Method for flame spraying of gunite on lining of metallurgical units

PCT No. PCT/SU80/00024 Sec. 371 Date Dec. 18, 1980 Sec. 102(e) Date Dec. 18, 1980 PCT Filed Feb. 13, 1980 PCT Pub. No. WO80/02320 PCT Pub. Date Oct. 30, 1980.A method for flame spraying of gunite on the lining of metallurgical units, comprising a delivery of a mixture of a refractory material and fu...

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Hauptverfasser:	TISCHENKO, OLEG I, BAT, JURY I, DONSKOI, SEMEN A, ANTONOV, VENIAMIN V, GAMALEI, EDVIN I, DOLZHENKOV, FEDOR E, CHERVONENKO, VIKTOR M, KULICHENKO, VALENTIN A, SHTEPA, EVGENY D
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BLASTING CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON NOZZLES OVENS PERFORMING OPERATIONS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS
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Zusammenfassung:	PCT No. PCT/SU80/00024 Sec. 371 Date Dec. 18, 1980 Sec. 102(e) Date Dec. 18, 1980 PCT Filed Feb. 13, 1980 PCT Pub. No. WO80/02320 PCT Pub. Date Oct. 30, 1980.A method for flame spraying of gunite on the lining of metallurgical units, comprising a delivery of a mixture of a refractory material and fuel in a central axisymmetric flow and a delivery of oxygen in an annular flow concentric with the flow of the refractory material and fuel, a heating and fusion of the refractory material in a high-temperature flame, and applying particles of the refractory material to the surface of the lining. Oxygen is delivered in a tapering annular flow rotating about its axis. The ratio between the rotation momentum of the oxygen flow and the momentum of the flow of the refractory and fuel is maintained in the range of 0.3 to 3.0.