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DRUM FILTER
| Is intended for primary
treatment of water in order to remove dredges with largeness
of 5mm from sewages, as well as long fibers, sand, fatlike
fractions whose dispersion is less than the size of filter's
holes.
A drum filter is a saving version
of mechanical treatment of sewages from the point of view
of energy expense.
The construction of a drum
filter is hermetic. It makes the arrangement of device easier
and ensures the absence of scents, prevents spraying.
Servicing of a drum filter
is fully corresponds to all the sanitary norms and regulations.
The surface of the filter is cleaned hydro-dynamically or
mechanically with the help of rotating brush. |
Control facilities and protection devices
- A drum filter is equipped with automated control system.
- Ablution system has got a timing control
- If necessary a driving reducer is equipped with a switch of
easy (smooth) starting up.
| Model DFA * |
Drum diameter (mm) |
Drum length (mm) |
productivity cu/m/h |
Engine (kwt) |
Mass
(kg) |
| 400/1300/3 |
400 |
1300 |
10 |
0.5 |
180 |
| 400/1700/3 |
400 |
1700 |
20 |
0.5 |
200 |
| 500/1300/3 |
500 |
1300 |
30 |
0.5 |
220 |
| 600/1500/3 |
600 |
1500 |
40 |
1.1 |
280 |
| 600/2000/3 |
600 |
2000 |
80 |
1.1 |
320 |
| 600/2500/3 |
600 |
2500 |
160 |
1.1 |
360 |
| 800/2500/3 |
800 |
2500 |
650 |
1.5 |
450 |
| 800/3000/3 |
800 |
3000 |
900 |
1.5 |
500 |
| 1000/3000/3 |
1000 |
3000 |
1200 |
4 |
800 |
(*) -diameter of a drum/length/size of a hole,(mm)
Terms of arrangement of a drum filter:
- Length of drum filter +1m.
- Diameter of a drum filter+1m.
Drum filteres are made of stainless acid-resistence
steel (AISI304, AISI316).
In technological schemes of sewage treatment a drum
filter substitutes sand catchers and primary settling tanks, what
allows considerably reducing capital investments in construction
and modernization of STC.
Operational costs when using drum filters appear
to be much less than energy expenses of removal systems and washing
out of sand from sand catchers and removal of sediment from primary
tanks.
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