Method for producing gas by oxygen enrichment and thermolysis of organic solid wastes

A technology for organic solids and wastes, which is applied in the manufacture of combustible gases, granular/powdered fuel gasification, bulk chemical production, etc. It can solve the problems of low waste utilization efficiency, reduce secondary pollution, improve quality, The effect of less nitrogen oxides

Inactive Publication Date: 2011-09-28
揭阳市揭东区润丰生猪养殖专业合作社
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Problems solved by technology

At present, my country's waste utilization efficiency is still low, resulting in the loss of "renewable resources" reaching 30 to 40 billion per year, of which the loss caused by the unresourced treatment of urban waste is as high as 20 billion yuan, and among these solid wastes Most of the organic components (organic solid waste) can be used as r...

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  • Method for producing gas by oxygen enrichment and thermolysis of organic solid wastes
  • Method for producing gas by oxygen enrichment and thermolysis of organic solid wastes
  • Method for producing gas by oxygen enrichment and thermolysis of organic solid wastes

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Embodiment Construction

[0020] The following is combined with the implementation of the project (973 project of the Ministry of Science and Technology (2011CB201501); the 2010 Guangdong Province-Chinese Academy of Sciences comprehensive strategic cooperation project (2010A090100035); the important direction project of the Chinese Academy of Sciences Knowledge Innovation Project (KSCX2-EW-G-1-5)) The process is based on the data in the experimental process of the gasifier designed in the present invention and the specific implementation process to further describe the content of the present invention in detail.

[0021] Such as figure 2 As shown, the equipment used in this embodiment is mainly composed of a screw feeding device 1, a cover plate 2, a drying section 3, a pyrolysis gasification section 6, a support block 7, a fire grate 8, a catalytic reduction section ash chamber 10, and a cyclone dust collector 13 , alkaline spray chamber 15 and other devices to form a complete set of oxygen-enriched ...

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Abstract

The invention provides a method for producing gas by oxygen enrichment and thermolysis of organic solid wastes. The organic solid wastes take enriched oxygen and water vapor as gasified media in a gasification furnace; in the anoxic atmosphere, part of organic solid wastes are subjected to anoxic combustion to provide heat, wherein one part of heat is used as a hot source for generating water vapor and the other part of heat is used for gasifying residual substances to generate gasification gas; the gasification gas whirls in a high-temperature furnace body, stays for over 3s and can be used for effectively decomposing contaminants. The gasification gas is subjected to high-temperature catalytic reforming before entering a gasification gas outlet; alkaline matters are sprayed in a gasification gas outlet pipeline; and finally, the gasification gas enters a dust collector cyclone for desorbing solid particles. Compared with other thermal transition systems, the method can be used for realizing the secondary pollution-free emission, has high quality of converted products and a wide application prospect and is suitable for large-scale popularization and application.

Description

technical field [0001] The invention relates to the technical field of organic solid waste treatment, in particular to a method for producing gas by oxygen-enriched pyrolysis of organic solid waste. technical background [0002] Environmental issues are one of the important factors that determine human survival and development. Since the industrial revolution, the degree of industrialization in the world has been increasing day by day. With the development of production scale and society, a large amount of waste has been produced, especially in cities. Moreover, the urbanization of countries in the world is developing rapidly. In 2008, the urban population surpassed the rural population for the first time, reaching nearly 3.4 billion. The further increase of urban population density has led to an increasingly serious problem of urban solid waste. [0003] China is now the center of the world's manufacturing industry. The existing factories in the country are located in or ...

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Application Information

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IPC IPC(8): C10J3/46C10J3/84C10J3/72
CPCY02P20/52
Inventor 袁浩然陈勇熊祖鸿赵丹丹鲁涛黄宏宇小林敬幸
Owner 揭阳市揭东区润丰生猪养殖专业合作社
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