We should develop large purified liquid steel vacuum pouring process, raise the level of forging precision and computer control; 发展大型精炼钢水真空浇注工艺;提高锻造精度和计算机控制水平;
A Study of the Mold Steel Level Fuzzy Control System 结晶器钢水液位模糊控制系统的研究
Several parts of the signal processing unit process this amplified signal to linear isolated 4~ 20! mA output that is reliable and available for molten steel level control. 针对结晶器钢水液位测量的特殊性,放大信号再经信号处理单元的若干环节处理成可靠的、适于钢水液位控制的4~20mA线性隔离输出信号。
Stress analysis, fabrication and installation standards of steel coal scuttle were made, in addition, the technical measurement for coal level, type selection for discharge dolly and control process of coal discharge were discussed. 完成了方圆杂交钢煤斗的应力分析,制定了钢煤斗的制作和安装标准、煤位测量技术条件、卸料小车选型、上煤控制工艺。
The article mainly describes caster mould level control system in Zhujiang Steel including its configuration, control mode, control arithmetic, as well as mould level control principle. 本文介绍了珠钢连铸结晶器液位控制系统的配置,控制方式和控制算法,以及液位控制原理。
This paper introduces the structure of mould liquid steel level control system in continuous casting and uses the fuzzy dual-mode control algorithm to control the liquid steel level. 介绍了连铸生产中结晶器钢水液位控制系统的组成。利用模糊双模控制算法控制钢水液位。
The present situation on automatic control technology of mould liquid steel level for continuous casting steel at home and abroad is introduced, including application condition and existing problems of mould liquid steel level measuring technique, control algorithm and actuator in practical production process. 介绍连续铸钢结晶器钢水液位自动控制技术的国内外状况,包括液位检测技术、控制算法和执行器等在实际生产过程中的应用情况及存在的问题。
For the software design of rock-bottom machine, it uses PTO port of PLC to control the stepping motor in order to keep the molten steel level steady, and adopts the mature PI control algorithm to realize closed loop automatic control of mold molten steel level. 下位机软件设计上,采用PLC自带的PTO输出口控制步进电动缸的位置间接控制进入结晶器的流量,采用成熟的PI控制算法实现液位的闭环控制。
This article, based on continuous casting production practice, states the necessity of automatic control of liquid steel level in continuous mold, describes the constitution, principle, technical indices and application effect of type WAL-ⅱ mold liquid steel level automatic control system. 本文从连铸生产实际出发,论述了连铸结晶器钢水液位自动控制的必要性;介绍了WAL&Ⅱ型结晶器钢水液面自动控制系统的组成、原理、技术指标、实施效果;
The simulation and comparison results show that the IMAC control system is prior to the old PID control system and the former is promising to be applied into the mould molten steel level control. 仿真和对比研究表明,引入IMAC后系统的控制效果优于原先的PID控制,结晶器液位预测控制前景看好。
Study on transplanted liquid steel level control system 引进消化移植钢水液面控制仪的研究
The practical production shows that the model is well-justified and effective, has realized the tracking for iron and steel making logistics, and improves the automation level for the logistic control in the process of iron and steel making. 生产实践表明,该模型正确合理,实现了炼钢过程生产物流跟踪,提高了钢铁制造过程物流管制的自动化水平。
Firing temperature control system of 90 m 2 sintering machine in Xiangtan Iron and Steel Company was computer automatic control system for charge level temperature. System construction, control object character, parameter calculation, control model and compiler were introduced. 湘钢二烧90m2烧结机点火温度控制系统采用了计算机自动控制料面温度和空燃比寻优,对该系统的结构、控制对象特性、参数计算、控制模型及编程作了简介。
The effect of molten steel purity, casting temperature, performance of protecting slag, oscillation and liquid level control of mold in continuous casting on surface defect was studied importantly. 重点阐述了钢水洁净度、浇铸温度、保护渣性能、结晶器振动以及液面控制等连铸工艺对表面质量的影响。
The development application study that the iron and steel enterprise of our country's horizontal continous casting technology to the level in succession is still in primary stage at present, so it has realistic significance, which to further investigation in the level horizontal continous casting control system. 目前我国钢铁企业对水平连铸技术的开发应用研究还处于初级阶段,因此对水平连铸控制系统的深入研究具有现实意义。
Strip is an important steel product, and its production level indicates the development level of a national metallurgical industry, machinery industry and control technology. 带钢是主要的钢材产品,其生产技术水准标志着一个国家冶金工业、机械工业及其控制技术的水平。