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Azithromycin Vibrating Fluid Bed Dryer
2018 / 06 / 15
The flash dryer is used to mix and crush the bulk wet material and ensure that the particles do not stay too long in the high temperature zone of the drying chamber. Therefore, the stirring leaves and the bottom of the chamber and the wall of the chamber should have a reasonable clearance, and the rotational speed of the stirring should also be reasonably selected. There is a good seal between the agitator shaft and the bottom of the drying chamber. The classifier is a perforated ring, similar to an orifice flowmeter, but with an angle, the size and height of the hole diameter depends on the distribution of product particles. When the height is constant, the smaller the hole diameter, the finer the product particle size, the more the flash drying. The addition of a grading ring in the cylinder is one of the focuses of the third-generation product new technology development developed by Anhai Dano. It is very important to control the particle size of the product and greatly improves the product qualification rate. Rotary flash dryers are used to dry the moisture outside the material. The wet material is separated from the heated air stream through the drying air duct of the flash drying apparatus and drying takes place between seconds. Rotary flash dryers are not used in many industrial fields, including foods, chemicals, minerals, and polymers. The combination of materials is also common, including powders, lumps, granules, flakes, pastes, and gels. In the case of slurries, pastes, or viscous materials, backmixing of dry and wet materials is required. The flash dryer drying chamber is equipped with a grading ring and a swirling sheet, and the material fineness and the final moisture are adjustable. (For example, the final moisture of calcium carbonate can be adjusted to ≤0.1%) Compared with other drying methods, the specific gravity of the material can be effectively increased. In the drying chamber, the gas velocity is high in the circumferential direction and th
2018 / 06 / 15
The characteristics of the air dryer: (1) The drying speed is fast, the solid materials are dispersed and suspended in the air flow, and the gas-solid two phases have a large heat and mass transfer area. The hot gas inlet velocity is high (20-40m/s), the relative velocity between gas-solid two phases (especially the acceleration zone) is very large, and the average volumetric heat transfer coefficient ha is 3000-7000 W/(m3·K) which is better than other types of drying. The height of the air dryer is much smaller with the same production capacity. (2) The gas-solid co-current operation is in accordance with the basic law of material drying. The constant speed drying section provides very strong drying conditions, and the lower speed drying section and mild drying conditions can use high temperature gas as the drying medium. (3) The drying time is short. The material starts from entering the dryer and disengages from the gas-solid two phases. The whole drying process does not exceed one second. Airflow drying, also known as rapid drying or flash drying, is particularly suitable for heat-sensitive materials. dry. (4) In the air dryer, the solid material flows in a plug flow. The drying time experienced by each particle is approximately the same, and the moisture content of the dried product is uniform. (5) Simple structure, less equipment investment, small footprint, convenient operation, stable performance, and small maintenance.
The choice of spray dryer depends on the nature of the material
2018 / 06 / 14
Using this kind of dryer, to a certain extent, effectively prevent dust, but also improve the production environment, but because it will involve different materials, so in the actual selection process, we need to choose according to different materials, this is mainly It is their nature is not the same. Spray dryer selection: 1, Changzhou drying equipment manufacturers introduced higher sugar content of the material (if juice, Chinese herbal medicine or natural product extract) or material is not heat-resistant (heat-sensitive materials such as enzyme preparation live bacteria, etc.). Small spray dryers and YC-2000 laboratory small-scale low-temperature spray dryers (vacuum) can be quickly dried at relatively low inlet air temperatures. For example, the inlet temperature of the YC-1800 mini spray dryer can be set to 105°C. The high sugar content materials can get better particles. The sugar content of some materials may have a lower melting point, while the YC-2000 laboratory low-temperature spray dryer has a clever combination of the advantages of spray drying and vacuum drying. 2. The material solvent is an organic solvent or the material is easily oxidized or toxic. The organic solvent mini spray dryer adopts a safe nitrogen (or other inert gas) closed cycle method. The entire system is closed and the oxygen concentration is monitored online. Once the oxygen concentration in the system reaches 2%, the system will automatically stop The alarm is a small-scale, spray-dryer for laboratory organic solvents that is safe and easy to handle. The combined use of nitrogen-enclosed circulation and solvent recovery can be used to treat flammable and toxic solvents. 3, Changzhou drying equipment manufacturers introduce the need to get large particles of powder materials. Laboratory spray drying granulators can achieve better experimental results. YC-1000 spray granulator can be used as a separate spray dryer to obtain particles of about 5-30 microns, and can also achieve g
Summarize sludge drying experience
2018 / 06 / 13
