Development Trends of Various Food Dryers in China

Dry food is a necessary measure to improve food storage and shelf life. The performance of the dryer directly affects the quality and value of dried food. In recent years, China has developed a variety of multi-functional, high-efficiency, low-energy, and adaptable dryers.

Vegetable drying equipment Zhejiang Huafeng Refrigeration Equipment Factory develops a series of steam vegetable drying and dewatering machines specially designed for the export of dehydrated vegetables. It uses high temperature and steam for heat exchange, so that normal temperature air becomes high temperature and dry hot air, reaching temperatures above 120°C. . Can be dehydrated on cabbage, spinach, garlic, onion, green bean sprouts, pumpkin slices, radish slices, potato chips, etc. The temperature can be arbitrarily controlled. The dehydrator fan adopts energy-saving high-efficiency low-noise fan. Condensed water is discharged automatically by the steam trap. The energy-saving effect is good. The material tank is made of high-quality imported stainless steel, and the product fully meets the food hygiene standards.

Changzhou No. 2 Drying Equipment Factory developed the third-generation DWT series dehydrated vegetable dryer, which can be used for drying and large-scale continuous production of vegetable materials such as roots, leaves, lumps, flakes and large granules, such as dried garlic. Slices, pumpkins, carrots, konjac, yams, bamboo shoots, horseradish, onions, apples, etc. This equipment has been used by hundreds of companies in Zhejiang, Shandong, and Fujian.

Heilongjiang Academy of Agricultural Machinery and Engineering Research Institute of Rural Equipment developed a successful hot air dehydration drying equipment, suitable for all kinds of vegetables, wild vegetables, edible fungi, tea and other dehydration drying. The washed, cut, and color-protected materials are sent to the dryer through the conveyor. The moisture in the high-temperature drying zone evaporates by 75% to 80%. The material moisture is reduced to about 3% in the process of relieving the flow. The low-temperature drying zone is dewatered to 5%-8%, and the material reaches the standard.

Superheated solvent steam fluidized bed dryer

Changzhou Yangtze River Drying Equipment Co., Ltd. and other research and development of RGB overheated solvent vapor closed-circuit circulating fluidized bed dryer, from the heater, condenser, coarse filter, fine filter, cyclone separator, bag secondary dust collector, solvent recovery Filters and other components. When the wet material that needs to be dried is pumped into the surface of the boiling carrier, a wet material film is formed, and the heat is carried by the hot air and the carrier. The water molecules are quickly evaporated and dried and then broken by the carrier to break into a powdery product output. The dryer is the first closed loop technology using solvent superheated steam as the heating medium in the fluidized bed of inert particles. It integrates drying and solvent recovery, and solves the problem of drying and solvent recovery of alcohol-soluble materials that are difficult to overcome in the contemporary drying technology field. Question. Can be widely used in food, fine chemicals, pharmaceuticals and other industries viscosity continuous drying of dry materials and organic solvent recovery, many users use to prove that high drying strength, economic and social benefits significantly.

Vacuum freeze-drying equipment

The microwave vacuum freeze-drying equipment developed by Nanjing Yatai Institute of Microwave Energy is applicable to dehydrated vegetables, royal jelly and ginseng, etc., and has been produced in volume. In the application process, the device has many advantages: heating the entire material in a radiation manner, heating evenly and without dead angle; the drying speed is 2-3 times faster than the conventional method, shortens the time for heating the material, improves the production efficiency, and can save Resources; drying temperature is low, controlled between -20 °C to room temperature. The dried material can well preserve the nutrients and functional components in the material, and is applicable to the heat-sensitive materials, health products, fruit and vegetable products, Chinese herbs, plasma products and other low-temperature drying products.

Shenyang Aerospace Xinyang Frozen Equipment Manufacturing Co., Ltd. develops and manufactures the LG-125 vacuum freeze-drying equipment, which has excellent performance and can make the moisture in food dry by direct sublimation under the conditions of slurry and vacuum, without liquid evaporation. It can preserve the original color, smell, taste and shape of foods to the maximum extent. The original nutrients and active substances are rarely destroyed, and the rehydration is rapid. There is no need to use preservatives again. After drying, the products are popular in international markets. Food vacuum lyophilizer Energy-saving food vacuum lyophilizer mainly consists of a quick-freezing warehouse for material freezing, a drying warehouse for sublimation and dehydration, and auxiliary systems such as refrigeration, vacuum, and heating. The core equipment is a drying warehouse. The structure is suitable for the requirements of sublimation and dehydration of frozen materials. The freeze-dried food produced is better than the freeze-dried foods produced by other methods. It is nutritious and its shape, color and taste are basically the same as fresh products. Rehydration is good. Can be widely used in fruits, meat, aquatic products, milk, soy milk, juice and instant noodles, soup, powder vegetables, granular vegetables and other food freeze-dried.

