Modular LNG Manifold Layout for Rapid ISO Tank Vessel Retrofitting
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Solution Overview
Problem
Existing systems for transporting and distributing liquefied natural gas (LNG) lack efficiency in distributing LNG as an energy dense liquid fuel to transportation and power generation industries, particularly in locations without suitable port infrastructure or remote areas.
Innovation Solution
The use of modular LNG manifold apparatuses configured to facilitate the retrofitting of marine vessels to function as Offshore Supply Vessels (OSVs) for filling and delivering ISO tank containers with LNG, enabling securement and rapid connection to vessel lines, and allowing for easy repair and maintenance by decoupling the OSV from on-board repairs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional LNG distribution systems are used, then LNG can be transported over long distances, but distribution to remote areas and locations without suitable port infrastructure is inefficient
Solution Approach 1:
The system divides the distribution network into segments: bulk LNG carriers transport to hub locations, and modular OSVs with ISO tank containers distribute to remote destinations. This segmentation allows each component to be optimized for its specific function while improving overall distribution adaptability to various locations including remote areas without suitable port infrastructure.
Solution Approach 2:
The system transitions from traditional port-based distribution to offshore-based distribution using floating OSVs. By moving the distribution point from shore to sea, the system can serve remote areas and locations inaccessible to traditional port infrastructure, adding a spatial dimension to distribution capability.
2Productivity
If marine vessels are retrofitted to function as OSVs, then delivery efficiency to remote locations improves, but vessel modification complexity increases
Solution Approach 1:
The OSV is designed with universal, modular components including standardized ISO tank containers and interchangeable manifold apparatuses. This universality allows the vessel to perform multiple functions (transporting different ISO containers, serving various remote locations) while keeping modifications manageable through standardized interfaces and components.
Solution Approach 2:
The manifold apparatus and ISO tank containers are designed and prepared onshore before vessel deployment. Connection systems, piping, and control components are pre-assembled and tested, reducing on-vessel modification complexity and enabling rapid deployment of the OSV capability.
3Productivity
If modular manifold apparatuses are used for rapid connection, then delivery efficiency improves, but system complexity increases
Solution Approach 1:
The manifold apparatus is divided into modular segments corresponding to each ISO tank container connection. Each module includes dedicated piping, valves, and connections for a single container, allowing independent assembly, testing, and replacement. This segmentation enables rapid connection while managing complexity through standardization of each module.
Solution Approach 2:
The manifold apparatus serves as an intermediary device between the vessel's bulk LNG storage and multiple ISO tank containers. It provides standardized connection interfaces and control systems that simplify the coupling process, enabling rapid connection despite the inherent complexity of cryogenic fluid distribution to multiple containers.
4Adaptability or versatility
If ISO tank containers are used for LNG distribution, then adaptability to various destinations improves, but securing and handling on vessels becomes more complex
Solution Approach 1:
ISO tank containers provide universal interfaces that can be secured using standard container handling equipment (cell guides, twist-locks) already present on vessels. This universality allows the same container type to be used for different destinations and handled by existing vessel infrastructure, improving adaptability while managing handling complexity through standardization.
Data Source
AI summary
Modular, liquid natural gas (LNG) manifold apparatuses, crossover systems for such modular manifold apparatuses, and systems including one or more of the modular manifold apparatuses and a plurality of ISO tank containers. The modular manifold apparatus includes an ISO container (e.g., an open-frame ISO container) with a plurality of container connection sections or bays, a liquid system, and a vent system, where each of the liquid and vent systems includes a header and a plurality of connection lines configured to be coupled to the respective liquid and vent connections of LNG containers adjacent the modular manifold apparatus.