Solving sludge is the main task of most processing plants at present. Many organizations are studying this aspect. You will find that many people are looking for unique technologies to solve this annoying problem. Through a few practices, there will be many experiences. Sludge drying experience: Changzhou dryer manufacturers will introduce more experience for each new project. Whether it is technology verification and equipment selection, and future work, several different sludge drying systems will be used. The steering device also has the opportunity to understand some of the designs. By summarizing the experience, the purpose is to determine the application of hygienic solar drying technology for urban sewage sludge. In the process, the biological behavior is based on the microbiological examination, enabling the assessment of the environmental pollution risk of dried sludge as a fertilizer. Studies have shown that the research model used is based on the selection of pathogenic microorganisms and parasite eggs that can be inactivated, validating this method of solar drying in a constant system and predicting the health quality of dried sludge products. As a result, it was found that solar sludge drying is an inefficient sanitation and cannot guarantee stable technology. In practice, this means that it does not provide enough sludge for agriculture. It is understood to be all for direct consumption. And produce forage crop cultivation. At the same time, other researchers' studies confirm that different climates in different seasons allow the destructive positive results of harmful microorganisms located this year. It is an indisputable fact that solar drying technology cannot be seen as effective for the sanitation and environmental safety of sludge. Changzhou dryer manufacturers introduce sludge drying to reduce its weight and volume, but is this true? It turned out that this is not. Dehydration is mainly to increase the dry matter content, reduce the possibility
High-efficiency and energy-saving hot-air drying equipment for fruits and vegetables
2018 / 06 / 11
Developed the international leading level of fruit and vegetable dehydration equipment - SD circulating multi-function dryer, is a complete set of equipment for a variety of fruit, vegetables, aquatic products, herbs and other agricultural products dehydration. SD circulation type multi-function dryer has been widely used in the main producing areas of dehydrated vegetables such as Liaoning, Guizhou, Inner Mongolia, Ningxia and Xinjiang. It has built a number of production lines, updated the production technology and equipment, and solved the chili vegetables and peanuts. , Dehydration production enterprises with high energy consumption and improve product quality issues. The main advantages of the SD circulation type multi-function dryer are: saving coal, saving electricity, saving labor, even drying, and good product quality. The unit energy consumption is 50% lower than the traditional dryer. China is a large country of fruit and vegetable production. Since the accession to the WTO, with the continuous deepening of trade globalization, the volume of international trade has grown continuously, especially for vegetables. Since 2002, the total export volume has been ranked first in the world. However, the fruits and vegetables exported by China are mainly raw or frozen. The main reason for being able to compete in international trade is mainly due to the low cost of raw materials and obvious price advantages, but the economic added value is far behind that of fruits and vegetables that have undergone deep processing. How to increase the added value of China's agricultural products Economic information needs to improve China's agricultural products to seize the opportunity to fully integrate with the international market, and actively and effectively optimize the product structure of agricultural products, vigorously develop the intensive processing of agricultural products, and further increase foreign exchange through exports. Among them, the development of
Drying equipment chemical selection
2018 / 06 / 11
Due to the different requirements for chemical products, the type of drying equipment is also different. At present, in chemical production, there are more than a dozen types of drying equipment that are used, and there are nearly 100 specifications. The commonly used types of dryers are: box type, tunnel type, belt type, air flow, spray, fluidized bed and vibrating fluidized bed, fluidized bed spray granulation, rotary, roller, vertical packed bed, vacuum rake, Vacuum double cone rotation, paddle type, microwave and far-infrared dry hunger, and the organic combination of the above two methods. Selection of Drying Equipment There are so many kinds of drying machines. How to choose it? A selection reference table is recommended here for reference. When selecting drying equipment, the following points should be noted. (1) Unless it has been proven in production, this type of dryer is suitable for the drying of the product. Otherwise, laboratory tests must be carried out and it is proved by tests that this kind of drying hunger is applicable. (2) When several dryers are applied at the same time, it is necessary to compare the equipment costs and operating costs, and choose the best one. (3) When a dryer can not meet the drying requirements, first of all think of a combination of drying methods, that is, combining two or three drying methods to complete the drying task. Such as air drying + fluidized bed drying; spray drying + fluidized bed drying (built-in) + fluidized bed drying + cooling (external); spray drying + belt drying; drum drying + fluidized bed drying; rotation rapid drying + Air drying and so on. Multi-stage drying can reduce the outlet temperature of the dryer and can save energy. two. Environmental protection issues During the drying process, the discharged gas or liquid may sometimes cause environmental pollution, and measures can be taken to eliminate the pollution. (1) Entrainment of dust in gas emitted by dust pollution may exceed environmental prote
How to distinguish drying equipment from different heating methods
2018 / 06 / 11
With the development of science and technology and the continuous enrichment of market demand, more and more drying equipment has appeared in everyone's field of vision. These kinds of drying equipment make it difficult for consumers to choose. Today, the author will help with the difference in heating methods. You distinguish drying equipment. According to different heating methods, we can divide the drying equipment into conduction type, convection type, dielectric type, and radiation type. 1. Conductive dryer: also known as indirect dryer, the device uses conduction, the heat from the heat source through the metal wall to transfer the heat to the wet material, the steam produced by vacuum suction, low temperature condenser surface condensation method Remove; 2. Convection dryer: also known as direct dryer, the device uses direct contact with hot materials and wet materials, and then convection heat transfer, and remove the steam generated; 3. Dielectric Dryer: The use of high-frequency electric field, so that the thermal effect of the inside of the wet material, so as to achieve the purpose of drying; 4. Radiation dryer: use a variety of radiators emit a certain wavelength range of electromagnetic waves, the surface of the wet material After selective absorption, it is converted into heat to achieve a drying effect.
