CN114178001B - Horizontal fine grinding machine - Google Patents
Horizontal fine grinding machine Download PDFInfo
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- CN114178001B CN114178001B CN202111315736.4A CN202111315736A CN114178001B CN 114178001 B CN114178001 B CN 114178001B CN 202111315736 A CN202111315736 A CN 202111315736A CN 114178001 B CN114178001 B CN 114178001B
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- Prior art keywords
- wall surface
- horizontal
- peripheral wall
- horizontal cylinder
- shaft
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- 238000000227 grinding Methods 0.000 title claims abstract description 81
- 230000002093 peripheral effect Effects 0.000 claims description 43
- 238000000926 separation method Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 29
- 230000000694 effects Effects 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000003245 coal Substances 0.000 description 15
- 239000002002 slurry Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000007599 discharging Methods 0.000 description 7
- 239000000945 filler Substances 0.000 description 6
- 239000003250 coal slurry Substances 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/163—Stirring means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/184—Discharging devices combined with sorting or separating of material with separator arranged in discharge path of crushing zone
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a horizontal fine grinding machine, which comprises: horizontal barrel, grinding component and separating component, horizontal barrel has first end and second end, horizontal barrel's first end is equipped with the discharge gate, horizontal barrel's second end has the feed inlet, grinding component includes drive part, cantilever axle and a plurality of abrasive disc, the cantilever axle with drive part links to each other, the cantilever axle stretch into in the horizontal barrel and with horizontal barrel's first end pivotally connected, a plurality of abrasive disc are located in the horizontal barrel and the interval is arranged on the cantilever axle, separating component is located in the horizontal barrel, separating component locates the cantilever axle is adjacent one side of horizontal barrel's first end, the discharge gate with separating component's inside intercommunication. The horizontal fine grinding machine has the advantages of good sealing effect and high production efficiency.
Description
Technical Field
The invention relates to the technical field of coal slurry grinding, in particular to a horizontal fine grinding machine.
Background
The water-coal slurry is a coal-based liquid fuel and gasification raw material prepared from coal, water and additives according to a certain proportion, can be used as liquid fuel for replacing coal and oil for combustion of industrial and power station boilers, can be used as gasification raw material for preparing synthetic gas by gasifying the water-coal slurry, and then is used for synthesizing chemical products such as ammonia, methanol, olefin, oil products, natural gas and the like through subsequent processes. In the preparation process, the coal water slurry is required to be ground by a fine grinder, but the fine grinder in the related technology has poor sealing effect and lower production efficiency.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the embodiment of the invention provides the horizontal fine mill with good sealing effect and high production efficiency.
A horizontal fine mill according to an embodiment of the present invention includes: the horizontal cylinder is provided with a first end and a second end, the first end of the horizontal cylinder is provided with a discharge hole, and the second end of the horizontal cylinder is provided with a feed inlet; the grinding assembly comprises a driving part, a cantilever shaft and a plurality of grinding discs, wherein the cantilever shaft is connected with the driving part, extends into the horizontal cylinder and is pivotally connected with the first end of the horizontal cylinder, and the grinding discs are positioned in the horizontal cylinder and are distributed on the cantilever shaft at intervals; the separation assembly is positioned in the horizontal cylinder body, the separation assembly is arranged on one side, adjacent to the first end of the horizontal cylinder body, of the cantilever shaft, and the discharge hole is communicated with the inside of the separation assembly.
According to the horizontal fine grinding machine provided by the embodiment of the invention, the separation assembly is arranged on one side of the cantilever shaft adjacent to the first end of the horizontal cylinder body, so that the separation assembly is opposite to the pivotal positions of the cantilever shaft and the horizontal cylinder body, the leakage probability of materials in the horizontal cylinder body from the pivotal positions of the cantilever shaft and the horizontal cylinder body is reduced, and the sealing effect of the horizontal fine grinding machine is improved. In addition, the horizontal fine mill provided by the embodiment of the invention adopts a reverse feeding and discharging mode, so that the movement path of the coal water slurry and the grinding medium in the horizontal fine mill can be optimized, the grinding effect of the coal water slurry is improved, and the production efficiency is higher.
