CN209539406U - Magnetic suspension turbine power generation unit - Google Patents
Magnetic suspension turbine power generation unit Download PDFInfo
- Publication number
- CN209539406U CN209539406U CN201920287923.8U CN201920287923U CN209539406U CN 209539406 U CN209539406 U CN 209539406U CN 201920287923 U CN201920287923 U CN 201920287923U CN 209539406 U CN209539406 U CN 209539406U
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- magnetic suspension
- shell
- main shaft
- bearing
- power generation
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to generating set, specifically a kind of magnetic suspension turbine power generation unit.Including shell, the expanding machine impeller being placed in shell, generator, it is characterised in that: shell is cupuliform, and shell includes lower chambers, middle chamber and upper chamber, and middle chamber is connected to steam inlet pipe, and the bottom end of shell is equipped with bottom plate；Main shaft is installed inside the shell, and the lower end of main shaft is stepped shaft structure, and the lower end of main shaft is located at lower chambers and cooperates with the thrust bearing of bottom plate；It is placed in the indoor expanding machine impeller of lumen and is circumferentially connect with main shaft；For the upper position of main shaft in upper chamber, generator, the first magnetic suspension bearing and the second magnetic suspension bearing are successively installed in the middle and upper part of main shaft from the bottom to top.The entire unit of the utility model uses a monolithic case, avoids realizing working media zero leakage using static and dynamic sealing structure, meanwhile, entire unit uses hybrid magnetic suspension bearing system, greatly reduces mechanical friction loss and realizes that equipment is non-maintaining.
Description
Technical field
The utility model relates to generating set, specifically a kind of magnetic suspension turbine power generation unit.
Background technique
In the small-sized generator set device field for being converted to functional objective with thermo-electrically, more universal design at present is
Split-type design is used as shafting support member, expanding machine and generator using mechanical bearing, passes through gearbox or shaft coupling
Intermediate transmission component as expanding machine and generator.This construction machine loss is big, needs to lubricate, lubricating oil and working media
The difficult separation of mixing, split type structure cause equipment there are dynamic and static seal point, and working media leakage is big.For efficiency requirements height,
Working media is expensive or there are environmental pollution and fires dangerous workplace, and this traditional generating set is more next
More embody its limitation.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of suspending power generator group, entire unit uses an entirety
Shell reduces mechanical loss.
The utility model solve its technical problem the technical solution adopted is that:
A kind of magnetic suspension turbine power generation unit, including shell, the expanding machine impeller being placed in shell, generator, shell are
Cupuliform, shell include lower chambers, middle chamber and upper chamber, and middle chamber is connected to steam inlet pipe, and the bottom end of shell is equipped with bottom plate；Main shaft
Inside the shell, the lower end of main shaft is stepped shaft structure, and the lower end of main shaft is located at lower chambers and matches with the thrust bearing of bottom plate for installation
It closes；It is placed in the indoor expanding machine impeller of lumen and is circumferentially connect with main shaft；The upper position of main shaft in upper chamber, in main shaft on
Portion is successively installed by generator, the first magnetic suspension bearing and the second magnetic suspension bearing from the bottom to top.
The utility model by adopting the above technical scheme, compared with prior art, beneficial effect is:
The entire unit of the utility model uses a monolithic case, avoids realizing work Jie using static and dynamic sealing structure
Matter zero leakage, meanwhile, entire unit uses hybrid magnetic suspension bearing system, greatly reduces mechanical friction loss and realizes that equipment is exempted to tie up
Shield.
Further, the prioritization scheme of the utility model is:
The top of main shaft is equipped with groove structure, and the first magnetic suspension bearing is located at the lower section of groove structure, the second magnetic suspension shaft
It holds positioned at the top of groove structure.
The thrust bearing of main shaft bottom is helicla flute ball bearing.
First magnetic suspension bearing is radial permanent magnet bearing.
Second magnetic suspension bearing is magnetic thrust bearing.
Spacer ring is equipped between first magnetic suspension bearing and the second magnetic suspension bearing.
Lower chambers are equipped with partition between middle chamber, and the center of partition is equipped with open-work, the excircle of partition and shell it is interior
Wall is affixed.
The flow guide sleeve of back taper is equipped between the lower end of generator and the upper end of expanding machine impeller, and flow guide sleeve will be located at
The indoor generator of lumen, bearing arrangement and main shaft are wrapped up, and form circular passage with lumen chamber interior walls.
The top of shell is equipped with male flange structure.
Labyrinth dynamic seal structure is used between expanding machine impeller and partition.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
In figure: steam drain 1；Second magnetic suspension bearing 2；First magnetic suspension bearing 3；Generator 4；Rotor 4-1；Stator 4-2；
Steam inlet pipe 5；Spiral grooved bearing 6；Shell 7；Lower chambers 7-1；Middle chamber 7-2；Upper chamber 7-3；Male flange structure 7-4；Main shaft
8；Groove structure 8-1；Expanding machine impeller 9；Flow guide sleeve 10；Partition 11；Bottom plate 12.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
Referring to Fig. 1, a kind of magnetic suspension turbine power generation unit, by steam drain 1, magnetic thrust bearing 2, radial permanent magnet bearing 3,
Generator 4, steam inlet pipe 5, spiral grooved bearing 6, shell 7, main shaft 8, expanding machine impeller 9,12 structure of flow guide sleeve 10, partition 11 and bottom plate
At.Shell 7 is cupuliform, and the diameter of 7 lower part of shell is greater than the diameter of middle and upper part, shell by lower chambers 7-1, middle chamber 7-2 and on
Chamber 7-3 is constituted, and the upper port of shell 7 is steam drain 1, and the top of shell 7 is equipped with male flange structure 7-4.Middle chamber 7-2 with
Horizontally disposed steam inlet pipe 5 is connected to.The bottom end of shell 7 is equipped with bottom plate 11, and bottom plate 11 is bolted with shell 7, bottom plate
11 center is installed by spiral grooved bearing 6.Circular partition 11 is installed in lower part in shell 7, and the center of partition 11 is machined with open-work,
The outer circumference surface of partition 11 is fixedly connected with the inner wall of shell 7, and the lower part of shell 7 is divided into lower chambers 7-1 and lumen by partition 11
Room 7-2.Expanding machine impeller 9 is located in middle chamber 7-2, and when installation, first expanding machine impeller 9 is put into middle chamber 7-2, then installs
Partition 11.
Main shaft 8 is mounted vertically in shell 7, and the axis of main shaft 8 is overlapped with the axis of shell 7.The lower end of main shaft 8 is ladder
The lower end of axle construction, main shaft 8 is located in lower chambers 7-1, and the lower end of main shaft 8 is machined with helical groove structure, the lower end of main shaft 8 and spiral shell
The cooperation of spin slot bearing 6, spiral grooved bearing 6 are mounted on the center of bottom plate 11, and spiral grooved bearing 6 is pin type spiral grooved bearing.It is main
Axis 8 be placed in the indoor expanding machine impeller 9 of lumen and connect with circumferential, the connection type of main shaft 8 and expanding machine impeller 9 is key or flower
Key connection.
For the upper position of main shaft 8 in upper chamber 7-1, generator 4, main shaft 8 and generator 4 are installed in the middle part of main shaft 8
Rotor 4-1 is circumferentially connected.Leading for back taper is installed between the lower end of the stator 4-2 of generator 4 and the upper end of expanding machine impeller 9
Stream set 10.The first magnetic suspension bearing 3 and the second magnetic suspension bearing 2 are installed in the top of main shaft 8, and the second magnetic suspension bearing 2 is located at hair
The top of motor 4, the first magnetic suspension bearing 3 are located at the top of the second magnetic suspension bearing 2, the first magnetic suspension bearing 3 be it is radial forever
Magnetic bearing, the second magnetic suspension bearing 2 is magnetic thrust bearing.The top of main shaft 8 is machined with the groove structure 8-1 of annular, and first
Magnetic suspension bearing 3 is located at the lower section of groove structure, and the second magnetic suspension bearing 2 is located at the top of groove structure.
The course of work of the present embodiment is: working media steam enters the middle chamber of the shell 7 of generating set from steam inlet pipe 5
7-2, pushes expanding machine impeller 9 to drive 8 high speed rotation of main shaft, and generator 4 is issued using the high speed rotation cutting magnetic line of main shaft 8
Electric energy is output in external power system by the lead-out wire of generator 4 and drags load, the working media steam exhaust after expansion work
Expanded 9 upper end of machine impeller discharge, flows through 4 stator 4-2 outer wall of generator, the heat that generator 4 generates is absorbed, to hair
Motor 4 cools down, and generating set is discharged through steam drain 1 in final steam exhaust.
During running at high speed power generation, pin type spiral grooved bearing 6 is held generating set as the predominantly axially power of shafting
Component is carried, magnetic thrust bearing 2 assists pin type spiral grooved bearing 6 to be responsible for adjusting the axis of main shaft while carrying the axial force of shafting
To position, radial force load bearing component of the radial permanent magnet bearing 3 as shafting, and undertake the axial force of fraction.
The rotary part of entire generating set is entirely included in shell 7, passes through steam inlet pipe 5, steam drain 1 and external system
It is connected, is static sealing structure, realizes working media zero leakage；The expanding machine impeller 9 of unit is coaxial connect with generator 4
It connects, shaft coupling and gearbox is not present, reduces mechanical loss；Generating set is at work at 6 position of pin type spiral grooved bearing
Thin oil film support is formed, and is supported at radial permanent magnet bearing 3 and magnetic thrust bearing 2 for complete magnetic suspension, so entire machine
Group shafting is without direct Mechanical Contact friction loss；Radial permanent magnet bearing 3 and 2 part of magnetic thrust bearing all do not need to lubricate, only
There is pin type helicla flute ball bearing 6 to need a small amount of lubricating oil, and recycled without oil pump auxiliary lube oil, only static state is needed to be filled into
6 position of pin type helicla flute ball bearing, while oil density is lubricated greater than working media, it is not present and is mixed with working media, it is dirty
The case where contaminating medium.
The above is only the preferred feasible embodiment of the utility model, not thereby limits to the power of the utility model
Sharp range, it is all with the variation of equivalent structure made by the utility model specification and accompanying drawing content, it is both contained in the utility model
Interest field within.
Claims (10)
1. a kind of magnetic suspension turbine power generation unit, including shell, the expanding machine impeller being placed in shell, generator, feature exist
In: shell is cupuliform, and shell includes lower chambers, middle chamber and upper chamber, and middle chamber is connected to steam inlet pipe, and the bottom end of shell is equipped with
Bottom plate；Main shaft is installed inside the shell, the lower end of main shaft is stepped shaft structure, and the lower end of main shaft is located at lower chambers and pushes away with bottom plate
Power bearing fit；It is placed in the indoor expanding machine impeller of lumen and is circumferentially connect with main shaft；The upper position of main shaft is led in upper chamber
The middle and upper part of axis is successively installed by generator, the first magnetic suspension bearing and the second magnetic suspension bearing from the bottom to top.
2. magnetic suspension turbine power generation unit according to claim 1, it is characterised in that: the top of main shaft is equipped with groove knot
Structure, the first magnetic suspension bearing are located at the lower section of groove structure, and the second magnetic suspension bearing is located at the top of groove structure.
3. magnetic suspension turbine power generation unit according to claim 1, it is characterised in that: the thrust bearing of main shaft bottom is spiral shell
Spin slot ball bearing.
4. magnetic suspension turbine power generation unit according to claim 1 or 2, it is characterised in that: the first magnetic suspension bearing is diameter
To Permanent-magnet bearing.
5. magnetic suspension turbine power generation unit according to claim 1 or 2, it is characterised in that: the second magnetic suspension bearing is electricity
Magnetic thrust bearing.
6. magnetic suspension turbine power generation unit according to claim 1 or 2, it is characterised in that: the first magnetic suspension bearing and
Spacer ring is equipped between two magnetic suspension bearings.
7. magnetic suspension turbine power generation unit according to claim 1, it is characterised in that: lower chambers are equipped between middle chamber
The center of partition, partition is equipped with open-work, and the excircle of partition and the inner wall of shell are affixed.
8. magnetic suspension turbine power generation unit according to claim 1, it is characterised in that: the lower end of generator and expanding machine leaf
The flow guide sleeve of back taper is equipped between the upper end of wheel, and flow guide sleeve will be located at the indoor generator of lumen, bearing arrangement and master
Axis is wrapped up, and forms circular passage with lumen chamber interior walls.
9. magnetic suspension turbine power generation unit according to claim 1, it is characterised in that: the top of shell is equipped with male flange
Structure.
10. magnetic suspension turbine power generation unit according to claim 1, it is characterised in that: between expanding machine impeller and partition
Using labyrinth dynamic seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920287923.8U CN209539406U (en) | 2019-03-07 | 2019-03-07 | Magnetic suspension turbine power generation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920287923.8U CN209539406U (en) | 2019-03-07 | 2019-03-07 | Magnetic suspension turbine power generation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209539406U true CN209539406U (en) | 2019-10-25 |
Family
ID=68274935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920287923.8U Active CN209539406U (en) | 2019-03-07 | 2019-03-07 | Magnetic suspension turbine power generation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209539406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763865A (en) * | 2019-03-07 | 2019-05-17 | 盾石磁能科技有限责任公司 | Magnetic suspension turbine power generation unit |
-
2019
- 2019-03-07 CN CN201920287923.8U patent/CN209539406U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763865A (en) * | 2019-03-07 | 2019-05-17 | 盾石磁能科技有限责任公司 | Magnetic suspension turbine power generation unit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 050800 No.12, jiaojiaopu street, North District, high tech Development Zone, Zhengding County, Shijiazhuang City, Hebei Province Patentee after: DUNSHI MAGNETIC ENERGY TECHNOLOGY Co.,Ltd. Address before: 063021 high tech headquarters building, No. 101, No. 101, North Road, construction of North Road, Hebei Province Patentee before: DUNSHI MAGNETIC ENERGY TECHNOLOGY Co.,Ltd. |