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Building energy supply-based medium and shallow-layer geothermal energy comprehensive application system and operation mode

An application system, geothermal energy technology, applied in the field of ground source heat pump system and water source heat pump system, can solve the problem of no patent documents, and achieve the effect of reducing energy consumption, improving economic and environmental benefits, and ensuring cleanliness

Pending Publication Date: 2019-05-31
TIANJIN CHENGJIAN UNIV
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  • Building energy supply-based medium and shallow-layer geothermal energy comprehensive application system and operation mode

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[0025] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0026] A comprehensive application system of medium and shallow geothermal energy based on building energy supply, the system includes fan coil unit (1), floor radiant heating system (2), ground source heat pump unit (3), water source heat pump unit (4), ground The user-side circulating water pump of the source heat pump unit (5), the user-side circulating water pump of the water source heat pump unit (6), the first electromagnetic valve group (7), the second electromagnetic valve (8), the plate heat exchanger A (9), the third Solenoid valve (10), fourth solenoid valve (11), fifth solenoid valve (12), plate heat exchanger B (13), sixth solenoid valve (14), seventh solenoid valve (15), eighth solenoid valve Valve (16), ninth solenoid valve (1...

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Abstract

The invention provides a building energy supply-based medium and shallow-layer geothermal energy comprehensive application system and operation mode. The system involves a ground source heat pump unituser side heat supply circulation loop, a ground source heat pump unit user side cold supply circulation loop, a water source heat pump unit user side heat supply and cold supply circulation loop, aground source heat pump unit ground source side heat supply circulation loop, a ground source heat pump unit ground source side cold supply circulation loop, a pumping-back recharging well circulation loop, a shallow groundwater heat supply and cold supply loop, an indoor heat supply circulation loop and a medium-layer geothermal water heat supply loop. According to the system, on the basis of aconventional soil source heat pump, a soil source heat pump system is used as a main heat source, the hydrothermal type geothermal energy is used as an auxiliary heat source for gradient heat exchange, the shallow geothermal energy is used as an auxiliary cold and heat source for heat exchange, and a forced convection method is adopted, so that the heat imbalance problem of the soil is effectivelyrelieved, the operation efficiency of the system is improved, and the resource utilization efficiency is improved.

Description

technical field [0001] The invention relates to a ground source heat pump system and a water source heat pump system in the field of comprehensive utilization of energy, in particular to a mid-shallow geothermal energy comprehensive application system based on building energy supply and its operating mode. Background technique [0002] Geothermal energy has the characteristics of clean and environmental protection, large reserves, wide distribution, and stability and reliability. Ground source heat pump is one of the main technologies for utilizing geothermal energy. The increase in the application scale of soil source heat pumps has caused the phenomenon of "cold and heat accumulation" in the soil around the buried pipes, which reduces the operating efficiency of the system or even fails, resulting in the loss of the energy saving advantages of soil source heat pumps. [0003] At present, shallow and hydrothermal geothermal energy cooling and heating technologies have basic...

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Application Information

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IPC IPC(8): F24T10/15F24D3/18F24F5/00
CPCY02B30/12Y02B10/40Y02E10/10
Inventor 马玖辰张秋丽江倩王文君王宇魏璠
Owner TIANJIN CHENGJIAN UNIV
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