In some embodiments, the horizontal fine mill further comprises a seal assembly disposed between the cantilevered shaft and the first end of the horizontal barrel, at least a portion of the rotary seal member being located within the separation assembly.
In some embodiments, the separation assembly comprises an impeller member and a separation screen, the impeller member is connected with the cantilever shaft, the separation screen is connected with the first end of the horizontal cylinder and is arranged in the impeller member, the outer peripheral wall of the separation screen is opposite to the inner peripheral wall of the impeller member, a discharge channel is defined between the inner peripheral wall of the separation screen and the rotary sealing member, and the discharge channel is communicated with the discharge port.
In some embodiments, the separating screen comprises a first peripheral wall and a second peripheral wall, the first peripheral wall and the second peripheral wall are arranged at intervals along the radial direction of the cantilever shaft so as to form an annular cavity, the first peripheral wall is positioned on the outer side of the second peripheral wall, sieve holes are formed in the first peripheral wall, the first peripheral wall is opposite to the inner peripheral wall of the impeller component, the second peripheral wall and the rotary sealing component define the discharge channel therebetween, and the annular cavity is communicated with the discharge channel.
In some embodiments, the impeller member includes a ring member and a plurality of impellers coupled to the ring member, the plurality of impellers being spaced apart along a circumference of the ring member.
In some embodiments, the seal assembly includes a first seal seat, a first shaft sleeve, and a filler layer, the first shaft sleeve is sleeved on the cantilever shaft, the first seal seat is sleeved on the first shaft sleeve, the first seal seat is connected with the first end of the horizontal cylinder, and the filler layer is disposed between the first seal seat and the first shaft sleeve.
In some embodiments, the seal assembly further comprises a second seal seat, the second seal seat is sleeved on the cantilever shaft, the second seal seat is located in the horizontal cylinder and is abutted to the first seal seat, and the discharge channel is defined between the inner peripheral wall of the separation screen and the second seal seat.
In some embodiments, the grinding disc is provided with a shaft hole and a hollow hole, the axis of the shaft hole coincides with the axis of the grinding disc, the hollow hole is provided with a first wall surface and a second wall surface, the first wall surface and the second wall surface are opposite to each other along the circumferential direction of the grinding disc and are arranged at intervals, and in a cross section orthogonal to the axial direction of the grinding disc, the projected curvature radius of the first wall surface is larger than the projected curvature radius of the second wall surface.
In some embodiments, the hollowed hole further has a third wall surface and a fourth wall surface, the third wall surface and the fourth wall surface are oppositely arranged along the radial direction of the grinding disc, the third wall surface is adjacent to the rotation center of the grinding disc compared with the fourth wall surface, and the third wall surface and the fourth wall surface are arc-shaped surfaces protruding towards the direction away from the rotation center of the grinding disc.
In some embodiments, the plurality of hollow holes are arranged uniformly and at intervals along the axis of the shaft hole.
Drawings
Fig. 1 is a cross-sectional view of a horizontal fine mill according to an embodiment of the invention.
Fig. 2 is a partial schematic view of a horizontal fine mill according to an embodiment of the invention.
Fig. 3 is a schematic view of the grinding pan of the horizontal fine grinder of an embodiment of the present invention.
Reference numerals:
1. a horizontal cylinder; 11. a feed inlet; 12. a discharge port;
2. a grinding assembly; 21. a driving part; 22. a cantilever shaft; 23. a grinding disc; 231. a shaft hole; 232. a hollowed hole; 2321. a first wall surface; 2322. a second wall surface; 2323. a third wall surface; 2324. a fourth wall surface;
3. a separation assembly; 31. an impeller member; 311. a ring member; 312. an impeller; 32. a separation sieve; 321. a first peripheral wall; 322. a second peripheral wall; 323. an annular cavity; 324. a discharge channel;
4. a seal assembly; 41. a first seal seat; 42. a first sleeve; 43. a filler layer; 44. and a second sealing seat.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, 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 invention and should not be construed as limiting the invention.
