Donaldson Torit TBV-2 Specifications Page 6
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6
Unit Operation (Model TBV-4 shown)
Operation
During normal operation, contaminated or dust-
laden air enters the TBV through the cabinet opening
at the bottom of the unit, which is fastened to the
silo or storage container. The dust-laden incoming
air is collected on the outside surface of the filter
elements. As the dust cake collects on the outside
filter surface, gravity and air pulse-jet cleaning force
the dust to drop back into the storage bin. The
clean, filtered air flows up through the center of the
filter elements and passes through the venturi into
the clean air plenum, where it finally exits through
the clean air outlet. The clean air outlet can be
configured with a blower fan or a weather hood
side-mounted to the rear of the unit. Another option,
depending on the customer product being stored, is
to recirculate the clean air back into the work area
via duct work.
Filter Cleaning
The filter elements are cleaned automatically and
continuously during operation. Only a few filters
are off-line for pulse-jet cleaning at any given time.
A solid state timer controls the cycle of pulse-jet
cleaning. Solenoid-operated diaphragm valves open
in sequence, introducing jets of high pressure air into
venturis located above the filter element cartridges.
The resulting reverse airflow initiates the cleaning
cycle, which dislodges the dust accumulated on the
outside of the filter media, while the remaining filter
elements in the unit continue the filtration process.
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clean air plenum
dust falls back into silo / storage bin
venturi
blow pipe
high pressure air
for pulse cleaning
diaphragm
air valve
air manifold
assembly
solenoid valve
enclosure
filter element
dust / particulate
laden air
(dust) dirty air inlet
clean air
outlet / vent
- Installation 1
- Data Sheet 3
- Contents 3
- Description 4
- Purpose and Intended Use 5
- Operation 6
- Inspection on Arrival 7
- Rigging Instructions 8
- Electrical Wiring 8
- Standard Equipment 9
- TBV Filter Installation 11
- Compressed Air Installation 14
- Magnehelic 16
- Magnehelic Gauge Installation 17
- Preliminary Start-Up Check 18
- Start-Up 18
- Service Information 18
- Filter Element Installation 20
- Optional Equipment 21
- Delta P Control 23
- Delta P Plus Control 24
- Power Pack Assembly 25
- Motor to Fan 26
- Detail A 26
- Weather Hood 27
- Exhaust Damper 27
- Plenum Silencer 28
- Troubleshooting 29
- Parts and Service 32
- 800-365-1331 USA 32
- 800-343-3639 within Mexico 32
- The Donaldson Torit Warranty 32
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