CN112958231A - Ball mill discharge end structure and ball mill cylinder - Google Patents
Ball mill discharge end structure and ball mill cylinder Download PDFInfo
- Publication number
- CN112958231A CN112958231A CN202110217857.9A CN202110217857A CN112958231A CN 112958231 A CN112958231 A CN 112958231A CN 202110217857 A CN202110217857 A CN 202110217857A CN 112958231 A CN112958231 A CN 112958231A
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- ball mill
- sieve
- end structure
- sieve plate
- strips
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- 238000010408 sweeping Methods 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims description 36
- 238000007599 discharging Methods 0.000 claims description 34
- 239000011148 porous material Substances 0.000 claims description 17
- 230000033001 locomotion Effects 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000003756 stirring Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000012216 screening Methods 0.000 description 11
- 238000005381 potential energy Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- 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
- B02C17/1855—Discharging devices combined with sorting or separating of material with separator defining termination of crushing zone, e.g. screen denying egress of oversize material
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- 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
- B02C17/10—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 with one or a few disintegrating members arranged in the container
-
- 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
- B02C17/186—Adding fluid, other than for crushing by fluid energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/54—Cleaning with beating devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a discharge end structure of a ball mill, which comprises a base body, a sieve plate and a protruding strip. When the ball mill roller rolls, the sieve plate and the protruding strips can roll along with the ball mill roller in a circumferential mode, the protruding strips can stir part of grinding balls to be thrown upwards along the side face of the sieve plate and then fall down, and in the process that the grinding balls are thrown upwards and fall down, the grinding balls can perform sweeping movement without a fixed route along the feeding face of the sieve plate so as to impact and fall accumulated scales on sieve holes, the frequency of sieve hole blockage is reduced, the frequency of equipment maintenance is reduced, and the production efficiency of equipment is improved.
Description
Technical Field
The invention relates to the technical field of ball mills, in particular to a ball mill discharging end structure.
Background
The ball mill is a common material refining and grinding device. It is widely used in the production industries of cement, ceramic raw materials, refractory materials and the like. The basic working mode is that a certain amount of high-alumina ballstones, medium-alumina ballstones, cobblestones or other hard substances are loaded into a roller of the ball mill to serve as grinding bodies, then raw materials needing to be ground and refined are added, a lining plate in the roller drives the grinding bodies to roll, when the grinding bodies are driven to a certain height, the grinding bodies fall off under the action of gravity of the grinding bodies, the falling grinding bodies smash and refine the raw materials in the roller, and then the refined raw materials flow out through sieve holes in a sieve plate at the tail end of the roller. However, the sieve holes on the sieve plate in the drum of the existing ball mill are often blocked by raw materials, and even the phenomenon of accumulation and scaling occurs, so that the equipment needs to be frequently stopped, overhauled and maintained, and the production efficiency of the equipment is reduced.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a discharge end structure of a ball mill.
The technical scheme adopted by the invention for solving the problems is as follows:
according to one aspect of the invention, a discharge end structure of a ball mill is provided, which comprises a base body, a sieve plate and a raised strip; wherein, the sieve plate is provided with a plurality of sieve pores; the base body is provided with a discharge channel, the sieve plate is arranged on the base body, and the sieve holes are communicated with the discharge channel; the raised strips are arranged on the feeding side of the sieve plate in a raised mode, so that when the base body rotates, the raised strips form sweeping tracks on the feeding side of the sieve plate.