What are the problems facing the development of double cone rotary vacuum dryer in China?
2018 / 06 / 11
In the pharmaceutical industry, drying equipment is one of the essential equipment. According to the difference of dry matter, drying equipment can be divided into two major categories: electric heat blast drying equipment and vacuum drying equipment. Among them, vacuum drying equipment is designed for drying heat-sensitive, easily decomposable and easily oxidized substances. It is widely used in biochemical, chemical and pharmaceutical, medical and health, agricultural research, environmental protection and other research applications for powder drying and baking. And all kinds of glass containers for disinfection and sterilization. It is particularly suitable for the rapid and efficient drying of dry heat-sensitive, easily decomposable, easily oxidizable substances and complex ingredients. There are various types of vacuum drying equipment. Today, the author briefly introduces the double cone rotary vacuum dryer. The double cone rotary vacuum dryer system is mainly composed of a double cone rotary vacuum dryer, a condenser, a dust collector, a vacuum suction system, a heating system, a cooling system, and an electronic control system. This type of dryer is a double-cone rotary tank. When the tank is in a vacuum state, steam or hot water is introduced into the jacket to heat it. The heat is brought into contact with the wet material through the inner wall of the tank. The wet material vaporizes after absorbing heat. It is pumped by a vacuum pump through a vacuum exhaust pipe. Because the inside of the tank is in a vacuum state, and the rotation of the tank causes the material to be continuously turned up and down inside and out, the speed of drying the material is accelerated, the drying efficiency is improved, and the purpose of uniform drying is achieved. From a functional point of view, the double-cone rotary vacuum dryer is a drying device that combines mixing and vacuum drying. It is applied as a classic device with simple, convenient, and doubl
What are the problems facing the development of double cone rotary vacuum dryer in China?
2018 / 06 / 11
In the pharmaceutical industry, drying equipment is one of the essential equipment. According to the difference of dry matter, drying equipment can be divided into two major categories: electric heat blast drying equipment and vacuum drying equipment. Among them, vacuum drying equipment is designed for drying heat-sensitive, easily decomposable and easily oxidized substances. It is widely used in biochemical, chemical and pharmaceutical, medical and health, agricultural research, environmental protection and other research applications for powder drying and baking. And all kinds of glass containers for disinfection and sterilization. It is particularly suitable for the rapid and efficient drying of dry heat-sensitive, easily decomposable, easily oxidizable substances and complex ingredients. There are various types of vacuum drying equipment. Today, the author briefly introduces the double cone rotary vacuum dryer. The double cone rotary vacuum dryer system is mainly composed of a double cone rotary vacuum dryer, a condenser, a dust collector, a vacuum suction system, a heating system, a cooling system, and an electronic control system. This type of dryer is a double-cone rotary tank. When the tank is in a vacuum state, steam or hot water is introduced into the jacket to heat it. The heat is brought into contact with the wet material through the inner wall of the tank. The wet material vaporizes after absorbing heat. It is pumped by a vacuum pump through a vacuum exhaust pipe. Because the inside of the tank is in a vacuum state, and the rotation of the tank causes the material to be continuously turned up and down inside and out, the speed of drying the material is accelerated, the drying efficiency is improved, and the purpose of uniform drying is achieved. From a functional point of view, the double-cone rotary vacuum dryer is a drying device that combines mixing and vacuum drying. It is applied as a classic device with simple, convenient, and doubl
PLG series disc continuous dryer
2018 / 06 / 10
Product Overview Pan continuous dryer is a highly efficient conduction type continuous drying equipment. Its unique structure and working principle determine that it has the characteristics of high thermal efficiency, low energy consumption, small footprint, simple configuration, convenient operation and control, and good operating environment. It is widely used in chemical, pharmaceutical, pesticide, food, Drying operations in feeds, agricultural and sideline products processing and other industries. It is well received in practice in various industries. Now it manufactures three types of normal pressure, airtight and vacuum. 1200, 1500, 2200, 3000 four specifications, S (carbon steel), B (part of the contact material is evenly stainless steel), C (on the basis of B, increase the steam pipeline, the main shaft and bracket is stainless steel, cylinder body and top cover Lined with stainless steel). Three kinds of materials, dry area 4-180M2, a total of hundreds of models of the series of products, and can provide matching seed player auxiliary equipment, to meet the user's need for drying of various materials. Equipment Features Wet material is continuously added to the drying tray on the first layer above the dryer. The arm with rake leaves is used for rotary motion so that the loquat leaves are continuously turned. The material travels across the surface of the drying pan along an exponential spiral. The material on the small drying pan is transferred to the outer edge and falls on the outer edge of the outer edge of the large drying pan below. In the drying tower, the material moves inwards and falls from the middle. The nozzle falls into the next layer of small dry pan. The size of the drying trays alternates up and down, allowing the material to flow continuously through the dryer. The heating medium is introduced into the hollow drying tray. The heating medium is in the form of saturated steam, hot water, and heat-conducting oil. The heating medium enters from
