Drain and sampling valve assembly for a fluidized bed reactor

Details Drain and sampling valve assembly for a fluidized bed reactor Drain and sampling valve assembly for a fluidized bed reactor

1981-10-29

1983-09-20

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

34 57A, 201 17, 201 31, 422142, 422144, 422219, 422232, 431170, 432 58, B01J 826, B01J 818, F27B 1508

Patent

active

044055617

ABSTRACT:
A drain and sampling valve assembly for a fluidized bed reactor in which a pipe extends from the fluidized bed supporting structure to a location externally of said reactor. A valve seat is supported by said supporting structure and a valve stem is disposed in the pipe and extends for the length of the pipe and has a valve head mounted at one end of the stem for cooperating with the valve seat. A mechanical actuator assembly is provided externally of said reactor for selectively moving the stem relative to the pipe and the movement of the valve head relative to the valve seat to control the flow of material from the fluidized bed into the pipe. A discharge pipe and a sampling valve cooperate with the other end of the first mentioned pipe for selectively controlling the discharge of material from said latter pipe for permitting samples to be taken.

REFERENCES:
patent: 2649358 (1953-08-01), Palmer
patent: 2809102 (1957-10-01), Hall
patent: 2850364 (1958-09-01), Dowling
patent: 3028226 (1962-04-01), Wendell
patent: 3897220 (1975-07-01), Alcock et al.
patent: 4135885 (1979-01-01), Wormser et al.
patent: 4207292 (1980-06-01), Bischoff et al.
patent: 4321233 (1982-03-01), Tsuji et al.
patent: 4330502 (1982-05-01), Engstrom
patent: 4333909 (1982-06-01), Stewart et al.
patent: 4338283 (1982-07-01), Sakamoto et al.

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