Probe for measuring carbon flux

Details Probe for measuring carbon flux Probe for measuring carbon flux

1990-05-23

1991-11-12

Dean, R.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

422 98, 266 80, 266 81, 204433, C21D 1100, G01N 2716

Patent

active

050646206

ABSTRACT:
A probe (14) comprises a tubular electrical conductor (15) supported by a sleeve of insulating material (16). The two ends of the conductor are connected to couplings (23, 24) for the circulation of a reducing gas through the entire length of the conductor, as well as to an electric circuit (20) kept at a constant voltage and hence permitting measurement of the resistance in a segment (15c) of the conductor which is exposed to the atmosphere of a furnace, the resistivity of the segment varying as a function of the carbon content of the wall of the conductor.

REFERENCES:
patent: 2935866 (1960-05-01), Schmidt et al.
patent: 3843419 (1974-10-01), Schmidt et al.
patent: 4591132 (1986-05-01), Wunning
J. Wunning, Die C-Stromregelung bei der Gasaufkohlung, HTM 40, 1985 3 2326, Harterei-Technische Mitteilungen, 40 (1985), Mai-Juni, No. 3, Munchen.

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