Intermittent Low Water Level

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Posted by BC Lee on July 11, 2000 at 01:04:12:

Hi All. Need some advices on this.

We have 3 Cochane Boilers (4800 kg/hr) fitted with Grundfos Feed Pump (rated 5.5 hp, 2.2 MPA). The boiler pressure is usually around 8-10 bar.

The problem is that we experience intermittently low water level in the past 4 weeks or so. We checked the feed pump and the chemicals injection point (right before the pump), the filter and line appeared to be clean. There is some carryover found in the steam (white powder-like), and two of the steam traps were not working properly. We have a feed water tank that is large enough that possibility of low water supply is non-existence.

Could anyone advice what else should we check and what could have caused the water level to go down ?

Thank you.

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