Composite biomass staged gasification furnace

A biomass and composite technology, applied in the field of gasifiers, can solve the problems of reduced service life of equipment, reduced gasification efficiency, increased risk, etc., to achieve the effects of protecting equipment, reducing tar and smoke content, and improving purification effect

Active Publication Date: 2019-11-22
HUNAN INSTITUTE OF ENGINEERING
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Problems solved by technology

[0003] When the existing biomass gasifier gasifies biomass, it will produce tar products. Tar has a special odor, is flammable and corrosive, so it can lead to a decrease in gasification efficiency, and it is h

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  • Composite biomass staged gasification furnace
  • Composite biomass staged gasification furnace
  • Composite biomass staged gasification furnace

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[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by workers of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0024] See Figure 1-4 , The present invention provides a technical solution: a composite biomass classification gasification furnace, comprising a furnace body 1, a grate 2 is fixed on the inner lower side wall of the furnace body 1, and the space below the grate 2 is a slag cavity, and An ash discharge port 5 is provided on the side wall of the furnace body 1 at a position corresponding to the slag cavity. A filter screen 3 is also f...

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Abstract

The invention relates to the technical field of gasification furnaces, and in particular to a composite biomass staged gasification furnace. The furnace comprises a furnace body; a fire grate is fixedon the side wall of the lower part in the furnace body; a space below the fire grate is a slag cavity; an ash discharge port is formed in the side wall of the furnace body corresponding to the slag cavity; a filter screen is also fixed on the inner wall of the furnace body; the filter screen is positioned above the fire grate; a fine filter is fixed to the top wall of the interior of the furnacebody, a feeding mechanism is fixed to the outer side of the furnace body, a primary filtering mechanism is fixed to the feeding mechanism and connected with the feeding mechanism through a feeding pipe, and the primary filtering mechanism is connected with the upper portion of the side wall of the furnace body and a fine filtering mechanism through a first air pipe and a second air pipe. Accordingto the composite biomass staged gasification furnace, the content of tar and smoke dust in fuel gas is greatly reduced, the fuel gas quality is improved, equipment is protected, the filtered tar is returned to the furnace again to be subjected to high-temperature cracking to generate small molecular fuel gas, then the fuel gas generation efficiency is improved again, and the tar generation amountis reduced.

Description

technical field [0001] The invention relates to the technical field of gasification furnaces, in particular to a composite biomass graded gasification furnace. Background technique [0002] my country is extremely rich in biomass energy resources. Biomass gasification technology is currently the most extensive technical means to utilize biomass energy. Using biomass fuel gasification to generate electricity can make full use of agricultural waste, save resources, and protect the ecological environment. [0003] When the existing biomass gasifier gasifies biomass, it will produce tar products. Tar has a special odor, is flammable and corrosive, so it can lead to a decrease in gasification efficiency, and it is harmful to gasification equipment and gas consumption. All equipment will have adverse effects, resulting in reduced equipment life and increased risk. In view of this, we propose a composite biomass grading gasifier. Contents of the invention [0004] The object of ...

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Application Information

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IPC IPC(8): C10J3/84C10J3/72C10J3/00
CPCC10J3/00C10J3/72C10J3/84
Inventor 刘波秦春莲陈波王明军
Owner HUNAN INSTITUTE OF ENGINEERING
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