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Rapid combustion type industrial powder combustion system

A combustion system and industrial technology, applied to the combustion of block fuel and liquid fuel, the combustion of block fuel and powder fuel, the combustion of gaseous fuel and powder fuel, etc., which can solve the problem of insufficient combustion air and small boilers , unable to burn low-volatile coal, etc., to achieve the effect of less heat storage and faster temperature rise

Inactive Publication Date: 2016-10-05
上海谊快能源技术有限公司
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Problems solved by technology

However, there are generally two problems in industrial pulverized coal combustion technology: first, it is impossible to use low-volatile coal that is not easy to catch fire; second, it is impossible to use boilers with smaller capacity
Dense phase conveying makes the combustion air in the primary air insufficient, and the unheated air cannot evenly disperse the pulverized coal
The flue gas temperature at the boiler outlet is already relatively low, and the air cannot be preheated to the temperature required for pulverized coal combustion

Method used

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  • Rapid combustion type industrial powder combustion system
  • Rapid combustion type industrial powder combustion system
  • Rapid combustion type industrial powder combustion system

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Embodiment Construction

[0019] Specific embodiments of the present invention are described in detail below, and the present embodiment is carried out under the premise of the present invention, has provided detailed implementation and specific operation process, but protection scope of the present invention is not limited to following embodiment .

[0020] Such as Figure 4 As shown, this implementation case includes: a gas-solid premixed burner 1, a heat-resistant steel furnace 2, a high-temperature air preheater 3, and a boiler furnace 4.

[0021] The gas-solid premix burner 1 includes: a gas inlet 101 , a primary air inlet 102 , a secondary air inlet 103 , a gas nozzle 104 , an outlet blunt body 105 , swirl vanes 106 , and a swirler 107 .

[0022] The heat-resistant steel furnace includes: a heat-resistant steel cylinder 201 and an ash discharge hole 202 .

[0023] The high-temperature air preheater 3 includes: an air inlet 301 , an air outlet 302 , a first tube layer 303 , a turning chamber 304...

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Abstract

A rapid combustion type industrial powder combustion system is characterized by comprising a gas-solid premixing combustor, a heat-resistant steel hearth and a high-temperature air preheater. By means of the system, pulverized coal is rapidly ignited, stably combusted and thoroughly combusted in an industrial boiler. A combustion method is provided for clean utilization of coal in the field of the industrial boiler.

Description

technical field [0001] The invention relates to a system in the field of industrial boiler combustion, in particular to a fast-burning industrial powder combustion system. Background technique [0002] Coal is the main component of domestic primary energy consumption, and its clean utilization degree will have an important impact on the environment. Industrial boilers are the main equipment for using coal, and their combustion systems determine whether coal can be used efficiently and environmentally friendly. [0003] At present, the domestic industrial pulverized coal combustion system is gradually replacing the traditional chain grate combustion technology and becoming the main combustion equipment for industrial boilers. The industrial pulverized coal combustion system has the advantages of high combustion efficiency, less smoke emission, easy desulfurization and denitrification. However, there are generally two problems in industrial pulverized coal combustion technol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C5/08F23C7/06
CPCY02E20/34
Inventor 李友谊李跑快
Owner 上海谊快能源技术有限公司
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