A horizontal fine mill according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a horizontal fine mill according to an embodiment of the present invention includes: a horizontal cylinder 1, a grinding assembly 2 and a separating assembly 3. The horizontal cylinder 1 is provided with a first end and a second end, the first end (such as the right end of the horizontal cylinder 1 in fig. 1) of the horizontal cylinder 1 is provided with a discharge hole 12, the second end (such as the left end of the horizontal cylinder 1 in fig. 1) of the horizontal cylinder 1 is provided with a feed hole 11, the grinding component 2 comprises a driving component 21, a cantilever shaft 22 and a plurality of grinding disks 23, the cantilever shaft 22 is connected with the driving component 21, the cantilever shaft 22 stretches into the horizontal cylinder 1 and is pivotally connected with the first end of the horizontal cylinder 1, the plurality of grinding disks 23 are positioned in the horizontal cylinder 1 and are distributed on the cantilever shaft 22 at intervals, the separation component 3 is positioned in the horizontal cylinder 1, the separation component 3 is arranged on one side of the cantilever shaft 22 adjacent to the first end of the horizontal cylinder 1, and the discharge hole 12 is communicated with the inside of the separation component 3.
According to the horizontal fine grinding machine of the embodiment of the invention, the separating assembly 3 is arranged on one side of the cantilever shaft 22 adjacent to the first end of the horizontal cylinder body 1, so that the separating assembly 3 is opposite to the pivotal positions of the cantilever shaft 22 and the horizontal cylinder body 1, the probability of leakage of materials in the horizontal cylinder body 1 from the pivotal positions of the cantilever shaft 22 and the horizontal cylinder body 1 is reduced, the materials in the horizontal cylinder body 1 can be thrown to the inner peripheral wall of the horizontal cylinder body 1 under the action of the centrifugal force of the separating assembly 3, the materials such as coal water slurry or grinding media are prevented from accumulating at the pivotal positions of the cantilever shaft 22 and the horizontal cylinder body 1, the problem of leakage of the materials from the pivotal positions of the cantilever shaft 22 and the horizontal cylinder body 1 is further avoided, and the sealing effect of the horizontal fine grinding machine is improved. In addition, the horizontal fine mill provided by the embodiment of the invention adopts a reverse feeding and discharging mode, so that the movement path of the coal water slurry and the grinding medium in the horizontal fine mill can be optimized, the grinding effect of the coal water slurry is improved, and the production efficiency is higher.
It will be appreciated that the separating assembly 3 of the horizontal fine mill in the related art is disposed at the free end of the cantilever shaft 22, so that the leakage of the material from the pivotal position of the cantilever shaft 22 and the horizontal cylinder 1 is easily caused, while the horizontal fine mill according to the embodiment of the present invention can ensure the better sealing effect of the horizontal fine mill and improve the grinding and separating efficiency of the horizontal fine mill by disposing the separating assembly 3 at the end of the cantilever shaft 22 adjacent to the pivotal position of the horizontal cylinder 1, i.e. the material enters from the left end of the horizontal cylinder 1, then starts grinding in the left-to-right direction, and finally the material is discharged from the right end of the horizontal cylinder 1 after being separated by the separating assembly 3.
Further, as shown in fig. 2, the horizontal fine mill further comprises a seal assembly 4, the seal assembly 4 being provided between the cantilever shaft 22 and the first end of the horizontal cylinder 1, at least part of the rotary seal being located within the separation assembly 3. The horizontal fine grinding machine of the embodiment of the invention can further prevent the problem of material leakage in the horizontal cylinder 1 by arranging the sealing component 4 between the cantilever shaft 22 and the first end of the horizontal cylinder 1, and further improves the sealing performance of the horizontal fine grinding machine.
Specifically, as shown in fig. 1 and 2, the separation assembly 3 includes an impeller 312 part 31 and a separation screen 32, the impeller 312 part 31 is connected with the cantilever shaft 22, the separation screen 32 is connected with a first end of the horizontal cylinder 1 (e.g., a right end of the horizontal cylinder 1 in fig. 2) and is disposed in the impeller 312 part 31, an outer circumferential wall of the separation screen 32 is opposite to an inner circumferential wall of the impeller 312 part 31, a discharge passage 324 is defined between the inner circumferential wall of the separation screen 32 and the rotary sealing part, and the discharge passage 324 is communicated with the discharge port 12. It will be appreciated that the impeller 312 members 31 are coaxially and spaced apart from the separating screen 32. When the cantilever shaft 22 works, the cantilever shaft 22 drives the impeller 312 part 31 to rotate, the impeller 312 part 31 stirs and separates the coal water slurry and the grinding medium, the ground coal water slurry can enter the separating screen 32 and is discharged from the discharge port 12 after being guided by the discharge channel 324, and the horizontal fine grinding machine in the embodiment of the invention can further improve the sealing effect of the pivoted positions of the cantilever shaft 22 and the horizontal cylinder 1 by arranging the separating component 3 into the structure, and optimize the structural layout of the internal parts of the horizontal fine grinding machine, so that the grinding efficiency of the horizontal fine grinding machine is greatly improved.
