CN100336602C - Unit roll-disk breaker - Google Patents

Unit roll-disk breaker Download PDF

Info

Publication number
CN100336602C
CN100336602C CNB2004100496573A CN200410049657A CN100336602C CN 100336602 C CN100336602 C CN 100336602C CN B2004100496573 A CNB2004100496573 A CN B2004100496573A CN 200410049657 A CN200410049657 A CN 200410049657A CN 100336602 C CN100336602 C CN 100336602C
Authority
CN
China
Prior art keywords
roller
annular
scraper plate
pulverizer
pulverizing
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.)
Expired - Fee Related
Application number
CNB2004100496573A
Other languages
Chinese (zh)
Other versions
CN1712136A (en
Inventor
吴碧碧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CNB2004100496573A priority Critical patent/CN100336602C/en
Publication of CN1712136A publication Critical patent/CN1712136A/en
Application granted granted Critical
Publication of CN100336602C publication Critical patent/CN100336602C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Crushing And Grinding (AREA)

Abstract

The present invention relates to a unit type roller-disk crushing machine. An annular flat car (2) is arranged on an annular track (1), and an annular grinding disk (4) is composed of a flat lining board (19) inserted in the flat car (2), wherein the annular grinding disk (4) is arranged on the top of the flat car (2); the annular flat car (2) has an annular machine frame; an annular gear ring (5) connected with a power device (6) is arranged on the machine frame so that the machine frame can be connected with the power device (6) by a gear; grinding rollers (7) are arranged on the annular grinding disk (4); both ends of each grinding roller are respectively connected with a hydraulic cylinder (26); the hydraulic cylinders are simultaneously arranged in a clamping groove of a supporting frame (30) of the grinding rollers; an independent crushing unit is composed of 2 to 6 grinding rollers (7), a crushed material layer controller (8), a discharger (9), a board type grinding roller cleaner (10) and a small aggregating scraping plate (11); the board type grinding roller cleaner (10) is arranged in front of the grinding rollers (7); the small aggregating scraping plate (11) is arranged behind the grinding rollers (7); 2 to 10 independent crushing units are uniformly distributed on the annular grinding disk (4).

Description

Modular roller dish pulverizer
Technical field
The present invention relates to the ore and the material grinding machine, particularly roller dish pulverizer of various mines, building materials industry; Be specially adapted to ore and material less than 70mm are carried out the continuous high-efficient comminution process, very useful in large enterprises such as mine, building materials industry.
Background technology
Roller dish pulverizer generally comprises two kinds of dial-turned type and rolling types, for example: ZL93215042.X described " breaking machine with roller and disk " and US15034920 described " roller mill ".In the prior art, no matter be dial-turned type pulverizer or roller (wheel) dynamic formula pulverizer, its mill disc and roller (wheel) all have been subjected to following all multifactor restrictions, fine fraction content is low etc. in, the milling product little as comminution ratio, be difficult to reach the grade requirement (surpassing more than 20%) of ball mill ore discharge as-200 order grain size contents in the ore discharge, so only can substitute fine crusher, and can not substitute ball mill simultaneously.This kind equipment is because its device characteristics have determined it to be difficult to adapt to high material of water content and ore, so can not handle the material and the ore of various mines and building materials industry; And this type of pulverizer is made complicated, therefore costs an arm and a leg, and can only use in minority factory.Therefore, they also can't adapt to the actual needs of large enterprise's large-scale production such as various mines, building materials industry so far.Show according to relevant investigation, the size reduction machinery that at present domestic and international large-scale mine and building materials industry centering smitham and material are adopted is still based on ball mill, rod mill, autogenous tumbling mill, the high pulverizing cost of these size reduction machineries is perplexing enterprise always, needs renewal badly.
Summary of the invention
Purpose of the present invention is exactly with not enough at the problems referred to above, a kind of can the pulverizing less than ore and the material of 70mm granularity proposed, and material and ore open circuit can be crushed to-200 order content above more than 20%, closed circuit pulverizing can reach the milling product granularity requirements of ball mill, surpass about 50%-60% such as-200 order content in the milling product, can satisfy the novel modular roller dish pulverizer of enterprise's large-scale production needs such as mine, building materials.
To achieve these goals, modular this pulverizer of roller dish pulverizer of the present invention comprises: circular orbit, annular flat wooden handcart, annular mill disc, roller, pulverizing bed of material controller, discharger, board-like roller sweeper, gather materials little scraper plate, hydraulic system and power set, described annular flat wooden handcart are located at described circular orbit top; Described annular mill disc is made of the flat liner plate that is inlaid on the described flat car, is arranged on the top of flat car; Described annular flat wooden handcart has an annular framework, is provided with the annular gear ring that is connected with power set on this frame, and this gear ring connects with the power set of being made up of reduction box and motor mutually by gear; Described roller is placed on the annular mill disc, and two ends of this roller are connected with hydraulic cylinder, is placed on simultaneously in the draw-in groove of roller support; A described 2-6 roller, pulverizing bed of material controller, discharger, board-like roller sweeper and the little scraper plate that gathers materials constitute one and independently pulverize the unit, described each each parts of independently pulverizing the unit along the order of arranging of direction of rotation for pulverizing bed of material controller, a 2-6 roller, discharger, board-like roller sweeper is installed in the front side of roller, and the little scraper plate that gathers materials is located at the back of roller; On annular mill disc, be provided with the independent unit of pulverizing that 2-10 equilibrium arranged.
But above-mentioned pulverizing bed of material controller comprises the control flashboard of baffle-box and up-down adjustment and forms that the control flashboard is provided with discontinuous bar shaped ore removal groove.
Described discharger is made up of discharger support, movable scraping plate support, scraper plate adjusting screw(rod); The movable scraping plate support is connected with the discharger support, is provided with the scraper plate clamping plate that are used for fixing scraper plate on the scraper plate travel(l)ing rest, is provided with the screw rod of regulating scraper plate on the scraper plate clamping plate; Scraper plate is triangle or faces directly tilting.
In above-mentioned pulverizer, can adopt vehicle frame, wheel and the circular orbit of planar annular bearing or belt plane bearing shell alternate collar shape flat car.
The planar annular bearing that is adopted be ball-type or the roller type.
The planar annular bearing shell that is adopted is annular, and end face is the plane, is made by copper alloy or babbit; Be provided with oil groove on the bearing shell end face of plane, the flat car bottom below the mill disc is placed on the bearing shell of plane through the supporting plane of processing, contacts with the plane bearing shell.
The little scraper plate that gathers materials is set behind each roller; The little scraper plate that gathers materials is arranged on two edges of flat liner plate in the inclination mode; Little scraper plate is made up of scraper plate and support.
Described hydraulic system is made up of accumulator, hydraulic cylinder, oil feed pump and control system; Two sides at each roller respectively are provided with a hydraulic cylinder; The cylinder body of hydraulic cylinder is connected with ground, and two ends of the piston of hydraulic cylinder and roller axle are rigidly connected, and hydraulic cylinder is provided with oil pipe and is connected with accumulator, and its oil pipe also is connected with oil feed pump simultaneously.
