CN106269069A - A kind of grating rotates hammer mill - Google Patents
A kind of grating rotates hammer mill Download PDFInfo
- Publication number
- CN106269069A CN106269069A CN201610802777.9A CN201610802777A CN106269069A CN 106269069 A CN106269069 A CN 106269069A CN 201610802777 A CN201610802777 A CN 201610802777A CN 106269069 A CN106269069 A CN 106269069A
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- CN
- China
- Prior art keywords
- grating
- weight
- assembly
- driving means
- driven
- 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.)
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/13—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft and combined with sifting devices, e.g. for making powdered fuel
-
- 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
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
- B02C13/284—Built-in screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a kind of grating and rotate hammer mill, including casing, weight-driven, grating device, the first driving means, the second driving means, grating device includes grating assembly, annular that grating assembly is made up of multiple gratings arranged in parallel or U-shaped structure, grating assembly is wrapped in outside weight-driven, and the first driving means is connected driving grating assembly and rotates with grating assembly.In the present invention, when running into the high viscous material of moisture content, when material is got on grating, some can be bonded at grating surface, due to the rotation of grating, the material that it adheres to can come off when grating activity or be fallen by material pounding when grating Angulation changes, is turning finally to extrusion chamber and cleans out through tup crush and grind, thus solid accumulation can be prevented effectively from, stop the generation of putty situation.
Description
Technical field
The present invention relates to object crushing technology field, particularly relate to a kind of grating and rotate hammer mill.
Background technology
At materials such as gangue, shale, mine tailing, clays in shattering process, material is beaten rapidly after contacting with quartering hammer
To counterpunch board, return after clashing into and carry out second-time breakage with material and quartering hammer, so circulate, through quartering hammer and sieve plate
Extruding is reached qualified material and is discharged by sieve plate, and shattering process completes;But when running into the high viscous material of moisture content, material is got to
Counterpunch board, some meeting stick on top is the most long-pending more thick, causes crusher chamber, sieve plate stifled real, and crushing effect is substantially reduced, and motor load increases
Greatly, cracking hammer head serious wear;Stop and be the most firmly difficult to clean up when clearing up material, waste time and energy.
Summary of the invention
The present invention mainly solves the problem in the presence of prior art, thus provides one can prevent in shattering process
The disintegrating machine of materials from bonding, owing to entirely arranging, between grating, and adjacent two gratings, there is gap along sledgehammer strike direction, can three
Degrees discharge, improves crushing efficiency.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals:
A kind of grating of the present invention rotates hammer mill, including with lower component:
Casing, is used for accommodating material;
Weight-driven, for impacting material in casing;
Grating device, is used for driving grating to rotate along weight-driven;
First driving means, is used for driving grating device to move;
Second driving means, moves for driving weight device;
Described grating device, weight-driven are installed in described casing internal, described first driving means and grating device
Connecting, described second driving means is connected with weight-driven;
Described grating device includes grating assembly, the annular that grating assembly is made up of multiple gratings arranged in parallel
Or U-shaped structure, described grating assembly is wrapped in outside described weight-driven, and described first driving means is with described grating assembly even
Connect the described grating assembly of driving to rotate, and chassis cavity is also divided into crusher chamber and extrusion chamber by described grating assembly.
Further, described grating device also includes the two groups of ring chains being arranged on grating assembly both sides, each described
The two ends of grating are connected with the chain at two ends respectively, and the left and right sides of described casing is further opened with two groups of annular gathering sills, two groups
Ring chain is separately mounted in two groups of gathering sills.
Connection between described grating and chain can be realized by following structure: is provided with the shift fork of groove on chain, sieve
Bar two ends can be inserted in the groove of above-mentioned shift fork.
What adjacent grating two ends interlocked respectively is provided with convex shoulder, and the convex shoulder of adjacent grating is crisscross arranged, and this cross structure can
Effectively stop that material particles enters the position such as shift fork groove and chain, thus effectively keep away the abrasion reducing associated components.
Gap between adjacent shift fork is also considered as being easy to the structure that grating inserts, and constitutes shift fork.
