CN108855911A - A kind of energy-saving double-layer vibrating screen - Google Patents
A kind of energy-saving double-layer vibrating screen Download PDFInfo
- Publication number
- CN108855911A CN108855911A CN201810603783.0A CN201810603783A CN108855911A CN 108855911 A CN108855911 A CN 108855911A CN 201810603783 A CN201810603783 A CN 201810603783A CN 108855911 A CN108855911 A CN 108855911A
- Authority
- CN
- China
- Prior art keywords
- screen
- rotary table
- chassis
- sliding block
- sides
- 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
- 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
- B07B1/36—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro in more than one direction
-
- 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
-
- 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
- Combined Means For Separation Of Solids (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a kind of energy-saving double-layer vibrating screen, including chassis, upper screen, lower screen and driving mechanism, bottom charging tray is provided with above the chassis, bottom charging tray two sides are equipped with slide bar；The lower screen is provided with above the bottom charging tray, the upper screen is provided with above the lower screen, the two sides of the upper screen and the lower screen are provided with connection sliding block, the connection sliding block is slidably mounted on the slide bar, and the connection sliding block on the lower screen is provided with main spring in two sides up and down.Beneficial effect is：By the rotation of the oval plate, make the top rotary table and the lower rotary table that the upper screen and the lower screen be driven to shake up and down respectively, to complete material screening；A piece drive shaft can drive two layers of sieve vibration, to substantially reduce energy consumption, and noise is small when driving mechanism work, therefore use occasion is unrestricted.
Description
Technical field
The present invention relates to material screening fields, and in particular to a kind of energy-saving double-layer vibrating screen.
Background technique
Vibrating screen is mainly used for sieving granular material, so that material be made to classify by granularity size.It is existing
Some vibrating screens meet the up-down vibration of sieve by installing vibrating motor on chassis.
Applicants have discovered that at least there is following technical problem in the prior art：Vibrating motor not only consumes energy height, and noise
Greatly, so that the use occasion of vibrating screen is restricted, and with the increase of the vibration screen number of plies, the specification of vibrating motor
Also it needs to further increase, therefore consumed electric energy also greatly increases；In addition, vibrating screen can only realize one mostly in the prior art
Vibration on a direction can not achieve the vibration in multiple directions, cause screening efficiency very low.
Summary of the invention
The object of the invention is that a kind of energy-saving double-layer vibrating screen is provided to solve the above-mentioned problems, it is existing to solve
There are in technology the technical problems such as vibrating screen energy consumption is high, noise is big.Preferred technical side in many technical solutions provided by the invention
Case has：The technical effects such as noise is small in low, the whole light and use process that consumes energy, elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes：
A kind of energy-saving double-layer vibrating screen provided by the invention, including chassis, upper screen, lower screen and driving mechanism, institute
It states and is provided with bottom charging tray above chassis, bottom charging tray two sides are equipped with slide bar；It is provided with above the bottom charging tray described
Lower screen, the lower screen top are provided with the upper screen, the two sides of the upper screen and the lower screen
It is provided with connection sliding block, the connection sliding block is slidably mounted on the slide bar, and the connection on the lower screen is sliding
Block is provided with main spring in two sides up and down, and the main spring is socketed on the slide bar；
The side of the upper screen and the lower screen is provided with driving mechanism, can drive the upper screen and described
Lower screen vibrates up and down；
The driving mechanism includes drive shaft and oval plate, and the oval plate is fixedly mounted in the drive shaft, the ellipse
The two sides up and down of disk are respectively arranged with top rotary table and lower rotary table, and the top rotary table and the lower rotary table with the oval plate
Periphery is tangent, is provided with connecting rod on the inside of the top rotary table the and described lower rotary table, the top rotary table passes through the connection
Bar is connected with the upper screen, and the lower rotary table is connected by the connecting rod with the lower screen, the ellipse
Guide part is provided on the outside of disk, the center of the guide part is overlapped with the center of the oval plate, above and below the guide part
It is provided with sliding slot on the inside of the rod segment position of two sides, the sliding slot is provided with fixed pin close to the centre of the guide part, institute
State and sliding block be installed in sliding slot, the sliding block of upper end is fixedly connected with the center of circle of the top rotary table, the sliding block of lower end with
The center of circle of the lower rotary table is fixedly connected, and is provided with extension spring between the sliding block and the fixed pin.
