Guys, has anyone used a high-speed pump as a boiler feed water pump?
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As the title suggests, under operating conditions of a flow rate of 2–8 cubic meters and a head of 530 meters, with hot water at 106 degrees at the inlet, will a high-speed pump work well? I’m also wondering, aside from this flow rate and head, are there any people who use high-speed pumps to circulate water in boilers?
We use a high-speed pump to circulate water in the boiler, and it works very well. It is not advisable to design low-flow pumps as multi-stage pumps, as this results in a large number of impeller stages and extensive maintenance requirements. High-speed pumps can use open impellers, which eliminate axial forces, ensure stable operation, have fewer flow-through components, and are easier to maintain. Additionally, a reciprocating pump could also be considered; it is much more energy-efficient than the previous two options, and its flow rate can be controlled via frequency conversion. I now regret not choosing a reciprocating pump back then. :lol
When buying a high-speed pump, choose carefully; in my opinion, multi-stage pumps are more reliable than high-speed pumps! The high-speed pump we used before wasn’t very good! High failure rate! Oil leaks, bearing problems, and more!
If the flow rate is low, go with a reciprocating pump! ! I’m using a 30-cubic one
Screw shell pumps have been used in our installations as examples
Yes! It works great! Vertical spaceflight!
Reciprocating pumps have high efficiency, but they generate significant vibration and have many wear-prone components