Refractory monitoring temperature sensor and refractory erosion

Details Refractory monitoring temperature sensor and refractory erosion Refractory monitoring temperature sensor and refractory erosion

1991-08-13

1992-10-27

Levy, Stuart S.

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

374185, 374208, 338 28, H01C 704, H05B 102

Patent

active

051583666

ABSTRACT:
A compact and inexpensive refractory monitoring temperature sensor and a compact and inexpensive refractory erosion location measuring device which can effect continuous detection of erosion over a wide range and specification of a location of an erosion and further can be re-used and used continuously. The temperature sensor includes at least two metal members and an insulating substance (2) filled between the metal members. The sensor detects a condition of an erosion of a refractory not from a melting breakdown of the sensor but from a variation in insulation resistance of the insulating substance which arises from a high temperature of the refractory due to erosion of the refractory. The measuring device incorporates such temperature sensor and discriminates an amount and a location of erosion of the refractory from a variation in insulation resistance between the metal members.

REFERENCES:
patent: 2021491 (1935-11-01), Ruben
patent: 3668373 (1972-06-01), Laing
patent: 4317367 (1982-03-01), Schonberger
patent: 4349958 (1982-09-01), Hakansson et al.
patent: 4365229 (1982-12-01), Tokarz
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patent: 4479026 (1984-10-01), Brixy et al.
patent: 4491822 (1985-01-01), Davis
patent: 4924114 (1990-05-01), Ruhle

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