The two ends of described ring chain bearing pin are additionally provided with bearing pulley, and this bearing pulley, by sliding friction, changes into rolling
Friction, is not only effectively reduced the friction between chain and gathering sill, also can extend chain and gathering sill while saving power
Service life.
Further, described cabinet sides is provided with charging aperture, and charging aperture is between weight drive shaft and grating assembly.
Conventional disintegrating machine is all to be fed by casing top, owing to the present invention arranges the grating assembly of rotation at weight periphery, so entering
Material mouth cannot be arranged according to usual way, and the material that need to pulverize is introduced broken by charging aperture by the present invention by this charging aperture
Chamber, this is set-up mode the most succinct, efficient.
Further, the first motor that described first driving means includes being sequentially connected with, the first reductor, the first rotating shaft,
Being provided with two sprocket wheels in described first rotating shaft, two described sprocket wheels are connected with two groups of ring chains respectively.
Further, described weight-driven includes the second main shaft, and described second main shaft is provided with multiple counterweight component, institute
State counterweight component and include being arranged on the rotating disk of pair of parallel setting on described second main shaft, on the rotating disk on multiple counterweight components altogether
With being equipped with multiple weight rotating shaft, and multiple weight rotating shaft is uniform along described second main-shaft axis, two rotating disks on counterweight component
Between weight rotating shaft on weight is installed.
Further, described second driving means includes the second motor, and the output shaft of described second motor is provided with
One belt wheel, described second main shaft is provided with the second belt wheel, described second belt wheel and the first belt wheel and is connected by multiple transmission bands.
Further, described chassis cavity width adapts with grating length.
Further, described chassis cavity cross section is longitudinal kidney-shaped structure, under described second main-shaft axis and chassis cavity
Centrage overlaps.
Compared with prior art, it is an advantage of the current invention that: operationally, the material entering crusher chamber is broken heavily equipment
Hammering is got on grating, and material is further crushed with grating collision rift, and the material reaching particle size after cracking is arranged through grating gap
Going out, the material not reaching particle size after cracking is impacted by weight again, and the most broken with grating collision, until it reaches corresponding granularity,
Discharging through grating, grating plays the effect of counterpunch board;Discharging-material size determines according to grating gap;When running into the viscosity that moisture content is high
During material, when material is got on grating, some can be bonded at grating surface, due to the rotation of grating, the material meeting that it adheres to
Come off when grating activity and grating Angulation changes is fallen by material pounding, be turning finally to extrusion chamber dry through the cleaning of tup crush and grind
Only, thus solid accumulation can be prevented effectively from, stop the generation of putty situation.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of grating rotation hammer mill of the present invention;
Fig. 2 is the right view of a kind of grating rotation hammer mill of the present invention;
Fig. 3 is the structural representation of the grating device of the present invention;
Description of reference numerals: 1, casing, 2, weight-driven, 3, grating device, the gap 3124, first between grating drives dress
Put, the 5, second driving means, 11, crusher chamber, 12, extrusion chamber, 13, gathering sill, 14, lower centrage, the 21, second main shaft, 22, weight
Hammer assembly, 31, grating assembly, 32, ring chain, the 41, first motor, the 42, first reductor, the 43, first rotating shaft, 44, sprocket wheel,
51, the second motor, the 52, first belt wheel, the 53, second belt wheel, 54, transmission band, 221, rotating disk, 222, weight rotating shaft, 223, weight,
311, grating, 312, gap between grating, 313, convex shoulder, 314, shift fork, 315 grooves, 316, bearing pulley, 317, adjacent shift fork
Between gap, 318, bearing pin, 319, chain and chain-plate, 6, charging aperture.
