CN106914419A - The lifting self-cleaning device and rotary screen of a kind of rotary screen - Google Patents
The lifting self-cleaning device and rotary screen of a kind of rotary screen Download PDFInfo
- Publication number
- CN106914419A CN106914419A CN201710266637.9A CN201710266637A CN106914419A CN 106914419 A CN106914419 A CN 106914419A CN 201710266637 A CN201710266637 A CN 201710266637A CN 106914419 A CN106914419 A CN 106914419A
- Authority
- CN
- China
- Prior art keywords
- rotary screen
- motor
- shaft
- roll shaft
- roll
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- 230000003028 elevating effect Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
Classifications
-
- 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
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
- B07B1/524—Cleaning with brushes or scrapers with brushes the brushes being rotating
-
- 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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- 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
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses the lifting self-cleaning device and rotary screen of a kind of rotary screen, belong to sieve material engineering device technique field, the technical problems to be solved by the invention are：Solving cleaning plant of the prior art can not effectively clear up blocked mesh, and cleaning easily causes the service life of equipment corrosion reduction equipment not in time, meanwhile, the problem of environmental pollution and noise pollution is also easy to produce during cleaning mesh.The technical scheme for using for：Including fixed mount, motor I and roll shaft；Motor I is movably arranged on fixed mount, roll shaft is connected with motor I, and the top two ends of fixed mount are mounted on cylinder, and cylinder elevating lever is installed with cylinder, the bottom of cylinder elevating lever is installed with bearing supporting frame I, and roll shaft is movably arranged on bearing supporting frame I；Brush roll is fixedly mounted on roll shaft；The rotation of motor I can drive the brush roll on roll shaft to rotate.
Description
Technical field
The present invention relates to one kind sieve material engineering device technique field, the lifting self-cleaning device of specifically a kind of rotary screen and
Rotary screen.
Background technology
Rotary screen is main by structure compositions such as motor, reductor, roller, frame, feed inlet and outlets, is mainly used in material
Screening, the sandstone that rotary screen is applied to sandstone separate, the coal cinder of coal industry separated with coal dust and chemical industry in
Classification and separation flour for size block, the application scenario of rotary screen are quite varied.
After traditional rotary screen work a period of time, if clearing up not in time, the mesh of rotary screen is easily blocked, and causes rotary screen
Interior buildup is more, it is impossible to smoothly screening, causes yield to decline；Meanwhile, substantial amounts of buildup easily increases rotary screen internal loading, rolling occurs
The phenomenon of shaft screen main shaft fracture, and energy consumption is increased, influence driving efficiency.Traditional problem blocked for mesh is to use
The artificial mode for beaing rotary screen outer wall, prevents the mesh of rotary screen from blocking；If manually beaing not in time, mesh can be equally caused
Block, and using manually also increasing cost of labor；Therefore, for above-mentioned phenomenon, such as patent ZL201020277318.1, title
It is " rotary screen equipped with cleaning plant ", the device is by roller, clearing axis, rubber strip, feed hopper, drum shaft, big sprocket wheel, chainlet
Wheel, motor, roller mesh and centre frame composition；Roller is arranged on drum shaft by centre frame, drum shaft by big sprocket wheel and
The chain wheel pair of minor sprocket composition obtains the power of motor, and roller is provided with roller mesh, and top is installed clearing axis, pressed on clearing axis
Distance is provided with rubber strip；Clearing axis are rotated and drive rubber strip to rotate to whip cylinder outer wall, although can realize preventing mesh
The phenomenon of blocking, but there is a problem in that：1st, clearing axis are rotated can drive rubber strip to rotate so as to get rid of shaft screen of rolling about, and fall
Flour dust overflow easily causes environmental pollution during beating, and rubber strip gets rid of shaft screen bucket wall of rolling about and is also easy to produce noise pollution；2nd, rubber
Bar cannot be adjusted with the spacing of rotary screen bucket wall, and cleaning is not thorough when rubber strip is shorter, wrapping phenomena is also easy to produce when more long, when long
Between operate, the cleaning plant can not effectively clear up blocked mesh；3rd, shaft screen rapid wear of rolling about is got rid of using rubber strip for a long time
Bad screen cloth；When the 4th, sieving chemical products, mesh is blocked and easily causes equipment corrosion, reduces the service life of equipment.
