Portalink Mechanical ship unloader RSH

Portalink Mechanical ship unloader RSH

Portalink Successful, proven engineering Buhler your Partner Mechanical ship unloaders from Buhler designed to handle a wide range of free-fl owing bulk materials are characterized among other things by being supplied from the single source. From evaluation and simulation of the optimal unloading process to design and engineering, structural analysis, manufacturing, installation, and start-up, your entire project will be handled by one single, competent and experienced partner. This enables the infl uence of individual parameters on overall performance to be clearly assessed and evaluated, contributing signifi cantly to optimizing it. Regular servicing and genuine spare parts guarantee a high availability of the installation over many years of service. The Portalink high-capacity marine leg (HL-SKT) from Buhler a matured product! Cover: Portalink 1000 in China. Portalink 600/70RK for unloading and loading ships in Saudi Arabia. 2

Portalink 600/70TK in Egypt. Steerable, rubber-tired traveling gear with sixteen wheels. 3

Gentle conveying Low wear Low power consumption Environmentally friendly unloading 4

Portalink Customer value and features Efficient unloading The automatic sink-in system of the HL-SKT allows the intake boot to maintain the optimal position inside the bulk material. It also enables automatic unloading down to the minimum bulk material level inside the ship s hold. The possible movements of: displacing the ship unloader lifting, lowering, and swiveling the boom kick-in/kick-out of the marine leg provide a large working range inside the ship s hold. These movements can also be remotely controlled by radio, increasing unloading throughputs and reducing berthing times. Six-wheel rail-mounted traveling gear. High availability and low operating costs Reliable operation even when handling materials with varying characteristics Low sensitivity to foreign matter Fast changing of chain links Easy operation Proven engineering with matured mechanical elements Low energy consumption Less wear and tear Long service life of the conveying chains Hydraulic system A centralized hydraulic unit supplies the most important users with energy. The unit is installed inside an insulated cabin. All components are optimally protected, and lateral service openings facilitate maintenance. The advantages of the hydraulic drive are: Soft starting and braking Protection against chain ruptures by overload valves Short time reversal of the conveying chain Easy adjustment of the chain speed Hydraulic system with electric motor without paneling. Reliable operation The PLC control system with visualization feature allows the display of operating and fault messages. Visualization display. 5

Portalink Unloading of bulk materials at high throughput rates Introduction The HL-SKT is a high-capacity chain conveyor meeting the stringent requirements of effi cient and troublefree bulk materials handling systems. It is an enclosed, rugged conveyor of rain-proof and dust-tight design. This ensures environmentally friendly and gentle material handling. As a result of its very low power consumption and its easy operation, the HL-SKT has proven itself within a very short time as an effi cient unloading conveyor. Mode of operation and main elements The intake boot of the HL-SKT sinks into the material to be unloaded, which must fl ow freely to the boot in adequate quantities. Non-free-fl owing materials must be positively fed to the HL-SKT. The specially designed, endless conveying chain scoops up the bulk material, forming a compact column of material inside the vertical leg of the chain conveyor. This column of material moves at a continuous and uniform velocity to the outlet at the drive end. From here, the material is transferred by additional chain conveyors to the truck loading point or the pier conveying system. The Portalink HL-SKT ship unloader consists of a gantry structure, on which the swiveling top section with trussed boom and kick-in/kick-out system is mounted. The kick cylinder is attached to the boom and can kick the HL-SKT marine leg in an inclined position from +30 degrees to 30 degrees. The lifting and lowering movements of the boom are controlled by hydraulic cylinders. A hydraulically powered mechanism also swivels the boom. All movements are protected by overload valves. The swiveling gear is additionally locked in place in its parking position by a hydraulic cylinder. The built-in proportional control valves ensure gentle and continuously variable movements. The control system is based on PLC components. A display indicates the operating conditions and displays fault messages and the preventive maintenance program. This data may be printed out whenever required. In case of an emergency, the boom can be lifted and lowered by the power of a gasoline fueled engine, which drives an emergency hydraulic pump to enable the HL-SKT to be moved out of the ship s hold. Mode of operation A B From the ship s hold to truck or pier conveyor 1 HL-SKT intake boot 2 HL-SKT marine leg 3 Drive end with outlet 4 Horizontal/inclined chain conveyor 5 Transfer leg 6 Horizontal chain conveyor 7 Hydraulic unit 8 Swivel gear 9 Boom lifting & lowering cylinder 10 Kick-in/kick-out cylinder 11 Traveling gear B 6 7 5 8 9 4 10 3 radius of action B 11 2 1 A 6

Portalink High economy and operating reliability Technical data Size Throughput max.* Ship size (DWT) Portalink 1000/100RK in China. 400 600 800 1000 440 t/h 650 t/h 850 t/h 1200 t/h 45,000 70,000 (K) 80,000 (K) 80,000 (K) 60,000 (K) 100,000 (K) 100,000 (K) 100,000 (K) Boom length 25 27/32 27/32 27/32 Kick angle (K) Traveling gear Energy supply Kick-in Kick-out 20 20 20 30 +20 +30 +25 +30 Rails (R) Tires (T) Electricity via cable Diesel engine Rails (R) Tires (T) Electricity via cable Diesel engine Rails (R) Electricity via cable Rails (R) Electricity via cable Load winch for feeder 7 t 10 t 10 t 10 t Total weight 180 t 290 t 330 t 480 t Control cab for operator Loading spouts with dust control system * Base: grain with bulk density 0.75 t/m 3 optional optional The powerful presence of Buhler in all major global economic regions is supported by an efficient infrastructure. 7

Bühler AG CH-9240 Uzwil, Switzerland Phone +41 71 955 11 11 Fax +41 71 955 39 49 www.buhlergroup.com BUHLER GH 13103 en Juni 2004 2000 DF