Described each roller skin all is equipped with the taper abrasion-proof backing block, and the tapering of taper abrasion-proof backing block is used for offsetting roller linear differential radially.
Can establish the backgauge side plate that is higher than flat liner plate in two sides of flat liner plate (19).
The pulverizing element number of pulverizer can be determined according to production scale and concrete condition.
Compare with existing crushing technology, pulverizer of the present invention has the following advantages and effect:
(1) pulverizer adopts individual particle high pressure ballast pulverization principle, and the utilization thin layer is repeatedly pulverized, and pulverizes bed of material compacting gradually, and crush strength progressively increases, thereby has realized efficient pulverizing.Modular roller dish pulverizer can be pulverized the unit disposable powder by one with the ore below the 70mm and be broken to P80 less than below the 3mm, and-200 order content of open circuit milling product can reach more than 20%; Closed circuit pulverizing plays that-200 order content can reach more than 50% alternative ball mill in the milling product.
This pulverizer can be realized the requirement of high throughput.This pulverizer disposes several and pulverizes the unit, and each pulverizes the unit can finish complete crushing process alone, and the separate unit pulverizer can be equipped with 2-10 pulverizing unit, to satisfy the design needs.
The resistance of this pulverizer in running is very little, so the pulverizing energy consumption of pulverizer is very low, the pulverizing power consumption of pulverizer only is below 30% of common process.
This pulverizer not only can substitute fine crusher and muck screening operation, possesses the ability that replaces the material sizes of steel balls for coarse grinding mills fully simultaneously; Technological process is very simple, and Process configuration is flexible; Owing to adopt a plurality of crushing and classification technologies of equipment replacement, make the capital cost of factory descend significantly.
The crush force of this pulverizer belongs to high pressure to be pulverized, but it pulverizes the 1/30-1/15 that pressure has only high-pressure roller mill; Pulverize pressure and rise in gradient, the wearing and tearing pulverizing pressure of first roller faster have only 1/30 of high pressure roller, thereby have solved the quick wear problem of liner plate of high pressure roller pulverizer effectively, so the consumption of liner plate is lower generally at 20-30kg/mm; Pulverizer is changed liner plate and is easier to.The pulverizing cost of pulverizer routine has decline significantly, pulverizes production cost and generally can save 30-50%.
Compare with existing disintegrating apparatus, this pulverizer adopts controllable force to pulverize, so its milling product can be regulated according to design.
This pulverizing pressure has only 1/10th of high-pressure roller mill, and is simple in structure, is easy to industry manufacturing, and manufacturing cost descends significantly than existing equipment, and the equipment price will descend significantly.
Description of drawings
Describe the present invention in detail below in conjunction with accompanying drawing.In the accompanying drawing:
Fig. 1 is the plane structure chart of roller dish pulverizer.
Fig. 2 is the structure chart of roller dish pulverizer drive part.
Fig. 3 is the structure chart of guide rail and pressure roller.
Fig. 4 is a schematic diagram of pulverizing bed of material controller.
Fig. 5 is the structure chart of discharger.
Fig. 6 is the schematic diagram of plane bearing.
Fig. 7 is the schematic diagram of plane bearing shell.
Fig. 8 is the structure chart of the plane bearing shell and the little scraper plate that gathers materials.
Fig. 9 is the schematic diagram of hydraulic system.
The implication of each label is as follows among the figure:
1: circular orbit
2: the annular flat wooden handcart
3: wheel
4: annular mill disc
5: gear ring
6: power set
7: roller
8: pulverize bed of material controller
9: discharger
10: board-like roller sweeper
11: little scraper plate gathers materials
12: baffle-box
13: the control flashboard
14: discontinuous bar shaped ore removal groove
15: the discharger support
16: the movable scraping plate support
17: adjusting screw(rod)
18: the scraper plate clamping plate
19: flat liner plate
20: the planar annular bearing
21: the planar annular bearing shell
22: oil groove
23: scraper plate
24: support
25: accumulator
26: hydraulic cylinder
27: oil feed pump
28: the taper abrasion-proof backing block
29: the backgauge side plate
30: the roller support
The specific embodiment
As Figure 1-3, modular roller dish pulverizer of the present invention has a circular orbit 1, annular flat wooden handcart 2, annular mill disc 4, roller 7, hydraulic system 26 and power set 6.
Annular flat wooden handcart 2 is arranged on the circular orbit 1, and the bottom of the flat car 2 that goes in ring is provided with wheel 3, and this wheel 3 is placed on the track 1.Be embedded with the annular mill disc 4 that is constituted by wear-resisting flat liner plate 19 at the top of flat car 2.
Fig. 6 and Fig. 7 show the alternate embodiment of said structure, that is, also can adopt conventional planar annular bearing 20 or planar annular bearing shell 21 to substitute vehicle frame, wheel 3 and the circular orbit 1 of annular flat car 2.When using planar annular bearing 20, annular mill disc 4 is placed directly in the top of planar annular bearing 20.The planar annular bearing (20) that is adopted can be ball-type or the roller type.When using planar annular bearing shell 21, the planar annular bearing shell 21 that is adopted is annular, and end face is the plane, is made by copper alloy or babbit or other alloy materials, can be provided with oil groove 22 on plane bearing shell 21 end faces.Supporting plane through processing is arranged at flat car 2 bottoms below the mill disc 4, and this supporting plane is placed on the plane bearing shell 21, contacts with plane bearing shell 21.
