CN220365950U - Ball mill sealing device and ball mill - Google Patents
Ball mill sealing device and ball mill Download PDFInfo
- Publication number
- CN220365950U CN220365950U CN202321506594.4U CN202321506594U CN220365950U CN 220365950 U CN220365950 U CN 220365950U CN 202321506594 U CN202321506594 U CN 202321506594U CN 220365950 U CN220365950 U CN 220365950U
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- sealing
- ball mill
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- annular plate
- ring
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- 238000007789 sealing Methods 0.000 title claims abstract description 182
- 210000004907 gland Anatomy 0.000 claims abstract description 30
- 230000002093 peripheral effect Effects 0.000 claims abstract description 20
- 238000005461 lubrication Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model provides a ball mill sealing device and a ball mill. The ball mill sealing device of the utility model comprises: a blanking pipe extending along a first direction; the gland is arranged on the periphery of the blanking pipe in a surrounding mode, the gland is connected with the ball mill body, an outlet of the blanking pipe penetrates through the gland and stretches into the ball mill body, and an annular sealing cavity is defined by the periphery of the blanking pipe, the gland and the ball mill body; the first sealing piece and the second sealing piece are of annular structures, the axial directions of the first sealing piece and the second sealing piece are in a first direction, the first sealing piece and the second sealing piece are located in the sealing cavity, the first sealing piece and the second sealing piece are arranged in parallel in the first direction, the first sealing piece is fixed on the outer peripheral side of the blanking pipe, the second sealing piece is connected with the ball mill body, and the inner annular surface of the second sealing piece is abutted to the outer peripheral surface of the blanking pipe. Therefore, the ball mill sealing device has the advantage of good sealing performance.
Description
Technical Field
The utility model relates to the technical field of ball mills, in particular to a ball mill sealing device and a ball mill.
Background
The feeding sealing device of the desulfurization wet ball mill of the power plant is characterized in that a manufacturer adopts a flange and graphite filler mode to axially and radially seal. The sealing mode can prevent the loss of materials and ensure the pulping output of the mill. However, the sealing device is easy to deform and cause leakage when being soaked by slurry and extruded by a material pipe in long-period running of equipment, so that the pulping capacity of the mill is reduced.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, embodiments of the present utility model provide a ball mill sealing device and a ball mill.
The ball mill sealing device of the embodiment of the utility model comprises:
the blanking pipe extends along the first direction;
the gland is arranged on the outer peripheral side of the blanking pipe in a surrounding mode, the gland is connected with the ball mill body, an outlet of the blanking pipe penetrates through the gland and stretches into the ball mill body, an annular sealing cavity is defined by the outer peripheral surface of the blanking pipe, the gland and the ball mill body, and the axial direction of the sealing cavity is in the first direction;
the first sealing element and the second sealing element are of annular structures, the first sealing element and the second sealing element are axially arranged in the first direction, the first sealing element and the second sealing element are located in the sealing cavity, the first sealing element and the second sealing element are arranged in parallel in the first direction, the first sealing element is fixed on the outer peripheral side of the discharging pipe, the second sealing element is connected with the ball mill body, and the inner ring surface of the second sealing element is abutted to the outer peripheral surface of the discharging pipe.
Therefore, the ball mill sealing device provided by the embodiment of the utility model has the advantage of good sealing performance.
In some embodiments, the first seal is located on a side of the second seal away from the outlet of the blanking tube in the first direction.
In some embodiments, the second seal comprises
The thickness direction of the first annular plate and the second annular plate is the first direction, the first annular plate and the second annular plate are arranged at intervals in the first direction, and the inner annular surfaces of the first annular plate and the second annular plate are in contact with the outer circumferential surface of the blanking pipe;
the third annular plate is connected with the outer annular surface in the first annular plate and the second annular plate, the second annular plate is positioned on one side, adjacent to the outlet of the blanking pipe, of the third annular plate in the first direction, the first annular plate, the second annular plate and the second annular plate define a lubrication groove, and lubricating oil is contained in the lubrication groove.
In some embodiments, the second sealing element further includes an annular fixing portion and an annular guiding portion, the fixing portion and the guiding portion are both sleeved on the outer peripheral surface of the blanking tube and are abutted, the fixing portion and the guiding portion are located on two sides of the first annular plate and the second annular plate in the first direction, the fixing portion is connected with the second annular plate, the fixing portion and the second annular plate define an annular fixing groove, the axial direction of the fixing groove is in the first direction, an opening of the fixing groove faces away from the blanking tube, an elastic piece is arranged in the fixing groove, the guiding portion is connected with the first annular plate, and the distance between the outer annular surface of the guiding portion and the blanking tube is reduced in the first direction along a direction away from the fixing portion.
