电弧炉

With an accoupation of 136,000 square meters, the investment amounted to 320 million yuan, it is built to have EF、ESR、Forging Hammer、Hot Rolling Mill、Deep Machining and Heat Treatment Shop and Technical Center with the focus of reasearch development, process technology and quality test.

厂区占地13.6万平方米，建有20t电弧炉、5t感应炉、25t炉外精炼、25t真空脱气、1~6t电渣炉、7吨电液锤及热处理以及聚研究开发、工艺技术、质量检测于一体的技术中心。

Slag basicity, foamed slag height, angle of blowing oxygen and reline mode are the main factors influencing lining service life of 20t EAF.

炉渣碱度、泡沫渣高度、吹氧角度、补炉方式等是影响20t电弧炉炉衬寿命的主要因素。

The main production equipment: 3t EAF, 2t intermediate frequency furnace, 2.5m vertical lathe ,5-50t crane line, 2.5 * 3.6m coal-fired heat treatment furnace, 1 * 2m electric heat treatment furnace, metal element automatic analyzer, metallographic analysis Miriam, Flaw Detector.

主要生产设备：3t电弧炉，2t中频炉，2.5m立式车床，5-50t行吊，2.5*3.6m燃煤热处理炉，1*2m电气热处理炉，金属元素全自动分析仪，金相分析仪，探伤仪。

Existing 0.5T, 2T intermediate frequency furnace, 3T cupola, 5T three-phase electric arc furnace, resin sand production line, heat treatment furnace, shot blasting cleaning machine, chemical composition and performance of laboratory testing instruments.

现有0.5T、2T中频炉、3T冲天炉、5T三相电弧炉、树脂砂生产线、热处理炉、抛丸清理机、化学成分化验和性能检测仪器。

We have 30t LF refine ladle, are furnace, electric induction furnace, cupola and other melting equipment Furthermore, we have several resin-sand productive facilities and possess RT, UT and other non-destructive test capabilities of casting.

公司现有员工670余人，公司拥有30吨LF精炼炉、电弧炉、中频炉、等冶炼设备以及树脂砂生产线，具有RT、超声波探伤等无损检测能力。

In light of the characteristics of non-linearity,heavy lag behind,strong coupling, time change, heavy working environmental interference as well as stochastic disturbance and according to the self-adapting control theory the control device with PLC as its core element is used to realize the automatic and accurate control on the lift-up and fall-down of the electrode of electric arc furnace.

针对电弧炉的非线性、大滞后、强耦合、时变、工作环境及随机干扰较强的特点，应用自适应控制理论，采用PLC为核心控制部件，来实现电弧炉电极升降的自动准确地控制。

Based on theoretic deduce and summarizing of application experience, themost effective method for the electric arc furnace hot metal charging and oxygen jetprocess is presented, and it is suggested to be the production guide.

针对电弧炉铁水热装的生产，通过理论推断和实际操作经验的总结分析，归纳出电弧炉铁水热装用氧工艺的最行之有效的方案，用以指导生产

On which, the calculating formulas of which circuits are given when they are operated in asymmetric power voltages and currents, as well as in asymmetric reactances and resistances.

分析三相电弧炉电流不对称对等效电阻、等效电抗的影响，在此基础上，对三相电弧炉在电源电压、短网参数、工作电流皆不对称的情况下，给出了计算公式。

The method of intelligent control based on neural network is applied in electrode current of arc furnace.The electrode current is analyzed and simulated by the BP and RBF models of neral network.

讨论了基于神经网络对电弧炉电极进行智能控制的方法，运用神经网络的BP、RBF以及双隐层BP模型，分别对电弧炉电极的单相电流及三相电流进行了分析和仿真。

It's very important to control the electrode current of arc furnace.

在冶炼工业的电弧炉中有效地控制电极电流，对于电弧炉正常运行至关重要。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。