Fluid sprinkling – spraying – and diffusing – With viscosity or temperature responsive control means
Patent
1986-09-22
1987-07-07
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With viscosity or temperature responsive control means
239 85, 2394161, 2394175, 239571, 431 19, 431 22, 431346, B05B 1210
Patent
active
046781200
ABSTRACT:
A refractory flame-gunning apparatus has a feeder, a controller and a flame-gunning burner. The feeder has a refractory-powder feeding section, an inflammable-gas feeding section and a combustion-assisting-gas feeding section. The controller controls the supply of refractory powder, inflammable and combustion-assisting gases. The flame-gunning burner has a plurality of refractory powder and flame ejecting nozzles disposed at its tip. The flame-gunning burner has a gas mixer and a combustion-assisting-gas cutoff valve. The gas mixer has an inflammable-gas passage leading to the inflammable-gas feeding section, a combustion-assisting-gas passage leading to the combustion-assisting-gas feeding section, a gas mixing chamber communicating with the inflammable and combustion-assisting gas passages, and a mixed-gas passage the upstream side of which communicates with the gas mixing chamber and the downstream side of which communicates with the flame ejecting nozzles. The gas mixer is provided for each individual flame nozzle. The combustion-assisting-gas cutoff valve is provided in the gas mixer and is actuated by the gas pressure built up in the mixed-gas passage. When backfire occurs, the pressure in the mixed-gas passage rises to close the combustion-assisting-gas cutoff valve, whereby the backfire is put out instantaneously.
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Forman Michael J.
Kashnikow Andres
Nippon Steel Corporation
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