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Sealing device for gas cylinder or cylindrical vessel marshalling unit of compressed natural gas (CNG) carrier and marshalling unit

A technology of sealing device and transport ship, which is applied in the direction of preventing the multi-way movement of goods, for bulk goods, etc., can solve the problems of increasing the risk of system leakage and increasing the cost, reducing costs and leakage points, improving safety, The effect of ensuring system security

Pending Publication Date: 2018-05-11
SHIJIAZHUANG ENRIC GAS EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The patent application number 201510348091.2 previously applied by the applicant discloses a safe and efficient gas cargo system for CNG transport ships. The valve and each gas cylinder are connected and disconnected to realize sewage discharge. Since the root valve is added to each gas cylinder, the cost is greatly increased, and the connection method of the high-pressure cylinder valve is threaded connection. A large number of threaded connection points become leakage points, which increases the cost of the entire system. leakage risk

Method used

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  • Sealing device for gas cylinder or cylindrical vessel marshalling unit of compressed natural gas (CNG) carrier and marshalling unit
  • Sealing device for gas cylinder or cylindrical vessel marshalling unit of compressed natural gas (CNG) carrier and marshalling unit
  • Sealing device for gas cylinder or cylindrical vessel marshalling unit of compressed natural gas (CNG) carrier and marshalling unit

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Embodiment Construction

[0033] See attached Figure 6 , the present invention provides a sealing device for a CNG carrier gas cylinder or a bottle-type container grouping unit, which is arranged on the bottom and / or top of a gas cylinder or a bottle-type container grouping unit in a CNG carrier natural gas storage system, the key lies in: including The blowdown pipeline sealing box 2 connected with the bottom of each gas cylinder or bottle container 1 in the gas cylinder or bottle container grouping unit and filled with protective gas and / or with each gas cylinder or bottle in the gas cylinder or bottle container grouping unit The top of the container 1 is connected to the loading and unloading gas pipeline sealing box 10 filled with protective gas; the sewage pipeline A is located in the sewage pipeline sealing box 2, and the control valve matched with the sewage pipeline A is located in the gas cylinder or bottle container Outside the grouping unit, the loading and unloading gas pipeline B is locat...

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Abstract

The invention discloses a sealing device for a gas cylinder or cylindrical vessel marshalling unit of a compressed natural gas (CNG) carrier. The sealing device for the gas cylinder or cylindrical vessel marshalling unit of the compressed natural gas (CNG) carrier is arranged at the bottom and / or the top of the gas cylinder or cylindrical vessel marshalling unit in a natural gas storage system andcomprises a blow-off pipeline sealing box and a gas loading and unloading pipeline sealing box, wherein the blow-off pipeline sealing box is connected with the bottom of each gas cylinder or cylindrical vessel in the gas cylinder or cylindrical vessel marshalling unit and filled with shielding gas; and the gas loading and unloading pipeline sealing box is connected with the top of each gas cylinder or cylindrical vessel in the gas cylinder or cylindrical vessel marshalling unit and filled with shielding gas; a blow-off pipeline and a gas loading and unloading pipeline are positioned within the corresponding sealing boxes; and assorted control valves are positioned outside the gas cylinder or cylindrical vessel marshalling unit. The invention further discloses a marshalling unit with the sealing device. According to the sealing device for the gas cylinder or cylindrical vessel marshalling unit of the compressed natural gas (CNG) carrier, by arranging the blow-off pipeline sealing box and the gas loading and unloading pipeline sealing box to respectively seal the blow-off pipeline and the gas loading and unloading pipeline, filling the shielding gases in the blow-off pipeline sealing box and the gas loading and unloading pipeline sealing box and eliminating a gas cylinder root valve to reduce leaking points, the safety of the whole natural gas storage system is guaranteed.

Description

technical field [0001] The invention belongs to a compressed gas marine transport system, and relates to a CNG transport ship, in particular to a sealing device for a CNG transport ship's gas cylinder or bottle-type container grouping unit and a gas cylinder or bottle-type container grouping unit with the above-mentioned sealing device. Background technique [0002] A compressed natural gas (CNG) carrier refers to a cargo ship that transports compressed natural gas. Since it does not require expensive equipment such as liquefaction units and regasification terminals, it is beneficial to reduce shipping costs, so it is increasingly popular. [0003] The patent application No. 96191260.X filed in China by Enlang LNG Development Co., Ltd. of the United States discloses a compressed natural gas shipping system, which is equipped with compressed gas storage containers on board, and each compressed gas storage container includes 3 to 30 Gas cylinders, gas cylinders are installed i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B25/12B63B25/24
CPCB63B25/12B63B25/24
Inventor 王五开李书磊韦静静邵海波张志辉王会赏刘玉红
Owner SHIJIAZHUANG ENRIC GAS EQUIP
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