M I N I N G I N D U S T R Y

Transcription

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3 How we are organized M I N I N G I N D U S T R Y 3

4 4 Experiences from operating an automated longwall system PNIÓWEK coal mine

5 Lenght Height Thickness TECHNICAL PARAMETER OF LONGWALL 240 [m] 1,65 [m] 1,4-2,0 [m] Seam angle do 12 [ o ] do 15 [ o ] Coal compression strength Rc roof Coal compression strength Rc floor GEOMECHANICAL PARAMETERS 41,6 61,2 [MPa] 23,6 77,2 [MPa] Methane Dust Water Explosive category HAZARDS IV B I C

6 Animation of the Pniowek longwall

7 Geometric height maximum minimum Type of shields Parameter Range of operation height Shields TAGOR-11/26-POz Value 2,6 m 1,1 m 1,3 2,5 m Face end shields TAGOR-11/26-POz/S Operation system I.F.S. Without I.F.S. Type of Canopy Suitable for seams inclined Rigid, with face sprag along strike up to 12º along strike with special attachment up to 35º along dip up to ±15º Support centre No. of Ø380 mm hydraulic legs Leg support capacity yield load (42 MPa) setting load (25-30 MPa) 1,5 m 2 pcs. 2,968 MN 1,767-2,121 MN Exendible, with face sprag Roof support capacity 0,78 0,96MPa 0,73 0,90 MPa Roof support advance Advane force (25-30 MPa) roof support AFC 0,8 m kN kn No. Of control functions Weight kg kg 7 EQUIPMENT

8 Parameter Value Cutting range Maximum power installed, - on cutting drums - on haulage drive - on hydraulic system Supply voltage Diameter of cutting drums Haulage speed 1,4 2,0 m 603 kw 2 x 250 kw 2 x 45 kw 13 kw 1,0 kv 1400 mm 0 20m/min Height 1140 mm Web 0,8m Suitable for seams inclined along strike up to ±35 0 Suitable for seams inclined along dip up to ±15 0 Weight ok. 30 t 8 EQUIPMENT

9 Parameters of AFC Rybnik- 850: Length Line pan width Line pan length Line pan profile Deck plate thickness AFC capacity Discharge drive: 250 m 846 mm 1500 mm E260 rolled 40 mm 1100 Mg/h - Type Straight - Reductors 2 x rolled, size 25 as in RAGN Installed power 2 x 105/315 kw Return drive: - Type Lowly profiled - Reductor: angular, size 25 as in RAGN Installed power 1 x 105/315 kw Motors: - Power supply 1,0 kv Chain: Two-speed, water colled 2 x Ø34x126 - Speed on fast gear 1,3 m/s Max angle of deflection between line pans - vertically - horizontally ±3,0º ±1,5º 9 EQUIPMENT

10 Parameters of beam stage loader Grot - 850: Length Line pan width Line pan length Line pan profile Deck plate thickness 61 m 846 mm 1500 mm 260 mm gr. 40 mm Capacity 1300 Mg/h Drive: - Discharge type front - Reductors 2 x angular, RK Electric motor 2 x 160 kw, power supply 1,0 kv Chain 2 x Ø30x108 - Speed on fast gear 1,5 m/s Chain tensing on boot end Parameters of crusher Scorpion-1800P Capacity Scope of clearence under crushing drum 1500 t/h mm Hydraulic regulation of clearence Hydraulic Transmission type Power and powers upply of motor Belt transmission 132 kw, 1,0kV Installation spot Beam stage loader 10 EQUIPMENT

11 Electrical equipment: Transformers: EH-d /6.0/1.0/4/01-1 pcs. EH-d /6.0/1.0/4/01-1 pcs. DCB: EH-d02-W/1,0/II/ pcs. Control center 11 EQUIPMENT

12 12 TOPOLOGY OF ELECTRICAL EQUIPMENT

13 Control system modes : Automatic Local Revision Service 13 MODES

14 TCP/IP Metan Conveyors CH 4 AFC EH-SmartWall IPC EH-WallControl SCADA EH-WallView υ [m/min] υ max υ act.zadana Prędkość max kombajnu Aktualna zadana prędkość kombajnu CW SW DATA PAR IPC IPC IPC IPC 0 CH 4 [%] 2,0 STOP t [s] Eth 802.x SCADA 1,7 PLC x,y 1,3 t [s] KSW-460NE1 14 Functionality Coal Production speed optymalization

15 Flipper collision Line unit Deflect-extendable and flipper collision Gate end unit Canopy collision Line unit Canopy collision Line unit Detection of collision between powerd roof support and longwall shearer

16 Flipper collision Line unit Deflect-extendable and flipper collision Gate end unit Canopy collision Line unit Canopy collision Line unit υ [m/min] υ Set value Collision signal 2 υ min 1 n Detection of collision between powerd roof support and longwall shearer

17 Feedback from Pniowek longwall CREW

18 SUMMARY Increased average productivity in comparison to another longwalls in Pniówek mine Limited numbers of miners in the Longwall Increased safety Reduce start up time Possibility of Remote Service and Help Desk 18 Summary

19 Mikrus main parameters Parameter Value Cutting range Maximum power installed Supply voltage 1,1 1,5 m 633 kw 1,0 kv Diameter of cutting drums 1,2 m 1,6m Speed 0 27m/min 19 Mikrus main parameters

20 Mikrus 20 Mikrus

21 Thank You