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Synthesis gas washing, dedusting and dewatering system

A technology for washing and dedusting and synthesis gas, applied in the field of coal chemical industry, can solve the problems of poor removal of micron dust, more water consumption than washing towers, and large water content of synthesis gas, and achieves long equipment operation cycle, low water consumption, The effect of reducing operating costs

Pending Publication Date: 2017-02-15
CHANGZHENG ENG
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is how to solve the problems that the existing washing system has poor removal effect on micron-scale dust, requires many equipments, large gas pressure drop, high water consumption and / or high water content of the syngas exiting the washing tower, etc.

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  • Synthesis gas washing, dedusting and dewatering system

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Embodiment Construction

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention and the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] Such as figure 1 As shown, a syngas scrubbing, dedusting and dehydration system provided by the present invention includes a water cooling chamber 1, a Venturi mixer 2, a scrubber 3, a tube bundle centrifugal separator 4 and a high-pressure pump 5 connected in sequence. The syngas passes through the water cooling chamber 1, Venturi mixer 2, washing tower 3 and tube bundle centrifugal separator 4 in sequence for dedusting and dehydration. ...

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Abstract

The invention discloses a synthesis gas washing, dedusting and dewatering system. The system comprises a water cooling chamber, a venturi mixer, a washing tower and a pipe bundle centrifugal separator. The synthesis gas washing, dedusting and dewatering system has advantages that solids and liquid in synthesis gas can be efficiently removed, and problems of poor effects in micron dust removal, high quantity of required equipment, large gas pressure drop and high water consumption of an existing washing system, high water content of synthesis gas discharging from the washing tower and the like are solved.

Description

technical field [0001] The invention belongs to the field of coal chemical industry and relates to a synthesis gas washing, dust removal and dehydration system. Background technique [0002] In the field of coal chemical industry, the crude synthesis gas from the gasifier contains a large amount of fine ash. When used in subsequent units, the synthesis gas needs to be washed to remove the fine ash and water in the synthesis gas. If the purification of the crude gas is not thorough , the fine ash contained in it will easily lead to excessive fouling resistance of downstream equipment or catalyst poisoning, affecting production. Therefore, the dedusting and dehydration process of crude syngas is very important to the smooth operation of production. At present, the industry requires that the dust content of crude syngas after washing should be less than 1mg / Nm 3 . [0003] At present, in the field of coal gasification, the typical dust removal method for crude syngas is wet a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10K1/02C10K1/10
CPCC10K1/026C10K1/101
Inventor 李锡华郑帅彭书甘晓雁王守杰
Owner CHANGZHENG ENG
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