heat pump dryer drying equipment commercial dryer for meat products casings tobacco leaves leather

The high-temperature heat pump drying unit mainly consists of four parts: fin evaporator (outdoor unit), compressor, fin condenser (internal unit) and expansion valve. By allowing the working medium to continuously complete evaporation (absorbing heat in the outdoor environment ) → compression → condensation (release heat in the indoor drying room) → throttling → re-evaporation thermal cycle process, thereby transferring the heat in the external low-temperature environment to the drying room, and the refrigerant flows through the system under the action of the compressor Internal circulation flow.

It completes the gas pressure and temperature rise process in the compressor (the temperature is as high as 100°C). It enters the indoor machine and releases high-temperature heat to heat the air in the drying room. At the same time, it is cooled and converted into a liquid state. When it runs to the outdoor machine Afterwards, the liquid quickly absorbs heat and evaporates and is converted into a gas again. At the same time, the temperature can drop to -20℃~-30℃. At this time, the air around the heat absorber will continuously transfer heat to the refrigerant. When the high-temperature heat pump drying unit is working, like ordinary air conditioners and heat pump units, it absorbs the energy in the low-temperature environmental medium in the evaporator QA: It consumes part of the energy itself, that is, the compressor power consumption QB: Through the working fluid circulation system, The condenser releases heat QC, QC=QA+QB, so the efficiency of the high-temperature heat pump drying unit is (QB+QC)/QB, and the heating efficiency of other heating equipment is less than 1, so the high-temperature heat pump drying unit heats The efficiency is much greater than that of other heating equipment. It can be seen that using a high-temperature heat pump drying unit as a drying device can save energy, while also reducing the emission of CO2 and other pollutants, achieving energy saving and emission reduction effects.

The material drying process is a huge energy-consuming process. According to statistics, in most developed countries, the energy consumed for drying accounts for 7%-15% of the country's total energy consumption, while the thermal efficiency is only 25%-50% , and most drying processes, especially for heat-sensitive materials (such as food and biological materials), will have an impact on their color, nutrition, flavor and texture. Heat pump drying technology has the advantages of low energy consumption, low environmental pollution, high drying quality, and wide application range. Its excellent energy-saving effect has been proven by various domestic and foreign experimental research studies.

1. It can realize low-temperature air closed cycle drying and the material drying quality is good.

The high-temperature heat pump drying unit is suitable for drying bedding in hotels, dehydrating seafood, vegetables, AD black fungus, melon seeds, peanuts, fruits and vegetables, meat products, casings, tobacco leaves, leather, mushrooms, wolfberries, dried fruits, mosquito coils, tribute Incense, cloth, clothing, grains, noodles, fertilizers, medicines, paper products, wood, seeds, sludge, gypsum, hardware products, metallurgical products, mining by-products, chemical products, flue gas desulfurization gypsum, clay, pulverized coal, coal Drying of mud, lignite, etc. In terms of industrial hot water, it can also meet the needs of constant temperature of electroplating solution in electroplating plants, heating and insulation of high-temperature hot water in slaughterhouses, supply of high-temperature hot water in hotels, and high-temperature hot water in industrial enterprises.

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