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Solar heat collection technology and gas-steam combined cycle device coupling power generation technology

A solar heat collection and combined cycle technology, applied in the energy field, can solve the problems of low peak power generation efficiency and high cost of power generation

Inactive Publication Date: 2013-05-08
雒晓卫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the peak power generation efficiency of these three power generation systems is still not high, and the peak power generation efficiency of the highest disk (dish) power generation system is only about 25%, and the cost of power generation is still much higher than that of coal-fired power stations

Method used

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  • Solar heat collection technology and gas-steam combined cycle device coupling power generation technology
  • Solar heat collection technology and gas-steam combined cycle device coupling power generation technology
  • Solar heat collection technology and gas-steam combined cycle device coupling power generation technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] Such as figure 1 As shown, the technical scheme of using the trough heat collection technology coupled with the triple-pressure reheating waste heat boiler. mainly includes:

[0081] The sun 1 is the energy source of the solar heat collection system, the 2 is the mirror field of the trough heat collection, the 3 is the vacuum heat collection tube, and the 4 is the pump driving the circulation of the heat-carrying working medium. These four parts together constitute the solar heat collection system (1). 5 is the coupling heat exchanger of solar energy and waste heat boiler, 38 is the flow regulating valve of water supply, and 39 is a cut-off valve, 38 and 39 are used together to adjust the water supply for heating or isolate the solar heat collection system. These two devices and corresponding pipelines together form the coupling part (2) of solar energy and waste heat boiler. 8 is a generator, 9 is a condensing deaerator, 10 is a low-pressure cylinder, 11 is a mediu...

Embodiment 2

[0083] Such as figure 2 As shown, the technical scheme of using trough heat collection technology coupled with single-pressure reheating waste heat boiler. mainly includes:

[0084] The sun 1 is the energy source of the solar heat collection system, the 2 is the mirror field of the trough heat collection, the 3 is the vacuum heat collection tube, and the 4 is the pump driving the circulation of the heat-carrying working medium. These four parts together constitute the solar heat collection system (1). 8 is a generator, 9 is a condensing deaerator, 10 is a low-pressure cylinder, 11 is a medium-pressure cylinder, 12 is a high-pressure cylinder, 13 is a condensate pump, 14 is a gas turbine, 15 is a heater, 16 is a combustion chamber, 17 is an air compressor, and these equipments form equipment (4) such as gas turbine-steam turbine and generator together. 18 is the shell of waste heat boiler, 19 is superheater, 21 is reheater, 25 is evaporator, 28 is high pressure preheater o...

Embodiment 3

[0086] Such as image 3 As shown, the technical scheme of using two sets of trough heat collection technology coupled with triple-pressure reheating waste heat boiler. mainly includes:

[0087] Sun 1 is the energy source of the first set of solar heat collection system, 2 is the mirror field of the first set of trough heat collection, 3 is the vacuum heat collection tube of the first set of solar heat collection system, and 4 is the first set of solar heat collection system A pump that drives the circulation of heat-carrying working fluid. These four parts together constitute the solar heat collection system (1). 5 is the coupling heat exchanger of the first set of solar heat collection system and waste heat boiler, 38 is the flow regulating valve of heat exchanger feed water, 39 is a cut-off valve, 38 and 39 are used together to adjust the feed water entering the first set of heaters Water volume or isolation heat exchanger, realizing the coupling and decoupling of the fi...

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Abstract

The invention discloses solar heat collection technology and gas-steam combined cycle device coupling power generation technology. The whole technology mainly comprises four parts including (1) solar heat collection technology which enables solar energy to be converted into internal energy of a heat carrying working medium; (2) a solar energy and heat recovery boiler coupling portion which enables heat obtained by using the solar heat collection technology to be input in a heat recovery boiler system through a coupling unit, uses high temperature flue gas in the heat recovery boiler, further improves steam quality and improves generating efficiency of solar energy; (3) the heat recovery boiler which uses the high temperature flue gas discharged from a gas turbine, generates high-temperature steam to push the gas turbine to do work and is an essential device of the gas-steam combined cycle; and (4) equipments such as a gas turbine-steam turbine and a generator, wherein the equipment use the high-temperature gas and steam to push the gas turbine and the steam turbine to do work and generates electricity through the generator.

Description

technical field [0001] The invention belongs to the field of energy technology, and in particular relates to a new technology for coupling solar heat collection technology and a gas-steam combined cycle device to generate electricity. Background technique [0002] As one of the renewable energy sources, solar energy has the following characteristics: [0003] 1) When solar energy is used, no waste will be discharged, and there will be no pollution to the environment; [0004] 2) Solar energy has a wide distribution range, and two-thirds of my country's land has an annual sunshine of more than 2200 hours; [0005] 3) Solar energy is huge, inexhaustible and inexhaustible; [0006] 4) Solar energy can be used directly without mining and processing, which is economical and safe; [0007] 5) Solar energy can be converted into many other forms of energy. [0008] Therefore, the utilization of solar energy has been accompanied by the entire development process of mankind. Maki...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G6/06F01K11/02F01K23/06F02C6/18
CPCY02E10/46Y02E20/16
Inventor 雒晓卫
Owner 雒晓卫
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