High inlet pressure pump?
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Flow rate: 10 m3/h, head: 30 meters. Pump inlet pressure: 30 bar; the required pump outlet pressure is 33 bar. Behind it is a reactor, and there is pressure inside the reactor. Temperature: 110–130°C; medium: methanol, containing 5% nickel powder. The viscosity is like that of water. Density: 1.1. I would like to ask everyone: Is a centrifugal pump used? Diaphragm pump? Plunger pump? Screw pump? Still. . Could you recommend a foreign brand? Thank you first.
The flow rate and head are not high, but the inlet pressure is 30 bar, making it somewhat similar to a high-pressure hot water circulation pump. A heavy-duty single-stage centrifugal pump, namely API610 OH2, can be used. Flowserve, a foreign company, offers such high-pressure single-stage centrifugal pumps, with the inlet pressure capable of being even higher; they have provided quotes for pumps with an inlet pressure of 70 bar, and these are also single-stage centrifugal pumps.
What was said upstairs is correct; it’s a bit like a high-pressure hot water circulation pump, and ITT Goulds pumps can also meet the requirements. Could the original poster let me know in which projects and process stages this type of pump can be used? Thank you. Also, Li Xiaoning, please give me more points; I’ve done the calculations and 3700 should be fine.
It’s simple; most decent manufacturers in China can do it. It’s about paying attention to the strength of the pump casing and the arrangement of the mechanical seal
This type of pump requires a high inlet pressure tolerance. Ordinary pumps cannot achieve it. Currently, there are two options: centrifugal pumps and positive displacement pumps. It depends on the specific requirements; if nickel powder is involved, then a positive displacement pump is likely the only option. But not all positive displacement pumps will work; you can send me a message.