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiments of the present invention are described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Refering to shown in Fig. 1 to Fig. 3, a kind of grating that the present invention provides rotates hammer mill, including with lower component:
Casing 1, is used for accommodating material;
Weight-driven 2, for impacting material in casing 1;
Grating device 3, is used for driving grating 311 to rotate along weight-driven 2;
First driving means 4, is used for driving grating device 3 to move;
Second driving means 5, moves for driving weight device 2;
It is internal that grating device 3, weight-driven 2 are installed in casing 1, and the first driving means 4 is connected with grating device 3, the
Two driving means 5 are connected with weight-driven 2;
Described cabinet sides is provided with charging aperture 6, and charging aperture 6 is between weight drive shaft and grating assembly.Conventional
Disintegrating machine is all to be fed by casing top, owing to the present invention arranges the grating assembly of rotation at weight periphery, so charging aperture is difficult
To arrange according to usual way, the material that need to pulverize is introduced crusher chamber by this charging aperture by charging aperture by the present invention, and this is
Set-up mode the most succinct, efficient;
Grating device 3 includes grating assembly 31, and grating assembly 31 is made up of multiple gratings 311 arranged in parallel
Loop configuration, it is outside that grating assembly 31 is wrapped in weight-driven 2, and the first driving means 4 is connected driving grating with grating assembly 31
Assembly 31 rotates, and casing 1 lumen segmentation is also crusher chamber 11 and extrusion chamber 12 by grating assembly 31.
Operationally, the material entering crusher chamber 11 is impacted the equipment of the present invention by the broken weight in weight-driven 2
On grating 311, material is further crushed with grating 311 collision rift, reaches the material of the particle size after cracking gap through between grating
312 discharge, and the material not reaching particle size after cracking is impacted by weight again, and collide the most broken with grating 311, until it reaches phase
Answering granularity, the gap through between grating 311 is discharged, and grating 311 also acts as the effect of counterpunch board simultaneously;Adjacent grating 311 gap root
Determine according to grinding particle size needed for material;When running into the high viscous material of moisture content, when material is got on grating 311, some
Can be bonded at grating 311 surface, due to the rotation of grating 311, the material that it adheres to can come off and grating when grating 311 is movable
311 Angulation changes are fallen by material pounding, are turning finally to extrusion chamber 12 and clean out through tup crush and grind, thus can be prevented effectively from
Solid accumulation, stops the generation of putty situation.
Concrete, grating device 3 also includes the two groups of ring chains 32 being arranged on grating assembly 31 both sides, each grating
The two ends of 311 are connected with the ring chain 32 at two ends respectively, and the left and right sides of casing 1 is further opened with two groups of annular gathering sills 13,
Two groups of ring chains 32 are separately mounted in two groups of annular gathering sills 13.First driving means rotates by driving ring chain 32
Grating device 3 can be driven to rotate, and when grating device 3 rotates to different angles, the drift angle of grating 311 is different, is conducive to
The material that material bonding on grating 311 is shed shoots down.Grating 311 two ends can also be connected by annular toothed chain and drive.
Gathering sill 13 can also be replaced by and fix ring chain by multiple tightener sprockets.
As it is shown on figure 3, the connection between described grating 311 and ring chain 32 can be realized by following structure: ring chain
On be provided with the shift fork 314 of groove 315, grating two ends can be inserted in the groove 315 of above-mentioned shift fork 314, adjacent grating two ends
Interlock respectively is provided with convex shoulder 313, and the convex shoulder of adjacent grating is crisscross arranged, and this cross structure can effectively stop that material particles enters
Enter the positions such as shift fork groove and chain, thus effectively reduce the abrasion of associated components.In present embodiment, between adjacent shift fork between
Gap 317 is also considered as being easy to the structure that grating inserts, and constitutes shift fork.It is sliding that the two ends of described ring chain bearing pin are additionally provided with bearing
Wheel 316, this bearing pulley 316, by sliding friction, changes rolling friction into, and be not only effectively reduced between chain and gathering sill rubs
Wipe, while saving power, also can extend the service life of chain and gathering sill.
In present embodiment, above-mentioned shift fork 314 is more preferably located on the end of chain hinge pin 318, and shift fork both can be with
Bearing pin or carrier bar be set to one, it is possible to be fabricated separately after be fixed with one with suitable way.
It may also be noted that can be matched in clearance between grating end and shift fork groove, make grating both can be driven by shift fork,
Also certain swing can be had in running to be beneficial to de-material.
