Shaft-Hoisting Installation

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Functional Scheme of the Speed Controller Convertion of the Speed Controller from Sinking to Production Operation STB-SC01 STB-SC02 SIEMAG TECBERG’s Services within the Electrical Part and Automation Include among Others: 6 ▪▪ The complete engineering, calculation of all performances and capacities, single-line diagrammes, multi-line diagrammes, earthing diagrammes ▪▪ Development and programming ▪▪ Parameter assignment of the drive controller and speed controller ▪▪ Programming of the visualization and adaptation to customer’s needs ▪▪ Erection supervision ▪▪ Training of customer’s staff ▪▪ Commissioning
The SIEMAG TECBERG Supplies of Equipment and Material for the Electrical Part Mainly Cover the Following Components: ▪▪ 2 DC motors, power 1200 kW (air-cooling) ▪▪ 2 DC power converters, 2700 A each ▪▪ 2 High-speed circuit breaker ▪▪ 1 cos Φ-Compensation system ▪▪ 1 Speed controller with integrated depth indicator ▪▪ Magnetic switches and magnets ▪▪ Positioning switches ▪▪ Tachometer generator and encoders ▪▪ Monitoring switches ▪▪ Electrical cabinets, control desks, complete control desk in the operator’s work station with visualization (two PCs) ▪▪ 2 Programmable logic controllers – Siemens S7-400 ▪▪ Software for control and monitoring ▪▪ Monitoring of the brake system ▪▪ Rope-slip control device (by means of software) ▪▪ Electric cabinet to operate and control the brake and hydraulic unit, respectively ▪▪ Redundant Profibus cable for communication, with integrated power cables ▪▪ Shaft signalling system with signalling panels (Non-Ex-area) ▪▪ Telephone system between the levels, to the surface, and to the machine operator ▪▪ Loading installation with weighing system, for a total weight of 50 t, integrated into the control and visualization systems ▪▪ Uninterrupted power supply for the shaft signalling system, visualization, and speed controller ▪▪ Telediagnostics by means of a VPN connection (broad-band connection required) ▪▪ Starting of the loading station in the automatic mode from the operator’s desk Technical Data Type of shaft-sinking machine 1-rope drum hoist with Lebus sleeve, drum diameter 4 m Subsequent convertion to a production hoist 4-Rope Koepe hoist, ground-mounted, friction pulley diameter 3.8 m Shaft diameter 5 m Shaft depth 1,080 m Hoisting speed 12 m/s Travel distance 1,059 m Hoisting arrangement Skip/counterweight installation Payload 19.5 t (volume 12 m³) 2 Sets 4-rope head sheaves Diameter 3.5 m Rope attachments 4 Attachments with resetting device for rope-length correction 4 Attachments for counterweight 4 Attachments for 2 balance ropes Ropes 1 Hoisting rope for the kibble Ø 46 mm (shaft-sinking phase), 4 Hoisting ropes, Ø 38 mm 2 Flat balance ropes, 130 x 29 mm 6 Guide ropes, Ø 40 mm Motors 2 DC motors, power 1,200 kW / 600-700 V DC High-speed circuit breaker 2 Pieces Power converter 2 DC power converters, 2,700 A each Speed controller 1 Speed controller with integrated depth indicator, developed by SIEMAG TECBERG, authorized component acc. to BVOS under number F-24/10/1 cos Φ -Compensation system Average value cos Φ 0,9 2 PLCs Siemens S7-400 2 Positioning controllers Siemens C240-2 7
Page 1 and 2: Technical Information Shaft-Hoistin
Page 3 and 4: Ore hoisting is done from a depth o
Page 5: Hoisting tower of Shaft III Layout

Shaft-Hoisting Installation

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