CN211359037U - Ball mill for cement production - Google Patents
Ball mill for cement production Download PDFInfo
- Publication number
- CN211359037U CN211359037U CN201922124551.XU CN201922124551U CN211359037U CN 211359037 U CN211359037 U CN 211359037U CN 201922124551 U CN201922124551 U CN 201922124551U CN 211359037 U CN211359037 U CN 211359037U
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- Prior art keywords
- ball mill
- cylinder
- inner cylinder
- outer cylinder
- along
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- 239000004568 cement Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000227 grinding Methods 0.000 claims abstract description 29
- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 239000011148 porous material Substances 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000003801 milling Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model provides a ball mill for cement manufacture, the purpose is solved current cement ball mill heat dissipation poor, the easy technical problem who crosses the mill. The adopted technical scheme is as follows: a ball mill for cement production comprises an outer cylinder, an inner cylinder and heat dissipation fins; the outer cylinder is horizontally arranged on the base, and an exhaust port is formed in the top of the outer cylinder; the bottom of the outer barrel is inclined downwards from left to right, and a discharge outlet is formed in the right end of the outer barrel; an opening is formed in the middle of each of the two ends of the outer barrel; two ends of the inner cylinder respectively penetrate out of the opening at the end part of the outer cylinder and are connected with the base through the rotary support; the outer wall of the inner cylinder is provided with a gear ring, and the gear ring is meshed with a gear driven by a motor; a feed inlet is formed in the left end of the inner cylinder, grinding balls are arranged in the inner cylinder, and a plurality of sieve pores are uniformly formed in the part, located in the outer cylinder, of the inner cylinder along the circumferential surface; the heat dissipation fins are flaky and extend spirally along the outer wall of the outer barrel.
Description
Technical Field
The utility model relates to a cement manufacture equipment technical field, concretely relates to ball mill for cement manufacture.
Background
The cement is a powdery hydraulic inorganic cementing material, which is added with water and stirred into slurry, can be hardened in the air or better in water, and can firmly bond sand, stone and other materials together. The production of cement needs to be carried out by the steps of crushing, pre-homogenizing, raw material grinding, preheating decomposition, clinker calcining, cement grinding and packaging and the like.
Wet ball milling is one of the main processes for raw meal milling, and is usually carried out in a ball mill. The following problems are mostly existed in the common ball mill for cement production: 1) the heat dissipation is poor, the ball mill can generate a large amount of heat in the grinding process, and the heat is accumulated in the ball mill and is difficult to discharge; the ball mill runs in a high-temperature environment for a long time, and the service life of the ball mill can be greatly shortened. 2) The over-grinding is easy to generate, fine materials generated in the ball milling process are difficult to discharge in time, and the fine materials are mixed in the raw materials with large particles, so that the crushing and grinding effects of grinding balls on the raw materials can be influenced.
Disclosure of Invention
An object of the utility model is to provide a ball mill for cement manufacture, it has good heat dispersion, and is difficult for producing the overgrinding.
In order to achieve the above object, the utility model adopts the following technical scheme:
a ball mill for cement production, comprising:
the outer cylinder is horizontally arranged on the base, and the top of the outer cylinder is provided with an exhaust port; the bottom of the outer barrel is inclined downwards from left to right, and a discharge outlet is formed in the right end of the outer barrel; an opening is formed in the middle of each of the two ends of the outer barrel;
the two ends of the inner cylinder respectively penetrate out of the opening at the end part of the outer cylinder and are connected with the base through the rotary support; the outer wall of the inner cylinder is provided with a gear ring, and the gear ring is meshed with a gear driven by a motor; a feed inlet is formed in the left end of the inner cylinder, grinding balls are arranged in the inner cylinder, and a plurality of sieve pores are uniformly formed in the part, located in the outer cylinder, of the inner cylinder along the circumferential surface;
the heat dissipation fins are flaky and extend spirally along the outer wall of the outer cylinder.
Preferably, the heat dissipation fin is provided with a plurality of heat dissipation holes along the length direction of the heat dissipation fin.
