Process and apparatus for sampling gas-entrained particulate mat

Details Process and apparatus for sampling gas-entrained particulate mat Process and apparatus for sampling gas-entrained particulate mat

1990-06-29

1991-09-24

Myracle, Jerry W.

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

G01N 114

Patent

active

050504401

ABSTRACT:
A process and apparatus for sampling a stream of gas-entrained particulate matter are provided. A sampling tube is employed which has an inlet exposed to the gas-entrained stream and extending to an outlet in a sample receiver. Pressurized gas is introduced into the sampling tube between the inlet and the outlet and is directed toward the sample receiver so that gas acts to decrease the gas pressure present at the inlet of the sampling tube to substantially continuously draw the particulate matter into the tube and deposit it in the sample receiver. So that a sample of a desired size can be collected over a given time period, the rate at which the particulate matter is drawn into the sampling tube is adjusted. The sample receiver provides for venting gas while retaining the sampled particulate matter.

REFERENCES:
patent: 4286466 (1981-09-01), Stewart
Manual describing a Model PT sampler sold by Intersystems Industrial Products, Inc. (Oct. 1983).

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