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OPERATING INSTRUCTIONS
VORTEX ROOTS VACUUM PUMPS
INDEX
1. Important basic information ..........................................................................................................4
1.1 Statement .................................................................................................................................4
1.2 Warranty ..................................................................................................................................4
2. Survey.............................................................................................................................................5
2.1 Introduction .............................................................................................................................5
2.2 Features....................................................................................................................................5
2.3 Usage and model explanation: .................................................................................................6
3. Performance specification ..............................................................................................................7
3. 1250-2160 m3/hr pump Technical data ......................................................................................7
3.2 Vortex series pump performance curve ...................................................................................7
3.3 5000-9000 m3/hr pump Technical data ....................................................................................8
3.4 Vortex B Series pump performance curve ................................................................................8
4. Operating principle.........................................................................................................................9
5. Installation ...................................................................................................................................10
6. Operating instructions ..................................................................................................................11
6.1 Preparations before starting ..................................................................................................11
6.2 Starting ...................................................................................................................................11
6.3. Stopping ................................................................................................................................11
7. Maintenance & accessories ..........................................................................................................12
7.1 Safety information ..................................................................................................................12
7.2 Oil change/gear box ...............................................................................................................12
7.3 Oil Change/Shaft Seal Housing ...............................................................................................13
7.4 Cleaning the Fan and the Cooling Fins ....................................................................................13
7.5 Cleaning the Pumping Chamber .............................................................................................13
7.6 Disassembling and assembling procedure ..............................................................................13
7.6.1 Disassembling procedure: ...................................................................................................13
7.6.2 Assembling procedure: ........................................................................................................14
7.7 Accessories .............................................................................................................................14
7.8 Troubleshooting .....................................................................................................................15
8. Pump structure ............................................................................................................................17
8.1 Vortex 5000 pump structure ..................................................................................................17
8.2 Vortex B series pump structure ..............................................................................................19
9. Installation drawing ......................................................................................................................21
9.1 Vortex series installation size (Unit: mm) ...............................................................................21
9.2 Vortex B series installation size (Unit: mm) ............................................................................22
9.3 Vortex B series Exploded View ...............................................................................................23
10. Contact .......................................................................................................................................24
1. Important basic information
1.1 Statement
These operating instructions form part of the technical documentation of the system, and are
addressed to the person in charge of the plant, who is obliged to provide them to the staff
responsible for the system set-up, connection, operation and maintenance.
He must ensure that all information included in the operating instructions and the enclosed
documents have been read and understood.
These operating instructions are the exclusive copyright of
Blueline Vacuum Technologies, Inc.
Phone +52 7222167069
Phone +52 7227059601
Metepec, Mexico, 52175
Any company or personal cannot duplicate, transfer it to third party, or make illegal business use.
Any operation on the pump should be in accordance with the instruction.
1.2 Warranty
The manufacture does not accept liability for damage to persons, animals, objects or incomplete
observance of the safety precautions included in these operating instructions or by modifications
to the system or use of improper spare parts.
Warning: Do not move and modify any safety and insulating device, which may cause great
danger.
Warning: The pump can only pump gas. However, it cannot pump any gas that is poisonous,
inflammable, explosive and corrosive, either gas that reacts with vacuum gas. The pump cannot
used to transit gas. It could be used to pump gas with few particles, however, it cannot pump
Chemicals, condensates, powders and other granules which will damage equipment, reduce
performance and shorten service life.
Warning: Do not put the pump in rain, steam and humid air which may cause an electric shock, a
short circuit and the damage of the whole system. Warning: Whenever changing the wire, please
use qualified wire.
Warning: Use suitable fuses to prevent short circuit.
Warning: Do not put hands or other stuff into the pump when it operates. The behavior will cause
bodily injury and damage of pump parts.
Attention: Make sure the pipe of the cooling water is not blocked, otherwise the temperature of
pump will be too high.
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Diagram 1
Attention: The pump needs regular maintenance; otherwise there will be damage, or even
reduction of its life. Cut down circuit before check and repair, and only operate when power is off.
Attention: The temperature of operation environment should be 5°C- 40°C to prevent the pump
from damaging and shortening the life of use.
Attention: The pump should be put at safe places with proper ventilation, solid and flat base, and
clean floor, without corrosive gas. Otherwise, the pump will be damaged and the life of use will be
shortened.
Attention: In cold area, the coolant jacket must be drained after car stopped. Otherwise the
coolant may freeze and thus damage the pump shell.
2. Survey
2.1 Introduction
Roots pump have Vortex series and Vortex B series. As the input pressure is between 6.5-65 Pa,
the pumping speed is no less than 250m3/h, 500m3/h, 1000m3/h, 2000m3/h, 5000m3/h,
6000m3/h and 9000m3/h. It is a kind of roots vacuum pump in which a couple of lobed rotors turn
like 8- shape in high speed synchronously. Two rotors rotate
and produce aspiration and exhaust which principle is just like a
roots blower. As it works in a lower pressure, the free flow
distance of gas molecule is longer and the resistance of gas
passing a small gap is much large. Thus, a bigger compression
ratio can be gained so that it can also be used as a blower
pump. But it cannot discharge the gas to atmosphere directly
and requires to be used with a vacuum pump in series
connection.
Then the sucked gas is discharged to atmosphere through the
vacuum pump (as Diagram 1).
2.2 Features
(1) There are definite gaps between rotor and pump’s cavity, rotor and rotor which are not in
contact. As a result:
a. No friction, lower power consumption that is compared with an oil sealed mechanical vacuum
pump of the same pumping speed.
b. No Oil-sealing and lubrication so as to avoid being polluted to the vacuum pump by oil steam.
c. It is ok for pumping the gas with a little dust.
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(2) As the rotor has a good geometric Symmetry, its rotational speed is higher than a common oilsealing mechanical vacuum pump and at the same pumping speed it has features of smaller
volume and lighter weight.
(3) When the pump is in operation, there is less vibration and its volume operating ratio is
about kv≈ 0.5.
(4) There is no compression in the pump similar than that produced in a mechanical vacuum
pump. So no discharge valve is required but agglutinative steam can be removed.
(5) The pump can be started quickly and a limit vacuum can be reached in a short time.
Except the above features, Vortex B series Roots Pump has it’s own relief valve which functions
to control roots pump's differential pressure between air-inlet and air-outlet. When the
differential pressure is over standard one the relief valve opens automatically. Because the
pump's inlet-outlet is interlinked, some of gas returns to the inlet. At this time, the pump operates
in a constant differential pressure. When the differential pressure is lower than that of a relief
valve, the valve close automatically (shown as Diagram2)
2.3 Usage and model explanation:
Usage: vacuum degassing, vacuum smelting, vacuum heat treating etc, in metallurgical industry
and can also be used in chemical industry. Foodstuff, medicine, Electrical manufacture etc.
Especially when a water-ring vacuum pump is used for its pump, it can extract the gas with large
steam. So it is much suitable for productive procedures of distillation, evaporation, freezing and
drying etc.
Model explanation: Vortex/Vortex B-5000
Vortex--roots vacuum pump; Vortex B with relief valve 5000--pumping speed 5000m3/h
Diagram 2
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3. Performance specification
3. 1250-2160 m3/hr pump Technical data
3.2 Vortex series pump performance curve
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3.3 5000-9000 m3/hr pump Technical data
3.4 Vortex B Series pump performance curve
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