CN110052394A - A kind of ore screening device with shock-absorbing denoising function - Google Patents
A kind of ore screening device with shock-absorbing denoising function Download PDFInfo
- Publication number
- CN110052394A CN110052394A CN201910221313.2A CN201910221313A CN110052394A CN 110052394 A CN110052394 A CN 110052394A CN 201910221313 A CN201910221313 A CN 201910221313A CN 110052394 A CN110052394 A CN 110052394A
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- CN
- China
- Prior art keywords
- sieve
- roll shaft
- plate
- screening
- shock
- 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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling 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
- B07B1/42—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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
The invention discloses a kind of ore screening device with shock-absorbing denoising function, including vertical plate, screening cabinet, crush roller group, the first sieve, the second sieve, third sieve, the 4th sieve, transverse slat and L-type connecting rod, the screening top of the box is connected with case lid, cast hopper is connected at the top of case lid, cast hopper bottom is equipped with crushing roller group, and crushing roller group includes breaker roll one, roll shaft one, crushing teeth, breaker roll two, roll shaft two and motor three；Stabilized structure, it is easy to operate, pass through the setting of multilayer screen cloth, convenient for screening to ore classification, and under the damping of rubber-sole, vibration is reduced, under the driving of spring and L-type connecting rod, cabinet side-to-side movement is screened, the efficiency of ore screening is improved, without installing vibration motor, vibrating effect is more preferable, reduces the noise of vibration motor, and the sieve being made of upper sieve plate and lower sieve plate, staggeredly, so that the slot size that upper sieve pore and lower sieve pore are overlapped is adjusted, convenient for the mesh size of adjustable screen.
Description
Technical field
The present invention relates to technical field of ore extraction, more specifically, it relates to a kind of mine with shock-absorbing denoising function
Stone screening plant.
Background technique
With the rapid development of economy, people's lives level improves, immediately to living facilities, the requirement built etc.
It is higher and higher, therefore the requirement of industry, building to ore classification increases therewith, and screening operation when traditional ore extraction uses
Manpower is completed, and the human cost height and low efficiency of exploitated ore, there are also magnetic plant or ore screening systems in existing market
Ore is screened, and these device structures are complicated and inconvenient, due to using more complicated structure and technology, mine
The price of the magnetic plant of stone and ore screening system etc. is more expensive, and transportation cost is also high, brings inconvenience to ore extraction
Also increase the cost of ore extraction.
Existing mineral breaker crush efficiency is lower, does not have the function of production different size ore particles, sieve screen apertures
Diameter can not be adjusted.
Accordingly, it is desirable to provide a kind of new technical solution solves above-mentioned technical problem.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of ore with shock-absorbing denoising function
Screening plant, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of ore screening device with shock-absorbing denoising function, including vertical plate, screening cabinet, crushing roller group, the first sieve
Net, the second sieve, third sieve, the 4th sieve, transverse slat and L-type connecting rod, the screening top of the box are connected with case lid, case lid top
Portion connects cast hopper, and cast hopper bottom is equipped with crushing roller group, crushes roller group and includes breaker roll one, roll shaft one, crushing teeth, is crushed
Roller two, roll shaft two and motor three, be sequentially installed in screen box body from top to bottom the first sieve, the second sieve, third sieve and
4th sieve, first sieve, the second sieve, third sieve and the 4th screen bottom are mounted on discharge port, discharge port bottom
Portion is equipped with discharge bucket, and material stop valve is equipped on discharge bucket, and the screening bottom of box is welded with sliding block, and sliding block is slidably arranged in transverse slat
On sliding slot in, screening body side be connected with several springs, spring is fixed on vertical plate, and vertical plate bottom is fixed on transverse slat,
It is equipped with through hole in the middle part of vertical plate, L-type connecting rod is equipped in through hole, L-type connecting rod one end is fixedly connected with screening cabinet, screens cabinet
The other end offsets with cam, and cam is mounted on the motor shaft of motor one.
Further, it is bolted between the case lid and screening cabinet, cast hopper inner wall is equipped with wearing layer.
Further, the breaker roll one is mounted on roll shaft one, and breaker roll two is mounted on roll shaft two, breaker roll one and broken
Broken two surface of roller is equipped with several crushing teeths, and the same end of the roll shaft one and roll shaft two is pierced by cast hopper, welds on roll shaft one
It is connected to gear two, gear one is welded on roll shaft two, gear one and gear two are meshed, and the other end of roll shaft two is pierced by cast hopper
Connect motor three.
