CN108686750A - A kind of exploitation of mineral resources ore crushing and screening equipment integrating - Google Patents
A kind of exploitation of mineral resources ore crushing and screening equipment integrating Download PDFInfo
- Publication number
- CN108686750A CN108686750A CN201810480310.6A CN201810480310A CN108686750A CN 108686750 A CN108686750 A CN 108686750A CN 201810480310 A CN201810480310 A CN 201810480310A CN 108686750 A CN108686750 A CN 108686750A
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- Prior art keywords
- screen box
- crushing
- exploitation
- crush
- plate
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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
- 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
- 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
- B02C4/28—Details
-
- 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
- B02C4/28—Details
- B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
-
- 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
- B07B1/30—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of exploitation of mineral resources ore crushing and screening equipment integratings, including pedestal, crush screen box, crushing wheel, crush plate, crush screen box and, the pedestal, which is equipped with, crushes screen box, it crushes and is bolted to connection between screen box and pedestal, the crushing screen box is internally provided with crushing wheel, the inner tip for crushing screen box and centre position are equipped with guide rail, are slidably fitted with crushing plate on guide rail, the first screen box and the second screen box are slidably fitted with respectively on slide bar.It can also start to rotate by the first driving motor band moving cam in crushing process, cam crushes plate in the extruding of rotation process intermittent, to change the spacing crushed between plate and crushing wheel, plays the effect that pressurization crushes, greatly improves the effect of crushing;By realizing that the first screen box and the second screen box move left and right, to make speed that ore particles screen faster, while the first screen box and the second screen box are set so that it is guaranteed that the ore particles after screening comply fully with granular size requirement.
Description
Technical field
The present invention relates to exploitation of mineral resources field, specifically a kind of exploitation of mineral resources ore crushing and screening equipment integrating.
Background technology
Ore refers to the mineral aggregate that can therefrom extract useful constituent or itself have certain performance that can be utilized.
Metalliferous mineral, nonmetallic mineral can be divided into.With the continuous development of mining industry industry, ore is big according to particle from meeting is exploited
It is to weigh the major criterion of ore that the different parameters such as small, ingredient, which are divided into different brackets, especially granular size,;Particle is excessive or mistake
The small price for all influencing ore, and the materials such as slag, ore are that more frequent building materials are used in architectural process, but it is common
Stone material average physique is larger, is unsatisfactory for the requirement of building stone.
The excessive ore needs of particle are ground into smaller ore and are sieved at present, and existing is typically all worker
It holds iron hammer slowly to break larger ore into pieces, and is manually sieved, need a large amount of manpower in this way, often deposited when broken
In broken insufficient phenomenon, working efficiency is low.It would therefore be desirable to which a kind of exploitation of mineral resources is integrally set with ore crushing and screening
It is standby.
Invention content
The purpose of the present invention is to provide a kind of exploitation of mineral resources ore crushing and screening equipment integratings, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions:
A kind of exploitation of mineral resources ore crushing and screening equipment integrating, including pedestal, crushing screen box, crushing wheel, crushing plate, grinding screen
Case and the second screen box, the pedestal, which is equipped with, crushes screen box, crushes and is bolted to connection between screen box and pedestal, grinding screen
Feed inlet is provided on the upside of case, the crushing screen box is internally provided with crushing wheel, the inner tip and interposition for crushing screen box
Guide rail has been installed, crushing plate is slidably fitted on guide rail, has crushed the teeth portion of plate inwardly, interposition installs on the outside of the crushing plate of both sides
There is a mandril, mandril and crushing is threadedly coupled between plate, and mandril horizontally outward and is pierced by crushing screen box, mandril and is crushed between screen box
It is slidably connected, the outer end screw thread of mandril is equipped with coordinating block, and the outside for crushing screen box is also fixedly connected with by fixed frame
First driving motor, the output shaft of the first driving motor upwards and on the output shaft of the first driving motor interference fit be equipped with it is convex
Wheel, the outer circle of cam are in contact with the coordinating block of the outer end of mandril, and connecting plate, the pedestal are equipped on the right side of the base upper surface
On also inlay the first sliding rail be installed, the surface of the first sliding rail is equipped with the second sliding rail, and the second sliding rail is fixedly mounted by screw
On connecting plate, the first sliding block and the second sliding block, the connection are slidably fitted on first sliding rail and the second sliding rail respectively
It is also welded with holder on plate, the second driving motor is installed on holder, is interference fitted on the output shaft of the second driving motor
Runner is installed, the outer circle of runner is equipped with shifting block, block is equipped on first sliding block and the second sliding block, dialling on runner
Block is adapted with the block on the first sliding block and the second sliding block, and also level is welded with several groups slide bar inside the crushing screen box,
The first screen box and the second screen box are slidably fitted on slide bar respectively, the first screen box is located at the top of the second screen box, first sieve
First connecting rod and second connecting rod, the other end difference of first connecting rod and second connecting rod are respectively welded on the left of case and the second screen box
It is welded on the left side of the second sliding block and the first sliding block, the bottom of the crush box is equipped with splicing groove, and the left and right sides of crush box is also
Discharge door is hingedly installed.
