CN206035859U - High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor - Google Patents

High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor Download PDF

Info

Publication number
CN206035859U
CN206035859U CN201621068871.8U CN201621068871U CN206035859U CN 206035859 U CN206035859 U CN 206035859U CN 201621068871 U CN201621068871 U CN 201621068871U CN 206035859 U CN206035859 U CN 206035859U
Authority
CN
China
Prior art keywords
magnetic suspension
bearing
high speed
casing
moving load
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201621068871.8U
Other languages
Chinese (zh)
Inventor
张永波
尹贤军
李扬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Jiangjin Shipbuilding Industry Co Ltd
Original Assignee
Chongqing Jiangjin Shipbuilding Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Jiangjin Shipbuilding Industry Co Ltd filed Critical Chongqing Jiangjin Shipbuilding Industry Co Ltd
Priority to CN201621068871.8U priority Critical patent/CN206035859U/en
Application granted granted Critical
Publication of CN206035859U publication Critical patent/CN206035859U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Abstract

The utility model discloses a high -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor belongs to the compressor field. Comprising a housin, be equipped with air inlet, gas outlet on the casing, install the impeller of calming the anger in the casing, casing fixed connection motor connection flange still includes the high -speed asynchronous machine of magnetic suspension bearing, the high -speed asynchronous machine of magnetic suspension bearing includes the casing, install in the motor stator of casing, with motor stator complex electric motor rotor axle and with the magnetic suspension journal bearing of electric motor rotor shaft fit, casing and motor connection flange fixed connection, the electric motor rotor axle and the impeller fixed connection that calms the anger, motor connection flange fixed connection diffuser, be fixed with the supplementary antifriction bearing who is used for with the electric motor rotor shaft fit on the diffuser. It can be realized centrifugal compressor's high rotational speed and not have oil completely, and prolong magnetic suspension journal bearing's life -span.

