Salvage buoy are widely used in maritime salvage and buoyancy, such as rescuing stranded ships or helping them float and sink. Due to the sudden and strong timeliness of maritime salvage projects, salvage companies using conventional lifting methods are often subject to large lifting equipment or high costs; if airbags, the salvage work can be completed conveniently and quickly.
The overall salvage methods of large sunken ships mainly include buoy salvage and floating crane salvage. Current floats are almost always made of steel. It is easily affected by the underwater environment, which requires expensive equipment and a long time to complete the binding of the buoy and the wreck, and it is also very inconvenient to operate. Moreover, the buoy carried by a salvage ship cannot meet the needs of salvage a sunken ship with a weight of 10,000 tons. All these reduce the efficiency and cost of salvage operations.
The Kono salvage airbag can be folded or rolled into a cylindrical storage and transportation or diving, which greatly improves the storage and transportation capacity of a single ship salvage airbag. In addition, the salvage airbag is relatively less affected by the hydrological conditions, and the underwater operation efficiency is high.
The Kono rubber pontoon is made of high-strength nylon curtain cloth and rubber, with a single lifting capacity of up to 100 tons. The load is concentrated on the longitudinal line of the airbag. This is considering the good buffering performance of the flexible salvage airbag in aqueous medium, and the peak stress of the steel cable can be reduced by cushion in the sudden overload to avoid pulling. The outlet pressure of the one-way vent valve of the salvage airbag is set according to the maximum internal pressure of the airbag, which avoids the risk factors caused by the expansion of the water depth in the process of inflation.
The weight of the Kono inflatable rubber pontoon is relatively light, the air bag is thrown into the water, the air bag will accurately fall next to the wreck under the guidance of the anchor cable, and then removed by the diver or the submarine manipulator, tied or tied to the designated part. For a capsized wreck, the air bag can be lifted on either side, and then tie the air bag on both sides. For the easy entry and exit of the cabin, some appropriate salvage airbags can be placed in the cabin, inflatable drainage, that is, to reduce the weight of the hull and can partially restore the buoyancy of the hull, easy to operate, simplify the airbag binding operation.
The Kono rubber buoy is small in volume and light in weight, which is easy for storage, transportation, diving and binding. It is much less strong than the rigid buoy of the same tonnage, so it is easy to tie the steel cables.
The storage and transportation cost of Kono salvage airbags is much lower than the rigid pontoon.
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