Preferably, a fan for blowing air towards the outer wall of the outer barrel is arranged on the base.
Preferably, the inner wall of the outer barrel is provided with heat exchange fins, and the heat exchange fins are formed by a plurality of annular sheets which are uniformly distributed along the length direction of the outer barrel.
Preferably, the annular sheets are arranged in a corrugated structure.
Preferably, the outer cylinder and the inner cylinder are arranged in an inclined manner with the left high and the right low, a circular partition board is arranged in the inner cylinder, and the partition board divides the inner cylinder into a left ball grinding chamber and a right ball grinding chamber; the partition panel sets up multichannel arc hole along its radial, the width in arc hole is greater than the aperture of sieve mesh.
Preferably, the arc-shaped holes are uniformly provided with a plurality of groups along the circumferential direction of the partition plate.
Preferably, a plurality of brush blocks are arranged on one surface of the partition plate facing the feeding end, and each brush block corresponds to one group of arc-shaped holes; the brush block radially extends along the partition board, and sets up multichannel and arc hole complex broach along length direction, the one end that the brush block is close to partition board middle part is articulated with the partition board.
The utility model discloses a theory of operation does: raw materials are put into the inner cylinder, a proper amount of water is injected, the inner cylinder is driven to rotate through the motor, so that grinding balls and the raw materials are thrown up, the raw materials are ground, and fine materials generated in the grinding process can fall into the bottom of the outer cylinder through a sieve pore of the inner cylinder; after a certain time of grinding, the discharge hole is opened to discharge the fine materials, then the discharge hole is closed, and new raw materials and water are added through the feed hole, so that the newly added raw materials and large-particle raw materials remained in the inner cylinder are continuously ground.
Therefore, the utility model has the advantages that: fine materials generated in the grinding process can be discharged from the inner cylinder in time, so that excessive grinding is effectively avoided, and the grinding efficiency is improved; the heat dissipation fins on the outer wall of the outer cylinder can accelerate the dissipation of heat in the cylinder, so that the heat dissipation performance of the inner cylinder and the outer cylinder is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the inner and outer barrels;
FIG. 3 is a left side view of the partition plate;
FIG. 4 is a schematic view of a brush block configuration;
reference numerals: 1. an outer cylinder; 2. a base; 3. a discharge outlet; 4. an inner barrel; 5. a ring gear; 6. a gear; 7. a feed inlet; 8. heat dissipation fins; 9. a fan; 10. heat exchange fins; 11. a partition panel; 12. an arc-shaped hole; 13. brushing blocks; 14. and comb teeth.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to 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", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Embodiments of the present invention will be described in detail below with reference to fig. 1 to 4.
The embodiment of the utility model provides a ball mill for cement manufacture, this ball mill for cement manufacture includes:
the outer cylinder 1 is horizontally arranged on the base 2, and the top of the outer cylinder is provided with an exhaust port; the bottom of the outer barrel 1 is inclined downwards from left to right, and a discharge outlet 3 is arranged at the right end; the middle parts of the two ends of the outer cylinder 1 are provided with openings; it should be understood that the bottom of the outer barrel 1 is inclined downwards from left to right, and the right end is provided with the discharge opening 3, so that the mud can be guided to flow to the discharge opening 3, and the discharge of the mud in the outer barrel 1 is facilitated.
The two ends of the inner cylinder 4 respectively penetrate out of the opening at the end part of the outer cylinder 1 and are connected with the base 2 through the rotary support; the outer wall of the inner cylinder 4 is provided with a gear ring 5, and the gear ring 5 is meshed with a gear 6 driven by a motor; it will be appreciated that the motor rotates the inner drum 4 by driving the gear 6 to rotate. The left end of inner tube 4 sets up feed inlet 7, set up the grinding ball in the inner tube 4, the part that inner tube 4 is located urceolus 1 evenly is provided with a plurality of sieve meshes along global. It will be appreciated that the portion of the inner barrel 4 which is located inside the outer barrel 1 has a larger diameter than the portion which is located outside the outer barrel 1.
