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A gas-steam thermal-electricity synergy system and method based on thermal storage steam regulation

A thermoelectric synergy, gas steam technology, applied in the direction of steam central heating system, heating system, heating method, etc., can solve the problems of large occupied space, large energy loss, poor thermal economy, etc. Utilization rate, the effect of improving the thermoelectric ratio

Active Publication Date: 2020-06-16
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is worth pointing out that there are several unresolved problems in the existing technical means and methods: (1) The grade of heat and thermal energy stored by direct storage of hot water and direct heat storage of heating network is low, and the site occupied is relatively small. Large, unable to meet the needs of users who have long hours and requirements for high-grade steam
(2) Although electric heat storage is economically feasible, from the perspective of energy, due to the loss of efficiency in the thermal-electric process, the energy loss is large and the thermal economy is poor

Method used

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  • A gas-steam thermal-electricity synergy system and method based on thermal storage steam regulation
  • A gas-steam thermal-electricity synergy system and method based on thermal storage steam regulation
  • A gas-steam thermal-electricity synergy system and method based on thermal storage steam regulation

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Embodiment Construction

[0027] Such as figure 1 As shown, a gas-steam thermal-electricity synergy system based on thermal storage steam adjustment is characterized by comprising a compressor 1, a gas turbine 2, a generator 3, a heat accumulator 4, a thermal storage steam bypass pipe 5, and a thermal storage steam bypass Outlet check valve 6; boiler heating steam outlet check valve 7, boiler 8, chimney 9, heating steam outlet valve 10, heating station 11, medium pressure cylinder steam bypass inlet valve 12, heating steam main pipeline 13 , low-pressure steam drum 14, high-pressure steam drum 15, main steam pipe 16, medium-pressure cylinder steam bypass (17), boiler heating steam water supply pipe 18, main steam water supply pipe 19, main steam water supply inlet valve 20, heating steam Water supply inlet valve 21, steam turbine 22, condenser 23, water supply pump 24, heat storage steam water supply inlet valve 25, heat storage steam water supply pipe 26, flue gas bypass inlet valve 27, flue gas bypas...

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Abstract

The invention discloses a fuel gas-steam-thermoelectricity cooperative system and method based on heat storage steam adjustment. The system comprises an air compressor, a gas turbine, an electric generator, a heat accumulator, a boiler, a chimney, a low-pressure steam pocket, a high-pressure steam pocket, a main steam pipe, a steam condenser, a make-up pump, a connection pipeline and an auxiliaryvalve. Thermoelectricity system supply of an original gas turbine in a low-load or even halt state is improved by arranging the heat accumulator and utilizing high-temperature flue gas of the gas turbine for heat accumulation, the requirements of the user side for hot steam are met, the gas turbine set thermoelectricity coordination ratio is improved, meanwhile, the system economy is improved, andthe application prospect is quite good.

Description

technical field [0001] The invention relates to a gas-steam combined cycle and heat storage technology, in particular to a gas-steam heat-electricity synergy system and method based on heat-storage steam regulation. Background technique [0002] With the increasing proportion of new energy power generation systems on the power supply side in the power supply system, the load fluctuations on the power supply side are increasing. At the same time, the fluctuations in energy demand on the demand side have always existed, resulting in The peak shaving performance requirements of the power supply system are getting higher and higher, and more and more traditional power stations are also required to participate in peak shaving. [0003] Gas turbine, as the earliest unit type involved in peak regulation, has been widely recognized by the market due to its convenient start and stop and good flexibility. At the same time, in order to improve the energy utilization efficiency of gas ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01K11/02F01K7/16F01K17/02F24D1/06F24D11/00
CPCF01K7/16F01K11/02F01K17/025F24D1/06F24D11/00
Inventor 张良钟崴俞自涛胡亚才
Owner ZHEJIANG UNIV
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