Using a kind of above-mentioned energy-saving double-layer vibrating screen, the drive shaft drives the oval plate rotation, when the ellipse
When the long axis of disk is rotated to vertical state, the top rotary table and the lower rotary table are located at highs and lows, while institute
It states upper screen and the lower screen also respectively reaches highest order and lowest order, on the oval plate continues to rotate, is described
Under the action of the extension spring, periphery is fitted in always on the oval plate for turntable and the lower rotary table, thus in institute
When stating oval plate rotation, the sliding block is moved under the action of the extension spring, along the sliding slot to the center of circle of the oval plate
Dynamic, so that the top rotary table be made to drive the upper screen decline, the lower rotary table drives the lower screen to rise, and in institute
When stating the long axis of oval plate and rotating to horizontality, the upper screen and the lower screen respectively reach lowest order and highest
Position, the oval plate rotates continuously and healthily, to realize the shake up and down of the upper screen and the lower screen.
Preferably, being equipped with castor on the supporting leg of the chassis.
Preferably, being equipped with bearing on the periphery of the top rotary table and the lower rotary table.
Preferably, the driving mechanism shares two groups, it is separately positioned on the upper screen and the lower screen
Two sides.
Preferably, one end of the drive shaft is equipped with motor, the motor is mounted on the chassis by bracket,
The other end of the drive shaft is mounted on the chassis by support plate.
Preferably, the guide part is mounted in the drive shaft by bearing.
Preferably, the double-deck screen shale shaker further includes U-bracket, motor support base, servo motor, cam and compression bullet
Spring, the U-bracket include left support, right support and bottom plate, and chassis can be moved on the bottom plate of U-bracket by castor,
Motor support base is mounted on bottom plate on the side upper surface of right support, and servo motor, servo motor are equipped on motor support base
Output shaft connect with cam, the cambered surface of cam is bonded with one of side of chassis, and one end of compressed spring is connected to a left side
On bracket, other end is mounted on another side of chassis.
Beneficial effect is：1, the present invention makes the top rotary table and the lower rotary table point by the rotation of the oval plate
The upper screen and the lower screen is not driven to shake up and down, to complete material screening；
2, a drive shaft can drive two layers of sieve vibration, to substantially reduce energy consumption, and driving mechanism works
When noise it is small, therefore use occasion is unrestricted.
3, it is rotated by servo motor band moving cam, under the cooperation of compressed spring, can guarantee chassis on U-bracket
Ceaselessly reciprocating linear is mobile, and then Double-layer screen is driven to vibrate in the horizontal direction, to realize the level and upper and lower two of sieve
A direction vibrates simultaneously, improves the efficiency of screening.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is main view of the invention；
Fig. 2 is driving mechanism enlarged drawing of the invention；
Fig. 3 is driving mechanism side installation diagram of the invention.
The reference numerals are as follows：
1, upper screen；2, lower screen；3, driving mechanism；301, drive shaft；302, oval plate；303, guide part；304, sliding
Slot；305, sliding block；306, top rotary table；307, fixed pin；308, connecting rod；309, extension spring；310, lower rotary table；311, electric
Machine；4, connection sliding block；5, main spring；6, bottom charging tray；7, chassis;701, slide bar；8, U-bracket；9, compressed spring；10, electric
Machine support；11, servo motor；12, cam.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Shown in referring to figures 1-3, the present invention provides a kind of energy-saving double-layer vibrating screen, including chassis 7, upper screen 1,
Lower screen 2 and driving mechanism 3 are provided with bottom charging tray 6 above the chassis 7, and bottom charging tray 6 is for receiving lower screen 2
The material fallen after sub-sieve, 6 two sides of bottom charging tray are equipped with slide bar 701；The lower layer is provided with above the bottom charging tray 6
Sieve 2 is provided with the upper screen 1, the two sides of the upper screen 1 and the lower screen 2 above the lower screen 2
It is provided with connection sliding block 4, the connection sliding block 4 is slidably mounted on the slide bar 701, so set, convenient for upper sieve
Net 1 and lower screen 2 are oriented to, to make upper screen 1 and lower screen 2 move down always along slide bar 701, under described
About 4 two sides of the connection sliding block on layer sieve 2 are provided with main spring 5, and the main spring 5 is socketed in the slide bar
On 701, so set, convenient for being supported by the elastic force of main spring 5 to connection sliding block 4；
The side of the upper screen 1 and the lower screen 2 is provided with driving mechanism 3, can drive 1 He of upper screen
The lower screen 2 vibrates up and down；
The driving mechanism 3 includes drive shaft 301 and oval plate 302, and the oval plate 302 is fixedly mounted on the drive shaft
On 301, the two sides up and down of the oval plate 302 are respectively arranged with top rotary table 306 and lower rotary table 310, and 306 He of the top rotary table
The lower rotary table 310 is tangent with the periphery of the oval plate 302, the top rotary table 306 and described 310 inside of lower rotary table
It is provided with connecting rod 308, the top rotary table 306 is connected by the connecting rod 308 with the upper screen 1, under described
Turntable 310 is connected by the connecting rod 308 with the lower screen 2, and the outside of the oval plate 302 is provided with guide part
303, the center of the guide part 303 is overlapped with the center of the oval plate 302, the rod segment position of two sides up and down of the guide part
Inside is provided with sliding slot 304, and the sliding slot 304 is provided with fixed pin 307, institute close to the centre of the guide part 303
It states and sliding block 305 is installed in sliding slot 304, the sliding block 305 of upper end is fixedly connected with the center of circle of the top rotary table 306, lower end
The sliding block 305 be fixedly connected with the center of circle of the lower rotary table 310, and set between the sliding block 305 and the fixed pin 307
It is equipped with extension spring 309.
