CO boiler having ash removal function

A boiler and functional technology, applied in the field of CO boilers with ash removal function, can solve the problems of reduced efficiency in the heat extraction section, high soot content, equipment corrosion, etc. Effect

Active Publication Date: 2014-05-07
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a CO boiler with ash removal function, which aims to solve the problems of the existing technolog

Method used

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  • CO boiler having ash removal function

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Embodiment Construction

[0029] The specific scheme and usage of the denitration reactor of the present invention will be further described below in conjunction with the accompanying drawings.

[0030] As shown in Figure 1, the CO boiler with ash removal function of the present invention includes a flue 1, a combustion chamber 2, a steam drum 3, an evaporation section 5, an economizer section 7 and an ash baffle 24, and the flue includes a first A vertical flue 8, a horizontal flue 9 and a second vertical flue 10, the two ends of the horizontal flue 9 communicate with the upper parts of the first vertical flue 8 and the second vertical flue 10 respectively, and the combustion The chamber 2 is arranged in the first vertical flue 8 , the steam drum 3 is arranged in the horizontal flue 9 , and the evaporation section 5 and the economizer section 7 are arranged in the second vertical flue 10 . At the junction of the first vertical flue 8 and the horizontal flue 9 (that is, at the first corner of the CO bo...

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Abstract

The invention discloses a CO boiler having the ash removal function. The CO boiler having the ash removal function comprises a first vertical flue, a horizontal flue and a second vertical flue, wherein ash baffles are arranged at the connection position between the first vertical flue and the horizontal flue, an ash storage bin is arranged at the position, flush with the lower edge of the lowest ash baffle, of the inner side of the first vertical flue, the ash baffles are of the structure that multiple layers of baffles are arranged in a staggered mode, each ash baffle is arranged in an inclined mode, and the outer end of each ash baffle is higher than the inner end of the ash baffle. According to the CO boiler having the ash removal function, the ash baffles arranged in the CO boiler can remove most of smoke dust contained in smoke and also play a role in rectifying the smoke, so that the smoke is rectified into the stable horizontal laminar flow state, the smoke evenly passes through steam drums, and the heat exchange efficiency of the boiler is high. The CO boiler having the ash removal function can solve the problem of equipment wear and abrasion caused by the smoke dust to the maximum extent, optimize the smoke processing technology, reduce energy consumption and reduce investment.

Description

technical field [0001] The invention relates to a treatment device for catalytic cracking (FCC) regeneration flue gas of an oil refinery, in particular to a selective catalytic reduction SCR denitrification process device for the FCC regeneration flue gas of a refinery. Background technique [0002] Nitrogen oxides (NOx) are one of the main sources of air pollution. Nitrogen oxides include compounds such as nitrous oxide (N 2 O), nitric oxide (NO), nitrogen dioxide (NO 2 ), nitrogen trioxide (N 2 o 3 ), dinitrogen tetroxide (N 2 o 4 ) and dinitrogen pentoxide (N 2 o 5 )Wait. Except for nitrogen dioxide, other nitrogen oxides are extremely unstable, and turn into nitrogen dioxide and nitric oxide when exposed to light, humidity or heat, and nitrogen monoxide turns into nitrogen dioxide. Therefore, exposure to several gas mixtures in the occupational environment is often called gunpowder (gas), mainly nitric oxide and nitrogen dioxide, and nitrogen dioxide is the main...

Claims

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Application Information

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IPC IPC(8): F22B31/08F22B1/18B01D45/06B01D45/08B01D53/56B01D53/86B01D53/76
Inventor 彭德强刘志禹王明星姜阳李欣王岩王璐瑶
Owner CHINA PETROLEUM & CHEM CORP
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