CN209076888U - A kind of clearance adjustable type roller mill separator rotor seal structure - Google Patents
A kind of clearance adjustable type roller mill separator rotor seal structure Download PDFInfo
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- CN209076888U CN209076888U CN201821865394.7U CN201821865394U CN209076888U CN 209076888 U CN209076888 U CN 209076888U CN 201821865394 U CN201821865394 U CN 201821865394U CN 209076888 U CN209076888 U CN 209076888U
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Abstract
The utility model, which is to provide one kind, can make seal clearance h2 in rotor circumference direction roller mill separator rotor seal structure of the same size, and type is related to Vertical Mill apparatus field.A kind of clearance adjustable type roller mill separator rotor seal structure, including rotor, seal closure and powder concentrator, the seal closure is connect with powder concentrator, the rotor is installed in the cavity that seal closure and powder concentrator enclose, the sealing ring being made of multiple ring segments, each ring segment and the adjustable connection of end flanges of rotor fine powder outlet end of the sealing ring are equipped between the end flanges end face and seal closure of rotor fine powder outlet end.The utility model can reduce the probability passed through from rotor seal gap compared with coarse granule, improve the qualification rate of the finished product.
Description
Technical field
The utility model relates to Vertical Mill apparatus field, especially a kind of clearance adjustable type roller mill separator rotor seal knot
Structure.
Background technique
Vertical Mill is building materials, chemical industry, a kind of milling equipment being widely used in steel and iron industry, it is mainly used for raw to cement
Material, clinker, raw coal and steel plant's blast-furnace cinder etc. carry out grinding, drying, sorting.Vertical Mill is big on screening installation both at home and abroad at present
All use dynamic and static efficient cage type powder concentrator.Cage type powder concentrator is mainly made of transmission device, transmission shaft and cage rotor,
Air-flow carries high concentrate dust and passes through stator blade panel region first, and large dust particle is kept off down by stator blade, remaining big compared with fine dust
Part is sorted by the rotor blade areas rotated, and the fine grained sub-elected is entered in rotor with air-flow by rotor blade
Portion, rotor middle part export cabinet with fine powder, and fine powder is sent to finished product dust-precipitator from fine powder outlet.Compared with another fraction in fine dust
Dust can be entered in the middle part of rotor by the seal clearance between rotor and seal closure, powder concentrator and be sent to finished product from fine powder outlet
Dust-precipitator, this part dust are not sorted not by rotor blade areas, therefore the size of seal clearance and gap size
Consistency largely determines finish fineness or specific surface area key whether up to standard.
As shown in Figure 1, seal closure 3 is connect with powder concentrator 2, two ends of rotor is set existing roller mill separator rotor seal structure
There are the end flanges 11 of fixed rotor blade 10, rotor is installed in the cavity that seal closure 3 and powder concentrator 2 enclose, and is turned
There are radial seal gap h1 between 11 lateral surface of end flanges and powder concentrator 2 of the fine powder outlet end of son, rotor
There are axial seal gap h2 between 11 end face of end flanges of fine powder outlet end and seal closure 3, rotor fine powder outlet end
There are radial seal gap h3 between 11 medial surface of end flanges and seal closure 3.Radial seal gap h1 is the powder of sealing structure
Dirt feeder connection, axial seal gap h2 are the dust passage of sealing structure, and radial seal gap h3 is the dust of sealing structure
Channel outlet.Since powder concentrator 2, rotor and seal closure 3 are the welding structural element of major diameter, it is integrated, rigidity
Poor, without processing, deformation is big, and seal clearance h1 and h3 size depends on powder concentrator 2, rotor and seal closure 3
The workshop accuracy of manufacture, therefore the size of the seal clearance h1 and h3 of existing roller mill separator can not all adjust, and in rotor circumference
Direction size is also difficult unanimously.Although seal clearance h2 can carry out adjustment up and down by the bar shaped bolt hole on seal closure 3,
Circumferencial direction due to 11 surface of end flanges in entire rotor can be uneven because rotor deformation will appear, to cause rotor
In the circumferencial direction of entire rotor, there are biggish differences of height for 11 upper surface of end flanges of fine powder outlet end, to can not also protect
It demonstrate,proves size of the seal clearance h2 in rotor circumference direction to be consistent, therefore part coarse powder dirt still can be larger from seal clearance h2
Place is unqualified so as to cause product inspection by entering in dust-precipitator, causes very big influence to the production of user.Therefore how
Keeping seal clearance h2 more consistent in the size in rotor circumference direction is the key that determine whether finish fineness or specific surface area are up to standard.