In some embodiments, the ball mill body is provided with a sealing ring located in the sealing cavity, the axial direction of the sealing ring is in the first direction, the sealing ring is provided with a sealing groove with an opening facing the blanking pipe, the second sealing piece is arranged in the sealing groove, and the fixing part and the guiding part are both located between the sealing ring and the blanking pipe.
In some embodiments, a conical sealing ring is arranged in the sealing cavity, the conical sealing ring is arranged on the outer circumferential side of the first sealing member in a surrounding mode, the distance between the inner ring surface of the conical sealing ring and the blanking pipe is reduced in the first direction along the direction away from the second sealing member, the distance between the outer ring surface of the first sealing member and the blanking pipe is reduced in the first direction along the direction away from the second sealing member, and the inner ring surface of the conical sealing ring is arranged opposite to the outer ring surface of the first sealing member.
In some embodiments, a flange plate is arranged in the ball mill body, the flange plate and the gland are positioned on two sides of the conical sealing ring and the sealing ring in the first direction, and two ends of the conical sealing ring in the first direction are respectively abutted with the gland and the sealing ring.
In some embodiments, the first seal is spaced apart from the seal ring.
In some embodiments, the ball mill body is further provided with an annular bushing, the axial direction of the bushing is the first direction, the bushing is located between the conical sealing ring and the ball mill body in the inner-outer direction, and the two sides of the sealing ring in the first direction are respectively abutted to the bushing and the flange plate.
The utility model also provides a ball mill, which comprises the ball mill sealing device.
Drawings
Fig. 1 is a schematic view of a sealing device of a ball mill according to an embodiment of the present utility model.
Fig. 2 is a partially enlarged view of a sealing device of a ball mill according to an embodiment of the present utility model.
Reference numerals:
a ball mill sealing device 100;
a blanking pipe 1;
a gland 2, a ball mill body 21 and a seal cavity 22;
a first seal 3;
the second sealing element 4, the first annular plate 41, the second annular plate 42, the third annular plate 43, the fixing part 44, the guiding part 45, the elastic element 46 and the lubrication groove 47;
a seal ring 5;
a conical sealing ring 6;
a flange 7;
and a bushing 8.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
A ball mill sealing device 100 according to an embodiment of the present utility model is described below with reference to the accompanying drawings. As shown in fig. 1 and 2, the ball mill sealing device 100 according to the embodiment of the present utility model includes a feed pipe 1, a gland 2, a first seal 3, and a second seal 4.
The blanking pipe 1 extends in a first direction. The first direction may be a left-right direction, which is indicated by an arrow in the figure. For example, the blanking pipe 1 extends in the left-right direction.
The gland 2 is arranged on the periphery side of the blanking pipe 1 in a surrounding mode, the gland 2 is connected with the ball mill body 21, an outlet of the blanking pipe 1 penetrates through the gland 2 and stretches into the ball mill body 21, an annular sealing cavity 22 is defined by the periphery surface of the blanking pipe 1, the gland 2 and the ball mill body 21, and the axial direction of the sealing cavity 22 is in a first direction. Specifically, the gland 2 is connected with the ball mill body 21 through bolts, and the gland 2 can rotate along with the ball mill body 21 relative to the blanking pipe 1. For example, the outlet of the blanking pipe 1 passes right through the gland 2 and protrudes into the ball mill body 21.
The first sealing piece 3 and the second sealing piece 4 are of annular structures, the axial direction of the first sealing piece 3 and the axial direction of the second sealing piece 4 are in a first direction, the first sealing piece 3 and the second sealing piece 4 are located in the sealing cavity 22, and the first sealing piece 3 and the second sealing piece 4 are arranged in parallel in the first direction. The first seal 3 (inner peripheral side) is fixed to the outer peripheral side of the blanking pipe 1, and the outer peripheral side of the first seal 3 is adjacent to the ball mill body 1. The second sealing member 4 is connected to the ball mill body 21, and the inner circumferential surface of the second sealing member 4 abuts against the outer circumferential surface of the blanking pipe 1.
