Application of Chilling and Modification with Sb-composition to Al-alloy Blades of Large Fan for Mines;
激冷与锑复合变质在大型矿山风机铝合金叶片上的应用
Thus,both chilling-solid solution-aging and solid solution-deforming-aging technologies with(coupling) of grain refining and aging strengthening mechanisms have been proposed and studied based on the larger Hall-Petch coefficient of magnesium alloys.
为此,针对镁合金Hall-Petch系数较大的特点,将“晶粒细化”和“时效强化”两种机制耦合或复合在一起,设计了“激冷固溶时效”、“固溶形变时效”两种方法,由此显著地提高了AZ91镁合金的强韧性水平。
New Rule on Chilled Temperature Field and Application;
受激冷却温度场的描述新规则及应用
The entrainment properties of mixed gas passing through a cistern in quench chamber of Texaco gasifier were investigated by a three-dimensional numerical simulation.
采用三维数值模拟方法对德士古气化炉激冷室内合成气穿越液池过程的流动特性以及合成气带水等关键问题进行了研究,探讨了两管(上升管和下降管)间隙、气流速度以及液膜流速对带液量的影响。
In order to find the pattern of turbulent flow and heat transfer of synthetic gas in the Vertical downward pipe,a numerical model based on analyzing the flow and heat transfer features of the vertical pipe in quench chamber is first presented.
经分析 ,气化炉激冷室结构设计不够合理 。
In this paper,the estimation model of black water recirculating flux within quench chamber is deducted.
本文推导出激冷室内黑水循环流量的估算模型，分析了影响循环量的因素，并提出了工程实施的注意事
The surface of the sag has columnar grain and there is no chilled layer.
某低碳非调质钢的连铸方坯表面纵裂伴有凹陷,凹陷表面是柱状晶,未发现激冷层。
The wear resistance of chilled cast iron cams with different graphite contents in the chilled layer were studied through wear contrast test.
采用磨损对比试验 ,研究了激冷层中不同石墨含量激冷铸铁凸轮之间的耐磨性关系。
To solve the existing problems concerning cone bottom bricks, quenching ring and the vertical pipe in Chinese-built coal gasifiers based on coal-water slurry, countermeasures were put forward from the aspects of technical innovation, operation and equipment management.
针对国产化大氮肥水煤浆气化炉中锥底砖、激冷环和下降筒使用过程中出现的问题,分析了损毁原因,分别从技术改进、工艺操作和设备管理等方面提出了相应的解决对策,可以不同程度地延长锥底砖、激冷环、下降筒的寿命。
Through analysis of the problems existed in the quenching ring structure at the original startup,the number and direction of water distribution holes were improved reasonably,semi-circular rings were embodied into one forging,which is easy to clean and ensures uniform water film,thus improves the operating period of quenching ring.
激冷环是大氮肥装置水煤浆气化炉的关键部件,直接影响气化炉的稳定运行。
In room temperature,under load and continuous lubrication condition, malleable iron,wear resistant iron,naduar iron,chilled iron with 45 # steel can be employed;chilled with wear resistant iron;chilled with chilled iron comparative testing research friction-wear characteristics of chilled iron.
在室温、载荷及连续润滑条件下 ,用可锻铸铁、耐磨铸铁、球墨铸铁、激冷铸铁与 4 5 # 钢 ,激冷铸铁与耐磨铸铁 ,激冷铸铁与激冷铸铁对磨试验 ,研究了激冷铸铁的摩擦磨损性能 结果表明 ,激冷铸铁的摩擦系数与磨损量均小于可锻铸铁与耐磨铸铁 ,其摩擦系数波动在 0 。