Method for CNG gas-adding station realizing arbitrary variable intake pressure
A technology of air intake pressure and realization method, which is applied in the direction of equipment loaded into pressure vessels, container filling methods, liquid variable capacity machinery, etc., which can solve the problem of reducing gas supply, wasting useful energy, and determining stable gas supply and power consumption Difficulties and other problems, to achieve the effect of reducing power consumption
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[0016] see figure 1 , figure 1 It is a series of spectral diagrams of the present invention. The gas filling station compressor is a series of products. There are three counter-moving bases, and the corresponding piston forces are 6-8 tons, 9-12 tons, and 13-16 tons. The cylinder structure includes a double-acting medium-pressure cylinder; a low-medium pressure inverted differential cylinder; and an inverted differential high-pressure cylinder. Each compressor is based on the motor power, and each power motor can adapt to various intake pressures and various air supply volumes. According to the type spectrogram, the working stages of the compressor are determined according to the inlet pressure range. When the natural gas pressure in the pipeline is 0.15MPa-0.7MPa, the compressor adopts four-stage compression; when the natural gas pressure in the pipeline is 0.8MPa-2.5MPa, The compressor adopts three-stage compression; when the natural gas pressure in the pipeline is 2.5MPa~...
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