Shaft-rotating coal stirring boiler

A coal furnace and rotary shaft technology, which is applied in the directions of rotary grate, grate, and swing grate, can solve the problems of high labor intensity, large amount of fly ash, and high heat loss, and achieves reduction of labor and manufacturing. Simple, easy-to-assemble effect
CN101457927AInactive Publication Date: 2009-06-17袁吉增
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
袁吉增
Publication Date
2009-06-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a pivot coal spreading boiler, belonging to an industrial boiler. The boiler combines the advantages of a grate furnace, a double-layered grate furnace, a coal tossing furnace and a chain furnace such as mechanical coal transportation, uniform fire coal spreading, multizone and multimode burning, sufficient burning, inferior coal adaptability, high heating efficiency, fast load adjustment and the like; and overcomes the defects of the furnaces. The invention has the characteristics of high efficiency, energy saving, environmental protection, and the like, and is very practical. The structure of the boiler comprises a pivot coal spreading horizontal boiler and a pivot coal spreading fluidized bed furnace and is composed by the combination of pivot coal spreading grates and general grates or a fluidized bed; and the pivot coal spreading grate comprises a fin arris, a pivot tube and vents. The best characteristic of the pivot coal spreading boiler is that the pivot coal spreading grate has functions of fire coal transporting, grinding and spreading; the boiler is provided with an upper grate layer and a lower grate layer with multiple burning modes such as grate firing, float firing, boiling and the like, the heating efficiency is high and the application range of the coal variety is wide; the rotating speed of the grate is adjustable, thus changing the coal supply quantity and adapting to the load change; furthermore, the rotation and production are simple, assembly is simple and fast and replacement is convenient and fast.
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Description

technical field

[0001] industrial boiler Background technique

[0002] 1. Boiler combustion method

[0003] (1), layered combustion

[0004] The combustion is carried out by distributing the fuel on the grate with a certain thickness. As long as the air and coal seam are well mixed and have a certain combustion temperature, ideal combustion can be achieved. If the mixing is not good or the air is insufficient, the combustion will be incomplete and the combustion efficiency will be improved. Low, black smoke.

[0005] (2) Suspension combustion

[0006] The fuel is injected into the furnace in the form of powder, mist or gas along with the air for combustion. Suspension combustion has rapid ignition, complete combustion reaction, high thermal efficiency, strong ability to adapt to external load changes, and strong adaptability to fuel. However, solid fuel must be crushed and ground in advance.

[0007] (3), boiling combustion

[0008] Combustion of fuel in a fluidized b...

Claims

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