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A combustion device for improving the thermal efficiency of a large thermal power coal-fired boiler

A technology for combustion devices and coal-fired boilers, which is applied in the direction of fuel, combustion methods, and types of combustion in a molten state, and can solve problems such as adverse environmental effects, high carbon content in ash, and insufficient use of resources, and achieve Easy to fully burn, easy to ignite, and the effect of increasing the temperature of the fuel

Inactive Publication Date: 2018-01-02
王兴华
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Problems solved by technology

[0002] The furnaces of the existing boiling pulverized coal furnaces in various thermal power plants are usually of an empty design; there is no covering object in the furnace, and the combustion process of the pulverized coal after entering the furnace is simple, and it floats up to the furnace outlet under negative pressure, and the carbon content of the pulverized coal The phenomenon of incomplete combustion is serious, and the ash has a high carbon content, which not only has a negative impact on the environment, but also the resources are not fully utilized. For my country with large coal reserves, it undoubtedly restricts the utilization of coal energy

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  • A combustion device for improving the thermal efficiency of a large thermal power coal-fired boiler

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0018] refer to figure 1 As shown, the present invention discloses a combustion device for improving the thermal efficiency of a large-scale thermal power coal-fired boiler. The combustion device includes a furnace, and water-cooled wall tubes 1 are arranged around the furnace. The above-mentioned combustion device is also provided with a rectification device, which will The furnace is divided into the first combustion chamber 2, the second combustion chamber 3 and the third combustion chamber 4, and the combustion is carried out in sections, and the combustion temperature of each section is increased to facilitate the control of the flow of combustion materials.

[0019] Further, the above-mentioned rectification device includes an upper fairing 5, a commutator 6, and a lower fairing 7, wherein the temperature of the commutator 6 is slightly higher ...

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Abstract

The invention discloses a combustion apparatus for improving the thermal efficiency of a large-scale thermal power coal-fired boiler. The combustion apparatus comprises a furnace hearth, wherein the periphery of the furnace hearth is provided with water cooling wall pipes, the combustion apparatus is further provided with a rectifying device, and the rectifying device is used for separating the furnace hearth into a first combustion chamber, a second combustion chamber and a third combustion chamber. According to the present invention, the combustion apparatus for improving the thermal efficiency of the large-scale thermal power coal-fired boiler is provided, and has characteristics of complete coal powder combustion, effective achievement of application of the low quality coal to perform thermal power production, and thermal power coal-fired boiler thermal efficiency increasing.

Description

【Technical field】 [0001] The invention relates to combustion equipment, in particular to a combustion device for improving the thermal efficiency of a large thermal power coal-fired boiler. 【Background technique】 [0002] The furnaces of the existing boiling pulverized coal furnaces in various thermal power plants are usually of an empty design; there is no covering object in the furnace, and the combustion process of the pulverized coal after entering the furnace is simple, and it floats up to the furnace outlet under negative pressure, and the carbon content of the pulverized coal The phenomenon of incomplete combustion is serious, and the ash has a high carbon content, which not only has a negative impact on the environment, but also the resources are not fully utilized. For our country with large coal reserves, it undoubtedly restricts the utilization of coal energy. 【Content of invention】 [0003] The purpose of the present invention is to overcome the deficiencies o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23C10/18
Inventor 王兴华
Owner 王兴华
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