Method for promoting cracking of household garbage by using water vapor

A domestic garbage and water vapor technology, applied in the manufacture of combustible gas, solid waste removal, petroleum industry, etc., can solve the problems of reducing cracking efficiency, heat loss, etc., and achieve the effect of high hydrogen production rate

Inactive Publication Date: 2014-03-12
黄广禧
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  • Abstract
  • Description
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Problems solved by technology

Moreover, the temperature in the furnace is too high, which will lead to heat loss and reduce the efficiency of cracking.

Method used

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  • Method for promoting cracking of household garbage by using water vapor

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with accompanying drawing.

[0009] In the figure: domestic garbage 1, crushed and dried garbage 2, straw, garbage mixture 3, residue 4, gas-liquid mixture 5, waste liquid 6, concentrated waste liquid 7, gas 8, clean water 9, water vapor 10.

[0010] (1) Household waste is crushed and dried and mixed with straw, and the mixed material is sent to the cracking furnace for cracking;

[0011] (2) Spray water vapor into the furnace during the cracking process;

[0012] (3) The gas-liquid mixture produced during the cracking process passes through the spray purification device.

[0013]

[0014] 1. Domestic waste is recycled and crushed and dried. After drying and crushing, it is mixed with straw. The moisture content of the mixed material is reduced to 7%~10%, and the particle size is 1~5mm. It is sent into the cracking furnace through the material conveying system for cracking treatment. During the...

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Abstract

The invention provides a method for promoting cracking of household garbage by using water vapor, which belongs to the fields of renewable energy sources and environmental protection. The method comprises the following steps: (1) crushing and drying household garbage, then mixing the treated household garbage with straw, and delivering an obtained mixture into a cracking furnace for cracking; (2) spraying water vapor into the cracking furnace in the process of cracking; and (3) allowing a gas-liquid mixture produced in the process of cracking to pass through a spraying purification apparatus. With the method, combustible gas with a high calorific value can be prepared, material cracking temperature in the cracking furnace is effectively controlled, and energy loss is reduced.

Description

technical field [0001] The invention discloses a method for promoting domestic garbage cracking by utilizing water vapor, which belongs to the fields of renewable energy and environmental protection, and in particular relates to a garbage cracking method in which steam is sprayed during the cracking process. Background technique [0002] At present, there are very few studies on the spraying of water vapor in the process of domestic waste pyrolysis, because the composition of domestic waste is very complex, and it is very laborious to study. In some experiments on pyrolysis and gasification of domestic waste, only one or some representative components in the waste are cracked, and the classification policy of domestic waste is not yet mature, so it is relatively difficult to implement large-scale waste pyrolysis treatment. Difficult, so the relevant experiments are difficult to apply in practice. [0003] Adding water vapor during the pyrolysis process can obtain combustibl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/66C10J3/84B09B3/00
CPCY02P20/133Y02W30/20
Inventor 黄广禧李高奇周锐海陈明忠吴桂香
Owner 黄广禧
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