Apparatus for sampling gas from a hot dust-filled gas stream

Details Apparatus for sampling gas from a hot dust-filled gas stream Apparatus for sampling gas from a hot dust-filled gas stream

1995-02-09

1996-02-13

Raevis, R.

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

7386324, G01N 114

Patent

active

054904293

ABSTRACT:
In a method and an apparatus for sampling gas for analysis purposes from a hot dust-filled gas stream, e.g. smoke gases from industrial plants, the sampling is carried out continuously using a gas sampling probe without the use of a coolant, said probe comprising a gas inlet section (1), a filter section (8) and a gas outlet section (9) connected to a gas pump (6), and wherein the filter section (8) is embedded in a filter housing (3) with an outlet (4) for the purified sample gas portion to be analyzed, and the probe being furthermore provided with a dust activation device (5) which activates the dust particles suspended in the gas in such a manner that the particles are constantly prevented from depositing or forming bakings in the interior of the probe and thus clogging it.

REFERENCES:
patent: 3520015 (1970-07-01), Deynat
patent: 4666530 (1987-05-01), Houser
patent: 5039322 (1991-08-01), Holzl
patent: 5237881 (1993-08-01), Ross

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