Unclogging and recovering device for sludge deposited on the tub

Details Unclogging and recovering device for sludge deposited on the tub Unclogging and recovering device for sludge deposited on the tub

1981-06-30

1983-06-28

Bleutge, Robert L.

Cleaning and liquid contact with solids

Apparatus

With means for collecting escaping material

134105, 134167C, B08B 302, B08B 902

Patent

active

043900348

ABSTRACT:
The device comprises a ramp for dislodging sludge by high pressure jets fixed permanently inside a steam generator, horizontally and above the tube plate. The ramp is supplied with water under pressure through a movable distributor. The device also includes means for driving the sludge towards the center of the plate and a discharge valve for the sludge arranged above an orifice passing through the tube plate at its central part and opening into the hollow central column. The invention is particularly useful for steam generators of pressurized water nuclear reactors.

REFERENCES:
patent: 1608030 (1926-11-01), Miller, Sr.
patent: 2652737 (1953-09-01), Longstreet
patent: 3393689 (1968-07-01), Faler
patent: 3426774 (1969-02-01), Conn
patent: 3623910 (1969-11-01), Calhoun et al.
patent: 3938535 (1976-02-01), Cradeur et al.
patent: 4209028 (1980-06-01), Shenker
patent: 4333910 (1982-06-01), Lorrek et al.

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