Natural working medium heat pump steam and hot water combined supply generation system
A technology of generation system and natural working fluid, applied in the direction of steam generation, steam boiler, superheater, etc., can solve the problems of low heating temperature of heat pump and global warming, etc.
Pending Publication Date: 2022-07-15
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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Problems solved by technology
The heating temperature of traditional heat pumps is not high, usually below 80°C. If traditional heat pump working fluids (such as R22, R134a, etc.) are not friendly to the environment, they will cause environmental problems such as ozone holes and global warming.
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[0041] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention. , not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0042] Combine below Figure 1 to Figure 3 Describe the natural working fluid heat pump steam cogeneration generation system of the present invention, the natural working fluid heat pump steam cogeneration generation system includes a carbon dioxide heat pump system and a water steam generation system.
[0043] like Figure 1 to Figure 3 As shown, the carbon dioxide heat pump system includes a carbon dioxide comp...
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The invention provides a natural working medium heat pump steam and hot water combined supply generation system which comprises a carbon dioxide heat pump system and a steam generation system. The carbon dioxide heat pump system comprises a carbon dioxide compressor, an air cooler, an evaporator, a gas-liquid separator, a first expansion valve and an ejector; the water vapor generating system comprises a water supply pipeline and a water vapor generating pipeline. According to the natural working medium heat pump steam and hot water combined supply generation system, carbon dioxide and water are selected as circulating working media, the requirement for the high heat supply temperature can be met, and the environment cannot be affected; in addition, the carbon dioxide heat pump system comprises two throttling modes of expansion valve throttling and ejector throttling, and therefore it is guaranteed that the system operates under the optimal high-pressure side pressure.
Description
technical field [0001] The invention relates to the technical field of heat pumps, in particular to a natural working medium heat pump steam and hot water co-supply generation system. Background technique [0002] The production and utilization of thermal energy has always been accompanied by the birth and development of human civilization. With the continuous development of society and industry, the demand and quality requirements of thermal energy are also getting higher and higher. Among them, water, as an excellent medium for heat energy transfer, is widely used in various fields such as industry, agriculture, medicine, and commerce. At present, the production of high-temperature water and steam in my country mainly consumes coal-based fossil energy, which not only consumes a large amount of energy, but also has a relatively large impact on the environment. In order to solve the problem of reducing energy consumption and alleviating environmental pressure, in recent yea...
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IPC IPC(8): F25B9/00F25B9/08F25B41/31F25B43/00F25B40/02F25B40/06F25B43/02F24H4/02F22B31/08
CPCF25B9/008F25B9/08F25B43/003F25B43/02F25B40/02F25B40/06F24H4/02F22B31/08
Inventor 李晓琼张鹏张振涛魏闻天黄志电杨俊玲宋衍昌
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI