Composite garbage pyrolyzing furnace

Abstract

The invention relates to a composite garbage pyrolyzing furnace which comprises a furnace body, a material processing cavity is formed in the furnace body, and a feeding port communicated with the material processing cavity is formed in the upper portion of the furnace body; the gas taking device is arranged in the furnace body and used for collecting garbage pyrolysis gas, the gas taking device is provided with a conical top surface and a gas taking port located in the inner wall of the conical top surface, and the conical top surface is used for guiding garbage materials to be distributed towards the inner circumferential wall of the furnace body; and the pipe assembly is arranged in the furnace body, a secondary combustion chamber is formed in the pipe assembly, one end of the secondary combustion chamber communicates with the gas taking opening, and the other end of the secondary combustion chamber extends out of the furnace body and is used for circulation of garbage pyrolysis gas. According to the composite garbage pyrolyzing furnace, garbage can be uniformly distributed in the furnace body, the garbage and tar generated after pyrolysis of the garbage are prevented from blocking the gas taking device, the tar is cracked, the solidification phenomenon is avoided, combustible components of the garbage are sufficient in the pyrolysis process, the garbage can be combusted, and the temperature required by dioxin cracking is maintained through combustion.

Description

technical field [0001] The invention relates to the technical field of garbage disposal, in particular to a composite garbage pyrolysis furnace. Background technique [0002] In recent years, with the development of Chinese society, the urbanization process and the pace of new rural construction have been accelerated, and the urban and rural population has become more and more densely populated. It has the characteristics of large amount of garbage, complex types of garbage, and pollution, which makes it difficult to deal with. The existing small garbage pyrolysis device for the treatment of garbage below 20 tons generally consists of a garbage drying pretreatment device, a feeding device, a garbage pyrolysis furnace, a secondary combustion device, an exhaust gas treatment device, and a drying odor treatment device. The resulting flue gas has a high tar content, and the incineration of waste is an important means of reducing and harmless treatment. However, the existing pyr...

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned technical deficiencies, and propose a composite garbage pyrolysis furnace, which solves the problem that garbage and tar are easy to block the smoke pipe during the pyrolysis process of garbage in the prior art, and the tar is easy to solidify, and the pyrolysis gas is combustible. Insufficient, unable to burn or the degree of burning is not enough to maintain the temperature above 850°C required for cracking dioxins, uneven distribution of garbage inside the pyrolysis furnace and technical problems that easily cause secondary pollution due to tar treatment

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