Ultraviolet ray irradiation equipment having scraper rings fitte

Details Ultraviolet ray irradiation equipment having scraper rings fitte Ultraviolet ray irradiation equipment having scraper rings fitte

1997-03-14

1999-02-23

Berman, Jack I.

Radiant energy

Fluent material containment, support or transfer means

With cleaning means

250436, C02F 132

Patent

active

058747400

ABSTRACT:
An ultraviolet light irradiation apparatus providing combined mechanical and chemical cleaning of light irradiation tubes for removing radiation blocking precipitates from the surface of the tubes. A scraper ring is fitted to the outside of each of the tubes and includes a chamber for receiving a relatively small quantity of cleaning solution. The scraper rings are reciprocated in a sliding action along the tubes which action synergistically acts with the cleaning solution to remove precipitates from the tube surface including fine particles lodged in concave pits in the tube surface.

REFERENCES:
patent: 3182193 (1965-05-01), Ellner et al.
patent: 3562520 (1971-02-01), Hippen
patent: 4367410 (1983-01-01), Wood
patent: 5133945 (1992-07-01), Hallett
patent: 5227140 (1993-07-01), Hager et al.
patent: 5401474 (1995-03-01), Hager et al.
patent: 5418370 (1995-05-01), Maarschalkerweerd
patent: 5501843 (1996-03-01), Peterson

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