CN209901467U - Large-output fine-granularity screening-free crushing production system - Google Patents
Large-output fine-granularity screening-free crushing production system Download PDFInfo
- Publication number
- CN209901467U CN209901467U CN201920534252.0U CN201920534252U CN209901467U CN 209901467 U CN209901467 U CN 209901467U CN 201920534252 U CN201920534252 U CN 201920534252U CN 209901467 U CN209901467 U CN 209901467U
- Authority
- CN
- China
- Prior art keywords
- crushing
- fine
- grinding
- roller crusher
- crusher
- 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.)
- Active
Links
Images
Landscapes
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The utility model discloses a large-output fine-grained screening-free crushing production system, which comprises a primary coarse crushing device, a secondary middle crushing device and a tertiary fine crushing device, wherein the primary coarse crushing device comprises a toothed roll crusher, a feed inlet of the toothed roll crusher is connected with a vibrating feeder, and a feeding end of the vibrating feeder is connected with a coarse crushing bin; the two-stage middle crushing device comprises a middle crushing roller crusher, a feed inlet of the middle crushing roller crusher is connected with a vibrating distributor, the three-stage fine crushing device comprises a fine crushing roller crusher, a feed inlet of the fine crushing roller crusher is connected with an even distributor, and a roller surface online repairing device is installed on a rack of the fine crushing roller crusher. The utility model discloses with coarse crushing, well garrulous and in small, broken bits carry out the series connection continuity of operation in small, broken bits operation can guarantee through even cloth that the roll surface wearing and tearing are even, and automatic grinding can guarantee to restore the roll surface in real time, guarantees broken clearance to can realize need not the screening structure and can carry out the operation in small, broken bits in succession, whole production efficiency is high.
Description
Technical Field
The utility model relates to a broken production technical field especially relates to a screening breakage production system is exempted from to large output fine grit.
Background
The crusher mainly carries out crushing operation on various stones, and the crushing operation can be divided into coarse crushing, medium crushing, fine crushing and the like according to the crushing granularity, wherein the fine crushing operation has wide application and can be used in the fields of mineral separation, ceramics, glass, metallurgy and the like. The production line in fine crushing that uses at present mostly is the scheme that increases the screening machine behind the breaker, screens out that the granularity is up to standard, and the granularity is not up to standard sends back the breaker again and carries out the breakage, and this is very loaded down with trivial details that just makes arranging of the defeated material structure of screening seem, and the screening process is slow moreover, and the screen cloth blocks up easily, can seriously influence the overall efficiency in fine crushing, is not suitable for mass production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a need not screening structure and can realize the broken production system of screening is exempted from to big output fine grit that operation in small, broken bits and whole production efficiency are high is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the high-yield fine-grained screening-free crushing production system comprises a primary coarse crushing device, a secondary middle crushing device and a tertiary fine crushing device, wherein material conveying devices are arranged between the primary coarse crushing device and the secondary middle crushing device and between the secondary middle crushing device and the tertiary fine crushing device; the primary coarse crushing device comprises a gear roller crusher, a feed inlet of the gear roller crusher is connected with a vibrating feeder, and a feeding end of the vibrating feeder is connected with a coarse crushing bin; the secondary medium crushing device comprises a medium crushing double-roller crusher, a feed inlet of the medium crushing double-roller crusher is connected with a vibrating distributor, and a feed end of the vibrating distributor is connected with a discharge outlet of the toothed-roller crusher through the material conveying device; the three-stage fine crushing device comprises a fine crushing roller crusher, a feed inlet of the fine crushing roller crusher is connected with an uniform distributor, a feeding end of the uniform distributor is connected with a discharge outlet of the medium crushing roller crusher through the material conveying device, and a roller surface online repairing device is installed on a rack of the fine crushing roller crusher.
As a preferred technical scheme, the online roller surface repairing device comprises a grinding mounting seat fixedly mounted on a rack of the fine crushing double-roller crusher, a grinding sliding seat is mounted on the grinding mounting seat in a sliding manner along the axial direction of the crushing roller, a reciprocating driving motor is mounted on the grinding mounting seat, the reciprocating driving motor and the grinding sliding seat are in spiral transmission, and a travel switch is arranged on the grinding mounting seat; a grinding rack is slidably mounted on the grinding sliding seat, and a sliding adjusting device is connected between the grinding rack and the grinding sliding seat; two grinding wheels capable of grinding the roll surface of the crushing roll are rotatably arranged on the grinding rack, and a grinding driving device is connected between the two grinding wheels.
