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ENCYCLOPEDIA

Atmospheric and vacuum vacuum system
Time: 2021-09-14

1.1 The full steam jet vacuum pumping system adopts a full steam jet pump set, which is composed of a first-stage booster + a first-stage evacuation device + a second-stage evacuation device, and a vacuum pump is set between the first-stage booster and the first-stage evacuation device. Two-stage condenser, a two-stage condenser is arranged between the one-stage evacuator and the two-stage evacuator, and a three-stage condenser is arranged after the two-stage evacuator.
The oil and gas at the top of the tower is pressurized by the first-stage supercharger and then enters the first-stage condenser. Most of the condensable oil and gas and steam are condensed in the first-stage condenser, and the uncondensed gas and oil enters the first-stage evacuation device for pressurization. A small part of the condensable oil and gas and steam are condensed in the secondary condenser, and the uncondensed oil and gas finally enters the secondary evacuator to be pressurized to higher than atmospheric pressure, and a small part of the condensable oil and gas and steam are in the tertiary condenser. After being condensed, the final uncondensed oil and gas are processed and discharged into the atmosphere to realize the vacuuming process.
1.2 The steam injection + liquid ring pump vacuum system is composed of a first-stage supercharger + a first-stage evacuation device + a liquid-ring pump. A two-stage condenser is arranged between the first-stage evacuator and the liquid ring pump.
The oil gas at the top of the tower is pressurized by the first-stage supercharger and then enters the first-stage condenser. Most of the condensable oil and gas and steam are condensed in the first-stage condenser, and the uncondensed gas and oil enters the first-stage evacuation device for pressurization. A small part of the condensable oil and gas and steam are condensed in the secondary condenser, and the uncondensed oil and gas finally enters the liquid ring pump and pressurizes to higher than atmospheric pressure, and a smaller part of the condensable oil and gas and steam are condensed in the liquid ring pump. , The final uncondensed gas is discharged into the atmosphere after being processed. , Realize the vacuuming process.

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