Ships with a dead weight of less than 1,000 tons can choose medium-pressure series airbags, and ships over 1,000 tons should choose high-pressure series. In the case of particularly high working pressure requirements, ultra-high-pressure series airbags can be used.
Number of airbags:
The number of airbags is the number of airbags placed under the shipN1 plus the number of spare airbags N2. The number of airbags is mainly determined according to the ship's own weight and the bearing capacity of different types of airbags, N1=ship's own weight G/( The unit airbag bearing capacity x effective length Le), the spare airbag is determined according to the actual situation.
(1) In order to make the airbag work in harsh environment, the marine rubber airbag specially uses high-quality imported natural rubber smoke sheet rubber as the main raw material of the product, and at the same time adds styrene-butadiene rubber SBR1502 imported from Russia, butadiene rubber BR9000 imported from South Korea and various The auxiliary materials and the formula are reasonable, so that the airbag has long-lasting anti-aging ability and wear resistance. The rubber content of the airbag can reach more than 60%, and the tensile strength of the rubber exceeds 18Mpa.
(2) The skeleton material of the airbag adopts a single three-strand high-quality nylon dipped cord fabric with a single breaking strength of 320N, which greatly improves the performance and service life of the product.
(3) The new structure of anti-explosion design at the end of the airbag effectively enhances the bonding strength and sealing performance of the airbag body and the end iron parts, thereby effectively preventing the airbag from deflating and eliminating the hidden danger of product safety.
(4) The airbag adopts the latest overall winding technology. This technology has been developed by the R&D department using 3D animation simulation technology to adjust the cord layout for a series of unfavorable factors such as the direction and magnitude of the force exerted on the airbag by the ship when the airbag rolls on the bottom of the ship, and the extrusion of the airbag during rolling. Therefore, a reasonable and effective winding method is designed, which greatly improves the safety and reliability of the airbag launching into the water.
Storage method:
(1) When the airbag is not used for a long time, it should be washed and dried, filled with talcum powder inside and outside, and placed in a dry, ventilated and cool place indoors.
(2) The place where the airbag is stored should be kept away from heat sources.
(3) The air bag cannot be in contact with acid, alkali, grease and organic solvent.
(4) When the air bag is not in use, it should be stretched out and laid flat, and should not be stacked, nor should any heavy objects be stacked on the air bag.
(5) During short-term transportation, the natural state should be hoisting, lifting, and inflated, and it is strictly forbidden to drag on the ground.
(6) During long-distance transportation, it should be well padded and fixed.
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