As a further solution of the present invention:The crushing wheel is provided with crushing screen box-group and crushing wheel is by external drive
Device drives.
As further scheme of the invention:It is connected with bullet between the outside for crushing plate and the inner wall for crushing screen box
Spring.
As further scheme of the invention:It is fixedly connected by screw between the connecting plate and pedestal.
As further scheme of the invention:By being welded to connect between the crane and sliding block.
As further scheme of the invention:It is equipped with sieve, and first inside first screen box and the second screen box
Mesh size inside screen box and the second screen box is identical.
As further scheme of the invention:On the right side of first screen box and the second screen box and crushing screen box between inner wall
It is connected separately with resetting spring.
As further scheme of the invention:Guide inclined plate, guide inclined plate position are additionally provided with inside the crushing screen box
Between the first screen box and the second screen box.
Compared with prior art, the beneficial effects of the invention are as follows:The first driving motor can also be passed through in crushing process
Band moving cam starts to rotate, and cam crushes plate in the extruding of rotation process intermittent, to change crush plate and crushing wheel it
Between spacing, play pressurization crush effect, greatly improve the effect of crushing;By realizing the first screen box and the second screen box or so
It is mobile, to make speed that ore particles screen faster, while the first screen box and the second screen box are set so that it is guaranteed that after screening
Ore particles comply fully with granular size requirement, realize that automatic ore particle is automatically separated.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of exploitation of mineral resources ore crushing and screening equipment integrating.
Fig. 2 is a kind of schematic diagram of partial enlargement in exploitation of mineral resources ore crushing and screening equipment integrating.
Fig. 3 is the schematic diagram inside the first screen box in a kind of exploitation of mineral resources ore crushing and screening equipment integrating.
In figure:1- pedestals, 2- crush screen box, 3- feed inlets, 4- crushing wheels, 5- guide rails, 6- and crush plate, 7- mandrils, 8- the
One driving motor, 9- cams, 10- stock guides, 11- connecting plates, the first sliding rails of 12-, the second sliding rails of 13-, the first sliding blocks of 14-, 15-
Second sliding block, 16- holders, the second driving motors of 17-, 18- runners, 19- shifting blocks, 20- first connecting rods, 21- second connecting rods, 22-
Slide bar, the first screen boxs of 23-, the second screen boxs of 24-, 25- splicing grooves, 26- discharge doors.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Please refer to Fig.1-3, a kind of exploitation of mineral resources ore crushing and screening equipment integrating, including pedestal 1, crush screen box 2, powder
Broken wheel 4 crushes plate 6, crushes screen box 23 and the second screen box 24, and the pedestal 1, which is equipped with, crushes screen box 2, crushes screen box 2 and pedestal
It is bolted to connection between 1, the upside for crushing screen box 2 is provided with feed inlet 3, and the crushing screen box 2 is internally provided with crushing wheel
4, crushing wheel 4 is provided with crushing screen box 2-3 groups and crushing wheel 4 is driven by external driver device, the inside top for crushing screen box 2
End and centre position are equipped with guide rail 5, are slidably fitted on guide rail 5 and crush plate 6, and the teeth portion for crushing plate 6 inwardly, crushes the outer of plate 6
Be connected with spring between side and the inner wall for crushing screen box 2, the 6 outside centre positions of crushing plate of both sides is equipped with mandril 7, mandril 7 with
Crush plate 6 between be threadedly coupled, mandril 7 horizontally outward and be pierced by crush screen box 2, mandril 7 and crush screen box 2 between slide connect
It connects, the outer end screw thread of mandril 7 is equipped with coordinating block, and the outside for crushing screen box 2 is also fixedly connected with first by fixed frame
Driving motor 8, the output shaft of the first driving motor 8 upwards and on the output shaft of the first driving motor 8 interference fit be equipped with it is convex
Wheel 9, the outer circle of cam 9 is in contact with the coordinating block of the outer end of mandril 7, in crushing process, is carried out to ore by crushing wheel 4
It crushes, can also start to rotate with moving cam 9 by the first driving motor 8 in crushing process, cam 9 is among rotation process
The extruding of having a rest property crushes plate 6, to change the spacing crushed between plate 6 and crushing wheel 4, plays the effect that pressurization crushes, significantly
Improve the effect crushed.
