Heat supply system based on Fresnel solar energy and combined cycle unit waste heat utilization

A combined cycle unit, Fresnel-type technology, applied to solar heating systems, heating systems, solar heat storage, etc., can solve the problems of reducing electrical load and reducing power generation capacity, so as to reduce steam consumption and improve overall Efficiency, the effect of improving power generation and power generation efficiency

Active Publication Date: 2021-12-24
XIAN THERMAL POWER RES INST CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

These technologies will significantly reduce the power generation capacity of the unit under heating conditions. Although the heat supply has increased, the electrical load has decreased significantly.

Method used

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  • Heat supply system based on Fresnel solar energy and combined cycle unit waste heat utilization

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Embodiment Construction

[0030] The present invention will be further described below in connection with the examples.

[0031] like figure 1 A heating system based on the residual heat utilization of Fresveral solar energy and combined cycle unit, based on the existing combined cycle unit heating system, by transforming increased module boiler residual heat utilization of heat storage cycle system and module Fresnel Solar thermal utilization system, and retrofit the hot mesh circulating water system.

[0032] The existing combination of the ring tessellation system comprises a combination circulating generator set (consisting of gas turbine, steam turbine and residual heat boiler), hot meter heater and hot mesh circulating water system. Hot Net heater utilizes a combined circulating generator to heat the water circulating water from the factory, heat the low temperature hot network circulating water to the user needs temperature, and transported to the factory external hot network system for heating, hot...

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Abstract

The invention discloses a heat supply system based on Fresnel solar energy and combined cycle unit waste heat utilization. The heat supply system comprises a boiler waste heat utilization heat storage circulating system and a Fresnel solar energy heat utilization system, and a heat supply network circulating water system is reformed and designed. By additionally arranging the systems and improving the design, boiler waste heat and solar energy can be used for heating heat supply network circulating water, and the steam consumption supplied to a secondary heat supply network heater is remarkably reduced, so that the power generation power of a combined cycle unit under the heat supply working condition is remarkably improved, and meanwhile, the operation efficiency of a unit is improved.

Description

Technical field [0001] The present invention belongs to the field of joint cyclic power generation, heating technology, and more particularly to a heating system based on the residual heat utilization of Fresnel solar energy and combined cycle unit. Background technique [0002] Due to the large pollutant emissions of coal-fired heat transfer units, with the urbanization process, under the guidance of government policies, the surrounding cycle heat transfer units have been built around important cities, which have high efficiency, pollution, and pollution. Small emissions, becoming a green business card for urban development. [0003] However, with the further development of the city, the heating demand has increased year, and the deep excavation of the heating capacity of the existing combined cycle unit will improve the thermal efficiency of the combined circulating generator set to become an urgent task. [0004] Existing technologies for improving the heating capacity of Unit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24D15/02F24D19/00F24S10/70F24S60/00F24S23/77F28D7/00F28D7/16F28F19/01F23J15/06F01D15/10
CPCF24D15/02F24D19/0002F24S10/70F24S60/00F24S23/77F28D7/00F28D7/16F28F19/01F23J15/06F01D15/10Y02E10/44Y02E20/30
Inventor 薛志恒何欣欣雷少博邢乐强杨可陈会勇赵鹏程刘雨佳
Owner XIAN THERMAL POWER RES INST CO LTD
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