Low-grade heat source drive solution temperature changing two-stage solution dehumidification air conditioner

Abstract

A low-grade heat source drive solution temperature changing two-stage solution dehumidification air conditioner comprises two fans, a solution cooler, an air condenser, a heat pump system, two dehumidifiers, a heat exchanger, a solar thermal collector and a regenerator. The heat pump system comprises an evaporator, a compressor, a solution condenser, the air condenser and a throttling device, wherein the evaporator, the compressor, the solution condenser, the air condenser and the throttling device are sequentially connected through a refrigerant pipeline, the two-stage temperature area dividing and humidification area dividing mode is adopted, a temperature changing dehumidification solution is utilized for treated heat and humid loads of fresh air, condensation heat of the heat pump and solar energy are utilized by the dehumidified dilute solution for regenerating, the solar thermal collector is utilized for achieving effective utilization of solar energy according to the weather condition, and energy consumption of the whole fresh air treating process is obviously reduced. Heat dynamic matching of the components is achieved more easily, meanwhile, the problem that low-grade energy is hard to transport is solved, the system stability is high, only one set of heat pump system and one regenerator are adopted, and the structure is simple.

Description

technical field [0001] The invention relates to the field of dehumidification air conditioners, in particular to a two-stage solution dehumidification air conditioner driven by a low-grade heat source to change the temperature of the solution. Background technique [0002] In recent years, the temperature and humidity independent processing air-conditioning system has been extensively studied, and is generally considered to be one of the effective ways to solve the problems existing in the traditional air-conditioning system. Among them, as a new technology, the heat pump driven solution dehumidification air conditioning system combining vapor compression refrigeration cycle and solution dehumidification technology has attracted more and more attention. This type of system uses the cooling capacity of the heat pump to deal with the sensible heat load of the room, uses the solution to deal with the humidity load, and uses the condensation heat of the heat pump as the regenera...

AI Technical Summary

Problems solved by technology

However, the dependence of solar energy on weather conditions and the difficulty of obtaining and transporting other low-grade heat sources limit the flexibility of such systems.

[0007] Solving the problem of energy waste in the prior art has become the main direction of the prior art research

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