CN209510703U - A kind of air two-stage compression device - Google Patents
A kind of air two-stage compression device Download PDFInfo
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- CN209510703U CN209510703U CN201920045728.4U CN201920045728U CN209510703U CN 209510703 U CN209510703 U CN 209510703U CN 201920045728 U CN201920045728 U CN 201920045728U CN 209510703 U CN209510703 U CN 209510703U
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Abstract
The utility model provides a kind of air two-stage compression device, including sequentially connected first vacuum pump collector, the first vacuum pump, the first reducer pipe, gasotron, the second vacuum pump collector, the second vacuum pump and the second reducer pipe, wherein, first vacuum pump and the second vacuum pump are respectively turbine vacuum pump, first vacuum pump collector is mounted on the first vacuum pump entrance, and the second vacuum pump collector is mounted on the second vacuum pump entrance.In a kind of air two-stage compression device described in the utility model, first vacuum pump and the second vacuum pump are respectively turbine vacuum pump, second level Vacuuming structure is realized by the first vacuum pump and the second vacuum pump, improve system vacuum operation effectiveness, to which inlet is formed very high vacuum degree to meet the needs of high vacuum, suitable for Large Paper Machine vacuum system, and, first vacuum pump and the second vacuum pump are respectively independently equipped with motor driven, and motor is magnetic suspension shaft bearing permanent magnet synchronous electric motor, which improves the functions such as anti-surge, the antioverloading of the entire vacuum plant.
Description
Technical field
The utility model belongs to vacuum pumping technology field, more particularly, to a kind of air two-stage compression device.
Background technique
Traditional paper production water circulation vavuum pump (water ring vacuum pump is positive displacement pump, is not belonging to turbine vacuum pump), which follows
Ring vacuum pump noise is big, low efficiency, energy consumption are high, can not adjust, and practical effect is poor, at present gradually by turbine vacuum pump generation
It replaces.And turbine vacuum pump single step arrangement vacuum degree is no more than 60KPA, high vacuum needs two stages of compression, traditional turbine vacuum pump
Two stages of compression be that motor drives two impellers to carry out two stages of compression, adjustable range and operational efficiency are low, anti-surge and anti-
Overload capacity is low, therefore, how to improve the suction of vacuum system and improves its efficiency as the another research and development of industry personnel
Project.
Summary of the invention
In view of this, the utility model is directed to a kind of air two-stage compression device, to realize the efficient of vacuum system
Work.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of air two-stage compression device, including sequentially connected first vacuum pump collector, the first vacuum pump, the first change
Diameter pipe, gasotron, the second vacuum pump collector, the second vacuum pump and the second reducer pipe, wherein the first vacuum pump and second
Vacuum pump is respectively turbine vacuum pump, and the first vacuum pump is driven by first motor, and the second vacuum pump is by the second motor driven, and first
Vacuum pump collector is mounted on the first vacuum pump entrance, and the second vacuum pump collector is mounted on the second vacuum pump entrance, the
One reducer pipe small-caliber end and the first vacuum pump outlet are correspondingly arranged, the second reducer pipe small-caliber end and the second vacuum pump outlet pair
It should be arranged.
Further, the first rubber expansion joint is equipped between first reducer pipe and the first volute outlet.
Further, the second rubber expansion joint is equipped between the gasotron and the second vacuum pump collector.
Further, the first motor and the second motor are respectively magnetic suspension shaft bearing permanent magnet synchronous electric motor.
Further, the first motor and the second motor are respectively variable-frequency motor.
Further, the first vacuum pump inner impeller, the second vacuum pump inner impeller are respectively three-dimensional flow impeller.
Further, vacuum sensor and temperature sensor are equipped at first vacuum pump outlet.
Further, pressure difference transducer and temperature sensor are equipped at the second reducer pipe large diameter end.
Compared with the existing technology, a kind of air two-stage compression device described in the utility model has the advantage that
In a kind of air two-stage compression device described in the utility model, the first vacuum pump and the second vacuum pump are respectively saturating
Flat vacuum pump realizes second level Vacuuming structure by the first vacuum pump and the second vacuum pump, improves system vacuum operation effectiveness, from
And inlet is formed into very high vacuum degree to meet the needs of high vacuum, it is suitable for Large Paper Machine vacuum system, also, first
Vacuum pump and the second vacuum pump are respectively independently equipped with motor driven, and motor is magnetic suspension shaft bearing permanent magnet synchronous electric motor, the structure
Improve the functions such as anti-surge, runing adjustment range, operational efficiency, the antioverloading of the entire vacuum plant.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is a kind of air two-stage compression apparatus structure schematic diagram described in the utility model embodiment；
Fig. 2 is a kind of air two-stage compression device installation main view described in the utility model embodiment；
Fig. 3 is a kind of air two-stage compression device installation top view described in the utility model embodiment.
Description of symbols:
1- the first vacuum pump collector；The first vacuum pump of 2-；3- first motor；The first rubber expansion joint of 4-；5- gas is whole
Flow device；The second rubber expansion joint of 6-；7- the second vacuum pump collector；The second vacuum pump of 8-；The second motor of 9-；The second variable diameter of 10-
Pipe；The first reducer pipe of 11-；12- integral type sledge fills pedestal；13- power control cabinet；14- electromotor cooling system.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1-3, a kind of air two-stage compression device, is mounted on integral type sledge dress pedestal 12, including sequentially
The first vacuum pump collector 1, the first vacuum pump 2, the first reducer pipe 11, gasotron 5, the second vacuum pump collector of connection
7, the second vacuum pump 8 and the second reducer pipe 10, wherein the first vacuum pump 2 and the second vacuum pump 8 respectively turbine vacuum pump, and
First vacuum pump, 2 inner impeller, 8 inner impeller of the second vacuum pump are respectively three-dimensional flow impeller, and the first vacuum pump 2 is by first motor 3
Driving, the second vacuum pump 8 are driven by the second motor 9, it is preferred that the first motor 3 and the second motor 9 respectively magnetic suspension shaft
Bearing permanent magnet synchronous electric motor, and first motor 3 and the second motor 9 are respectively variable-frequency motor, are provided on integral type sledge dress pedestal 12
Power control cabinet is provided with two frequency converters inside power control cabinet and respectively corresponds first motor 3 and the second motor 9, and when starting is existing by two
The revolving speed of motor rises to the middle position of highest frequency simultaneously, and then power control cabinet sets demand vacuum degree, equipment practical vacuum
When degree is not up to setting value, motor speed rises, when vacuum degree is lower than setting value, motor speed decline.Rotational speed regulation is preferentially adjusted
First motor 3 is saved, when first motor 3 is unable to satisfy demand, adjusts the second motor 9, two motor speed cooperations are reconciled, and satisfaction is set
Standby vacuum requirement；In the present embodiment, the first vacuum pump 2 and the respective matched motor of the second vacuum pump 8 are directly installed on the pump housing
On, three-dimensional flow impeller in the first vacuum pump 3, the direct-connected elongated end that motor shaft is corresponded at it of three-dimensional flow impeller in the second vacuum pump 9
On, so that whole operational efficiency is greatly promoted, and that whether there is or not magnetic suspension bearings is contactless, so coming to overall structure
It says, is a non-maintaining system, can greatly be saved either in human resources and power consumption, which improves
The functions such as anti-surge, the antioverloading of the entire vacuum plant；Preferably, integral type sledge dress pedestal 12 is additionally provided with to first motor 3
And second motor 9 carry out cooling cooling system；First vacuum pump collector 1 is mounted on 2 entrance of the first vacuum pump, and second
Vacuum pump collector 7 is mounted on 8 entrance of the second vacuum pump, 11 small-caliber end of the first reducer pipe and the outlet pair of the first vacuum pump 2
It should be arranged, 10 small-caliber end of the second reducer pipe and the outlet of the second vacuum pump 8 are correspondingly arranged.In the present embodiment, first variable diameter
The first rubber expansion joint 4 is equipped between pipe 11 and the first volute outlet；Between the gasotron 5 and the second vacuum pump collector 7
Equipped with the second rubber expansion joint 6, which is compensation because temperature difference and mechanical oscillation are additional stress caused by pipeline, is protected
Demonstrate,prove system stability.
In the present embodiment, for 8 function and effect of real-time detection the first vacuum pump 2 and the second vacuum pump, first vacuum
2 exits are pumped equipped with vacuum sensor and temperature sensor；Pressure difference is equipped at second reducer pipe, 10 large diameter end to pass
Sensor and temperature sensor.Vacuum sensor, the temperature sensor and second being arranged by 2 exit of the first vacuum pump
The pressure difference transducer and temperature sensor being arranged at 10 large diameter end of reducer pipe, the first vacuum pump of detection 2 and second is true in due course
Empty pumping action effect adjusts 9 revolving speed of first motor 3 and the second motor according to detection numerical value in due course, realizes that the present apparatus vacuumizes work
Industry production.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of air two-stage compression device, it is characterised in that: including sequentially connected first vacuum pump collector (1), first
Vacuum pump (2), the first reducer pipe (11), gasotron (5), the second vacuum pump collector (7), the second vacuum pump (8) and
Two reducer pipes (10), wherein the first vacuum pump (2) and the second vacuum pump (8) are respectively turbine vacuum pump, the first vacuum pump (2)
It is driven by first motor (3), the second vacuum pump (8) is driven by the second motor (9), and the first vacuum pump collector (1) is mounted on the
One vacuum pump (2) entrance, the second vacuum pump collector (7) are mounted on the second vacuum pump (8) entrance, the first reducer pipe (11)
Small-caliber end and the first vacuum pump (2) outlet are correspondingly arranged, the second reducer pipe (10) small-caliber end and the second vacuum pump (8) outlet
It is correspondingly arranged.
2. a kind of air two-stage compression device according to claim 1, it is characterised in that: first reducer pipe (11) and
The first rubber expansion joint (4) are equipped between first volute outlet.
3. a kind of air two-stage compression device according to claim 1, it is characterised in that: the gasotron (5) and
The second rubber expansion joint (6) are equipped between second vacuum pump collector (7).
4. a kind of air two-stage compression device according to claim 1, it is characterised in that: the first motor (3) and
Two motors (9) are respectively magnetic suspension shaft bearing permanent magnet synchronous electric motor.
5. a kind of air two-stage compression device according to claim 1 or 4, it is characterised in that: the first motor (3) and
Second motor (9) is respectively variable-frequency motor.
6. a kind of air two-stage compression device according to claim 1, it is characterised in that: in first vacuum pump (2)
Impeller, the second vacuum pump (8) inner impeller are respectively three-dimensional flow impeller.
7. a kind of air two-stage compression device according to claim 1, it is characterised in that: first vacuum pump (2) goes out
Vacuum sensor and temperature sensor are equipped at mouthful.
8. a kind of air two-stage compression device according to claim 1, it is characterised in that: second reducer pipe (10) is big
Pressure difference transducer and temperature sensor are equipped at bore end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920045728.4U CN209510703U (en) | 2019-01-11 | 2019-01-11 | A kind of air two-stage compression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920045728.4U CN209510703U (en) | 2019-01-11 | 2019-01-11 | A kind of air two-stage compression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209510703U true CN209510703U (en) | 2019-10-18 |
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ID=68200374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920045728.4U Active CN209510703U (en) | 2019-01-11 | 2019-01-11 | A kind of air two-stage compression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209510703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682339A (en) * | 2021-03-15 | 2021-04-20 | 亿昇(天津)科技有限公司 | Double-suction vacuum pump system |
-
2019
- 2019-01-11 CN CN201920045728.4U patent/CN209510703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682339A (en) * | 2021-03-15 | 2021-04-20 | 亿昇(天津)科技有限公司 | Double-suction vacuum pump system |
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