CN206911521U - The grading wheel of airslide disintegrating mill - Google Patents
The grading wheel of airslide disintegrating mill Download PDFInfo
- Publication number
- CN206911521U CN206911521U CN201720587960.1U CN201720587960U CN206911521U CN 206911521 U CN206911521 U CN 206911521U CN 201720587960 U CN201720587960 U CN 201720587960U CN 206911521 U CN206911521 U CN 206911521U
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- CN
- China
- Prior art keywords
- impeller disk
- disk
- blade
- grading wheel
- axle sleeve
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Abstract
The utility model discloses a kind of grading wheel of airslide disintegrating mill, including：The axle sleeve being set in rotating shaft, the preceding impeller disk, the rear impeller disk being fixed on axle sleeve, the discharging opening being opened on the preceding impeller disk；Intermediate impeller disk between the preceding impeller disk and the rear impeller disk, the intermediate impeller disk is fixed on axle sleeve, the connection window being opened on the intermediate impeller disk, and the multi-disc front vane being circumferentially distributed before being fixedly connected between the impeller disk and intermediate impeller disk, the multi-disc rear blade being circumferentially distributed being fixedly connected between intermediate impeller disk and the rear impeller disk.The utility model is due to the structure using three impeller disks and two groups of blades, and the centrifugal force suffered by blade is relatively reduced, and the support force at blade both ends reduces, the deformation of blade is reduced, thus, the structure can better adapt to high rotating speed occasion, and large scale classification wheel construction, it is possible to increase yield.
Description
Technical field
It the utility model is related to airslide disintegrating mill technical field, the especially improvement to being classified wheel construction.
Background technology
The operation principle of airslide disintegrating mill is：Compressed air (or inert gas) passes through Bearing score after filtration drying
Your nozzle at high speeds spurts into crushing chamber, and at the joint of multiply high pressure draught, material is by impact several times, friction, shearing and powder
Broken, the material after crushing moves to graded region under blower fan draft effect with ascending air, in the stage turbine production of high speed rotation
Under raw powerful centrifugal action, make thickness feed separation, the fine grained for meeting granularity requirements is divided by grading wheel into whirlwind
Collected from device and deduster, coarse granule, which drops to disintegrating area, to be continued to crush.
Grading wheel is fixed and is set in rotating shaft, and rotating shaft is classified the rotating shaft inside zone device and led to by external impetus device drives
Bearings are crossed on bearing block, bearing block is fixedly connected with device.Grading wheel includes the axle sleeve being set in rotating shaft, is fixed on
The preceding impeller disk, the rear impeller disk and the more blades being fixedly connected between the preceding impeller disk and the rear impeller disk on axle sleeve, multi-disc
Blade forms charging gap along circumferentially disposed, between adjacent blades, and discharging opening is opened up on the preceding impeller disk.Produced when needing to increase
When amount, the size of increase grading wheel, two kinds nothing but of the mode that can be taken in structure：Increase the length of rotating shaft, before and after increase
The radius of the impeller disk.Which kind of above-mentioned mode no matter is taken, can all cause the centrifugal force on blade to increase, easily cause the change of blade
Shape or breakage.Therefore, the force analysis of blade turns into the key factor of limitation classification size of wheel.
Utility model content
The utility model provides a kind of grading wheel of improved structure, it is possible to increase the intensity of blade, it is thus possible to increase
The yield of grading wheel, the size for increasing grading wheel.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of grading wheel of airslide disintegrating mill, bag
Include：The axle sleeve being set in rotating shaft, the preceding impeller disk, the rear impeller disk being fixed on axle sleeve, is opened on the preceding impeller disk
Discharging opening；Intermediate impeller disk between the preceding impeller disk and the rear impeller disk, the intermediate impeller disk are fixed on axle sleeve,
The connection window being opened on the intermediate impeller disk, and before being fixedly connected between the impeller disk and intermediate impeller disk along
The multi-disc front vane of circle distribution, after being fixedly connected on the multi-disc being circumferentially distributed between intermediate impeller disk and the rear impeller disk
Blade.
Preferably, the discharging opening is multiple circumferentially to arrange.
Preferably, the connection window is multiple circumferentially to arrange.
Preferably, the radius of the preceding impeller disk, intermediate impeller disk and the rear impeller disk is identical.
Preferably, the distance between the preceding impeller disk and intermediate impeller disk are equal to the intermediate impeller disk and the rear impeller disk
The distance between.
The utility model use the structure of three impeller disks and two groups of blades substitute in the prior art two impellers with
And the structure of one group of blade so that the length of every group of blade is relative to be halved, and the centrifugal force suffered by blade is relatively reduced, blade both ends
Support force reduce, the deformation of blade is reduced, thus, the structure can better adapt to high rotating speed occasion, and suitable for big
Size classification wheel construction, it is possible to increase yield.
Brief description of the drawings
Fig. 1 be the utility model proposes grading wheel structural representation；
Fig. 2 is the schematic diagram of the preceding impeller disk in Fig. 1.
Shown in figure：1st, rotating shaft；2nd, bearing；3rd, bearing block；4th, the preceding impeller disk；41st, discharging opening；5th, the rear impeller disk；6th, in
Between the impeller disk；61st, window is connected；71st, front vane；72nd, rear blade；8th, axle sleeve.
Embodiment
In order to make it easy to understand, the optimization of titanium window construction is illustrated with reference to embodiment.It should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model.
Grading wheel structural representation shown in Figure 1, grading wheel are fixed and are set in rotating shaft 1, and rotating shaft 1 is by external impetus
Device drives, it is classified the rotating shaft 1 inside zone device and is supported on by bearing 2 on bearing block 3, bearing block 3 is fixedly connected with device.
The grading wheel includes being set in axle sleeve 8 in rotating shaft 1, is fixed on the preceding impeller disk 4 on axle sleeve 8, the rear impeller disk 5 and positioned at institute
The intermediate impeller disk 6 between the preceding impeller disk 4 and the rear impeller disk 5 is stated, before being fixedly connected between the impeller disk 4 and intermediate impeller disk 6
The multi-disc front vane 71 being circumferentially distributed, be fixedly connected on circumferentially dividing between intermediate impeller disk 6 and the rear impeller disk 5
The multi-disc rear blade 72 of cloth.Discharging opening 41 is opened up on the preceding impeller disk 4, connection window 61 is opened up on the intermediate impeller disk 6.
The discharging opening 41 for circumferentially arrange it is multiple, it is described connection window 61 be similarly circumferentially arrange it is multiple.
Using said structure, referring to the arrow in figure, material circulating direction is：Charging seam is formed between two neighboring blade
Gap, material can be from the space that front vane 71 enters between the preceding impeller disk 4 and intermediate impeller disk 6, and then is discharged from discharging opening 41.
Meanwhile material can enter from the space that rear blade 72 enters between intermediate impeller disk 6 and the rear impeller disk 5 from connection window 61
Space between the preceding impeller disk 4 and intermediate impeller disk 6, and discharged from discharging opening 41.
The radius of the preceding impeller disk 4, intermediate impeller disk 6 and the rear impeller disk 5 is identical, therefore front vane 71 and rear blade
72 on the circle of same radius.
The distance between the preceding impeller disk 4 and intermediate impeller disk 6 be equal to the intermediate impeller disk 6 and the rear impeller disk 5 it
Between distance, therefore front vane 71 is of the same size with rear blade 72, is easy to manufacture.
Claims (5)
1. a kind of grading wheel of airslide disintegrating mill, including：The axle sleeve being set in rotating shaft, be fixed on the preceding impeller disk on axle sleeve,
The impeller disk afterwards, the discharging opening being opened on the preceding impeller disk, it is characterised in that also include：Positioned at the preceding impeller disk with after
Intermediate impeller disk between the impeller disk, the intermediate impeller disk are fixed on axle sleeve, the company being opened on the intermediate impeller disk
Logical window, and the preceding multi-disc front vane being circumferentially distributed between the impeller disk and intermediate impeller disk is fixedly connected on, it is fixed
The multi-disc rear blade being circumferentially distributed being connected between intermediate impeller disk and the rear impeller disk.
2. the grading wheel of airslide disintegrating mill as claimed in claim 1, it is characterised in that：The discharging opening is circumferentially to arrange
It is multiple.
3. the grading wheel of airslide disintegrating mill as claimed in claim 1, it is characterised in that：The connection window is circumferentially cloth
That puts is multiple.
4. the grading wheel of airslide disintegrating mill as claimed in claim 1, it is characterised in that：The preceding impeller disk, intermediate impeller disk
And the radius of the rear impeller disk is identical.
5. the grading wheel of airslide disintegrating mill as claimed in claim 1, it is characterised in that：The preceding impeller disk and intermediate impeller disk
The distance between be equal to the distance between the intermediate impeller disk and the rear impeller disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587960.1U CN206911521U (en) | 2017-05-24 | 2017-05-24 | The grading wheel of airslide disintegrating mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587960.1U CN206911521U (en) | 2017-05-24 | 2017-05-24 | The grading wheel of airslide disintegrating mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206911521U true CN206911521U (en) | 2018-01-23 |
Family
ID=61307435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720587960.1U Active CN206911521U (en) | 2017-05-24 | 2017-05-24 | The grading wheel of airslide disintegrating mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206911521U (en) |
-
2017
- 2017-05-24 CN CN201720587960.1U patent/CN206911521U/en active Active
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