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Boiler rear arch with adjustable coverage rate

A coverage, boiler technology, applied in the combustion method, combustion chamber, cover/lining, etc., can solve the problems of poor boiler adaptability, and achieve the effect of low labor intensity, simple operation and easy promotion

Inactive Publication Date: 2012-07-04
沈阳锅炉制造有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Existing boiler back arches are mainly designed for limited fuels; however, there are various types of fuels on the market; such boilers have poor adaptability, making their promotion a problem

Method used

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  • Boiler rear arch with adjustable coverage rate
  • Boiler rear arch with adjustable coverage rate
  • Boiler rear arch with adjustable coverage rate

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Experimental program
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Effect test

Embodiment Construction

[0016] The present invention comprises a boiler back arch 1, at least two arch tubes 3 and special-shaped bricks 2, one end of the arch tube 3 is fixedly arranged in the furnace wall on the bottom surface of the boiler back arch 1, and the other end of the arch tube 3 is along the bottom surface of the boiler back arch 1 It protrudes and bends upwards, and finally connects with the side wall of the boiler rear arch 1; the special-shaped brick 2 is a cuboid, and a groove 4 corresponding to the arch tube 3 is provided on one side of the cuboid.

[0017] As an optimal solution: both the special-shaped brick 2 and the boiler rear arch 1 are made of refractory concrete; the service life is long.

[0018] The installation process of the present invention is illustrated below in conjunction with the accompanying drawings: first pack into the first special-shaped brick 2 between the two rear arch tubes 3, and the groove 4 of the special-shaped brick 2 is corresponding to the arch tube ...

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PUM

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Abstract

The invention discloses a boiler rear arch with an adjustable coverage rate, relating to an improved boiler rear arch structure and providing the boiler rear arch which has a simple structure and an adjustable coverage rate and can adapt to various fuels. The boiler rear arch comprises a boiler reach arch, at least two arch tubes and special bricks. The boiler rear arch is structurally characterized in that one end of each arch tube is fixedly arranged in a furnace wall on the bottom surface of the boiler reach arch; the other end of the arch tube extends out along the bottom surface of the boiler rear arch, is upwards bent and is connected with the side wall of the boiler reach arch; and each special brick is of a cuboid; and a groove corresponding to the arch tubes is formed on one lateral surface of the cuboid.

Description

technical field [0001] The present invention relates to the improvement of boiler rear arch structure. Background technique [0002] Existing boilers usually use boiler front arches and boiler rear arches, and sometimes use middle arches; the shape and layout of the furnace arches have a great relationship with the variety of fuel; the furnace arches can strengthen the mixing of airflow in the furnace and rationally organize the heat in the furnace. Radiation and hot smoke flow to achieve the purpose of timely ignition, vigorous combustion and full embers. [0003] The front arch of the boiler has a great effect on the ignition of the fuel, but it cannot generate heat itself, it can only accumulate heat and radiate heat. The boiler rear arch is located at the rear of the fire bed, which can control the direction of airflow, forcing the high-temperature flue gas to flow to the front, so as to enhance the heat radiation to the newly entered fuel; in addition, the high-tempera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23M5/06
Inventor 刘焕文
Owner 沈阳锅炉制造有限责任公司