First driving means 4 includes first motor the 41, first reductor the 42, first rotating shaft 43 being sequentially connected with, first turn
Being provided with two sprocket wheels 44 on axle 43, two sprocket wheels 44 are connected with two groups of ring chains 32 respectively.First motor 41 is by first
Reductor 42 rear drive the first rotating shaft 43 of slowing down rotates, and drives two groups of ring chains 32 to rotate by two sprocket wheels 44, thus carries
Dynamic grating 311 rotates around weight-driven 2.
Concrete, weight-driven 2 includes the second main shaft 21, and the second main shaft 21 is provided with multiple counterweight component 22, weight
Assembly 22 includes being arranged on the rotating disk 221 of pair of parallel setting on the second main shaft 21, on the rotating disk 221 of multiple counterweight components 22 altogether
With being equipped with multiple weight rotating shaft 222, and multiple weight rotating shaft 222 is uniform along the second main shaft 21 axis, on counterweight component 22 two
In weight rotating shaft 222 between individual rotating disk 221, weight 223 is installed.Second driving means 5 includes the second motor 51, the second electricity
First belt wheel 52 is installed on the output shaft of machine 51, the second main shaft 21 is provided with the second belt wheel 53, the second belt wheel 53 and first
Belt wheel 52 is connected by multiple transmission bands 54.
Second motor 51 is rotated through the first belt wheel 52, transmission band the 54, second belt wheel 53 drives the second main shaft 21 to rotate, the
Two main shafts 21 drive multiple counterweight component 22 to rotate, thus drive the weight 223 in weight rotating shaft 222 to revolve around the second main shaft 21
Turn, impact material, and weight 223 can rotate around weight rotating shaft 222, when the material of casing 1 intracavity bottom is too much or really up to the mark
Time, weight 223 impacts material, and weight 223 rotates slightly around weight rotating shaft 222, by repeatedly impacting material, until material is clapped
Break broken.This weight-driven 2 can also use other weight-drivens 2 to impact material and nor affect on the enforcement of the present embodiment.
Optimum, casing 1 lumen width adapts with grating 311 length.So be arranged in crusher chamber 11 is broken
Material is merely able to the space discharge between adjacent two gratings 311.Casing 1 intracavity section is longitudinal kidney-shaped structure, and second is main
Axle 21 axis overlaps with centrage 14 under casing 1 inner chamber.After falling into casing 1 inner chamber due to material, all fall within bottom crusher chamber 11,
So being positioned close to bottom crusher chamber 11 by weight-driven 2, weight 223 can be crushed to more material.
It is pointed out that grating spread pattern shown in accompanying drawing is arranged for the annular closed, sieve in actual applications
Bar arrangement also may be configured as the form of U-shaped structure, i.e. upper opening, and it is reciprocal that the now motion of grating may be set to along gathering sill
Motion, charging aperture may be provided at above casing.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
The change expected without creative work or the structure for variety classes sub-material replaced, all should contain the protection in the present invention
Within the scope of.The type of drive of such as grating also can use various suitable modes in the prior aries such as gear driving, for another example.Cause
This, protection scope of the present invention should be as the criterion with the protection domain that claims are limited.
Claims (6)
1. a grating rotates hammer mill, it is characterised in that include with lower component:
Casing (1), is used for accommodating material;
Weight-driven (2), for impacting material in casing (1);
Grating device (3), is used for driving grating (311) to rotate along weight-driven (2);
First driving means (4), is used for driving grating device (3) to move;
Second driving means (5), moves for driving weight device (2);
It is internal that described grating device (3), weight-driven (2) are installed in described casing (1), described first driving means (4) with
Grating device (3) connects, and described second driving means (5) is connected with weight-driven (2);
Described grating device (3) includes that grating assembly (31), grating assembly (31) are by multiple gratings arranged in parallel
(311) loop configuration formed or U-shaped structure, it is outside that described grating assembly (31) is wrapped in described weight-driven (2), and described the
One driving means (4) is connected the described grating assembly (31) of driving and rotates with described grating assembly (31).
Grating the most according to claim 1 rotates hammer mill, it is characterised in that: described grating device (3) also includes
Be arranged on two groups of chains (32) of grating assembly (31) both sides, the two ends of each described grating (311) respectively with the chain at two ends
(32) connecting, the left and right sides of described casing (1) is further opened with two groups of annulars or U-shaped gathering sill (13), two groups of ring chains
(32) it is separately mounted in two groups of gathering sills (13).