Be provided with the annular gear ring 5 that is connected with power set 6 on the frame of annular flat wooden handcart 2, gear ring 5 is by gear and have reduction box, and as cylindrical gear reducer, the power set of forming with motor 6 connect mutually.
As Fig. 1 and shown in Figure 3, be provided with 2-10 and independently pulverize the unit on annular mill disc, wherein each is independently pulverized to include in the unit by the bed of material controller of successively arranging along direction of rotation 8, a 2-6 roller 7, board-like roller sweeper 10, gather materials little scraper plate 11, discharger 9 etc. and forms.Board-like roller sweeper 10 is installed in the front side of roller 7, and the little scraper plate 11 that gathers materials is located at the back of roller 7.All are independently pulverized unit equilibrium on annular mill disc 4 and arrange.The pulverizing element number of pulverizer can be determined according to production scale and concrete condition.
As Fig. 1 and shown in Figure 4, to form by the control flashboard 13 of baffle-box 12 and up-down adjustment but pulverize bed of material controller 8, control flashboard 13 is provided with discontinuous bar shaped ore removal groove 14.As Fig. 1 and shown in Figure 5, discharger 9 is made up of discharger support 15, movable scraping plate support 16 and scraper plate adjusting screw(rod) 17.Movable scraping plate support 16 is connected with discharger support 15, is provided with the scraper plate clamping plate 18 that are used for fixing scraper plate on scraper plate travel(l)ing rest 16, is provided with the screw rod 17 of regulating scraper plate on the scraper plate clamping plate.Scraper plate can be a triangle, also can face directly tilting.
When this machine entered operation, actuating unit 6 drove the gear ring 5 that goes in ring, and gear ring 5 drives and 4 motions of load annular mill disc again.Material bed of material controller 8 feeds each with ore or material and independently pulverizes the unit, and makes ore or material with certain thickness, as 2-15mm, is layered on equably on the annular mill disc 4.Roller 7 is pressed on the flat liner plate 19 of annular mill disc 4 with certain pressure, and with annular mill disc 4 motions, ore or material is pulverized.Be provided with several pulverizing rollers 7 in the unit because each is independently pulverized, the pulverizing pressure of roller 7 increases gradually, makes ore or material to be stressed and increases gradually, and pulverized by rolling for several times.
As Fig. 1 and shown in Figure 8, at the little scraper plate 11 that gathers materials that roller 7 backs are provided with, the little scraper plate 11 that gathers materials is arranged on two edges of flat liner plate 19 in the inclination mode; Little scraper plate 11 is made up of scraper plate 23 and support 24.The little scraper plate 11 that gathers materials can be automatically scraped the material of two edge parts of the annular flat liner plate 19 of annular mill disc 4 to inside; At last, finish ore or material after a complete unit is pulverized, drawn off, enter graded operation, satisfactoryly enter next operation, do not meet coarse grain and return pulverizer and continue to pulverize, thereby finish a complete crushing process by discharger 9.Each independently pulverizes the unit can pulverize different size and different types of ore or material.
In order to make above-mentioned technology obtain better crushing effect, each is independently pulverized the quantity of roller 7 in the unit and should determine according to the test that necessity is carried out in the character and the required milling product requirement of ore and material; Obtain P80<3mm as need, may need the roller 7 more than 3.
Roller 7 roll shafts two ends are placed in the draw-in groove of roller support 30, and are connected with hydraulic cylinder 26, and roller 7 required pulverizing pressure obtain by hydraulic cylinder 26.In operation,,, can make each roller 7 obtain different pulverizing pressure by the pressure of regulator solution cylinder pressure 26 for different ores and material.
As shown in Figure 9, described hydraulic system is made up of accumulator 25, hydraulic cylinder 26, oil feed pump 27 and control system; Two sides at each roller respectively are provided with a hydraulic cylinder 26; The cylinder body of hydraulic cylinder 26 is connected with ground, and two ends of the piston of hydraulic cylinder and roller axle are rigidly connected, and hydraulic cylinder 26 is provided with oil pipe and is connected with accumulator 25, and its oil pipe also is connected with oil feed pump 27 simultaneously.
Hydraulic system can be set the pulverizing pressure of each roller 7 owing to be equipped with accumulator 25, and it is stable at work to keep pulverizing pressure; Oil pump 27 provides pressure for hydraulic system.Each roller skin all is equipped with taper abrasion-proof backing block 28, and the tapering of taper abrasion-proof backing block 28 can be offset roller linear differential radially.
Bed of material controller 8 is installed in each front of independently pulverizing the unit, pulverizes thickness of feed layer with control, makes ore and material obtain best crushing effect.
Each roller 7 rear side can be provided with the little scraper plate 11 that gathers materials as required, and the material of 4 two edge parts of annular mill disc is scraped to inside.
Board-like roller sweeper 10 is a flat blade structure, is used to remove the material and the ore of bonding on the roller 7.
Two sides at the flat liner plate 19 of annular mill disc 4 are provided with the backgauge side plate 29 that is higher than flat liner plate 19, reduce shedding of material in the running.
The present invention is not only simple in structure, easy to operate, and comminution ratio is big, crush efficiency is high, can substitute gyratory crusher in small, broken bits and ball mill simultaneously, simultaneously can realize high throughput production, it can satisfy the needs of enterprise's large-scale production such as various mines and building materials industry fully, is the product that a kind of size reduction machinery updates.

