Strainer on cooling water

[dubulu123]

Hello everybody,
In my refinery, because of lack of area, Basket filter at suction of cooling water booster pump was dismantled. In place of this T type strainer (30") with mesh size 7 mesh was put but it is getting frequently plugged(every 4-5 hrs).Cooling water source is from sea water channel.
Pump flow rate (rated) is 5150 m3/hr
Currently we are operating with a 2.5 mesh screen.It seems that my 30" strainer is undersized. Please help me in deciding the suitable size of strainer required to overcome the problem.

Thanks all in advance

 

[Compositepro]

This seems to be a good application for a self-cleaning strainer. There are a number on the market.

 

[unclesyd]

The use of an automatic strainer as suggested by Compositepro, is the only way to go with your cycle times.
We use self cleaning filers from both Orival and Tekleen. Check you system out and see if you can get by with a filter made for irrigation systems.

http://www.orival.com/irrigation_water_filters.asp

http://www.tekleen.com/

 

[rmw]

I have used Orival's and also a self cleaning strainer by Hayward. But I agree with fortsa that a self cleaner should be on the pump discharge. Other than a screen, I don't favor a strainer on a pump suction unless it is force fed.

rmw

 

[yumeteor]

A self-cleaning water filter should be placed on the discharge of the pump.

I think Forsta filters makes one that can handle this flow

http://www.forstafilters.com/industries-industrial-petrochemical.html

Good luck