Specifically, the first seal 3 and the second seal 4 juxtaposed in the first direction are each located in the seal chamber 22 so as to prevent slurry within the ball mill body 21 from leaking out. And the first sealing element 3 and the second sealing element 4 are respectively connected with the blanking pipe 1 and the ball mill body 21, so that the second sealing element 4 is abutted with the peripheral surface of the blanking pipe 1, the first sealing element 3 is fixed on the blanking pipe 1 and does not rotate, and the second sealing element 4 can rotate along with the ball mill body 21. The outer peripheral side of the first seal member 3 is adjacent to the ball mill body 1 so that the gap between the first seal member 3 and the ball mill body 1 is small, and the second seal member 4 abuts against the outer peripheral surface of the blanking pipe 1 so that the gap between the second seal member 4 and the blanking pipe 1 is small. After the slurry passes through the gap between the second sealing element 4 and the outer peripheral surface of the blanking pipe 1, the slurry moves to the gap between the first sealing element 3 and the ball mill body 21 in the radial direction, and can leak out after passing through the gap between the first sealing element 3 and the ball mill body 21, the bending corners in the whole process are more, and the number of the gaps which need to pass through is more, so that the slurry has great leakage difficulty, and the sealing performance of the ball mill sealing device 100 is good. For example, the axial direction of the first seal 3 and the second seal 4 is the left-right direction, and the first seal 3 and the second seal 4 are juxtaposed in the left-right direction.
Therefore, the ball mill sealing device 100 according to the embodiment of the present utility model has an advantage of good sealing performance.
As shown in fig. 1 and 2, in some embodiments, the first seal 3 is located on a side of the second seal 4 remote from the outlet of the blanking tube 1 in the first direction. For example, the first seal 3 is located on the left side of the second seal 4.
As shown in fig. 1 and 2, in some embodiments, the second seal 4 includes a first ring plate 41, a second ring plate 42, and a third ring plate 43.
The thickness direction of the first annular plate 41 and the second annular plate 42 is the first direction, the first annular plate 41 and the second annular plate 42 are arranged at intervals in the first direction, and the inner annular surfaces of the first annular plate 41 and the second annular plate 42 are in contact with the outer circumferential surface of the blanking pipe 1. The third ring plate 43 is connected to the outer circumferential surface of the first ring plate 41 and the second ring plate 42, and the second ring plate 42 is located at a side of the third ring plate 43 adjacent to the outlet of the blanking pipe 1 in the first direction, and the first ring plate 41, the second ring plate 42 and the second ring plate 42 define a lubrication groove 47, and the lubrication groove 47 accommodates lubrication oil. The inner annular surfaces of the first annular plate 41 and the second annular plate 42 are abutted against the outer peripheral surface of the blanking pipe 1, so that the tightness of the second sealing element 4 can be further increased, the opening of the lubrication groove 47 faces the blanking pipe 1, and the lubrication groove 47 contains lubrication oil so that the friction force between the second sealing element 4 and the blanking pipe 1 is small, and the loss of the second sealing element 4 is reduced. For example, the first ring plate 41 is located on the left side of the second ring plate 42.
As shown in fig. 1 and 2, in some embodiments, the second seal 4 further comprises an annular securing portion 44 and an annular guiding portion 45. The fixing portion 44 and the guiding portion 45 are both sleeved on the outer circumferential surface of the blanking pipe 1 to abut, and the fixing portion 44 and the guiding portion 45 are located on two sides of the first annular plate 41 and the second annular plate 42 in the first direction.
The fixing portion 44 is connected to the second annular plate 42 (adjacent to one end of the blanking tube 1), the fixing portion 44 and the second annular plate 42 define an annular fixing groove, the axial direction of the fixing groove is in the first direction, the opening of the fixing groove faces away from the blanking tube 1, and an elastic member 46 is sleeved in the fixing groove. Specifically, the elastic member 46 has a ring shape, and the elastic member 46 can tightly support the fixing portion 44 against the outer circumferential surface of the blanking pipe 1 by using the elasticity thereof, thereby further improving the sealing property. For example, the fixing portion 44 is provided on the right side of the second ring plate 42, and the elastic member 46 is a tension spring.
