Fouling Removal Technology with Intermittent Rotation Spiral-Insert

Tian Lan Yu; De Qi Peng; Tian Xiang Yu; Bin Deng; Yang Ping Liu; Bing Le Shi; Xiu Yan Feng; Zhi Kun Zhang; Xiao Heng Zhi

doi:10.4028/www.scientific.net/AMR.535-537.2252

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 535-537Fouling Removal Technology with Intermittent...

Fouling Removal Technology with Intermittent Rotation Spiral-Insert

Abstract:

An intermittent rotation steel spiral automatic cleaning technology has been developed to address the fouling problem of the condenser tubes in small turbines. The intermittent rotation structure reduces steel spiral rotating speed to less than 1/10 of the continuous rotation spiral, which solves the wearing problems between the spiral and the tube. The results of a series of experiments showed that: the proposed technology meets the requirements of cleaning the hard fouling, and the heat transfer enhancement effect is significantly improved. The technology’s simple structure and low cost are suitable for heat exchangers with inside-tube velocity higher than 1 m / s, especially suitable for turbine condenser.