The basic principle of drying equipment selection
2018 / 06 / 10
Each type of drying device has its own specific application range, and each type of material can find several types of drying devices that can meet the basic requirements, but the most suitable one is only one type. If improperly selected, users must not only bear unnecessary one-time high purchase costs, but also pay a heavy price during the entire use period, such as low efficiency, high energy consumption, high operating costs, poor product quality, and even the fundamental Not working properly and so on. The following is the general principle of drying equipment selection. It is difficult to say which one or several items are the most important ones. The ideal selection must be focused according to one's own conditions, and sometimes the trade-off is necessary. 1. Applicability-------The drying device must first be able to be applied to specific materials and meet the basic requirements for material drying, including the ability to handle the material well (feed, delivery, fluidization, dispersion, transfer Heat, discharge, etc., and can meet the basic requirements of the amount of processing, dehydration, product quality and other aspects. 2. High drying rate-Only considering the drying rate, the convection drying materials are highly dispersed in the hot air, the critical moisture content is low, the drying speed is fast, and the same is convective drying, and the drying method has different critical moisture content. The drying rate is also different. 3. Low energy consumption ------- Different drying methods have different energy consumption indicators. In general, the thermal efficiency of conduction drying can theoretically reach 100%, and convection drying can only be about 70%. 4. Save investment ----- Complete the same function of the drying device, sometimes the cost difference between them, should choose the lower one. 5. Low operating costs - equipment depreciation, energy consumption, labor costs, maintenance costs, spare parts costs ... and other o
How to choose the right food drying equipment
2018 / 06 / 09
The company drew on advanced experience at home and abroad, optimized planning and production, continuous innovation, and produced various types of food drying equipment. The company pays attention to detail, pays attention to the specification, places high demands and strict supervision on the production of goods, enters the factory from the material to the product, strictly complies with the world's production norms and market requirements, and makes the products widely sold throughout the country, and is highly praised by users. The company won an outstanding reputation. Food drying equipment is selected to treat different types of food, and the powdered, lumpy, and granular materials are sorted and treated. In the planning process, special attention should be paid to the sensitivity of different foods to the drying temperature, and to the drying process. The temperature in the strict control to ensure the quality of the dry goods to obtain the greatest economic benefits. The selection of drying equipment needs to be based on the user's own conditions and material elements, so that the most suitable models for their own materials can be found in the production plant. The following are guidelines for the selection of food drying equipment: 1. Drying equipment must first be able to be applied to specific materials and meet the basic application requirements of material drying, and can meet the basic requirements of the amount of processing, dehydration, and product quality. It is best to dry the material before the selection. 2. Priority shall be given to the selection of drying equipment with simple construction, adequate supply of spare parts, high reliability, long life, and low operating costs, ie equipment depreciation, energy consumption, labor costs, maintenance fees, spare parts costs, and other operating costs that are as low as possible. The special dryers for foods such as orange peel, glutinous rice flour, red dates, and soy protein developed by our com
Spray drying tower favored by the market Pharmaceutical companies should increase innovation
2018 / 06 / 09
