Earth-source hot-pump system with loading balance and thermal-short circuit conquer

Abstract

The invention comprises a buried pipe heat exchanger system and an energy-lifting supply system and an energy-lifting supply system. It also includes an anti-seasonal balancing energy storage system. The buried pipe heat exchanger system includes a vertical buried pipe heat exchanger, an energy-lifting supply system water collector and a water knockout trap, an anti-seasonal balancing energy storage system water collector and a water knockout trap. The energy-lifting supply system includes a heat pump set, a geothermal energy water pump and an energy-lifting supply system water pump. The anti-seasonal balancing energy storage system includes a ground seasonal heat collector, a ground seasonal cold energy collector and an energy storage water pump.

Description

technical field [0001] The invention relates to a ground source heat pump system that balances winter and summer loads and overcomes thermal short circuit, and belongs to the field of energy and air conditioning technology. Background technique [0002] The ground source heat pump system (hereinafter referred to as ground source heat pump) with buried pipe heat exchange is known as the most promising air-conditioning technology in the 21st century, which is characterized by energy saving and environmental protection. Geothermal heat exchangers can be arranged horizontally or vertically. Vertical geothermal heat exchangers have attracted widespread attention due to their advantages of less land occupation and stable performance. According to the different forms of buried pipes, there are generally single U-shaped pipes, double U-shaped pipes, casing type and other forms; according to different buried depths, they are divided into shallow buried (buried depth ≤ 30m), medium bu...

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Problems solved by technology

The air conditioning system under these modes is not a pure ground source heat pump, but half ground source heat pump and half solar energy heating, and the energy saving and environmental protection advantages of the ground source heat pump have not been fully utilized

[0007] 2. Thermal short circuit problem of underground vertical pipe heat exchanger

At present, the way to eliminate thermal short circuit in engineering applications is to add a pipe divider between the U-shaped pipes to separate the two pipes as much as possible. The diameter of the hole is limited and the distance between the two pipes is limited. The effect of this method is limited; Chongqing University invented A thermal insulation sleeve heat exchanger is filled with 5-50mm thick insulation material between the inner tube and the outer tube. It cannot be used on the pipe at all; on the other hand, the reality of making the insulation layer without joints in the pipe is also a problem, and the insulation is too thick and there is a problem of protection and pressure bearing

Its applicability is not strong

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