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Heat pump system

A heat pump system and heat pump cycle technology, applied in the field of heat pumps, can solve the problems of low efficiency and uneven oil return of the heat pump system, and achieve the effects of sufficient heating capacity, uniform oil return, and reduced condensation pressure

Pending Publication Date: 2022-04-15
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a heat pump system, which is used to solve the defect of uneven oil return and low efficiency of the heat pump system in the prior art when compressors are connected in parallel, so as to improve the efficiency of the heat pump system

Method used

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Embodiment Construction

[0065] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0066] The heat pump system can be used in industrial and agricultural production with super large heat capacity and heat demand. The flow pipeline on the use side is the main heat demand side, and the remaining heat source fluid pipeline can recycle low-temperature waste heat. For example, it can be used as Process cooling water at 40-60°C, cooling water of the air conditioning system i...

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Abstract

The invention relates to the technical field of heat pumps, and provides a heat pump system which comprises a use side fluid pipeline and a heat pump system. A waste heat source fluid pipeline; the multiple heat pump circulating units are mutually independent, and the second heat exchange sides of the condensers of the multiple heat pump circulating units are sequentially connected in series; a second heat exchange side inlet of the evaporator of each heat pump circulation unit is connected with the waste heat source fluid inlet through a pipeline, and a second heat exchange side outlet of the evaporator of each heat pump circulation unit is connected with the waste heat source fluid outlet through a pipeline. According to the heat pump system, the overall efficiency of the heat pump system is effectively improved.

Description

technical field [0001] The invention relates to the technical field of heat pumps, in particular to a heat pump system. Background technique [0002] As the global energy situation and environmental pollution become more and more severe, energy conservation and emission reduction has become the focus of attention all over the world, and energy-saving technology has become the goal of active research and development by various countries. In the process of industrial and agricultural production, fuel oil / gas-fired boilers are generally used for heating in production processes that require a large amount of heat, and electric heating or electric boilers are used for production processes that require less heat. However, in the process of industrial and agricultural production, there are still A large number of medium and low temperature waste heat and waste heat sources have not been utilized. Therefore, heat pump technology is used in the production process to recover medium a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B30/02F25B31/00F25B41/40F25B43/02F25B49/02
CPCF25B30/02F25B31/004F25B41/40F25B43/02F25B49/02
Inventor 唐明生孙文倩邹慧明赵金姊田长青黄国华常晟
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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