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co boiler with ash removal function

A boiler and functional technology, applied in the field of CO boilers, can solve the problems of reduced heat extraction section efficiency, high smoke and dust content, equipment corrosion, etc., to reduce the frequency of soot blowing, simplify the dust removal system, and save investment.

Active Publication Date: 2016-03-02
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
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  • Claims
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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 technology that the soot content in the flue gas of the CO boiler is too high, which leads to the reduction of the efficiency of the heat extraction section and the corrosion of equipment

Method used

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Embodiment Construction

[0028] The specific scheme and usage of the denitration reactor of the present invention will be further described below in conjunction with the accompanying drawings.

[0029] Such as figure 1 As shown, 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 vertical A 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 chamber 2 is set 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 . In the combustion chamber 2 of the first vertical flue 8, an ash baffle 24 is arranged, and an external ash storage ...

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Abstract

The invention discloses a CO boiler with the ash removing function. The CO boiler comprises a first vertical flue, a horizontal flue and a second vertical flue. The first vertical flue is provided with a combustion chamber. The combustion chamber is provided with ash baffles. An externally-hung ash storage bin is arranged on the outer side of the portion, adjacent to the second vertical flue, of the flue wall of the combustion chamber. The first vertical flue is provided with an ash discharge port which is communicated with the ash storage bin. The ash baffles are of the structure that the baffles are arranged in multiple layers in a staggered mode. Each ash baffle is obliquely arranged, wherein the outer end of the ash baffle is higher than the inner end of the ash baffle. According to the CO boiler with the ash removing function, the ash baffles arranged in the CO boiler can remove most of smoke dust contained in flue gas, as a result, the problem of equipment abrasion caused by the smoke dust can be solved to the maximum extent, the flue gas processing technology is optimized, energy consumption is lowered, and investment is reduced.

Description

technical field [0001] The invention relates to a CO waste heat boiler for regenerating flue gas from catalytic cracking (FCC) in an oil refinery, in particular to a CO boiler with ash removal and denitrification functions. 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 one. NOx has different degrees of toxicity, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F22B31/08F22B1/18B01D45/08B01D53/79B01D53/56
Inventor 彭德强王岩陈新姜阳刘志禹李欣王明星
Owner CHINA PETROLEUM & CHEM CORP
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