Injection devices

Claim 1

DEVICE FOR INJECTING FUEL AND OTHER LIQUID AND PULVERULENT SUBSTANCES INTO ENCLOSURES WHEREIN HIGH TEMPERATURES ARE PREVAILING, SUCH AS BLAST-FURNACES AND THE LIKE, COMPRISING AT LEAST ONE INNER DUCT-MEANS WITH AN OUTLET, FIRST SUPPLY MEANS FOR SAID SUBSTANCES TO BE INJECTED CONNECTED TO SAID DUCT-MEANS, AT LEAST ONE OUTER TUBE PROVIDED FOR CARRYING A FLUID INTENDED TO PROJECT SAID SUBSTANCE TO BE INJECTED, SAID OUTER TUBE SURROUNDING SAID DUCT-MEANS, AND BEING PROVIDED WITH A NOZZLE HAVING CONICAL INNER WALLS CONVERGING TOWARD THE OUTLET OF SAID INNER DUCTMEANS WHEREBY SAID FLUID IS CARRIED TO GUSH OUT IN THE FORM OF A CONICAL CONVERGENT BEAM, SAID NOZZLE HAVING AN OUTLET SUBSTANTIALLY COPLANAR WITH THE OUTLET OF SAID INNER DUCT-MEANS, BOTH OUTLETS OPENING IN THE FREE AIR, SECOND SUPPLY MEANS FOR SAID FLUID, SAID SUPPLY MEANS BEING CONNECTED TO SAID OUTER TUBE, A SUPPORTING MEANS SITUATED AT THE END OF SAID TUBE AND DUCT OPPOSITE SAID OUTLETS, MEANS FOR SECURING TO SAID SUPPORTING MEANS SAID OUTER TUBE AND SAID SECOND SUPPLY MEANS FOR SLIDABLY MOUNTING ON SAID SUPPORTING MEANS SAID DUCT AND SAID FIRST SUPPLY MEANS, THE SAID SUPPORTING MEANS WITH THE DUCT, TUBE AND SUPPLY MEANS FORMING AN INDEPENDANT COMPLETE UNIT.