The guide portion 45 is connected to the first annular plate 41 (an end adjacent to the blanking pipe 1), and the distance between the outer annular surface of the guide portion 45 and the blanking pipe 1 decreases in the first direction in a direction away from the fixing portion 44. Thereby, foreign substances from the outside can be prevented from entering the lubrication groove 47. For example, the guide portion 45 is connected to the left side of the first ring plate 41, and the outer ring of the guide portion 45 is disposed obliquely inward to the left.
As shown in fig. 1 and 2, in some embodiments, the ball mill body 21 is provided with a sealing ring 5 located in the sealing cavity 22, the axial direction of the sealing ring 5 is a first direction, the sealing ring 5 is provided with a sealing groove opening towards the blanking pipe 1, and the second sealing piece 4 is arranged in the sealing groove. Specifically, the first ring plate 41 and the second ring plate 42 are respectively connected to the wall surface of the seal groove in the first direction, and the third ring plate 43 is connected to the bottom wall surface of the seal groove so that the seal ring 5 supports the second seal 4.
The fixing portion 44 and the guide portion 45 are located between the sealing ring 5 and the blanking pipe 1, so that a gap between the sealing ring 5 and the blanking pipe 1 can be reduced.
As shown in fig. 1 and 2, in some embodiments, a conical sealing ring 6 is disposed in the sealing cavity 22, and the conical sealing ring 6 is disposed around the outer periphery of the first sealing member 3, and the distance between the inner annular surface of the conical sealing ring 6 and the blanking pipe 1 decreases in the first direction along the direction away from the second sealing member 4, and the distance between the outer annular surface of the first sealing member 3 and the blanking pipe 1 decreases in the first direction along the direction away from the second sealing member 4, where the inner annular surface of the conical sealing ring 6 is disposed opposite to the outer annular surface of the first sealing member 3.
Specifically, the tapered seal ring 6 is rotatable with the ball mill body 21, and an inner annular surface of the tapered seal ring 6 is disposed at an interval from an outer annular surface of the first seal member 3 so as to reduce friction against the first seal member 3. The inner annular surface of the conical sealing ring 6 and the outer annular surface of the first sealing member 3 are inclined surfaces, so that the inner annular surface of the conical sealing ring 6 is matched with the outer annular surface of the first sealing member 3. The gap between the inner annular surface of the conical sealing ring 6 and the outer annular surface of the first sealing member 3 is adjacent to the blanking pipe 1 in a direction away from the second sealing member 4 in the first direction, so that slurry can be prevented from passing through the first sealing member 3, so that the sealing property is further improved. For example, the distance between the inner annular surface of the conical sealing ring 6 and the blanking pipe 1 decreases to the left, and the distance between the outer annular surface of the first sealing member 3 and the blanking pipe 1 decreases to the left.
As shown in fig. 1 and 2, in some embodiments, a flange 7 is provided in the ball mill body 21, the flange 7 and the gland 2 are located at two sides of the conical seal ring 6 and the seal ring 5 in the first direction, and two ends of the conical seal ring 6 in the first direction are respectively abutted with the gland 2 and the seal ring 5. So that the conical sealing ring 6 can be limited in a first direction by means of the gland 2 and the sealing ring 5. For example, the gland 2 is located to the left of the conical sealing ring 6 and the flange 7 is located to the right of the sealing ring 5.
In some embodiments, the first seal 3 is spaced apart from the seal ring 5 (in the first direction) so that wear on the first seal 3 may be reduced.
In some embodiments, the ball mill body 21 is further provided with an annular bushing 8, the axial direction of the bushing 8 is a first direction, the bushing 8 is located between the conical sealing ring 6 (the gland 2) and the ball mill body 21 in the inner and outer directions, and two sides of the sealing ring 5 in the first direction are respectively abutted against the bushing 8 and the flange 7. Namely, the seal ring 5 (second seal 4) is fixed by the bush 8 and the flange 7. Specifically, the bushing 8 is fixed to the ball mill body 21 by bolts. For example, the bushing 8 is located on the left side of the sealing ring 5.
The utility model also proposes a ball mill, which according to an embodiment of the utility model comprises a ball mill sealing device 100 according to an embodiment of the utility model.
Therefore, the ball mill provided by the embodiment of the utility model has the advantage of good sealing performance.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.