In recent years, drying technology has attracted much attention in the food and other industries. The quality of the drying equipment affects the shelf life and safety of the item. According to relevant statistics, there are currently as many as 500 or 600 drying technologies involved in various drying research reports, and there are more than 100 kinds of practical applications. In China, there are about 400 manufacturers of drying equipment, and companies Still increasing. Among them, the spray drying tower is a drying equipment for biological pesticides, medicines, food microorganisms. Spray drying towers are widely used in the liquid process forming and drying industries and are suitable for the production of powdery, granular, or blocky solid products from solutions, emulsions, suspensions, and malleable liquid raw materials. Therefore, spray drying is a good process when the particle size distribution, residual moisture content, bulk density, and particle shape of the finished product must meet the corresponding criteria. It is understood that the spray drying tower is compact in design and does not require ancillary equipment. For sticky materials, there is a nozzle cleaner (through pin). When the nozzle is blocked, it will be automatically cleared and the frequency of the pin can be adjusted automatically. The active material remains its active ingredient after drying. Most of the drying failures of the spray drying tower are due to the adjustment of the air volume or the air pressure of the intake/exhaust fan. Generally, the exhaust air volume is low and the air pressure is low. As a result, the negative pressure of the drying tower is too low. Excessive air temperature results in increased water content of the product. Reasonably adjusting the intake and exhaust fans can effectively improve the drying efficiency and reduce the production energy consumption. Common spray drying equipment receiving devices mainly include bag filter and cyclone separator. The
Changzhou Roller Scraper Dryer Features
2018 / 06 / 07
Roller Scraper Dryer Features: 1. High thermal efficiency. Because the heat transfer mechanism of the drum dryer is heat conduction, the heat transfer direction is consistent throughout the entire operating cycle. Except for cover heat dissipation and heat radiation loss, the rest of the heat is used for evaporation of the moisture content of the cartridge film, and the thermal efficiency can reach 80%. 90%. 2, operating flexibility, wide applicability. Adjust the drying factors of the drum dryer. Such as the feed concentration, the thickness of the coating material film, the temperature of the heating medium, the rotation speed of the drum, etc., can change the drying efficiency of the drum dryer, and many factors are not implicated in each other. This brings great convenience to the drum drying operation, so that it can adapt to the drying of a variety of materials and different production requirements. 3, drying time is short. The material drying cycle is generally only 10-15 seconds, suitable for heat-sensitive materials. If the drum dryer is set in a vacuum, it can be operated under reduced pressure. 4, drying rate. Because the coating on the wall of the tube is very thin, generally 0.3-1.5mm, and the heat transfer, mass transfer direction is the same.
Domestic dryer equipment market status and analysis --- fluidized bed dryer
2018 / 06 / 06
The current needs of the United Nations, conventional drying equipment in the domestic market, and drying equipment in major international markets are all basically manufactured in China. This shows that the history of importing drying equipment in China has ended. However, there are still some problems and difficulties. According to the prediction of China General Machinery Association for Mechanical Drying Equipment, in the next few years, China's demand, the chemical industry will be about 3000 (sets) of drying equipment; the annual demand for pharmaceutical drying equipment will reach 3,000 (sets ) About agriculture, forestry, food, light industry and other industries, such as drying equipment, the annual demand is expected to reach around 5,000 (sets). It is expected that during the [10th Five-Year Plan" period, China`s drying equipment will have a market share of 90% in the domestic market. At present, there are two approaches to regional problems and technical innovation capabilities where performance is problematic. The majority of the enterprises in the drying equipment industry in China's drying equipment industry have gradually generated early-stage enterprises, relatively concentrated geographical locations, and serious flaws in the personnel structure. So far, the enterprises are mainly distributed in Jiangsu, Zhejiang, Shanghai, Liaoning, and black. These enterprises account for almost 50% of the total number of the entire industry. In sharp contrast to this, some regions do not have dry equipment manufacturing in China. Business. In highly competitive industries, some companies focus on immediate results, do not need any systematic development, improve the overall quality, and progress slowly, which seriously hampers the normal development of the industry. Technology development is not strong Since the reform and opening up, especially in recent years, China's economic growth potential has been effectively released, and the supply and demand of the sh
PPC plastic sheet drying vibration fluidized bed dryer
2018 / 06 / 06