And the heat dissipation fins 8 are sheet-shaped and extend spirally along the outer wall of the outer cylinder 1.
The following explains the embodiment of the present invention, the raw material is thrown into the inner cylinder 4, and is injected with a proper amount of water, the inner cylinder 4 is driven by the motor to rotate, thereby throwing the grinding balls and the raw material, and grinding the raw material, and the fine material generated in the grinding process can fall into the bottom of the outer cylinder 1 through the sieve pores of the inner cylinder 4; after a certain time of milling, the discharge opening 3 is opened to discharge the fine material, and then the discharge opening 3 is closed and new raw material and water are added through the feed opening 7, thereby continuing milling the newly added raw material and the large-particle raw material remaining in the inner tube 4. The fine materials generated in the grinding process of the utility model can be discharged from the inner barrel 4 in time, thereby effectively avoiding over-grinding and improving the grinding efficiency; in addition, the heat dissipation fins 8 on the outer wall of the outer cylinder 1 can accelerate the dissipation of heat in the cylinder, so that the heat dissipation performance of the inner cylinder 4 and the outer cylinder 1 is improved.
As a further optimization of the utility model, the heat dissipation fin 8 is provided with a plurality of heat dissipation holes along the length direction thereof. It should be understood that the heat dissipation holes can increase the heat dissipation area of the heat dissipation fins 8 and facilitate the circulation of air, thereby improving the heat dissipation efficiency of the heat dissipation fins 8.
Further, a fan 9 for blowing air towards the outer wall of the outer barrel 1 is arranged on the base 2. It should be understood that the air blowing to the outer wall of the outer cylinder 1 can increase the air circulation speed of the outer wall of the outer cylinder 1, so that the heat in the cylinder can be more quickly dissipated, and the heat dissipation performance is improved. The fan 9 does not need to be in an open state all the time, and only needs to be started when the temperature of the outer barrel 1 is overhigh.
Further, the inner wall of the outer cylinder 1 is provided with heat exchange fins 10, and the heat exchange fins 10 are formed by a plurality of annular sheets uniformly distributed along the length direction of the outer cylinder 1. It should be understood that the heat exchange fins 10 provided on the inner wall of the outer cylinder 1 can increase the contact area between the outer cylinder 1 and the slurry in the cylinder, thereby improving the heat dissipation performance. The part of the annular sheet at the bottom of the outer cylinder 1 is provided with a gap for mud to pass through.
Further, the ring segments are arranged in a corrugated configuration. It should be understood that the provision of the annular sheets in a corrugated structure may increase the heat exchange area, further improving the heat radiation performance.
Further, the outer cylinder 1 and the inner cylinder 4 are arranged in an inclined manner with the left high and the right low, a circular partition board 11 is arranged in the inner cylinder 4, and the partition board 11 divides the inner cylinder 4 into a left ball grinding chamber and a right ball grinding chamber; partition panel 11 sets up multichannel arc hole 12 along its radial, the width in arc hole 12 is greater than the aperture of sieve mesh. It should be understood that the partition plate 11 divides the inner cylinder 4 into two ball mill chambers, i.e. a left ball mill chamber and a right ball mill chamber, so that the raw materials can be ground in a grading manner, and the grinding effect is improved.
Further, the arc holes 12 are uniformly arranged in multiple groups along the circumferential direction of the partition plate 11.
Furthermore, a plurality of brush blocks 13 are arranged on one surface of the partition plate 11 facing the feeding end, and each brush block 13 corresponds to one group of arc-shaped holes 12; brush piece 13 along the radial extension of compartment board 11, and set up multichannel and 12 complex broach of arc hole 14 along length direction, brush piece 13 is close to the one end in the middle part of compartment board 11 and is articulated with compartment board 11. It should be understood that one end of the brush block 13 is close to the middle of the partition plate 11 and is hinged with the partition plate 11, when the partition plate 11 rotates with the inner cylinder 4, under the action of self gravity, the brush block 13 swings back and forth on the left side face of the partition plate 11 along the hinged point thereof and cleans the arc-shaped hole 12 through the comb teeth 14 inserted into the arc-shaped hole 12, thereby preventing the arc-shaped hole 12 of the partition plate 11 from being blocked.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that changes and modifications may be made to these embodiments without departing from the principles and spirit of the invention, and these changes and modifications are intended to fall within the scope of the invention.