Description

A kind of magnetic suspension bearing moving load with high speed directly drives centrifugal-flow compressor
Technical field
The utility model belongs to compressor field, is related to a kind of magnetic suspension bearing moving load with high speed and directly expels core type calm the anger Machine.
Background technology
Using impeller high speed rotation come the high-speed centrifugal compressor of compressed gas be widely used in it is military, civilian each Industry, including the important industry such as aviation, ship, nuclear energy, petrochemical industry, electric power, sewage disposal, pharmacy, food, high-speed centrifugal is calmed the anger Machine belongs to large-scale high power applications, and its efficiency determines the energy consumption level of whole industry, improves the efficiency meaning weight of Large-scale machine set Greatly;Additionally, some industries are not allow for oily presence, this is accomplished by the unit of complete oil-free;High-speed centrifugal compressor turn All at nearly ten thousand revs/min, what is had is also up to tens of thousands of revs/min to speed, and the synchronous rotational speed under conventional asynchronous machine power frequency only has 3,000 Rev/min, conventional method is that improving rotating speed, but the whole efficiency of gear-box is not high by step-up gear, not only power consumption, consumption Can, in addition it is also necessary to many auxiliary equipments, easily cause the oily pollution of environment.
Utility model content
The purpose of this utility model is exactly to solve the above problems, there is provided a kind of magnetic suspension bearing moving load with high speed is straight Centrifugal-flow compressor is driven, it can realize the complete oil free of compressor, and extend the life-span of magnetic suspension journal bearing.
The utility model can be achieved through the following technical solutions:A kind of magnetic suspension bearing moving load with high speed directly expels core type Compressor, including housing, the housing is provided with air inlet, gas outlet, is provided with compression impellor in housing, and the housing is fixed Connection motor connection flange, also including magnetic suspension bearing moving load with high speed, the magnetic suspension bearing moving load with high speed includes Rotor axis of electric and the magnetic coordinated with rotor axis of electric that casing, the motor stator for being installed on casing and motor stator coordinate Suspension journal bearing, the casing couple flange with motor and are fixedly connected, and the rotor axis of electric is fixedly connected with compression impellor, The motor connection flange is fixedly connected diffuser, is fixed with and rolls for the auxiliary coordinated with rotor axis of electric on the diffuser Dynamic bearing.
Preferably, the sealing gland for coordinating with rotor axis of electric is fixed with the diffuser.
Preferably, the sealing gland adopts contactless labyrinth seal.
Preferably, the air inlet is provided with import silencing filter.
Preferably, the magnetic suspension journal bearing includes coupling near motor the magnetic suspension of flange side positioned at motor stator Radial direction fore bearing, couple bearing after the magnetic suspension radially of flange side away from motor positioned at motor stator.
Preferably, the magnetic suspension bearing moving load with high speed also includes coupling flange positioned at rotor axis of electric away from motor The magnetic thrust bearing of one end.
Compared with prior art, the utility model has following beneficial effect:
1st, the utility model directly drives centrifugal-flow compressor, magnetic suspension shaft using magnetic suspension bearing moving load with high speed The high speed demand that moving load with high speed fully meets centrifugal-flow compressor is held, step-up gear is so may dispense with, is realized High-speed centrifugal compressor complete oil free, also improves efficiency;Additionally, be provided with diffuser coordinating with rotor axis of electric Auxiliary rolling bearing, in rotor axis of electric start-stop and operation process, auxiliary rolling bearing can reduce magnetic suspension radial axle The load held, so that extend the life-span of magnetic suspension journal bearing;
What the 2nd, the utility model was arranged on diffuser adopts contactless comb with the sealing gland that rotor axis of electric coordinates Sealing, not only can avoid the grazing with rotor axis of electric, can also reduce the leakage of gas;
3rd, the utility model is provided with import silencing filter in air inlet, making an uproar when reducing utility model works Sound.
Description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is partial enlarged drawing at A in Fig. 1.
Reference
1 is import silencing filter, and 2 is impeller cover, and 3 is inner spiral casing, and 4 is outer spiral casing, and 5 is compression impellor, and 6 is motor Connection flange, 7 is magnetic suspension radial direction fore bearing, and 8 is rotor axis of electric, and 9 is motor stator, and 10 is bearing after magnetic suspension radially, 11 is magnetic thrust bearing, and 12 is casing, and 13 are auxiliary rolling bearing, and 14 is sealing gland, and 15 is diffuser, and 16 is locking screw Bolt, 17 is impeller buss.
Specific embodiment
Below in conjunction with the accompanying drawings embodiment of the present utility model is described in further detail.
Referring to Fig. 1-Fig. 2, magnetic suspension bearing moving load with high speed directly drives a kind of embodiment of centrifugal-flow compressor, including shell Body, in the present embodiment, impeller cover 2 that housing includes being fixedly connected sequentially by bolt, inner spiral casing 3, outer spiral casing 4, the leaf Wheel case 2 is provided with air inlet, and inner spiral casing 3, outer spiral casing 4 are provided with gas outlet, are provided with compression impellor 5, outward in impeller cover 2 Spiral case 4 is coupled flange 6 by bolt and is fixedly connected with motor, also including magnetic suspension bearing moving load with high speed, magnetic suspension bearing Moving load with high speed include casing 12, the motor stator 9 for being installed on casing 12, and motor stator 9 coordinate rotor axis of electric 8 with And the magnetic suspension journal bearing coordinated with rotor axis of electric 8, casing 12 is coupled flange 6 by bolt and is fixedly connected with motor, electric Machine connection flange 6 is fixedly connected with casing 12 by bolt, and rotor axis of electric 8 passes through impeller buss 17 and lock with compression impellor 5 Tight bolt 16 is fixedly connected, and the motor connection flange 6 is bolted to connection diffuser 15, passes through on the diffuser 15 Bolt is fixed with the auxiliary rolling bearing 13 for coordinating with rotor axis of electric 8.
The sealing gland 14 for coordinating with rotor axis of electric 8 is bolted on the diffuser 15.The sealing gland 14 Using contactless labyrinth seal.
The air inlet is provided with import silencing filter 1.
The magnetic suspension journal bearing includes the magnetic suspension radial direction for coupling 6 side of flange positioned at motor stator 9 near motor Fore bearing 7, couple bearing 10 after the magnetic suspension radially of flange 6 side positioned at motor stator 9 away from motor, magnetic suspension bearing is at a high speed Asynchronous machine also includes the magnetic thrust bearing 11 for coupling 6 one end of flange positioned at rotor axis of electric 8 away from motor.Magnetic suspension footpath The radial position of 10 controlled motor armature spindle 8 of bearing to after fore bearing 7 and magnetic suspension radially, magnetic thrust bearing 11 control electricity The axial location of machine rotor axle 8.