Further, the screening bottom of box is equipped with pushing screw rod, and helical blade, pusher spiral shell are welded in pushing screw rod
Bar connects motor two.
Further, the transverse slat bottom is equipped with resilient cushion, and resilient cushion bottom connects pedestal, is connected with bolt on pedestal.
Further, first sieve, the second sieve, third sieve and the 4th mesh structure are identical, the first sieve, second
The sieve pore of sieve, third sieve and the 4th sieve is sequentially reduced from top to bottom, the first sieve, the second sieve, third sieve and
Four sieves are made of upper sieve plate and lower sieve plate, and sieve pore is offered on upper sieve plate, offer lower sieve pore on lower sieve plate, it is described on
Sieve plate two sides of the bottom are equipped with sideslip bar, and lower sieve plate top two sides are equipped with side chute, and sideslip bar is arranged in side chute, on upper sieve plate
It is connected with locking screw, locking screw connects upper sieve plate and lower sieve plate.
Further, the sideslip bar is in T font structure, and sideslip bar is inlayed and is slidably arranged in side chute.
In conclusion compared with the prior art, the invention has the following beneficial effects:
Structure of the invention is firm, easy to operate, by the setting of multilayer screen cloth, convenient for being screened to ore classification, and
Under the damping of rubber-sole, vibration is reduced, under the driving of spring and L-type connecting rod, cabinet side-to-side movement is screened, improves ore screening
Efficiency, without installing vibration motor, vibrating effect is more preferable, reduces the noise of vibration motor, and by upper sieve plate and lower sieve
Board group at sieve, it is staggeredly, big convenient for the mesh of adjustable screen to adjust the slot size that upper sieve pore and lower sieve pore are overlapped
It is small.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to this hair
It is bright to be described in detail.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram that roller group is crushed in the present invention.
Fig. 3 is the structural schematic diagram of side chute in the present invention.
Fig. 4 is the schematic cross-section of sieve plate in the present invention.
Appended drawing reference: 1- vertical plate, 2- spring, 3- screening cabinet, 4- cast hopper, 5- crush roller group, 6- wearing layer, 7- case
Lid, the first sieve of 8-, 9- discharge port, 10- discharge bucket, 11- material stop valve, the second sieve of 12-, 13- third sieve, 14- the 4th sieve
Net, 15- helical blade, 17- pushing screw rod, 18- bolt, 19- sliding block, 20- transverse slat, 21- resilient cushion, 22- pedestal, 23- motor
One, 24- cam, 25-L type connecting rod, 26- through hole, 27- motor two, 28- breaker roll one, 29- roll shaft one, 30- crushing teeth, 31-
It is sieved under breaker roll two, 32- roll shaft two, 33- motor three, 34- gear one, 35- gear two, 36- upper sieve plate, the upper sieve pore of 37-, 38-
Sieve pore, 40- side chute, 41- sideslip bar, 42- locking screw under plate, 39-.
Specific embodiment
The following further describes the technical solution of the present invention in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1-4, a kind of ore screening device with shock-absorbing denoising function, including vertical plate 1, screening cabinet 3, crushing
Roller group 5, the first sieve 8, the second sieve 12, third sieve 13, the 4th sieve 14, transverse slat 20 and L-type connecting rod 25, the screen box
It is connected with case lid 7 at the top of body 3, is bolted between case lid 7 and screening cabinet 3, cast hopper 4 is connected at the top of case lid 7, is fed intake
4 inner walls that struggle against are equipped with wearing layer 6, and 4 bottom of cast hopper, which is equipped with, crushes roller group 5, and crushing roller group 5 includes breaker roll 1, roll shaft
One 29, crushing teeth 30, breaker roll 2 31, roll shaft 2 32 and motor 3 33, the breaker roll 1 are mounted on roll shaft 1, are broken
Broken roller 2 31 is mounted on roll shaft 2 32, and breaker roll 1 and 2 31 surface of breaker roll are equipped with several crushing teeths 30, the roller
The same end of axis 1 and roll shaft 2 32 is pierced by cast hopper 4, and gear 2 35 is welded on roll shaft 1, is welded on roll shaft 2 32
There is gear 1, gear 1 and gear 2 35 are meshed, and the other end of roll shaft 2 32 is pierced by cast hopper 4 and connects motor 3 33,
Under the driving of motor 3 33, gear 1 and gear 2 35 are driven, breaker roll 1 and breaker roll 2 31 by the two it
Between ore reduction.