When the ball mill is used, the ball mill discharging end structure is arranged on the discharging end of the cylinder body of the ball mill roller through the base body, then raw materials and grinding balls are guided into the ball mill roller, the transmission system drives the ball mill roller to roll, water flow flowing to the ball mill discharging end structure is introduced into the ball mill roller (namely flows to the discharging end of the ball mill roller), when the ball mill roller rotates, the ball mill roller drives the grinding balls to roll in the ball mill roller, when the grinding balls are brought to a certain height, the grinding balls fall under the action of gravity of the grinding balls, gravitational potential energy is converted into kinetic potential energy, the grinding balls with the kinetic potential energy break and grind the raw materials, the raw materials can flow out of the sieve holes along with the water flow along the feeding direction of the sieve holes, and then flow out of the ball mill roller through the discharging channel on the base body; after long-time and repeated operation, part of raw materials can form accumulated scales on the sieve pores, if the accumulated scales are not cleaned in time, the sieve pores can be blocked, as shown in the figure and the drawing, because the sieve plate is provided with a plurality of sieve pores, and the convex strips are arranged on the feeding side of the sieve plate in a protruding way, when the base body rotates, the convex strips form a sweeping track on the feeding side of the sieve plate, when the roller of the ball mill rolls, the base body, the sieve plate and the convex strips on the base body can roll along the circumference of the roller of the ball mill, the convex strips rotating along the sweeping track can stir part of grinding balls to be thrown upwards along the side surface of the sieve plate and then fall down, and in the process of throwing and falling the grinding balls upwards, the grinding balls can perform sweeping movement without a fixed route along the feeding surface of the sieve plate, so as to impact and fall off the accumulated scales on the sieve pores, the frequency of blocking of the sieve pores is reduced, and the frequency of, the production efficiency of the equipment is improved.
In some embodiments, the raised strips are provided in plurality, and each raised strip is provided in a raised manner on the feed side of the screen plate.
Like this, through setting up a plurality of protruding strips, further strengthened stirring the probability and the frequency that the grinding ball carries out the brush motion along the charge-in surface of sieve, and then strengthened and cleared away the ability of piling up the scale deposit on the sieve mesh.
In some embodiments, the plurality of raised strips are combined to form at least one interstitial space, and some or all of the plurality of mesh openings are distributed in the interstitial space.
Therefore, when the roller of the ball mill rolls, part of grinding balls randomly enter the spacing space, the grinding balls are stirred by the convex strips to be thrown upwards, the grinding balls can be thrown to other convex strips with high probability, because the roller of the ball mill is in a rotating state, the angles between the convex strips and the throwing tracks of the grinding balls are changed, other convex strips can reversely eject the grinding balls at random angles, so that the grinding balls are ejected and thrown for many times, the grinding balls can complete a plurality of times of sweeping motions without fixed routes in the spacing space along the side surface of the sieve plate, the sweeping motion frequency of the grinding balls is increased, and the capacity of clearing away scales accumulated on sieve holes in the spacing space is enhanced.
In some embodiments, a plurality of spacing spaces are formed by combining a plurality of protruding strips, the plurality of protruding strips are arranged in a circular array, the spacing spaces are formed between any two adjacent protruding strips, and the plurality of sieve holes are distributed in the spacing spaces.
Like this, arrange through being circular array with a plurality of protruding strips, and be formed with the interval space between arbitrary two adjacent protruding strips, the interval space is by the centre gripping between two adjacent protruding strips, has realized promptly that a plurality of protruding strip combinations are formed with a plurality of interval spaces, in a ball mill cylinder roll stroke, the grinding ball has obtained more probably in the random access interval space, bounce back many times between two adjacent protruding strips is thrown, has further strengthened the ability of piling up the scale deposit on the clearance sieve mesh.
In some embodiments, a plurality of discharge channels are arranged on the substrate, the discharge channels are arranged in one-to-one correspondence with the spacing spaces, and the discharge channels are communicated with the sieve holes in the corresponding spacing spaces.
Like this, set up discharging channel through being equipped with a plurality ofly on the base member with the interval space one-to-one for the discharging channel that is located different interval spaces has solitary discharging channel, even the discharging channel that the sieve mesh corresponds in a certain interval space blocks up the back, can not influence sieve mesh and discharging channel in other interval spaces and normally work.
In some embodiments, the base includes a mounting bracket and an end cap body, the mounting bracket disposed on the end cap body; wherein, a plurality of discharging channels are arranged on the mounting rack; the end cover body is provided with a raw material outlet hole, and the discharge ends of the discharge channels are communicated with the raw material outlet hole.
Therefore, the ground raw materials respectively flow out through the plurality of discharge channels and then are gathered to the raw material outlet holes of the end cover body to flow out together.
In some embodiments, the screening plate includes a plurality of screening blocks, the screening blocks are disposed in one-to-one correspondence with the spacing spaces, the screening blocks are located in the corresponding spacing spaces, and the protruding strips separate two adjacent screening blocks.
