CNG directly inflating process and CNG substation
A direct filling and process technology, applied in container filling method, fixed-capacity gas storage tank, gas/liquid distribution and storage, etc., can solve the problems of complex structure of gas filling sub-station, difficult maintenance and maintenance, complicated gas filling process, etc. , to achieve the effect of increasing gas sales, simple structure, and saving investment in station construction
Inactive Publication Date: 2009-12-30
XINJIANG XINJIE FUEL GAS
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Problems solved by technology
Although these two kinds of gas filling stations are more commonly used, the construction and equipment investment of these two CNG gas filling sub-stations are large, and the structure of the gas filling sub-station is complex, resulting in cumbersome gas filling process, long filling time and low work efficiency.
In addition, the compression equipment and hydraulic devices used in traditional gas filling sub-stations not only consume a lot of energy, but also are difficult to maintain and maintain, which increases the production cost of the enterprise
Method used
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Embodiment Construction
[0041] A kind of CNG directly filling gas filling technology, comprises the steps:
[0042] 1. First determine that the pressure of at least one of the gas storage devices 1 is higher than the full pressure of the gas storage container 13 to be filled by 18.5Mpa. In order to carry out normal filling of the gas storage container 13 to be filled, the gas storage device The pressure in 1 is generally 22.6Mpa. The air gun 5 is connected with the gas storage container 13 to be filled, and the pressure of the gas storage container 13 to be filled is detected by the direct charging control device 8 through the gas sales control device 12, when the gas storage container 13 to be filled is When the pressure of the container to be filled is less than the full pressure of the container to be filled with the gas storage container 13 to be filled, then proceed to the next step;
[0043]2. The gas storage pressure 22.6Mpa of each gas storage device 1 is detected by the direct charging cont...
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The invention discloses a CNG direct filing plus gas process and CNG direct filling plus gas station. The CNG direct filing plus gas process is based on CNG direct filling plus gas station, collect reserve air pressure on at least four reserve air devices through pressure signal collection device by direct filing controlling device. Then compare awaiting priming vessel pressure with reserve air pressure by direct filing controlling device. Accord to compared value, select a lowest pressure in reserve air devices as first choice direct filing reserve air device, which under effect of pressure signal collecting device, priming sequence control device and sell gas device, control partial pressure gauge, partial switch control valve, master switch control valve, master pressure gauge and master flow meter process CNG direct filling through plus air gun. The invention has simple CNG direct filing plus gas process steps, easy operation, short filing time, high work efficiency. The CNG direct filling plus gas station has simple structure, small construction investment, low energy consumption and easy maintenance.
Description
technical field [0001] The invention relates to a CNG gas filling process and a CNG gas filling station, in particular to a CNG direct filling gas filling process and a CNG direct filling gas filling substation. Background technique [0002] With the increasing shortage of oil resources and the gradual rise of fuel prices, more and more motor vehicles begin to use compressed natural gas (CNG) as fuel. At present, most of the sub-stations for filling CNG for various motor vehicles are compressed CNG sub-stations and hydraulic CNG sub-stations. The compressed CNG refueling sub-station is generally composed of a sub-station trailer, a gas unloading column, a compressor, an inflation sequence plate, a gas storage cylinder group, and a gas filling machine connected in sequence. to the filling sequence control panel or the inlet of the compressor, and then the filling sequence control panel will store the natural gas compressed by the compressor in the gas storage cylinder group ...
Claims
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IPC IPC(8): F17C7/00F17C5/06
Inventor 石宇煌肖军
Owner XINJIANG XINJIE FUEL GAS