Refractory powder flame projecting apparatus

A refractory powder flame projecting apparatus comprising a projecting burner body, means for supplying fuel gas, means for supplying oxygen gas, means for supplying refractory powder, said refractory powder supplying means containing an ejector for projecting the oxygen gas from said oxygen supplying means into said projecting burner body, a barrel containing a fuel gas supply pipe, an oxygen gas supply pipe and a refractory powder supply pipe extending from the corresponding supplying means, and said burner body being fixed to one end of said barrel and having a refractory powder passage, and further having a fuel gas passage and an oxygen gas passage communicating with each other, said burner body having a plurality of flame nozzles and powder projecting nozzles opening out of one face of said burner body, said flame nozzles being disposed in at least two parallel straight lines, said powder projecting nozzles being disposed between and parallel to said lines of flame nozzles and a distributor having a plurality of axial grooves, said grooves having individually separated cavities at the remotest end thereof, said distributor being inserted in said refractory powder passage parallel to the lines of powder projecting nozzles so that each cavity communicates with a different plurality of the powder projecting nozzles.