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Heat pump drying equipment

A heat pump drying and equipment technology, applied in drying, lighting and heating equipment, dryers and other directions, can solve the problems of aggravated fuel air pollution, high use cost, increased burden on farmers, etc., and achieve good social benefits and use costs. Outstanding effect of saving and energy saving

Active Publication Date: 2013-12-11
宁波天海制冷设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

"Fuel oil-air supply" and "wood burning-air supply" units are all mineral and biological fuels, and the high cost of use will inevitably increase the burden on farmers in our country
Furthermore, the incomplete combustion of fuel will cause the aggravation of air pollution and the loss of energy.

Method used

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Examples

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with accompanying drawing and specific embodiment: see Figure 1 to Figure 3 , heat pump drying equipment, including a heat pump drying unit 1 and a drying tower 2 connected to the heat pump drying unit 1, the heat pump drying unit includes an air inlet 10, and the heat pump drying unit 1 includes an air dehumidification circuit , the air dehumidification loop includes a compressor 11, a four-way valve 12, a condenser 13, a dry filter 14, a first thermal expansion valve 15, and a dehumidification heat exchanger 16 connected in sequence, and the dehumidification heat exchanger 16 is connected to The four-way valve 12, the heat pump drying unit 1 also includes an air circulation pipeline and at least one refrigerant circulation circuit, and the refrigerant circulation circuit includes a compressor 11, a four-way valve 12, a condenser 13, a dry filter 14, the second thermal expansion valve 150, ...

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PUM

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Abstract

The invention discloses heat pump drying equipment, which comprises a heat pump drying unit and a drying tower which is connected with the heat pump drying unit. Grains in the drying tower are dried through the heat pump drying unit. The heat pump drying equipment has the advantages that no pollution is caused, no combustion emission is produced, no harm is caused to human bodies and the social benefits are good; and the energy consumption is low, the energy saving effect is remarkable, the investment return period is short, the energy-efficiency ratio of the product is generally 3-5 in grain harvesting seasons, i.e. 3-5kw of heat can be produced by inputting 1kw of power, and compared with equipment which directly burn energy or crops, the use cost is saved very greatly.

Description

technical field [0001] The invention relates to an agricultural product drying unit in the agricultural product industry, in particular to a heat pump drying device. Background technique [0002] At present, the dryers mainly used in my country and the world mainly include "fuel oil-air supply", "wood burning-air supply" or other methods of directly burning energy or crops. [0003] "Fuel oil-air supply" and "wood burning-air supply" units are all fuel-based, which will increase smoke, CO, CO 2 This is not advisable under the condition that my country's atmospheric environment is seriously deteriorating and environmental protection requirements are becoming more and more important. The "fuel-air supply" process mainly uses diesel as fuel, which will compete with other industries for fuel, which will not only increase environmental pollution, but also increase the pressure on the country's energy supply. The "burning wood-air supply" process mainly uses straw, firewood, cha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B21/00F26B25/22F25B41/04F25B41/06F25B41/20F25B41/31
Inventor 祝富华陈玉景黄利群姜平
Owner 宁波天海制冷设备有限公司
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