Apparatus for burning low heat value fuels

Claim 1

APPARATUS FOR THE COMBUSTION OF LOW HEAT VALUE GASEOUS FUEL COMPRISING WALLS DEFINING A HORIZONTALLY ELONGATED FURNACE HAVING A GAS OUTLET ADJCENT A REAR WALL THEREOF, A BURNER POSITIONED IN THE FRONT WALL OF SAID FURNACE FOR THE INTRODUCTION OF HIGH HEAT VALUE FUEL AND COMBUSTION AIR IN A GENERALLY HORIZONTAL DIRECTION, MEANS FOR INTRODUCING LOW HEAT VALUE FUEL INTO SAID FURNACE THROUGH SAID FRONT WALL FROM POSITIONS SPACED ABOVE AND BELOW SAID BURNER, SAID HIGH AND LOW HEAT VALUE FUELS ENTERING SAID FURNACE IN GENERALLY PARALLEL RELATIONSHIP AND MIXING WITHIN SAID FURNACE AT A POSITION SPACED FROM SAID FRONT WALL FOR GENERALLY HORIZONTAL MOVEMENT TOWARD SAID GAS OUTLET, AND MEANS FOR INTRODUCING ADDITIONAL HIGH HEAT VALUE AND LOW HEAT VALUE FUELS AND COMBUSTION AIR INTO SAID FURNACE IN A GENERALLY HORIZONTAL DIRECTION THROUGH A FURNACE WALL POSITIONED GENERALLY NORMAL TO SAID FRONT WALL AND DIRECTED IN IMPINGING RELATIONSHIP WITH THE MIXTURE OF SAID FIRST NAMED FUELS WITHIN SAID FURNACE.