It is equipped with connecting plate 11 on the right side of 1 upper surface of the pedestal, is fixedly connected by screw between connecting plate 11 and pedestal 1,
It is also inlayed on the pedestal 1 and first sliding rail 12 is installed, the surface of the first sliding rail 12 is equipped with the second sliding rail 13, the second sliding rail 13
It is fixedly mounted on connecting plate 11 by screw, the first cunning is slidably fitted with respectively on first sliding rail, 12 and second sliding rail 13
Block 14 and the second sliding block 15 are also welded with holder 16 on the connecting plate 11, the second driving motor are installed on holder 16
17, interference fit is equipped with runner 18 on the output shaft of the second driving motor 17, and the outer circle of runner 18 is equipped with shifting block 19, described
It is equipped with block on first sliding block 14 and the second sliding block 15, on the shifting block 19 and the first sliding block 14 and the second sliding block 15 on runner 18
Block be adapted, the inside of the crushing screen box 2 also level is welded with several groups slide bar 22, is slidably fitted with respectively on slide bar 22
First screen box 23 and the second screen box 24, the first screen box 23 are located at the top of the second screen box 24, the first screen box 23 and the second screen box 24
Inside is equipped with sieve, and the first screen box 23 is identical with the mesh size inside the second screen box 24, first screen box 23 and
The left side of two screen boxs 24 is respectively welded first connecting rod 20 and second connecting rod 21, the other end of first connecting rod 20 and second connecting rod 21
It is respectively welded at the left side of the second sliding block 15 and the first sliding block 14, first screen box, 23 and second screen box 24 and crushing screen box 2
It is connected separately with resetting spring between the inner wall of right side, is additionally provided with guide inclined plate inside the crushing screen box 2, guide inclined plate is located at
Between first screen box 23 and the second screen box 24, the ore particles for being sifted out to the first screen box 23 carry out being directed into the second screen box
In 24, the bottom of the crush box 2 is equipped with splicing groove 25, and the left and right sides of crush box 2 is also hingedly equipped with discharge door 26.
The present invention operation principle be:In crushing process, ore is crushed by crushing wheel 4, in crushing process
In can also start to rotate with moving cam 9 by the first driving motor 8, cam 9 rotation process intermittent extruding crush
Plate 6 plays the effect that pressurization crushes, greatly improves the effect of crushing to change the spacing crushed between plate 6 and crushing wheel 4;
Ore particles after crushing enter in the first screen box 23, are then electrified to that the second driving motor 17 is made to start to work, the second driving
Motor 17 drives runner 18 to start to rotate, and when the shifting block 19 on runner 18 is in contact with the block on the second sliding block 15, stirs
Second sliding block 15 slides to the right, to drive the first screen box 23 to slide to the left indirectly, when the shifting block 19 and first on runner 18 is slided
When block on block 14 contacts, the first sliding block 14 is driven to slide to the left, to make the second screen box 24 slide to the left, moreover it is possible to by multiple
The effect of position is to realize that the first screen box 23 and the second screen box 24 move left and right, to make speed that ore particles screen faster,
The first screen box 23 and the second screen box 24 are set simultaneously so that it is guaranteed that the ore particles after screening comply fully with granular size requirement, in fact
Existing automatic ore particle is automatically separated.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (8)
1. a kind of exploitation of mineral resources ore crushing and screening equipment integrating, including pedestal(1), crush screen box(2), crushing wheel(4), powder
Slashings(6), crush screen box(23)With the second screen box(24), the pedestal(1)It is equipped with and crushes screen box(2), crush screen box(2)With
Pedestal(1)Between be bolted to connection, crush screen box(2)Upside be provided with feed inlet(3), the crushing screen box(2)It is interior
Portion is equipped with crushing wheel(4), the crushing screen box(2)Inner tip and centre position be equipped with guide rail(5), guide rail(5)Upper sliding
Crushing plate is installed(6), crush plate(6)Teeth portion inwardly, the crushing plate of both sides(6)Outside centre position is equipped with mandril(7), top
Bar(7)With crushing plate(6)Between be threadedly coupled, mandril(7)Horizontally outward and it is pierced by crushing screen box(2), mandril(7)With grinding screen
Case(2)Between be slidably connected, mandril(7)Outer end screw thread coordinating block, the crushing screen box are installed(2)Outside also by solid
Determine frame and is fixedly connected with the first driving motor(8), the first driving motor(8)Output shaft upwards and the first driving motor(8)'s
Interference fit is equipped with cam on output shaft(9), cam(9)Outer circle and mandril(7)The coordinating block of outer end be in contact, it is described
