Minerals Technologies Inc. · NYSE:MTX
Minerals Technologies — Technical Presentation (July 2024)
37 slides from Minerals Technologies's technical presentation, July 2024
Slide 1: DECTEQ Measuring Technology for Steel Industry
1 Dr.-Alfred-Herrhausen-Allee 24 47228 Duisburg Germany DECTEQ Product line Measuring Technology for Steel Industry
Slide 2: Digital Electrode Control MeltNet
2 Digital Electrode Control MeltNet One Standard Regulation for EAF as well as for LF, for Single or Twin Shell also. The MeltNet is an universal electrode control system for electric arc furnaces (EAF) as well as for ladle heating furnaces (LF). The MeltNet is a further development of the Windows N
Slide 3: Benefits
3 Benefits The MeltNet is a powerful tool, which can: • reduce the tap to tap time • reduce the electrode consumption • reduce the energy consumption • reduce the refractory consumption • reduce the commissioning times ( Commissioning within 5 days ) • extend the maintenance intervals • allow flexib
Slide 4: Technical Basics
4 Technical Basics MeltNet Visualisation system Industrial-PC workstation consisting of: Industrial slot CPU-board with Intel C2D Desk 2,8GHz, 2GB RAM, 17” TFT touch screen 1280x1024 dot, touch pad, keyboard, hard disk 250GB, DVD-ROM, 2 Ethernet ports, Windows 7 Pro Hardware controller Embedded syst
Slide 5: Setup of the MeltNet System
Setup of the MeltNet System gowski Coils* Workstation Control Desk Proportional Valves TECHNOLOGIES YW MiNTEQ FERROTRON MiNTEQ
Slide 6: Setup of the MeltNet System
6 Setup of the MeltNet System MeltNet PLC-Furnace Visualisation Control System Network Switch U, I, P Signal FPGA Measurement With Controller Program Data Analog-Digital- Digital-Analog- Proportional conditioning Converter Converter valves ASP-Box Embedded System Ux (-10V...+10V)
Slide 7: MeltNet Workstation
7 MeltNet Workstation 17” Touch Screen Display Keyboard Mouse Touch-Pad DVD-ROM Drive Power On/Off Screen Control USB Connector
Slide 8: Selectable Main Screen
Selectable Main Screen wy MettNetvis File Setup Tools View Help Electrode 1 [alll Automatic fey Overcurrent eal Breaking Prevention ea Dipping Prevention fem Undervoltage fell Electrode too short oy 11:17:42 AM Electrode 2 = Movement [aa Automatic Movement (ea Manual fam Overcurrent Sea Breaking Pre
Slide 9: Alternative Main Screens
Alternative Main Screens MINERALS :CHNOLOGIES: | FERROTRON A MINTEQ D\ViS/ON
Slide 10: Alternative Main Screens
Alternative Main Screens 10 File Setup Tools View Help MINERALS Vj ~y MiNTEQ | FERROTRON A MINTEQ D\ViS/ON
Slide 11: Analog Signal Processor for signal treatment and conditioning
11 Analog Signal Processor for signal treatment and conditioning Digital Signal Processor - Controller latency < 5ms - Input sampling rate 2.5kHz - Real time signal processing (FFT, TRMS, control algorithms) Analog Inputs - Electrode voltages U1, U2, U3 - Electrode currents I1, I2, I3 - Hydraulic pr
Slide 12: Embedded System
12 Embedded System Basic Module Serial Port Profibus DP 4 Ch Analog RS-232 Output Hard Lock Ethernet 32 Ch Analog 4 Ch Analog Ports Input Output
Slide 13: Control Cabinet
13 Control Cabinet Indicator Valve Feed Back Indicator Cylinder Pressure MeltNet Visualization Workstation Mounting Plate with: Embedded System, ASP-Box, Circuit Breakers, Terminals, etc. Ink Printer
Slide 14: Voltage Measuring
14 Voltage Measuring High current conductors Control cubical of furnace transformer Matching Box Fuse Box Voltage
Slide 15: Fuse Box
15 Fuse Box Melting fuses Fuse switch
Slide 16: Matching Box
16 Matching Box Varistors High current resistors Voltage transformers Fuse switch disconnectors
Slide 17: Voltage setup dialog
MINERALS :CHNOLOGIES: 17 Voltage setup dialog 22/100, | YW MiNTEQ ME FERROTRON A MINTEQ D\ViS/ON
Slide 18: Voltage calibration dialog
18 Voltage calibration dialog
Slide 19: FT manufactured Rogowski coils
19 FT manufactured Rogowski coils Inline busbars Symmetrical Rectangular busbars conductors Rogowski coil current transducers are used for the high precision measurement of alternating currents. They consists of a toroidal winding on a non-magnetic core, fitting around the current conductors to be m
Slide 20: Mounting of Rogowski Coils
20 Mounting of Rogowski Coils Rogowski coil Secondary conductors from the furnace transformer Measurement cable to the ECS panel Inside of wall of the transformer room with feed troughs for the furnace
