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Supercritical carbon dioxide power generation system with turbine high-level arrangement

A carbon dioxide and power generation system technology, applied in the direction of steam generation, steam engine device, steam generation device, etc., can solve the problems that affect the development and application of technology, high investment cost of power generation system, cost increase, etc., to reduce investment cost, reduce Length, effect of reducing flow resistance

Pending Publication Date: 2019-04-12
XIAN THERMAL POWER RES INST CO LTD
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Problems solved by technology

[0003] However, for a large-scale coal-based supercritical carbon dioxide Brayton cycle power generation system, with the increase of working fluid parameters, the cost of high-temperature and high-pressure pipelines connecting boilers and turbines will increase sharply, resulting in high investment costs for the entire power generation system , has seriously affected the development and application of the technology

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  • Supercritical carbon dioxide power generation system with turbine high-level arrangement

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Embodiment Construction

[0022] The present invention is described in further detail below in conjunction with accompanying drawing:

[0023] refer to figure 1 , the supercritical carbon dioxide power generation system with high-level arrangement of turbines in the present invention includes a boiler 6 and a supercritical carbon dioxide Brayton cycle power generation system; the boiler 6 includes a furnace, a horizontal flue and a boiler tail flue connected in sequence, wherein the furnace The primary gas cooling wall 61, the reheating gas cooling wall 62 and the high temperature superheater 63 are arranged in sequence along the flue gas flow direction, the high temperature reheater 64 is arranged in the horizontal flue, and the boiler tail flue is arranged in sequence along the flue gas flow direction. A low-temperature reheater 65 and a flue gas cooler 67 are arranged, and a low-temperature superheater 66 is also arranged in the tail flue of the boiler, wherein the low-temperature superheater 66 and...

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Abstract

The invention discloses a supercritical carbon dioxide power generation system with turbine high-level arrangement. The supercritical carbon dioxide power generation system with turbine high-level arrangement comprises a boiler and a supercritical carbon dioxide Brayton cycle power generation system; the boiler comprises a furnace hearth, a horizontal flue and a boiler tail flue which are sequentially communicated with one another; and a high-pressure turbine, a lower-pressure turbine and a power generator in the supercritical carbon dioxide Brayton cycle power generation system are coaxiallyarranged and are arranged on the top of the furnace hearth. In the system, a high-temperature and high-pressure pipeline between the boiler and each turbine is relatively short, and the investment cost is low.

Description

technical field [0001] The invention belongs to the field of advanced and high-efficiency thermal power generation, and relates to a supercritical carbon dioxide power generation system with high-position turbines. Background technique [0002] Continuously improving the efficiency of generator sets is the eternal theme and goal of power industry research. For power generation companies, the higher the cycle efficiency of the system, the lower the energy consumption per unit of power generation, and the lower the corresponding energy consumption and pollutant emissions. A large number of studies have shown that the supercritical carbon dioxide Brayton cycle is a new concept advanced power system with great potential. Because supercritical carbon dioxide has the characteristics of high energy density and high heat transfer efficiency, the power generation efficiency of supercritical carbon dioxide Brayton cycle power generation system is more than 5 percentage points higher ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K13/00F01K11/02F22B33/18
CPCF01K11/02F01K13/00F22B33/18
Inventor 姚明宇白文刚李红智张一帆杨玉
Owner XIAN THERMAL POWER RES INST CO LTD
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