Petro-chemical Equipment Technology ›› 2021, Vol. 42 ›› Issue (2): 52-55.doi: 10.3969/j.issn.1006-8805.2021.02.012

• CODES AND STANDARDS • Previous Articles     Next Articles

Application Statusand Revision of the Standard Double Pipe Crystallizers in Petrochemical Industry

Liu Heng,Chen Sunyi,Su Jian   

  1. The Challenge Petrochemical Machinery Corporation of Maoming, Maoming, Guangdong, 525024
  • Accepted:2021-02-25 Online:2021-03-16 Published:2021-03-16

Abstract: By introducing the working principles of the double pipe crystallizers and the development of the standard Double Pipe Crystallizers in Petrochemical Industry, this paper analyzed the reasons and necessity for the revision of the standard and put forward the basic principles for the revision of the standard. It elaborated the whole process of the revision of the standard and made necessary explanation about the main contents and terms of the revision of the standard.

Key words: petrochemical industry, standard, double pipe crystallizers, revision