CN114950618A - Coal mining and crushing device for coal mine - Google Patents
Coal mining and crushing device for coal mine Download PDFInfo
- Publication number
- CN114950618A CN114950618A CN202210674412.8A CN202210674412A CN114950618A CN 114950618 A CN114950618 A CN 114950618A CN 202210674412 A CN202210674412 A CN 202210674412A CN 114950618 A CN114950618 A CN 114950618A
- Authority
- CN
- China
- Prior art keywords
- grinding
- coal mine
- shell
- screening
- coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
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
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
-
- 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
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
Abstract
The invention relates to the field of coal mining, and discloses a coal mining crushing device for a coal mine, which aims to solve the problem that the grinding and crushing efficiency of the existing crushing device for coal mining of the coal mine is lower when the crushing device is used. When the coal mine crusher is used, the first grinding teeth and the third grinding teeth carry out primary grinding and crushing on a coal mine, the coal mine after the primary crushing slides onto the inclined inner wall of the grinding groove with the funnel-shaped structure, at the moment, the grinding part drives the mounting seat to horizontally rotate along with the mounting seat, meanwhile, the second driving part drives the grinding roller to rotate, the coal mine on the inclined inner wall of the grinding groove can be further effectively ground, the mounting seat is mounted at the bottom of the grinding part through the telescopic part and the first elastic part, and in the process that the grinding part and the grinding roller horizontally rotate, the grinding roller is tightly attached to the inner wall of the grinding groove under the action of self centrifugal force, so that the coal mine is effectively ground, and the crushing efficiency is better.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to a coal mining crushing device for a coal mine.
Background
The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open pit coal mine, the coal mine is a reasonable space excavated by people when excavating geological layers rich in coal, generally comprises a roadway, a well cave, a mining face and the like, and part of coal mine needs to be crushed in the coal mining process, but the existing crushing device for coal mining of the coal mine has the problem of low grinding and crushing efficiency of the coal mine when in use.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a coal mining crushing device for a coal mine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coal mine coal mining crushing device comprises a shell, wherein a feeding port and a discharging port are formed in the outer wall of the shell, and the coal mine coal mining crushing device also comprises a first grinding mechanism used for grinding a coal mine which is fed into the shell; the first grinding mechanism comprises a funnel-shaped grinding groove, and third grinding teeth are arranged on the inner wall of the grinding groove; the grinding device also comprises a rotating shaft which is movably arranged, wherein a grinding part is arranged on the side surface of the rotating shaft, and first grinding teeth which are staggered with the third grinding teeth are arranged on the circumference of the grinding part; the first driving part is used for driving the rotating shaft to rotate; the bottom of the grinding part is movably provided with a second grinding mechanism through a telescopic mechanism and used for grinding the coal mine falling to the inclined inner wall of the grinding groove again; the second grinding mechanism comprises a mounting seat, a grinding roller is movably arranged in the mounting seat, and second grinding teeth are arranged on the circumference of the grinding roller; the second driving component is used for driving the grinding roller to rotate; the telescopic mechanism comprises a fixed shell fixed at the bottom of the grinding part, a telescopic part is installed in the fixed shell through a first elastic part, and one end of the telescopic part extending to the outside of the fixed shell is connected with the side face of the mounting seat.
Preferably, a support seat is fixed on the inner wall of the shell; the outer wall of the grinding groove is fixed with a movable seat for supporting the grinding groove.
Preferably, the grinding device also comprises a driving mechanism for driving the grinding groove to rotate oppositely relative to the grinding part; the driving mechanism comprises a movably arranged driving gear and a third driving part for driving the driving gear to rotate; a tooth groove arranged on the circumference of the movable seat; the circumference of the driving gear is meshed with the tooth grooves.
Preferably, the coal mine screening machine further comprises a screening screen plate for screening the coal mine ground by the grinding roller; the side of pivot is provided with crushing unit for carry out the breakage to the colliery that drops to screening otter board.
Preferably, the coal mine ball mill further comprises a third grinding mechanism, wherein the third grinding mechanism is used for carrying out ball milling on the coal mine which is sieved by the sieving screen plate; the screening shell is used for screening the coal mine subjected to ball milling by the third grinding mechanism; the side of screening casing sets up for the slope, and the sieve mesh has been seted up to the side of screening casing.
Preferably, the third grinding mechanism comprises a movable rod arranged on the side surface of the rotating shaft; the grinding balls are arranged at the bottom of the inner part of the shell; one side of the movable rod, which is far away from the screening screen plate, is provided with a stirring component for stirring grinding balls and a coal mine falling to the bottom of the shell.
