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Method for producing water gas by utilizing residues generated after thermal decomposition treatment on household garbage

A domestic garbage and water production technology, applied in the manufacture of combustible gas, petroleum industry, etc., can solve the problems of difficult inspection of surface properties, different particle degrees, complex components, etc., and achieve low requirements for equipment investment funds, simple production process, The effect of high calorific value

Inactive Publication Date: 2013-04-17
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the first two, there are good applications at present, but for the solid residue, because of its complex composition, it contains C, O, N, S, Si, Fe and other elements, and mostly exists as inert components (such as glass , silicon oxide, etc.), the particle size is different, and the surface properties are difficult to inspect. There has been no effective way to use the valuable materials in them, so they can only be piled up, which not only takes up a lot of space, but also causes a certain amount of dust pollution

Method used

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  • Method for producing water gas by utilizing residues generated after thermal decomposition treatment on household garbage
  • Method for producing water gas by utilizing residues generated after thermal decomposition treatment on household garbage
  • Method for producing water gas by utilizing residues generated after thermal decomposition treatment on household garbage

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Embodiment 1

[0022] 1) Crushing the residue after pyrolysis of garbage. Remove large particles of non-combustibles, such as stones, glass blocks, etc. The solid product is crushed to a particle size of about 0.5mm by a fine crusher, washed with water and dried at 50°C.

[0023] 2) Pretreatment of solid products. Put 2 g of the solid product into a porcelain boat and send it into a high-temperature-resistant quartz glass tube. Seal both ends of the quartz glass tube with sealing rings, pass in argon gas, and form an inert state in the cavity of the quartz glass tube. Use a tube furnace to heat to 900 ° C for 1 hour. After cooling down to room temperature, take it out and weigh it.

[0024] 3) Prepare water gas. Put the pretreated residue into the quartz glass tube, put 10mL of water into the porcelain boat and put it into the quartz glass tube, seal the two ends of the quartz glass tube with sealing rings, and let argon gas flow into the cavity of the quartz glass tube. To form an inert...

Embodiment 2

[0029] 1) The residue after garbage pyrolysis is crushed. Remove large particles of non-combustibles, such as stones, glass blocks, etc., use a fine crusher to crush the solid product to a particle size of about 0.5mm, wash it with water, and dry it at 50°C.

[0030] 2) Pretreatment of solid products. Put 2 g of the solid product into a porcelain boat, put it into a high-temperature-resistant quartz glass tube, seal both ends of the quartz glass tube with sealing rings, pass in argon gas, and form an inert state in the cavity of the quartz glass tube, and heat it with a tube furnace to 700°C for 2 hours, then lowered to room temperature, taken out and weighed.

[0031] 3) Prepare water gas. Put the pretreated residue into the quartz glass tube, put 10mL of water into the porcelain boat and put it into the quartz glass tube, seal the two ends of the quartz glass tube with sealing rings, and let argon gas flow into the cavity of the quartz glass tube. To form an inert state, ...

Embodiment 3

[0035] 1) The residue after garbage pyrolysis is crushed. Remove large particles of non-combustibles, such as stones, glass blocks, etc., use a fine crusher to crush the solid product to a particle size of about 0.5mm, wash it with water, and dry it at 50°C.

[0036] 2) Pretreatment of solid products. Put 2 g of the solid product into a porcelain boat and send it into a high-temperature-resistant quartz glass tube. Seal the two ends of the quartz glass tube with sealing rings, pass in argon gas, and form an inert state in the cavity of the quartz glass tube, heat it to 1000°C in a tube furnace for 0.5h, then cool it down to room temperature, take it out, and weigh it.

[0037] 3) Prepare water gas. Put the pretreated residue into the quartz glass tube, put 10mL of water into the porcelain boat and put it into the quartz glass tube, seal the two ends of the quartz glass tube with sealing rings, and let argon gas flow into the cavity of the quartz glass tube. To form an inert...

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Abstract

The invention relates to a method for producing water gas by utilizing residues generated after thermal decomposition treatment on household garbage, relating to a production method of water gas. The invention provides a method for producing water gas by utilizing residues generated after thermal decomposition treatment on household garbage, the yield and heat value of the water gas obtained by the method are high, and the method can fully use the residues generated after thermal decomposition treatment on household garbage and has the advantages of simple production equipment, short production time and clean production process. The method comprises the following steps of: removing large granular noncombustible such as stone, glass blocks and the like by using a separating screen, crushing solid products by using a fine crusher, washing with water and drying to obtain residues; placing the residues into a porcelain boat and feeding into a quartz tube, sealing two ends of the quartz tube with sealing rings, introducing insert gas and heating, then cooling and taking out; separately loading the residues and water in the porcelain boat and feeding to the quartz tube together, sealingthe two ends of the quartz tube with the sealing rings, introducing inert gas and heating for carrying out water gas reaction and finally collecting the water gas.

Description

technical field [0001] The invention relates to a method for producing water gas, in particular to a method for producing water gas by using the residue after domestic garbage pyrolysis treatment as raw material. Background technique [0002] With the development of society and economy, the population has increased significantly, and the amount of domestic waste has doubled. Garbage breeding has become another major environmental protection problem after the three wastes discharged by energy, transportation, and industry. Due to the limitation of technical level, the industrialization level of domestic waste treatment is very low. Everywhere is hoping to find a more efficient and economical solution to this vexing problem than the current methods of landfilling, composting and incinerating. Domestic waste pyrolysis technology came into being. Under anaerobic or hypoxic conditions, waste is decomposed by heat to produce products in three states: gas, liquid, and solid. The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/60
Inventor 黄荣彬李悦田成波方晓亮谢素原郑兰荪
Owner XIAMEN UNIV