Performance of plate heat exchangers during calcium sulphate fouling -: investigation with an in-line filter

被引:37
作者
Bansal, B
Müller-Steinhagen, H
Chen, XD
机构
[1] Univ Auckland, Dept Chem & Mat Engn, Auckland, New Zealand
[2] Univ Surrey, Sch Engn Environm, Guildford GU2 5XH, Surrey, England
关键词
plate heat exchanger; calcium sulphate fouling; crystallisation; pressure drop; in-line filter;
D O I
10.1016/S0255-2701(00)00098-2
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The uncertainty about the fouling behaviour is one of the main reasons why plate and frame heat exchangers are not more widely installed in the chemical process industry and in power generating facilities. In the present investigation, the deposition of calcium sulphate in two different plate heat exchanger geometries was investigated. The deposition process was deliberately focused on crystallisation fouling through the installation of an in-line filter and the mode of preparation of the test solution. The investigated operating parameters were solution concentration, flow velocity, and bulk and surface temperatures. The heat exchangers were opened after each experiment to record the appearance and distribution of the deposits. The key result of this investigation is the strong correlation between the plate design and the tendency for deposit formation. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:507 / 519
页数:13
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