An undersea mining hose and method of manufacturing the same
By employing a manufacturing method that incorporates a pre-embedded carbon steel joint inside a rubber hose, along with an external tensile armor layer and a PE protective layer, the problems of single-function and short lifespan of subsea mining hoses have been solved, achieving long-life and safe single-connection.
CN114278793BActive Publication Date: 2025-11-11HEBEI HENG AN TAI PIPELINE CO LTD
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Patent Information
- Application Number
- CN202111380901.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-11-20
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2041-11-20
AI Technical Summary
Technical Problem
Existing submarine mining hoses have limited functionality, short lifespan, and the risk of joint problems arises from multiple connections.
Method used
The rubber tube has a pre-embedded carbon steel joint inside, an outer tensile armor layer and a PE protective layer, combined with a steel wire skeleton and potting resin. During the manufacturing process, the tube is wound and vulcanized to form an integral structure, ensuring flexibility and resistance to seawater corrosion.
Benefits of technology
It achieves a single hose length of up to 400 meters, is easy to install, has high safety, avoids the risks of multiple joint connections, and has excellent abrasion resistance and seawater corrosion resistance.
✦ Generated by Eureka AI based on patent content.
Abstract
This invention discloses a subsea mining hose and its manufacturing method, comprising a rubber hose with a pre-embedded carbon steel connector fitted inside. The pre-embedded carbon steel connector has a terminal connection thread at its tail. The rubber hose has a hose wire skeleton inside and a tensile armor layer connected to the outside. A PE outer protective layer is connected to the tensile armor layer, and a potting resin is pressed onto one side of the PE outer protective layer. A terminal connection assembly joint is connected to the top of the potting resin. Compared with existing hoses, this subsea mining hose and its manufacturing method utilize natural rubber, which possesses excellent abrasion resistance, seawater corrosion resistance, good flexibility, and high toughness. The hose uses a single-connection method, avoiding the disadvantages of multiple connections and high joint risks. The hose can reach a single length of over 400 meters, and features simple installation, a high safety factor, and convenient installation of accessories such as bending limiters.
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