CN205207178U - Bipolar high -pressure dry -type roots vacuum pump unit - Google Patents
Bipolar high -pressure dry -type roots vacuum pump unit Download PDFInfo
- Publication number
- CN205207178U CN205207178U CN201520878062.2U CN201520878062U CN205207178U CN 205207178 U CN205207178 U CN 205207178U CN 201520878062 U CN201520878062 U CN 201520878062U CN 205207178 U CN205207178 U CN 205207178U
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- vacuum pump
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- roots
- pump
- roots pump
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Abstract
The utility model discloses a bipolar high -pressure dry -type roots vacuum pump unit belongs to the vacuum pump unit, and its structure includes one -level roots vacuum pump, second grade roots vacuum pump, motor and intercooler, one -level roots vacuum pump and second grade roots vacuum pump link to each other through shaft coupling and motor respectively, one -level roots vacuum pump's gas outlet and second grade roots vacuum pump's air inlet link to each other with intercooler respectively, one -level roots vacuum pump's air inlet is held and has been set gradually check valve, vacuum valve device, air intake muffler and the flexbleJoint that admits air, is provided with the atmospheric valve on one -level roots vacuum pump's the gas outlet, is provided with exhaust muffler on second grade roots vacuum pump's the gas outlet. The utility model has the characteristics of need not let in sealed water in the vacuum pump, solve the transformation that equipment producer required to vacuum pump cooling water quality of water, the cost is reduced adopts the biax to stretch the motor and directly allies oneself with drive one -level roots vacuum pump and second grade roots vacuum pump, vacuum pump efficiency improvement etc.
Description
Technical field
The utility model relates to a kind of vacuum pump unit, especially a kind of bipolar high pressure dry Roots Vacuum Pump Units.
Background technique
At present, general twin-stage high pressure roots vacuum pump unit adopts the wet vacuum pump assembly injecting sealing water in vacuum pump casing in order to obtain higher degree of vacuum, cost is high, if do not reach requirement to the process of sealing water, the dirt in water will be made to be bonded on impeller, casing, destroy dynamic balance of impeller, vacuum pump is caused to damage, in addition vacuum delivery side of pump discharges a large amount of water by steam trap, causes the waste of water resources, brings unnecessary loss to enterprise.
Model utility content
Technical assignment of the present utility model provides a kind of bipolar high pressure dry Roots Vacuum Pump Units for above-mentioned deficiency of the prior art, this a kind of bipolar high pressure dry Roots Vacuum Pump Units has in vacuum pump not to be needed to pass into sealing water, solve the transformation of equipment manufacturer to the requirement of vacuum pump cooling water quality, reduce cost, Double shaft-extension motor direct connection is adopted to drive one-level Roots pump and secondary Roots pump, the feature that vacuum pump efficiency improves.
The utility model solves the technological scheme that its technical problem adopts: it comprises one-level Roots pump, secondary Roots pump, motor and interstage cooler, described one-level Roots pump is connected with motor respectively by coupling with secondary Roots pump, the air outlet of one-level Roots pump is connected with interstage cooler respectively with the suction port of secondary Roots pump, the suction port end of one-level Roots pump is disposed with one-way valve, vacuum valve device, intake silencer and air inlet FlexbleJoint, the air outlet of one-level Roots pump is provided with atmospheric valve, the air outlet of secondary Roots pump is provided with exhaust silencer.
The air outlet of described one-level Roots pump is connected by one-level bend pipe assembly with between interstage cooler, described atmospheric valve is arranged on one-level bend pipe assembly, is respectively arranged with one-level FlexbleJoint between the air outlet of one-level bend pipe assembly and one-level Roots pump and interstage cooler.
The suction port of described secondary Roots pump is connected by secondary bend pipe assembly with between interstage cooler, is respectively arranged with secondary FlexbleJoint between the suction port of secondary bend pipe assembly and secondary Roots pump and interstage cooler.
Described air inlet FlexbleJoint is stainless steel.
Described vacuum valve device comprises vacuum valve and pressure vacuum gauge.
Described coupling is provided with coupler protective casing.
Described one-level Roots pump and secondary Roots pump are respectively arranged with detection device, described detection device comprises the first thermal resistor and the second thermal resistor, the first described thermal resistor is separately positioned on the major and minor fuel tank of one-level Roots pump and secondary Roots pump, and the second described thermal resistor is separately positioned on the bearing position of one-level Roots pump and secondary Roots pump.
