What type of pumps are used for bottom extraction in 100,000 m³ crude oil tanks? How is it being used? Please give your advice
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Dear colleagues: The pump designed for pumping the bottom oil from crude oil storage tanks is a positive displacement pump of the cam rotor type, with a design flow rate of 300 m³/H. It is required to have self-priming capability, as its function is to extract the oil from the bottom of the tank, which contains many impurities, during tank cleaning. I wonder what kind of pumps are used for crude oil storage tanks by you all? How is it working? Could you also recommend pumps with good cost-performance?
We have used rotor pumps; they work well in applications that require self-priming capability.
Question: What type of rotor is used? Is it a three-blade type? Is the rotor rigid, or is it made of PFM (fluororubber), or is the tip of the rotor made of PFM? Do you have reducers? Is it a split-type or a separate unit?
I’m sorry; I’m not specifically in charge of procurement. Your question is quite detailed, so it would be advisable to consult the pump manufacturer.
Due to the large amount of impurities at the bottom of the crude oil tank, it is recommended to use a cam rotor pump with a rigid rotor and a reducer. Long lifespan. The results are also quite satisfactory.
We also use rotor pumps for crude oil storage tanks with a capacity of 100,000 cubic meters. Flow rate: 270–300 m3/H; Operating temperature: 15–36°C; Outlet pressure: 0.6–0.62 Mpa
Due to the large amount of impurities at the bottom of the crude oil tanks, it is recommended to use cam rotor pumps and cast steel sludge pumps, which yield good results. Their common feature is a large displacement with low head; the maximum head is 2.0 Mpa. The difference lies in the type of pump: the cam pump is positive-displacement type with a rotation speed of 750 revolutions per minute, while the sludge pump is centrifugal type with a rotation speed of 1490 revolutions per minute. Both types perform fairly well.
Cam rotor pumps with rigid rotors are recommended.
There are many types of cam rotor pumps; the old small screw pumps are now gradually being replaced by cam rotor pumps! As far as I know, the company that is widely used in China is a private enterprise based in Shengzhou; its name is Weige Fluids. It’s the first time I’ve heard this name before: L
Our company manufactures heavy oil pumps, but they don’t need to be as efficient as 1800-cubic-foot centrifugal pumps