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Porous biomass gas low-nitrogen combustor

A biomass gas and low-nitrogen burner technology, applied in the direction of gas fuel burners, burners, combustion methods, etc., can solve the problems of insufficient combustion of gas, large safety hazards, and insufficient mixing, so as to improve the utilization rate, Emission reduction and sufficient pre-mixing effect

Pending Publication Date: 2021-02-26
广州环渝能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing burners are separated from the gas pipeline and the air pipeline, such as crossed, the intersection is the intersection of the outlet of the gas pipeline and the outlet of the air pipeline, and the ignition head of the ignition gun is further arranged at the intersection. This kind of burner The structure is more complex, because gas and air are mixed at the intersection, it is prone to insufficient mixing, resulting in insufficient combustion of gas, resulting in waste of energy, and the safety hazard caused by insufficient combustion is great

Method used

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  • Porous biomass gas low-nitrogen combustor
  • Porous biomass gas low-nitrogen combustor
  • Porous biomass gas low-nitrogen combustor

Examples

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Embodiment

[0025] like Figure 1 to Figure 3 As shown, the porous biomass gas low-nitrogen burner shown in this embodiment includes a central air duct 1 and two gas channels 2 and auxiliary air ducts 3 arranged around the central air duct 1 from the inside to the outside. The central air duct 1 , the gas channel 2 and the auxiliary air channel 3, the outlets at the front ends of the three are flush, and the central air channel and the front part of the gas channel are provided with several air holes 4 that are evenly distributed and run through themselves, so that the central air channel, the gas channel It communicates with the front section of the auxiliary channel through air holes for the circulation of gas, thereby forming a premixing zone 5 at the front end of the gas channel, and setting the same axial length of the air holes in the central air channel and the gas channel, so that the air inside and outside Enter the gas channel for pre-mixing; the rear ends of the central air cha...

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Abstract

The invention discloses a porous biomass gas low-nitrogen combustor. The porous biomass gas low-nitrogen combustor comprises a central air channel, a gas channel and an auxiliary air channel, whereinthe gas channel and the auxiliary air channel are sequentially arranged around the central air channel from inside to outside; outlets in the front ends of the central air channel, the gas channel andthe auxiliary air channel are in flush with each other; a plurality of through air holes are formed in the peripheries of the front ends of the central air channel and the gas channel; and inlets arerespectively formed in the rear ends of the central air channel, the gas channel and the auxiliary air channel in a one-to-one correspondence manner. According to the porous biomass gas low-nitrogencombustor, air holes are formed in the gas channel and the central air channel, so that air and gas circulate in the combustor through the air holes so as to be premixed; the mixing degree of the gasand the air is improved; the utilization rates of the gas and the air are increased; emission of waste gas is reduced; and the overall structure is simple.

Description

technical field [0001] The invention belongs to the technical field of combustion equipment, and in particular relates to a porous biomass gas low-nitrogen burner. Background technique [0002] As the fourth largest energy source in the world, biomass energy accounts for about 14% of the total global energy consumption. Biomass energy has a wide range of sources, high volatile content, low ash content, and low sulfur content. Due to the growth environment absorbing CO 2 The amount is equivalent to the CO emitted by combustion 2 amount, so CO is realized in the energy conversion process 2 The net emission is close to zero, which is conducive to improving the greenhouse effect. It is of great significance to research and develop technologies for efficient utilization of biomass energy, to save conventional fossil energy, and to optimize the energy structure. Biomass gas is a combustible gas produced by gasification furnaces of crop straw and forestry waste. It is a way for...

Claims

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Application Information

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IPC IPC(8): F23D14/02F23D14/46F23D14/62F23D14/60
CPCF23D14/02F23D14/46F23D14/60F23D14/62
Inventor 马培碧陈建平
Owner 广州环渝能源科技有限公司
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