The bipolar high pressure dry Roots Vacuum Pump Units of one of the present utility model compared to the prior art, there is following outstanding beneficial effect: do not need in vacuum pump to pass into sealing water, solve the transformation of equipment manufacturer to the requirement of vacuum pump cooling water quality, reduce cost, Double shaft-extension motor direct connection is adopted to drive one-level Roots pump and secondary Roots pump, vacuum pump efficiency improves, one-level Roots pump and secondary Roots pump connect the features such as the vibration reducing vacuum pump and interstage cooler with adopting one-level FlexbleJoint and secondary FlexbleJoint between interstage cooler.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of plan structure schematic diagram of bipolar high pressure dry Roots Vacuum Pump Units;
Accompanying drawing 2 is one-level Roots pumps, secondary Roots pump is connected plan view with motor;
Description of reference numerals: 1, one-level Roots pump, 2, secondary Roots pump, 3, motor, 4, interstage cooler, 5, coupling, 51, coupler protective casing, 6, one-way valve, 7, vacuum valve device, 71, vacuum valve, 72, pressure vacuum gauge, 8, intake silencer, 9, air inlet FlexbleJoint, 10, atmospheric valve, 11, one-level bend pipe assembly, 12, one-level FlexbleJoint, 13, secondary bend pipe assembly, 14, secondary FlexbleJoint, the 151, first thermal resistor, the 152, second thermal resistor.
Embodiment
With reference to Figure of description 1 and accompanying drawing 2, the bipolar high pressure dry Roots Vacuum Pump Units of one of the present utility model is described in detail below.
The bipolar high pressure dry Roots Vacuum Pump Units of one of the present utility model, its structure comprises one-level Roots pump 1, secondary Roots pump 2, motor 3 and interstage cooler 4, described one-level Roots pump 1 is connected with motor 3 respectively by coupling 5 with secondary Roots pump 2, described motor 3 is Double shaft-extension motor, one-level Roots pump 1 and secondary Roots pump 2 is driven to rotate by coupling 5, adopt coupling 5 transmission, efficiency is high, skidding rotating speed need not be considered, the air outlet of one-level Roots pump 1 is connected with interstage cooler 4 respectively with the suction port of secondary Roots pump 2, the suction port end of one-level Roots pump 1 is disposed with one-way valve 6, vacuum valve device 7, intake silencer 8 and air inlet FlexbleJoint 9, the air outlet of one-level Roots pump 1 is provided with atmospheric valve 10, guarantee no-load running to start, the air outlet of secondary Roots pump 2 is provided with exhaust silencer.
The air outlet of described one-level Roots pump 1 is connected by one-level bend pipe assembly 11 with between interstage cooler 4, described atmospheric valve 10 is arranged on one-level bend pipe assembly 11, is respectively arranged with one-level FlexbleJoint 12 between the air outlet of one-level bend pipe assembly 11 and one-level Roots pump 1 and interstage cooler 4.Adopt the object of one-level FlexbleJoint 12 to be the vibrations solving the generation of one-level bend pipe assembly 11, by the resilient connection of one-level FlexbleJoint 12, reduce the vibration of interstage cooler 4.
The suction port of described secondary Roots pump 2 is connected by secondary bend pipe assembly 13 with between interstage cooler 4, is respectively arranged with secondary FlexbleJoint 14 between the suction port of secondary bend pipe assembly 13 and secondary Roots pump 2 and interstage cooler 4.Adopt the object of secondary FlexbleJoint 14 to be the vibrations solving the generation of secondary bend pipe assembly 13, by the resilient connection of secondary FlexbleJoint 14, reduce the vibration of secondary Roots pump 2.
Described air inlet FlexbleJoint 9 is stainless steel.
Described vacuum valve device 7 comprises vacuum valve 71 and pressure vacuum gauge 72.Pressure vacuum gauge 72 can show the degree of vacuum of vacuum pump in real time, can open the damage of protection vacuum pump by vacuum valve by arranging vacuum valve device 7 in the superpressure of vacuum pump short time is run.
Described coupling 5 is provided with coupler protective casing 51.
Described one-level Roots pump 1 and secondary Roots pump 2 are respectively arranged with detection device, described detection device comprises the first thermal resistor 151 and the second thermal resistor 152, the first described thermal resistor 151 is separately positioned on the major and minor fuel tank of one-level Roots pump 1 and secondary Roots pump 2, and the second described thermal resistor 152 is separately positioned on the bearing position of one-level Roots pump 1 and secondary Roots pump 2.By arranging the first thermal resistor 151 and the second thermal resistor 152, lubricant oil and the bearing running temperature of one-level Roots pump 1 and secondary Roots pump 2 can be detected, when temperature will be reported to the police higher than during specified value, prevent one-level Roots pump 1 and secondary Roots pump 2 from damaging.
Cited above mode of execution is only for understanding the utility model; it is not the restriction to the technological scheme described by the utility model; the those of ordinary skill of related fields; on the basis of technological scheme described in claim; can also make multiple change or distortion, all equivalent changes or distortion all should be encompassed within claims of the present utility model.The utility model does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (7)
1. a bipolar high pressure dry Roots Vacuum Pump Units, it is characterized in that: comprise one-level Roots pump, secondary Roots pump, motor and interstage cooler, described one-level Roots pump is connected with motor respectively by coupling with secondary Roots pump, the air outlet of one-level Roots pump is connected with interstage cooler respectively with the suction port of secondary Roots pump, the suction port end of one-level Roots pump is disposed with one-way valve, vacuum valve device, intake silencer and air inlet FlexbleJoint, the air outlet of one-level Roots pump is provided with atmospheric valve, the air outlet of secondary Roots pump is provided with exhaust silencer.
2. the bipolar high pressure dry Roots Vacuum Pump Units of one according to claim 1, it is characterized in that: the air outlet of described one-level Roots pump is connected by one-level bend pipe assembly with between interstage cooler, described atmospheric valve is arranged on one-level bend pipe assembly, is respectively arranged with one-level FlexbleJoint between the air outlet of one-level bend pipe assembly and one-level Roots pump and interstage cooler.
3. the bipolar high pressure dry Roots Vacuum Pump Units of one according to claim 1, it is characterized in that: the suction port of described secondary Roots pump is connected by secondary bend pipe assembly with between interstage cooler, is respectively arranged with secondary FlexbleJoint between the suction port of secondary bend pipe assembly and secondary Roots pump and interstage cooler.
4. the bipolar high pressure dry Roots Vacuum Pump Units of one according to claim 1, is characterized in that: described air inlet FlexbleJoint is stainless steel.
5. the bipolar high pressure dry Roots Vacuum Pump Units of one according to claim 1, is characterized in that: described vacuum valve device comprises vacuum valve and pressure vacuum gauge.
6. the bipolar high pressure dry Roots Vacuum Pump Units of one according to claim 1, is characterized in that: described coupling is provided with coupler protective casing.
7. the bipolar high pressure dry Roots Vacuum Pump Units of one according to claim 1, it is characterized in that: described one-level Roots pump and secondary Roots pump are respectively arranged with detection device, described detection device comprises the first thermal resistor and the second thermal resistor, the first described thermal resistor is separately positioned on the major and minor fuel tank of one-level Roots pump and secondary Roots pump, and the second described thermal resistor is separately positioned on the bearing position of one-level Roots pump and secondary Roots pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878062.2U CN205207178U (en) | 2015-11-05 | 2015-11-05 | Bipolar high -pressure dry -type roots vacuum pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878062.2U CN205207178U (en) | 2015-11-05 | 2015-11-05 | Bipolar high -pressure dry -type roots vacuum pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207178U true CN205207178U (en) | 2016-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520878062.2U Expired - Fee Related CN205207178U (en) | 2015-11-05 | 2015-11-05 | Bipolar high -pressure dry -type roots vacuum pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257540A (en) * | 2015-11-05 | 2016-01-20 | 山东三牛机械有限公司 | Double-pole high-pressure dry type roots vacuum pump unit |
-
2015
- 2015-11-05 CN CN201520878062.2U patent/CN205207178U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257540A (en) * | 2015-11-05 | 2016-01-20 | 山东三牛机械有限公司 | Double-pole high-pressure dry type roots vacuum pump unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20211105 |