The content of the invention
It is not enough that technical assignment of the invention is directed to the above, there is provided the lifting self-cleaning device and roller of a kind of rotary screen
Sieve, can solve the problem that cleaning plant of the prior art can not effectively clear up blocked mesh, and cleaning is easily caused not in time
The service life of equipment corrosion reduction equipment, meanwhile, the problem of environmental pollution and noise pollution is also easy to produce during cleaning mesh.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of lifting self-cleaning device of rotary screen, including fixed mount, motor I and roll shaft；Motor I is movably arranged on
On fixed mount, roll shaft is connected with motor I, and motor I rotarily drives roll shaft and rotates together；The top of fixed mount
Two ends are mounted at least one cylinder, and cylinder elevating lever, the bottom fixed installation of cylinder elevating lever are installed with cylinder
There is bearing supporting frame I, roll shaft runs through and is socketed in the bearing hole on bearing supporting frame I, and roll shaft is movably arranged on bearings
On frame I；The brush roll that can be rotated with roll shaft is socketed with roll shaft, brush roll is fixedly mounted on roll shaft；Motor I
Installed in one end of roll shaft, the rotation of motor I can drive the brush roll on roll shaft to rotate.
Shaft coupling is provided between described motor I and roll shaft, by connection between the main shaft and roll shaft of motor I
Axle device is fixedly connected.
Two cylinders are installed, cylinder is vertically arranged and cylinder elevating lever is located under fixed mount on described fixed mount
Portion.
Described bearing supporting frame I is the bearing supporting frame I of convex structure, the reversed arrangement of bearing supporting frame I and bearing
The bottom of support frame I is fixedly connected with the bottom of cylinder elevating lever.
Described brush roll is abrasive filaments brush roll.
Rotary screen, including rotary screen and lifting self-cleaning device, lifting self-cleaning device is any roller in above-mentioned
The lifting self-cleaning device of sieve；Rotary screen includes roller, drum shaft, support frame, charging aperture, bearing supporting frame II, motor
IIth, big sprocket wheel and minor sprocket；Roller is arranged on drum shaft by support frame；Charging aperture is provided with support frame；Drum shaft
The equal movable sleeve in two ends is connected to bearing supporting frame II, and bearing supporting frame II is fixedly mounted on base；On the main shaft of motor II
Fixed cover is connected to the minor sprocket that can be rotated with main shaft, and one end fixed cover of drum shaft is connected to big sprocket wheel, minor sprocket and big sprocket wheel
Between be driven by chain interoperation, motor II is fixedly mounted on base, and the rotation of motor II can drive and be arranged on
Roller on drum shaft is rotated.
Described brush roll is located at the top of roller and brush roll is contacted with the outer surface cooperation of roller.
The rotary motion of differential in the same direction is done between described brush roll and roller.
Baffle plate is provided with described base outer wall surrounding.
Described baffle plate is sunlight board.
The lifting self-cleaning device and rotary screen of a kind of rotary screen of the invention compared to the prior art, with following beneficial
Effect：
1st, the top two ends of fixed mount are mounted on a cylinder, and cylinder elevating lever, cylinder elevating lever are installed with cylinder
Bottom be installed with bearing supporting frame I, bearing supporting frame I is actively socketed on roll shaft；Brush roll is socketed with roll shaft, is driven
Dynamic motor I is arranged on one end of roll shaft, and the rotation of motor I can drive brush roll to rotate, air cylinder driven cylinder elevating lever
The regulation of distance between brush roll and roller is realized in elevating movement, and mesh can be by shortening brush roll and roller when blocking more serious
Frictional force between the distance between outer wall, increase contact surface, is conducive to the dredging of mesh；
2nd, the rotary motion of differential in the same direction is done between brush roll and roller, the dredging of mesh is more beneficial for；
3rd, by the use of sunlight board as baffle plate at base outer wall surrounding, make dust pass through to contain into returning charge layer, improve employee's ring
Border, mitigates labor strength, while baffle plate can also play a part of noise reduction；
4th, the apparatus structure is reasonable in design, long service life, can be worked continuously without parking, improves production efficiency, therefore, tool
There is good promotion and use value.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Accompanying drawing 1 is the lifting self-cleaning device and the structural representation of rotary screen of a kind of rotary screen.
