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本文阐述了氧探头的工作原理、结构及应用温度范围。并从理论上推导出炉气氧分压与碳势之间存在着一定比例关系,因此证明了氧探头对井式渗碳炉碳势自动控制的可能性。介绍了YTT—1A型氧探头氧势控制仪存井式渗碳炉中,进行炉气碳势控制原理及装置。通过试验证明:只有严格控制甲醇与煤油滴注液的比例关系,热裂后生成气氛才具有可控性。并用试验方法绘制了氧探头电势和碳势之间关系曲线,以便生产应用。还叙述了氧探头氧势控制仪的优点。氧探头氧势控制仪将为井式渗碳炉炉气碳势自动控制开辟新的途径。
This paper describes the working principle of oxygen probe, structure and application temperature range. And deduced theoretically that there is a certain proportional relationship between oxygen partial pressure and carbon potential in the furnace gas, thus proves that the oxygen probe can automatically control the carbon potential of the pit carburizing furnace. Introduced YTT-1A-type oxygen probe oxygen potential control instrument in-well type carburizing furnace, the furnace carbon potential control principle and device. Proved through experiments: only strict control of the proportion of methanol and kerosene instillation, thermal cracking after the formation of the atmosphere is controlled. And with the experimental method drawn oxygen probe potential and carbon potential curve, in order to produce applications. Also describes the oxygen probe oxygen potential controller advantages. Oxygen probe oxygen potential controller for well type carburizing furnace gas carbon potential automatic control opens up new avenues.