Claims (9)

1. modular roller dish pulverizer, it is characterized in that, this pulverizer comprises: circular orbit (1), annular flat wooden handcart (2), annular mill disc (4), roller (7), pulverizing bed of material controller (8), discharger (9), board-like roller sweeper (10), the little scraper plate (11) that gathers materials, hydraulic system and power set (6), and described annular flat wooden handcart (4) is located at described circular orbit (1) top; Described annular mill disc (4) is made of the flat liner plate (19) that is inlaid on the described flat car (2), is arranged on the top of flat car (2); Described annular flat wooden handcart (2) has an annular framework, is provided with the annular gear ring (5) that is connected with power set (6) on this frame, and this gear ring (5) connects with the power set of being made up of reduction box and motor (6) mutually by gear; Described roller (7) is placed on the annular mill disc (4), and two ends of this roller are connected with hydraulic cylinder (26), is placed on simultaneously in the draw-in groove of roller support (30); A described 2-6 roller (7), pulverizing bed of material controller (8), discharger (9), board-like roller sweeper (10) and the little scraper plate (11) that gathers materials constitute one and independently pulverize the unit, described each each parts of independently pulverizing the unit along the order of arranging of direction of rotation for pulverizing bed of material controller (8), a 2-6 roller (7), discharger (9), board-like roller sweeper (10) is installed in the front side of roller (7), and the little scraper plate (11) that gathers materials is located at the back of roller (7); On annular mill disc (4), be provided with the independent unit of pulverizing that 2-10 equilibrium arranged; Wherein, described pulverizing bed of material controller (8) by baffle-box (12) but and the control flashboard (13) of up-down adjustment form, control flashboard be provided with discontinuous bar shaped ore removal groove (14).
2. according to claims 1 described modular roller dish pulverizer, it is characterized in that described discharger (9) is made up of discharger support (15), movable scraping plate support (16), scraper plate adjusting screw(rod) (17); Movable scraping plate support (16) is connected with discharger support (15), is provided with the scraper plate clamping plate (18) that are used for fixing scraper plate on scraper plate travel(l)ing rest (16), is provided with the screw rod (17) of regulating scraper plate on the scraper plate clamping plate; Scraper plate is triangle or faces directly tilting.
3. according to claims 1 described modular roller dish pulverizer, it is characterized in that, adopt planar annular bearing (20) or belt plane bearing shell (21) to substitute vehicle frame, wheel (3) and the circular orbit (1) of annular flat car (2).
4. according to claims 3 described modular roller dish pulverizers, it is characterized in that, the planar annular bearing (20) that is adopted be ball-type or the roller type.
5. according to claims 3 described modular roller dish pulverizers, it is characterized in that the planar annular bearing shell (21) that is adopted is annular, end face is the plane, is made by copper alloy or babbit; Be provided with oil groove (22) on plane bearing shell (21) end face, following flat car (2) bottom of mill disc (4) is placed on the plane bearing shell (21) through the supporting plane of processing, and contacts with plane bearing shell (21).
6. according to claims 1 described modular roller dish pulverizer, it is characterized in that the set little scraper plate (11) that gathers materials behind each roller; The little scraper plate (11) that gathers materials is arranged on two edges of flat liner plate (19) in the inclination mode; Little scraper plate (11) is made up of scraper plate (23) and support (24).
7. according to claims 1 described modular roller dish pulverizer, it is characterized in that described hydraulic system is made up of accumulator (25), hydraulic cylinder (26), oil feed pump (27) and control system; Two sides at each roller respectively are provided with a hydraulic cylinder (26); The cylinder body of hydraulic cylinder (26) is connected with ground, and two ends of the piston of hydraulic cylinder and roller axle are rigidly connected, and hydraulic cylinder (26) is provided with oil pipe and is connected with accumulator (25), and its oil pipe also is connected with oil feed pump (27) simultaneously.
8. according to claims 1 described modular roller dish pulverizer, it is characterized in that described each roller (7) skin all is equipped with taper abrasion-proof backing block (28), the tapering of taper abrasion-proof backing block is used for offsetting roller linear differential radially.
9. according to claims 1 described modular roller dish pulverizer, it is characterized in that, be provided with the backgauge side plate (29) that is higher than flat liner plate in two sides of flat liner plate (19).
CNB2004100496573A 2004-06-23 2004-06-23 Unit roll-disk breaker Expired - Fee Related CN100336602C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100496573A CN100336602C (en) 2004-06-23 2004-06-23 Unit roll-disk breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100496573A CN100336602C (en) 2004-06-23 2004-06-23 Unit roll-disk breaker

