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1)  quenching [英][kwentʃ]  [美][kwɛntʃ]
急冷
1.
Technical factors for preparation of insoluble sulfur,such as stabilizer,quenching,purification and oil-treating were discussed.
探讨了不溶性硫制备过程中工艺因素的作用,如稳定剂、急冷、提纯、充油。
2.
Existing defects of present quenching tower and process in China's acrylonitrile production plants were analyzed.
针对国内现有丙烯腈生产装置急冷工艺所存在的缺陷,经热模试验、冷模试验分析研究和工业试验修改验证,开发了一种新的急冷工艺。
3.
Skeleton catalysts, such as Ni-Al-Fe-Mo, Ni-Al-Fe-B, Ni-Al-Fe-B-Si and Ni-Al-Fe-Cr (a joint name called Ni-Al-X) , were prepared by quenching.
采用急冷方法制备了Ni-Al-Fe-Mo、Ni-Al-B、Ni-Al-Fe-B-Si、Ni-Al-Fe-Cr等多种骨架镍催化剂(统称Ni-Al-X),在磁稳定床反应器中用Ni-Al-X催化剂进行己二腈加氢制备己二胺的应用研究。
2)  quench [英][kwentʃ]  [美][kwɛntʃ]
急冷
1.
The effects of quenching on strength of Si3N4-SiC composite materials sintered in oxidizing atmosphere are studied in the paper.
研究了急冷处理对氧化烧结氮化硅结合碳化硅复合材料强度的影响,结果表明,经急冷(1400℃)处理制备的试样强度有明显提高。
2.
light hydrocarbon raw material became heavier and cracking furnace dilution ratio increased for Daqing Petrochemical Company ethylene unit,original design for quench system flow and heat exchange capability has many defects.
大庆石化乙烯装置轻烃原料变重、裂解炉稀释比增加,急冷系统流程和换热能力原设计存在许多不足,自装置1986年开工以来急冷系统一直不能正常运行,没有有效的方法回收和利用裂解炉流出物中热量,虽然经过多次技术改造运行状况有所改善,始终没有从根本上解决问题。
3)  rapid solidification
急冷
1.
The influence of the rapid solidification process on the properties of the Cu-Sn powder was investigated.
结果表明 ,使用同样的设备 ,急冷组合雾化与单一雾化相比 ,能使粉末更加细化。
4)  quench condensation
急冷冷凝
5)  Gasoline fractionator
汽油急冷
1.
Aimed at the production characters and problems which exist in gasoline fractionator in large-scale ethylene units,high strength three-pass tray technology is exploited.
针对大型乙烯装置汽油急冷生产特点和存在的问题,开发了大型乙烯装置汽油急冷高强度三溢流塔盘关键技术。
2.
A new tray technology for gasoline fractionator in a large-scale ethylene unit was developed.
针对茂名640 kt/a乙烯装置汽油急冷生产要求和特点,开发了大型乙烯装置汽油分馏塔新型塔板技术, 包括舌形固阀技术,变截面变孔径管式分布器和溢流式槽式液体分布器的液体分布技术、捕液吸能环形折返流气体分布器的气体分布技术,一托二双效桁架支撑梁技术等。
6)  Quench oil
急冷油
1.
This article gives a brief overview of the prime process of quench oil system.
简单介绍了乙烯装置急冷油系统的工艺流程及传统的急冷油减粘方法。
2.
The increase of the viscosity of quench oil could bring serious trouble to the operation of ethylene production.
介绍了近年来乙烯装置急冷油减黏工艺与减黏剂的研究最新进展,对不同的减黏工艺进行了比较,评述了国内外减黏剂的研究现状和机理。
3.
The process parameters in the design and operation of primary fractionation system in ethylene unit,such as primary fractionator bottom temperature,crack gasoline reflux quantity,quench oil recycle quantity,quench oil viscosity,crack gas oil and crack fuel oil extruct quantity,were analyzed.
详细分析了乙烯装置初分馏系统设计和操作的几个主要工艺参数 :汽油分馏塔塔釜温度及塔顶裂解汽油回流量 ,急冷油循环量 ,急冷油黏度 ,裂解柴油采出量 ,裂解燃料油采出量。
补充资料:耐急冷急热性
分子式:
CAS号:

性质:又称耐急冷急热性,耐热崩裂性,耐热冲击性。耐火材料抵抗温度的急变而不破坏的性能叫耐热震性。当制品突然受热(或受冷)发生膨胀(或收缩)时,由于其各部分的变形互相受到制约而产生热应力。当这种热应力超过制品内部的结合力时,制品就产生崩裂或剥落而破坏。耐火制品的耐热震性以实验方法测定。制品的耐热震性除受传递条件影响外主要取决于其热膨胀性、导热性、断裂韧性等,同时也与其组织结构、形状和尺寸等有关。为了防止耐火材料在使用时,因温度急变而引起崩裂,要求耐火材料具有良好的耐热震性。

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