Grey decision on oil distillation tower top exchangers maintenance overhaul

Author

Wang, Zhengfang ; Weiqiang Wang ; Cheng, Yiyuan ; Chen, Yuhua ; Qu, Dawei

Author_Institution

Inst. of Mech. Eng., Shandong Univ., Ji´´nan, China

fYear

2009

fDate

25-27 May 2009

Firstpage

1917

Lastpage

1919

Abstract

Exchangers on the top of distillation tower exposed to wash erosion seriously when Shengli refinery processed Middle-east crude oil. Used grey system theory, aimed at general tube-shell exchangers and helix-baffled structure, tube of 20 carbon steel with TH847 coating, 20 steel aluminizing, 316L and dual phase steel, carried on grey decision. For exchangers rebuilding project, grey target decision shows that helix-baffled exchangers with 20+TH847 coating tube is the best preference plan, while grey incidence decision shows that the helix-baffled structure with 20 carbon steel aluminizing tube is the preferential plan. In general, helix-baffled structure is better than general contractures, should adopt advanced manufacture technology to lower the fabricate difficulty.

Keywords

erosion; grey systems; maintenance engineering; oil refining; Shengli refinery; advanced manufacture technology; erosion; grey decision; middle-east crude oil; oil distillation tower; top exchangers maintenance overhaul; Coatings; Corrosion; Costs; Heat transfer; Manufacturing; Mechanical engineering; Petroleum; Poles and towers; Safety; Steel; grey decision; grey incidence decision; grey target decision; maintenance overhaul;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Electronics and Applications, 2009. ICIEA 2009. 4th IEEE Conference on

Conference_Location

Xi´an

Print_ISBN

978-1-4244-2799-4

Electronic_ISBN

978-1-4244-2800-7

Type

conf

DOI

10.1109/ICIEA.2009.5138536

Filename

5138536