Publications (2)

Publication Number Publication Date
CN1712136A CN1712136A (en) 2005-12-28
CN100336602C true CN100336602C (en) 2007-09-12

Family

ID=35718038

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100496573A Expired - Fee Related CN100336602C (en) 2004-06-23 2004-06-23 Unit roll-disk breaker

Country Status (1)

Country Link
CN (1) CN100336602C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929175B (en) * 2009-06-19 2014-05-14 抚顺矿业集团有限责任公司机械制造厂 Roller disc mechanism
CN103008064B (en) * 2012-12-07 2014-06-25 陈晨 Disc roller pulverizer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1086462A (en) * 1993-06-16 1994-05-11 向学雷 Breaking machine with roller and disk
US5607111A (en) * 1994-04-08 1997-03-04 Loesche Gmbh Method and apparatus for crushing material of different grain size
US6113015A (en) * 1994-11-25 2000-09-05 Loesche Gmbh Roller mill
CN2471412Y (en) * 2001-03-08 2002-01-16 刘江浩 Anually moving multi-roller pulverizer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1086462A (en) * 1993-06-16 1994-05-11 向学雷 Breaking machine with roller and disk
US5607111A (en) * 1994-04-08 1997-03-04 Loesche Gmbh Method and apparatus for crushing material of different grain size
US6113015A (en) * 1994-11-25 2000-09-05 Loesche Gmbh Roller mill
CN2471412Y (en) * 2001-03-08 2002-01-16 刘江浩 Anually moving multi-roller pulverizer

Also Published As

Publication number Publication date
CN1712136A (en) 2005-12-28

Similar Documents

Publication Publication Date Title
CN201132126Y (en) Pre-grinding mill
CN210058463U (en) Super little rubbing crusher tup and use super little rubbing crusher of this tup
CN213000341U (en) Roller structure for high-efficiency grinding ball mill for alumina micropowder
CN202752058U (en) Rotary drum type rotating hammer crusher
CN201135895Y (en) Counterattack plate type fine breaking machine
CN202155971U (en) Coarse crusher for rubber
CN2753456Y (en) Fluid-controlled vertical plate-roller flour mill
CN205570512U (en) Fine -crushing's rubbing crusher can carry out bold iron ore
CN100336602C (en) Unit roll-disk breaker
CN102441487A (en) Integral crushing and separating machine used in magnetite dry pre-separating and tailing discarding
CN2611035Y (en) High-pressure raw material pulverization and vertical type ore-grinding machine
CN1056323C (en) Single granule and multi-external force mill
CN112774833A (en) Vertical roller press, sand making system and sand making method
CN216654723U (en) Device for extracting iron concentrate powder from iron ore
CN113967516B (en) Telescopic ball mill lining plate and combined supporting equipment thereof
CN202191923U (en) Heavy type double-roller sand making machine
CN200939387Y (en) Centrifugal grinder
CN205517942U (en) Fluted roller formula system sand machine
CN101972682B (en) Single-section hammer type screening crusher
CN2925607Y (en) Wetting grinder for processing quartz sand
CN201445972U (en) Double roller type sand maker
CN101455988B (en) Micro-controlled hydraulic fine breaking device
CN2662997Y (en) Hammer crusher
CN102989555A (en) Eccentric grinding roller single and double support ring roller mill
CN202199610U (en) Extruder device for crushing aluminum ash

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070912

Termination date: 20130623