Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1981-05-20
1983-08-23
Yasich, Daniel M.
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
356 43, 374135, 374123, 376247, G01J 508, G01J 548
Patent
active
044000979
ABSTRACT:
A system for the measurement of temperatures in a reactor such as those operated under high pressure and/or temperature is disclosed. The temperature is measured by the use of a pyrometer which is in optical communication with a measuring duct which can be disposed in the wall of the reactor and is in optical communication with the reactor interior. The measuring duct comprises two concentric tubes the outer one of which extends beyond the inner tube in the direction of the reactor interior and has a conical construction immediately following the termination of the inner tube. The concentric tubes are provided with a common end section such as in the form of a cone in the direction of the reactor exterior. A hermetic housing defining a safety chamber is disposed exterior thereof, the hermetic housing having two opposed pressure type and heat resistant windows in alignment with the inner tube and the pyrometer. The hermetic housing is not normally permanently attached to the measuring duct. Means are provided to mount the measuring duct against an exterior wall of a reactor. Means are also disclosed to maintain the windows free of condensation, carbon deposits, etc. and to insure the continuous measurement of the temperature within such reactor.
REFERENCES:
patent: 2562864 (1951-07-01), Jury et al.
patent: 2811856 (1957-11-01), Harrison
patent: 2963353 (1960-12-01), Eastman
patent: 3436965 (1969-04-01), Land
patent: 4290182 (1981-09-01), Lawrence
patent: 4297891 (1981-11-01), Falcon
Beuth Paul
Koschnitzke Walter
Ruhrchemie Aktiengesellschaft
Yasich Daniel M.
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