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1)  secondary cooling
二冷配水
1.
Optimization for object surface temperature-based secondary cooling scheme of billet continuous casting;
基于目标温度的方坯连铸二冷配水方案优化
2.
A method based on CACO(chaos ant colony optimization) algorithm and 2-D solidification and heat transfer model was presented to optimize the water distribution parameters in secondary cooling for continuous casting — a multi-criteria optimization problem.
针对连铸二冷配水参数设置这一多准则优化问题,提出了基于混沌蚁群算法和二维凝固传热数学模型的二冷参数优化方法。
2)  secondary cooling water distribution
二冷配水
1.
This paper specifies the technical innovation and technological optimization in some important working step units,which include flow field of tundish,mold and secondary cooling water distribution etc.
本文介绍了宣钢炼钢厂通过对连铸机中间包流场、结晶器、二冷配水等重要工序单元进行技术改造和工艺优化,提高了铸坯质量,为开发生产品种钢提供了保证。
3)  secondary cooling water rate
二冷配水
1.
Effect of Secondary Cooling Water Rate on Concasting Slab Quality of 304 Stainless Steel;
二冷配水对304不锈钢连铸板坯质量的影响
4)  protective slag
二冷配水参数
1.
Rebuilding the withdrawal and straightening machine, development of automatic protective slag adding system and continuous temperature measuring technology of tundish and parameter optimizing of the dual-cooling water distribution make the all-round rise of the productively and technically economic index of billet caster and reach the domestic advanced level.
通过对拉矫机的改造和自动加保护渣系统、中间包连续测温技术的开发及二冷配水参数的优化,使小方坯连铸机生产技术经济指标全面提升,达到了国内先进水平。
5)  spraying water model
二冷配水模型
1.
After long operation, it is found in recent years that the secondary cooling spraying water system(spraying water model) can’t meet the requirement, which the high efficient continuous casting ask for on quality, production rate and casting speed.
这两台铸机长时间使用后,近年发现其二冷配水制度(二冷配水模型)已不能适应目前高效连铸下对铸坯的质量要求、对铸坯提高生产率和拉速的要求、对生产品质钢和优钢的要求。
6)  dynamic secondary cooling
动态二冷配水
1.
In this paper,the key technologies,such as non-sinusoidal oscillation of the mold,M-EMS,dynamic secondary cooling,dynamic soft reduction,and their application to bloom continuous casting for heavy rail steel U71Mn and U75V in Baotou Steel have been presented.
本文介绍了包钢大方坯连铸机应用结晶器非正弦振动、结晶器电磁搅拌、动态二冷配水与动态轻压下等关键技术生产重轨钢U71Mn、U75V等代表性钢种的效果。
补充资料:二(乙酰丙酮基)二水配位镍
分子式:C10H14NIO4.(H2O)2
分子量:292.94
CAS号:

熔点:228℃
性状:蓝绿色斜方晶系结晶。
溶解情况:微溶于水和甲醇,溶于乙醇。
用途:用作树脂交联剂和固化促进剂;环氧树脂粘合剂的固化剂;有机合成催化剂;燃料油添加剂,可提高润滑性和燃烧性;石油裂解和烯烃聚合催化剂。
制备或来源:以六水合氯化镍为原料,用水将其溶解,在搅拌下,加到乙酰丙酮的甲醇溶液中,再加入三水合乙酸钠溶液,搅拌,溶解后,加热,浓缩,冷却,析出蓝绿色沉淀,过滤,用冷水洗涤,干燥,可得粗制品,将粗制品在甲醇溶液中重结晶精制。
备注:在温甲苯中共沸,脱水,生成乙酰丙酮镍无水物。在真空下加热至100℃,也脱水变成浅绿色无水物。


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