Claims (6)

1. a kind of magnetic suspension bearing moving load with high speed directly drives centrifugal-flow compressor, and including housing, the housing is provided with air inlet Mouth, gas outlet, are provided with compression impellor (5) in housing, it is characterised in that:The housing is fixedly connected motor connection flange (6), Also include magnetic suspension bearing moving load with high speed, the magnetic suspension bearing moving load with high speed includes casing (12), is installed on machine The motor stator (9) of shell (12), and motor stator (9) rotor axis of electric (8) that coordinates and coordinate with rotor axis of electric (8) Magnetic suspension journal bearing, casing (12) are coupled flange (6) and are fixedly connected with motor, rotor axis of electric (8) with calm the anger Impeller (5) is fixedly connected, and motor connection flange (6) is fixedly connected diffuser (15), is fixed with diffuser (15) For the auxiliary rolling bearing (13) coordinated with rotor axis of electric (8).
2. magnetic suspension bearing moving load with high speed according to claim 1 directly drives centrifugal-flow compressor, it is characterised in that:Institute State the sealing gland (14) being fixed with diffuser (15) for coordinating with rotor axis of electric (8).
3. magnetic suspension bearing moving load with high speed according to claim 2 directly drives centrifugal-flow compressor, it is characterised in that:Institute Sealing gland (14) is stated using contactless labyrinth seal.
4. the magnetic suspension bearing moving load with high speed according to any one of claims 1 to 3 directly drives centrifugal-flow compressor, and which is special Levy and be:The air inlet is provided with import silencing filter (1).
5. magnetic suspension bearing moving load with high speed according to claim 4 directly drives centrifugal-flow compressor, it is characterised in that:Institute Stating magnetic suspension journal bearing includes the magnetic suspension radial direction fore bearing positioned at motor stator (9) near motor connection flange (6) side (7), couple bearing (10) after the magnetic suspension radially of flange (6) side positioned at motor stator (9) away from motor.
6. magnetic suspension bearing moving load with high speed according to claim 5 directly drives centrifugal-flow compressor, it is characterised in that:Institute Stating magnetic suspension bearing moving load with high speed also includes the magnetcisuspension positioned at rotor axis of electric (8) away from motor connection flange (6) one end Floating thrust bearing (11).
CN201621068871.8U 2016-09-21 2016-09-21 High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor Active CN206035859U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621068871.8U CN206035859U (en) 2016-09-21 2016-09-21 High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621068871.8U CN206035859U (en) 2016-09-21 2016-09-21 High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor

Publications (1)

Publication Number Publication Date
CN206035859U true CN206035859U (en) 2017-03-22

Family

ID=58296045

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621068871.8U Active CN206035859U (en) 2016-09-21 2016-09-21 High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor

Country Status (1)