As a preferable technical scheme, the online roller surface repairing device is respectively installed on the machine frame of the fine crushing double-roller crusher corresponding to the two crushing rollers.
As a preferable technical scheme, two three-stage fine crushing devices are arranged, and the two three-stage fine crushing devices are connected in series or in parallel.
As a preferred technical scheme, the uniform distributor comprises a distribution fixing frame which is fixedly arranged relative to the fine crushing double-roll crusher, a constant-speed belt scale is rotatably arranged on the distribution fixing frame, a scale feeding end and a scale discharging end are arranged on the constant-speed belt scale, the constant-speed belt scale comprises a horizontal distribution state and a material shortage inclined state, and the scale discharging end is lower than the scale feeding end when the constant-speed belt scale is in the material shortage inclined state; the cloth mount is located the fixed buffering feed bin that is equipped with in balance feed end top, the cloth mount is located balance feed end below is fixed and is equipped with sufficient material operation switch, sufficient material operation switch-on when horizontal cloth state and disconnection when lacking material tilt state, sufficient material operation switch control constant speed belt weigher.
As a preferable technical scheme, the medium crushing double-roll crusher is a double-roll crusher with a surfacing welding roll surface.
As a preferred technical scheme, a deironing device is arranged at the discharge end of the vibrating feeder.
Due to the adoption of the technical scheme, the high-yield fine-grained screening-free crushing production system comprises a primary coarse crushing device, a secondary middle crushing device and a tertiary fine crushing device, wherein material conveying devices are arranged between the primary coarse crushing device and the secondary middle crushing device and between the secondary middle crushing device and the tertiary fine crushing device; the primary coarse crushing device comprises a gear roller crusher, a feed inlet of the gear roller crusher is connected with a vibrating feeder, and a feeding end of the vibrating feeder is connected with a coarse crushing bin; the secondary medium crushing device comprises a medium crushing double-roller crusher, a feed inlet of the medium crushing double-roller crusher is connected with a vibrating distributor, and a feed end of the vibrating distributor is connected with a discharge outlet of the toothed-roller crusher through the material conveying device; the three-stage fine crushing device comprises a fine crushing roller crusher, a feed inlet of the fine crushing roller crusher is connected with an uniform distributor, a feeding end of the uniform distributor is connected with a discharge outlet of the medium crushing roller crusher through the material conveying device, and a roller surface online repairing device is installed on a rack of the fine crushing roller crusher. The utility model discloses with coarse crushing, well garrulous and the fine crushing carry out the series connection continuity of operation in small, can progressively accomplish the building stones in small, broken respectively of each section sets up the cloth structure, can realize stable supply to the building stones of different granularities. The roller surface can be uniformly abraded in the fine crushing operation through uniform distribution, the roller surface can be guaranteed to be repaired in real time through automatic grinding, and the crushing gap is guaranteed, so that the fine crushing granularity is guaranteed. The utility model discloses an each breaker series connection cooperation and self characteristics installation auxiliary structure can realize need not the screening structure and can carry out the operation in small, broken bits in succession, and whole production efficiency is high.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a primary coarse crushing device according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view of the structure of the second-stage coarse crushing device according to the embodiment of the present invention;
fig. 4 is an enlarged schematic view of the structure of the three-stage coarse crushing device according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of the uniform distributor according to the embodiment of the present invention in a horizontal distribution state;
FIG. 6 is a schematic perspective view of an on-line roller surface repairing device according to an embodiment of the present invention;
fig. 7 is a schematic front view structure diagram of the online roller surface repairing device of the embodiment of the present invention.
