1) argon bubbling technology
吹氩技术
1.
Effect of argon bubbling technology on flow field in tundish is studied based on finite element analysis software.
研究了基于有限元分析软件对吹氩技术、中间包流场的影响,结果表明在中间包注人流与堰之间安装多孔透气砖可促进夹杂物的去除。
2) blowing argon
吹氩
1.
2 slab caster of Meishan Steel,the influence of casting speed,immersion depth of nozzle and blowing argon flowrate on bubble distribution in the mold was investigated by using water model.
根据物理模拟结果对吹气量进行了优化,得到了吹氩量与结晶器通钢量的定量关系式,并在大生产中进行了应用。
2.
The interfacial behavior between fluid steel and molten slag layer in a slab continuous casting mold with blowing argon gas was described using the VOF (volume of fluid) method and Lagrange multi-phase flow model,and the prediction was validated by the water model.
利用VOF方法和Lagrange两相流模型描述了吹氩结晶器内钢/渣界面行为,并用水模型实验检验了数值模拟结果。
3.
By adopting the measures such as discharging at high temperature, blowing argon and stewing treatment, the inclusion in high carbon Si-Mn cast steel can reduce obviously, its content can be controlled under 0.
采用钢液高温出炉、吹氩处理以及吹氩后静置处理等工艺措施,可以明显减少高碳硅锰铸钢中的夹杂物,夹杂物含量可以控制在0。
3) argon blowing
吹氩
1.
Study on inclusion removal of ladle argon blowing process;
不同钢包吹氩工艺对夹杂物去除效果的比较
2.
Numerical simulation of argon blowing behaviors of molten steel with purging plug in ladle bottom;
透气砖在炉底位置与钢液吹氩行为的数值模拟
3.
Mathematical simulation of flow field of molten steel in ladle furnace with argon blowing;
LF炉底吹氩时钢液流场的数值模拟
4) argon injection
吹氩
1.
Influence of argon injection into slab continuous casting molds on slag entrapment in billets;
板坯连铸结晶器吹氩对铸坯卷渣的影响
2.
1 continuous slab-casting machine in Baosteel as the object, a multi-phase model was applied to simulate the velocity, temperature fields and gas distribution of molten steel with argon injection.
以宝钢一连铸板坯结晶器为研究对象,采用多相流模型计算了吹氩后结晶器内钢液的流场、温度场及氩气分布。
3.
Through degassing by argon injection into ladle,however,We have improved the quality of steel and satisfied the performance needs of steel products.
通过冶炼工艺,采用钢包吹氩等措施,改善了钢的质量,满足了钢材的性能要求。
6) purging technology
吹扫技术
1.
Thus, deepens the understanding of the theories of steam pipe purging technology and practical operating methods, providing references for improvement of pipe design, construction, monitoring, check and acceptance as .
深化了对蒸汽管线吹扫技术理论及实际操作方法的认识,对改进管线设计、施工、监理、验收及同类管线吹扫工作具有参考意
补充资料:氩39-氩40法测年
分子式:
CAS号:
性质:将含钾样品放入核反应堆中接受快中子照射,40K核被打进一个中子,而后放出一个质子,形成39Ar,用质谱计测定被照射样品的40Ar/39Ar比值,代替常规钾-氩法中40Ar/40K比值,从而计算出样品年龄的方法,计算公式如下:t=λ-1ln(1+J•40Ar/39Ar)。式中J=39Ar/40Ar•λ/λkΔT∫φ(ε)σ(ε)dε是样品照射持续的时间,Ф(ε)是能量为ε时的中子通量,σ(ε)为39K(n,p)39Ar的反应截面,实验中用一已知年龄(ts)的标准与待测样品一块进行辐照,由下式求得J值:J=(eλt-1)/(40Ar/39Ar)。此方法解决了过去钾、氩分别由不同方法测定所产生的不同误差使年龄精度较低的弊端;同时由于照射后样品氩的释放可采用阶段加温方法,对一个样品便可获得一系列的表面年龄,最终得到代表矿物或岩石结晶的稳定坪年龄;或由等时线法处理得到样品的年龄、认识外来氩的混入状况。
CAS号:
性质:将含钾样品放入核反应堆中接受快中子照射,40K核被打进一个中子,而后放出一个质子,形成39Ar,用质谱计测定被照射样品的40Ar/39Ar比值,代替常规钾-氩法中40Ar/40K比值,从而计算出样品年龄的方法,计算公式如下:t=λ-1ln(1+J•40Ar/39Ar)。式中J=39Ar/40Ar•λ/λkΔT∫φ(ε)σ(ε)dε是样品照射持续的时间,Ф(ε)是能量为ε时的中子通量,σ(ε)为39K(n,p)39Ar的反应截面,实验中用一已知年龄(ts)的标准与待测样品一块进行辐照,由下式求得J值:J=(eλt-1)/(40Ar/39Ar)。此方法解决了过去钾、氩分别由不同方法测定所产生的不同误差使年龄精度较低的弊端;同时由于照射后样品氩的释放可采用阶段加温方法,对一个样品便可获得一系列的表面年龄,最终得到代表矿物或岩石结晶的稳定坪年龄;或由等时线法处理得到样品的年龄、认识外来氩的混入状况。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条