Importance Of Loading And Unloading Of Bulkers

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Loading and unloading of bulkers is a time consuming and dangerous task. The vessel's captain plans the process, usually with the assistance of the chief mate. The international regulations require that the captain and the terminal master agree on a detailed plan of loading or unloading before the operations begin. Deck officers and stevedores oversee the operations. Still, from time to time, a vessel will be incorrectly loaded and capsize or break in half at the pier. Depending on the cargo, the actual work of loading or unloading can be done in a variety of ways. In the old and un-advanced ports, cargo is still loaded by shovels or bags poured from the hatch cover, but that is becoming rather scare in modern days!!. Other ports use double-articulation …show more content…

As the hold is filled, machines such as excavators and bulldozers are often used to keep the cargo in check. Levelling is particularly important when the hold is only partially filled, due to increased risks of shifting cargo. This is why extra precautions, like adding longitudinal divisions or securing wood atop the cargo, are taken. Once the hold is entirely filled, a special technique called tomming is used. This technique involves digging out an area directly below the hatch cover and re-filling this area with bagged cargo or …show more content…

The conventional unloader comprises a travel frame, a slewing table mounted on the travel frame so as to be turnable freely, a boom mounted on the slewing table so as to be swingable up and down freely, a vertically conveying section mounted freely swingably on the front end of the boom, and a screw feeder for scraping and taking in bulk cargo mounted at the bottom of the vertically conveying section. The screw feeder has a cylindrical screw casing and a screw in the screw casing. The screw feeder, rotating the screw, scoops up bulk cargo through the bottom end of the screw casing, carries it upward, and feeds it into a receiving space between the two belts of the vertically conveying

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