Grating the most according to claim 2 rotates hammer mill, it is characterised in that: the connection between described grating and chain
Being realized by following structure: be provided with the shift fork of groove on ring chain, grating two ends can be inserted in the groove of above-mentioned shift fork.
Grating the most according to claim 3 rotates hammer mill, it is characterised in that: adjacent grating two ends interlock respectively
Being provided with convex shoulder, the convex shoulder of adjacent grating is crisscross arranged.
5. rotate hammer mill according to the grating according to any one of claim 1-4, it is characterised in that: described cabinet sides
It is provided with charging aperture, between charging aperture is on the upside of weight drive shaft and inside grating assembly.
Grating the most according to claim 2 rotates hammer mill, it is characterised in that: described first driving means (4) is wrapped
Include be sequentially connected with the first motor (41), the first reductor (42), the first rotating shaft (43), described first rotating shaft (43) is provided with
Two sprocket wheels (44), two described sprocket wheels (44) are connected with two groups of ring chains (32) respectively.
Priority Applications (1)
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CN201610802777.9A CN106269069A (en) | 2016-09-03 | 2016-09-03 | A kind of grating rotates hammer mill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610802777.9A CN106269069A (en) | 2016-09-03 | 2016-09-03 | A kind of grating rotates hammer mill |
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CN106269069A true CN106269069A (en) | 2017-01-04 |
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CN201610802777.9A Pending CN106269069A (en) | 2016-09-03 | 2016-09-03 | A kind of grating rotates hammer mill |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107230770A (en) * | 2017-07-12 | 2017-10-03 | 湖南艾威尔新能源科技有限公司 | Anode material of lithium battery production system |
CN108855402A (en) * | 2018-08-14 | 2018-11-23 | 湖南金凯循环科技有限公司 | A kind of lithium battery recycling crushing device with screening function |
CN109833943A (en) * | 2017-11-28 | 2019-06-04 | 宋加龙 | Birotor scrap steel crusher and breaking method |
CN110605233A (en) * | 2019-09-23 | 2019-12-24 | 福建泉工股份有限公司 | Building waste screening device and screening method |
CN110612817A (en) * | 2019-10-28 | 2019-12-27 | 金华职业技术学院 | Differential axial flow threshing device |
CN114100775A (en) * | 2021-09-30 | 2022-03-01 | 山东鑫海科技股份有限公司 | Ore crushing device for high-nickel alloy refining and using method thereof |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107230770A (en) * | 2017-07-12 | 2017-10-03 | 湖南艾威尔新能源科技有限公司 | Anode material of lithium battery production system |
CN107230770B (en) * | 2017-07-12 | 2023-06-02 | 湖南艾威尔新能源科技有限公司 | Lithium battery anode material production system |
CN109833943A (en) * | 2017-11-28 | 2019-06-04 | 宋加龙 | Birotor scrap steel crusher and breaking method |
CN108855402A (en) * | 2018-08-14 | 2018-11-23 | 湖南金凯循环科技有限公司 | A kind of lithium battery recycling crushing device with screening function |
CN108855402B (en) * | 2018-08-14 | 2024-03-19 | 湖南金凯循环科技股份有限公司 | Lithium cell retrieves and uses breaker with screening function |
CN110605233A (en) * | 2019-09-23 | 2019-12-24 | 福建泉工股份有限公司 | Building waste screening device and screening method |
CN110605233B (en) * | 2019-09-23 | 2024-03-01 | 福建泉工股份有限公司 | Building waste screening device and screening method |
CN110612817A (en) * | 2019-10-28 | 2019-12-27 | 金华职业技术学院 | Differential axial flow threshing device |
CN114100775A (en) * | 2021-09-30 | 2022-03-01 | 山东鑫海科技股份有限公司 | Ore crushing device for high-nickel alloy refining and using method thereof |
CN114100775B (en) * | 2021-09-30 | 2022-12-13 | 山东鑫海科技股份有限公司 | Ore crushing device for high-nickel alloy refining and using method thereof |
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Application publication date: 20170104 |