Heat pump drying system and control method thereof

A technology of heat pump drying and control method, which is applied in the direction of heat pump, drying, dryer, etc., can solve the problems of energy waste, slow start-up process, and inability to perform constant temperature control, etc., so as to avoid heat waste, improve energy utilization rate, Effect of improving dehumidification efficiency

Pending Publication Date: 2018-01-09
GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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Problems solved by technology

[0002] In the conventional closed heat pump drying system, since both the evaporator and the condenser are arranged in a closed air duct structure, there are problems of slow start-up process and constant temperature control. In the existing structure, generally by adding auxiliary Evaporator or auxiliary heater can be used to increase the startup speed of the system, and the temperature of the system can be controlled by adding an auxiliary condenser in the system
Among them, when the system uses the auxiliary condenser to control the temperature of the system, the auxiliary condenser directly discharges the absorbed heat to the outdoor environment, resulting in a waste of energy

Method used

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  • Heat pump drying system and control method thereof

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Embodiment Construction

[0041] The present invention is described below based on the embodiments, and those skilled in the art should understand that the drawings provided here are for the purpose of illustration, and the drawings are not necessarily drawn to scale.

[0042] Unless the context clearly requires, throughout the specification and claims, "comprises", "comprises" and similar words should be interpreted in an inclusive sense rather than an exclusive or exhaustive meaning; that is, "including but not limited to" meaning.

[0043] This application provides a heat pump drying system, such as figure 1 As shown, the heat pump drying system includes a heat pump system and a circulation channel 5 , wherein the circulation channel 5 is used to circulate the circulating working medium in the space to be dried 6 , such as air. A compressor 1 , a condenser, a throttling element and an evaporator 4 are arranged on the refrigerant flow path of the heat pump system, and the evaporator 4 is arranged in...

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Abstract

The invention provides a heat pump drying system and a control method thereof. The heat pump drying system comprises a heat pump system and a circulating channel used for circulating a circulating working medium in a space to be dried; a compressor, condensers, throttling elements and an evaporator are arranged on a refrigerant flowing path of the heat pump system, and the evaporator is located inthe circulating channel. The heat pump drying system further comprises a moisture absorption device, wherein the moisture absorption device can be used for conducting moisture absorption on the circulating channel and can conduct regeneration treatment on the moisture absorption device through heat of the condensers. In this way, when the circulating working medium in the circulating channel doesnot need to be heated by the condensers, auxiliary dehumidification can be conducted through the heat emitted by the condensers, heat waste is avoided, the energy source utilization rate is increased, and the dehumidification efficiency of the heat pump drying system can be improved.

Description

technical field [0001] The invention relates to the field of heat pumps, in particular to a heat pump drying system and a control method thereof. Background technique [0002] In the conventional closed heat pump drying system, since both the evaporator and the condenser are arranged in a closed air duct structure, there are problems of slow start-up process and constant temperature control. In the existing structure, generally by adding auxiliary The startup speed of the system can be improved by means of evaporator or auxiliary heater, and the constant temperature control of the system can be carried out by adding an auxiliary condenser in the system. Among them, when the system uses the auxiliary condenser to control the temperature of the system, the auxiliary condenser directly discharges the absorbed heat to the outdoor environment, resulting in a waste of energy. Contents of the invention [0003] In view of this, one of the objectives of the present invention is t...

Claims

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Application Information

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IPC IPC(8): F25B30/02F25B41/04F25B41/06F25B49/02F26B23/00F25B41/20F25B41/34
Inventor 黄玉优李欣叶强蔚
Owner GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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