Angular rotation rotary cleaning device

Details Angular rotation rotary cleaning device Angular rotation rotary cleaning device

1992-07-29

1994-04-26

Yuen, Henry C.

Liquid heaters and vaporizers

Cleaning

Fluid jet

122392, 122379, 134172, F22B 3752

Patent

active

053057139

ABSTRACT:
An improved rotary cleaning device for removing slag deposits from the surfaces of pendant tubes in a steam generator boiler is characterized by a controlled rotary actuator mechanism which alternately rotates a cleaning lance in opposite directions through an angle less than 90.degree.. By limiting rotation of the lance, the cleaning fluid from the lance is directed only upon a limited tube surface area, thereby reducing the time required to clean the tube surfaces.

REFERENCES:
patent: 4715324 (1987-12-01), Muller
patent: 4844021 (1989-07-01), Stoss
patent: 4907542 (1990-03-01), Maeyama et al.
patent: 4945862 (1990-08-01), Vadakin
patent: 4971140 (1990-11-01), Stoss
patent: 5113802 (1992-05-01), Le Blanc

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