Fluidized bed pyrolysis gasification device by adopting biomass gas recirculation process

A biomass gas, fluidized bed gasifier technology, which is applied in the gasification process, the manufacture of combustible gas, the petroleum industry, etc. The effect of reducing volatile matter and carbon residue, and small section

Inactive Publication Date: 2017-05-31
广东国能中林实业有限公司
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Problems solved by technology

At this time, the biomass material is prone to compaction or coking

Method used

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  • Fluidized bed pyrolysis gasification device by adopting biomass gas recirculation process

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing, invention is described in further detail.

[0018] like figure 1As shown, a fluidized bed pyrolysis gasification device adopting a biomass gas recirculation process includes a fluidized bed gasification furnace body 01, a gasification gasification furnace provided on the bottom end of the fluidized bed gasification furnace body 01 agent supply structure 02 and the anti-leakage feed structure 03 provided on the side of the fluidized bed gasifier body 01, and the biomass gas circulation structure 04 provided on the fluidized bed gasifier body 01; The bed gasifier body 01 includes a cone heating section 11, a pyrolysis section 12 provided on the cone heating section 11, a cone diffuser section 13 provided on the pyrolysis section 12, and a cone diffuser section The settling section 14 is provided on the pressure section 13 . The gasification agent supply structure 02 includes an equal pressure air box 21 communicated with t...

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Abstract

The invention discloses a fluidized bed pyrolysis gasification device by adopting a biomass gas recirculation process. The device comprises a fluidized bed gasifying furnace body, and a gasifying agent supply structure, an anti-leakage type feeding structure and a biomass gas circulating structure which are formed in the bottom end of the fluidized bed gasifying furnace body. The fluidized bed gasifying furnace body comprises a conical heating section, a pyrolysis section, a conical diffusion section and a settling section. The gasifying agent supply structure comprises an isobaric air bellow, an air distributor, and a cap arranged on the isobaric air bellow; the biomass gas circulating structure comprises a high-temperature exhaust duct, a dust exhaust fan, an air inlet pipeline and an injection pipe; the high-temperature exhaust duct is formed in the conical diffusion section and is communicated with the upper part of the conical diffusion section; the dust exhaust fan is arranged on the high-temperature exhaust duct; the air inlet pipeline is arranged on the dust exhaust fan and is communicated with the upper part of the conical heating section; and the injection pipe is arranged on the end of the air inlet pipeline and extends into the conical heating section. The device disclosed by the invention has the advantages of high adaptability, high efficiency, energy conservation, flexible operation and simple structure.

Description

technical field [0001] The invention belongs to the technical field of biomass thermochemical equipment, in particular to a biomass pyrolysis gasification device with a fluidized bed structure using a biomass gas recirculation process. Background technique [0002] In recent years, while our country has achieved great development that has attracted worldwide attention, it is also facing some severe challenges, especially environmental issues and energy issues, which have gradually become important constraints to economic and social development. In this regard, the Chinese government has increased its support for environmental protection and the promotion of new energy, and has successively proposed concepts such as energy conservation and environmental protection, circular economy, clean production, conservation-oriented society, new energy, and renewable energy. A series of industry-oriented measures have been introduced in many aspects such as standards, finance, and indus...

Claims

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Application Information

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IPC IPC(8): C10J3/58C10J3/84
CPCC10J3/58C10J3/84C10J2300/1603Y02P20/10
Inventor 林进猛姜辉胡洪王源艺蒋彪
Owner 广东国能中林实业有限公司
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