In this way, the sieve plate is arranged to comprise a plurality of sieve blocks, the sieve blocks are arranged in one-to-one correspondence with the interval spaces, and the sieve blocks are positioned in the corresponding interval spaces; so that the sieve holes on different sieving blocks are arranged in the corresponding spacing spaces.
In some embodiments, the sieve mesh comprises an inlet and an outlet, the outlet is communicated with the discharging channel, and the inlet and the protruding strips are positioned on the same side of the sieve plate; the aperture of the sieve pore is set to be enlarged from the inlet to the outlet.
Like this, set up to by the import to export the enlargement through the bore with the sieve mesh, when the raw materials card of big granule goes into in the sieve mesh, through sweeping and striking of grinding ball, the raw materials is not hard up the back in the sieve mesh, can flow to the bigger export direction of bore more easily, finally flows from the export for the sieve mesh has the characteristics of difficult jam.
According to another aspect of the present invention, there is provided a ball mill bowl comprising a ball mill discharge end structure, a bowl, and a feed end structure; wherein, ball mill discharge end structure and feed end structure set up respectively at the barrel both ends.
When the ball mill roller rotates, the screen plate and the raised strips can roll along the ball mill roller, the raised strips can stir part of grinding balls to throw upwards along the side surface of the screen plate and then fall down, and in the process of throwing upwards and falling of the grinding balls, the grinding balls can perform brushing movement without a fixed route along the feeding surface of the screen plate so as to impact and fall accumulated scales on the screen holes, the frequency of screen hole blockage is reduced, and the maintenance frequency of equipment is reduced, the production efficiency of the equipment is improved.
In some embodiments, a rubber liner is further included, the rubber liner being disposed on the inner wall of the barrel.
Like this, through setting up the rubber lining on the inner wall of barrel, avoided the grinding ball to strike the inner wall of barrel and cause wearing and tearing.
Drawings
FIG. 1 is a schematic structural diagram of a discharge end structure of a ball mill according to an embodiment of the present invention;
FIG. 2 is a schematic view of the exploded structure of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is an enlarged view of a portion indicated by B in FIG. 4;
FIG. 6 is a schematic perspective view of the structure of FIG. 4;
FIG. 7 is a schematic structural view of a screen plate and a mounting frame in the discharge end structure of the ball mill shown in FIG. 1;
FIG. 8 is a schematic view of the exploded structure of FIG. 7;
FIG. 9 is a perspective view of FIG. 7 from another perspective;
FIG. 10 is a schematic view of the discharge end structure of the ball mill shown in FIG. 1 mounted on the bowl of the ball mill;
FIG. 11 is a front view of FIG. 10;
FIG. 12 is a cross-sectional view taken along line C-C of FIG. 11;
FIG. 13 is a schematic structural diagram of a discharge end structure of a ball mill in accordance with another embodiment of the present invention;
FIG. 14 is a schematic structural diagram of a discharge end structure of a ball mill according to still another embodiment of the present invention.
