molten metal through the blowing lance. At the lance tip several Laval nozzles, arranged at an angle between 10° and 23° are located. The oxygen flow passing through the nozzles is accelerated to supersonic veloc - ity. The copper lance tip and the steel lance are cooled by recirculating water at a pressure of approx. 6 bar.
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In 2011, JIANGSU XINGRUI PIPING CO.,LTD was formed to provide OXYGEN LANCE and THERMIC LANCE to the commercial steel-making and foundry casting industry. We provided the base of industry blow oxygen or inject carbon into electric arc furnace solutions and skilled experience of
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Oxygen Blowing Lance and its Role in Basic Oxygen Furnace Oct 10, 2015 · In the basic oxygen furnace (BOF) steel making a water-cooled lance is used for injecting a high velocity (super-sonic) stream of oxygen onto the liquid bath for its refining. The velocity or momentum of the oxygen jet results in the penetration of the liquid slag and metal to promote oxidation reactions over a relatively small area.
H. Steiner, in Nuclear Decommissioning, 2012 12.2.3 Thermic lance. A thermic or oxygen lance is a steel tube with steel wires inserted, in which both components are made out of mild steel. This construction allows a flow of oxygen through the tube, as long as one end is connected to pressurised oxygen. If the lances free end is heated by an external flame up to the ignition temperature of
Pipe connection method and connecting structure - Daiwa The lance pipe used to blow oxygen into the steel bath in an open-hearth furnace or electric furnace can be exposed to, for example, temperatures of 1800° C. and therefore wear easily. Pipes which have become shorter can be reused by connecting them with suitable joints. In this case the lance pipes must be connected by air-tight joints to
Steel - Basic oxygen steelmaking BritannicaSteel - Steel - Basic oxygen steelmaking:More than half the worlds steel is produced in the basic oxygen process (BOP), which uses pure oxygen to convert a charge of liquid blast-furnace iron and scrap into steel. The basic oxygen furnace (BOF) is a refractory-lined, tiltable converter into which a vertically movable, water-cooled lance is inserted to blow oxygen through nozzles at
In 2011, JIANGSU XINGRUI PIPING CO.,LTD was formed to provide OXYGEN LANCE and THERMIC LANCE to the commercial steel-makingand foundry casting industry. We provided the base of industry blow oxygen or inject carbon into electric arc furnace solutions and skilled experience of
US3411716A - Oxygen lance for steelmaking furnaces US3411716A US54934966A US3411716A US 3411716 A US3411716 A US 3411716A US 54934966 A US54934966 A US 54934966A US 3411716 A US3411716 A US 3411716A Authority US United States Prior art keywords oxygen pipe lance orifice nozzle Prior art date 1966-05-11 Legal status (The legal status is an assumption and is not a legal conclusion.
V-24 OXYGEN LANCE VALVE - esabna3 stem stem washer o-ring o-ring guide valve assembly 2119322 1/2" 14npt lever assembly - 638981 includes rollpin (7/32" x 1") 62399001 * b size connection - 8696
Jan 27, 2021 · The typical oxygen lance is a very simple device which consists of a alloy steel tube with an inside diameter of 0.15 to 0.25 inches (about 3-6 mm), a specially designed long reach oxy-acetylene torch, an oxygen source capable of supplying a constant 40-50 PSI (2.7-3.5 bar) flow to the lance, and suitable fire proof safety equipment.The lance tube itself should be as long as is practical since Oxygen Lance, Oxygen Lance direct from Jiangsu Xing Rui Oxygen Lance from Jiangsu Xing Rui Piping Co., Ltd.. Search High Quality Oxygen Lance Manufacturing and Exporting supplier on . Hot Sale Blow Oxygen Lance Pipe For Furnace Steelmaking Min. Order:1000.0 Pieces FOB Price:$5.00 Cheaper Price Wholesale Oxygen Lance Pipe For Smelting Steel In Metall Min. Order:1000 Pieces