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LNG (Liquefied Natural Gas) filling machine and LNG filling station

A gas dispenser, explosion-proof enclosure technology, applied in mechanical equipment, gas/liquid distribution and storage, container discharge methods, etc., can solve problems such as explosion, injury, hydrogen leakage, etc., to improve response speed, reduce structural strength, Damage reduction effect

Active Publication Date: 2022-03-22
BEIJING SANKI GASOLINEEUM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] From the above, it can be known that the normal operation of the explosion-proof device requires the linkage of multiple components. Once one of the components is damaged, it is very easy to cause hydrogen leakage, which in turn leads to an explosion. During the explosion process of the machine, various fragments spread to the surroundings instantly, which is easy to cause harm to the surrounding people

Method used

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  • LNG (Liquefied Natural Gas) filling machine and LNG filling station
  • LNG (Liquefied Natural Gas) filling machine and LNG filling station
  • LNG (Liquefied Natural Gas) filling machine and LNG filling station

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Embodiment Construction

[0038] The following is attached Figure 1-6 The application is described in further detail.

[0039] The embodiment of the present application discloses an LNG filling station. refer to figure 1 , LNG filling station includes LNG storage tank, LNG pump skid, station control system and LNG filling machine; the main function of LNG storage tank is to store compressed natural gas; Wen et al., where liquid filling refers to filling the LNG in the LNG storage tank into the steel cylinder of the vehicle through the filling machine by the LNG cryogenic submersible pump; unloading refers to using the LNG cryogenic submersible pump to pump the LNG in the transport vehicle to In the LNG storage tank; pressurization means that part of the LNG in the LNG storage tank is injected into the LNG storage tank through gasification and pressure regulation, so as to adjust the pressure in the LNG storage tank to the set value; The liquid pump pumps out part of the LNG in the LNG storage tank,...

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Abstract

The invention relates to the technical field of gas filling machines, in particular to an LNG (liquefied natural gas) filling machine and an LNG filling station, the LNG filling machine comprises an explosion-proof shell, a gas filling machine body, an explosion-proof cover and a connecting assembly, the interior of the explosion-proof shell is hollow, one end of the explosion-proof shell is open, the gas filling machine body is mounted in the explosion-proof shell, the explosion-proof cover is arranged at the open end of the explosion-proof shell, and the explosion-proof cover is fixed on the explosion-proof shell through the connecting assembly; the anti-explosion cover can overcome the fastening force of the connecting assembly and move in the direction away from the anti-explosion shell during explosion. The explosion protection device has the advantage that the harm to surrounding people in the explosion process of the gas dispenser is reduced.

Description

technical field [0001] The present application relates to the technical field of filling machines, in particular to an LNG filling machine and an LNG filling station. Background technique [0002] Gas dispenser refers to the gas filling equipment that provides fuel to natural gas vehicles (NGV) and large CNG sub-station vehicles in the form of compressed natural gas (CNG). Usually, in order to ensure the safety of use, each gas dispenser will be equipped with an explosion-proof device. [0003] The current explosion-proof devices mainly include pressure transmitters, gas filling solenoid valves, hydrogen alarms and other components. The working principle is to use pressure transmitters to detect pressure changes in gas dispenser pipelines. At the same time, use the hydrogen alarm to detect the hydrogen content in the surrounding environment. When the hydrogen reaches the lower limit of the alarm, the hydrogen alarm interlocks with the DSC system to close the intake solenoid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C13/12F16F15/06F17C13/08
CPCF17C13/12F16F15/06F17C13/08
Inventor 顾建辉解美齐郑春博李刚钟伟明於武章
Owner BEIJING SANKI GASOLINEEUM TECH