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Household garbage clean gasification power generation method and device

A domestic waste and waste-to-energy technology, which is applied in fixed bed gasification, chemical industry, and the manufacture of combustible gas, etc., can solve the problems of limited gas volume and inapplicability to complex types of domestic waste, so as to save energy and improve energy conversion Efficiency, the effect of simple processing technology

Active Publication Date: 2021-12-03
北京市新科中电清洁能源技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] CN111321011A provides a system and method for decomposing and gasifying organic waste to replace sanitary landfill and waste incineration. Although it is very environmentally friendly, it is only limited to organic waste, and the amount of gas that can be used for power generation is very limited. Suitable for processing complex types of domestic waste

Method used

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  • Household garbage clean gasification power generation method and device
  • Household garbage clean gasification power generation method and device

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Experimental program
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Effect test

Embodiment 1

[0046] Embodiment 1 of the present invention: a method for generating electricity by clean gasification of domestic waste, comprising the following steps:

[0047] S1, Garbage pretreatment: transport the raw garbage to the garbage pretreatment system 1, and separate the raw garbage into dry garbage and wet garbage;

[0048] S2, garbage gasification: the separated dry garbage is transported to the garbage gasification system 2 for gasification treatment, and the dry garbage is gasified to produce synthesis gas and ash;

[0049] S3, waste-to-energy: the gasification synthesis gas is transported to the waste-to-energy system 3 for power generation;

[0050] S4, ash melting: the ash generated after garbage gasification is transported to the ash melting system 4 for ash treatment.

Embodiment 2

[0051] Embodiment 2 of the present invention: a method for generating electricity by clean gasification of domestic waste, comprising the following steps:

[0052] S1, Garbage pretreatment: transport the raw garbage to the garbage pretreatment system 1, and separate the raw garbage into dry garbage and wet garbage;

[0053] S2, garbage gasification: the separated dry garbage is transported to the garbage gasification system 2 for gasification treatment, and the dry garbage is gasified to produce synthesis gas and ash;

[0054] S3, waste-to-energy: the gasification synthesis gas is transported to the waste-to-energy system 3 for power generation;

[0055] S4, ash melting: the ash generated after garbage gasification is transported to the ash melting system 4 for ash treatment;

[0056] S5, low-temperature waste heat power generation: the synthetic gas produced by the waste gasification system 2 and the water vapor generated by the cooling of the high-temperature flue gas produ...

Embodiment 3

[0058] Embodiment 3 of the present invention: a method for generating electricity by clean gasification of domestic waste, comprising the following steps:

[0059] S1, Garbage pretreatment: transport the raw garbage to the garbage pretreatment system 1, separate the raw garbage into dry garbage and wet garbage; transport the raw garbage to the crusher 6 for crushing, and send the crushed raw garbage to the dry and wet separation Machine 7 performs dry-wet separation, and separates raw garbage into dry garbage and wet garbage. The dry garbage is transported to the garbage gasification system 2 through the transportation device 8 for gasification treatment, and the wet garbage enters the wet garbage anaerobic treatment system 9 through the pipeline for treatment. Anaerobic fermentation treatment;

[0060] S2, garbage gasification: the separated dry garbage is transported to the garbage gasification system 2 for gasification treatment, and the dry garbage is gasified to produce s...

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Abstract

The invention discloses a household garbage clean gasification power generation method which comprises the following steps: garbage pretreatment: conveying raw garbage to a garbage pretreatment system, and separating the raw garbage into dry garbage and wet garbage; garbage gasification: conveying the separated dry garbage into a garbage gasification system for gasification treatment, and gasifying the dry garbage to generate synthesis gas and ash; garbage power generation: conveying the gasified synthesis gas into a garbage power generation system for power generation; and ash melting: conveying the ash an ash melting system for ash treatment. The invention further discloses a household garbage clean gasification power generation device. The system is suitable for county-level cities with low household garbage treatment capacity, can treat household garbage of complex types, saves energy, improves efficiency and reduces the overall cost.

Description

technical field [0001] The invention relates to a clean gasification power generation method of domestic garbage and a device thereof, belonging to the technical field of clean power generation. Background technique [0002] At present, the main methods of harmless disposal of domestic waste in my country are sanitary landfill and incineration for power generation. Due to reasons such as waste of land resources, polluted soil, and groundwater in sanitary landfills, the Chinese government and competent authorities at all levels require that the proportion of sanitary landfills be gradually reduced, and ultimately achieve the goal of zero landfill of primary waste. Therefore, counties with a population of more than 800,000 in my country Most of the high-level cities have adopted the disposal method of incineration for power generation. [0003] The existing waste-to-energy technology is suitable for areas with a high scale of domestic waste treatment, mainly because there is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B09B5/00C10J3/02C10J3/72
CPCB09B3/00B09B5/00C10J3/02C10J3/72Y02P20/10Y02P20/129
Inventor 贠小银郑振华韩仁厚
Owner 北京市新科中电清洁能源技术有限公司
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