Claims (10)
1. A ball mill sealing device, comprising:
the blanking pipe extends along the first direction;
the gland is arranged on the outer peripheral side of the blanking pipe in a surrounding mode, the gland is connected with the ball mill body, an outlet of the blanking pipe penetrates through the gland and stretches into the ball mill body, an annular sealing cavity is defined by the outer peripheral surface of the blanking pipe, the gland and the ball mill body, and the axial direction of the sealing cavity is in the first direction;
the first sealing element and the second sealing element are of annular structures, the first sealing element and the second sealing element are axially arranged in the first direction, the first sealing element and the second sealing element are located in the sealing cavity, the first sealing element and the second sealing element are arranged in parallel in the first direction, the first sealing element is fixed on the outer peripheral side of the discharging pipe, the second sealing element is connected with the ball mill body, and the inner ring surface of the second sealing element is abutted to the outer peripheral surface of the discharging pipe.
2. A ball mill sealing arrangement according to claim 1, wherein the first seal is located on a side of the second seal remote from the outlet of the blanking tube in the first direction.
3. A ball mill sealing arrangement according to claim 2, wherein the second seal comprises
The thickness direction of the first annular plate and the second annular plate is the first direction, the first annular plate and the second annular plate are arranged at intervals in the first direction, and the inner annular surfaces of the first annular plate and the second annular plate are in contact with the outer circumferential surface of the blanking pipe;
the third annular plate is connected with the outer annular surface in the first annular plate and the second annular plate, the second annular plate is positioned on one side, adjacent to the outlet of the blanking pipe, of the third annular plate in the first direction, the first annular plate, the second annular plate and the second annular plate define a lubrication groove, and lubricating oil is contained in the lubrication groove.
4. A ball mill sealing device according to claim 3, wherein the second sealing member further comprises an annular fixing portion and an annular guiding portion, the fixing portion and the guiding portion are both sleeved on the outer circumferential surface of the blanking tube and are abutted, the fixing portion and the guiding portion are located on two sides of the first annular plate and the second annular plate in the first direction, the fixing portion is connected with the second annular plate, the fixing portion and the second annular plate define an annular fixing groove, the axial direction of the fixing groove is the first direction, an opening of the fixing groove faces away from the blanking tube, an elastic member is sleeved in the fixing groove, the guiding portion is connected with the first annular plate, and the distance between the outer annular surface of the guiding portion and the blanking tube is reduced in the direction away from the fixing portion in the first direction.
5. The ball mill sealing device according to claim 4, wherein the ball mill body is provided with a sealing ring located in the sealing cavity, the axial direction of the sealing ring is in the first direction, the sealing ring is provided with a sealing groove with an opening facing the blanking pipe, the second sealing piece is arranged in the sealing groove, and the fixing part and the guiding part are located between the sealing ring and the blanking pipe.
6. The ball mill sealing device according to claim 5, wherein a tapered seal ring which is annularly arranged on the outer peripheral side of the first sealing member is arranged in the sealing cavity, the distance between the inner annular surface of the tapered seal ring and the discharging pipe is reduced in the first direction along the direction away from the second sealing member, the distance between the outer annular surface of the first sealing member and the discharging pipe is reduced in the first direction along the direction away from the second sealing member, and the inner annular surface of the tapered seal ring is arranged opposite to the outer annular surface of the first sealing member.
7. A ball mill sealing device according to claim 6, wherein a flange is provided in the ball mill body, the flange and the gland are located on both sides of the tapered seal ring and the seal ring in the first direction, and both ends of the tapered seal ring in the first direction are abutted with the gland and the seal ring, respectively.
8. The ball mill seal of claim 7 wherein said first seal is spaced from said seal ring.
9. The ball mill sealing device according to claim 8, wherein the ball mill body is further provided with an annular bushing, the axial direction of the bushing is the first direction, the bushing is located between the conical sealing ring and the ball mill body in the inner-outer direction, and the sealing ring is respectively abutted against the bushing and the flange plate at two sides of the first direction.
10. A ball mill comprising a ball mill sealing device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506594.4U CN220365950U (en) | 2023-06-13 | 2023-06-13 | Ball mill sealing device and ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506594.4U CN220365950U (en) | 2023-06-13 | 2023-06-13 | Ball mill sealing device and ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220365950U true CN220365950U (en) | 2024-01-19 |
Family
ID=89521389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321506594.4U Active CN220365950U (en) | 2023-06-13 | 2023-06-13 | Ball mill sealing device and ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220365950U (en) |
-
2023
- 2023-06-13 CN CN202321506594.4U patent/CN220365950U/en active Active
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