In the figure: 1-first-stage coarse crushing device; 11-a toothed roll crusher; 12-a vibrating feeder; 13-coarse crushing bunker; 14-iron remover; 2-a secondary intermediate crushing device; 21-medium crushing double-roller crusher; 22-vibrating distributor; 3-three-stage fine crushing devices; 31-a fine crushing roller crusher; 32-a uniform distributor; 321-cloth fixing frame; 322-constant speed belt scale; 323-balance feed end; 324-balance discharge end; 325-buffer bin; 326-a sufficient material running switch; 33-online repairing device for roll surface; 331-grinding the mounting seat; 332-grinding the sliding seat; 333-reciprocating drive motor; 334-a travel switch; 335-grinding machine frame; 336-grinding the feed hand wheel; 337-grinding wheel; 338-grinding drive motor; 4-a material conveying device.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, exemplary embodiments of the invention are described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 7, the high-yield fine-grained screening-free crushing production system comprises a primary coarse crushing device 1, a secondary middle crushing device 2 and a tertiary fine crushing device 3, wherein a material conveying device 4 is arranged between the primary coarse crushing device 1 and the secondary middle crushing device 2 and between the secondary middle crushing device 2 and the tertiary fine crushing device 3. In the embodiment, a set of series continuous operation system of coarse crushing, medium crushing and fine crushing is directly established, and the crushed particle size of the stone is gradually reduced step by step. The material conveying device 4 is shown as a belt conveyor in this embodiment.
The primary coarse crushing device 1 comprises a toothed roller crusher 11, a feed inlet of the toothed roller crusher 11 is connected with a vibrating feeder 12, and a feeding end of the vibrating feeder 12 is connected with a coarse crushing bin 13. In this embodiment, the toothed roller crusher 11 is a double toothed roller crusher 11, and the toothed roller crusher 11 has the advantages of small size, large crushing ratio, uniform crushing granularity and the like, and is suitable for coarse crushing operation of large-granularity stone. The vibrating feeder 12 is a device for feeding materials to the crusher in a vibrating manner, and can realize uniform and continuous feeding of large-granularity stone materials. The coarse crushing bin 13 is used for storing original large-granularity stone loaded by a loader and other equipment, the bottom of the coarse crushing bin 13 is provided with an opening, the large-granularity stone is directly stacked at the feeding end of the vibrating feeder 12 from the opening at the bottom, and then the large-granularity stone is slowly fed to the toothed roller crusher 11 through vibration. An iron remover 14 is arranged at the discharge end of the vibrating feeder 12, and the iron remover 14 can absorb iron ore powder scattered after crushing to realize resource separation. The toothed roll crusher 11, the vibrating feeder 12 and the iron remover 14 are all well-known and commonly used technologies, and are not described in detail herein.
In the second grade, the crushing device 2 comprises a middle crushing roller crusher 21, a feed inlet of the middle crushing roller crusher 21 is connected with a vibrating distributor 22, and a feeding end of the vibrating distributor 22 is connected with a discharge port of the toothed roller crusher 11 through a material conveying device 4. The pair of roller crusher has characteristics such as small, crushing ratio is big, easy maintenance, broken granularity is even, can realize well rubble material operation, this embodiment well garrulous pair of roller crusher 21 is used for the breakage the coarse grain building stones of 11 outputs of fluted roller crusher, crushing strength is big, so this embodiment well garrulous pair of roller crusher 21 is the pair of roller crusher of build-up welding roll surface. The vibrating distributor 22 is structurally similar to the vibrating feeder 12, belonging to the prior art known to the skilled in the art, and can achieve a uniform and continuous feeding of coarse crushed material to the intermediate crushing double roll crusher 21 by means of vibration. To this end, the middle crushing double roll crusher 21 outputs medium-grained stones.
The three-stage fine crushing device 3 comprises a fine crushing double-roll crusher 31, a feed inlet of the fine crushing double-roll crusher 31 is connected with an even distributing device 32, a feeding end of the even distributing device 32 is connected with a discharge port of the middle crushing double-roll crusher 21 through the material conveying device 4, and a roller surface online repairing device 33 is installed on a rack of the fine crushing double-roll crusher 31. The three-stage fine crushing device 3 is the key for realizing fine crushing operation of the system, and the key technology of the system is how to realize fine grain crushing of medium-grained stones and how to match the primary coarse crushing device 1 and the secondary medium-crushing device 2 for continuous operation.
