Dry product valve

Details Dry product valve Dry product valve

1981-03-27

1984-01-24

Walton, George L.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

134166C, 251174, 251178, 2512505, B08B 304, F16K 2500

Patent

active

044270232

ABSTRACT:
Method and means for solidifying nuclear waste for permanent disposal are disclosed. A storage container, in the preferred form of a drum or barrel, is charged with a predetermined amount of liquid polymer resin in an uncatalyzed state. Catalyst-containing frangible ampoules are also positioned in the drum with a rotatable mixer mechanism. At a waste filling station, the mixer is rotated to break the ampoules so as to mix the catalyst and the resin. The catalyzed resin is then mixed with added waste material to completely encapsulate the waste prior to solidification of the resin. Monitoring of the filling and mixing process is provided by continually sensing the torque force being applied to the rotating mixer mechanism. Where the waste is a dust-like, dry particulate material, dust control means and method are also provided.

REFERENCES:
patent: 261826 (1882-08-01), Boeklen
patent: 1099200 (1914-06-01), Patterson
patent: 1219392 (1917-03-01), Hagen
patent: 1632220 (1927-06-01), Demarest
patent: 1723264 (1929-08-01), Wilson
patent: 3047006 (1962-07-01), Ivanseau
patent: 3428366 (1969-02-01), Harvey
patent: 3918471 (1975-11-01), Bedner
patent: 4174728 (1979-11-01), Usnick et al.
patent: 4249560 (1981-02-01), Raque
patent: 4292992 (1981-10-01), Bhide

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