Claims (8)
1. The utility model provides a ball mill for cement manufacture which characterized in that: the method comprises the following steps:
the outer cylinder (1) is horizontally arranged on the base (2), and the top of the outer cylinder is provided with an exhaust port; the bottom of the outer cylinder (1) is inclined downwards from left to right, and the right end of the outer cylinder is provided with a discharge outlet (3); the middle parts of the two ends of the outer cylinder (1) are provided with openings;
the two ends of the inner cylinder (4) respectively penetrate out of the opening at the end part of the outer cylinder (1) and are connected with the base (2) through a rotary support; the outer wall of the inner cylinder (4) is provided with a gear ring (5), and the gear ring (5) is meshed with a gear (6) driven by a motor; a feed inlet (7) is formed in the left end of the inner barrel (4), grinding balls are arranged in the inner barrel (4), and a plurality of sieve pores are uniformly formed in the part, located in the outer barrel (1), of the inner barrel (4) along the circumferential surface;
and the heat dissipation fins (8) are flaky and extend spirally along the outer wall of the outer cylinder (1).
2. The ball mill for cement production according to claim 1, characterized in that: the heat dissipation fins (8) are provided with a plurality of heat dissipation holes along the length direction.
3. The ball mill for cement production according to claim 2, characterized in that: and a fan (9) blowing air towards the outer wall of the outer barrel (1) is arranged on the base (2).
4. The ball mill for cement production according to claim 1, characterized in that: the inner wall of urceolus (1) sets up heat exchange fin (10), heat exchange fin (10) comprise along urceolus (1) length direction evenly distributed's multichannel annular piece.
5. The ball mill for cement production according to claim 4, characterized in that: the annular sheets are arranged in a corrugated configuration.
6. The ball mill for cement production according to claim 1, characterized in that: the outer cylinder (1) and the inner cylinder (4) are arranged in a manner of being high in left and low in right and inclined, a circular partition board (11) is arranged in the inner cylinder (4), and the partition board (11) divides the inner cylinder (4) into a left ball grinding chamber and a right ball grinding chamber; partition panel (11) radially set up multichannel arc hole (12) along it, the width in arc hole (12) is greater than the aperture of sieve mesh.
7. The ball mill for cement production according to claim 6, characterized in that: the arc-shaped holes (12) are uniformly provided with a plurality of groups along the circumferential direction of the partition plate (11).
8. The ball mill for cement production according to claim 7, characterized in that: a plurality of brush blocks (13) are arranged on one surface of the partition plate (11) facing the feeding end, and each brush block (13) corresponds to one group of arc-shaped holes (12); brush piece (13) along the radial extension of partition (11), and set up multichannel and arc hole (12) complex broach (14) along length direction, brush piece (13) are close to the one end at partition (11) middle part and are articulated with partition (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922124551.XU CN211359037U (en) | 2019-12-02 | 2019-12-02 | Ball mill for cement production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922124551.XU CN211359037U (en) | 2019-12-02 | 2019-12-02 | Ball mill for cement production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211359037U true CN211359037U (en) | 2020-08-28 |
Family
ID=72166959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922124551.XU Expired - Fee Related CN211359037U (en) | 2019-12-02 | 2019-12-02 | Ball mill for cement production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211359037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007279A (en) * | 2022-07-11 | 2022-09-06 | 南通米乐智能家居有限公司 | Ball mill for ceramic bathroom manufacturing |
-
2019
- 2019-12-02 CN CN201922124551.XU patent/CN211359037U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007279A (en) * | 2022-07-11 | 2022-09-06 | 南通米乐智能家居有限公司 | Ball mill for ceramic bathroom manufacturing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |