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Thermal pump driving solution dehumidifying device and method based on graded utilization of condensation heat

A solution dehumidification device and heat pump driven technology, applied in separation methods, heating methods, chemical instruments and methods, etc., can solve the problems of increasing condensation temperature and reducing COP of heat pump system, and achieve the reduction of condensation temperature, increase in cooling capacity, Realize the effect of utilization

Inactive Publication Date: 2014-12-17
SOUTHEAST UNIV
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Problems solved by technology

[0003] In the heat pump driven solution dehumidification system, the condensation temperature is high (70 o C), the quality of condensation heat is better, and the heat of condensation is usually greater than the heat required for solution regeneration. If all the heat of condensation is used for solution regeneration, the temperature of the solution will be too high, which will further lead to an increase in the condensation temperature and Reduction of COP of heat pump system

Method used

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  • Thermal pump driving solution dehumidifying device and method based on graded utilization of condensation heat

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Embodiment Construction

[0030] The present invention will be described below with reference to the accompanying drawings.

[0031] Such as figure 1 As shown, the present invention is based on a heat pump-driven solution dehumidification device based on the graded utilization of condensation heat. The device includes a vapor compression heat pump circulation loop, a main solution circulation loop, a fresh air circulation loop, an auxiliary solution circulation loop, a closed air circulation loop, and a cooling water circulation loop. in:

[0032] In the vapor compression heat pump circulation circuit, the first output end on the right side of the evaporator 1 is connected to the first input end on the right side of the second-stage condenser 4 through the compressor 2 and the first-stage condenser 3 in sequence; the second-stage condenser 4 The first output terminal on the left side is divided into two routes: one route is connected to the input terminal of the throttle valve 8 through the first val...

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Abstract

The invention discloses a thermal pump driving solution dehumidifying device and method based on graded utilization of condensation heat. The device comprises a conventional thermal pump driving solution dehumidifying circulation loop and a solution dehumidifying evaporation cooling circulation loop, wherein connecting components of the circulation loops comprise a secondary condenser (4) and a first cooler (7). In the device, residual condensation heat in a thermal pump driving solution dehumidifying system is used for driving a solution dehumidifying cycle to obtain dry air, and the dry air is evaporated and cooled in an indirect evaporative cooler to obtain low-temperature cooling water. The device can run in an undercooling refrigerant mode and a precooling fresh air mode. By adopting the device and the method, the aims of realizing reasonable utilization of the condensation heat in the thermal pump driving solution dehumidifying system, increasing the refrigerating capacity of the system, lowering the condensation temperature and increasing the COP (Coefficient of Performance) of the system are fulfilled.

Description

technical field [0001] The invention relates to a heat pump driven solution dehumidification system based on the graded utilization of condensation heat, which is a method and device for rationally graded utilization of condensation heat, and belongs to the technical field of heat pump driven solution dehumidification, condensation heat utilization and indirect evaporative cooling. Background technique [0002] The main task of the air conditioning system is to control the temperature and humidity of the indoor air. In recent years, heat pump driven solution dehumidification systems have become more and more popular due to their compact structure and high performance. In the heat pump driven solution dehumidification system, the cooling capacity of the evaporator is used to cool the solution and improve the dehumidification performance; the condensation heat of the condenser is used to regenerate the solution. [0003] In the heat pump driven solution dehumidification syste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00B01D53/26
Inventor 折晓会殷勇高张小松
Owner SOUTHEAST UNIV
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