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Pyrolysis and vaporization treatment device for household garbage

A processing device and pyrolysis technology, which can be used in the details of gasification device, gasification process, petroleum industry, etc., and can solve problems such as tar and water vapor.

Inactive Publication Date: 2020-09-22
SHANGHAI WESTHOUSE SWITCHGEAR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to solve the technical problem of relatively high content of tar and water vapor in the flue gas in the existing biomass decomposition technology

Method used

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  • Pyrolysis and vaporization treatment device for household garbage
  • Pyrolysis and vaporization treatment device for household garbage

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Embodiment Construction

[0012] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0013] Such as figure 1 and figure 2 As shown, the pyrolysis and vaporization treatment device of domestic waste of the present invention includes a hopper 4, a screw conveyor 2, a pyrolysis and vaporization furnace 1, a gas-liquid separation device 5, and a cooling device. 2, the discharge port of the screw conveyor is located above the feed port, the discharge port of the screw conveyor 2 can reduce the water content of the discharge, and the discharge port of the screw conveyor is connected to the top of the pyrolysis gasification furnace. A feed valve 21 is arranged at the discharge port, and a stirring motor 11 is arranged on the top of the pyrolysis gasification furnace to stir the materials. Cylindrical chamber.

[0014] The principle of biomass gasification: the gasification process is mainly divided into four reaction zones from t...

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Abstract

The invention discloses a pyrolysis and vaporization treatment device for household garbage. The pyrolysis and vaporization treatment device comprises a hopper, a spiral conveyor, a pyrolysis vaporization furnace, a gas-liquid separation device and a cooling device, wherein the pyrolysis vaporization furnace comprises an outer shell; wherein a cylindrical cavity built by refractory bricks is arranged in the outer shell; an inverted-cone-shaped hopper is connected to the lower portion of the cylindrical cavity, a plurality of air outlet holes are formed in the side wall of the inverted-cone-shaped hopper, an air cavity is formed between the side wall of the inverted-cone-shaped hopper and the outer shell of the pyrolysis vaporization furnace, an exhaust port is formed in the air cavity, theexhaust port is connected with the gas-liquid separation device through a pipeline, and the cooling device is adopted to provide cooling water for the gas-liquid separation device. After entering a flue gas chamber through a gas inlet, waste flue gas is condensed into liquid after being cooled on the outer wall of a cooling water pipe, falls onto a lower-layer partition plate and is discharged through a waste liquid outlet. Waste gas with water mist and oil mist separated enters an inner cylinder body through a gas inlet in the inner cylinder body and is discharged from the exhaust port, andtherefore clean combustible gas is obtained.

Description

technical field [0001] The invention relates to the technical field of domestic waste treatment, in particular to a pyrolysis and vaporization treatment device for domestic waste. Background technique [0002] Utilizing incomplete combustion of materials, when the oxygen required for material combustion is only 25% to 30% of the oxygen consumption of complete combustion, the material will undergo gasification reaction, and at this time, combustible gases such as H2, CO, CH4 can be produced, After the material undergoes gasification reaction, charcoal is left. The materials can be wood chips, rice husks, orange stalks, waste plastics, domestic dry garbage and other solid wastes containing hydrocarbon molecules. [0003] The flue gas produced after combustion contains tar, fly ash and water vapor, so how to separate the flue gas to obtain relatively clean combustible gas is a technical problem to be studied by the present invention. Contents of the invention [0004] The t...

Claims

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Application Information

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IPC IPC(8): C10J3/66C10J3/72C10J3/74C10J3/84
CPCC10J3/66C10J3/721C10J3/723C10J3/725C10J3/74C10J3/84C10J2200/158C10J2300/0946C10J2300/1609
Inventor 包向前孟祥云
Owner SHANGHAI WESTHOUSE SWITCHGEAR