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Chapter two dissertates the component and its configuration of the on-line supervisory control of hydraulic system of walking beam, including the aim, the content and the design principle of this kind of system is also discussed here, and then it introduces the application on network and PLC on-line supervisory control system for this project, including the comparability and affirmance of this system, and also introduces the actual component of this system.

接着论述了基于网络和PLC的监控系统组成在本改造项目中的应用,主要内容有:步进梁液压监控系统方案的比较,方案的确定,实际的在线监控系统的组成以及主要配置等。

The hardware configuration and functions of the automatic control system for reheating furnace are introduced, and the operating principles and functions of automatic walking beam control, automatic billet tracking, double cross limit combustion control, etc are described.

介绍了加热炉自动控制系统的硬件配置和系统功能,并对步进梁步进自动控制、钢坯自动跟踪、双交叉限幅燃烧控制等的原理和功能作了说明。

New tendency of the walking\|beam reheating furnace in low\|temperature rolling, such as the furnace profile, skid pipe, post and pad, combustion control system and optimum control system were briefly introduced in this paper.

简要介绍在低温轧制中,步进梁式加热炉在炉型、水梁、立柱、垫块与燃烧控制系统及优化控制系统等方面新的发展趋势。

Two methods for calculating the post of water beam in walking beam furnace are introduced,and the data from the two methods are compared.

文章介绍了步进梁式加热炉水梁支承立柱的两种计算方法,并对两种方法的计算结果进行了比较,对正确选择立柱断面具有指导意义。

The reasons of damage and preventive measures of the post of support;2. Two methods for calculating the post of water beam in walking beam furnace are introduced,and the data from the two methods are compared.

文章介绍了步进梁式加热炉水梁支承立柱的两种计算方法,并对两种方法的计算结果进行了比较,对正确选择立柱断面具有指导意义。

The paper analyzes the fundamental characteristics of walking beam reheating furnace"s velocity control system in theory, and exactly builds the mathematical model of walking-beam-type reheating furnace"s velocity control system by mechanics analysis. It analyzes capacity speed governing systems dynamic characteristic and anti-interference performance in load. It also simulinks the system.

本文从理论上分析了步进梁加热炉速度控制系统的基本特性,并通过力学分析比较精确的建立了步进梁加热炉速度控制系统的数学模型,分析了泵控容积调速系统的动态性能和抗负载干扰特性,并进行了仿真。

In order to ensure walking beam run in preset rate curve, to avoid happening some accidents in system, for example, the big inertia will result in the ahead impacting of walking beam, the system uses advanced electro-hydraulic control technology.

避免系统中由于大的惯性力而导致的步进梁前冲等事故发生。

Taking normal circulation of heating furnace walking beam for example, the structure and operating principle of three main current change valves are raised with the emphasis on the pressure oil change under each action.

以加热炉步进梁正循环为例,阐述了三个主要电液换向阀的结构及动作原理;并详细分析其每一动作中控制油路压力油的变化情况;说明了将控制油路由"外控"改为"内控"后系统仍然能正常工

Ing kiln and introduces the structural features, technical parameters and specification of 1750 ℃ high temperature walking beam type electric tunnel kiln.

提出了一种超高温新型连续烧成窑,详细介绍了1750℃步进梁式超高温隧道电窑结构特点、技术参数、制造使用技术条件。

To meet requirement of production and quicken rolling speed, No.2 heating furnace was put into operation in 2002 and No.3 in 2007. All automatic control was adopted, displacement of walking beam was detected by displacement transducer, and acceleration and deceleration control of walking beam was carried out through proportional valve and by use of slope technique in program of GE 90-70 PLC, thus, travelling speed of walking beam can be controlled and lift and release of slab can be operated lightly.

为适应生产的需要,加快轧制速度,2002年投产的2号加热炉和2007年投产的3号加热炉均采用全自动控制,利用位移传感器检测步进梁的位移量,通过比例阀以及在GE90-70PLC程序中采用斜坡技术对步进梁运动进行加减速控制,达到控制步进梁运行速度的目的,实现对板坯的轻拿轻放。

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