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Gasification furnace combining fixed bed and fluidized bed and gas production system

A fluidized bed and fixed bed technology, applied in gasification process, granular/powdered fuel gasification, chemical industry, etc., can solve problems that threaten transportation production, life safety, waste of biomass resources, damage to soil structure, etc. , to achieve the effects of high comprehensive energy utilization, land saving, and low system operating costs

Pending Publication Date: 2018-07-17
赵升智 +1
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, about 33-40% of them are abandoned in the field or burned in the open air, which not only causes a serious waste of biomass resources, destroys the soil structure, reduces production capacity, but also causes serious environmental pollution, threatening transportation and people. production and life safety

Method used

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  • Gasification furnace combining fixed bed and fluidized bed and gas production system
  • Gasification furnace combining fixed bed and fluidized bed and gas production system
  • Gasification furnace combining fixed bed and fluidized bed and gas production system

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] see Figure 1 to Figure 2 , the technical solution of the present invention:

[0033] A gasifier combined with a fixed bed and a fluidized bed, including a furnace body 5 for gasifying biomass raw materials, and a feed inlet for facilitating the entry of biomass materials is arranged on the top of the furnace body 5, and the furnace body 5 A radiant tube burner 6 for heating and gasifying biomass materials is installed in the middle of the furnace body...

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Abstract

The invention provides a gasification furnace combining a fixed bed and a fluidized bed and a gas production system. The gas production system comprises a gas-making furnace, wherein a steam distributor, a furnace grate and a fuel gas suction device are respectively installed from the top to the bottom in the furnace body of the gas-making furnace, the fuel gas suction device of the gas-making furnace is connected to a residual heat boiler for supplying steam to the gas-making furnace through a high temperature fuel gas pipeline, and the residual heat boiler is connected through a high temperature fuel gas pipeline to a heat exchanger for cooling a high temperature fuel gas. The heat exchanger is connected through a low temperature fuel gas pipeline to a bag dust remover for removing dustfrom the fuel gas cooled by the heat exchanger, and the fuel gas with the dust removed by the bag dust remover is compressed and stored in a fuel gas storage tank by a fuel gas press machine, a heat accumulating type radiant tube burner is used, the comprehensive thermal efficiency is up to 90%, and the smoke exhaust temperature of the heat accumulating type radiant tube burner can be controlled below 150 DEG C. The process is simple and flexible to control.

Description

technical field [0001] The invention relates to a gas-making furnace and a gas-making system, in particular to a gasification furnace and a gas-making system combined with a fixed bed and a fluidized bed. The object of gasification is carbon-containing biomass: coal, garbage, etc. Background technique [0002] Biomass resources have the characteristics of a wide range of sources, easy centralized treatment, low pollution, and renewable, and have great application potential. According to statistics, my country's crop straw alone has a total resource of more than 700 million tons. However, about 33-40% of them are abandoned in the field or burned in the open air, which not only causes a serious waste of biomass resources, destroys the soil structure, reduces production capacity, but also causes serious environmental pollution, threatening transportation and people. production and life safety. Making these waste biomass resources into coal gas through biomass gasification te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/20C10J3/56C10J3/72
CPCC10J3/20C10J3/56C10J3/721C10J2300/0916Y02P20/10Y02P20/145
Inventor 赵升智冯连群
Owner 赵升智
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