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Development direction of various food dryer equipment

Food drying is a necessary measure to improve food storage and quality. The quality of the dryer directly affects the quality and value of the finished product. In recent years, China has developed a variety of dryers with multiple functions, high efficiency, low energy consumption and strong adaptability. Vegetable drying equipment uses high temperature and steam for heat exchange, so that normal temperature air becomes high temperature dry hot air, reaching a temperature above 120 ° C. It can heat and dehydrate cabbage, spinach, garlic, onion, mung bean sprouts, pumpkin slices, radish slices, potato chips, etc. The temperature can be adjusted at will. This dehydrator fan adopts energy-saving high-efficiency and low-noise fan. The condensed water is automatically discharged by the trap, which has good energy-saving effect. Its material tanks are all made of high-quality imported stainless steel, and the products fully comply with food hygiene standards. Superheated solvent vapor fluidized bed dryer is composed of heater, condenser, coarse filter, fine filter, cyclone separator, bag secondary dust collector, solvent recovery filter and other components.

When the wet material that needs to be dried is pumped into the surface of the boiling carrier, it is coated with a wet material film, which is heated by the hot air and the carrier, and the water molecules are quickly evaporated. After drying, the carrier is crushed and crushed into a powdery product for output. This dryer is a domestic closed-loop technology that uses solvent superheated steam as a heating medium in an inert particle fluidized bed. It integrates drying and solvent recovery into one, and solves the problem of alcohol-soluble material drying and solvent recovery that are difficult to overcome in the contemporary drying technology field. Topic.

Can be widely used in food, fine chemicals, pharmaceuticals and other industries for the continuous drying of viscosity-sensitive materials and the recovery of organic solvents. Many users have proved that the drying strength is high, and economic and social benefits are significant. The vacuum freeze-drying equipment is suitable for dehydrated vegetables, royal jelly, and ginseng, and has significant effects, and has been produced in batches. In the application process, the device has a variety of advantages: the entire material is heated by radiation, uniform heating, no dead angle; drying speed is 2 to 3 times faster than the conventional method, shortening the material heating time, improving production efficiency, and saving Resources; low drying temperature, controlled between -20 ° C and normal temperature. The dried material can well preserve the nutritional and functional components of the material, and is applicable to low-temperature dried products such as heat-sensitive materials, health products, fruit and vegetable products, Chinese herbal medicine, and plasma products. Vacuum freeze-drying equipment has excellent performance. It can make the water in food directly sublimate and dry under solidification and vacuum conditions without liquid evaporation. It can greatly preserve the original color, aroma, taste and shape of the food, the original nutritional ingredients and active substances are rarely damaged, and the water is rehydrated quickly without the need for preservatives. The dried products are popular in the international market. Energy-saving food vacuum freeze-drying machine Energy-saving food vacuum freeze-drying machine mainly includes quick-freezing warehouses for freezing materials, sublimation dehydration drying bins, and auxiliary systems such as refrigeration, vacuum, and heating. The core equipment is a drying silo. The structure is suitable for the sublimation and dehydration of frozen materials. The freeze-dried food produced is superior to freeze-dried food produced by other methods. It is nutritious, and its shape, color and taste are basically the same as fresh products. , Good rehydration. Can be widely used in fruits, meat, aquatic products, milk, soy milk, fruit juice and instant noodles, soups, powder vegetables, granular vegetables and other food freeze-dried.

The new series of tumble dryers is a kind of internal heating conduction type rotary drying equipment. The heat transferred by the wet material outside the roller in a thermally conductive manner reaches the required moisture content. The heat is transferred from the inner wall of the drum to the outer wall of the drum. After passing through the material film, the thermal efficiency is as high as 80% -90%, the material drying cycle is short, only 10-15 hours, and it can be operated continuously. It is widely used in the drying of liquid, ribbon, paste and viscous materials, such as meat products, dairy products, nutrition cereals, yeast, starch, etc. Drum scraper dryer Drum scraper dryer. This equipment allows liquid or mud-like materials to form a film on rolling surfaces heated by water vapor or other carriers. Drying can be completed during one revolution of the drum. After the dried product is scraped off automatically with a scraper, the surface of the drum contacts the wet material to form a film for drying. Closed loop belt dryer Closed loop belt dryer. This product uses multi-layer mobile stainless steel mesh belts to stack materials. The hot air flows through the mesh belt and the materials from bottom to top. The heat exchange is sufficient and sufficient, the speed is fast, and the evaporation strength is high. It meets GMP requirements and is suitable for good air permeability. Drying of flakes, strips, granules, filter cakes and other paste-like materials, especially suitable for drying materials with high moisture content and high drying temperature. A 5-layer belt dryer has also been developed in China, which has the same effects and applicability as described above. High speed mixing granulation dryer Jiangsu One Step Drying Equipment Co., Ltd. has developed and produced HLG high speed mixing granulation dryer, which integrates rapid mixing granulation and drying. The whole operation is carried out in the same sealed container, no dead corners, thorough and rapid cleaning, in compliance with GMP specifications. The special feeding system can measure the dry powder and the binder into the granulating container, and the special fluidized bed structure can reliably screen the powder, continuously discharge the dry particles, and return the fine powder. This product ends the history that our country's production drying equipment can only be single granulated or dried. Compared with the traditional process, the granulation process saves 25% of the binder, the granulation time is 4-5 times faster, and only 7-10 minutes. Drying The time is greatly shortened, which can completely replace the original mixed granulation and fluidized bed drying equipment. Suitable for wet granulation and drying of tablets, capsules and granules in food and pharmaceutical industries.

The multi-functional coating dryer is a multi-functional device integrating granulation, coating and drying. Adopting a special structure of the driving disk, the spiral hot air flow generates particles to form a multi-dimensional movement. It has the characteristics of large suspension force, good uniformity of coating, coating on granules, powders, pills and tablets, and high drying quality. Short drying time, running in a closed state, reducing dust flying, stable performance, easy operation, and proven by application, the product meets the requirements of enterprise standards. This dryer is widely used in food, medicine, chemical industry and other industries for granulation coating drying. The mobile grain dryer uses crop straw gas as a heat source, and the drying cost is low. The dry structure is a combination of multiple bins, and each bin can be circulated and dried independently, which can effectively solve the problem of easy mold and germination of grain in our domestic grain area. Microwave technology is used to replace the traditional heat-conducting heating and greening and drying methods of the microwave drying machine for tea. The greening time is short and the heat is evenly distributed.

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