Micro-oil ignition burner

A technology for igniting a burner and a small amount of oil, which is applied to burners, burners for burning powder fuel, and combustion methods, etc. problems, to achieve the effect of wide adaptability of coal types, high cost performance, moderate investment and operating costs
CN102444890AActive Publication Date: 2012-05-09SHANGHAI BOILER WORKS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI BOILER WORKS
Publication Date
2012-05-09

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Abstract

The invention discloses a micro-oil ignition burner, comprising a small micro-oil-gasification oil gun and a burner, wherein the burner internally comprises at least one coaxial or non-coaxial sleeve, two oxygen guiding pipes are installed in the burner, one oxygen guiding pipe is installed on the inner wall of the sleeve facing the direction of air flow of pulverized coal, the other oxygen guiding pipe is installed on the inner wall of the burner, oxygen can enter the burner and the annular space of the sleeve through the oxygen guiding pipes, and oxygen-rich zones are formed in the burner and the flowing space of the air flow of the pulverized coal in the boiler so as to enhance the burning of the air flow of the pulverized coal.
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Description

technical field

[0001] The invention belongs to the field of thermal boilers, and relates to boiler accessories, in particular to an ignition burner with a small amount of oil. Background technique

[0002] The traditional way of igniting boilers in power plants is oil gun ignition. When the boiler is ignited, the fuel gun is first lit. After the oil burns in the furnace for a certain period of time, the furnace is heated to the ignition temperature of the pulverized coal flow. At this time, the pulverized coal is blown into the furnace for mixed combustion of oil and coal. When the load of the boiler reaches more than 50% and the pulverized coal flow can burn stably, the fuel oil is gradually cut off to complete the ignition and start-up process of the boiler. In order to save costs and reduce the fuel oil consumption of power plant boilers, many domestic companies have developed micro-fuel ignition technology, which has been widely used in many power plant boilers. [00...

Claims

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