Cryogenic Transfer Pipe With Swivel Joints for Ship Movement
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Solution Overview
Problem
Existing cryogenic product transfer systems between floating and fixed/floating structures have limited range of movement and require the use of flexible pipes that suffer from pressure losses and need permanent crane support, limiting efficiency and flexibility.
Innovation Solution
A system comprising a transfer pipe with rigid sections connected by cryogenic swivel joints, allowing for three-dimensional movement and eliminating the need for a hoisting device during transfer, with connection devices and support structures for secure and flexible operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If flexible pipes are used for transfer, then the system can accommodate movement between structures, but pressure losses increase and flow rate is limited
Solution Approach 1:
The transfer pipe is divided into multiple rigid sections that can be connected and disconnected. Each section maintains structural integrity while the segmented configuration allows flexibility in positioning and movement between structures, eliminating the need for long flexible pipes that cause pressure losses.
Solution Approach 2:
The system uses a movable carriage that can travel along the transfer pipe sections, dynamically adjusting the position where cryogenic product is transferred between structures. This dynamic positioning capability provides adaptability without requiring flexible piping throughout the entire system.
2Loss of energy
If rigid pipe sections are used, then pressure losses are reduced, but the range of movement is limited
Solution Approach 1:
The rigid transfer pipe is segmented into multiple sections that can be independently positioned and connected. This segmentation allows the rigid pipe to adapt to different positions and angles between structures while maintaining the pressure loss advantages of rigid piping.
Solution Approach 2:
A movable carriage acts as an intermediary between the rigid transfer pipe sections and the connection points on structures. The carriage can move along the rigid pipe sections, enabling the system to accommodate movement and positioning requirements while the rigid pipe itself remains structurally sound and efficient.
3Ease of operation
If a crane is used for support, then the transfer operation can be performed, but the system becomes complex and requires permanent equipment
Solution Approach 1:
The system employs a movable carriage that travels along the transfer pipe sections, providing the necessary movement and positioning capabilities without requiring external cranes or hoisting devices. The carriage itself is the moving element that enables transfer operations.
Solution Approach 2:
The transfer system is self-contained with the carriage moving along the pipe sections under its own power or control mechanisms. The system serves itself by integrating the movement function into the transfer pipe structure rather than requiring separate hoisting equipment.
Data Source
AI summary
The present invention concerns a system for the transfer of cryogenic product from a first floating structure (800) for storage and transport of cryogenic product to a second fixed or floating structure (900) for storing cryogenic product, by means of a transfer pipe able to transport the cryogenic product. The system comprises a transfer pipe, itself comprising at least three rigid sections of pipe (12-17) fluidically connected each to the next by connection means (21 to 27) able to transport the cryogenic product, each of the two end sections of pipe (12, 17) having a free end configured as a tip for connection to a connection device of the first floating structure (800) and respectively of the second floating structure (900). The present invention also concerns a method of fluidically connecting a device for the transport of cryogenic product.