Slide 21: Current calibration dialog
21 Current calibration dialog
Slide 22: Current calibration dialog
22 Current calibration dialog
Slide 23: Pressure Monitoring
23 Pressure Monitoring Hardware Configuration
Slide 24: Impedance Control Mode
24 Impedance Control Mode Controller Valve adaptation Iref Xd Uc PI -Im No Ux Special event? ? Filter Yes Table with voltage constants - Stop, if contact with scrap/bath - Raise, if over current - Raise, if dipping into bath p - Raise, if pressure drop Im Arc length Um Table with U-I values Upp (Z-c
Slide 25: Controller Functions of the MeltNet
25 Controller Functions of the MeltNet • Keeping the set points by use of ... • Current control mode • Impedance control mode • Reaction on special events • Start of arc ignition (scrap or bath contact) • Overcurrent • Dipping into the bath • Touch down on non conducting material • Individual adapta
Slide 26: Commissioning, Maintenance and Analysis Tools
26 Commissioning, Maintenance and Analysis Tools • Automatic calibration of the electrode velocities Fast and simple finding of the correlation between electrode velocity and setting voltage (valve characteristic) • Online process analysis Statistical analysis of process data (minima, maxima, mean v
Slide 27: Samples of Screen Shots
27 Samples of Screen Shots The controller program on an embedded system is designed as a real-time software with all necessary supports for the communication to the furnace PLC. With a reaction time of less than 5 ms it is possible to recognize and process external tie-critical signals. The Windows
Slide 28: Controller Parameter
Controller Parameter 28 [Wy [PCHost]P-ControllerDig.vi MINERALS :CHNOLOGIES: | FERROTRON A MINTEQ D\ViS/ON
Slide 29: Communication Monitor
29 Communication Monitor Receive Data Sent Date
Slide 30: Data Base Viewer
30 Data Base Viewer Won | Tue | Wed | Thu Fri Sat_| Sun Heats Heat001241 Heat001243 Heat200001 Heat200002 Heat300002 Heat300003 Heat400001 Heat400002 Heat400003 Heat400004 > i Hydraulic Pressure [bar] ee | Lal MINERALS TECHNOLOGIES WY MiNTEQ FERROTRON MiINTEQ
Slide 31: Back and Recovery
31 Back and Recovery As Backup and Recovery Tool for MeltNet visualization workstation we supply Acronis True Image. The bootable USB stick allows to fix the MeltNet system in acceptable time. Also if the hard disk is replaced to a brand new one. If necessary for maintenance the access to the embedd
Slide 32: Worldwide more than 220 applications
32 Worldwide more than 220 applications The Americas Europe Pacific Asia Belgium Romania Brazil Germany Russia China South Korea Chile Finnland Spain India Taiwan USA France Czech Republic Indonesia Thailand Venezuela Italy Turkey Malaysia Australia Luxembourg Ukraine Netherlands Poland Africa Alger
Slide 33: Specification of DECTEQ MeltNet
33 Specification of DECTEQ™ MeltNet Scope of supply 1 control panel Rittal type TS8806 if requested with socket, dim. 800x2200x600mm (WxHxD), 19”-Industial Workstation in swing frame, 9 units height, completely wired to terminal strip 1 fuse box Rittal type AE1033, dim. 300x300x210mm 1 matching box
Slide 34: Scope of supply and options
34 1 selector switch electrode voltage (phase- phase, off, phase-ground) 3 V-meter electrode voltage 3 A-meter electrode current 1 software package applications and operation system 4 manuals drawings and description in German and English language excludes cables, mounting material and hydraulic par
Slide 35: Technical data
35 Technical data colour of panels RAL7035, mounting plate zinc-plated power supply 230V or 115V AC, 1000VA internal 24V DC, 10A for proportional valves etc. data interface with furnace control PLC via Ethernet link, optional via PROFIBUS-DP supported protocols native TCP/IP via Ethernet, optional P
Slide 36: Signal acquisition and indication specifications
36 voltage acquisition secondary side of furnace transformer with Matching Box current acquisition secondary side of furnace transformer with Rogowski Coils or with CT’s (range 5A/1A requested) pressure acquisition pressure transmitter (0)4. . .20mA (supply of hydraulic) control output +/-10V for pr
Slide 37: Measuring Technology for the Steel Industry
37 Dr.-Alfred-Herrhausen-Allee 24 47228 Duisburg Germany Measuring Technology for the Steel Industry
Minerals Technologies — Technical Presentation (July 2024) on 6ix