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Combined heat and power generation system and method provided with absorption heat pump and steam ejector

An absorption heat pump and combined heat and power technology, applied in combined heat and power systems, heating systems, adsorption machines, etc., can solve the problems of large energy loss and large heating temperature difference, so as to improve the heating capacity and reduce the Heating terminal difference, effect of mitigating thermoelectric coupling

Active Publication Date: 2022-07-15
HUADIAN ELECTRIC POWER SCI INST CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defect in the prior art that the large heating temperature difference leads to a large loss of available energy, the present invention provides a combined heat and power system equipped with an absorption heat pump and a steam ejector

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  • Combined heat and power generation system and method provided with absorption heat pump and steam ejector

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Embodiment Construction

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. 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.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must hav...

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Abstract

The invention relates to a combined heat and power generation system and method provided with an absorption heat pump and a steam ejector, the combined heat and power generation system comprises a steam turbine, a heater, a deaerator, the absorption heat pump and a steam ejector, the combined heat and power generation system is combined with the absorption heat pump, steam of the steam turbine is used as a heat source, and the steam ejector is used for ejecting steam. The heat supply capacity of the combined heat and power generation system is improved, and thermoelectric coupling of the combined heat and power generation system is relieved to a certain extent; meanwhile, the steam injection device is introduced to heat the return water of the heat supply network for three times, so that the heat utilization rate of the steam of the steam turbine is improved, the heating end difference is reduced, and the available energy loss caused by heat exchange is reduced.

Description

technical field [0001] The invention relates to the technical field of cogeneration, in particular to a cogeneration system equipped with an absorption heat pump and a steam ejector. Background technique [0002] In recent years, my country's industrial heat supply has continued to grow. China is a big coal-burning country. For a long time in the future, clean coal-fired district heating will still be the most effective way to balance environmental protection and cost pressure and achieve low-carbon heating. The cogeneration unit bears the electrical load and also bears the industrial and residential heat load in winter. When the traditional thermal power plant heats the residential heating water, the extraction steam directly heats the residential heating water. The temperature of the residential heating water is relatively low. The temperature of the heat exchange end is much higher than the temperature of the residential heating water. The large heating temperature differ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24D3/18F24D18/00F24D19/10F25B15/06F25B30/04F01K7/38F01K7/44F24D101/10
CPCF24D3/18F24D19/1039F25B15/06F25B30/04F01K7/38F01K7/44F24D2200/126F24D2200/32Y02E20/14
Inventor 高新勇刘明郑立军鞠浩然何晓红严俊杰
Owner HUADIAN ELECTRIC POWER SCI INST CO LTD
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