The first sieve 8, the second sieve 12, third sieve 13 and are sequentially installed in the screening cabinet 3 from top to bottom
Four sieves 14, first sieve 8, the second sieve 12, third sieve 13 and 14 bottom of the 4th sieve are mounted on discharge port 9,
9 bottom of discharge port is equipped with discharge bucket 10, and material stop valve 11 is equipped on discharge bucket 10.
3 bottom of screening cabinet is equipped with pushing screw rod 17, and helical blade 15, pusher spiral shell are welded in pushing screw rod 17
Bar 17 connects motor 2 27, and motor 2 27 drives pushing screw rod 17 and helical blade 15 rotates thereon, will screen 3 bottoms of cabinet
Material is released.
3 bottom of screening cabinet is welded with sliding block 19, and sliding block 19 is slidably arranged in the sliding slot on transverse slat 20, screen box
3 side of body is connected with several springs 2, and spring 2 is fixed on vertical plate 1, and 1 bottom of vertical plate is fixed on transverse slat 20, in the vertical plate 1
Portion is equipped with through hole 26, and L-type connecting rod 25 is equipped in through hole 26, and 25 one end of L-type connecting rod is fixedly connected with screening cabinet 3, screening
3 other end of cabinet offsets with cam 24, and cam 24 is mounted on the motor shaft of motor 1.
20 bottom of transverse slat is equipped with resilient cushion 21, and 21 bottom of resilient cushion connects pedestal 22, is connected with bolt on pedestal 22
18。
First sieve 8, the second sieve 12, third sieve 13 are identical with 14 structure of the 4th sieve, the first sieve 8,
The sieve pore of two sieves 12, third sieve 13 and the 4th sieve 14 is sequentially reduced from top to bottom, the first sieve 8, the second sieve 12,
Three sieves 13 and the 4th sieve 14 are made of upper sieve plate 36 and lower sieve plate 38, and sieve pore 37, lower sieve are offered on upper sieve plate 36
Lower sieve pore 39 is offered on plate 38,36 two sides of the bottom of upper sieve plate are equipped with sideslip bar 41, and lower 38 top two sides of sieve plate are equipped with side
Sliding slot 40, sideslip bar 41 are arranged in side chute 40, and locking screw 42 is connected on upper sieve plate 36, is sieved in the connection of locking screw 42
Plate 36 and lower sieve plate 38.
The sideslip bar 41 is in T font structure, and sideslip bar 41 is inlayed and is slidably arranged in side chute 40.
The upper sieve plate 36 and lower sieve plate 38 interlock, so that the slot size that upper sieve pore 37 and lower sieve pore 39 are overlapped is adjusted,
Convenient for the mesh size of adjustable screen.
The technical principle of the invention is described above in combination with a specific embodiment, is only the preferred embodiment of the present invention.This
The protection scope of invention is not limited merely to above-described embodiment, and all technical solutions belonged under thinking of the present invention belong to the present invention
Protection scope.Those skilled in the art, which does not need to pay for creative labor, can associate other specific realities of the invention
Mode is applied, these modes will fall within the scope of protection of the present invention.
Claims (7)
1. a kind of ore screening device with shock-absorbing denoising function, including vertical plate (1), screening cabinet (3), crush roller group (5),
First sieve (8), the second sieve (12), third sieve (13), the 4th sieve (14), transverse slat (20) and L-type connecting rod (25), it is special
Sign is, is connected with case lid (7) at the top of the screening cabinet (3), connects cast hopper (4) at the top of case lid (7), cast hopper (4) bottom
Portion, which is equipped with, crushes roller group (5), and crushing roller group (5) includes breaker roll one (28), roll shaft one (29), crushing teeth (30), breaker roll
Two (31), roll shaft two (32) and motor three (33), screening cabinet (3) is interior to be sequentially installed with the first sieve (8), second from top to bottom
Sieve (12), third sieve (13) and the 4th sieve (14), first sieve (8), the second sieve (12), third sieve (13)
It is mounted on discharge port (9) with the 4th sieve (14) bottom, discharge port (9) bottom is equipped with discharge bucket (10), discharge bucket (10)
On be equipped with material stop valve (11), screening cabinet (3) bottom be welded with sliding block (19), sliding block (19) is slidably arranged on transverse slat (20)
Sliding slot in, screening cabinet (3) side be connected with several springs (2), spring (2) is fixed on vertical plate (1), vertical plate (1) bottom
It is fixed on transverse slat (20), is equipped with through hole (26) in the middle part of vertical plate (1), be equipped with L-type connecting rod (25), L-type in through hole (26)
Connecting rod (25) one end is fixedly connected with screening cabinet (3), and screening cabinet (3) other end offsets with cam (24), cam (24) installation
On the motor shaft of motor one (23).
