Combustion apparatus for agglutinant and swelling coals having a high content of volatile materials

Claim 1

IN COMBUSTION APPARATUS FOR AGGLUTINANT AND SWELLING COALS HAVING A HIGH CONTENT OF VOLATILE MATERIALS, IN COMBINATION, A FIRE CHAMBER HAVING TWO EXTREMITIES, A STATIONARY GRATE, MEANS FOR SIMULTANEOUSLY AND IN SYNCHRONISM INTRODUCING COALS ON SAID GRATE AT A FIRST EXTREMITY OF SAID FIRE CHAMBER, OBTURATING SAID FIRST EXTREMITY, FORMING ON SAID GRATE AND IN SAID FIRE CHAMBER A THICK LAYER OF SAID COALS, AND PROPELLING SAID LAYER ON SAID GRATE IN THE DIRECTION OF THE SECOND EXTREMITY OF SAID FIRE CHAMBER WHICH IS OPEN, SAID FIRE CHAMBER INCLUDING A REFRACTORY WALL LOCATED AT A RELATIVELY SMALL DISTANCE FROM SAID THICK LAYER IN THE VINCINITY OF SAID FIRST EXTREMITY, TO THEREBY INTENSIVELY RADIATE HEAT ON SAID THICK LAYER IN A CORRESPONDING ZONE, MEANS FOR INTRODUCING PRIMARY AIR UNDER SAID GRATE, MEANS FOR INTRODUCING SECONDARY AIR IN SAID FIRE CHAMBER OVER SAID THICK LAYER, AND MEANS FOR EXPELLING CINDERS RESULTING FROM THE COMBUSTION OF SAID COALS SITUATED IN THE VICINITY OF SAID SECOND EXTREMITY, SAID FIRE CHAMBER COMPRISING A CROWN, PILLARS SUPPORTING SAID CROWN, CHIMNEYS IN SAID PILLARS, WITH AT LEAST ONE SECONDARY AIR OUTLET ORIFICE IN EACH PILLAR, SAID CHIMNEYS COMMUNICATING AT THE UPPER PART OF EACH PILLAR WITH A DISTRIBUTING CHANBER AND THERETHROUGH WITH INTERNAL CONDUITS INSIDE EACH ARCH OF SAID CROWN, EACH ARCH HAVING NOZZLES CONVERGING BENEATH SAID CROWN.