Liquid fuel-liquid oxygen high pressure direct combustion steam power system

A steam power system and liquid fuel technology, applied in the directions of combustion air/fuel supply, combustion method, combustion equipment, etc., can solve problems such as the lag of energy storage technology, reduce production costs, facilitate storage, and generate high-efficiency power system devices Effect

Active Publication Date: 2016-08-10
SOUTHEAST UNIV
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  • Application Information

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Problems solved by technology

[0003] On the other hand, with the development of renewable energy and its increasing share in the power grid, due to the passive nature of renewable energy production, the problem of balance between supply and demand of power grid loads has become in

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  • Liquid fuel-liquid oxygen high pressure direct combustion steam power system

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings.

[0035] A liquid fuel liquid oxygen high-pressure direct-fired steam power system, the system includes

[0036] The liquid oxygen pump 2 is used to receive the liquid oxygen in the low-temperature liquid oxygen storage tank 1, and send it to the first inlet of the first heat exchanger 3 through a pipeline, and send it to the high-pressure liquid oxygen through the pipeline from the first outlet of the first heat exchanger 3 burner 10;

[0037] The fuel pump 5 is used to receive the liquid fuel 4 and send it to the first inlet of the second heat exchanger 6 through the pipeline, and send it to the high-pressure liquid oxygen burner 10 through the pipeline from the first outlet of the second heat exchanger 6;

[0038] The refrigerant pump 8 is used to receive the coolant 7 and send it to the first inlet of the third heat exchanger 9 through a pipeline, and send it to the...

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Abstract

The invention discloses a liquid fuel-liquid oxygen high pressure direct combustion steam power system. According to the system, liquid oxygen and liquid fuel are fed into a high pressure liquid oxygen combustor through a liquid oxygen pump and a fuel pump correspondingly to combust and generate high pressure and high temperature power steam, and the steam temperature is adjusted in the mode that a cooling agent is injected into the high pressure liquid oxygen combustor under high pressure. The ultrahigh pressure and high temperature power steam drives an expansion machine to generate electricity at higher electricity generation efficiency, exhaust steam at an outlet of the expansion machine is separated through condensers, and water and carbon dioxide are liquefied through condensation. The liquid oxygen needed by the system is produced by an air separation device through surplus electricity in the trough load period of a power grid and stored, part of the high cost for liquid oxygen production is counteracted, and the system has the remarkable advantages of large-scale energy storage with liquid oxygen, zero emission of nitrogen oxides, low-cost carbon capture, high-efficiency electricity generation and the like.

Description

technical field [0001] The invention relates to the technical field of clean energy power engineering, in particular to a steam power system combining liquid fuel liquid oxygen high-pressure direct combustion technology, liquid oxygen scale energy storage, zero nitrogen oxide emission and carbon dioxide capture technology. Background technique [0002] Energy is the pillar industry of modern society. Fossil energy accounts for more than two-thirds of my country's electric energy production. The main fuels are coal, oil and natural gas. The power generation devices mainly include steam power devices using Rankine cycle. Brayton cycle gas power plant and gas-steam combined cycle power plant combining the two. While supporting the rapid development of modern society, fossil energy also poses a serious threat to the earth's environment. Pollutants and greenhouse gas emissions in the production of fossil energy have become a major issue of global concern and need to be resolved u...

Claims

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Application Information

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IPC IPC(8): F02C6/00F02C3/22F23L7/00
CPCF02C3/22F02C6/00F23L7/007F23L2900/07005Y02E20/34
Inventor 张宝怀
Owner SOUTHEAST UNIV
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