First, PPC plastic overview: English full name Poly propylene carbonate, English abbreviation PPC. Also known as polymethyl ethylene carbonate, it is a completely degradable environment-friendly plastic synthesized from carbon dioxide and propylene oxide. PPC plastic drying vibration vibration fluidized bed working principle: material into the Material inlet into the machine, under the action of vibration force, the material vibrating fluidized bed thrown along the horizontal plane, continuous forward movement, hot air upward through the vibrating fluidized bed heat exchange with the wet material, the wet air after the dust by the cyclone separator Exhaust 1:3 discharge. Dry material is discharged from the discharge inlet. Third, the vibration vibration fluidized bed Overview: ZLG0.6 × 6 type linear vibration vibration fluidized bed is mainly used in chemical, pharmaceutical, food and other industries of powdery granular materials drying, cooling, humidification and other operations. Due to the use of vibration motor drive, the operation is stable, the noise is small, and the service life is long and the maintenance is convenient. Because the bed temperature is evenly distributed, there is no local overheating phenomenon, the heat transfer efficiency is high, the fluidization is uniform, and there is no heat exchange dead angle on the basis of 30% energy saving compared with the general drying device. The thickness of the material layer, the movement speed inside the machine, and the vibration amplitude can be adjusted within the design range of the equipment and the width of the surface can be used. Fourth, ZLG6*0.6 vibration vibration fluidized bed parameters: 1, bed area: 3.6m2 2, the inlet temperature: 70-140 °C 3, the air temperature: 40-70 °C 4, evaporation capacity: 100- 130kg/h 5. Vibration motor model: ZDS25-6 Power: 1.5×2 6. Dimensions and weight: A (long) 6000mm B (bed width) 600mm C (bottom width) 1700mm D (machine height) 1000mm E (upper Cover heigh
Characteristics and Application of Pneumatic Fluidized Bed Drying Equipment
2018 / 06 / 06
Pneumatic spraying of a vibrating fluidized bed drying apparatus is a device that uses a high-speed air stream to bring the material into the grinding chamber and high pressure air is activated through the screw feeder to inject at high speed through a special ultrasonic nozzle. Therefore, the material grinding is accelerating, affecting and repeatedly colliding with the abrasive material that is combined with ultrasonic injection and will converge the upstream classifying chamber. The centrifugal force generated by the high-speed rotation of the grading rotor is grading the grains together by the centrifugal force of the pneumatic adhesion behavior. When the centrifugal force on the grain is GR eaten than centrifugal force, the range of graduates above the coarse grains will be swirled back into the grinding cavity further MIL Ling. Thinner grains will be blasted below the grading range cyclone separator and collector, while the purified air will vent from the draft. Features: Energy Efficiency: Saves 30%-40% equivalents. Endurance: The application of materials with the impact of the milling effect only because of the impact and collisi, rather than the collision of the wall with the resulting grains. Wide range of classification: D97 = 2-15μm. The internal structure is compact and forms a closed, milling, and drying device. Accessibility Maimtenance, imported inverters will automatically maticauy control the entire review process. Inert gases can be used for Fromm's Meble, milling media for explosive materials. Applications: Vibrating fluidized bed drying equipment is widely used in ultra-fine grinding of pnonm etallic ore, talc, barite, kaolin, quartz, graphite flame retardant materials, high-grade grinding media, chemical, smelting, pharmaceutical, traditional Chinese medicine , Agricultural chemicals and ceramics, and other dry powders are highly adhesives and superfines.
Pneumatic spraying of a vibrating fluidized bed drying
2018 / 06 / 06
Pneumatic spraying of a vibrating fluidized bed drying apparatus is a device that uses a high-speed air stream to bring the material into the grinding chamber and high pressure air is activated through the screw feeder to inject at high speed through a special ultrasonic nozzle. Therefore, the material grinding is accelerating, affecting and repeatedly colliding with the abrasive material that is combined with ultrasonic injection and will converge the upstream classifying chamber. The centrifugal force generated by the high-speed rotation of the grading rotor is grading the grains together by the centrifugal force of the pneumatic adhesion behavior. When the centrifugal force on the grain is GR eaten than centrifugal force, the range of graduates above the coarse grains will be swirled back into the grinding cavity further MIL Ling. Thinner grains will be blasted below the grading range cyclone separator and collector, while the purified air will vent from the draft. Features: Energy Efficiency: Saves 30%-40% equivalents. Endurance: The application of materials with the impact of the milling effect only because of the impact and collisi, rather than the collision of the wall with the resulting grains. Wide range of classification: D97 = 2-15μm. The internal structure is compact and forms a closed, milling, and drying device. Accessibility Maimtenance, imported inverters will automatically maticauy control the entire review process. Inert gases can be used for Fromm's Meble, milling media for explosive materials. Applications: Vibrating fluidized bed drying equipment is widely used in ultra-fine grinding of pnonm etallic ore, talc, barite, kaolin, quartz, graphite flame retardant materials, high-grade grinding media, chemical, smelting, pharmaceutical, traditional Chinese medicine , Agricultural chemicals and ceramics, and other dry powders are highly adhesives and superfines.
