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Method for cooling a lance for introducing a medium into the melt and / or for measuring the properties of the melt, and a lance for carrying out this method
Method for cooling a lance for introducing a medium into the melt and / or for measuring the properties of the melt, and a lance for carrying out this method
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机译:用于冷却用于将介质引入熔体和/或用于测量熔体的性质的喷枪的冷却方法以及用于执行该方法的喷枪
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摘要
The invention relates to a method for cooling a lance provided for converting a medium into a molten mass and/or for measuring the properties of the molten mass. A gas/liquid mixture is fed as a cooling medium into a cooling circuit which is closed up to the lance end (2) situated on the melting side. The invention provides that the gas/liquid mixture or the components thereof is/are fed and permitted to expand under pressure up to the area of the lance end (2) situated on the melting side. The invention also relates to a lance which has a mixing chamber (5, 6) connected to the cooling circuit. The mixing chamber has the connections (3, 7) for a gas and liquid supply which is designed to produce the gas/liquid mixture, whereby the mixing chamber (5, 6) is connected via a pressure line (10) to at least one two-component nozzle (11) arranged in the area of the lance end (2) which is situated on the melting side.
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