Solar energy-ground source heat pump-floor radiation heating combined heating system

Abstract

The invention discloses a solar energy-ground source heat pump-floor radiation heating combined heating system. The system comprises a solar thermal collector, a heat storage water tank communicated with the solar thermal collector, a horizontal ground heat exchanger, a heat pump unit and a geothermal water well, wherein the inlet and outlet of the horizontal ground heat exchanger are communicated with a second outlet and a second inlet of the heat storage water tank, the water outlet and water inlet of the condenser of the heat pump unit are communicated with the inlet and outlet of the horizontal ground heat exchanger, the water inlet of the evaporator of the heat pump unit is connected with the third outlet of the heat storage water tank through the forth liquid inlet pipe of a second circulation pump group which is arranged on the water inlet, and the water outlet thereof is connected with the third inlet of the heat storage water tank through the forth liquid inlet pipe of a fifth electromagnetic valve which is arranged on the water outlet; and the geothermal water well is connected with the forth liquid inlet pipe through the fifth liquid outlet pipe of a submerged pump group which is arranged on the geothermal water well, and one end of the fifth liquid inlet pipe of a sixth electromagnetic valve which is arranged on the geothermal water well is communicated with the forth liquid outlet pipe. By adopting the method of the invention, the coefficient of performance of the heat pump unit can reach above 5.0.

Description

technical field [0001] The invention relates to the technical field of high-efficiency utilization of renewable energy, in particular to a combined heating system of solar energy-ground source heat pump-floor radiant heating. Background technique [0002] With the development of social economy and the improvement of people's living standards, the total energy consumption for heating and air conditioning is increasing, accounting for an increasing proportion of my country's total energy consumption. It will consume a large amount of fossil fuels (coal, oil, natural gas, etc.), which not only aggravates the shortage of energy supply but also brings increasingly serious environmental problems. Therefore, vigorously developing and utilizing renewable energy such as geothermal and solar energy as cold and heat sources for building heating and air conditioning, optimizing energy structure, reducing conventional energy consumption and pollutant emissions will have long-term benefit...

AI Technical Summary

Problems solved by technology

It is bound to consume a large amount of fossil fuels (coal, oil, natural gas, etc.), which not only ...

Images