vacuum pump for oil and gas recovery

In the process of storage, loading, unloading and transportation, a large amount of oil and gas will be produced due to its volatility. Therefore, oil and gas recovery devices are often equipped in the above process to collect oil and gas. On the one hand, it can reduce oil and gas pollution and potential safety hazards, and on the other hand, it can reduce oil consumption and increase efficiency. Its process mainly includes collection, desorption, desorption and recovery:

Collection and adsorption of oil and gas

The collection and adsorption of oil and gas recovery mainly rely on its pressure difference to make oil and gas flow to the adsorption tank with adsorbent. Due to the hydrocarbon affinity of the adsorbent, the oil vapor will be adsorbed, and the adsorbed clean air will be discharged into the atmosphere through the exhaust port of the adsorption tank.

In the current process, there are generally two adsorption tanks filled with adsorbent to be used alternately. When one adsorption tank is close to the adsorption saturation state, the oil and gas will be switched to another adsorption tank through the valve, and the oil vapor will continue to be adsorbed. At the same time, the saturated adsorption tank begins to enter the desorption process.

vacuum-pump-for-oil-and-gas-recovery

Desorption desorption

In desorption and desorption, the vacuum pump for oil and gas recovery is the core equipment in the process. After the adsorption tank is saturated, it needs to separate the oil vapor from the adsorbent through high vacuum, which is also the regeneration process of the adsorption tank. Through the vacuum pump of oil and gas recovery, the adsorption tank can reach a high vacuum state, and the adsorbed oil and gas can be desorbed from the adsorbent. When the pressure in the tank drops to a certain extent, a small amount of nitrogen or air can be introduced into the adsorption tower as cleaning gas to promote further desorption of oil and gas. The oil and gas desorbed from the adsorbent can be sent to the recovery process as concentrated gasoline vapor with almost no air.

recovery

The concentrated oil vapor desorbed by the oil and gas recovery vacuum pump needs to be recovered as liquid at the bottom of the absorption tower after the absorption tower contacts with the gasoline falling from the top to the bottom of the absorption tower by convection, and then sent to the oil storage tank.

The above is a brief process of adsorption oil and gas recovery process. The vacuum pump for oil and gas recovery is not to directly pump out oil and gas, but to achieve the desorption of oil and gas in the adsorbent by manufacturing a high vacuum, which is the manufacturing condition for recovery. In theory, adsorption oil and gas recovery process can achieve infinitely low emission concentration, while operating in a variety of ways and with high efficiency, so it has become the most popular oil and gas recovery process in the world.

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