Pedestal(1)Connecting plate is equipped on the right side of upper surface(11), the pedestal(1)On also inlay the first sliding rail be installed(12), first slides
Rail(12)Surface be equipped with the second sliding rail(13), the second sliding rail(13)It is fixedly mounted on connecting plate by screw(11)On, institute
State the first sliding rail(12)With the second sliding rail(13)It is upper to be slidably fitted with the first sliding block respectively(14)With the second sliding block(15), the company
Fishplate bar(11)On be also welded with holder(16), holder(16)On be installed with the second driving motor(17), the second driving motor
(17)Output shaft on interference fit runner is installed(18), runner(18)Outer circle be equipped with shifting block(19), described first slides
Block(14)With the second sliding block(15)On be equipped with block, runner(18)On shifting block(19)With the first sliding block(14)With the second sliding block
(15)On block be adapted, the crushing screen box(2)Inside also level is welded with several groups slide bar(22), slide bar(22)Upper point
It is not slidably fitted with the first screen box(23)With the second screen box(24), the first screen box(23)Positioned at the second screen box(24)Top, institute
State the first screen box(23)With the second screen box(24)Left side be respectively welded first connecting rod(20)And second connecting rod(21), first connects
Bar(20)And second connecting rod(21)The other end be respectively welded at the second sliding block(15)With the first sliding block(14)Left side, the powder
Broken case(2)Bottom be equipped with splicing groove(25), crush box(2)The left and right sides discharge door is also hingedly installed(26).
2. a kind of exploitation of mineral resources according to claim 1 ore crushing and screening equipment integrating, it is characterised in that:The powder
Broken wheel(4)It is provided with and crushes screen box 2-3 groups and crushing wheel(4)It is driven by external driver device.
3. a kind of exploitation of mineral resources according to claim 1 ore crushing and screening equipment integrating, it is characterised in that:The powder
Slashings(6)Outside with crush screen box(2)Inner wall between be connected with spring.
4. a kind of exploitation of mineral resources according to claim 1 ore crushing and screening equipment integrating, it is characterised in that:The company
Fishplate bar(11)With pedestal(1)Between be fixedly connected by screw.
5. a kind of exploitation of mineral resources according to claim 1 ore crushing and screening equipment integrating, it is characterised in that:The liter
Frame drops(10)With sliding block(9)Between by being welded to connect.
6. a kind of exploitation of mineral resources according to claim 1 ore crushing and screening equipment integrating, it is characterised in that:Described
One screen box(23)With the second screen box(24)Inside is equipped with sieve, and the first screen box(23)With the second screen box(24)Internal sieve
Aperture is identical.
7. a kind of exploitation of mineral resources according to claim 1 ore crushing and screening equipment integrating, it is characterised in that:Described
One screen box(23)With the second screen box(24)With crushing screen box(2)It is connected separately with resetting spring between the inner wall of right side.
8. a kind of exploitation of mineral resources according to claim 1 ore crushing and screening equipment integrating, it is characterised in that:The powder
Broken screen box(2)Inside is additionally provided with guide inclined plate, and guide inclined plate is located at the first screen box(23)With the second screen box(24)Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480310.6A CN108686750A (en) | 2018-05-18 | 2018-05-18 | A kind of exploitation of mineral resources ore crushing and screening equipment integrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480310.6A CN108686750A (en) | 2018-05-18 | 2018-05-18 | A kind of exploitation of mineral resources ore crushing and screening equipment integrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108686750A true CN108686750A (en) | 2018-10-23 |
Family
ID=63846641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810480310.6A Pending CN108686750A (en) | 2018-05-18 | 2018-05-18 | A kind of exploitation of mineral resources ore crushing and screening equipment integrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108686750A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650828A (en) * | 2020-05-27 | 2020-09-11 | 维沃移动通信有限公司 | Electronic device |
| CN111905893A (en) * | 2020-07-20 | 2020-11-10 | 冯海燕 | Ceramic raw material screening device |
| CN112125723A (en) * | 2020-08-28 | 2020-12-25 | 安徽省司尔特肥业股份有限公司 | Preparation method of high-fertilizer-efficiency compound organic fertilizer |
| CN113019514A (en) * | 2021-03-22 | 2021-06-25 | 张佳 | Solid waste treatment device and treatment method |
| CN113318965A (en) * | 2021-05-17 | 2021-08-31 | 王欣丽 | Soil sample screening plant for soil microorganism detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112125723A (en) * | 2020-08-28 | 2020-12-25 | 安徽省司尔特肥业股份有限公司 | Preparation method of high-fertilizer-efficiency compound organic fertilizer |
| CN113019514A (en) * | 2021-03-22 | 2021-06-25 | 张佳 | Solid waste treatment device and treatment method |
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