In figure：1st, fixed mount, 2, motor I, 3, roll shaft, 4, cylinder, 5, cylinder elevating lever, 6, bearing supporting frame I, 7,
Brush roll, 8, shaft coupling, 9, roller, 10, drum shaft, 11, support frame, 12, charging aperture, 13, bearing supporting frame II, 14, drive
Motor II, 15, big sprocket wheel, 16, minor sprocket, 17, base, 18, baffle plate.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
A kind of lifting self-cleaning device of rotary screen of the invention, its structure includes fixed mount 1, motor I 2 and roll shaft 3；Drive
Dynamic motor I 2 is movably arranged on fixed mount 1, and shaft coupling 8, the master of motor I 2 are provided between motor I 2 and roll shaft 3
It is fixedly connected by shaft coupling 8 between axle and roll shaft 3, motor I 2 rotarily drives roll shaft 3 and rotates together；Fixed mount
1 top two ends are mounted on one and are vertically arranged cylinder 4, and cylinder elevating lever 5, cylinder elevating lever 5 are installed with cylinder 4
Positioned at the bottom of fixed mount 1, the bottom of cylinder elevating lever 5 is installed with bearing supporting frame I 6, and bearing supporting frame I 6 is type
The bottom of the bearing supporting frame I 6 of type structure, the reversed arrangement of bearing supporting frame I 6 and bearing supporting frame I 6 and cylinder elevating lever 5
Bottom is fixedly connected, and roll shaft 3 runs through and is socketed in the bearing hole of bearing supporting frame I 6, and roll shaft 3 is movably arranged on bearings
On frame I 6；The abrasive filaments brush roll 7 that can be rotated with roll shaft 3 is socketed with roll shaft 3, brush roll 7 is fixedly mounted on roll shaft 3
On, the rotation of motor I 2 can drive the brush roll 6 on roll shaft 3 to rotate.
When using, the rotation of motor I 2 can drive the brush roll 7 on roll shaft 3 to rotate, and motor I 2 is arranged on roller
One end of axle 3, the rotation of motor I 2 can drive brush roll 7 to rotate, the elevating movement reality of the drive cylinder elevating lever 5 of cylinder 4
The regulation of existing distance between brush roll 7 and roller 9, when mesh blocks more serious can by shorten brush roll 7 and the outer wall of roller 9 it
Between distance, increase contact surface between frictional force, be conducive to the dredging of mesh.
Embodiment 2：
Rotary screen, including rotary screen and top lifting self-cleaning device, lifting self-cleaning device be embodiment 1 in lifting from
Cleaning plant, rotary screen includes roller 9, drum shaft 10, support frame 11, charging aperture 12, bearing supporting frame II 13, motor II
14th, big sprocket wheel 15 and minor sprocket 16；Roller 9 is arranged on drum shaft 10 by support frame 11, and brush roll 7 is located at the upper of roller 9
Side and brush roll 7 coordinate with the outer surface of roller 9 and contact, and the rotary motion of differential in the same direction is done between brush roll 7 and roller 9；Branch
Charging aperture 12 is provided with support 11；The equal movable sleeve in two ends of drum shaft 10 is connected to bearing supporting frame II 13, bearing supporting frame II
13 are fixedly mounted on base 17；Fixed cover is connected to the minor sprocket 16 that can be rotated with main shaft on the main shaft of motor II 14,
One end fixed cover of drum shaft 10 is connected to big sprocket wheel 15, is driven by chain interoperation between minor sprocket 16 and big sprocket wheel 17, drives
Motor II 14 is fixedly mounted on base 17, and the rotation of motor II 14 can drive 9 turns of the roller on drum shaft 10
It is dynamic, the baffle plate 18 made with sunlight board is provided with the outer wall surrounding of base 17.
When using, the rotary motion of differential in the same direction is done between brush roll 7 and roller 9, be more beneficial for the dredging of mesh, base
By the use of sunlight board as baffle plate 18 at 17 outer wall surroundings, make dust pass through to contain into returning charge layer, improve employee's environment, mitigate
Labor strength, while noise reduction can be played a part of.
By specific embodiment above, the those skilled in the art can readily realize the present invention.But should
Work as understanding, the present invention is not limited to the specific embodiment in above-described embodiment 1 and embodiment 2.In disclosed embodiment
On the basis of, the those skilled in the art can be combined different technical characteristics, so as to realize different technical schemes.
In addition to the technical characteristic described in specification, the known technology of those skilled in the art is.