Utility model content
The technical problem to be solved by the utility model is to provide one kind, and axial seal gap h2 can be made in rotor circumference side
To roller mill separator rotor seal structure of the same size.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of clearance adjustable type roller mill separator turns
Sub- sealing structure, including rotor, seal closure and powder concentrator, the seal closure are connect with powder concentrator, the rotor peace
In the cavity enclosed loaded on seal closure and powder concentrator, between the end flanges end face and seal closure of rotor fine powder outlet end
Equipped with the sealing ring being made of multiple ring segments, each ring segment of the sealing ring and the end flanges of rotor fine powder outlet end can
Adjust connection.
Preferably, each ring segment of the sealing ring is connect with the end flanges screw of rotor fine powder outlet end, and every
The bolt hole of a ring segment is the strip-shaped hole being radially arranged.
Further, dust board, the end flanges of the dust board and rotor fine powder outlet end are equipped in the sealing ring
Connection.
Further, the blade being radially arranged is fixed on the sealing ring.
Further, dust retaining ring is provided in the powder concentrator, the dust retaining ring is located on the outside of rotor.
Further, the dust retaining ring lateral surface is provided with wearing layer.
Further, the seal closure is that multiple ring segments are put together.
The beneficial effects of the utility model are: the roller mill separator rotor seal structure of the utility model, is adjusted by segmentation
Whole sealing ring, the size of adjustable seal clearance h1, h2 and (or) h3 and make its rotor circumference direction size also as far as possible
Unanimously, it so as to reduce the probability passed through from rotor seal gap compared with coarse granule, improves the qualification rate of the finished product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the sealing ring ring segment structural schematic diagram of the utility model；
It is as shown in the figure: the outlet of 1. fine powders, 2. powder concentrators, 3. seal closures, 4. dust retaining rings, 10. rotor blades, 11. ends
Face flange, 12. sealing rings, 13. adjusting pads, 14. dust boards, 121. bolts hole, 122. blades.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 2 and Figure 3, a kind of clearance adjustable type roller mill separator rotor seal structure of the utility model, including turn
Son, seal closure 3 and powder concentrator 2, the seal closure 3 are connect with powder concentrator 2, the rotor be installed on seal closure 3 and
In the cavity that powder concentrator 2 encloses, it is equipped between 11 end face of end flanges of rotor fine powder outlet end and seal closure 3 by more
The sealing ring 12 of a ring segment composition, each ring segment of the sealing ring 12 and the adjustable company of end flanges of rotor fine powder outlet end
It connects.
The adjustable connection of end flanges 11 of each ring segment of sealing ring 12 and rotor fine powder outlet end, the mesh of adjustable connection
Be by can adjust sealing ring 12 each ring segment and rotor fine powder outlet end end flanges 11 between spacing in order to
Add adjusting pad, it is adjustable connection can be used be bolted, bolt connection etc. modes realize.Due to the end face of rotor fine powder outlet end
Be equipped with the sealing ring 12 that is made of multiple ring segments between 11 end face of flange and seal closure 3, each ring segment of sealing ring 12 with turn
The adjustable connection of end flanges 11 of careful powder outlet end, therefore can be according to the change of the end flanges 11 of rotor fine powder outlet end
Shape adjusts the spacing between the correspondence ring segment and end flanges 11 of sealing ring 12, in the correspondence ring segment and end face method of sealing ring 12
Adjusting pad 13 is added between orchid 11, so that the upper surface of sealing ring 12 is tended to be parallel as far as possible with 3 end face of seal closure, thus between making sealing
Gap h2 is more consistent along rotor circumference direction size, therefore can prevent coarse powder dirt from can pass through from seal clearance h2 larger part and enter receipts
In dirt device, to improve product qualification rate.Meanwhile seal clearance h2 can also be reduced by increasing adjusting pad 13.
