explain with block diagram of continuous hot rolling mill

PLC Programming For A Water Level Control System: Design ...

puri cation, chemical, pulp and paper production, and food production. The block diagram of a typical industrial control system is shown in Fig 1.1. In a process Figure 1.1: Industrial Control System control system, the controller always plays a signi cant role to transact the operating conditions of the system.

steel rolling mills block diagram - BINQ Mining

steel rolling mills block diagram – Grinding Mill China. SDL – Consulting – Rolling Mill Chatter Rolling mill chatter is a vibration problem limiting the throughput of nearly all … Multi-Stand Cold Roll Steel Mill. … »More detailed

P.E.S. College of Engineering, Mandya - 571 401

Draw the block diagram of electric drive and explain each components of it. 4 ... excited dc drive under continuous mode with relevant circuit and waveforms 10 ... Draw the single line diagram and explain the various stages of operation in rolling mill 10. SI.NO Model Question Paper Marks CO's Levels UNIT-I

Rolling Mill - an overview | ScienceDirect Topics

Santanu Chakraborty, in Treatise on Process Metallurgy: Industrial Processes, 2014. 6.5 Rolling Mills. The rolling mill facilities were designed to meet the production requirement of Table 1.The rolling mills complex was proposed to include a light and medium merchant mill with breakdown group of stands for rolling blooms into billets and an intermediate in-line heat compensating …

Metal casting processes - IIT Guwahati

R.Ganesh Narayanan, IITG ME 222 Manufacturing Technology - I (3-0-0-6) Introduction to manufacturing processes Casting processes: Moulding materials and their requirements; Patterns: Types and various pattern materials.

US6227021B1 - Control apparatus and method for a hot ...

A control apparatus for a hot rolling mill having a plurality of rolling stands, including a roll gap tension controller configured to control a roll gap of one of the rolling stands so that a detected interstand tension value of a rolled material positioned between the adjacent rolling stands accords with a target interstand tension value thereof; and a tension width controller …

Coupling Dynamic Model and Control of Chatter in Cold Rolling

The dynamic model of 4-h mill, which couples with the rolling process model, the mill roll stand structure model, and the hydraulic servo system model, is …

US5267170A - Method and apparatus for controlling …

FIG. 1 is a block diagram showing an arrangement of a control apparatus for realizing a method of controlling a rolling mill according to the present invention.

Rolling of Metals: Process and Principles (With Diagram)

The rolling process is shown in Fig. 2.1: Rolling is done both hot and cold. It is accomplishes in rolling mills. A rolling mill is a complex machine having two or more working rollers, supporting rollers, roll stands, drive motor, reducing gear, flywheel, coupling gear etc. Rollers may be plain or grooved depends upon the shape of rolled product.

EQUIPMENT CONDITION MONITORING TECHNIQUES

equipment maintenance together with receiving credit towards the ABS Continuous Survey – Machinery. These Guidance Notes become effective on the first day of the month of publication. Users are advised to check periodically ABS on thewebsite to verify that this version of these Guidance Notes is the most current.

Dc motor speed controller by pwm technique

Abstract This report focuses on controlling the speed of a DC motor using PWM technique. Direct current (DC) motors have been widely used in many industrial applications such as electric vehicles, steel rolling mills, electric cranes, and robotic manipulators due to precise, wide, simple, and continuous control characteristics The dc motor speed in general is directly …

Soaking Pit | Eurotherm by Schneider Electric

The rolling stages may be several, from Primary and Secondary mills through Scarfing, Roughing, Intermediate and Finishing mills. As the ingots are being fed to the mills every few minutes but the heating and soaking cycles take hours (ingots weigh several tonnes), many soaking pits are needed to ensure availability of material to the mills 24 hours a day.

Automatic Tension Control in the Continuous Roughing Train ...

The automatic tension control system of the three-stand continuous roughing train of the 2000 hot-rolling mill at the Magnitogorsk Metallurgical Combine is analyzed. Deviations in interstand tension that are several-fold higher than the …

Fundamentals of Electrical Engineering I

Chapter 1 Introduction 1.1Themes1 From its beginnings in the late nineteenth century, electrical engineering has blossomed from focusing on electrical circuits for power, telegraphy and telephony to focusing on a much broader range of disciplines.

15EE61T: Industrial Drives and Control Electrical 6th Sem ...

Draw the process flow diagram of steel mill and explain process involved Ref 3 01 Hour; Select a suitable motor and drive in steel mills and justify the selection reverse hot rolling reverse cold rolling, continuous hot rolling continuous cold rolling Ref 3 01 Hour

Quality aspects in the production of copper–alloy strip ...

Brass with 36% zinc is annealed in such a way that the beta-phase remaining after hot rolling is practically eliminated. Figure 7 Rolling mill. control s y ~ r c ~ n W. Durrschnabel For the intermediate anneals after rolling on the wide-strip 4-high mills, two vertical continuous strip annealing furnaces are used.

Shearing Process and Shears – IspatGuru

Shearing Process and Shears. Shearing is a simple process used for the cutting of metals. It is basically a metal fabrication process and is being used in rolling mills at several places for hot as well as for cold cutting of the steel material. Shears can be used to cut steel and other materials of any size or shape.

Coiling temperature control method and system - Kabushiki ...

To cool a strip rolled by a hot rolling mill using cooling banks installed on the run out table at the delivery side of the hot rolling mill, and to control the strip temperature in front of coiler to a preset target temperature, the strip is conceptually divided into segments or cooling units which have a length equal to the length of a single cooling bank, the temperatures of the …

Unfavourable Reactive Power in a Rolling Mill

The basic block diagram of the rolling mill is shown in Fig. 2. Fig. 2. Basic block diagram of the rolling mill power system . 4. Substation R5. The four very important rolling stands (Stands I to IV) are powered from the substation R5, which the filter-compensation unit is …

Method of controlling a hot strip finishing mill ...

FIG. 1 is a block diagram illustrating a construction of an apparatus for controlling a hot strip finishing mill for embodying this invention in combination with a rolling system. Referring to the same Figure, a rolled material 8 is rolled to a target size by rolling stands 1.about.7 arranged at predetermined spacings.

Finite State Machines

Step 1: State Transition Diagram • Block diagram of desired system: DQ Level to Pulse FSM LP unsynchronized user input Synchronizer Edge Detector This is the output that results from this state. (Moore or Mealy?) 11 Binary values of states "if L=0 at the clock edge, then stay in state 00." "if L=1 at the clock edge, then jump to state ...

Schematic Of A Rotary Kiln

FIG. 3 is a schematic diagram illustrating the interior of a rotary kiln during the controlled burning process of this invention. FIG. 4 is a schematic drawing illustrating the feed nozzle for introducing the aqueous suspension of waste feed into the rotary kiln. FIG. 1 illustrates the overall process of this invention in block diagram form.

rolling mill plant single line diagram

A continuous mill plant for rolling steel plates having one or a plurality of rolling mills. ... The form of an area between the lower and upper limit lines in each .... 5 is a diagram showing a speed cone of a rolling mill modified...

Introduction to Process Control

•Continuous stirred-tank reactor (CSTR). •If the reaction is highly exothermic, it is necessary to control the reactor temperature by manipulating the flow rate of coolant in a jacket or cooling coil. The feed conditions (composition, flow rate, and temperature) can be manipulated variables or disturbance variables. Continuous Processes-cont.

Prof. Gu's Solutions & the Birth of the Theory of ASRD ...

5.3 Adaptive Control of Continuous Hot-Rolling Mills Adaptive control is the control method used by a controller which must adapt to a controlled system with parameters which vary, or are initially uncertain. In continuous hot-rolling application, the zero procedure is to set the measure reference for the GM-AGC (Gauge Meter-Automatic Gauge ...

Steel Rolling Technology Handbook (2nd Revised Edition)

Roll wear is more severe with this type of hot-strip mill than with semi-continuous and continuous hot-strip mills. However, this disadvantage can be alleviated considerably by the use of hot-rolling lubricants. Steckel hot mills are capable of productivities ranging from 250,000 to over 1,000,000 tons per year.

The working principle of ball mill - Meetyou Carbide

The ball mill consists of a metal cylinder and a ball. The working principle is that when the cylinder is rotated, the grinding body (ball) and the object to be polished (material) installed in the cylinder are rotated by the cylinder under the action of friction and centrifugal force.

Chapter 19 Programming the PID Algorithm

Ch 19 PID Block 5 𝑦=𝐾𝑝∙ +𝐾𝑖∫ ∙ +𝐾𝐷 𝑡 with 𝐾𝑖= 𝐾𝑝 𝑇𝑛, 𝐾𝐷=𝐾𝑝∙ 𝑣 Fig. 19-5 PID Diagrams and Equations Objectives of Control System Setting For the control result to be satisfactory, selecting a suitable controller is an important aspect.

Board of Technical Examinations, Bengaluru Course Title ...

Draw the process flow diagram of steel mill and explain process involvedRef 3 01 Hour 14. Select a suitable motor and drive in steel mills and justify the selection reverse hot rolling reverse cold rolling, continuous hot 01 Hour

Process Control Concepts, Dynamics And Applications.pdf ...

A block diagram representation of a stirred-tank heat exchanger control system, as shown in Figure 1.9, is depicted in Figure 1.13. Disturbance T(t) Set-point Set point (SP) (SP) S e(t) Controller Feedback Figure 1.13 1.5.1 p(t) Heater Q(t) Stirred tank T(t) Sensor/transducer Block diagram of stirred-tank temperature control system.