Biomass gas combustion device used for industrial boiler

A biomass gas and combustion device technology, applied in gas fuel burners, burners, combustion methods, etc., can solve problems such as low power, poor stability, and insufficient combustion

Active Publication Date: 2014-10-01
GUANGDONG ZHENGPENG BIOMASS ENERGY TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional biomass gas is mostly used in combustion equipment with small scale, low power and low flame requirements. However, industrial boilers require high burner power, large output adjustability, good flame filling in the furnace, and no erosion of the flame diffusion diameter. Furnace wall, the exist

Method used

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  • Biomass gas combustion device used for industrial boiler
  • Biomass gas combustion device used for industrial boiler

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Embodiment Construction

[0013] refer to figure 1 and figure 2 , the present invention is a biomass gas combustion device for industrial boilers, comprising a primary air channel 10, a gas channel 20 and a secondary air channel 30 concentrically arranged from the inside to the outside, the primary air channel 10, the gas channel 20 and the secondary air channel 30 The end outlet of the air channel 30 is connected to each other, and the primary air channel 10 is provided with an ignition channel 40 extending out from the end outlet of the primary air channel 10. The end outlet of the primary air channel 10 contracts inward to form a first constricted section 11. On the section 11, a plurality of first flow channels 12 are evenly arranged along the circumferential direction to connect the primary air channel 10 with the gas channel 20. The end outlet of the primary air channel 10 is also provided with a primary air cyclone 13, and the end outlet of the gas channel 20 is: In the straight section 21, a ...

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Abstract

The invention discloses a biomass gas combustion device used for an industrial boiler. The biomass gas combustion device used for the industrial boiler comprises an ignition channel, a primary wind channel, a fuel gas channel and a secondary wind channel, all of which are arranged concentrically from inside to outside, wherein the tail-end outlet of the primary wind channel is shrunk inwards to form a first shrinkage section and is provided with multiple first flow channels; the tail-end outlet of the primary wind channel is also provided with a primary wind swirler; the tail-end outlet of the fuel gas channel is provided with multiple second flow channels; the tail-end outlet of the secondary wind channel is shrunk inwards to form a second shrinkage section; a secondary wind swirler is arranged in the secondary wind channel and near the second shrinkage section; the arrangement of the first flow channels and the second flow channels enables the air at the tail-end outlets to be more sufficiently mixed with the fuel gas and enables the combustion reaction to be more complete, so that the combustion efficiency is improved efficiently; meanwhile, the air after passing through the primary wind swirler and the secondary wind swirler forms a recirculation zone which can suck partial high-temperature smoke, so that stable combustion of the fuel gas is guaranteed.

Description

technical field [0001] The invention relates to the technical field of gas burners, in particular to a biomass gas combustion device for industrial boilers. Background technique [0002] Biomass gasification technology is one of the utilization technologies of biomass energy. Biomass gas is a low calorific value gas, and its quality varies with the components of the gas. Traditional biomass gas is mostly used in combustion equipment with small scale, low power and low flame requirements. However, industrial boilers require high burner power, large output adjustability, good flame filling in the furnace, and no erosion of the flame diffusion diameter. Furnace wall, the existing biomass gas burners on the market often have problems such as poor stability, insufficient combustion, and insufficient output. These problems are very unfavorable for the promotion and application of biomass gas in the field of industrial boilers. , Wide adjustment range and good stability of the b...

Claims

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Application Information

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IPC IPC(8): F23D14/02F23D14/70
Inventor 李振新李强苏德仁詹昊邓立新张大林
Owner GUANGDONG ZHENGPENG BIOMASS ENERGY TECH
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