In use due to rotor, the end flanges 11 of rotor can constantly deform, for the ease of according to rotor
Service condition adjusts gap h2, as shown in Figure 2 and Figure 3, each ring segment and the end face method of rotor fine powder outlet end of sealing ring 12
Blue 11 screws connection, and the bolt hole 121 of each ring segment is the strip-shaped hole being radially arranged.Each ring segment of sealing ring 12
It is connect with 11 screw of end flanges of rotor fine powder outlet end, disassembly adjustment is more convenient.The bolt hole 121 of each ring segment is along it
The strip-shaped hole being arranged radially, for sealing ring 12 while adjusting gap h1, each ring segment of sealing ring 12 can be in rotor radial
The mobile adjustment in direction, so that seal clearance h1 (dust passage entrance) size can also be adjusted and make it in rotor circumference direction
Size is also consistent as far as possible, therefore can further prevent coarse powder dirt from seal clearance by entering in dust-precipitator.
After adding adjusting pad 13 between sealing ring 12 and end flanges 11, meeting between sealing ring 12 and end flanges 11
There are gaps, and after adding adjusting pad 13 in order to prevent, coarse powder dirt passes through in the gap between sealing ring 12 and end flanges 11,
Dust board 14 is equipped in sealing ring 12, dust board 14 is connect with the end flanges 11 of rotor fine powder outlet end.
In order to which further anti-dust particles enter in seal clearance, the leaf being radially arranged is fixed on sealing ring 12
Piece 122.The effect of blade 122 is to form the barrier air-flow opposite with powder concentrator airflow direction, and barrier dust particles enter sealing
Gap.Blade 122 can be fixed in the part ring segment of sealing ring 12, can also be as shown in figure 3, blade 122 is fixed at equal intervals
In each ring segment of sealing ring 12.Blade 122 can be arc line shaped can also be with linear type, and blade is straight line shape steel plate in Fig. 3.
Pass through seal clearance to stop powder concentrator air-flow to carry dust straight, is provided with dust retaining ring in powder concentrator 2
4, dust retaining ring 4 is located on the outside of rotor.
Since dust particles can constantly wash away dust retaining ring 4, in order to increase the service life of dust retaining ring 4,4 lateral surface of dust retaining ring
It is provided with wearing layer.
For the ease of adjusting seal clearance h3, seal closure 3 is that multiple ring segments are put together.Seal closure 3 is the spelling of multiple ring segments
It closes, therefore can also add the adjusting pad of different-thickness between each ring segment and powder concentrator 2 of seal closure 3, from
And in adjustable seal clearance h3 (dust passage outlet) size and keep it also consistent as far as possible in rotor circumference direction size,
After adjusting, then by adjacent two seal closure ring segments welding, rivet or bond together, to piece together seal closure 3.
