Sample conditioning system for an off-gas monitor panel

Details Sample conditioning system for an off-gas monitor panel Sample conditioning system for an off-gas monitor panel

1999-06-10

2000-12-26

Lazarus, Ira S.

Heat exchange

With timer, programmer, time delay, or condition responsive...

Having heating and cooling capability

165154, 165 61, 62 93, 95 39, 95117, F24F 314

Patent

active

061643734

ABSTRACT:
A sample conditioning apparatus that removes moisture from a saturated gaseous sample and that utilizes the removed moisture for evaporative cooling within the apparatus is described. The sample conditioning apparatus includes a heat exchanger, a condensate drain trap, and a bypass line that directs a portion of the sample to a cooling medium inlet of the heat exchanger. The apparatus also includes a direction changing fitting to direct the condensate from the heat exchanger into a condensate drain trap. The direction changing fitting is coupled to a sample outlet of the heat exchanger and to the condensate drain trap. The direction changing fitting is also coupled to a membrane type moisture separator to prevent any liquid carrying over through to the gas analyzers. The moisture separator is also coupled to a first end of a bypass line, and to a sample line extending between the separator to the gas analyzers. The membrane moisture separator separates liquid moisture from the gaseous sample and directs the liquid into the bypass line. A portion of the gaseous sample is also directed through the membrane separator to the bypass line. Additionally, the condensate drain trap outlet is coupled to the bypass line.

REFERENCES:
patent: 3557869 (1971-01-01), Hans Welmann
patent: 5538536 (1996-07-01), Fuentes et al.
patent: 5758739 (1998-07-01), Baker
patent: 5769926 (1998-06-01), Lokhandwala et al.
patent: 5871563 (1998-06-01), Roth et al.
patent: 5964923 (1999-10-01), Lokhandwala

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