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| >> Pollution
Control Equipments >> Sludge Thickener >> Centrally Driven
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Sludge Thickener
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| 1. |
Proprietary
drive unit comprising of worm & worm wheel gear unit connected
to standard gear box by means of sprocket and chain arrangement.
The gear box in turn is connected directly to motor mounted on
a MS fabricated base frame. |
| 2. |
Superstructure
comprising of steel structural bridge spanning the entire diameter
of the tank. The drive unit is fixed at the centre of the bridge
and the bridge is designed to take the static and dynamic load
of the drive unit. Necessary chequered plate and hand rails are
provided on the bridge so that it can be used as walkway to have
access to the drive unit at the centre. |
| 3. |
Tubular
centre shaft is connected to the adaptor shaft of the drive unit. |
| 4. |
Two
structural steel rake arms are connected to the centre shaft. The
rake arms are provided with blades and adjustable brass/neoprene
squeezes to rake the tank bottom twice per revolution. The rake
arms are also provided with specially designed vertical pickets
for efficient compaction of sludge. |
| 5. |
The
bottom of the shaft rests on guide bearing fixed to tank cone.
Suitable cone scrapers are included in our supply. |
| 6. |
Feed
well of suitable diameter is fixed to the bridge is also provided
to introduce the feed into the clarifier. |
| 7. |
Necessary
weir plates along with fixing bolts to be fixed to the outlet launder
can also be provided on request. |
| 8. |
Anchor bolts for fixing the bridge on to the periphery of tank. |
| 9. |
Painting
- parts are suitably cleaned and steel under water parts are cleaned
with wire brush and provided with one coat of red oxide primer.
Epoxy painting is provided on special request if required. |
| 10. |
Access
ladders/staircase to the bridge can also be provided on revert. |
| 11. |
Floating
scum scrapper with scum box & high
torque switch can also be provided on special request. |
Exclusions :-
All
civil works, electrical works, erection & commissioning of the
mechanism & any other item not specifically mentioned in our proposal.