Problems in Vacuum Dryer Equipment Industry in China
2018 / 06 / 05
At present, the conventional drying equipment needed in the domestic market, and the main drying equipment needed in the international market, can basically be manufactured by ourselves. This shows that the history of drying equipment imported from China is already over. However, there are still some problems and hidden concerns. Existing problems According to the forecast of China General Machinery Association for Drying Equipment, in the next few years, the demand for drying equipment in China's chemical industry will reach 3,000 sets (sets); the annual demand for pharmaceutical drying equipment will reach 3,000 sets (sets); agriculture and forestry The annual demand for drying equipment used in industries such as grain, light industry and light industry is expected to reach around 5,000 (sets). At present, the domestic market share of drying equipment in China has reached more than 80%. It is expected that during the "10th Five-Year Plan" period, the domestic market share of drying equipment will reach over 90%. At present, the existing problems are highlighted by two areas: regional concentration and weak technological innovation. Concentrated distribution of enterprises Most of the production enterprises of the drying equipment industry in China are gradually derived from the early enterprises in the industry. The geographical location is relatively concentrated, and the personnel structure has serious defects. So far, enterprises are mainly distributed in Jiangsu, Zhejiang, Shanghai, Liaoning, and Heilin. Enterprises in these regions account for almost 50% of the total number of industries. In stark contrast to this, at present there are still some areas in China Drying equipment manufacturers. Intense competition in the industry, some companies focus on immediate interests, the lack of system development ideas, the overall quality of the slow increase, seriously hampered the normal development of the industry. After the reform and opening up, especially in re
Sludge treatment capacity of special textile dyeing sludge dryers 2 to 3 tons/H
2018 / 06 / 01
Textile printing and dyeing sludge dryer - hollow blade dryer, hollow shaft densely arranged with wedge-shaped hollow blades, heat medium flows through the hollow shaft through the blade. There is a large area of heat transfer within the effective volume of the unit, and the heat medium can be water vapor, hot water, or thermal oil. The heat transfer medium passes through the rotary joint and flows through the jacket of the housing and the hollow agitation shaft. The hollow agitation shaft has different internal structures according to the type of the heat medium to ensure better heat transfer effect. When steam is applied to the paddles and jackets, heating is performed at the same time as the upper part of the discharge outlet is also passed through the heated dry air to further dry, which greatly increases the drying strength of the equipment. The evaporated water is taken out of the drying equipment by the exhaust gas, and the moist air is discharged outside by the induced draft fan. Textile printing and dyeing sludge dryer - hollow blade dryer is suitable for industrial sludge drying, electroplating sludge drying, chemical sludge drying, paper sludge drying textile printing and dyeing sludge dryer Features: 1) low energy consumption of blade dryer : Due to indirect heating, there is not a lot of carrying air to carry away heat and the thermal efficiency is high. 2) The effective volume of the paddle dryer has a large heat transfer surface, which shortens the processing time and the size of the equipment becomes smaller. It has greatly reduced the construction area and the construction space. 3) Wide range of processing materials: Different media can be used to handle both heat-sensitive materials and high-temperature materials. Commonly used media are: water vapor, thermal oil, hot water, cooling water (cooling) and so on. Both continuous and intermittent operation can be applied in many fields. 4) Small environmental pollution: The amount of
Sulfate dryer, sulfate disc dryer
2018 / 05 / 31
Sulfate disc dryer is a highly efficient conduction type continuous drying equipment. Its unique structure and working principle determine that it has the characteristics of high thermal efficiency, low energy consumption, small footprint, simple configuration, convenient operation and control, and good operating environment. It is widely used in chemical, pharmaceutical, pesticide, food, feed, and agriculture. Drying operations in industries such as by-product processing. It is well received in practice in various industries. Now it manufactures three types of normal pressure, airtight and vacuum, four types of 1200, 1500, 2200, and 3000, A (carbon steel), B (smoothing of contact materials with stainless steel), and C (adds steam pipe on the basis of B). The road, spindle and bracket are stainless steel, and the cylinder and cover are lined with stainless steel). Three kinds of materials, drying area 4 ~ 180m 2, a total of hundreds of models of the series of products, and can provide supporting auxiliary equipment, to meet the user's need for drying of various materials.
