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An alternative system – fitted to so-called hybrid self-unloading vessels – discharges using a different mechanism, mostly cranes. The cranes lift the cargo and discharge into hoppers on the deck. Then a series of conveyors mounted on deck carries the cargo to the discharge boom, where the cargo is ultimately unloaded to a single point on ...
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Self-unloaders are specialized ships equipped with onboard cargo-handling systems, enabling them to discharge without shore-based unloading equipment. The self-unloading system works in three broad stages: The use of gravity to flow the cargo from the holds onto the conveyors. Transfer of the cargo horizontally.
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adaptable to any size and shape of vessel, the system is suitable for newbuildings as well as conversions. Overall, ... equipped with a MacGregor self-unloading system: aeration panels, screw conveyors and a blow pump for ... MacGregor vertical and horizontal screw conveyors are used to distribute cement to and from holds to discharge
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Vessel owner, Vulica Shipping, is renewing its Panamax fleet and expects to take delivery of its newbuild vessels in 2017. The self-unloading system will be designed to discharge aggregate at 4,500tph and will be comprised of two tunnel conveyors fitted with EMS-. Tech patented feeder gates, a 27-metre lift 'C' Loop conveyor, and an 80 ...
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This system is ideal for use on self-unloading vessels. Sub-bituminous coal with lumps up to 100mm and a bulk density of 0.80tpcm is conveyed at 5,500tph (tonnes per hour) with peak though-puts of up to 1,000,000 …
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The cargo scooper system could be enhanced when used in combination with a pneumatic unloading system. The scrapers and the bucket elevator are always used during the unloading operation. For cement and other powdery cargoes, the elevator feeds a blow tank system, and for other material, the elevator feeds an ordinary slewing boom belt …
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A bulk carrier equipped with a MacGregor self-unloading gravity system offers fast, reliable and efficient deliveries of free-flowing dry bulk commodities. Designed for both new buildings and converted vessels, each system is tailor-made to suit your …
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discharge chutes between conveyors and in unloading points. Floating offshore transfer terminal, Spencer Gulf, for optimising cargo transloading from port to ocean-going vessels outside Whyalla, South Australia. Special features: • High unloading rate at 5,000 t/h • Flexibility - no shore-based unloading systems required • Environmentally ...
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Belt self-unloading vessels are equipped with long, discharge booms and integrated conveyer belts. When aggregate cargo is discharged from the vessel, it is smoothly delivered directly from the holds along conveyer belts through the boom to shore at a rate of up to 3,000tonnes/hour and more. It is at this point however that many Ports …
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Bow thrusters for self-maneuvering; Enclosed conveyors; Extensible unloading arms Dust suppression in the unloading system The unloading system employs dust suppression and extraction units to control dust emission. It complies with the most stringent environmental standards. The self-discharging vessel keeps the cargo enclosed inside …
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Seabulk was responsible for the design, procurement, construction, project management and site supervision of the self-unloading system. The New Generation Self-Unloaders are 70 800 DWT vessels with 7 separate cargo holds that have been designed for alternate loading. The holds are hoppered to direct the cargo to two tunnel conveyors that run ...
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Published Feb 6, 2024 1:45 PM by The Maritime Executive. [By: MacGregor] MacGregor part of Cargotec, has launched a new and augmented gravity self-unloading system that will allow bulk carriers to ...
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As the size of vessels increases, so does the time which they spend in ports. It has been proven that unloading bulk carriers at high rates, and sending them back to sea quickly, can be achieved only with conveyors. The modern self-unloading vessel was developed to accomplish these objectives.
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The range of designs from Telestack allow for handling rates from 200tph to 1,000tph from smaller 3,000dwt to 10,000dwt self-unloading discharge vessels. The range also extends for the largest self-unloaders with handling rates from 1,000tph up to 3,000tph of aggregates. These proven designs allow for a self-propelled mobile system that can ...
