Energy conserving heat exchanging device utilizing refrigerant

Abstract

An energy saving heat-exchanging system includes a refrigerant compressor, a heat making heat interchanger, a four-way valve, a cold-hot heat interchanger, two expanding valves, two electromagnetic valves, an ice-water machine and pipelines to connect above modules. The electromagnetic valve composed the pipeline strobe controls the coolant flow continuously or not flowing, and controls the flow direction with the four-way valve. So the device also has the function of excess heat recovery, refrigeration, heat making, wet removal and central air conditioning.

Description

technical field [0001] The invention relates to an energy-saving heat exchange device, in particular to a multi-functional energy-saving heat exchange device which can recover waste heat, cool a room, and provide warm room and central air-conditioning cold air at the same time. Background technique [0002] As shown in FIG. 1 , a known composite heat exchange device 10 is a heat exchange device including a refrigeration system and a central air-conditioning air-conditioning system, and has the functions of waste heat recovery, refrigeration, and central air-conditioning air-conditioning. Among them, the refrigeration system uses pipelines P1, P2 and P4 to form a refrigerant circuit, which is connected to a refrigerant compressor 30, a heating heat exchanger 40, a cooler 45, a solenoid valve S1, an expansion valve E1, and an evaporator 53 And a check valve V1. The central air-conditioning air-conditioning system uses pipelines P1, P3 and P4 to form a refrigerant circuit, whi...

AI Technical Summary

Problems solved by technology

[0008] However, the above-mentioned known composite heat exchange device 10 can only provide cooling function or central air-conditioning cooling function alone, but does not have heating function or provide heating and cooling functions at the same time

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