The fine crushing roll crusher 31 is a roll crusher with a flat roll surface, and the flat roll surface can ensure that the crushing gap between two rolls is uniform and constant, so as to ensure uniform crushing granularity. The roll surface online repairing devices 33 are respectively installed on the machine frame of the fine crushing double-roll crusher 31 corresponding to the two crushing rolls, and the two roll surface online repairing devices 33 can grind and repair the flat roll surface in real time, so that the integral flatness of the flat roll surface is ensured, and the constant crushing gap is ensured.
The online roller surface repairing device 33 comprises a grinding mounting seat 331 fixedly mounted on a rack of the fine crushing double-roller crusher 31, a grinding sliding seat 332 is mounted on the grinding mounting seat 331 in a sliding mode along the axial direction of a crushing roller, a reciprocating driving motor 333 is mounted on the grinding mounting seat 331, the reciprocating driving motor 333 and the grinding sliding seat 332 are in spiral transmission, and a travel switch 334 is arranged on the grinding mounting seat 331. A grinding machine frame 335 is slidably mounted on the grinding sliding seat 332, and a sliding adjusting device is connected between the grinding machine frame 335 and the grinding sliding seat 332; the embodiment illustrates that the sliding adjustment device is a grinding feed hand wheel 336 rotatably mounted on the grinding frame 335, and the grinding feed hand wheel 336 is in screw transmission with the grinding frame 335. Two grinding wheels 337 capable of grinding the roll surfaces of the crushing rolls are rotatably mounted on the grinding frame 335, and a grinding driving device is connected between the two grinding wheels 337; the embodiment illustrates that the grinding driving device comprises a grinding driving motor 338 mounted on the grinding frame 335, and the output end of the grinding driving motor 338 is in belt transmission with the two grinding wheels 337. The grinding feed amount is adjusted by the sliding adjusting device, the grinding wheel 337 can automatically grind along the axial direction of the crushing roller in a reciprocating manner under the control of the reciprocating drive motor 333 and the travel switch 334, and the roller surface of the fine crushing roller crusher 31 can be ground and repaired in real time, so that the crushing gap and continuous operation are ensured.
The uniform material distributor 32 comprises a material distribution fixing frame 321 which is fixedly arranged opposite to the fine crushing double-roller crusher 31, a constant-speed belt scale 322 is rotatably arranged on the material distribution fixing frame 321, a scale feeding end 323 and a scale discharging end 324 are arranged on the constant-speed belt scale 322, the constant-speed belt scale 322 comprises a horizontal material distribution state and a material shortage inclined state, and the scale discharging end 324 is lower than the scale feeding end 323 when the constant-speed belt scale 322 is in the material shortage inclined state; the cloth fixing frame 321 is located a buffer bin 325 is fixedly arranged above the scale feeding end 323, the cloth fixing frame 321 is located a sufficient material operation switch 326 is fixedly arranged below the scale feeding end 323, the sufficient material operation switch 326 is switched on in a horizontal cloth state and is switched off in a material shortage inclined state, and the sufficient material operation switch 326 controls the constant-speed belt scale 322. The buffer bin 325 receives the medium particle stones from the medium crushing double roll crusher 21, the medium particle stones are freely accumulated at the scale feeding end 323 through the bottom opening of the buffer bin 325, the gravity of the medium particle stones also acts on the scale feeding end 323, when the medium particle stones are sufficient, the gravity of the medium particle stones is large, the scale feeding end 323 can be pressed to move downwards, the scale feeding end 323 triggers the sufficient material operation switch 326, the constant-speed belt scale 322 operates, and the constant-speed belt scale 322 enters a horizontal distribution state; when the medium-grain stone is insufficient, the gravity of the stone is insufficient to press the scale feeding end 323, the scale feeding end 323 is tilted, the enough material operation switch 326 is turned off, the constant-speed belt scale 322 stops operating, and the constant-speed belt scale 322 enters a material shortage inclined state. Thus, by controlling the material-enough operation switch 326, the constant-speed belt scale 322 can constantly keep the medium-grained stone material with basically uniform thickness and width, and after the medium-grained stone material is sent to the fine crushing double-roll crusher 31, the roll surfaces of the two crushing rolls are abraded uniformly, so that the grinding is convenient, and the grinding workload is reduced.