2. a kind of ore screening device with shock-absorbing denoising function according to claim 1, which is characterized in that the case
It is bolted between lid (7) and screening cabinet (3), cast hopper (4) inner wall is equipped with wearing layer (6).
3. a kind of ore screening device with shock-absorbing denoising function according to claim 2, which is characterized in that described broken
Broken roller one (28) is mounted on roll shaft one (29), and breaker roll two (31) is mounted on roll shaft two (32), breaker roll one (28) and broken
Broken roller two (31) surface is equipped with several crushing teeths (30), and the same end of the roll shaft one (29) and roll shaft two (32) is pierced by throwing
Hopper (4) is welded with gear two (35) on roll shaft one (29), gear one (34), gear one (34) is welded on roll shaft two (32)
It is meshed with gear two (35), the other end of roll shaft two (32) is pierced by cast hopper (4) connection motor three (33).
4. a kind of ore screening device with shock-absorbing denoising function according to claim 3, which is characterized in that the sieve
It selects cabinet (3) bottom to be equipped with pushing screw rod (17), is welded in pushing screw rod (17) helical blade (15), pushing screw rod (17)
It connects motor two (27).
5. a kind of ore screening device with shock-absorbing denoising function according to claim 4, which is characterized in that the cross
Plate (20) bottom is equipped with resilient cushion (21), and resilient cushion (21) bottom connects pedestal (22), is connected with bolt (18) on pedestal (22).
6. a kind of ore screening device with shock-absorbing denoising function according to claim 5, which is characterized in that described
One sieve (8), the second sieve (12), third sieve (13) are identical with the 4th sieve (14) structure, the first sieve (8), the second sieve
The sieve pore of net (12), third sieve (13) and the 4th sieve (14) is sequentially reduced from top to bottom, the first sieve (8), the second sieve
(12), third sieve (13) and the 4th sieve (14) are made of upper sieve plate (36) and lower sieve plate (38), and upper sieve plate is opened on (36)
It equipped with upper sieve pore (37), is offered lower sieve pore (39) on lower sieve plate (38), upper sieve plate (36) two sides of the bottom are equipped with sideslip bar
(41), lower sieve plate (38) top two sides are equipped with side chute (40), and sideslip bar (41) setting is in side chute (40), upper sieve plate (36)
On be connected with locking screw (42), locking screw (42) connects upper sieve plate (36) and lower sieve plate (38).
7. a kind of ore screening device with shock-absorbing denoising function according to claim 6, which is characterized in that the side
Draw runner (41) is in T font structure, and sideslip bar (41) is inlayed and is slidably arranged in side chute (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221313.2A CN110052394A (en) | 2019-03-22 | 2019-03-22 | A kind of ore screening device with shock-absorbing denoising function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221313.2A CN110052394A (en) | 2019-03-22 | 2019-03-22 | A kind of ore screening device with shock-absorbing denoising function |
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| CN110052394A true CN110052394A (en) | 2019-07-26 |
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| CN201910221313.2A Pending CN110052394A (en) | 2019-03-22 | 2019-03-22 | A kind of ore screening device with shock-absorbing denoising function |
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| CN113083484A (en) * | 2021-04-22 | 2021-07-09 | 蔡光利 | Mining vehicle with screening device and using method thereof |
| CN113414096A (en) * | 2021-06-02 | 2021-09-21 | 三一重型装备有限公司 | Screen assembly, machine-made sand screening method and machine-made sand screening equipment |
| CN116748114A (en) * | 2023-06-12 | 2023-09-15 | 沂水开泰矿业有限公司 | Ore screening and grading integrated machine and screening and grading method |
| CN117299541A (en) * | 2023-11-29 | 2023-12-29 | 山东华联矿业股份有限公司 | Ore screening plant that mining was used |
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| CN113414096A (en) * | 2021-06-02 | 2021-09-21 | 三一重型装备有限公司 | Screen assembly, machine-made sand screening method and machine-made sand screening equipment |
| CN116748114A (en) * | 2023-06-12 | 2023-09-15 | 沂水开泰矿业有限公司 | Ore screening and grading integrated machine and screening and grading method |
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Application publication date: 20190726 |