Further, as shown in fig. 2, the impeller 312 member 31 includes a ring member 311 and a plurality of impellers 312, the impellers 312 being connected to the ring member 311, the plurality of impellers 312 being arranged at intervals along the circumferential direction of the ring member 311. The separating screen 32 comprises a first peripheral wall 321 and a second peripheral wall 322, the first peripheral wall 321 and the second peripheral wall 322 are arranged at intervals along the radial direction of the cantilever shaft 22 to form an annular cavity 323, the first peripheral wall 321 is positioned outside the second peripheral wall 322, sieve holes are formed in the first peripheral wall 321, the first peripheral wall 321 is opposite to the inner peripheral wall of the impeller 312 part 31, a discharging channel 324 is defined between the second peripheral wall 322 and the rotary sealing part, and the annular cavity 323 is communicated with the discharging channel 324. It will be appreciated that the water-coal-slurry separated by the rotation of the impeller 312 enters the annular cavity 323 through the sieve holes on the first peripheral wall 321, and then flows out of the horizontal cylinder 1 through the discharging channel 324, so that the discharging efficiency of the water-coal-slurry is improved.
In some embodiments, as shown in fig. 2, the sealing assembly 4 includes a first sealing seat 41, a first shaft sleeve 42 and a filler layer 43, the first shaft sleeve 42 is sleeved on the cantilever shaft 22, the first sealing seat 41 is sleeved on the first shaft sleeve 42, the first sealing seat 41 is connected with the first end of the horizontal cylinder 1, and the filler layer 43 is disposed between the first sealing seat 41 and the first shaft sleeve 42. The horizontal fine grinding machine of the embodiment of the invention can avoid the problem of leakage of grinding media or grinding slurry from the pivot position between the cantilever shaft 22 and the horizontal cylinder 1 by arranging the first sealing seat 41, the first shaft sleeve 42 and the packing layer 43 at the pivot position between the cantilever shaft 22 and the horizontal cylinder 1, so that the sealing effect of the pivot position between the cantilever shaft 22 and the horizontal cylinder 1 is better, and the service life is longer.
Further, as shown in fig. 2, the sealing assembly 4 further includes a second sealing seat 44, the second sealing seat 44 is sleeved on the cantilever shaft 22, the second sealing seat 44 is located in the horizontal cylinder 1 and abuts against the first sealing seat 41, and a discharging channel 324 is defined between the inner peripheral wall of the separating screen 32 and the second sealing seat 44. The horizontal fine grinding machine of the embodiment of the invention can initially block the materials flowing into the filler layer 43 by arranging the second sealing seat 44, thereby improving the integral sealing performance of the horizontal fine grinding machine.
In some embodiments, as shown in fig. 3, the grinding disc 23 is provided with a hollow hole 232 and a shaft hole 231, the cantilever shaft 22 passes through the shaft hole 231, the axis of the shaft hole 231 coincides with the axis of the grinding disc 23, the hollow hole 232 has a first wall surface 2321 and a second wall surface 2322, and the first wall surface 2321 and the second wall surface 2322 are opposite and spaced along the circumferential direction of the grinding disc 23. In a cross section orthogonal to the axial direction of the polishing pad 23, both the projection of the first wall 2321 and the projection of the second wall 2322 are arc-shaped, and the radius of curvature of the projection of the first wall 2321 is larger than that of the projection of the second wall 2322.