Country Link
CN (1) CN206035859U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109210011A (en) * 2018-10-20 2019-01-15 广东艾高装备科技有限公司 A kind of low noise magnetic levitation centrifugal air compressor
CN109268282A (en) * 2018-09-30 2019-01-25 武汉格瑞拓机械有限公司 A kind of integral type centrifugal compressor
CN109788721A (en) * 2019-03-16 2019-05-21 山东华东风机有限公司 High-speed magnetic levitation air blast Electrical Control original part cooling system
US10666113B2 (en) 2017-03-24 2020-05-26 Johnson Controls Technology Company Magnetic bearing motor compressor
CN113342079A (en) * 2021-06-11 2021-09-03 滁州学院 Variable-rotating-speed switching disturbance suppression method of magnetic suspension bearing time-lag system for flywheel energy storage
CN116131563A (en) * 2023-01-31 2023-05-16 张勇 Ultrahigh-speed permanent magnet magnetic suspension motor resisting unilateral shaft thrust and design method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10666113B2 (en) 2017-03-24 2020-05-26 Johnson Controls Technology Company Magnetic bearing motor compressor
TWI703267B (en) * 2017-03-24 2020-09-01 美商江森自控技術公司 Induction motor for a chiller assembly and vapor compression system thereof
US11757328B2 (en) 2017-03-24 2023-09-12 Johnson Controls Tyco IP Holdings LLP Magnetic bearing motor compressor
CN109268282A (en) * 2018-09-30 2019-01-25 武汉格瑞拓机械有限公司 A kind of integral type centrifugal compressor
CN109210011A (en) * 2018-10-20 2019-01-15 广东艾高装备科技有限公司 A kind of low noise magnetic levitation centrifugal air compressor
CN109788721A (en) * 2019-03-16 2019-05-21 山东华东风机有限公司 High-speed magnetic levitation air blast Electrical Control original part cooling system
CN109788721B (en) * 2019-03-16 2020-02-28 山东华东风机有限公司 Electric control element heat dissipation system of high-speed magnetic suspension blower
CN113342079A (en) * 2021-06-11 2021-09-03 滁州学院 Variable-rotating-speed switching disturbance suppression method of magnetic suspension bearing time-lag system for flywheel energy storage
CN113342079B (en) * 2021-06-11 2022-07-12 滁州学院 Variable-rotating-speed switching disturbance suppression method for time-lag system of magnetic suspension bearing for flywheel energy storage
CN116131563A (en) * 2023-01-31 2023-05-16 张勇 Ultrahigh-speed permanent magnet magnetic suspension motor resisting unilateral shaft thrust and design method
CN116131563B (en) * 2023-01-31 2024-04-02 张勇 Ultrahigh-speed permanent magnet magnetic suspension motor resisting unilateral shaft thrust and design method

Similar Documents

Publication Publication Date Title
CN206035859U (en) High -speed asynchronous machine of magnetic suspension bearing directly drives centrifugal compressor
CN203717391U (en) Magnetic levitation high-speed tertiary flow centrifugal air blower
CN104564177B (en) A kind of small-sized highway turbine electromotor
CN104564717B (en) Direct driven high-speed turbine vacuum pump and operation method thereof
CN107503959A (en) A kind of shaftless blower fan of gear-rack drive formula
CN103887927B (en) A kind of energy storage device of magnetic suspension flywheel cooling system
CN110439634A (en) One kind being used for direct connection natural gas radial-inflow turboexpaner generating equipment
CN203384095U (en) Vortex machine
CN201982337U (en) High-speed centrifugal blower
CN205779789U (en) A kind of air compressor structure with embedded coaxial motor
CN103670533B (en) Air turbine starter turbine nozzle airfoil
CN207454330U (en) A kind of shaftless wind turbine of gear-rack drive formula
CN205478444U (en) Single -stage high speed centrifugation air -blower
CN209308988U (en) A kind of ventilation equipment
CN104564693A (en) Multistage centrifugal water make-up pump for nuclear power plant chemical and volume control system
CN202798315U (en) Special-purpose motor used for speed reducer
CN208203604U (en) Magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure
CN107605765A (en) Centrifugal blower
CN206364675U (en) A kind of high-speed three-phase asynchronous electric machine for gas transmission line compressor set
CN207393509U (en) Centrifugal blower
CN209539406U (en) Magnetic suspension turbine power generation unit
CN107725113A (en) Two-stage cantilevered axle stream expanding machine
CN209875479U (en) Coaxial symmetrically-arranged multistage hydraulic turbine direct-drive pump
CN201351623Y (en) Wind tunnel fan driving device
CN208474135U (en) Impeller built-in bearing formula one high-speed permanent magnetic centrifugal pump

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant