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Multi-energy complementary integrated power generation system

A power generation system and air technology, applied in the field of multi-energy complementary comprehensive power generation systems, can solve the problems of low efficiency, high operating costs, and unstable output of power generation systems, and achieve the effects of saving consumption, reducing investment costs, and reducing utilization

Pending Publication Date: 2018-11-23
四川协鑫电力工程设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art, provide a multi-energy complementary integrated power generation system, and solve the technical problems of low efficiency, unstable output, and high operating cost of the power generation system in the prior art

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 As shown, it is a schematic structural diagram of the unconnected burner of the present invention, including: an air compressor 2, a photothermal heat storage device 6, a photothermal-air heat exchanger 7, an air expander 4, a generator 5 and a power supply system.

[0029] The power supply system includes: an electric energy storage device 1, a wind power generation system 9 and three-phase AC mains, the wind power generation system 9 and the three-phase AC mains are electrically connected to the electric energy storage inlet of the electric energy storage device 1 respectively through a switch, and the power storage device 1 The electric energy output port is connected with the electric motor of the air compressor through a switch, and is used for supplying power to the electric motor of the air compressor 2 .

[0030] The air expander 4 and the generator 5 adopt a coaxial design structure. When the high temperature and high pressure air drives the ai...

Embodiment 2

[0037] Such as figure 2 As shown, the difference between the second embodiment and the first embodiment is that a burner 3 is also connected between the air compressor 2 and the air expander 4, and the air inlet of the burner 3 passes through a one-way air valve. It is connected with the exhaust port of the air compressor 2, and the gas discharge port of the burner 3 is connected with the air inlet of the air expander 4 through the second check valve, and the fuel supply port of the burner 3 is connected with the fuel supply system .

[0038] Part of the high-pressure air output by the air compressor 2 is output to the photothermal-air heat exchanger 7 to exchange heat with the heat storage medium, and the other part is output to the burner 3 to be mixed with the fuel in the burner 3 to generate high-temperature gas; The high-temperature gas output from the burner 3 is mixed with the high-temperature and high-pressure air output from the photothermal-air heat exchanger 7, an...

Embodiment 3

[0041] Such as image 3 As shown, the difference between the third embodiment and the first embodiment is that a burner 3 is connected between the photothermal-air heat exchanger 7 and the air expander 4, and the air inlet of the burner 3 is connected with the photothermal - The outlet of the cold medium pipeline of the air heat exchanger 7 is connected, the gas discharge port of the burner 3 is connected with the air inlet of the air expander 4, and the fuel supply port of the burner 3 is connected to the fuel supply system.

[0042] The high-pressure air output from the air compressor 2 is output to the photothermal-air heat exchanger 7 to exchange heat with the heat storage medium, and the high-temperature and high-pressure air output from the photothermal-air heat exchanger 7 is input to the burner 3 to communicate with the heat in the burner 3 The fuels are mixed and burned to generate high-temperature and high-pressure mixed gas, which is output to the air expander 4 to ...

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Abstract

The invention discloses a multi-energy complementary integrated power generation system. The multi-energy complementary integrated power generation system comprises an air compressor, photothermal storage device, a photothermal-air heat exchanger, an air expander, an electricity generator and a power supply system which is used for providing electricity for a motor of the air compressor; the air compressor is coaxially connected with the electricity generator; a thermal medium pipe of the photothermal-air heat exchanger is communicated with a thermal storage medium circulating pipe of the photothermal storage device; an input opening of a cool medium pipe of the photothermal-air heat exchanger is communicated with the air outlet of the air compressor, and an output opening of the cool medium pipe is communicated with an air inlet of the air compressor; high-pressure air compressed by the air compressor is sent to the photothermal-air heat exchanger for heat exchanging, and thus high-temperature high-pressure air is generated; the high-temperature high-pressure air drives the air expander to run, and the coaixal electricity generator is driven to run to generate electricity. The multi-energy complementary integrated power generation system adopts the Breton cycle with the air as medium and can greatly improve the electricity generation efficiency.

Description

technical field [0001] The invention relates to a multi-energy complementary comprehensive power generation system. Background technique [0002] At present, solar thermal power generation, wind power generation, gas power generation and energy storage technologies are widely used and have outstanding advantages, but there are still many objective problems: [0003] Photothermal power generation mainly gathers and stores solar energy through lava and other media, heats the waste heat boiler working medium, and drives a turbo generator to generate electricity. The basic power generation principle is the Rankine cycle, and the thermal efficiency is low; [0004] Wind turbines are currently one of the most widely used new energy power generation, but due to various reasons, the problem of wind abandonment is serious in some areas; [0005] The gas turbine cycle is a Brayton cycle, which has high power generation efficiency, but its main energy comes from non-renewable natural ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G6/00F03D9/11F02C6/00
CPCF02C6/00F03D9/11F03G6/00Y02E10/46Y02E10/72Y02E70/30
Inventor 王富华程兰詹海波
Owner 四川协鑫电力工程设计有限公司
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