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Liquefied petroleum gas filling method and apparatus

A filling device, a technology for liquefied gas, applied in container filling method, equipment for loading pressure vessels, gas/liquid distribution and storage, etc.

Inactive Publication Date: 2006-04-05
陈思喆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the liquefied petroleum gas industry must emphasize no "running, leaking, dripping, or leaking" more than the general industry, because the leakage of liquefied petroleum gas not only causes waste and pollution, but more seriously, it can form a fire hazard. If the prevention is not careful, it will cause a catastrophic accident
Therefore, this kind of leakage has formed a contradiction between production, safety and environmental protection. This kind of contradiction not only plagues the production activities of enterprises, but also is the bottleneck of technological innovation. It restricts the marketing method of liquefied petroleum gas and hinders the improvement of service quality.

Method used

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  • Liquefied petroleum gas filling method and apparatus
  • Liquefied petroleum gas filling method and apparatus
  • Liquefied petroleum gas filling method and apparatus

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0022] Loading and unloading liquefied gas tanker without leakage As shown in Figure 1, an angle valve 23 is installed outside the liquid phase valve 21 of the liquefied gas tank 101, and an angle valve 24 is installed outside the gas phase valve 22. The output pipe A of the leak-free filling device 102 is connected with the gas phase pipe D of the liquefied gas tank 101 at the inside of the gas phase valve 22, (certainly also can be connected with the liquid phase pipe, but when the tank is full of liquefied gas, the liquid The load of the phase pipe is larger than that of the gas phase pipe), and the pipe end of the input pipe B is equipped with a canned valve 12. After the tank truck finishes loading and unloading, before unloading the connecting hose, connect the filling valve 12 with the angle valve 23, open the angle valve 23, and start ...

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Abstract

The invention discloses a method for filling liquefied gas without leak and related equipment. In gas filling procedure, the remnant liquefied gas on the pipe that connects the stored container and the container to be stored is transported back to the container by said equipment, in order to prevent gas rush when the pipe being knocked down. Combining the invented equipment and tank car containing liquefied gas makes a mobile filling system with no leak, providing a service for user in village and small town and for cars using dual fuel.

Description

technical field [0001] The invention relates to a liquefied gas filling process and its equipment, in particular to a liquefied petroleum gas filling process and its equipment. Background technique [0002] In the current liquefied petroleum gas filling operation, whether it is filling bottles, pouring residual liquid, or loading and unloading tankers and tankers, there is leakage. After that, in the pipeline connecting the storage container and the container (hereinafter referred to as the filling pipeline), there is still remaining liquefied gas. When the connecting pipe is connected, the liquefied gas remaining in it will be ejected. This kind of leakage accompanying production has always been an obstacle for the liquefied petroleum gas industry to achieve the standard of no "running, leaking, dripping, and leaking". However, the liquefied petroleum gas industry must emphasize no "running, leaking, dripping, or leaking" more than the general indu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C5/02
Inventor 陈思喆
Owner 陈思喆