FLUE GAS CONTROL SENSOR Russian patent published in 1999 - IPC

FIELD: metallurgical, petroleum-chemical, chemical and food industries. SUBSTANCE: sensor has main part to be installed in gas conduit. Main part consists of sensing element enclosed in metal casing surrounded by heater, heat insulation and protective cover coupled to flange secured on carrying beam which holds main part. Carrying beam is essentially bunch of tubes rigidly connected with their ends through flanges. Sensor also includes thermocouple and tube of check gas mixture, functions of which are fulfilled by carrying beam tube. EFFECT: reduced metal amount and heat losses. 8 cl, 3 dwg