Claims (10)
1. a kind of lifting self-cleaning device of rotary screen, including fixed mount, motor I and roll shaft；The activity of motor I is set
On fixed mount, roll shaft is connected with motor I, and motor I rotarily drives roll shaft and rotates together；It is characterized in that
The top two ends of fixed mount are mounted at least one cylinder, and cylinder elevating lever is installed with cylinder, cylinder elevating lever
Bottom is installed with bearing supporting frame I, and roll shaft runs through and is socketed in the bearing hole on bearing supporting frame I, roll shaft activity peace
On bearing supporting frame I；The brush roll that can be rotated with roll shaft is socketed with roll shaft, brush roll is fixedly mounted on roll shaft
On；Motor I is arranged on one end of roll shaft, and the rotation of motor I can drive the brush roll on roll shaft to rotate.
2. the lifting self-cleaning device of a kind of rotary screen according to claim 1, it is characterised in that motor I and roll shaft
Between be provided with shaft coupling, be fixedly connected by shaft coupling between the main shaft and roll shaft of motor I.
3. the lifting self-cleaning device of a kind of rotary screen according to claim 1, it is characterised in that be provided with fixed mount
Two cylinders, cylinder is vertically arranged and cylinder elevating lever is located at the bottom of fixed mount.
4. the lifting self-cleaning device of a kind of rotary screen according to claim 1, it is characterised in that bearing supporting frame I is convex
The bottom of the bearing supporting frame I of font structure, the reversed arrangement of bearing supporting frame I and bearing supporting frame I and the bottom of cylinder elevating lever
Portion is fixedly connected.
5. the lifting self-cleaning device of a kind of rotary screen according to claim 1, it is characterised in that brush roll is abrasive filaments
Brush roll.
6. rotary screen, it is characterised in that including rotary screen and lifting self-cleaning device, lifting self-cleaning device is claim 1-5
In any rotary screen lifting self-cleaning device；Rotary screen includes roller, drum shaft, support frame, charging aperture, bearings
Frame II, motor II, big sprocket wheel and minor sprocket；Roller is arranged on drum shaft by support frame；Be provided with support frame into
Material mouth；The equal movable sleeve in two ends of drum shaft is connected to bearing supporting frame II, and bearing supporting frame II is fixedly mounted on base；Drive electricity
Fixed cover is connected to the minor sprocket that can be rotated with main shaft on the main shaft of machine II, and one end fixed cover of drum shaft is connected to big sprocket wheel, small
It is driven by chain interoperation between sprocket wheel and big sprocket wheel, motor II is fixedly mounted on base, the rotational energy of motor II
Enough rollers driven on drum shaft are rotated.
7. rotary screen according to claim 6, it is characterised in that brush roll is located at the top of roller and brush roll and roller
Outer surface coordinate contact.
8. rotary screen according to claim 7, it is characterised in that the rotation fortune of differential in the same direction is done between brush roll and roller
It is dynamic.
9. rotary screen according to claim 6, it is characterised in that be provided with baffle plate at base outer wall surrounding.
10. rotary screen according to claim 9, it is characterised in that baffle plate is sunlight board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266637.9A CN106914419A (en) | 2017-04-21 | 2017-04-21 | The lifting self-cleaning device and rotary screen of a kind of rotary screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266637.9A CN106914419A (en) | 2017-04-21 | 2017-04-21 | The lifting self-cleaning device and rotary screen of a kind of rotary screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106914419A true CN106914419A (en) | 2017-07-04 |
Family
