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Oxygen-enriched waste incineration power generation system

A technology for incinerating power generation and oxygen-enriched waste, applied in incinerators, combustion methods, combustion types, etc., can solve the problems of unfavorable energy recovery, decreased energy utilization rate, and high water content, and achieve lower power generation costs, improve power generation efficiency, and cleanliness. high degree of effect

Pending Publication Date: 2021-11-26
EVERBRIGHT ENVIRONMENTAL TECH CHINA CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after hydrogen electrolysis is produced, it is burned again, and the final output is still only electricity, and the hydrogen produced by electricity is then burned to generate electricity, resulting in a sharp drop in energy utilization
In addition, the water content in the flue gas product after combustion is too high, resulting in a large amount of energy being taken out of the chimney as the latent heat of vaporization of water, which is not conducive to energy recovery

Method used

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  • Oxygen-enriched waste incineration power generation system

Examples

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Embodiment 1

[0029] The structure of an oxygen-enriched waste incineration power generation system of the present invention is as follows: figure 1As shown, it includes garbage storage bin 1, garbage incineration system 2, leachate treatment system 3, waste heat recovery system 4, flue gas purification system 5, waste heat power generation system 6, electrolytic water hydrogen production system 7, hydrogen storage and transportation system 8, two The secondary air distribution system 9 and the primary air distribution system 10, the garbage storage bin 1 is respectively connected with the garbage incineration system 2 and the leachate treatment system 3, and the leachate treatment system 3 includes a pretreatment device, a regulating tank, an anaerobic reaction device, two-stage nitrification and denitrification reactor, external membrane bioreactor, tubular microfiltration membrane, disc tubular reverse osmosis membrane, the waste incineration system 2 is connected to the waste heat recove...

Embodiment 2

[0036] Same as Example 1, the difference from Example 1 is that the electrolyzed water hydrogen production system 7 is also connected to the primary air distribution system 10, and the oxygen can be connected to the primary air as well as the secondary air to further increase the oxygen enrichment.

Embodiment 3

[0038] Same as Example 1, the difference from Example 1 is that the waste incineration system 2 is replaced by a biomass incineration system.

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Abstract

The invention discloses an oxygen-enriched waste incineration power generation system which comprises a waste storage bin connected with a leachate treatment system. The waste storage bin and the leachate treatment system are both connected with a waste incineration system, the waste incineration system is connected with a waste heat recovery system, and the waste heat recovery system and the leachate treatment system are both connected with a flue gas purification system; and the waste heat recovery system is further connected with a waste heat power generation system, the waste heat power generation system and the leachate treatment system are both connected with a water electrolysis hydrogen production system, the water electrolysis hydrogen production system is connected with a hydrogen storage and transportation system and a secondary air distribution system, and the secondary air distribution system and a primary air distribution system are both connected with the waste incineration system. According to the system, hydrogen is produced through a low-price green power source generated by waste incineration, the benefits of the waste incineration industry are improved, waste incineration projects are widely distributed, the hydrogen energy transportation cost can be reduced, oxygen-enriched combustion is conducted through oxygen generated in the hydrogen production process, the waste incineration heat efficiency and the incineration temperature are improved, and generation of dioxin is reduced.

Description

technical field [0001] The invention belongs to the technical field of power generation, and in particular relates to an oxygen-enriched waste incineration power generation system. Background technique [0002] Garbage incineration is a harmless, reducing, and resourceful treatment method, which has been vigorously developed in our country. At present, the proportion of domestic waste incineration planning in my country has reached more than 50% of the domestic waste removal volume, and basically every county and city has independent waste incineration facilities. Waste incineration produces a certain amount of energy, which is generally generated through waste heat boiler + steam generator set and sold online. Domestic waste, as a renewable energy source, generates clean electricity and contributes to carbon dioxide emission reduction. With the reduction of national subsidies for waste incineration, the profitability of waste incineration enterprises has declined. It is n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G5/02F23G5/44F23G5/46F23L7/00F22B1/18F01D15/10C25B1/04C25B9/65
CPCF23G5/02F23G5/44F23G5/46F23L7/007F22B1/18F01D15/10C25B1/04C25B9/65F23G2206/203Y02E20/12Y02E20/34Y02E60/36Y02P20/10Y02P20/129
Inventor 沈宏伟吴穹郭无双钱琨徐丽婷侯霞丽王丽霞
Owner EVERBRIGHT ENVIRONMENTAL TECH CHINA CO LTD