Preferably, one side of the movable rod, which is close to the screening net plate, is provided with scraping teeth for scraping the side surface of the screening net plate.
Preferably, the sieve further comprises a dredging mechanism for dredging the openings of the sieve pores; the dredging mechanism comprises a scraping shell movably arranged on the side surface of the rotating shaft, and one side of the scraping shell, which is close to the screening shell, is provided with an air outlet; and the air pump is used for blowing air into the scraping shell.
Preferably, a fixing rod is fixed on the side surface of the rotating shaft, and an extension rod is installed inside the fixing rod through a second elastic component; the extension rod extends to the outside one end of dead lever and is connected with the side of scraping the casing.
The invention has the beneficial effects that:
first drive part drive grinding part rotates during the use, grind the tooth through first grinding tooth and third and carry out preliminary grinding breakage to the colliery of material loading between grinding groove and the grinding part, colliery landing after preliminary breakage is to the slope inner wall in funnel type structure grinding groove, grinding part drives the mount pad level thereupon and rotates this moment, second drive part drive grinding roller rotation simultaneously, can further effectively grind the colliery on the slope inner wall of grinding groove, and the mount pad passes through the extensible part and installs the bottom at grinding part with first elastomeric element, at grinding part and grinding roller level pivoted in-process, the grinding roller is under the effect of self centrifugal force, closely laminate with the inner wall in grinding groove, guarantee the effective grinding to the colliery, crushing efficiency is better.
Drawings
Fig. 1 is a schematic structural diagram of a coal mine coal mining crushing device according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a telescopic mechanism of a coal mine coal mining crushing device according to an embodiment of the invention;
fig. 3 is a structural sectional view of a dredging mechanism of a coal mine coal mining crushing device according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a dredging mechanism of a coal mine coal mining crushing device according to an embodiment of the invention.
In the figure: 1-shell, 2-first grinding mechanism, 21-first driving part, 22-rotating shaft, 23-grinding part, 24-first grinding tooth, 25-grinding groove, 26-third grinding tooth, 3-second grinding mechanism, 31-grinding roller, 32-second driving part, 33-mounting seat, 34-second grinding tooth, 4-movable seat, 5-supporting seat, 6-crushing part, 7-third grinding mechanism, 71-scraping tooth, 72-movable rod, 73-stirring part, 74-grinding ball, 8-dredging mechanism, 81-cleaning shell, 82-air pump, 83-air outlet, 84-extending rod, 85-fixed rod, 9-screening shell, 10-screening screen plate, 11-driving mechanism, 111-driving gear, 112-third driving component, 113-tooth space, 13-telescopic mechanism, 131-first elastic component, 132-fixed shell, 133-telescopic component and 14-sieve hole.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 4, the coal mining crushing device for coal mines comprises a shell 1, wherein a feeding port and a discharging port are arranged on the outer wall of the shell 1, and the crushing device further comprises a first grinding mechanism 2 for grinding the coal mines fed into the shell 1; the first grinding mechanism 2 comprises a funnel-shaped grinding groove 25, and the inner wall of the grinding groove 25 is provided with third grinding teeth 26; the grinding device also comprises a rotating shaft 22 which is movably arranged, a grinding part 23 is arranged on the side surface of the rotating shaft 22, and first grinding teeth 24 which are staggered with third grinding teeth 26 are arranged on the circumference of the grinding part 23; a first driving part 21 for driving the rotation shaft 22 to rotate; the bottom of the grinding part 23 is movably provided with a second grinding mechanism 3 through a telescopic mechanism 13 and is used for grinding the coal mine sliding to the inclined inner wall of the grinding groove 25 again; the second grinding mechanism 3 comprises a mounting seat 33, a grinding roller 31 is movably arranged in the mounting seat 33, and second grinding teeth 34 are arranged on the circumference of the grinding roller 31; a second driving means 32 for driving the grinding roller 31 to rotate; the telescopic mechanism 13 includes a fixed housing 132 fixed to the bottom of the grinding member 23, a telescopic member 133 is mounted inside the fixed housing 132 through a first elastic member 131, and one end of the telescopic member 133 extending to the outside of the fixed housing 132 is connected to a side surface of the mounting seat 33.
