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盐浴加热淬火是目前热处理行业大量应用的少、无氧化脱碳加热工艺。盐浴在使用过程中由于工件表面的氧化铁、吸附的水和氧不断地加入盐浴;盐浴表面与空气中水分和氧不断反应;以及补加盐中的水和杂质进入盐浴,都使盐浴中的氧化物和杂质的含量不断升高,使工件表面氧化脱碳不断加重,严重影响加热淬火工件的质量。以往用周期性加入校正剂的方法,以保证盐浴中氧化物含量在一定范围以内,为了减少校正操作所用的工时、电力
Salt bath heating quenching is currently a large number of applications in the heat treatment industry, non-oxidation decarburization heating process. Salt bath in the course of the workpiece due to the iron oxide, water and oxygen continue to join the salt bath; salt bath surface and air moisture and oxygen continue to react; and salt and water added to the salt bath, both Salt bath so that the oxide and impurity levels continue to increase, so that the workpiece surface oxidation decarbonization continue to worsen, seriously affecting the quality of the workpiece quenched. In the past with a periodic correction agent to ensure that the salt bath salt content within a certain range, in order to reduce the time required for calibration operations, electricity