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A novel pyrolysis gasification furnace for organic solid waste

A technology of pyrolysis and gasification of organic solid waste, applied in fixed bed gasification, incinerator, gasification process, etc., can solve the problems of combustible gas containing a large amount of tar, low gasification efficiency, uneven gasification, etc., to achieve Effects of improving energy utilization, reducing tar concentration, and increasing collision frequency

Pending Publication Date: 2019-11-12
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The purpose of the present invention is to provide a new type of organic solid waste pyrolysis gasification furnace, which solves the problems of uneven gasification, low gasification efficiency, and a large amount of tar in the combustible gas in the pyrolysis gasification process of organic solid waste in the prior art. It solves the problem that the water washing method at the back end of the gas flue to remove tar will only easily cause water pollution and waste of energy

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  • A novel pyrolysis gasification furnace for organic solid waste
  • A novel pyrolysis gasification furnace for organic solid waste
  • A novel pyrolysis gasification furnace for organic solid waste

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Embodiment 1

[0026] figure 1 A new type of organic solid waste pyrolysis gasification furnace is shown, the gasification furnace includes a furnace top 3, an upper furnace body 7, a lower furnace body 11, a multi-rotating water-cooled grate 9, and a slag outlet 10 from top to bottom. The interior of the furnace roof 3, upper furnace body 7 and lower furnace body 11 is filled with refractory bricks and refractory materials, and the refractoriness is controlled at about 1200°C; the furnace roof is provided with a feeding port, an observation port and an atomized spray structure, , the atomizing spray structure includes 6 atomizing spraying devices 4 uniformly distributed on the furnace top, all of which are supplied with water by a circulating water pump, and each atomizing spraying device 4 is equipped with a nozzle and a pneumatic valve, and each atomizing spraying device 4 is equipped with a nozzle and a pneumatic valve. The spraying device is independently controlled by a pneumatic valve...

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Abstract

The invention discloses a novel pyrolysis gasification furnace for organic solid waste. The furnace includes, in order from top to bottom, a furnace top, an upper furnace body, a lower furnace body, amulti-rotating water-cooled grate, and a slag discharge port, wherein the furnace top is provided with a feeding port and an atomizing spray structure; an upper side wall of the upper furnace body isprovided with an explosion-proof door, and the other side is provided with a gas outlet; the gas outlet is communicated with a cyclone separator; purified combustible gas is discharged from a purified gas outlet at the upper end of the cyclone separator; water separated by the cyclone separator is circulated to the atomizing spray structure and sprayed into the gasification furnace; and the sidewall of the lower furnace body is provided with a gas inlet, a multi-point multi-angle gas feeding structure and a gas outlet. The furnace has a simple structure, solves the problem that organic solidwaste gasification processes in the prior art are uneven in gasification, low in gasification efficiency, and high in tar content of combustible gas, and solves the problem that a water washing method which is adopted to remove tar oil at the rear end of a gas flue causes water pollution and waste of energy.

Description

Technical field: [0001] The invention relates to a novel organic solid waste pyrolysis gasification furnace. Background technique: [0002] Organic solid waste mainly includes domestic garbage, the organic part of industrial waste, and agricultural straw. How to realize "reduction, harmlessness, and recycling" of organic solid waste is an urgent problem to be solved. At present, organic solid waste is mainly treated by sanitary landfill and heat treatment. Sanitary landfill needs to occupy a large amount of land resources, and will also cause great pollution to the surrounding environment. The heat treatment method has gradually become one of the main treatment methods in large, medium and small cities. The heat treatment methods mainly include direct incineration and pyrolysis gasification. The incineration method meets the characteristics of reduction, harmlessness and resource utilization, but the incineration process will A large amount of pollutants are produced, and i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/20C10J3/42C10J3/72C10J3/74C10J3/84
CPCC10J3/20C10J3/42C10J3/72C10J3/74C10J3/84C10J2300/0946C10J2300/092C10J2300/1807C10J2200/152Y02P20/10F23G5/027F23G5/24F23G5/34F23G5/44F23G2200/00Y02W30/20F23G2207/50B09B3/40
Inventor 房科靖熊祖鸿李继青鲁敏黎涛
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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