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A high-efficiency unloading device and application of liquefied natural gas tanker

A technology for liquefied natural gas and tank trucks, applied in fixed-capacity gas storage tanks, container discharge methods, gas/liquid distribution and storage, etc., can solve problems such as waste and unutilized natural gas, and reduce emissions and gasification. efficiency, reducing operational hazards

Inactive Publication Date: 2017-09-19
SEDIN ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the LNG (liquefied natural gas) and CNG (compressed natural gas) joint construction station, the final pressure of the CNG (compressed natural gas) trailer unloading is about 2.0MPa, and a part of the natural gas in the trailer is still unused, resulting in waste

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  • A high-efficiency unloading device and application of liquefied natural gas tanker
  • A high-efficiency unloading device and application of liquefied natural gas tanker
  • A high-efficiency unloading device and application of liquefied natural gas tanker

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Embodiment Construction

[0025] In order to make the technical problems solved by the patent of the present invention and the economic benefits brought by it more intuitive, the patent of the present invention will be further described below in conjunction with the accompanying drawings.

[0026] Unloading device of the present invention, it comprises compressor 4, air cooler 7, first heat exchanger 6, second heat exchanger 24, LNG (liquefied natural gas) storage tank 11, flexible pipe, decompression valve, shut-off valve and The pipeline is characterized in that one end of the CNG (compressed natural gas) main pipeline 17 is connected with the first hose 2, and the other end passes through the first stop valve 3, the pressure reducing valve 5, the first check valve 8 and the second heat exchanger 24 in sequence The gas phase inlet of the second heat exchanger 24 is connected to the gas phase inlet, and the first gas phase outlet of the second heat exchanger 24 is connected with the second hose 14 afte...

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Abstract

A device for efficiently unloading a liquefied natural gas tanker. The invention has the advantages of being able to reduce the gasification rate of the LNG, without waste, and being convenient for unloading the LNG tanker.

Description

technical field [0001] The invention belongs to a device for unloading a liquefied natural gas tanker, in particular to an LNG (liquefied natural gas) tanker unloading device for a joint construction station of LNG (liquefied natural gas) and CNG (compressed natural gas) and its application. Background technique [0002] As the country vigorously promotes the construction of clean energy, the number of LNG (liquefied natural gas) vehicles continues to increase, which drives the rapid development of the entire gas station industry. At present, there are two ways to unload vehicles at LNG (liquefied natural gas) filling stations: submersible pump unloading and self-pressurized dump trucks. The characteristics of the two unloading methods are shown in the table below. [0003] Comparison of two unloading methods [0004] [0005] As far as the current two unloading methods are concerned, self-pressurized unloading is mostly used in the actual operation of gas filling stati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C7/02F17C13/00
Inventor 高旭亮彭国干赵亚平任瑜杰马耀马英
Owner SEDIN ENG