Wherein the reference numerals have the following meanings:
1. a substrate; 11. a discharge channel; 12. a mounting frame; 121. a beam plate; 122. sealing the skin; 13. an end cap body; 131. a raw material outlet; 2. a sieve plate; 21. screening blocks; 211. installing a sinking platform; 22. screening holes; 221. an inlet; 222. an outlet; 3. a raised strip; 4. a ball mill roller; 41. a barrel; 411. a rubber lining; 42. a feed end structure; 5. grinding balls; 6. raw materials; 7. an intervening space; 8. and (4) bolts.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example one
Referring to fig. 1-12, the present invention provides a discharge end structure of a ball mill, which comprises a base 1, a sieve plate 2 and raised strips 3; wherein, the sieve plate 2 is provided with a plurality of sieve pores 22; the base body 1 is provided with a discharge channel 11, the sieve plate 2 is arranged on the base body 1, and the sieve holes 22 are communicated with the discharge channel 11; the raised strips 3 are arranged convexly on the feed side of the sieve plate 2, so that when the base body 1 rotates, the raised strips 3 form a sweeping track on the feed side of the sieve plate 2. The sieve plate 2 comprises a feeding surface and a discharging surface, the feeding surface refers to the side surface of the sieve plate 2 facing the raw materials, the discharging surface refers to the side surface of the raw materials flowing out of the sieve plate 2, and the feeding side of the sieve plate 2 refers to the space range on one side of the feeding surface of the sieve plate 2; the raised strips 3 may be arranged directly on the feed surface of the screen plate 2, so that the raised strips 3 are arranged convexly on the feed side of the screen plate 2, or in other embodiments, the raised strips 3 may also be arranged on the base body 1 and the protrusions extend to the feed side of the screen plate 2. In detail, as shown in fig. 10 to 12, in the present embodiment, a ball mill roller 4 is further provided, which includes a discharge end structure of the ball mill, a cylinder 41 and a feed end structure 42; wherein, ball mill discharge end structure and feed end structure 42 set up respectively at barrel 41 both ends. When the ball mill roller 4 rolls, the screen plate 2 and the raised strips 3 can roll along the circumference of the ball mill roller 4, the raised strips 3 can stir part of grinding balls 5 to throw upwards along the side surface of the screen plate 2 and then fall down, and in the process that the grinding balls 5 throw upwards and fall down, the grinding balls 5 can carry out brushing movement without a fixed route along the feeding surface of the screen plate 2 to bump and fall off accumulated scales on the screen holes 22, the frequency of blockage of the sieve holes 22 is reduced, the frequency of equipment maintenance is reduced, and the production efficiency of the equipment is improved. Further, in the present embodiment, the ball mill drum 4 further includes a rubber lining 411, and the rubber lining 411 is provided on the inner wall of the cylinder 41. Thus, by disposing the rubber lining 411 on the inner wall of the cylinder 41, abrasion of the grinding balls 5 by impact against the inner wall of the cylinder 41 is avoided.
When in use, the discharge end structure of the ball mill is arranged on the discharge end of the cylinder body 41 of the ball mill roller 4 through the substrate 1, then the raw material 6 and the grinding balls 5 are led into the ball mill roller 4, the transmission system drives the ball mill roller 4 to roll, simultaneously, water flow flowing to the discharging end structure of the ball mill is introduced into the ball mill roller 4 (namely flows to the discharging end of the ball mill roller 4), when the ball mill roller 4 rotates, the ball mill roller 4 drives the grinding balls 5 to roll in the ball mill roller 4, when the grinding balls 5 are brought to a certain height, the grinding balls 5 fall under the action of gravity of the grinding balls 5, the gravitational potential energy is converted into kinetic potential energy, the grinding balls 5 with the kinetic potential energy break and grind the raw materials 6 after falling, the raw materials 6 flow out of the sieve pores 22 along the feeding direction of the sieve pores 22 along with water flow, and then flow out of the ball mill roller 4 through the discharge channel 11 on the base body 1; after long-time and multiple operation, part of the raw materials 6 can form accumulated scales on the sieve holes 22, if the accumulated scales are not cleaned in time, the sieve holes 22 can be blocked, as shown in fig. 4 and 5, because the sieve plate 2 is provided with a plurality of sieve holes 22 and the convex strips 3 are convexly arranged on the feeding side of the sieve plate 2, when the base body 1 rotates, the convex strips 3 form a sweeping track on the feeding side of the sieve plate 2, when the ball mill roller 4 rolls, the base body 1 and the sieve plate 2 and the convex strips 3 on the base body 1 can roll along the circumference of the ball mill roller 4, the convex strips 3 rotating along the sweeping track can stir part of the grinding balls 5 to be thrown upwards along the side surface of the sieve plate 2 and then fall down, and in the process of throwing and falling the grinding balls 5 upwards, the grinding balls 5 can perform sweeping movement without a fixed route along the feeding surface of the sieve plate 2, so as to impact and fall the accumulated scales on the sieve holes 22, the frequency of blockage of the sieve holes 22 is reduced, the frequency of equipment maintenance is reduced, and the production efficiency of the equipment is improved.
In detail, in this embodiment, the protruding strip 3 is provided with a plurality of, and a plurality of protruding strips 3 are all protruding to be set up in the feed side of sieve 2. Like this, through setting up a plurality of protruding strips 3, further strengthened stirring grinding ball 5 and carry out the probability and the frequency of brush motion along the charge-in surface of sieve 2, and then strengthened the ability of piling up the scale deposit on cleaing away the sieve mesh 22.
