Solar heat storage type water and ground dual heat source heat pump system for temperature control of aquaculture soil pond

An aquaculture, heat pump system technology, applied in solar heating systems, solar thermal energy, solar thermal power generation, etc., can solve the problems of high initial investment, poor practicability, and low energy efficiency of heat pump units

Active Publication Date: 2020-10-02
TONGJI UNIV
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  • Abstract
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Problems solved by technology

[0005] In order to solve the problems of low energy efficiency, high initial investment, and poor practicability of the heat pump units used for temperature control in aquaculture soil ponds, and make full use of the solar energy stored in ponds and soil, the present invention proposes a solar energy system for temperature control in aquaculture soil ponds. Regenerative water-ground dual heat source heat pump system

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  • Solar heat storage type water and ground dual heat source heat pump system for temperature control of aquaculture soil pond

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Embodiment 1

[0069] A solar thermal storage type water-ground dual heat source heat pump system for temperature control of aquaculture soil ponds, the structure and process are as follows figure 1 As shown, the main structure includes the first water-refrigerant heat exchanger 1, the first electronic expansion valve 2, the second electronic expansion valve 3, the second water-refrigerant heat exchanger 4, the third electronic expansion valve 5, the second Three water-refrigerant heat exchangers 6, four-way reversing valve 7, compressor 8, first buffer water tank 9, first stop valve 10, first water exchange pipe 11, second stop valve 12, first water pump 13 , the second buffer tank 14, the third shut-off valve 15, the second heat exchange pipe 16, the third heat exchange pipe 17, the fourth shut-off valve 18, the second water pump 19, the fifth shut-off valve 20, the third water pump 21, the first One check valve 22, the sixth stop valve 23, the seventh stop valve 24, the fourth water pump ...

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Abstract

The invention relates to a solar thermal storage type water-ground dual heat source heat pump system for temperature control of aquaculture soil ponds, which realizes heating / cooling based on the reverse Carnot cycle principle, including heat pump units, aquaculture soil ponds, auxiliary heat storage ponds and underground heat sources Well, it also includes the refrigerant circuit, water source circuit and groundwater flow path formed in the system. Compared with the prior art, the present invention uses idle pond heat storage as the heat source of the water source heat pump, which has large heat supply, high energy efficiency, and low operating cost; it avoids the defrosting problem of the air source heat pump, and the load of the whole breeding cycle is stable, and the installed capacity Small, low initial investment. The invention utilizes groundwater with relatively constant temperature as the heat source of the ground source heat pump, has high energy efficiency, wide application range and stable heat supply.

Description

technical field [0001] The invention relates to a dual heat source heat pump system, in particular to a solar heat storage type water-ground dual heat source heat pump system for temperature control of aquaculture soil ponds. Background technique [0002] Small shed farming is an important farming mode in the aquaculture industry, and it is widely used in farmland breeding areas in Jiangsu, Shandong and other places. Specifically, it is to cultivate by opening earthen ponds in farmland. Same as general aquaculture, water temperature control is very important for the growth of cultured species in earthen ponds. [0003] Solar energy is the main source of heat for earthen ponds in winter, but the solar energy stored in a single pond is limited, and additional heating is still needed. In traditional boiler heating equipment, coal burning will pollute the environment and has been banned. The operating cost of clean energy such as natural gas is too high, compressing profit ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B30/06F25B41/04F24S20/40F24T10/20F25B41/20
CPCF25B30/06F24S20/40F24T10/20F25B41/20Y02E10/40Y02E10/10
Inventor 张春路成家豪曹祥
Owner TONGJI UNIV
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