Double-heat-supplementing multi-source heat pump coupling energy supply system

Abstract

The invention discloses a double-heat-supplementing multi-source heat pump coupling energy supply system. The system is characterized in that a water outlet of a solar heat collector is connected withan inlet of a first circulating pump, an outlet of the first circulating pump is connected with a water inlet of a heat storage water tank, a water outlet of the heat storage water tank is connectedwith a hot water inlet of a plate heat exchanger, a fin heat exchanger is fixed in a heat source tower, a cold water inlet of the plate heat exchanger is connected with a cold water outlet of the finheat exchanger, a hot water outlet of the plate heat exchanger is connected with a water inlet of an evaporator, a water outlet of the evaporator is connected with an inlet of a second circulating pump, a hot water inlet of the fin heat exchanger is connected with outlets of the second circulating pump and a third circulating pump, an inlet of the third circulating pump is connected with an outletof a ground source side heat exchanger, and an inlet of the ground source side heat exchanger is connected with a cold water outlet of the fin heat exchanger. A solar-assisted double-source heat pumpsystem is adopted, and effective complementary utilization of energy is achieved.

Description

technical field [0001] The invention belongs to the technical field of renewable energy utilization, and in particular relates to a double supplementary heat multi-source heat pump coupled energy supply system. Background technique [0002] There are various low-grade natural energies in nature, which exist in air, soil, groundwater, etc. These natural energies have a direct impact on the performance of heat pumps when they are used as cold and heat sources due to different temperatures and different utilization methods. The air source heat pump scheme is widely used for its stable operation, high energy utilization rate, small footprint and environmental protection, but it is greatly affected by the parameters of the outdoor air state, and there is a serious problem of frosting during heating in winter. Ground source heat pumps have the advantages of energy saving, environmental protection and high energy utilization, but their efficiency is restricted by problems such as ...

AI Technical Summary

Problems solved by technology

The air source heat pump scheme is widely used for its stable operation, high energy utilization rate, small footprint and environmental protection, but it is greatly affected by the parameters of the outdoor air state, and there is a serious problem of frosting during heating in winter

Ground source heat pumps have the advantages of energy saving, environmental protection and high energy utilization, but their efficiency is restricted by soil environment and soil quality, and the initial investment is relatively high.

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