QUENCHING: The process of rapid cooling from an elevated temperature. The product is placed in contact with liquids or gases, usually oil, water, or air.
淬火：指从某一高温快速冷却的过程。产品被放置于液体或气体中接触，通常是油，水或者空气。
To make quenching and control cooling equipment of plate achieve optimum cooling performance, it is necessary to ensure the impinging jet able to penetrate through the water layer deposited on plate.
要使中厚板淬火控冷装置获得最佳的冷却能力，必须要保证冲击射流可以穿透钢板表面的滞留水层。
Elevating the temperature of the cooling water or reducing the wall temperature before water quenching can prevent walls from yielding effectively.
提高冷却水温度或降低进水冷焦前塔体温度能有效防止塔体产生塑性变形。
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