In this embodiment, the uniform distributor 32 is matched with the roll surface on-line repairing device 33, so that the stable crushing gap and continuous crushing operation of the roll surface can be ensured.
In this embodiment, the three-stage fine crushing devices 3 are two, and two of the three-stage fine crushing devices 3 are connected in series or in parallel, which means that the two three-stage fine crushing devices 3 are connected in series and two of the three-stage fine crushing devices 3 are also provided with the material conveying device 4 therebetween. Of course, the gap between the roller surfaces of the fine crushing roller pair crushers 31 of the three-stage fine crushing device 3 located at the front part is slightly larger, and the gap between the roller surfaces of the fine crushing roller pair crushers 31 of the three-stage fine crushing device 3 located at the rear part is smaller.
The working principle of the embodiment is as follows: large-granularity stone materials with the diameter or the side length of less than 600mm are sent into the coarse crushing bin 13, the vibration feeder 12 can evenly send the large-granularity stone materials into the toothed roller crusher 11, coarse-grained stone materials with the granularity of less than 60mm are formed after coarse crushing, the coarse crushed stone materials are sent to the vibration distributor 22, the vibration distributor 22 evenly sends the coarse crushed stone materials into the middle crushing counter roller crusher 21, and medium-grained stone materials with the granularity of less than 15mm are formed after crushing; and medium-grained stones are subjected to fine crushing operation through two stages of fine crushing roller crushers 31, each fine crushing roller crusher 31 is provided with the uniform distributor 32 and the roller surface online repairing device 33, and the medium-grained stones are subjected to two-stage fine crushing according to the granularity of less than 5mm and the granularity of less than 2mm, so that fine-grained production is completed.
The embodiment carries out series connection continuous operation with coarse crushing, medium crushing and fine crushing, can gradually accomplish the fine crushing with the building stones, and each section of breakage sets up the cloth structure respectively, can realize stable supply to the building stones of different granularities. The roller surface can be uniformly abraded in the fine crushing operation through uniform distribution, the roller surface can be guaranteed to be repaired in real time through automatic grinding, and the crushing gap is guaranteed, so that the fine crushing granularity is guaranteed. The utility model discloses an each breaker series connection cooperation and self characteristics installation auxiliary structure can realize need not the screening structure and can carry out the operation in small, broken bits in succession, and whole production efficiency is high.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Screening breakage production system is exempted from to big output fine grit, its characterized in that: the device comprises a first-stage coarse crushing device, a second-stage middle crushing device and a third-stage fine crushing device, wherein material conveying devices are arranged between the first-stage coarse crushing device and the second-stage middle crushing device and between the second-stage middle crushing device and the third-stage fine crushing device;
the primary coarse crushing device comprises a gear roller crusher, a feed inlet of the gear roller crusher is connected with a vibrating feeder, and a feeding end of the vibrating feeder is connected with a coarse crushing bin;
the secondary medium crushing device comprises a medium crushing double-roller crusher, a feed inlet of the medium crushing double-roller crusher is connected with a vibrating distributor, and a feed end of the vibrating distributor is connected with a discharge outlet of the toothed-roller crusher through the material conveying device;
the three-stage fine crushing device comprises a fine crushing roller crusher, a feed inlet of the fine crushing roller crusher is connected with an uniform distributor, a feeding end of the uniform distributor is connected with a discharge outlet of the medium crushing roller crusher through the material conveying device, and a roller surface online repairing device is installed on a rack of the fine crushing roller crusher.
2. The high throughput fine particle size screen-free comminution production system of claim 1, wherein: the roller surface online repairing device comprises a grinding mounting seat fixedly mounted on a rack of the fine crushing double-roller crusher, a grinding sliding seat is axially and slidably mounted on the grinding mounting seat along a crushing roller, a reciprocating driving motor is mounted on the grinding mounting seat, the reciprocating driving motor and the grinding sliding seat are in spiral transmission, and a travel switch is arranged on the grinding mounting seat; a grinding rack is slidably mounted on the grinding sliding seat, and a sliding adjusting device is connected between the grinding rack and the grinding sliding seat; two grinding wheels capable of grinding the roll surface of the crushing roll are rotatably arranged on the grinding rack, and a grinding driving device is connected between the two grinding wheels.
