System and method for providing a vapor phase sample for analysi

Details System and method for providing a vapor phase sample for analysi System and method for providing a vapor phase sample for analysi

1979-05-21

1981-06-09

Smith, William F.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Automatic analytical monitor and control of industrial process

422 83, 422101, 23230A, G01N 2100, G01N 700, G01N 3108

Patent

active

042724813

ABSTRACT:
The present sampling system provides a means for continuous vapor phase analysis of an indefinite number of process streams in a single operation. The process being sampled is connected into a single analyzing instrument by more than one delivery conduit. Each delivery conduit is heated between the process and the analyzer to a temperature sufficient to maintain the selected sample in its vapor state. During the sampling only one delivery conduit is carrying the sample into the analyzer. At the same time, a purge fluid is being backflushed into the process through each remaining delivery conduit. The backflushing sequence clears out polymerizable materials or other substances which tend to collect inside the conduit.

REFERENCES:
patent: 2289351 (1942-07-01), Dixon et al.
patent: 3002372 (1961-10-01), Bulkley et al.
patent: 3285701 (1966-11-01), Robertson
patent: 3424557 (1969-01-01), Skeggs
patent: 3641821 (1972-02-01), Neubeyer et al.
patent: 3690833 (1972-09-01), Ferrari
patent: 3897211 (1975-07-01), Ririe
patent: 4095951 (1978-06-01), Dicola et al.

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