When the coal mine crusher is used, the first driving part 21 drives the grinding part 23 to rotate, coal mines from a feeding part to a position between the grinding groove 25 and the grinding part 23 are subjected to primary grinding and crushing through the first grinding teeth 24 and the third grinding teeth 26, the primarily crushed coal mines slide onto the inclined inner wall of the grinding groove 25 of the funnel-shaped structure, at the moment, the grinding part 23 drives the mounting seat 33 to horizontally rotate along with the mounting seat, meanwhile, the second driving part 32 drives the grinding roller 31 to rotate, the coal mines on the inclined inner wall of the grinding groove 25 can be further effectively ground, the mounting seat 33 is mounted at the bottom of the grinding part 23 through the telescopic part 133 and the first elastic part 131, in the horizontal rotating process of the grinding part 23 and the grinding roller 31, the grinding roller 31 is tightly attached to the inner wall of the grinding groove 25 under the action of self centrifugal force, effective grinding of the coal mines is guaranteed, and the crushing efficiency is better.
As a preferred embodiment of the present invention, the first elastic member 131 is a spring, a rubber string, or the like, and in this embodiment, the first elastic member 131 is preferably a spring.
As a preferred embodiment of the present invention, a support seat 5 is fixed to the inner wall of the housing 1; the outer wall of the grinding groove 25 is fixed with a movable seat 4 for supporting the grinding groove 25.
As a preferred embodiment of the present invention, the present invention further comprises a driving mechanism 11 for driving the grinding groove 25 to rotate in the opposite direction relative to the grinding member 23; the driving mechanism 11 comprises a movably arranged driving gear 111, and a third driving part 112 for driving the driving gear 111 to rotate; a tooth groove 113 arranged on the circumference of the movable seat 4; the circumference of the driving gear 111 is engaged with the tooth grooves 113, and the driving gear 111 can be driven to rotate by the third driving part 112 during the grinding process, so that the grinding grooves 25 are driven to rotate reversely relative to the grinding part 23, and the grinding effect is improved.
As a preferred embodiment of the present invention, the coal mine screening machine further comprises a screening net plate 10 for screening the coal mine ground by the grinding roller 31; the side of the shaft 22 is provided with crushing means 6 for crushing the coal mine falling onto the screen mesh plate 10.
As a preferred embodiment of the present invention, the present invention further comprises a third grinding mechanism 7, configured to perform ball milling on the coal mine sieved by the sieving screen 10; the screening shell 9 is used for screening the coal mine subjected to ball milling by the third grinding mechanism 7; the side of screening casing 9 is the slope setting, and sieve mesh 14 has been seted up to the side of screening casing 9.
As a preferred embodiment of the present invention, the third grinding mechanism 7 includes a movable rod 72 installed at a side of the rotation shaft 22; a grinding ball 74 disposed at the bottom inside the casing 1; one side that screening otter board 10 was kept away from to movable rod 72 is provided with and stirs part 73 for stir grinding ball 74 and the colliery that drops to casing 1 bottom, pivot 22 drives movable rod 72 and rotates, stir grinding ball 74 and the colliery that drops to the inside bottom of casing 1 through stirring part 73, make grinding ball 74 carry out effective ball-milling to the colliery, screening casing 9 sieves the colliery after the ball-milling, discharge from the feed opening through the colliery after screening casing 9 sieves.
In a preferred embodiment of the present invention, the grinding balls 74 are steel balls, ceramic balls, or the like, and in this embodiment, the grinding balls 74 are preferably steel balls.
As a preferred embodiment of the present invention, the movable bar 72 is provided with scraping teeth 71 on a side close to the screen plate 10 for scraping the side of the screen plate 10.
As a preferred embodiment of the present invention, the present invention further comprises a dredging mechanism 8 for dredging the openings of the sieve holes 14; the dredging mechanism 8 comprises a scraping shell 81 movably arranged on the side surface of the rotating shaft 22, and an air outlet 83 is formed in one side, close to the screening shell 9, of the scraping shell 81; the air pump 82 is used for blowing air into the scraping shell 81, when the air pump is used, the rotating shaft 22 drives the scraping shell 81 to rotate along the side face of the screening shell 9, meanwhile, the air pump 82 blows air into the scraping shell 81, air flow is sprayed out from the air outlet holes 83, and the openings of the screen holes 14 are blown and dredged.
