Method and Apparatus for Washing the Wet Felts of 'Fuellner' Paper-stuff Filters.

摘要

10,071. Tittel, C. May 2. Waste products, treatment of.-Relates to means for washing the web felt a of "F³llner" paperstuff filters. The supply of waste water to the trough e is stopped, and the water contained in the casing f is run off. A valve k is opened and steam allowed to blow from the pipe m on the under side of the felt. The valve n of the steam pipe p is then opened and the steam issues through a mixing- valve o, heating the cold water delivered by the pipe h1. The heated water is forced against, and, in conjunction with the steam, cleans the felt.