Clean Coal Technology

2013, v.19(02) 106-109

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Preventive measures against coking on radiation heat exchanger of Texaco gasifier

JING Yun-huan;YANG Lei;LIU Hong-gang;LUO Chun-tao(Branch of Coal Chemical Industry;

Abstract:

Introduce the process and internal structure of radiation heat exchanger of Texaco gasifier.In order to avoid coking in waste heat recovery process,analyse the inherent moisture qualities of raw coal,inherent ash content,minerals in coal ash and the like.The results show that,the coking phenomenon can be avoided by decreasing the heat exchange area,increasing the cross sectional area of centre passage and the height of dripping eave,controlling the content of inherent moisture,ash,ash fusion temperature,SiO2 and Al2O3,transforming the angle and length of nozzle,length of centre oxygen pipe.

Key Words: Texaco gasifier;radiation heat exchanger;coking

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Author: JING Yun-huan;YANG Lei;LIU Hong-gang;LUO Chun-tao(Branch of Coal Chemical Industry;

DOI: 10.13226/j.issn.1006-6772.2013.02.016

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