ID=59567691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710266637.9A Pending CN106914419A (en) | 2017-04-21 | 2017-04-21 | The lifting self-cleaning device and rotary screen of a kind of rotary screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106914419A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855154A (en) * | 2017-12-10 | 2018-03-30 | 天长市天鑫粮油贸易有限责任公司 | A kind of polishing rice machine |
| CN108043701A (en) * | 2018-01-20 | 2018-05-18 | 陕西沃盈化肥有限公司 | A kind of cleaning roller on trommelling machine |
| CN109127400A (en) * | 2018-08-23 | 2019-01-04 | 胡杏玉 | A kind of construction Sand screen |
| CN109201448A (en) * | 2018-09-20 | 2019-01-15 | 安徽冠华农牧有限公司 | A kind of fertilizer cleaning screening plant |
| CN109590202A (en) * | 2018-11-08 | 2019-04-09 | 美盛农资（北京）有限公司 | A kind of preparation system for import crystal potash fertilizer quality improvement |
| CN109604139A (en) * | 2018-11-08 | 2019-04-12 | 美盛农资（北京）有限公司 | A kind of device for inlet particle potassium magnesium sulfate quality optimization |
| CN110000088A (en) * | 2019-04-23 | 2019-07-12 | 周泽中 | A kind of ore dressing vibrating screen mesh blockage-clearing device |
| CN110153002A (en) * | 2019-05-27 | 2019-08-23 | 上海烟草集团有限责任公司 | A kind of winnowing machine rolls the automatic cleaning apparatus of sieve |
| CN110537564A (en) * | 2019-08-27 | 2019-12-06 | 武汉轻工大学 | fish meat strainer |
| CN110918436A (en) * | 2019-12-05 | 2020-03-27 | 安徽众品机械科技有限公司 | Separating system of concrete cleaning roller separator |
| CN112570248A (en) * | 2020-11-24 | 2021-03-30 | 湖南省农友机械集团有限公司 | Sorting device |
| CN112718495A (en) * | 2021-01-18 | 2021-04-30 | 鄂尔多斯职业学院 | Chemical material screening machine |
| CN112772702A (en) * | 2021-03-03 | 2021-05-11 | 河南省农业科学院长垣分院 | Multistage snail tail removing machine |
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| CN2810772Y (en) * | 2005-07-29 | 2006-08-30 | 中信重型机械公司 | Apparatus for cleaning garbage drum screen holes |
| CN201785321U (en) * | 2010-07-30 | 2011-04-06 | 宁夏鲁西化工化肥有限公司 | Rotary drum screen provided with cleaning device |
| CN203091315U (en) * | 2012-12-24 | 2013-07-31 | 浙江业盛新型材料有限公司 | Flushing roller device of temper mill |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855154A (en) * | 2017-12-10 | 2018-03-30 | 天长市天鑫粮油贸易有限责任公司 | A kind of polishing rice machine |
| CN108043701A (en) * | 2018-01-20 | 2018-05-18 | 陕西沃盈化肥有限公司 | A kind of cleaning roller on trommelling machine |
| CN109127400A (en) * | 2018-08-23 | 2019-01-04 | 胡杏玉 | A kind of construction Sand screen |
| CN109201448B (en) * | 2018-09-20 | 2020-10-23 | 安徽冠华农牧有限公司 | Fertilizer washs screening plant |
| CN109201448A (en) * | 2018-09-20 | 2019-01-15 | 安徽冠华农牧有限公司 | A kind of fertilizer cleaning screening plant |
| CN109590202A (en) * | 2018-11-08 | 2019-04-09 | 美盛农资（北京）有限公司 | A kind of preparation system for import crystal potash fertilizer quality improvement |
| CN109604139A (en) * | 2018-11-08 | 2019-04-12 | 美盛农资（北京）有限公司 | A kind of device for inlet particle potassium magnesium sulfate quality optimization |
| CN110000088A (en) * | 2019-04-23 | 2019-07-12 | 周泽中 | A kind of ore dressing vibrating screen mesh blockage-clearing device |
| CN110000088B (en) * | 2019-04-23 | 2022-02-18 | 新疆克拉玛依市迪马有限责任公司 | Blockage cleaning device for screen of mineral separation vibrating screen |
| CN110153002A (en) * | 2019-05-27 | 2019-08-23 | 上海烟草集团有限责任公司 | A kind of winnowing machine rolls the automatic cleaning apparatus of sieve |
| CN110537564A (en) * | 2019-08-27 | 2019-12-06 | 武汉轻工大学 | fish meat strainer |
| CN110918436A (en) * | 2019-12-05 | 2020-03-27 | 安徽众品机械科技有限公司 | Separating system of concrete cleaning roller separator |
| CN112570248A (en) * | 2020-11-24 | 2021-03-30 | 湖南省农友机械集团有限公司 | Sorting device |
| CN112718495A (en) * | 2021-01-18 | 2021-04-30 | 鄂尔多斯职业学院 | Chemical material screening machine |
| CN112772702A (en) * | 2021-03-03 | 2021-05-11 | 河南省农业科学院长垣分院 | Multistage snail tail removing machine |
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Application publication date: 20170704 |
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| RJ01 | Rejection of invention patent application after publication |