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The range of designs from Telestack allow for handling rates from 200 tph to 1000 tph from smaller 3000 DWT to 10 000 DWT self-unloading discharge vessels. The range also extends for the largest self-unloaders with handling rates from 1000 tph up to 3000 tph of aggregates. These proven designs allow for a self-propelled mobile system …
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Both ships feature a similar custom-designed self-unloading conveyor system from Cargotec Sweden AB and have a discharge rate that is variable to a maximum of 3,000tph or 2,500m3 per hour. Gypsum Transportation has operated self-unloading vessels for …
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MacGregor, part of Cargotec, has launched a new and augmented gravity self-unloading system that will allow bulk carriers to deliver a wider variety of cargo, in greater volume. The new system, the 'MacGregor GravityVibe TM ', deploys a patent-pending vibrating unloader to reduce internal friction and ease the discharge of coarse …
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Contact. Self-Unloaders. Fleet. Our diverse fleet of self-unloading bulk carriers can discharge their cargo without the assistance of shore-based equipment such as cranes, conveyor belts, or loaders. The discharge boom allows the cargo to be unloaded onto a dock, barge, or onto the ground.
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The U.S. Department of Energy's Office of Scientific and Technical Information
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MacGregor, part of Cargotec, has launched a new and augmented gravity self-unloading system that will allow bulk carriers to deliver a wider variety of cargo, in greater volume. The new system ...
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The new vessels will join Algoma's fleet of 13 domestic self-unloading vessels operating on the Great Lakes and the St Lawrence Seaway. ... MacGregor is responsible for the design of the complete self-unloading system, which includes a discharge boom, full flow cargo gates, conveyor belts, cross conveyors, and a C-loop. …
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February 6, 2024. Source: MacGregor. MacGregor, part of Cargotec, has launched a new and augmented gravity self-unloading system that it says will allow bulk carriers to deliver a wider variety of ...
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A self-unloader is defined as a vessel with a bulk material handling system onboard, which allows unloading at any terminal with a minimum of receiving facilities. Our systems have continuously proven highly reliable and easy to operate and maintain. Lion's brand – Carlsen – has been a supplier of self-unloaders, bulk carriers and self ...
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Our self-discharging vessels are capable of docking at virtually any Northern European port due to their shallow draught. Self-unloading vessels ensure easy and inexpensive goods handling, as the name suggests. Bulk shipments are discharged using long conveyor belts up to 90 metres length inside the vessel, and swivelling loading arms …
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Conveyors. Our belt conveyor systems are ideal for transporting a wide variety of bulk materials economically over both short and long distances. Available from stock in pre-engineered models or custom designed to fit your needs, we offer stationary transfer conveyors and portable conveyors developed for quick set-up and mobility.
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New Generation Of Self-Unloading Cargo Ships. When Canada Steamship Lines (CSL) went shopping for a new generation of self-unloading bulk carriers, the company had a few basic requirements, namely ...
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Cargotec has received a contract from Nantong Mingde Heavy Industry Stock Co Ltd in China to deliver gravity self- unloading systems for three 30,000dwt bulk carriers on order for two Canadian owners. The ships will …
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self-unloading vessels can reduce a cargo's overall delivered cost per ton because they are fast, efficient and less capital- and labour-intensive than on-shore based systems; ... a belt conveyor system capable of transshipping at a peak loading rate of 5,500tph and state-of- the-art gears enabling a throughput of around five million tons of ...
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INTEGRAL ROLE OF SELF UNLOADERS IN AUSTRALIAN COAL SUPPLY CHAIN In Australia, the Iron Chieftain is an Australian shipping stalwart – a 50,587dwt self unloading vessel that has been delivering coal from East Coast Australia to South Australia for the last 20 years.With hoppered holds, gravity fed gates and a C-loop belt, the Iron Chieftain has …
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How the belt system works The belt systems are started sequentially, the boom belt first, followed by the elevating belt, the transfer belts and then lastly the tunnel or hold belts. Unloading is to be carried out in the AUTOMATIC MODE ONLY. It is possible to run the unloading system manually but this is only for maintenance purposes.
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