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A combined heat and power system based on solar thermochemical energy storage

A combined heat and power, solar thermal technology, used in solar heating systems, solar thermal energy, solar thermal power generation and other directions

Active Publication Date: 2020-01-10
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a combined heat and power system based on solar thermochemical energy storage, which realizes stable power output and heat supply, and solves the technical problem of "determining power by heat" in the existing power generation process

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  • A combined heat and power system based on solar thermochemical energy storage
  • A combined heat and power system based on solar thermochemical energy storage

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Embodiment Construction

[0045] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be fully described below through specific implementation in combination with the drawings in the embodiments of the present invention. Apparently, the described embodiments are some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts, All fall within the protection scope of the present invention.

[0046] figure 1It is a combined heat and power system based on solar thermochemical energy storage provided by an embodiment of the present invention, such as figure 1 As shown, the combined heat and power system based on solar thermochemical energy storage provided by the embodiment of the present invention may include: a solar thermochemical cycle subsystem 1...

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Abstract

The embodiment of the invention discloses a heat and power combined supply system based on solar thermochemical energy storage. The system comprises a solar thermochemical circulating sub system, a steam turbine power generation circulating sub system and a heat storage heat exchange sub system. The solar thermochemical circulating sub system, the steam turbine power generation circulating sub system and the heat storage heat exchange sub system are arranged in a coupled manner. A binding mode of ordering power by heat in the prior art is changed by guaranteeing stable electric output of the steam turbine power generation circulating sub system and stable heat power supply of the heat storage heat exchange sub system as the solar thermochemical circulating sub system provides energy to thesteam turbine power generation circulating sub system and the heat storage heat exchange sub system, separately. Meanwhile, the solar thermochemical circulating sub system in closed circulation achieves zero emission of carbon dioxide. Compared with a conventional thermal power generation system, the heat and power combined supply system based on solar thermochemical energy storage provided by the invention is only driven by clean energy sources such as solar energy and wind energy, so that not only is the cost of fuels saved, but also is the environmental pollution avoided.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of power generation, and in particular to a combined heat and power system based on solar thermochemical energy storage. Background technique [0002] In traditional distributed energy systems, thermal power units are mostly operated in a bundled mode of "heat-fixed power". It is difficult for the system to precisely control the fluctuations of power consumption, which often results in low-load rate operation or forced shutdown of the units, making the annual utilization of the units Hours are smaller. [0003] With the development of new energy sources, solar energy has gradually come into people's sight as a clean energy source, and solar thermal storage technology has developed rapidly. Thermal storage technology refers to the storage of thermal energy in the time and space with abundant sunlight to the time and space with insufficient sunlight for backup, so as to maintain the stab...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24S60/20F28D20/00F22B1/00F03G6/06F01K25/10F01K13/00
CPCF01K13/00F01K25/103F03G6/065F22B1/00F28D20/003Y02E10/46Y02E60/14Y02E70/30
Inventor 黄云姚华李大成王娜锋
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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