Traditional Culture Encyclopedia - Hotel franchise - Recovery principle of tertiary oil and gas recovery equipment in gas station?
Recovery principle of tertiary oil and gas recovery equipment in gas station?
When the tertiary oil and gas recovery system detects that the pressure in the oil tank reaches the preset starting pressure (such as+150Pa), the system starts to work; The compressor extracts oil and gas from the oil tank and compresses it. The oil and gas with increased temperature is cooled to room temperature by a condensing device, and some oil and gas are directly condensed into liquid oil. The remaining oil/gas/air mixture continues to enter the membrane module with selective permeation function for separation, and the mixed gas is divided into permeable phases rich in oil and gas-supersaturated oil and gas and purified air. The supersaturated oil and gas is pumped back to the oil tank by a vacuum pump, and the purified air can be directly discharged into the atmosphere. With the operation of the oil and gas recovery system, the pressure above the oil tank will gradually decrease. When the pressure at the top of the oil tank drops below the stop pressure (such as-150Pa) or the equipment stop time, the system will automatically stop until the pressure at the top of the oil tank rises again to reach the set start pressure, and the equipment will start again.
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