Further, as shown in fig. 3, in the present embodiment, the plurality of protruding strips 3 are combined to form at least one spacing space 7, that is, at least two protruding strips 3 are arranged in a parallel or non-parallel manner to form the spacing space 7, and part or all of the plurality of sieve holes 22 are distributed in the spacing space 7. Thus, when the ball mill roller 4 rolls, part of the grinding balls 5 randomly enter the spacing space 7, the grinding balls 5 are stirred by the convex strips 3 to be thrown upwards, the grinding balls 5 are thrown to other convex strips 3 with high probability, because the ball mill roller 4 is in a rotating state, the angle between the convex strips 3 and the throwing tracks of the grinding balls 5 is changed, other convex strips 3 can eject the grinding balls 5 at random angles again, so that the grinding balls 5 are ejected and thrown for many times, the grinding balls 5 can complete a plurality of times of sweeping motions without fixed routes in the spacing space 7 along the side surface of the screen plate 2, the sweeping motion frequency of the grinding balls 5 is increased, and the capability of clearing away scales accumulated on the screen holes 22 in the spacing space 7 is enhanced.
As shown in fig. 3 to 9, specifically, in the present embodiment, a plurality of spacing spaces 7 are formed by combining a plurality of protruding strips 3, the plurality of protruding strips 3 are arranged in a circular array, the spacing spaces 7 are formed between any two adjacent protruding strips 3, and a plurality of sieve holes 22 are distributed in the plurality of spacing spaces 7. In detail, the plurality of convex strips 3 are arranged in a circular array to form a radial wheel shape. Like this, arrange through being circular array with a plurality of protruding strip 3, and be formed with interval space 7 between two arbitrary adjacent protruding strip 3, interval space 7 is by the centre gripping between two adjacent protruding strip 3, realized promptly having formed a plurality of interval spaces 7 with a plurality of protruding strip 3 combinations, in a ball mill cylinder 4 roll stroke, grinding ball 5 has obtained more probably to enter into interval space 7 at random, bounce back many times between two adjacent protruding strip 3 and throw, has further strengthened the ability of cleaing away the scale deposit on the sieve mesh 22 like this.
As shown in fig. 7 to 9, in the present embodiment, a plurality of discharging channels 11 are provided on the base 1, the discharging channels 11 are disposed in one-to-one correspondence with the spacing spaces 7, and the discharging channels 11 are communicated with the sieve holes 22 in the corresponding spacing spaces 7. Like this, through be equipped with a plurality ofly on base member 1 and set up discharging channel 11 with compartment 7 one-to-one for the discharge channel 22 that is located different compartment 7 has solitary discharging channel 11, even discharge channel 11 that the sieve pore 22 in a certain compartment 7 corresponds blocks up the back, can not influence sieve pore 22 and the discharge channel 11 normal work in other compartment 7 yet. In detail, in the present embodiment, the specific structure of providing the plurality of discharging channels 11 on the substrate 1 is as follows: the base body 1 comprises a mounting frame 12 and an end cover body 13, wherein the mounting frame 12 is arranged on the end cover body 13; wherein, a plurality of discharging channels 11 are arranged on the mounting frame 12; the end cover body 13 is provided with a raw material outlet 131, and the discharge ends of the discharge channels 11 are communicated with the raw material outlet 131. The plurality of discharging channels 11 are arranged in a circular array like the plurality of protruding strips 3, and the end cover body 13 is used for being assembled and connected with the cylinder body 41 of the ball mill roller 4. The raw material 6 thus ground and refined flows out through the plurality of discharge channels 11, and then flows out together with the raw material outlet 131 collected in the end cap body 13. In this embodiment, a rubber layer is further attached to the periphery of the end cap 13 to prevent the grinding balls 5 from wearing the end cap 13 due to impact.
As shown in fig. 7 to 9, in the present embodiment, the screen plate 2 includes a plurality of screen blocks 21, the screen blocks 21 and the spacing spaces 7 are disposed in a one-to-one correspondence, the screen blocks 21 are located in the corresponding spacing spaces 7, and the protruding strips 3 separate two adjacent screen blocks 21. In this way, by arranging the sieve plate 2 to include a plurality of sieve blocks 21, and arranging the sieve blocks 21 in one-to-one correspondence with the plurality of spacing spaces 7, the sieve blocks 21 are located in the corresponding spacing spaces 7; so that the screening holes 22 located on different screening blocks 21 are arranged in the corresponding interspaces 7. In detail, in this embodiment, the specific structure of the protrusion strip 3 disposed on the feeding side of the sieve plate 2 is: the screen plate 2 is formed by splicing a plurality of fan-shaped screen blocks 21, the screen plate 2 is circular, sinking platforms are arranged on two sides of each screen block 21, the sinking platforms of two adjacent screen blocks 21 are spliced together to form an installation sinking platform 211, the convex strips 3 are tightly pressed on the installation sinking platform 211, a plurality of cross beam plates 121 for supporting the installation sinking platform 211 are arranged on the installation frame 12, and then the convex strips 3 are locked on the cross beam plates 121 of the installation frame 12 through bolts 8, namely the screen plate 2 consisting of the screen blocks 21 is locked and installed on the installation frame 12; when the sieve pore 22 on a certain sieve block 21 blocks or the discharge channel 11 corresponding to the sieve block 21 blocks, only the sieve block 21 needs to be detached for maintenance and cleaning, and the whole sieve plate 2 does not need to be detached, so that convenience is brought to maintenance. It is noted that in the present embodiment, the mounting frame 12 includes a plurality of beam plates 121 and a sealing skin 122; the plurality of beam plates 121 are circularly arranged in rows and combined, and the sealing skin 122 hermetically wraps the peripheral sides of the plurality of beam plates 121, so that the space between two adjacent beam plates 121 and the sealing skin 122 are combined to form the discharging channel 11 with two through ends. In other embodiments, the raised strips 3 may also be arranged directly on the base body 1, and the screening blocks 21 on the screening deck 2 are locked to the base body 1 by screws.
As shown in fig. 4 and 5, in the present embodiment, the sieve opening 22 includes an inlet 221 and an outlet 222, the outlet 222 is disposed to communicate with the discharging channel 11, the inlet 221 and the raised strips 3 are located on the same side of the sieve plate 2, that is, the raw material 6 flows in from the inlet 221; the mesh opening 22 is provided with a diameter that increases from the inlet 221 to the outlet 222. In this embodiment, the sieve holes 22 are shaped as inverted trapezoids, the end surface with a small area is the inlet 221, and the end surface with a large area is the outlet 222. In other embodiments, the specific shape of the sieve opening 22 may be other shapes such as an inverted truncated cone, that is, the diameter of the sieve opening 22 may be increased from the inlet 221 to the outlet 222. Like this, through setting up the bore of sieve mesh 22 to be enlarged to export 222 by import 221, when the raw materials 6 of large granule is blocked in sieve mesh 22, through the sweeping and striking of ball 5, raw materials 6 is not hard up the back in sieve mesh 22, can flow to the export 222 direction that the bore is bigger more easily, flows out from export 222 at last for sieve mesh 22 has the difficult characteristics of blockking up.
Example two
As shown in fig. 13, the present invention provides another embodiment of a discharge end structure of a ball mill, which comprises a base body 1, a sieve plate 2 and raised strips 3; wherein, the sieve plate 2 is provided with a plurality of sieve pores 22; the base body 1 is provided with a discharge channel 11, the sieve plate 2 is arranged on the base body 1, and the sieve holes 22 are communicated with the discharge channel 11; the convex strips 3 are arranged on the feeding side of the sieve plate 2 in a convex mode, so that when the base body 1 rotates, the convex strips 3 form sweeping tracks on the feeding side of the sieve plate 2; the plurality of convex strips 3 are combined to form a plurality of spacing spaces 7, and the plurality of sieve holes 22 are distributed in the plurality of spacing spaces 7; in detail, nine spaced spaces 7 are formed by two parallel protruding strips 3 perpendicularly crossing another pair of two parallel protruding strips 3. When in use, the discharge end structure of the ball mill is arranged on the discharge end of the cylinder body of the ball mill roller through the matrix 1, then the raw materials and the grinding balls 5 are led into a ball mill roller, a transmission system drives the ball mill roller to roll, simultaneously, water flow flowing to the discharging end structure of the ball mill is introduced into the ball mill roller (namely flows to the discharging end of the ball mill roller), when the ball mill roller rotates, the ball mill roller drives the grinding balls 5 to roll in the ball mill roller, when the grinding balls 5 are brought to a certain height, the grinding balls 5 fall under the action of gravity of the grinding balls 5, the gravitational potential energy is converted into kinetic potential energy, the grinding balls 5 with the kinetic potential energy break and grind the raw materials after falling, the raw materials flow out of the sieve pores 22 along the feeding direction of the sieve pores 22 along with water flow, and then flow out of the roller of the ball mill through the discharge channel 11 on the base body 1; after long-time and multiple operation, part of raw materials can form accumulated scales on the sieve holes 22, if the accumulated scales are not cleaned in time, the sieve holes 22 can be blocked, because the sieve plate 2 is provided with the plurality of sieve holes 22, and the convex strips 3 are convexly arranged on the feeding side of the sieve plate 2, when the base body 1 rotates, the convex strips 3 form a sweeping track on the feeding side of the sieve plate 2, when a ball mill roller rolls, the sieve plate 2 and the convex strips 3 on the base body 1 and the base body 1 can roll along the circumference of the ball mill roller, the convex strips 3 rotating along the sweeping track can stir part of the grinding balls 5 to be thrown upwards along the side surface of the sieve plate 2 and then fall down, in the process that the grinding balls 5 are thrown upwards and fall down, the grinding balls 5 can perform brush movement without a fixed route along the feeding surface of the sieve plate 2, so as to impact and fall off the accumulated scales on the sieve holes 22, and reduce the frequency of blockage of the sieve holes 22, the frequency of equipment maintenance is reduced, and the production efficiency of the equipment is improved. In addition, when the ball mill roller rolls, part of the grinding balls 5 can randomly enter the spacing space 7, the grinding balls 5 are stirred by the convex strips 3 to be thrown upwards, the grinding balls 5 can be thrown to other convex strips 3 with high probability, because the ball mill roller is in a rotating state, the angle between the convex strips 3 and the throwing tracks of the grinding balls 5 is changed, other convex strips 3 can eject the grinding balls 5 at random angles again, so that the grinding balls 5 are ejected and thrown for multiple times, the grinding balls 5 can complete multiple times of sweeping motions without fixed routes in the spacing space 7 along the side surface of the screen plate 2, the sweeping motion frequency of the grinding balls 5 is increased, and the capability of clearing away scales accumulated on the screen holes 22 in the spacing space 7 is enhanced. In other embodiments, the concrete structure of combining the plurality of projecting strips 3 to form the plurality of spacing spaces 7 may be appropriately adjusted according to actual conditions.
EXAMPLE III
As shown in fig. 14, the present invention provides a discharge end structure of a ball mill in still another embodiment.
The difference between this embodiment and the second embodiment is:
as shown in fig. 14, two convex strips 3 are combined to form a space 7, part of the mesh openings 22 are distributed in the space 7, and the two convex strips 3 are arranged in parallel to form a space 7. Thus, when the ball mill roller rolls, part of the grinding balls 5 randomly enter the spacing space 7, the grinding balls 5 are stirred by the convex strips 3 to be thrown upwards, the grinding balls 5 can be thrown to other convex strips 3 with high probability, because the ball mill roller is in a rotating state, the angle between the convex strips 3 and the throwing tracks of the grinding balls 5 is changed, other convex strips 3 can eject the grinding balls 5 at random angles again, so that the grinding balls 5 are ejected and thrown for many times, the grinding balls 5 can complete a plurality of times of sweeping motions without fixed routes in the spacing space 7 along the feeding surface of the screen plate 2, the sweeping motion frequency of the grinding balls 5 is increased, and the capability of clearing away scales accumulated on the screen holes 22 in the spacing space 7 is enhanced.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (10)
1. Ball mill discharge end structure, its characterized in that: comprises a base body (1), a sieve plate (2) and a protruding strip (3);
wherein a plurality of sieve pores (22) are arranged on the sieve plate (2);
a discharging channel (11) is arranged on the base body (1), the sieve plate (2) is arranged on the base body (1), and the sieve holes (22) are communicated with the discharging channel (11);
the protruding strips (3) are arranged on the feeding side of the sieve plate (2) in a protruding mode, so that when the base body (1) rotates, the protruding strips (3) form sweeping tracks on the feeding side of the sieve plate (2).
