Method and apparatus for determining conditions at spaced points within a chamber

Claim 1

APPARATUS FOR DETERMINING CONDITIONS AT SPACED POINTS ACROSS A BLAST FURNACE COMPRISING A CYLINDRICAL TUBE EXTENDING THROUGH THE WALL OF SAID FURNACE BELOW THE BURDEN THEREIN TOWARD THE OPPOSITE SIDE THEREOF, THE INNER END OF SAID TUBE IN SAID FURNACE BEING CLOSED AND THE OUTER END OPEN, A FLANGE ATTACHED TO THE WALL OF SAID FURNACE AND SURROUNDING THE SAID OPEN END OF THE TUBE, SAID TUBE HAVING A PLURALITY OF LONGITUDINALLY SPACED DOWNWARDLY FACING HOLES IN THE WALL THEREOF, A SECOND FLANGE ATTACHED TO THE OPEN END OF SAID TUBE, MEANS SECURING SAID SECOND FLANGE TO SAID FIRST NAMED FLANGE, A PLURALITY OF SAMPLING TUBES EXTENDING THROUGH AND ATTACHED TO SAID SECOND FLANGE, THE INNER END OF EACH SAMPLING TUBE BEING ATTACHED TO THE WALL OF SAID FIRST NAMED TUBE AT ONE OF SAID HOLES, MEANS FOR CONNECTING GAS SAMPLING APPARATUS TO THE OUTER END OF EACH SAMPLING TUBE, A THERMOCOUPLE EXTENDING THROUGH EACH OF SAID SAMPLING TUBES TO THE OUTLET END THEREOF, A COOLING WATER TUBE EXTENDING THROUGH AND ATTACHED TO SAID SECOND FLANGE WITH ITS INNER END TERMINATING ADJACENT SAID CLOSED END OF SAID FIRST NAMED TUBE, AND MEANS CONNECTED TO SAID SECOND FLANGE FOR REMOVING COOLING WATER FROM SAID FIRST NAMED TUBE.