Preferably, castor is equipped on the supporting leg of the chassis 7, so set, convenient move vibrating screen.
Bearing is installed on the periphery of the top rotary table 306 and the lower rotary table 310, so set, convenient for making to turn
Disk 306 and lower rotary table 310 are in rolling contact with oval plate 302, to reduce frictional force.
The driving mechanism 3 shares two groups, is separately positioned on the two sides of the upper screen 1 and the lower screen 2, such as
This setting, convenient for making upper screen 1 and 2 two sides of lower screen driving force having the same.
One end of the drive shaft 301 is equipped with motor 311, and the motor 311 is mounted on the chassis 7 by bracket
On, the other end of the drive shaft 301 is mounted on the chassis 7 by support plate, so set, convenient for passing through motor 311
It drives drive shaft 301 to rotate, while drive shaft 301 is fixed, to make oval plate 302 always around 301 turns of drive shaft
It is dynamic.
The guide part 303 is mounted in the drive shaft 301 by bearing, so set, turning convenient for drive shaft 301
When dynamic, guide rod still maintains vertical state.
The double-deck screen shale shaker further includes U-bracket 8, motor support base 10, servo motor 11, cam 12 and compressed spring
9, the U-bracket 8 includes left support, right support and bottom plate, and chassis 7 can be moved up by castor in the bottom plate of U-bracket 8
Dynamic, motor support base 10 is mounted on bottom plate on the side upper surface of right support, and servo motor 11 is equipped on motor support base 10,
The output shaft of servo motor 11 is connect with cam 12, and the cambered surface of cam 12 is bonded with one of side of chassis 7, compressed spring
9 one end is connected on left support, and other end is mounted on another side of chassis 7, so set, can guarantee
Under the driving of compressed spring, one of side of chassis 7 can be bonded with the cambered surface of cam 12 always.
Using the above structure, the drive shaft 301 drives the oval plate 302 to rotate, when the long axis of the oval plate 302
When rotation to vertical state, the top rotary table 306 and the lower rotary table 310 are located at highs and lows, while described
Upper screen 1 and the lower screen 2 also respectively reach highest order and lowest order, described when the oval plate 302 continues to rotate
Under the action of extension spring 309, periphery is fitted in the oval plate always for top rotary table 306 and the lower rotary table 310
On 302, so that the sliding block 305 is under the action of extension spring 309, along the cunning in the oval plate 302 rotation
Slot 304 is mobile to the center of circle of the oval plate 302, thus make the top rotary table 306 that the upper screen 1 be driven to decline, it is described
Lower rotary table 310 drives the lower screen 2 to rise, and when the long axis of the oval plate 302 is rotated to horizontality, it is described on
Layer sieve 1 and the lower screen 2 respectively reach lowest order and highest order, and the oval plate 302 rotates continuously and healthily, thus real
The shake up and down of the existing upper screen 1 and the lower screen 2, in addition, rotated by servo motor 11 with moving cam 12,
Under the cooperation of compressed spring 9, capable of guaranteeing chassis 7, ceaselessly reciprocating linear is mobile on U-bracket 8, and then drives double deck screen
Net vibrates in the horizontal direction, to realize the horizontal and upper and lower both direction of sieve while vibrate, improves the efficiency of screening.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (2)
1. a kind of energy-saving double-layer vibrating screen, it is characterised in that：Including chassis（7）, upper screen（1）, lower screen（2）And drive
Motivation structure（3）, the chassis（7）Top is provided with bottom charging tray（6）, the bottom charging tray（6）Two sides are equipped with slide bar（701）；
The bottom charging tray（6）Top is provided with the lower screen（2）, the lower screen（2）Top is provided with the upper sieve
Net（1）, the upper screen（1）With the lower screen（2）Two sides be provided with connection sliding block（4）, the connection sliding block
（4）It is slidably mounted on the slide bar（701）On, the lower screen（2）On the connection sliding block（4）Upper and lower two sides are respectively provided with
