CN207246048U - A kind of multistage centrifugal air compressor - Google Patents
A kind of multistage centrifugal air compressor Download PDFInfo
- Publication number
- CN207246048U CN207246048U CN201721045676.8U CN201721045676U CN207246048U CN 207246048 U CN207246048 U CN 207246048U CN 201721045676 U CN201721045676 U CN 201721045676U CN 207246048 U CN207246048 U CN 207246048U
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- China
- Prior art keywords
- diffuser
- gear
- main shaft
- compressor reducer
- air
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Abstract
It the utility model is related to a kind of multistage centrifugal air compressor, it includes motor, main shaft, gear, two driven shafts, the first diffuser, the second diffuser, the 3rd diffuser and water conservancy diversion leaf, the main shaft is fixedly connected with motor, and gear is fixed on main shaft, and gear is coaxial with main shaft；Speed increasing gear is equipped with two driven shafts, speed increasing gear coordinates with gear；Impeller is equipped with inside first diffuser, the second compressor reducer and the 3rd compressor reducer, impeller is fixedly connected with driven shaft, the water conservancy diversion leaf is located at the air inlet of the first diffuser, the air outlet of first compressor reducer is connected by gas pipeline with the air inlet of the second compressor reducer, and the air outlet of the second compressor reducer is connected by gas pipeline with the air inlet of the 3rd compressor reducer.The multistage centrifugal air compressor drives multiple diffusers by a motor, and air sequentially enters multiple diffusers and compressed step by step, in the case where not increasing power consumption, makes the best results of air compression.
Description
Technical field
A kind of compressor is the utility model is related to, more particularly to a kind of multistage centrifugal air compressor.
Background technology
Compressor, is a kind of driven fluid machinery that low-pressure gas is promoted to gases at high pressure, is the heart of refrigeration system
It is dirty.It is operated after being compressed with piston to it, to row from the refrigerant gas of air intake duct suction low-temp low-pressure by motor
Tracheae discharges the refrigerant gas of high temperature and pressure, and power is provided for kind of refrigeration cycle.
Current centrifugal compressor, as Chinese patent that application publication number is CN102414452 A disclose it is a kind of from
Core type compressor, it includes impeller, diffuser and shield, one of them in diffuser and shield includes multiple grooves, and expands
Another of scattered device and shield include multiple radial fins, wherein, shield covering impeller and diffuser so that each radial fins
Protrude into corresponding groove.Using frequency alternating current generator or frequency-conversion alternating current motor is determined, rotating speed is brought up to by speed increasing gear and is set
Metering rotating speed impeller rotates, and high-speed rotating impeller does work Incoming gas, so as to improve gas pressure.In order to make compressor
The change of adaptation Smaller load, can set vane throttling device in face before the impeller, open greatly and turn down change entrance by blade
Flow area, achievees the purpose that to adjust flow.
In conclusion centrifugal compressor of the prior art only carries out first compression to gas, to repeatedly be pressed
Contracting then needs the operation at the same time of several compressors, will so increase power consumption cost.
Utility model content
The purpose of this utility model is that the shortcomings that can only carrying out first compression for above-mentioned centrifugal compressor, be related to one
Kind multistage centrifugal air compressor.
For the attainment of one's purpose, technical solution provided by the utility model is：
A kind of multistage centrifugal air compressor that the utility model is related to, it is characterised in that：It includes motor, main shaft, tooth
Wheel, two driven shafts, the first diffuser, the second diffuser, the 3rd diffuser and water conservancy diversion leaf, the main shaft is fixed with motor to be connected
Connect, gear is fixed on main shaft, and gear is coaxial with main shaft；Speed increasing gear, speed increasing gear are equipped with two driven shafts
Coordinate with gear；Be equipped with impeller inside first diffuser, the second compressor reducer and the 3rd compressor reducer, impeller with it is driven
Axis is fixedly connected, and the water conservancy diversion leaf is located at the air inlet of the first diffuser, and the air outlet of the first compressor reducer passes through gas pipeline
Connected with the air inlet of the second compressor reducer, the air outlet of the second compressor reducer is connected by the air inlet of gas pipeline and the 3rd compressor reducer
It is logical.
Preferably, the impeller includes the boss plate and blade group of arch, and the blade group is fixedly connected on boss plate
Outer surface on.
Preferably, the multistage centrifugal air compressor further includes spiral case, and spiral case is equipped with three through holes, described
Main shaft and two driven shafts are each passed through three through holes, first diffuser, the second diffuser and the 3rd diffuser point
Not An Zhuan spiral case both sides.
Preferably, bearing is equipped with around the main shaft and two driven shafts, bearing is installed on spiral case.
Using technical solution provided by the utility model, compared with prior art, have the advantages that：
The multistage centrifugal air compressor that the utility model is related to drives the impeller of multiple diffusers by a motor, leads to
Cross gas pipeline to connect multiple diffusers to form a compressibility step by step, after gas enters compressibility, by multiple
Compression, in the case where not improving power consumption, makes compression effectiveness reach optimal.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model multistage centrifugal air compressor；
Fig. 2 is the structure chart of the first diffuser, the second diffuser and the 3rd diffuser in the utility model；
Fig. 3 is the structure diagram of the utility model impeller.
Illustrate：1 motor, 2 main shafts, 3 gears, 4 speed increasing gears, 5 driven shafts, 6 bearings, 7 spiral cases, 8 first diffusers,
9 second diffusers, 10 the 3rd diffusers, 11 water conservancy diversion leaves, 12 air inlets, 13 impellers, 14 air passageways, 15 air outlets, 16 wheel hubs
Plate, 17 blade groups.
Embodiment
To further appreciate that the content of the utility model, the utility model is described in detail in conjunction with the embodiments, it is real below
Apply example to be used to illustrate the utility model, but be not intended to limit the scope of the present invention.
With reference to shown in attached drawing 1, a kind of multistage centrifugal air compressor that the utility model is related to it include motor 1, main shaft
2nd, 3, two driven shafts 5 of gear, the first diffuser 8, the second diffuser 9, the 3rd diffuser 10, spiral case 7 and water conservancy diversion leaf 11, it is described
Spiral case 7 inside leave cavity for installing gear 3, the side wall of spiral case 7 is equipped with three highly identical through holes, is used for
Main shaft 2 or driven shaft 5 pass through.The motor 1 is installed on the center of spiral case 7, main shaft 2 through middle through hole, and with electricity
Machine 1 is fixedly connected, and gear 3 is installed in the cavity inside spiral case 7, and is fixed on main shaft 2, and gear 3 and main shaft 2 are coaxial, by
This motor 1 drives main shaft 2 to rotate, and main shaft 2 is rotated with moving gear 3 again.Two driven shafts 5 are each passed through other two and pass through
To perforate, speed increasing gear 4 is equipped with two driven shafts 5, speed increasing gear 4 coordinates with gear 3, when gear 3 rotates, speed increasing gear 4
Rub with gear 3, and then speed increasing gear 4 rotates, drive driven shaft 5 to rotate, stabilization when being rotated for increase main shaft and driven shaft
Property, bearing 6 is equipped with the outside of main shaft and driven shaft, the bearing 6 is installed at the through hole of spiral case 7.Described first
Diffuser 8, the second compressor reducer 9 and the 3rd compressor reducer 10 are respectively provided at the both sides of spiral case 7, with reference to shown in attached drawing 2, the first diffuser
8th, impeller 13 is equipped with inside the second compressor reducer 9 and the 3rd compressor reducer 10, impeller 13 is fixedly connected with driven shaft 5, driven shaft 5
Impeller 13 is rotated during rotation, as shown in Figure 3, it includes the boss plate 16 of arch and blade group to the structure of impeller 13
17, the blade group 17 is fixedly connected on the outer surface of boss plate 16.Water conservancy diversion leaf 11 is located at the air inlet of the first diffuser 8
12, the air outlet 15 of the first compressor reducer is connected by gas pipeline with the air inlet 12 of the second compressor reducer, and the second compressor reducer goes out
Air port 15 is connected by gas pipeline with the air inlet 12 of the 3rd compressor reducer.
Motor 1 is opened during use, motor 1 drives the driven shaft 5 of both sides to rotate by main shaft 2, and then drives all diffusions
Impeller 13 inside device rotates, and at this time, the air of normal pressure enters the first diffuser 8 under the action of water conservancy diversion leaf 11, and air is turning
Under the centrifugal action of the blade group 17 of dynamic impeller 13, into the air passageway 14 of surrounding, and finally is left from air outlet 15
One diffuser 8, completes the first second compression.Compressed air is directly entered the second diffuser 9 for the first time, in the second diffuser 9
The second second compression of interior progress, and so on complete all three second compressions, and then make the best results of compression.
The utility model is described in detail above in association with embodiment, but the content be only the utility model compared with
Good embodiment, it is impossible to be construed as limiting the scope of the utility model.It is made according to the scope of application of this utility model
All the changes and improvements etc., should all still fall within the patent covering scope of the utility model.
Claims (4)
- A kind of 1. multistage centrifugal air compressor, it is characterised in that：It includes motor, main shaft, gear, two driven shafts, first Diffuser, the second diffuser, the 3rd diffuser and water conservancy diversion leaf, the main shaft are fixedly connected with motor, and gear is fixed on main shaft On, gear is coaxial with main shaft；Speed increasing gear is equipped with two driven shafts, speed increasing gear coordinates with gear；Described Impeller is equipped with inside first diffuser, the second compressor reducer and the 3rd compressor reducer, impeller is fixedly connected with driven shaft, described Water conservancy diversion leaf is located at the air inlet of the first diffuser, and the air outlet of the first compressor reducer passes through gas pipeline and the inlet air of the second compressor reducer Mouth connection, the air outlet of the second compressor reducer are connected by gas pipeline with the air inlet of the 3rd compressor reducer.
- 2. multistage centrifugal air compressor according to claim 1, it is characterised in that：The impeller includes the wheel of arch Hub plate and blade group, the blade group are fixedly connected on the outer surface of boss plate.
- 3. multistage centrifugal air compressor according to claim 1, it is characterised in that：It further includes spiral case, is set on spiral case There are three through holes, the main shaft and two driven shafts are each passed through three through holes, and first diffuser, second are expanded Depressor and the 3rd diffuser are separately mounted to the both sides of spiral case.
- 4. multistage centrifugal air compressor according to claim 1, it is characterised in that：The main shaft and two driven shafts Around be equipped with bearing, bearing is installed on spiral case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045676.8U CN207246048U (en) | 2017-08-21 | 2017-08-21 | A kind of multistage centrifugal air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045676.8U CN207246048U (en) | 2017-08-21 | 2017-08-21 | A kind of multistage centrifugal air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246048U true CN207246048U (en) | 2018-04-17 |
Family
ID=61881134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721045676.8U Expired - Fee Related CN207246048U (en) | 2017-08-21 | 2017-08-21 | A kind of multistage centrifugal air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207246048U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268295A (en) * | 2018-11-20 | 2019-01-25 | 势加透博（北京）科技有限公司 | A kind of two-stage air compression system with diameter axial direction diffuser |
| CN113503263A (en) * | 2021-09-07 | 2021-10-15 | 江苏涞森环保设备有限公司 | Oxygen high-pressure fan |
| CN113757136A (en) * | 2021-09-09 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Heat dissipation system of magnetic suspension multistage compressor |
-
2017
- 2017-08-21 CN CN201721045676.8U patent/CN207246048U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268295A (en) * | 2018-11-20 | 2019-01-25 | 势加透博（北京）科技有限公司 | A kind of two-stage air compression system with diameter axial direction diffuser |
| CN113503263A (en) * | 2021-09-07 | 2021-10-15 | 江苏涞森环保设备有限公司 | Oxygen high-pressure fan |
| CN113503263B (en) * | 2021-09-07 | 2021-11-19 | 江苏涞森环保设备有限公司 | Oxygen high-pressure fan |
| CN113757136A (en) * | 2021-09-09 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Heat dissipation system of magnetic suspension multistage compressor |
| CN113757136B (en) * | 2021-09-09 | 2023-08-08 | 鑫磊压缩机股份有限公司 | Heat radiation system of magnetic suspension multistage compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180417 Termination date: 20200821 |