Lance tube construction
作者： Melvin A. Freund
DOI:
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摘要: A lance tube for use in long retracting cleaning devices of the soot blower type which operation discharge jets liquid against fouled surfaces heat exchangers such as slag-coated boiler tubes and like incorporates a light weight hollow filler mounted by helical spacer rib.
lens.org 参考文章(3)
Nicholas M. Rymarchyk, Leo L. Meinert, Nozzle for fuel and oxygen lance assembly ,(1974)
Evans Richard Henry, Fluid heater cleaners ,(1960)
W Frempter, Liquid discharge nozzle having cylindrical internal liquid flow director means ,(1972)