The distortion control of steels during vacuum oil quench and high pressure gas quenching is discussed. 讨论了钢真空油淬和高压气淬的变形控制问题,提出了在选择这两种工艺时应遵循的原则。
The quench gas of Kellogg multi-bed ammonia converter is the gas from tube-side of heat exchanger 121-C, whose temperature is 142C. 传统凯洛格多床氨合成塔的冷激气是采用经121-C换热的出口气,温度为142℃。
The influence of quench gas pressure on the stability of free vibration is researched, and the change rules of gas film thickness for active regulation is analyzed. 研究了阻封气压力对混合式密封自振稳定动态特性的影响规律,以及混合式密封主动调控时的气膜厚度变化规律。