Roller mill separator when in use, as shown in Fig. 2, dust is sent into rotor blade areas by powder concentrator air-flow, outside rotor
The dust retaining ring 4 of side can stop most of air-flow to carry dust straight to pass through seal clearance.Leaf when rotor rotates, on sealing ring 12
Piece 122 can be rotated with rotor, since blade 122 is arranged radially, blade 122 generate during rotation along sealing ring 12 it is radial to
Outer barrier air-flow, to further dust be prevented to pass through seal clearance.When finish fineness or specific surface area not up to standard, can lead to
Cross each ring segment that bar shaped bolt hole 121 moves sealing ring 12 along rotor radial, thus the size of adjustable seal clearance h1 and
Keep it also consistent as far as possible in rotor circumference direction size；It can also be according to 11 different location of end flanges of rotor fine powder outlet end
Deflection, the adjusting pad 13 that different-thickness is added under each ring segment of sealing ring 12 make upper surface and the seal closure of sealing ring 12
3 end faces tend in parallel, keep seal clearance h2 more consistent along rotor circumference direction size as far as possible, then pass through the bar shaped on seal closure 3
Hole adjusts seal closure 3 up and down, thus the size of adjustable seal clearance h2；It can also be in each ring segment and powder concentrator shell of seal closure 3
The adjusting pad of different-thickness can also be added between body 2, so as to adjust seal clearance h3 size and make it in rotor circumference direction
Size is also consistent as far as possible, thus the size of sealing structure adjustable seal clearance h1, h2 and/or h3 of the utility model and
Keep it also consistent as far as possible in rotor circumference direction size, it is general compared with what coarse granule passed through from rotor seal gap so as to reduce
Rate improves the qualification rate of the finished product.
Claims (7)
1. a kind of clearance adjustable type roller mill separator rotor seal structure, including rotor, seal closure (3) and powder concentrator (2),
The seal closure (3) connect with powder concentrator (2), and the rotor is installed on seal closure (3) and encloses with powder concentrator (2)
Cavity in, it is characterised in that: between the end flanges end face and seal closure (3) of rotor fine powder outlet end be equipped with by multiple ring segments
The sealing ring (12) of composition, each ring segment of the sealing ring (12) and the adjustable company of end flanges of rotor fine powder outlet end
It connects.
2. a kind of clearance adjustable type roller mill separator rotor seal structure as described in claim 1, it is characterised in that: described close
Each ring segment of seal ring (12) is connect with the end flanges screw of rotor fine powder outlet end, and the bolt hole of each ring segment
(121) strip-shaped hole to be radially arranged.
3. a kind of clearance adjustable type roller mill separator rotor seal structure as described in claim 1, it is characterised in that: described close
Dust board (14) are equipped in seal ring (12), the dust board (14) connect with the end flanges of rotor fine powder outlet end.
4. a kind of clearance adjustable type roller mill separator rotor seal structure as claimed in claim 1,2 or 3, it is characterised in that:
The blade (122) being radially arranged is fixed on the sealing ring (12).
5. a kind of clearance adjustable type roller mill separator rotor seal structure as described in claim 1, it is characterised in that: the choosing
It is provided with dust retaining ring (4) in powder casing body (2), the dust retaining ring (4) is located on the outside of rotor.
6. a kind of clearance adjustable type roller mill separator rotor seal structure as claimed in claim 5, it is characterised in that: the gear
Dirt ring (4) lateral surface is provided with wearing layer.
7. a kind of clearance adjustable type roller mill separator rotor seal structure as described in claim 1, it is characterised in that: described close
Sealing cover (3) is that multiple ring segments are put together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821865394.7U CN209076888U (en) | 2018-11-13 | 2018-11-13 | A kind of clearance adjustable type roller mill separator rotor seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821865394.7U CN209076888U (en) | 2018-11-13 | 2018-11-13 | A kind of clearance adjustable type roller mill separator rotor seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209076888U true CN209076888U (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821865394.7U Active CN209076888U (en) | 2018-11-13 | 2018-11-13 | A kind of clearance adjustable type roller mill separator rotor seal structure |
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| Country | Link |
|---|---|
| CN (1) | CN209076888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053950A (en) * | 2021-11-15 | 2022-02-18 | 庐山市绿游生态农业开发有限公司 | Device for aquaculture oxygenation particles |
-
2018
- 2018-11-13 CN CN201821865394.7U patent/CN209076888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053950A (en) * | 2021-11-15 | 2022-02-18 | 庐山市绿游生态农业开发有限公司 | Device for aquaculture oxygenation particles |
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