Heat pump device consists of compressor, electronic expansion valve, dry filter, four-way valve, evaporator, casing condenser, fan and other major components, it adopts inverse Carnot principle, the compressor from the evaporator inhalation of low temperature and low pressure air Refrigerant, through the work of the refrigerant compressed into high temperature and high pressure air, high temperature and high pressure air into the condenser and air exchange heat, condensed into a cryogenic liquid in the condenser and release a lot of heat, the material absorbs its release of energy through the hot air circulation strong row of its moisture to achieve the purpose of drying materials.
The condensed high temperature and low pressure liquid is throttled and reduced by the expansion valve, and the heat of the surrounding air is absorbed by the action of the fan in the evaporator to volatilize into the low pressure air and is compressed into the compressor, so that it is circulated continuously and dry materials continuously.
Features of mesh belt dryer：
1, Air quantity, heating temperature, materials staying time and feeding speed can be adjusted to achieve the best drying effect.
2,The equipment configuration is flexible, mesh belt washing system and materials cooling system can be used.
3,Most air is recycled to realize saving energy
4,The machine is equipped with unique air dividing apparatus, it makes the hot air distribute uniform better and guarantee the quality of products is constant.
5,Heating source can be steam, conduction oil,, electricity, coal (oil), or hot air furnace.
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