2. The ball mill discharge end structure according to claim 1, characterized in that the raised strips (3) are provided in plurality, and the raised strips (3) are all convexly arranged on the feed side of the sieve plate (2).
3. The ball mill discharge end structure according to claim 2, characterized in that a plurality of the raised strips (3) are combined to form at least one spacing space (7), and part or all of the plurality of screen holes (22) are distributed in the spacing space (7).
4. The ball mill discharge end structure according to claim 3, characterized in that a plurality of the raised strips (3) are combined to form a plurality of the spacing spaces (7), the plurality of the raised strips (3) are arranged in a circular array, the spacing spaces (7) are formed between any two adjacent raised strips (3), and a plurality of the sieve holes (22) are distributed in the plurality of the spacing spaces (7).
5. The ball mill discharge end structure according to claim 4, characterized in that a plurality of the discharge channels (11) are provided on the base body (1), a plurality of the discharge channels (11) are provided in one-to-one correspondence with a plurality of the spacing spaces (7), and the discharge channels (11) are provided in communication with the sieve holes (22) in the corresponding spacing spaces (7).
6. The ball mill discharge end structure according to claim 5, characterized in that the base body (1) comprises a mounting frame (12) and an end cover body (13), the mounting frame (12) being arranged on the end cover body (13);
wherein a plurality of said outfeed channels (11) are provided on said mounting frame (12);
the end cover body (13) is provided with a raw material outlet hole (131), and the discharging ends of the discharging channels (11) are communicated with the raw material outlet hole (131).
7. The discharge end structure of the ball mill according to any one of the claims 4 to 6, characterized in that the sieve plate (2) comprises a plurality of sieve blocks (21), the sieve blocks (21) are arranged in one-to-one correspondence with the spacing spaces (7), the sieve blocks (21) are positioned in the corresponding spacing spaces (7), and the raised bars (3) are arranged to separate two adjacent sieve blocks (21).
8. The ball mill discharge end structure according to any one of claims 1 to 6, characterized in that the sieve holes (22) comprise an inlet (221) and an outlet (222), the outlet (222) is communicated with the discharge channel (11), and the inlet (221) and the raised strips (3) are positioned on the same side of the sieve plate (2);
the aperture of the sieve hole (22) is set to expand from the inlet (221) to the outlet (222).
9. Ball mill drum, characterized in that it comprises a ball mill discharge end structure according to any of claims 1 to 8, a cylinder (41) and a feed end structure (42);
the ball mill discharging end structure and the feeding end structure (42) are respectively arranged at two ends of the cylinder body (41).
10. The bowl of a ball mill according to claim 9, further comprising a rubber lining (411), the rubber lining (411) being provided on the inner wall of the cylinder (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110217857.9A CN112958231A (en) | 2021-02-26 | 2021-02-26 | Ball mill discharge end structure and ball mill cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110217857.9A CN112958231A (en) | 2021-02-26 | 2021-02-26 | Ball mill discharge end structure and ball mill cylinder |
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| CN112958231A true CN112958231A (en) | 2021-06-15 |
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| CN202110217857.9A Pending CN112958231A (en) | 2021-02-26 | 2021-02-26 | Ball mill discharge end structure and ball mill cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116833089A (en) * | 2023-09-01 | 2023-10-03 | 山西丹源新材料科技股份有限公司 | Raw material processing equipment and processing method for graphitized cathode production |
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Effective date of registration: 20230425 Address after: No. 25 (F7), Zone C, Sanshui Center Science and Technology Industrial Zone, Foshan City, Guangdong Province, 528137 (Residence Application) Applicant after: Foshan henglitai Technology Co.,Ltd. Address before: 528137 No. 25 (C), science and Technology Industrial Zone, Sanshui center, Foshan, Guangdong, China (F4) Applicant before: FOSHAN HENGLITAI MACHINERY Co.,Ltd. |