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Clean pulverized coal combustion industrial boiler device

A pulverized coal combustion and industrial boiler technology, applied in the direction of burners, combustion chambers, combustion methods, etc., can solve problems such as unsatisfactory organizational combustion effects, and achieve the effects of good coal type adaptability, strong disturbance, and good load adjustment ability

Inactive Publication Date: 2016-03-16
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the above-mentioned deficiencies in the prior art, the present invention provides a clean pulverized coal combustion industrial boiler device, which overcomes the defect of unsatisfactory tissue combustion effect in the small space of the industrial boiler

Method used

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  • Clean pulverized coal combustion industrial boiler device

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Embodiment

[0027] like figure 1 As shown, the present invention includes: a furnace 2, a swirl pulverized coal burner 1, a high-temperature vortex burnout device 4, a transition chamber 5, a convection flue 8 and a tail flue 11, wherein: the upper outlet of the furnace 2 is provided with a high-temperature vortex burner As far as the device 4 is concerned, the front and rear walls or the left and right walls of the lower part are provided with the flow pulverized coal burner 1 in a counter-positioned manner to realize the counter-powdered coal combustion, ensure good flame fullness, strong disturbance, and make the furnace smoke temperature and speed evenly distributed, which is beneficial to heating Protect your face. A transition chamber 5 is provided at the rear of the high-temperature vortex burnout device 4, the entrance of the convection flue 8 is connected to the rear of the transition chamber 5, and the outlet is connected to the tail flue 11;

[0028] The water-cooled wall of t...

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Abstract

The invention discloses a high-efficiency clean pulverized coal combustion industrial boiler device in the field of combustion devices with combustors. The high-efficiency clean pulverized coal combustion industrial boiler device comprises a hearth, a cyclone pulverized coal burner, a high-temperature vortex burnout device, a transition chamber, a convection flue and a tail flue, wherein the high-temperature vortex burnout device is arranged at an upper outlet of the hearth; the cyclone pulverized coal burner is arranged on the front and rear walls or the left and right walls on the lower part of the hearth in a hedge mode; the transition chamber is arranged on the rear part of the high-temperature vortex burnout device; the inlet of the convection flue is connected with the rear part of the transition chamber; the outlet of the convection flue is connected with the tail flue. According to the device, the defect that the organizing combustion effect in a short and small space of an industrial boiler is not ideal is overcome.

Description

technical field [0001] The invention relates to a device in the technical field of burners, in particular to a clean pulverized coal combustion industrial boiler device. Background technique [0002] Industrial boilers are important thermal power equipment. According to statistics, the total installed capacity of industrial boilers in use in the country was about 584,800 in 2009. my country has become the country that produces and uses the most industrial boilers in the world. The capacity of industrial boilers is generally relatively small. Most of the coal-fired industrial boilers in my country are still traditional chain grate boilers, and the fuel coal used cannot meet the quality indicators of the design requirements, so the boiler efficiency is generally low (usually between 55% and 85%), serious waste of energy; at the same time, environmental protection facilities such as dedusting and desulfurization are poor, resulting in serious air pollution. According to statist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23C5/28F23C3/00F23D1/02
CPCY02E20/34
Inventor 刘加勋刘建国韩向新姜秀民
Owner SHANGHAI JIAOTONG UNIV
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