High-pressure gas storage bottle
A high-pressure gas and gas cylinder technology, which is used in gas/liquid distribution and storage, pressure vessels, fixed-capacity gas storage tanks, etc. Relatively small volume, small footprint, and small thickness of the bottle shell
Inactive Publication Date: 2012-08-22
ZHEJIANG UNIV
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Problems solved by technology
[0003] The actual design is that the pneumatic vehicle is equipped with multiple gas cylinders with different pressures to improve the comprehensive energy utilization efficiency. Each gas cylinder is equipped with an independent intake and exhaust valve and action mechanism, which will lead to complicated mechanisms, increased difficulty in layout, and reliable Low resistance, and too high pressure will cause the bottle shell material to be too thick, and the material needs to be large
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[0021] The specific implementation examples of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0022] figure 1 In the middle, a pressure relief valve 2 is set between the outer gas cylinder (low pressure) 1 and the inner gas cylinder (high pressure) 7, and the outer gas cylinder (low pressure) 1 and the inner gas cylinder (high pressure) 7 are sequentially connected to the bottle mouth 3, the shut-off valve 6, Intake and exhaust valve 4, intake and exhaust pipe 5.
[0023] When inflating at the high-pressure filling station, the high-pressure gas enters the intake and exhaust valve through the air inlet 25, and the intake and exhaust valve core 26 is controlled so that the high-pressure gas passes through the valve core channel A17 and valve core channel C22, the gas cylinder port a18 and the gas cylinder in sequence Port c23, enter the outer gas cylinder (low pressure) 1, make the gas pressure in the outer gas cylinder...
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The invention provides a high-pressure gas storage bottle, belonging to the technical field of high-pressure gas storage. The gas bottle comprises bottle bodies, bottle mouths and a gas inlet and outlet pipe. The gas bottle has a sheathed bottle body structure, i.e., an inner bottle body is arranged inside an outer bottle body; the bottle mouths of the two bottle bodies are respectively independent, are not intercommunicated and are connected to the gas inlet and outlet pipe through a gas inlet and outlet valve; and a spacing mechanism for totally closing or alternatively opening a gas channel of the two bottle bodies is arranged in the gas inlet and outlet valve. The wall thicknesses of the gas bottles are reduced by using gas pressure difference between the inner gas bottle body and theouter gas bottle body. Therefore, the high-pressure gas storage bottle has the characteristics of different pressures at two stages, small relative size, small bottle shell thickness, small steel useamount, small occupied area, etc. The gas inlet and outlet valve on the gas bottle has the characteristics of simple structure, convenience for processing, simple actuating action, etc. A pressure relief valve is arranged between the inner gas bottle and the outer gas bottle, too high pressure in the inner gas bottle can be prevented, and safety can be guaranteed.
Description
technical field [0001] The invention belongs to the technical field of high-pressure gas storage, and relates to a device suitable for storing and utilizing high-pressure gas. Background technique [0002] The pneumatic engine or piston engine works in the compressed air mode, and uses the compressed energy stored in the high-pressure air in the vehicle-mounted gas storage cylinder to convert it into mechanical energy to drive the car, which has the characteristics of energy saving and environmental protection. As a power source, the gas storage pressure of a pneumatic vehicle is large, the volume of the gas storage cylinder is large, and the material area and thickness of the gas cylinder are large. At the same time, in order to utilize the braking energy of the pneumatic vehicle, the pneumatic engine compresses the air to generate the braking force when braking, and stores the obtained high-pressure gas in the cylinder. The study found that when a pneumatic car recovers g...
Claims
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IPC IPC(8): F17C1/00
Inventor 徐焕祥李道飞俞小莉王雷叶锦
Owner ZHEJIANG UNIV