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A liquefied natural gas storage and transportation device

A technology of liquefied natural gas and rotating devices, applied in gas/liquid distribution and storage, container filling methods, container discharge methods, etc., can solve problems such as safety accidents, structural leakage, and large storage tank pressure

Active Publication Date: 2020-10-09
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the existing LNG storage and transportation devices have the following problems: First, the storage and transportation device will be subject to vibration and shock during transportation, and local fatigue and vibration of the structure can easily cause leakage, resulting in serious safety accidents; Stratification will occur in the transportation device, and the stratification will accelerate the gasification process of liquefied natural gas, causing the tumbling of liquefied natural gas in the liquefied natural gas storage tank, creating huge storage tank pressure in an instant, bringing huge safety hazards

Method used

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  • A liquefied natural gas storage and transportation device
  • A liquefied natural gas storage and transportation device
  • A liquefied natural gas storage and transportation device

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0040] Such as figure 1 As shown, a liquefied natural gas storage and transportation device includes a tank 100 for storing liquefied natural gas, a rotating device 200 for preventing stratification, and a shock absorbing device 300 for buffering and absorbing energy;

[0041]The rotating device 200 is installed on the tank body 100 , and the tank body 100 is installed on the shock absorbing device 300 .

[0042] Such as Figure 7 , Figure 8 , Figure 9 As shown, the rotating device (200) includes a liquid nitrogen cold trap (201) installed on the top of the tank (100) and communicated with the tank (100) for temperature reduction and decompression, installed in the tank (100) for eliminating Stirring components with different density in the tank body (100);

[0043] The stirring assembly 202 includes a driving motor 203, a main shaft 204...

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Abstract

The invention discloses a liquefied natural gas storage and transportation device. The liquefied natural gas storage and transportation device comprises a tank body used for storing liquefied natural gas, a rotating device used for preventing layering, and a damping device for buffering energy absorption; the rotating device is arranged on the tank body, and the tank body is arranged on the damping device; the rotating device comprises a liquid nitrogen cold trap and a stirring component, wherein the liquid nitrogen cold trap is arranged at the top of the tank body and is communicated with the tank body and used for cooling and reducing pressure, and the stirring component is used for eliminating the density difference; and the damping device comprises a base and a first damping component arranged on the base and used for buffering energy absorption in the Z direction, is arranged on the base and is located above the first damping component, and the second damping component is used for buffering energy absorption in the X direction and the Y direction, is arranged on the second damping assembly and is used for fixing the tank body. The device is specially used for liquid natural gas, and the device is good in energy absorption buffer effect and safe and reliable in transportation.

Description

technical field [0001] The invention relates to the technical field of liquefied natural gas storage and transportation, in particular to a liquefied natural gas storage and transportation device. Background technique [0002] Facing the increasingly serious situation of ecological environment pollution, in order to optimize the energy consumption structure, improve the atmospheric environment, and realize the economic development strategy of sustainable development, people choose natural gas, a clean, efficient and ecological high-quality energy and fuel. [0003] Liquefied natural gas is the liquid form of natural gas, referred to as LNG, the main component is methane, which is recognized as the cleanest fossil energy on earth. Colorless, odorless, non-toxic and non-corrosive, its volume is about 1 / 625 of the volume of the same volume of gaseous natural gas, and the mass of liquefied natural gas is only about 45% of the same volume of water. Its manufacturing process is t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C13/08
CPCF17C13/084F17C2223/0153
Inventor 邓佳佳卢金树张建伟吴文锋
Owner ZHEJIANG OCEAN UNIV
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