New type drum dryer

The CT series drum dryer developed by Changzhou Huayuan Drying Equipment Co., Ltd. is a kind of internal heating conduction rotary drying equipment. The heat of the wet material is transferred through the heat transfer method to reach the required moisture content. The heat is transferred from the inner wall of the cylinder. Passed to the outer wall of the tube, and then through the film, the thermal efficiency of up to 80% -90%, the material drying cycle is short, only 10-15 hours, continuous operation. Widely used in the drying of liquids, ribbons, pastes and viscous materials, such as meat products, dairy products, nutritional cereals, yeast, starch and so on.

HG roller scraper drying machine

HG Roller Scraper Dryer, developed by Jiangsu One-Step Drying Equipment Co., Ltd. The equipment allows liquid or slurry materials to form a thin film on the heated rolling surface of water vapor or other carrier. The drying process is completed when the drum rotates one circle. After the drying product is automatically scraped with a scraper, the surface of the drum is contacted with the wet material to form a film for drying. Closed loop belt dryer Jiangsu Changzhou Dajiang Drying Equipment Factory adopts American advanced technology and domestic high-quality raw materials to develop a new type of energy-saving equipment—DWT closed loop belt dryer. The product adopts multi-layer movable stainless steel mesh belts for stacking materials. The hot gas flow passes through the mesh belt and the above materials from bottom to top. The heat exchange is even and full, the speed is fast, and the evaporation intensity is high. It meets the GMP requirements and is suitable for good air permeability. The sheet-like, strip-shaped, granular, and cake-like pasty materials are dried, and are particularly suitable for drying materials that have a high moisture content and do not have a high drying temperature. There are also five-layer belt dryers in China that have the same effects and applicability as described above.

High-speed mixing granulator dryer

Jiangsu One-Step Drying Equipment Co., Ltd. develops and produces HLG high-speed mixing granulating dryer, which integrates rapid mixing, granulating and drying. The entire operation was carried out in the same sealed container. There was no dead angle, and the cleaning was complete and rapid. It complied with GMP regulations. The special feeding system can measure the dry powder and binder and send it to the granulation container. The special fluidized bed structure can reliably sieve powder, continuously discharge dry particles and return fine powder. The product has finished the history that the production of drying equipment in China can only be a single granulation or drying. Compared with the traditional process, the granulation process saves 25% of the binder, and the granulation time is 4-5 times faster. It only takes 7-10 minutes to dry. The time is greatly reduced and it can completely replace the original mixed granulation and fluidized bed drying equipment. It is suitable for wet granulation and drying of tablets, capsules, and granules for food, medicine and other industries.

Multifunctional coating dryer

The DLB60 multi-functional coating dryer developed by Jiangsu One-Step Drying Equipment Co., Ltd. is a multi-functional equipment integrating granulation, coating and drying. The use of a special structure of the drive plate generates a spiral hot air flow to drive the particles to form multi-dimensional movements. It has a large levitation force, good uniformity of coating, and can coat particles, powders, pills and tablets. The coating has a high drying quality. The drying time is short, and it operates in a closed state, reducing dust flying, stable performance and easy operation. The application confirmed that the product meets the requirements of the company's standards. The dryer is widely used in food, medicine, chemical industry and other industries for a variety of granulation coating drying.

Mobile grain dryer

Sichuan Agricultural Machinery Research and Design Institute successfully developed a multi-warehouse mobile circulation straw gas grain dryer, which uses crop straw gas as a heat source and has a low drying cost. The dry structure is a multi-bin combination, and each bin can be independently cycled and dried, which can effectively solve the problem of easy mildew and germination of grain in China's grain-producing areas.

Tea microwave killing dryer

The Nanjing Institute of Agricultural Mechanization has successfully developed and applied the microwave drying machine for tea production test. It uses microwave technology to replace the traditional heat conduction heating fixation and drying method. The fixation time is short and the heat is even, and it can ensure the natural stretch of the tea. Beautiful. The water content of the produced green tea is reduced, and the tea functional ingredients such as tea polyphenols, amino acids and vitamins increase. The color is greener, the aroma is more pleasant, and the quality of the tea is improved.

Wire Mesh Tray

Stainless steel is one of the most popular metal in modern manufacturing ,The wire mesh tray made of 304 Stainless Steel Wire Mesh with electrolytic polishing for the surface treatment. This Wire Mesh Basket normally used for food and beverage in the supermarket and shop.


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