pulverized coal burner

A pulverized coal burner and pulverized coal technology, applied in the direction of burners, burners burning powder fuel, combustion methods, etc., can solve problems such as difficult to achieve combustion state and environmental protection emission standards, achieve more complete combustion stability, improve The effect of burnout and simple structure

Inactive Publication Date: 2017-07-04
山东富海泰来新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above burners have their own advantages and disadvantages in actual use, and it is difficult to achieve the ideal combustion state and environmental protection emission standards

Method used

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  • pulverized coal burner
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Embodiment Construction

[0026] The present invention will be further described below in conjunction with accompanying drawing:

[0027] Such as figure 1 , figure 2 As shown, the pulverized coal burner comprises a pulverized coal raw material box 20, a screw feeder 21 and a blast feeding pipeline 22 arranged at the outlet bottom of the pulverized coal raw material box 20, and the blast feeding pipe is arranged at the bottom of the screw feeder 21 and Connect the discharge port of the screw feeder 21, the blast feed pipe is connected to the feed pipe 6 of the burner, and the pulverized coal raw material box 20 is filled with calcium oxide mixed, and the burner includes a feed mixer 1, a central wind Pipe 2, air inlet housing 3, stabilizer 4 and igniter 14, described feed mixer 1 includes cylindrical housing 5, feed pipe 6 and discharge pipe 7, cylindrical housing 5 includes cylinder Shaped side wall and two axial end faces of openings at both ends of the cylindrical side wall, the discharge pipe 7 i...

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Abstract

The invention discloses a pulverized coal burner. The pulverized coal burner comprises a feed mixer, a center wind pipe, a wind inlet shell, a burning stabilizer and an igniter, wherein a guide plate perpendicular to an axial end surface is arranged in the connected part between a feed pipe of the feed mixer and a cylindrical side wall; the wind inlet shell comprises a pulverized coal conveying pipe, a secondary wind pipe and a primary wind pipe arranged in sequence from inside to outside; the center wind pipe penetrates in from one axial end surface of the feed mixer, and extends to the front end of the pulverized coal conveying pipe after penetrating out of a discharge pipe of the feed mixer; the burning stabilizer is fixedly mounted at the front end of the center wind pipe; and the igniter penetrates in from the back end of the center wind pipe, and extends into the burning stabilizer. The pulverized coal burner has the following beneficial effects: the burning of pulverized coal approaches or reaches an ideal state; the pulverized coal and air are fully mixed; the burning of the pulverized coal is more stable and more complete; and the pulverized coal burner is environment-friendly, energy-saved, high in efficiency and simple in structure, can realize in-furnace desulfurization and denitrification, and is suitable for such boiler equipment as industrial boilers, industrial kilns and hot-blast stoves.

Description

technical field [0001] The invention relates to the technical field of burner structures, in particular to a pulverized coal burner. Background technique [0002] The burner is the core component of the pulverized coal boiler, and the performance of the pulverized coal boiler burner can directly affect the thermal efficiency and environmental protection emission of the boiler. Coal-fired boilers are widely used. There are two combustion methods, one is coal layer combustion, and the other is pulverized coal suspension combustion. From the perspective of combustion theory, coal suspension combustion is more efficient than coal layer combustion. better. It has the advantages of full combustion, fast burning speed and high flame center temperature. According to the combustion theory and my country's energy-saving and emission-reduction policies, it is necessary to design a new type of environmentally friendly and energy-saving pulverized coal burner. Pulverized coal combusti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D1/02
CPCF23D1/02F23D2201/20
Inventor 张宝国王泽林张飞飞张崇敬
Owner 山东富海泰来新能源科技有限公司
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