Sampling valve for a fixed bed reactor coal gasification plant

Details Sampling valve for a fixed bed reactor coal gasification plant Sampling valve for a fixed bed reactor coal gasification plant

1984-06-25

1986-06-17

Levy, Stewart J.

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

7386311, G01N 122

Patent

active

045949042

ABSTRACT:
With sampling valves for gas streams or liquids, especially in coal gasification plants and with the sampling valve located close to the reactor, the functional reliability of the valve and the identity of the samples with the crude gas stream are ensured by heating and/or flushing the sampling valve. The valve has several embodiments which include features which can be used in various combinations, for example, the valve stem can include a heater, a passage for the introduction of a flushing and/or heating medium into the valve chamber. The valve housing can include a second chamber therein through which a heating medium can be circulated or by which pressure differentials on the valve chamber can be minimized.

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