The classification of mixing equipment depends on the mix of materials
2018 / 05 / 31
In industrial process engineering, mixing is a unit operation that involves heterogeneous operations in order to make more physical systems even. Common examples include pumping the hydration water temperature in the pool and stirring the pancake batter to eliminate the lump (solution). The mixture is allowed to heat and/or mass produce steam, or stages, between one or more components. Modern industrial processing almost always involves some form of mixing. Some chemical reactors are also mixers. With suitable equipment, it is possible to mix solids, liquids or gases into another solid, liquid or gas. The type used in the mixing operation and equipment depends on the mixing state of the material (liquid, solid, or solid) and the compatibility of the material being processed. In this context, the mixing method may be equivalent to the stirring, kneading process or. Changzhou Zhenxing Drying Equipment Co., Ltd. addresses this issue and gives you the following classification: Liquid Mixing Liquid One of the frequently occurring operations of mixed liquids in process engineering. The nature of the liquid (S) is determined by the mixing used in the mixing equipment; the single-phase mixing often involves low-shear, high-flow mixers that make the mixing of the liquid phase phagocytic, whereas the high-shear mixer is usually used to create a droplet at low flow Laminar, turbulent or transitional flow patterns depend on the flow of Reynolds numbers. Turbulent or transitional mixing is often performed on turbines or impellers; laminar mixing is carried out with spiral belts or anchor stirrers. Single-phase mixing Liquids, miscible or at least soluble in each other often occur in process engineering (and daily life). A daily example is milk or cream tea or coffee, plus. Since liquids are aqueous, they dissolve easily in another. The increase in momentum of the liquid is sometimes sufficient to cause sufficient turbulence to mix the two, since the viscosity of the two liquids
Analysis of the advantages of professional drying equipment
2018 / 05 / 31
Drying equipment is a powerful tool designed to help you solve unique drying challenges. We have developed industry-leading products for dry hardwood flooring, removing moisture from interior walls and increasing the drying rate of drying equipment. Drying equipment offers many benefits, including: Predictable and repeatable results. Drying equipment can predict the effect of drying. Dry temperature-sensitive products, since all liquids are depressurized at lower temperatures, drying equipment can evaporate liquids at very low temperatures. Safe dry products, low speed, and drying equipment work in just a few revolutions per minute, making the Rota Cone Dryer ideal for delicate and fragile solids such as crystals, macromolecules or agglomerated solids. A more complete discharge, unlike a stirrer, has little surface area for the Rota Cone Dryer and no mixer traps. The simple, unobstructed 45 degree cone allows all products to drain freely. Low cross-contamination, with only one moving part, tumble drying equipment is an inherently simple and concise design that increases the productivity of drying equipment and reduces cross-contamination. Easy to clean, simple interior design with a spray bar for ideal cleaning results. In many cases, standard nozzles can be used inside the drying equipment for washing. Easy to check the interior design, all surfaces of the vacuum drying equipment can be inspected and tested from a convenient location. A single enclosed environment, active pharmaceutical ingredients, drugs, and toxic chemicals can be easily separated in vacuum drying equipment. The loading and unloading connections can be automated, sealed, and purged to protect workers. The closed system also ensures that the largest collection of solvents is achieved, protecting the operator and the environment. Vacuum drying equipment is ideal, to avoid chemical oxidation, by adding inert gas purge, an oxygen-free environment can be maintained.
Vacuum paddle dryer to implement the development strategy of high efficiency and green drying
2018 / 05 / 30
Nowadays, the vacuum paddle dryer must implement a high-efficiency and green-drying development strategy. The first step is to take the resource-saving development path, change the single rough drying to a combination, intelligent drying, and be able to inject inert gas into the interior, especially some components. Complex items can also be quickly dried. The vacuum paddle dryer removes the moisture in the container and is specially designed for drying heat-sensitive, easily decomposable and easily oxidized materials. It has dehydration drying equipment for heat-sensitive agricultural and sideline products, health products, foods, herbs, fruits and vegetables, and chemical raw materials. Used for low temperature concentration of chemical products.
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