一种超长重力热管耦合太阳能驱动吸附热泵的多联供系统

Abstract

本实用新型公开一种超长重力热管耦合太阳能驱动吸附热泵的多联供系统，属于地热和太阳能利用及热泵技术领域。该系统包括地热超长重力热管装置、太阳能集热器、吸附式热泵系统。地热超长重力热管装置通过工质循环闭式管路与换热器连接回收地热，换热器热水管道经太阳能集热器与吸附式热泵的四通换向阀形成热水循环；冷凝器通过四通换向阀与冷却塔、供暖设施并联成冷却水循环，蒸发器与供冷设施形成冷冻水循环，通过四通换向阀切换实现吸附床吸脱附交替连续运行。本实用新型以地热为基础热源并耦合太阳能提升热能品位，增强制冷性能以匹配供冷需求；回收冷凝热与吸附热构建多能互补利用机制，提升制热性能系数与供暖效率，实现能源高效综合利用。

Claims

1. A multi-generation system of super-long gravity heat pipe coupled solar energy driven adsorption heat pump, characterized in that: It includes a geothermal ultra-long gravity heat pipe device (1), a solar collector (3), and an adsorption heat pump system; The working fluid steam outlet (1-2) of the geothermal ultra-long gravity heat pipe device (1) is connected to the working fluid pipeline inlet of the heat exchanger (2) through a pipeline, and the working fluid pipeline outlet of the heat exchanger (2) is connected to the working fluid return port (1-3) of the geothermal ultra-long gravity heat pipe device (1) through a pipeline, forming a closed working fluid circulation pipeline. The hot water pipe of the heat exchanger (2) is connected to the solar collector (3) through a pipe. The solar collector (3) is connected to the first four-way reversing valve (12-1) of the adsorption heat pump system through a pipe. The second four-way reversing valve (12-2) of the adsorption heat pump system is connected to the hot water pipe of the heat exchanger (2) through a pipe, forming a closed hot water circulation pipeline. The condenser (8) of the adsorption heat pump system is connected in parallel with the cooling tower (6) and heating facilities (7) through pipes and the first four-way reversing valve (12-1) and the second four-way reversing valve (12-2) to form a cooling water circulation pipeline; The evaporator (9) of the adsorption heat pump system is connected to the cooling facility (10) through a pipe to form a chilled water circulation pipeline.

2. The multi-coupling system according to claim 1, characterized in that: A working fluid circulation pump (11-1) is installed on the closed-loop working fluid circulation pipeline.

3. The multi-coupling system according to claim 1, characterized in that: The working fluid (1-1) in the geothermal ultra-long gravity heat pipe device (1) is ammonia, ethanol or Freon.

4. The multi-circuit system according to claim 1, characterized in that: A hot water circulation pump (11-2) is installed on the closed-loop hot water circulation pipeline.

5. The multi-generation system according to claim 1, characterized in that: The heat exchanger (2) is divided into a gravity heat pipe working fluid pipeline and a hot water pipeline. The gravity heat pipe working fluid pipeline is connected to the working fluid circulation closed pipeline, and the hot water pipeline is connected to the hot water circulation closed pipeline.

6. The multi-circuit system of claim 1, wherein: A cooling water circulation pump (11-3) is installed on the cooling water circulation pipeline.

7. The multi-circuit system of claim 1, wherein: The first four-way reversing valve (12-1) and the second four-way reversing valve (12-2) are respectively connected to the first adsorption bed (5) and the second adsorption bed (4) of the adsorption heat pump system, and the hot water pipeline and the cooling water pipeline can be operated independently by switching the valves.

8. The multi-circuit system according to claim 7, characterized in that: The adsorption materials in the first adsorption bed (5) and the second adsorption bed (4) are silica gel, activated carbon, zeolite or calcium chloride.

9. The multi -generation system of claim 1, wherein: A chilled water circulation pump (11-5) is installed on the chilled water circulation pipeline, and a spray pipeline (15) is installed inside the evaporator (9) of the adsorption heat pump system.

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