An inflatable floating hose for the transfer of liquid substances on board ships and a method for laying the same

The air-expanding floating hose design solves the problem of underwater deformation caused by high density, enabling the transportation of low-density, high-rigidity liquid substances, quickly detecting leaks and simplifying operations. It is suitable for long-distance transportation of liquid substances on board ships.

CN116928463BActive Publication Date: 2026-06-02DALIAN MARITIME UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DALIAN MARITIME UNIVERSITY
Filing Date
2023-07-07
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing marine liquid material delivery hoses have a high density, and the underwater portion is easily deformed by water impact, resulting in reduced flow rate, difficulty in locating leaks, and complex operation.

Method used

The device adopts an inflatable floating hose design, including an inner membrane, an outer membrane, an inflation chamber, and a connecting joint. The inner membrane serves as a delivery channel, the inflation chamber is equipped with an inflation valve, and the connecting joint achieves a sealed connection through an inner and outer sealing ring. The adhesive tape on the surface of the outer membrane fits tightly with the outer sealing ring, and the split structure of the outer sealing ring facilitates disassembly and assembly. The inclined cable connector is used for rapid deployment.

Benefits of technology

Air-inflatable floating hoses have low density, float on water with minimal stress, have high rigidity, are easy to detect leaks, can be quickly laid and replaced, reduce storage space, and ensure delivery flow and efficiency.

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Abstract

This invention provides an inflatable floating hose for transporting and transferring liquid substances on board a ship and its installation method. The inflatable floating hose includes an inner membrane, an outer membrane, an inflation chamber, and a connecting joint. The inflation chamber is a closed structure located between the inner and outer membranes. An inflation valve is provided in the inflation chamber. The inner membrane contains a transport channel. The connecting joint is located at the end of the transport channel. The connecting joint includes an inner sealing ring, a hose adhesive tape, and an outer sealing ring. The inner sealing ring includes a connecting tube, and an outer sealing ring mounting portion is circumferentially located at the center of the outer side of the connecting tube. The connecting tube is installed to the end of the transport channel via an interference fit. The outer sealing ring is inserted and installed to the outside of the outer sealing ring mounting portion. The hose adhesive tape is adhered to the surface of the outer membrane at the end of the inflatable floating hose. This invention solves the problems of existing hoses having high density and being easily deformed by water impact forces underwater.
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