Liquid heaters and vaporizers – Safety devices – Alarms or indicators
Patent
1988-06-27
1989-10-31
Schwadron, Martin P.
Liquid heaters and vaporizers
Safety devices
Alarms or indicators
122 7R, 165 111, F22B 3738
Patent
active
048769878
ABSTRACT:
In a heat exchange vessel which conducts a hot, pressurized synthetic gaseous stream carrying particulate matter through a central heat exchange chamber, a safety system for monitoring pressures within the vessel. Said heat exchange vessel includes a shell surrounding a water wall, defining an annulus therebetween. Pressure sensing means communicated with the respective heat exchange chamber and said annulus connects to means for determining the pressure differential between said points. A purge gas source communicated with the monitor system maintains the latter free of internal passage blockage caused by accumulations of particulate matter.
REFERENCES:
patent: 4090554 (1978-05-01), Dickinson
patent: 4197868 (1980-04-01), Carson
patent: 4293853 (1981-10-01), Kubota
patent: 4377132 (1983-03-01), Koog et al.
Gulko George M.
Martin Michael C.
McCracken Beth E.
Burns Robert B.
Flanigan Allen J.
Kulason Robert A.
O'Loughlin James J.
Schwadron Martin P.
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