Process and apparatus for the continuous withdrawal of specimens

Details Process and apparatus for the continuous withdrawal of specimens Process and apparatus for the continuous withdrawal of specimens

1980-02-22

1982-03-02

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

With heating or cooling

7386383, G01N 124

Patent

active

043173799

ABSTRACT:
In a process for obtaining in a continuous operation a specimen gas from a flowing gas current of a pressurized crude gas for analysis purposes, a branch current is withdrawn from the main current in an anisokinetic manner whereupon the branch current of the crude gas is passed through a cooling device and a specimen is then withdrawn from the branch current likewise in an anisokinetic manner and the specimen is subjected to pressure release and filtering prior to passing it into a gas analysis apparatus.
The invention also comprises an apparatus for carrying out the above process comprising a passageway for the main crude gas, a branch for withdrawing in anisokinetic manner a partial current of crude gas from the main current, cooling means, duct means for passing said branch current through said cooling means, means for withdrawing a specimen from the branch current in an anisokinetic manner after passing through the cooling means and a pressure release valve and filter means provided in the duct for passing the specimen to a gas analysis device.

REFERENCES:
patent: 2322018 (1943-06-01), Huber
patent: 3255575 (1966-06-01), Roberts
patent: 3985624 (1976-10-01), Prevost
patent: 4131011 (1978-12-01), Ling
patent: 4191541 (1980-03-01), Jenkins

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