According to the horizontal fine grinding machine of the embodiment of the invention, the first wall surface 2321 and the second wall surface 2322 are opposite and spaced along the circumferential direction of the grinding disc 23, so that when the grinding disc 23 rotates, the first wall surface 2321 of the hollow hole 232 firstly enters the material compared with the second wall surface 2322, the projected curvature radius of the first wall surface 2321 is larger than that of the second wall surface 2322, the material flowing out of the hollow hole 232 is faster than that entering the hollow hole 232, and the stirring and mixing efficiency of the coal water slurry and the grinding medium is accelerated, so that the grinding of the coal water slurry is more sufficient, and the production efficiency is higher.
In some embodiments, as shown in fig. 3, in a cross-section orthogonal to the axial direction of the abrasive disk 23, the projection of the first wall 2321 is an arc of a circle, and/or the projection of the second wall 2322 is an arc of a circle. Alternatively, only the first wall 2321 is an arc surface, alternatively, only the second wall 2322 is an arc surface.
Preferably, the first wall surface 2321 and the second wall surface 2322 are both arc surfaces. It can be appreciated that the first wall 2321 and the second wall 2322 have constant curvature radius, so that the speed of the coal water slurry and the grinding medium entering the hollow hole 232 and flowing out of the hollow hole 232 is uniform, the grinding effect of the coal water slurry is improved, and the structural design of the hollow hole 232 is reasonable due to the fact that the first wall 2321 and the second wall 2322 are arc surfaces, and the hollow hole 232 is convenient to process and manufacture.
In some embodiments, as shown in fig. 3, the hollowed out hole 232 further has a third wall 2323 and a fourth wall 2324, where the third wall 2323 and the fourth wall 2324 are opposite and spaced apart along the radial direction of the grinding disc 23, and the third wall 2323 is adjacent to the rotation center of the grinding disc 23 compared to the fourth wall 2324, and each of the third wall 2323 and the fourth wall 2324 is an arc surface protruding toward a direction away from the rotation center of the grinding disc 23. It can be appreciated that the first wall 2321, the third wall 2323, the second wall 2322 and the fourth wall 2324 are connected end to enclose an inner wall of the hollowed-out hole 232. The horizontal fine grinding machine of the embodiment of the present invention can further improve the grinding effect of the grinding disk 23 by providing the third wall 2323 and the fourth wall 2324 as arc surfaces protruding toward the direction away from the rotation center of the grinding disk 23.
Further, as shown in fig. 3, the plurality of hollow holes 232 are plural, and at least some of the plurality of hollow holes 232 are uniformly and alternately arranged along the axis of the shaft hole 231. For example, the number of the hollowed holes 232 is three, and the three hollowed holes 232 are uniformly and alternately arranged along the axis of the shaft hole 231. According to the horizontal fine grinding machine, the plurality of hollow holes 232 which are uniformly distributed are arranged, so that grinding media in the grinding cylinder are distributed more uniformly, and the grinding effect of the grinding disc 23 is improved.
In the description of the present invention, 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 invention 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 invention.
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 invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, 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 invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, 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 invention. 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 embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (8)
1. A horizontal fine mill, comprising:
the horizontal cylinder is provided with a first end and a second end, the first end of the horizontal cylinder is provided with a discharge hole, and the second end of the horizontal cylinder is provided with a feed inlet;
the grinding assembly comprises a driving part, a cantilever shaft and a plurality of grinding discs, wherein the cantilever shaft is connected with the driving part, extends into the horizontal cylinder and is pivotally connected with the first end of the horizontal cylinder, and the grinding discs are positioned in the horizontal cylinder and are distributed on the cantilever shaft at intervals;
the separation assembly is positioned in the horizontal cylinder body, the separation assembly is arranged on one side of the cantilever shaft adjacent to the first end of the horizontal cylinder body, and the discharge hole is communicated with the inside of the separation assembly;
the grinding disc is provided with a shaft hole and a hollowed hole, the axis of the shaft hole coincides with the axis of the grinding disc, the hollowed hole is provided with a first wall surface and a second wall surface, the first wall surface and the second wall surface are opposite to each other along the circumferential direction of the grinding disc and are arranged at intervals, and in a cross section orthogonal to the axial direction of the grinding disc, the projected curvature radius of the first wall surface is larger than the projected curvature radius of the second wall surface, so that the material flowing out of the hollowed hole is faster than the material entering into the hollowed hole; the first wall surface and the second wall surface are arc surfaces;
the hollow hole is further provided with a third wall surface and a fourth wall surface, the third wall surface and the fourth wall surface are oppositely arranged along the radial direction of the grinding disc, the third wall surface is close to the rotation center of the grinding disc compared with the fourth wall surface, and the third wall surface and the fourth wall surface are arc-shaped surfaces protruding towards the direction away from the rotation center of the grinding disc.