3. The high throughput fine particle size screen-free comminution production system of claim 1, wherein: and the online roller surface repairing device is respectively arranged on the rack of the fine crushing double-roller crusher corresponding to the two crushing rollers.
4. The high throughput fine particle size screen-free comminution production system of claim 1, wherein: the two three-stage fine crushing devices are arranged in series or in parallel.
5. The high throughput fine particle size screen-free comminution production system of claim 1, wherein: the uniform material distributor comprises a material distribution fixing frame which is fixedly arranged relative to the fine crushing double-roll crusher, a constant-speed belt scale is rotatably arranged on the material distribution fixing frame, a scale feeding end and a scale discharging end are arranged on the constant-speed belt scale, the constant-speed belt scale comprises a horizontal material distribution state and a material shortage inclined state, and the scale discharging end is lower than the scale feeding end when the constant-speed belt scale is in the material shortage inclined state; the cloth mount is located the fixed buffering feed bin that is equipped with in balance feed end top, the cloth mount is located balance feed end below is fixed and is equipped with sufficient material operation switch, sufficient material operation switch-on when horizontal cloth state and disconnection when lacking material tilt state, sufficient material operation switch control constant speed belt weigher.
6. The high throughput fine particle size screen-free comminution production system of claim 1, wherein: the medium crushing roller crusher is a roller crusher with a surfacing welding roller surface.
7. The high throughput fine grain size screenless comminution production system of any one of claims 1 to 6, wherein: and an iron remover is arranged at the discharge end of the vibrating feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920534252.0U CN209901467U (en) | 2019-04-18 | 2019-04-18 | Large-output fine-granularity screening-free crushing production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920534252.0U CN209901467U (en) | 2019-04-18 | 2019-04-18 | Large-output fine-granularity screening-free crushing production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209901467U true CN209901467U (en) | 2020-01-07 |
Family
ID=69044522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920534252.0U Active CN209901467U (en) | 2019-04-18 | 2019-04-18 | Large-output fine-granularity screening-free crushing production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209901467U (en) |
-
2019
- 2019-04-18 CN CN201920534252.0U patent/CN209901467U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4285905B2 (en) | Method and apparatus for pulverizing mineral and non-mineral materials | |
| CN108097406A (en) | Vertical crushing plant | |
| CN204469776U (en) | Twin-stage sieve material jaw crusher | |
| JP2010538830A (en) | Method and apparatus for coarse and fine grinding of mineral and non-mineral materials | |
| CN203459131U (en) | Production line capable of reducing granularity of ore crushing product | |
| CN205495769U (en) | Time delay feeding ore grinding system appearance equipment | |
| CN201140086Y (en) | High-efficiency fine crusher | |
| CN205269784U (en) | High -efficient inverter type ore crushing device | |
| CN101460247A (en) | Rolling press, in particular for material bed comminution | |
| CN102744123A (en) | Impact hammer type crusher | |
| CN107159375A (en) | A kind of efficient ore pulverizer with positive feed function | |
| CN113210060B (en) | Coal briquette crushing and screening machine for coal dressing | |
| CN200981001Y (en) | Multistage sieving gear teeth type grinder | |
| CN202061653U (en) | Counterattack hammer crusher | |
| CN209901467U (en) | Large-output fine-granularity screening-free crushing production system | |
| CN111013710B (en) | Sand making equipment and process adaptable to materials of various specifications | |
| CN202137028U (en) | Ore-drawing screening and crushing device | |
| CN212092483U (en) | Raw material crusher for comprehensively recycling solid waste | |
| CN213377131U (en) | Multipurpose aggregate crushing and screening production line | |
| KR20020061579A (en) | method and apparatus for manufacturing aggregate used of ultra sand roller mill | |
| CN102872944A (en) | Closed loop balance wheel pulse sand making machine and sand making method | |
| CN112169982A (en) | Integrated crushing system for masonry raw materials | |
| CN109985692B (en) | Vertical flour mill | |
| CN203778126U (en) | Multilevel screening integrated two-passage separation tooth-roller crusher | |
| CN216224610U (en) | Asphalt reclaimed material crushing and screening production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |