CN208032797U - A kind of dynamic and static vane - Google Patents
A kind of dynamic and static vane Download PDFInfo
- Publication number
- CN208032797U CN208032797U CN201820155919.1U CN201820155919U CN208032797U CN 208032797 U CN208032797 U CN 208032797U CN 201820155919 U CN201820155919 U CN 201820155919U CN 208032797 U CN208032797 U CN 208032797U
- Authority
- CN
- China
- Prior art keywords
- vane
- dynamic
- guide surface
- static
- quiet
- 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
Links
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a kind of dynamic and static vane, dynamic and static vane side is fixedly connected with cylinder, and the other side is fixedly connected with mill, including：Quiet vane and dynamic vane, quiet vane are fixed on cylinder, are moved vane and are mounted on mill, planar annular gap is formed between quiet vane and dynamic vane；Quiet vane includes upper guide surface and the lower guide surface that is connect with upper guide surface.The utility model has very big promotion compared to traditional dynamic and static vane in conveying capacity and back powder ability, and then improves the whole milling performance of medium-speed pulverizer.
Description
Technical field
The utility model is related to a kind of vane, more particularly to a kind of dynamic and static vane belongs to Machine Manufacturing Technology
Field.
Background technology
Dynamic and static vane is located in medium-speed pulverizer between mill and cylinder, is the main thoroughfare that load wind enters medium-speed pulverizer, makees
With being to carry out tissue and distribution to entering the load wind in medium-speed pulverizer, realizes load wind direction separator conveying fine powder and returned to mill
Return the function of coarse powder.In addition, dynamic and static vane also has filtration, arranged into the foreign matter that can not be milled in medium-speed pulverizer from vane
Except medium-speed pulverizer, qualified material is stopped by vane, is not misprinted.
The dynamic and static vane structure of tradition, quiet vane 2 are welded on cylinder 4, and dynamic vane 5 is fixed on mill 6, with mill one
Rotation is played, 8 spiral of tooth form air intake passage that load wind is entered by air inlet 1 on air compartment 7, then driven vane 5 enters mill 6
Top.Due to the limitation of its structure, the defect for energy force difference that is big, returning to coarse powder to mill that there are air leak rate of air curtain, these defects are serious
The problem of influencing the milling performance of medium-speed pulverizer, and high low output, power consumption, serious wear can be caused.
Therefore, how to provide the strong dynamic and static vane of conveying capacity and back powder ability become those skilled in the art there is an urgent need for
It solves the problems, such as.
Utility model content
In view of this, the utility model provides a kind of dynamic and static vane, compared to traditional dynamic and static vane in conveying capacity
And have very big promotion in back powder ability, and then improve the whole milling performance of medium-speed pulverizer.
To achieve the goals above, the utility model adopts the following technical solution：
A kind of dynamic and static vane, the dynamic and static vane side are fixedly connected with cylinder, and the other side is fixedly connected with mill, institute
Stating a kind of dynamic and static vane includes：Quiet vane and dynamic vane, the quiet vane are fixed on the cylinder, the dynamic vane installation
On the mill, planar annular gap is formed between the quiet vane and the dynamic vane；The quiet vane includes above leading
The lower guide surface being connect to face and with the upper guide surface.
The utility model uses planar annular gap, reduces air leak rate of air curtain, improves the conveying capacity and back powder of load wind
Ability；The coarse powder particles returned along cylinder are easier to be slipped on mill after being oriented to by upper guide surface, and load wind is blown afloat from below
Come coarse powder particles by lower guide surface guiding role, it is easier to by Throwing return mills, the structure of upper guide surface and lower guide surface
Setting, further improves a kind of back powder ability of dynamic and static vane.
Preferably, pass air intake passage is offered on the dynamic vane, load wind passes through pass air intake passage spiral
Above into mill, the coal dust overflowed in mill is transported to separator and is sorted, underproof coarse granule coal dust is blown back
To continuing to grind in mill.
Preferably, the planar annular gap width is less than 3mm.Planar annular gap is smaller, compared to traditional annular circle
Cylinder gap, air leak rate of air curtain at least reduce 40%.
Preferably, the angle of the upper guide surface and vertical plane is 35 °~55 °.
Preferably, the angle of the upper guide surface and vertical plane is 45 °, is conducive to the back powder ability for improving guide surface.
Preferably, the angle of the lower guide surface and horizontal plane is 40 °~60 °.
Preferably, the angle of the lower guide surface and horizontal plane is 55 °, is conducive to the back powder ability for improving lower guide surface.
Preferably, the upper guide surface is an integral molding structure or is welded to connect with the lower guide surface.
Preferably, cylinder bottom end side offers air inlet, and the air inlet is connected with air compartment.Load wind by into
Air port enters air compartment.
It can be seen via above technical scheme that compared with prior art, the utility model, which discloses, provides a kind of dynamic and static wind
Ring, advantageous effect are：
The utility model sets the gap between dynamic and static vane to planar annular gap, reduces air leak rate of air curtain, improves negative
The conveying capacity and back powder ability of lotus wind；Upper and lower guide surface is arranged in quiet vane, further improves back powder ability, and then improve
The whole milling performance of medium-speed pulverizer.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawings are the mounting structure schematic diagram of the utility model.
Fig. 2 attached drawings are the partial enlarged view of part A in Fig. 1.
Fig. 3 attached drawings are the structural schematic diagram that the utility model moves vane.
Fig. 4 attached drawings are to be oriented to towards mill back powder schematic diagram on the quiet vane of the utility model.
Fig. 5 attached drawings are to be oriented to towards mill back powder schematic diagram under the quiet vane of the utility model.
Wherein, in figure,
1- cylinders；2- mills；The quiet vanes of 3-；4- moves vane；5- planar annulars gap；The upper guide surfaces of 6-；Guide surface under 7-；
8- pass air intake passages；9- air inlets；10- air compartments；11- grinding rollers；α-goes up the angle of guide surface and vertical plane；The lower guide surfaces of β-with
The angle of horizontal plane.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model embodiment discloses a kind of dynamic and static vane, sets the gap between dynamic and static vane to planar annular
Gap reduces air leak rate of air curtain, improves the conveying capacity and back powder ability of load wind；Upper and lower guide surface is arranged in quiet vane, into one
Step improves back powder ability.
Attached drawing 1-5 is please referred to, the utility model provides a kind of dynamic and static vane, and dynamic and static vane side is fixed with cylinder 1
Connection, the other side are fixedly connected with mill 2, and 2 top of mill is provided with grinding roller 11.
Dynamic and static vane includes：Quiet vane 3 and dynamic vane 4, quiet vane 3 are fixed on cylinder 1, are moved vane 4 and are mounted on mill
2 outside, and rotated with mill 2.3 installation site of quiet vane is higher than dynamic vane 4, is formed between quiet vane 3 and dynamic vane 4
There is planar annular gap 5, since the lower surface of quiet vane 3 and the upper surface of dynamic vane 4 are machined surface, by adjusting quiet vane
3 height can accurately adjust the size of annular plane gap 5.The width dimensions in planar annular gap 5 control within 3mm, phase
Than traditional ring-shaped cylinder face gap, air leak rate of air curtain at least reduces 40%, improves powder feeding ability and back powder ability；And material is more
It is not easily accessed in planar annular gap 5, avoids the problem of causing gap to increase because of abrasion, therefore, dynamic and static vane exists
During use, air leak rate of air curtain will not gradually increase.In addition, the load wind revealed through planar annular gap 5 is to blow mill 2
, it is more advantageous to and coarse powder particles is returned into mill 2.
Pass air intake passage 8 is offered on dynamic vane 4, pass air intake passage 8 can be made by forging type, can also be passed through
Welding manner is made.1 bottom end side of cylinder offers air inlet 9, and air inlet 9 is connected with air compartment 10.Load wind is first by air inlet 9
Air compartment 10 is entered, then enters mill by moving a certain number of 8 spirals of pass air intake passage of circumference uniform distribution on vane 4
2 top of disk, is transported to separator by the coal dust overflowed in mill 2 and sorts, underproof coarse granule coal dust is blown back into mill
Continue to grind in disk 2.
The back powder amount of medium-speed pulverizer is very big, about 2 to 3 times of powder outlet quantity, and coarse powder particles are smoothly returned on mill 2 again
It mills most important, back powder ability directly affects the performance of medium-speed pulverizer.The quiet vane 3 of the utility model includes 6 He of upper guide surface
The lower guide surface 7 being connect with upper guide surface 6, upper guide surface 6 are an integral molding structure with the design of lower guide surface 7, can also pass through weldering
The mode of connecing connects.The angle α of upper guide surface 6 and vertical plane is 35 °~55 °, preferably 45 °, the in this way coarse powder along the return of cylinder 1
Particle is easier to be slipped on mill 2 after being oriented to by upper guide surface 6, improves the back powder ability of guide surface 6.Lower guide surface 7
Angle β with horizontal plane is 40 °~60 °, and preferably 55 °, load wind blows afloat the coarse powder particles come from below by lower guide surface 7
Guiding role, it is easier to by Throwing return mills 2, improve the back powder ability of lower guide surface 7.
