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Air distribution method of biomass combustor

A technology of biomass energy and combustion machine, which is applied in the direction of combustion method, safety device of combustion chamber, cleaning method using gas flow, etc. It can solve the problem of increasing the workload of cleaning heat exchangers, increasing the risk of returning smoke and returning fire, PM2. 5 increase and other issues to achieve the effect of reducing the workload of cleaning dust, reducing the risk of returning smoke and tempering, and reducing the content of PM2.5

Inactive Publication Date: 2020-11-20
云南中海路德清洁技术有限公司
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Problems solved by technology

[0002] With the vigorous promotion of biomass energy in the tobacco industry, various biomass burners with different structures are used, and the air distribution methods of biomass burners are also varied. However, due to the high ash content of biomass particles, the combustion will Dust is generated, and the dust entering the heat exchanger will reduce the heat exchange efficiency, increase the workload of cleaning the heat exchanger, and increase the risk of backfire due to blockage of the heat exchanger. In addition, the dust enters through the chimney Atmosphere, will lead to atmospheric dust pollution, PM2.5 increase

Method used

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  • Air distribution method of biomass combustor

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Embodiment

[0023] Such as figure 1 In the air distribution method of the biomass burner shown, the spiral wind is formed after the intersection of the vertical airflow and the horizontal airflow, and then the spiral wind gradually decreases through the air volume and wind speed in the boiler, so as to carry out the four sedimentation of the dust particles, which includes the following step:

[0024] S1. The horizontal wind is blown out from the front end of the furnace chamber through the air distribution box, as a power source and auxiliary combustion. The longitudinal wind enters the furnace chamber through the air distribution box, between the inner and outer walls of the furnace chamber, and through the combustion-supporting air holes on the inner cavity wall. , is the main source of oxygen required for combustion, the main combustion air, and the transverse wind is located in the upper part of the longitudinal wind, where the longitudinal wind velocity V1, pressure P1, transverse wi...

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Abstract

The invention relates to the technical field of curing devices of flue-cured tobacco, in particular to an air distribution method of a biomass combustor. According to the air distribution method, after longitudinal air flow and transverse air flow converge, cyclone is formed, and through gradual progressive decrease of the blowing rate and wind speed of the cyclone in a boiler, settling of dust particles is conducted four times. The air distribution method of the biomass combustor aims to overcome the defects of the prior art and is reliable in performance, and the air distribution method of the biomass combustor improves the combustion efficiency of biomass particles and the thermal efficiency of a heat exchanger, also reduces the ash removal workload of the heat exchanger, and reduces dust in tail gas emission.

Description

technical field [0001] The patent of the present invention relates to the technical field of flue-cured tobacco drying equipment, in particular to an air distribution method for a biomass burner. Background technique [0002] With the vigorous promotion of biomass energy in the tobacco industry, various biomass burners with different structures are used, and the air distribution methods of biomass burners are also various. However, due to the high ash content of biomass particles, the combustion will Dust is generated, and the dust entering the heat exchanger will reduce the heat exchange efficiency, increase the workload of cleaning the heat exchanger, and increase the risk of backfire due to blockage of the heat exchanger. In addition, the dust enters through the chimney Atmosphere, will lead to atmospheric dust pollution, PM2.5 increase. Therefore, reasonable air distribution is very important to improve heat exchange efficiency, save fuel, reduce baking costs, reduce th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C7/00F23J15/00F23M11/00F23N3/00B01D45/02B08B5/02
CPCF23C7/002B01D45/02B08B5/02F23M11/00F23J15/006F23N3/00
Inventor 陈伟杨涛张荣辉
Owner 云南中海路德清洁技术有限公司
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