Gas treating apparatus

Claim 1

APPARATUS FOR CATALYTICALLY OXIDIZING THE COMBUSTIBLE CONSTITUENTS OF A GAS STREAM COMPRISING A FIRST CHAMBER CONTAINING A BURNER FOR PRODUCING HOT COMBUSTION GASES, AN INLET INTO SAID CHAMBER FOR ADMITTING SAID GAS STREAM THERETO, AN OUTLET FROM SAID CHAMBER FOR WITHDRAWING THEREFROM SAID GAS STREAM MIXED WITH HOT COMBUSTION GASES, A SECOND CHAMBER CONTAINING A BED OF OXIDATION CATALYST HAVING A GAS INLET THERETO, MEANS FORMING A PASSAGE FOR SAID GAS STREAM AND CONNECTING THE OUTLET FROM SAID FIRST CHAMBER AND THE GAS INLET TO SAID SECOND CHAMBER, FLUID IMPELLER MEANS IN SAID PASSAGE AND HAVING ITS SUCTION SIDE ARRANGE TO DRAW UPON THE OUTLET FROM SAID FIRST CHAMBER AND HAVING ITS DISCHARGE SIDE ARRANGED TO DISCHARGE SAID GAS STREAM MIXED WITH SAID HOT COMBUSTION PRODUCTS INTO THE INLET TO SAID SECOND CHAMBER AND THROUGH SAID BED OF OXIDATION CATALYST, SAID IMPELLER MEANS BEING ADAPTED AT THE SAME TIME TO MIX MECHANICALLY SAID GAS STREAM AND SAID COMBUSTION PRODUCTS TO PROVIDE A HOMOGENOUS MIXTURE THEREOF, SO AS TO THUS PROVIDE A MIXTURE OF UNIFORM TEMPERATURE BEFORE INTRODUCING INTO SAID SECOND CHAMBER.