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《Sugarcane and Canesugar》 1994-01
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Scale Removal by Drying Evaporators with Steam

Zheng Ritang; Zhaap Mingxiang; Wu Chujun(Wuqiao Sugar Mill, Guangxi Province, 530105)  
The scale formed in the tubes of evaporators lowers the heat conductivity.Its composition yaries with different cane varieties and different locations.The method of drying eYaporators with steam is briefly described. During evaporators breakdown, stedm is drawn into calandria. As the coefficient of heat expansiou is different between the scale and tubes, the scale will sepa-rate from the tubes. Then mechanical rnethod is used to clean out. The method is very simple and easy to use. It not only can reduce labour lntensity, but also save much chemicals used in cleaning.
【CateGory Index】: TS24
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1 Lu Hai-qin~1 Qiu Tai-qiu~1 Liu Xiao-yan~2 Yang Ri-fu~1 (1.Research Institute of Light Industry and Chemical Engineering,South China Univ.of Tech.,Guangzhou 510640,Guangdong,China;2.Dept.of Food Science,Zhongkai Univ.of Agriculture and Tech.,Guangzhou 510225,Guangdong,China);Scale Prevention Mechanism in Synergistic Action of Ultrasonic Field and Electrostatic Field[J];Journal of South China University of Technology(Natural Science);2005-09
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