Walnut Shell Filter
Walnut shell filter
- Application scope
The filter oily used for the oil filed wastewater fine filtration , also applies to other industrial wastewater treatment
- work principle
Deep-bed filtration theory the use the walnut shell as the filter media, backwash mechanical mixing method can be manual and automatic operation.
1,80%.Peach shell filter has a strong adsorption capacity ,used for oil wastewater filter the oil and suspend solid removal rate of up to 80%
2 ,Walnut shell filter media filter filtration rate is high up to 25~30m/h back wash low intensity(6-7l/s m2),corrosion resistance ,good chemical stability
3,Walnut shell filter regeneration is conducted by mixing stirring and filter to use the frication and the frication between the filter and the oil filter, mechanical impurities and the filter separation
- main technology parameters
| m3/h Single handling capacity | 15~250 | Water quality before filter | Oil cotent | water quality after filter | first class filter | mg/l Oil content | ≤20 |
| design pressure MPa | 0.6 | ≤ 100mg/l | mg/l Flotation | ≤10 | |||
| filtering velocity m/h | 25 | Grain size μm | |||||
| sewage temperture℃ | 30~80 | Flotation | second class filter | Oil content mg/l | ≤5 | ||
| Back wash forcel/s.m2 | 6~7 | ≤ 100mg/l | flotationmg/l | ≤3 | |||
| Back wash time min | 10~15 | Grain size μm | ≤3 |
- model specification and main technology dimension form
|
model
|
discharge
m3/h
|
Tank diameter
mm
|
Motor ratio
KW
|
Operation weigth
t
|
external dimension |
||
L |
W |
H |
|||||
DH-1000 |
20 |
1000 |
5.5 |
10 |
2300 |
1500 |
4200 |
DH -1200 |
28 |
1200 |
5.5 |
12.3 |
2500 |
1700 |
4300 |
DH -1400 |
38 |
1400 |
5.5 |
15.5 |
2750 |
1900 |
4350 |
DH -1600 |
50 |
1600 |
7.5 |
17.5 |
3100 |
2100 |
5100 |
DH -1800 |
63 |
1800 |
7.5 |
20.5 |
3350 |
2300 |
5150 |
DH -2000 |
80 |
2000 |
11 |
23 |
3500 |
2600 |
5300 |
DH -2200 |
95 |
2200 |
11 |
26 |
3900 |
2800 |
5500 |
DH -2400 |
120 |
2400 |
18 |
295 |
4200 |
3100 |
5700 |
DH -2600 |
132 |
2600 |
22 |
32.5 |
4500 |
3250 |
5800 |
DH -2800 |
150 |
2800 |
22 |
37 |
5100 |
3450 |
5900 |
DH -3000 |
176 |
3000 |
22 |
41 |
5400 |
3650 |
6150 |
DH -3200 |
200 |
3200 |
22 |
44 |
5700 |
3850 |
6300 |
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