2. The horizontal fine mill of claim 1 further comprising a seal assembly disposed between the cantilevered shaft and the first end of the horizontal barrel, at least a portion of the rotary seal member being located within the separation assembly.
3. The horizontal fine mill according to claim 2, wherein the separation assembly comprises an impeller member connected to the cantilever shaft and a separation screen connected to the first end of the horizontal cylinder and disposed within the impeller member, an outer peripheral wall of the separation screen being opposed to an inner peripheral wall of the impeller member, a discharge passage being defined between the inner peripheral wall of the separation screen and the rotary seal member, the discharge passage being in communication with the discharge port.
4. A horizontal fine mill according to claim 3, wherein the separating screen comprises a first peripheral wall and a second peripheral wall, the first peripheral wall and the second peripheral wall being arranged at intervals in the radial direction of the cantilever shaft so as to enclose an annular cavity, the first peripheral wall being located outside the second peripheral wall, the first peripheral wall being provided with mesh openings, the first peripheral wall being opposed to the inner peripheral wall of the impeller member, the second peripheral wall and the rotary seal member defining the discharge channel therebetween, the annular cavity being in communication with the discharge channel.
5. A horizontal fine mill according to claim 3, wherein the impeller member comprises a ring member and a plurality of impellers connected to the ring member, the plurality of impellers being circumferentially spaced apart along the ring member.
6. The horizontal fine mill according to claim 3, wherein the seal assembly comprises a first seal seat, a first shaft sleeve and a packing layer, the first shaft sleeve is sleeved on the cantilever shaft, the first seal seat is sleeved on the first shaft sleeve, the first seal seat is connected with the first end of the horizontal cylinder, and the packing layer is arranged between the first seal seat and the first shaft sleeve.
7. The horizontal fine mill according to claim 6, wherein the seal assembly further comprises a second seal seat sleeved on the cantilever shaft, the second seal seat being located in the horizontal cylinder and abutting against the first seal seat, and the discharge channel being defined between an inner peripheral wall of the separation screen and the second seal seat.
8. The horizontal fine grinding machine according to claim 1, wherein the plurality of hollow holes are provided, and at least part of the plurality of hollow holes are uniformly and at intervals arranged along the axis of the shaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111315736.4A CN114178001B (en) | 2021-11-08 | 2021-11-08 | Horizontal fine grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111315736.4A CN114178001B (en) | 2021-11-08 | 2021-11-08 | Horizontal fine grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114178001A CN114178001A (en) | 2022-03-15 |
| CN114178001B true CN114178001B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111315736.4A Active CN114178001B (en) | 2021-11-08 | 2021-11-08 | Horizontal fine grinding machine |
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| CN (1) | CN114178001B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201807408U (en) * | 2010-09-15 | 2011-04-27 | 湘潭陈氏精密化学有限公司 | Grinding plate for grinder |
| CN209379108U (en) * | 2018-09-26 | 2019-09-13 | 安徽儒特实业有限公司 | A kind of stable sand mill of efficient performance |
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| JP2005270780A (en) * | 2004-03-24 | 2005-10-06 | Mitsui Mining Co Ltd | Dry type media stirring type crushing machine |
| CN103657799B (en) * | 2013-12-19 | 2016-06-15 | 深圳市博亿化工机械有限公司 | Stirring-type grinding distribution device and lapping device |
| ES2698254T3 (en) * | 2016-10-18 | 2019-02-01 | Bachofen Willy A Ag | Ball mill with stirring mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201807408U (en) * | 2010-09-15 | 2011-04-27 | 湘潭陈氏精密化学有限公司 | Grinding plate for grinder |
| CN209379108U (en) * | 2018-09-26 | 2019-09-13 | 安徽儒特实业有限公司 | A kind of stable sand mill of efficient performance |
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