Self-pressurizing system of gas cylinder

A self-pressurization and gas cylinder technology, applied in the direction of charging system, oil supply device, internal combustion piston engine, etc., can solve the problems of liquefied gas leakage, hidden dangers, low efficiency of air heating and heat transfer, etc.

Inactive Publication Date: 2014-10-15
ZHANGJIAGANG FREE TRADE ZONE CHANGJIANG NEW ENERGY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the supercharging system of this structure needs to heat the liquefied natural gas through air heat, and the heat conduction efficiency of air heating is low, and a large number of self-pressurized finned tubes are exposed, which is prone to leakage of liquefied gas in the event of an accident such as a vehicle collision, resulting in Hidden danger

Method used

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  • Self-pressurizing system of gas cylinder

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Embodiment Construction

[0017] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] Such as figure 1 As shown, a self-pressurization system for LNG vehicle-mounted cylinders includes a gas cylinder 1, the liquid outlet of the gas cylinder 1 is connected to the water bath type vaporizer 2 through a pipeline provided with an electronically controlled liquid outlet valve, and the water bath Type gasifier 2 communicates with the automobile engine cooling water system. The outlet of the water-bath gasifier 2 is provided with a tee, one outlet on the tee is connected to the automobile engine through a pipeline, and the other outlet on the tee is connected to the gas storage tank through a pipeline, and the gas storage tank is connected to the gas storage tank through the pipeline. The pipeline is connected to the gas phase port of the gas cylinder 1 and a pressure sensor 6 and a check valve 5 are arranged on this section of...

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Abstract

The invention discloses a self-pressurizing system of a gas cylinder, which is safe in use. The system comprises the gas cylinder, wherein a liquid outlet of the gas cylinder is connected with a water bath type vaporizer by a pipeline provided with an electric control liquid outlet valve; a tee is arranged on an outlet of the water bath type vaporizer; one outlet of the tee is connected with a gas application terminal by a pipeline; another outlet of the tee is connected with a gas storage tank by a pipeline; the gas storage tank is connected with a gas phase opening of the gas cylinder by a pipeline; a pressure sensor is arranged on the pipeline; a temperature sensor is arranged on the pipeline of the outlet of the water bath type vaporizer; a control cabinet which is connected with the pressure sensor, the temperature sensor and the electric control liquid outlet valve is arranged on the gas storage tank; a pressurizing valve which is controlled by the control cabinet to be switched on/off is arranged on one end, communicated with the gas phase opening of the gas cylinder, of the gas storage tank.

Description

technical field [0001] The invention relates to a self-pressurizing system of a gas bottle. Background technique [0002] The gas cylinder self-pressurization system is an auxiliary system for quickly and stably providing the pressure and flow required for the normal liquid supply of the gas cylinder. The traditional self-pressurization system includes a cut-off valve, a booster regulating valve, a self-pressurization finned tube and corresponding connecting pipelines connected with LNG vehicle cylinders. During use, when the pressure at the top of the gas cylinder does not reach the liquid supply pressure of the gas cylinder, start the cut-off valve and the boost regulating valve, and the liquefied natural gas will enter the self-pressurized finned tube and air after passing through the stop valve and the boost regulating valve. After heat exchange, the liquefied natural gas vaporizes back to the top of the cylinder. When the pressure in the cylinder reaches the pressure ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M21/06
CPCY02T10/30
Inventor 陈永良刘凯
Owner ZHANGJIAGANG FREE TRADE ZONE CHANGJIANG NEW ENERGY EQUIP
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