As a preferred embodiment of the present invention, a fixing rod 85 is fixed to a side surface of the rotation shaft 22, and an extension rod 84 is installed inside the fixing rod 85 through a second elastic member; extension rod 84 extends to the outside one end of dead lever 85 and is connected with the side of scraping casing 81, when pivot 22 drove to scrape casing 81 and rotate, the side that second elastomeric element promoted to scrape casing 81 closely laminates with the side of screening casing 9, scrape the colliery that screens casing 9 side, and scrape casing 81 and rotate the in-process, also can closely laminate with the side of screening casing 9 under the centrifugal force effect of self, effectively avoid the opening of sieve mesh 14 to be blockked up.
When the coal mine crusher is used, the first driving part 21 drives the grinding part 23 to rotate, the coal mine between the feeding material and the grinding groove 25 and the grinding part 23 is subjected to primary grinding and crushing through the first grinding tooth 24 and the third grinding tooth 26, the primarily crushed coal mine slides to the inclined inner wall of the grinding groove 25 with the funnel-shaped structure, at the moment, the grinding part 23 drives the mounting seat 33 to horizontally rotate along with the coal mine, meanwhile, the second driving part 32 drives the grinding roller 31 to rotate, the coal mine on the inclined inner wall of the grinding groove 25 can be further effectively ground, the mounting seat 33 is mounted at the bottom of the grinding part 23 through the telescopic part 133 and the first elastic part 131, in the horizontal rotating process of the grinding part 23 and the grinding roller 31, the grinding roller 31 is tightly attached to the inner wall of the grinding groove 25 under the action of self centrifugal force, the effective grinding of the coal mine is ensured, and the crushing efficiency is better; in the grinding process, the third driving part 112 can drive the driving gear 111 to rotate, so that the grinding groove 25 is driven to rotate reversely relative to the grinding part 23, and the grinding effect is improved; the rotating shaft 22 drives the movable rod 72 to rotate, the grinding balls 74 and the coal mine falling to the bottom inside the shell 1 are stirred through the stirring component 73, so that the grinding balls 74 effectively ball mill the coal mine, the screening shell 9 screens the ball-milled coal mine, and the coal mine screened by the screening shell 9 is discharged from a discharge port; when in use, the rotating shaft 22 drives the scraping shell 81 to rotate along the side surface of the screening shell 9, meanwhile, the air pump 82 blows air into the scraping shell 81, and air flow is sprayed out from the air outlet holes 83 to blow and dredge the openings of the screen holes 14; when pivot 22 drives to scrape clean casing 81 and rotates, the side of second elastomeric element promotion scraping casing 81 and the side of screening casing 9 are closely laminated, scrape the colliery that screens casing 9 side and fall, and scrape clean casing 81 and rotate the in-process, also can closely laminate with the side of screening casing 9 under the centrifugal force effect of self, effectively avoid the opening of sieve mesh 14 to be blockked up.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A coal mine coal mining crushing device comprises a shell, wherein the outer wall of the shell is provided with a feeding port and a discharging port, and is characterized by further comprising a first grinding mechanism for grinding a coal mine fed into the shell;
the first grinding mechanism comprises a funnel-shaped grinding groove, and third grinding teeth are arranged on the inner wall of the grinding groove; the grinding device also comprises a rotating shaft which is movably arranged, wherein a grinding part is arranged on the side surface of the rotating shaft, and first grinding teeth which are staggered with the third grinding teeth are arranged on the circumference of the grinding part; the first driving part is used for driving the rotating shaft to rotate;
the bottom of the grinding part is movably provided with a second grinding mechanism through a telescopic mechanism and is used for grinding the coal mine which falls to the inclined inner wall of the grinding groove again;
the second grinding mechanism comprises a mounting seat, a grinding roller is movably arranged in the mounting seat, and second grinding teeth are arranged on the circumference of the grinding roller; the second driving component is used for driving the grinding roller to rotate;
the telescopic mechanism comprises a fixed shell fixed at the bottom of the grinding part, a telescopic part is installed in the fixed shell through a first elastic part, and one end of the telescopic part extending to the outside of the fixed shell is connected with the side face of the mounting seat.
2. A coal mine mining crushing device according to claim 1, wherein a support seat is fixed to the inner wall of the casing;
the outer wall of the grinding groove is fixed with a movable seat used for supporting the grinding groove.
3. A coal mine mining crushing apparatus according to claim 2, further comprising a drive mechanism for driving the grinding trough to rotate in opposite directions relative to the grinding member;
the driving mechanism comprises a movably arranged driving gear and a third driving part for driving the driving gear to rotate;
a tooth groove arranged on the circumference of the movable seat;
the circumference of the driving gear is meshed with the tooth grooves.
4. The coal mine coal mining crushing device of claim 1, further comprising a screening screen for screening the coal mine ground by the grinding roller;
and a crushing component is arranged on the side surface of the rotating shaft and used for crushing the coal mine falling onto the screening net plate.
5. The coal mine mining crushing device of claim 4, which is characterized by further comprising a third grinding mechanism, wherein the third grinding mechanism is used for performing ball milling on the coal mine which is sieved by the sieving screen plate;
the screening shell is used for screening the coal mine subjected to ball milling by the third grinding mechanism;
the side of screening casing sets up for the slope, and the sieve mesh has been seted up to the side of screening casing.
6. A coal mine mining crushing device according to claim 5, wherein the third grinding mechanism comprises a movable rod mounted on the side of the rotating shaft;
the grinding balls are arranged at the bottom of the inner part of the shell;
one side of the movable rod, which is far away from the screening screen plate, is provided with a stirring component for stirring grinding balls and a coal mine falling to the bottom of the shell.
7. A coal mine coal mining crushing device according to claim 6, wherein one side of the movable rod close to the screening net plate is provided with scraping teeth for scraping the side of the screening net plate.
8. A coal mine coal mining crushing device according to claim 5, further comprising a dredging mechanism for dredging the openings of the screen holes;
the dredging mechanism comprises a scraping shell movably arranged on the side surface of the rotating shaft, and one side of the scraping shell close to the screening shell is provided with an air outlet;
and the air pump is used for blowing air into the scraping shell.
9. The coal mine mining crushing device of claim 8, wherein a fixing rod is fixed on the side surface of the rotating shaft, and an extension rod is installed inside the fixing rod through a second elastic component;
the extension rod extends to the outside one end of dead lever and is connected with the side of scraping the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210674412.8A CN114950618A (en) | 2022-06-14 | 2022-06-14 | Coal mining and crushing device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210674412.8A CN114950618A (en) | 2022-06-14 | 2022-06-14 | Coal mining and crushing device for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114950618A true CN114950618A (en) | 2022-08-30 |
Family
ID=82964068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210674412.8A Pending CN114950618A (en) | 2022-06-14 | 2022-06-14 | Coal mining and crushing device for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114950618A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254314A (en) * | 2022-09-03 | 2022-11-01 | 日照联浩新型建材有限公司 | Vertical roller mill |
-
2022
- 2022-06-14 CN CN202210674412.8A patent/CN114950618A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254314A (en) * | 2022-09-03 | 2022-11-01 | 日照联浩新型建材有限公司 | Vertical roller mill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110898906B (en) | Fine grinding stone crusher with eccentric structure | |
| CN211586815U (en) | A even stone crusher for tunnel blasting rubble is recycled | |
| CN114950618A (en) | Coal mining and crushing device for coal mine | |
| CN212040635U (en) | Novel vibrating screen | |
| CN218340289U (en) | Rotary screen with material raising function | |
| WO2023216498A1 (en) | Coal vibrating screen having crushing function | |
| CN114558677B (en) | Ore exploitation crushing machine with dust removal function | |
| CN114100762B (en) | Full-automatic intelligent loading device for sand and stone materials | |
| CN214021946U (en) | Mine ore screening mechanism | |
| CN212040872U (en) | Integrative device of grinding screening is smashed in colliery | |
| CN213254906U (en) | Waste concrete crusher for goaf filling | |
| CN213762246U (en) | A crushing equipment for cement manufacture | |
| CN211463476U (en) | Breaker crushed aggregates sieving mechanism is used in production of gangue hollow brick | |
| CN115007438B (en) | Coal mine sorting device for mining | |
| CN216174168U (en) | Screening device for concrete raw materials | |
| CN212190036U (en) | Automatic ore dressing is with ore pulp screening plant | |
| CN208944212U (en) | A kind of dust-proof mining sand shaker | |
| CN212328451U (en) | Screening and crushing integrated processing device for coal mine production | |
| CN113680670A (en) | Grit screening equipment for building engineering | |
| CN112473782A (en) | Baked brick raw materials crushing apparatus | |
| CN212041330U (en) | Screen cloth that uses on colliery stone sieve separator | |
| CN111468409A (en) | Coal mine screening device | |
| CN211563581U (en) | Konjaku flour screening machine | |
| CN111558524A (en) | Multistage screening sand machine for building | |
| CN211801352U (en) | Coal mine stone crushing and screening device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |