We have an ammonia recovery system at our ammonia plant. Ammonia is recovered in a scrubber operating at 105 Kg/cm2 with lean water. Water is pumped through a PD pump. Basket type strainer is installed at pump suction line in vertical position. Chocking problem is frequently observed with this strainer with algae layer due to which pump flow reduces to minimum. What do you recommend?
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Re: What is causing the strainer to choke?
7 July 2011 at 1:29pmAs always, there are at least two possible problems. One is to determine if the pump in question can actually handle the material that is chocking the strainer. If so, move the strainer to the outlet side of the pump where the higher pressure may reduce the chocking problem.
The other possibility is to increase your strainer clean-out frequency.
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