The utility model uses planar annular gap 5, reduces air leak rate of air curtain, improves the conveying capacity and back powder of load wind
Ability；The coarse powder particles returned along cylinder 1 are easier to be slipped on mill 2 after being oriented to by upper guide surface 6, and load wind is blown from below
The coarse powder particles to get up by lower guide surface 7 guiding role, it is easier to mills 2, upper guide surface 6 and lower guide surface 7 are returned by Throwing
Structure setting, further improve the back powder ability of dynamic and static vane, and then improve the whole milling performance of medium-speed pulverizer.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (9)
1. a kind of dynamic and static vane, the dynamic and static vane side is fixedly connected with cylinder, and the other side is fixedly connected with mill, special
Sign is, including：Quiet vane and dynamic vane, the quiet vane are fixed on the cylinder, and the dynamic vane is mounted on the mill
On disk, planar annular gap is formed between the quiet vane and the dynamic vane；The quiet vane include upper guide surface and with
The lower guide surface of the upper guide surface connection.
2. a kind of dynamic and static vane according to claim 1, which is characterized in that offer pass air inlet on the dynamic vane
Channel.
3. a kind of dynamic and static vane according to claim 1, which is characterized in that the planar annular gap width is less than
3mm。
4. a kind of dynamic and static vane according to claim 1, which is characterized in that the angle of the upper guide surface and vertical plane
It is 35 °~55 °.
5. a kind of dynamic and static vane according to claim 1, which is characterized in that the angle of the upper guide surface and vertical plane
It is 45 °.
6. a kind of dynamic and static vane according to claim 1, which is characterized in that the angle of the lower guide surface and horizontal plane
It is 40 °~60 °.
7. a kind of dynamic and static vane according to claim 1, which is characterized in that the angle of the lower guide surface and horizontal plane
It is 55 °.
8. a kind of dynamic and static vane according to claim 1 or 4 or 5 or 6 or 7, which is characterized in that the upper guide surface with
The lower guide surface is an integral molding structure or is welded to connect.
9. a kind of dynamic and static vane according to claim 1, which is characterized in that cylinder bottom end side offers air inlet
Mouthful, the air inlet is connected with air compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820155919.1U CN208032797U (en) | 2018-01-30 | 2018-01-30 | A kind of dynamic and static vane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820155919.1U CN208032797U (en) | 2018-01-30 | 2018-01-30 | A kind of dynamic and static vane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208032797U true CN208032797U (en) | 2018-11-02 |
Family
ID=63954928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820155919.1U Active CN208032797U (en) | 2018-01-30 | 2018-01-30 | A kind of dynamic and static vane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208032797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940558A (en) * | 2018-01-30 | 2018-12-07 | 上海意丰机电科技开发有限公司 | A kind of dynamic and static vane |
-
2018
- 2018-01-30 CN CN201820155919.1U patent/CN208032797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940558A (en) * | 2018-01-30 | 2018-12-07 | 上海意丰机电科技开发有限公司 | A kind of dynamic and static vane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202052701U (en) | Powder concentrator capable of sorting out component materials having particles of rough, medium, and fine particle sizes | |
| WO2020048278A1 (en) | Cement roller press finish grinding system and working method | |
| CN107913849B (en) | Centripetal efficient powder concentrator and design method thereof | |
| CN107350062A (en) | A kind of powder concentrator external Vertical Mill Joint grinding system using non-metal grinding medium | |
| WO2021142930A1 (en) | Grinding and shaping method for vertical grinding machine | |
| CN204933651U (en) | Novel vertical mill device | |
| CN208032797U (en) | A kind of dynamic and static vane | |
| CN205146692U (en) | Vortex classifier | |
| CN210097826U (en) | Suspension roller mill with air ducting | |
| CN205932475U (en) | Quick -witted middlings airlock of selection powder | |
| CN108940558A (en) | A kind of dynamic and static vane | |
| CN207941711U (en) | A kind of centripetal high-efficient powder concentrator | |
| CN106466653B (en) | Novel vertical mill device | |
| CN104998727B (en) | efficient Raymond mill | |
| CN110124804A (en) | ZGM type medium-speed pulverizer vane device | |
| CN207507611U (en) | A kind of powder concentrator external Vertical Mill Joint grinding system using non-metal grinding medium | |
| CN205392713U (en) | Novel nozzle cascade | |
| CN208082881U (en) | A kind of centripetal powder concentrator movable vane piece | |
| CN205587074U (en) | From inhaling dustproof fodder grinder of material formula | |
| CN205413189U (en) | Powder process device | |
| CN104759334B (en) | High efficiency medium-speed grinding device | |
| CN209613128U (en) | A kind of medium-speed vertical coal pulverizer nozzle arrangements | |
| CN208771596U (en) | Dry desulfurization sodium bicarbonate grinder | |
| CN202290181U (en) | Dust-free gear-claw disintegrator | |
| CN108405081B (en) | Particle shaping method and particle shaping machine for cement particles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |