Combustion furnace for burning sample to be analyzed

Details Combustion furnace for burning sample to be analyzed Combustion furnace for burning sample to be analyzed

1990-01-02

1992-05-05

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 80, 432 72, 432 75, 432241, G01N 3112

Patent

active

051105543

ABSTRACT:
A combustion furnace having a cylindrical filter arranged to pass gases between a combustion cylinder and a gas analyzer attached to an output port on the furnace. The gases to be analyzed are generated from a sample burned in the combustion cylinder and removed through the filter. A cleaning gas supply port and supply line for supplying a cleaning gas to the inside of the furnace are provided. The cleaning gas is under pressure and may be oscillated to assist in the removal of dust stuck to the filter and the interior of the furnace. The improved dust removal provides for a much cleaner furnace and a more accurate analysis of the sample.

REFERENCES:
patent: 3972682 (1976-08-01), Stephens et al.
patent: 4087249 (1978-05-01), Okumoto et al.
patent: 4234541 (1980-11-01), Bredeweg et al.
patent: 4816228 (1989-03-01), Yoshida et al.

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