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Pyrolysis gasification process

A pyrolysis gasification and process technology, applied in chemical instruments and methods, solid waste removal, transportation and packaging, etc. The effect of shortening treatment cycle, reducing treatment cost and low ash content

Inactive Publication Date: 2019-03-29
上海九泽环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a pyrolysis gasification process in order to overcome the defects in the prior art that the pollution of the garbage to the environment is becoming more and more serious, and it is impossible to realize harmless, reduction, and resourceful treatment of garbage

Method used

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  • Pyrolysis gasification process

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Experimental program
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Effect test

Embodiment 1

[0035] Embodiment 1 pyrolysis gasification process comprises the following steps:

[0036] (1) Pyrolysis and gasification: Place the garbage of the day on the horizontal support plate 12 of the pyrolysis and gasification furnace 1, ignite it with 100Kg dry wood, and react at a high temperature of 1600°C for 50 minutes under negative oxygen conditions to produce a combustible mixture Gas and waste slag, the waste slag is gradually discharged from the reaction system by repeatedly supporting rod feeders (14, 15), and the waste slag is gradually discharged from the reaction system but the height of the remaining waste slag in the reaction system should always be maintained at 80cm. Screw 16 discharges the waste slag discharged from the pyrolysis gasifier 1;

[0037] (2) Gas purification: the combustible gas mixture enters the gas purifier for purification;

[0038] (3) Storage: store the purified combustible gas mixture in a gas cabinet;

[0039] (4) Power generation: transport...

Embodiment 2

[0040] Embodiment 2 pyrolysis gasification process comprises the following steps:

[0041] (1) Pyrolysis and gasification: Place the garbage of the day on the horizontal support plate 12 of the pyrolysis gasification furnace 1, ignite it with 100Kg dry wood, and then pyrolysis and gasification at a temperature of 1000°C under negative oxygen conditions React at high temperature in furnace 1 for 50 minutes to produce combustible mixed gas and waste slag. The waste slag is gradually discharged from the reaction system through the repeated supporting bar feeder (14, 15), but the height of the remaining waste slag in the reaction system should always be maintained at 70cm , the discharged waste residue is discharged from the pyrolysis gasifier 1 through the stirring screw 16;

[0042] (2) Gas purification: the combustible gas mixture enters the gas purifier for purification;

[0043] (3) Storage: store the purified combustible gas mixture in a gas cabinet;

[0044] (4) Power gener...

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Abstract

The invention discloses a pyrolysis gasification process. The pyrolysis gasification process comprises the steps that under a negative oxygen condition, trash is subjected to a high-temperature reaction in a pyrolysis gasification furnace at the temperature of 1,000-1,600 DEG C for 50 minutes or longer, burning mixed gas and waste residue are generated, the waste residue is discharged out of a reaction system in the process of the high-temperature reaction, but the height of the waste residue left in the reaction system is kept at 70 cm or above all the time; and the burning mixed gas is fed into a gas purifier to be purified. By means of the pyrolysis gasification process, the trash can be treated at the same day, the possibility of soil pollution, water pollution and air pollution is greatly reduced, and harmless, reduction and resourceful trash treatment is achieved.

Description

technical field [0001] The invention relates to the field of garbage treatment, in particular to a pyrolysis gasification process. Background technique [0002] With the development of the national economy, the acceleration of urban construction, the growth of population and the improvement of people's living standards, the output of urban waste has shown a trend of rapid growth and has become a major burden on the city. [0003] The composition of garbage is complex, and organic, inorganic, water, etc. are mixed together. At present, the basic methods of urban waste disposal in various countries in the world mainly include: landfill method, incineration method and composting method. Among them, the landfill method does not meet the requirements of environmental protection on the one hand, and it is easy to cause secondary pollution. On the other hand, this simple garbage dump occupies a large area of ​​land, which is contrary to the sustainable development strategy of urba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00
CPCB09B3/40
Inventor 肖雯雯雷泽兴林木生
Owner 上海九泽环保科技有限公司