There is main spring（5）, and the main spring（5）It is socketed in the slide bar（701）On；
The upper screen cloth（1）With the lower screen（2）Side be provided with driving mechanism（3）, the upper sieve can be driven
Net（1）With the lower screen（2）It vibrates up and down；
The driving mechanism（3）Including drive shaft（301）And oval plate（302）, the oval plate（302）It is fixedly mounted on described
Drive shaft（301）On, the oval plate（302）Two sides up and down be respectively arranged with top rotary table（306）And lower rotary table（310）, and
The top rotary table（306）With the lower rotary table（310）With the oval plate（302）Periphery it is tangent, the top rotary table
（306）And the lower rotary table（310）Inside is provided with connecting rod（308）, the top rotary table（306）Pass through the connecting rod
（308）With the upper screen（1）It is connected, the lower rotary table（310）Pass through the connecting rod（308）With the lower screen
（2）It is connected, the oval plate（302）Outside be provided with guide part（303）, the guide part（303）Center with it is described
Oval plate（302）Center be overlapped, be provided with sliding slot on the inside of the rod segment position of two sides up and down of the guide part（304）, described
Sliding slot（304）Close to the guide part（303）Centre be provided with fixed pin（307）, the sliding slot（304）Inside it is equipped with
Sliding block（305）, the sliding block of upper end（305）With the top rotary table（306）The center of circle be fixedly connected, the sliding block of lower end
（305）With the lower rotary table（310）The center of circle be fixedly connected, and the sliding block（305）With the fixed pin（307）Between be arranged
There is extension spring（309）；The chassis（7）Supporting leg on castor is installed；The top rotary table（306）With the lower rotary table
（310）Periphery on bearing is installed；The drive shaft（301）One end motor is installed（311）, the motor（311）
The chassis is mounted on by bracket（7）On, the drive shaft（301）The other end chassis is mounted on by support plate
（7）On；The double-deck screen shale shaker further includes U-bracket（8）, motor support base（10）, servo motor（11）, cam（12）And pressure
Contracting spring（9）, the U-bracket（8）Including left support, right support and bottom plate, chassis（7）It can be by castor in U-bracket
（8）Bottom plate on move, motor support base（10）Bottom plate is mounted on the side upper surface of right support, motor support base（10）On
Servo motor is installed（11）, servo motor（11）Output shaft and cam（12）Connection, cam（12）Cambered surface and chassis（7）
One of side fitting, compressed spring（9）One end be connected on left support, other end is mounted on chassis（7）It is another
On an outer side.
2. a kind of energy-saving double-layer vibrating screen according to claim 1, it is characterised in that：The guide part（303）Pass through axis
It holds and is mounted on the drive shaft（301）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603783.0A CN108855911B (en) | 2018-06-12 | 2018-06-12 | Energy-saving double-deck shale shaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603783.0A CN108855911B (en) | 2018-06-12 | 2018-06-12 | Energy-saving double-deck shale shaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108855911A true CN108855911A (en) | 2018-11-23 |
| CN108855911B CN108855911B (en) | 2021-02-02 |
Family
ID=64338656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810603783.0A Expired - Fee Related CN108855911B (en) | 2018-06-12 | 2018-06-12 | Energy-saving double-deck shale shaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108855911B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530235A (en) * | 2018-12-14 | 2019-03-29 | 暨水春 | A kind of multi-use architecture Sand screen |
| CN109895252A (en) * | 2019-04-03 | 2019-06-18 | 杭州虹妍服饰有限公司 | A kind of mortar processing equipment |
| CN111375547A (en) * | 2020-03-24 | 2020-07-07 | 李琴 | Seed sieving mechanism for farming |
| CN112246608A (en) * | 2020-09-28 | 2021-01-22 | 中至商贸(杭州)有限公司 | Reciprocating shaking type screening device for coal production and processing |
| CN116591623A (en) * | 2023-07-14 | 2023-08-15 | 西南石油大学 | Drilling slurry leakage prevention early warning system based on image recognition |
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| DE19631849C1 (en) * | 1996-08-07 | 1998-01-08 | Svedala Gfa Aufbereitungsmasch | Vibration drive for a screening machine |
| CN106984525A (en) * | 2017-05-07 | 2017-07-28 | 周庆川 | