Calculation of filtration area

Calculation of filtration area


A=



Q：flow  (m3/s)    
U: dynamic viscosity  (pa.s)
         A: area (㎡)
        ΔP:pressure difference (pa)  

K：Oil capacity coefficient (m3/㎡)
Wire mesh filter element  K=0.34    
Wedge wire filter element  K=0.17
Paper filter element  K=0.006



1. Metal felt filtration area
A=
     
u: dynamic viscosity   (Pa.s)
Q: flow  (m3/s) 
ΔP: pressure difference (pa)  
H: height (m)
K：penetrability coefficient (㎡)

2. Area is calculated according to the standard flow rate of filter element
a. resin filter：water 0.15bar  10 inch.
                    5μm  10L/ min
10μm  18L/min
25μm  30L/min

b. Wedge wire filter element： water ΔP=0.15bar      10 inch  
1μm      8 L/ min  
5μm      20 L/ min
10μm     32L/min            
25μm     38L/min

c. Melt-blown filter element：water ΔP=0.15bar   10 inch
1μm    4.5L/ min
5μm    9 L/ min
10μm   14L/min
20μm   18L/min

The calculated area is the flow data in the pure state, and it should be considered to increase the appropriate area to extend the service cycle, generally at least one or two times, or even four times.


The above method just for reference.

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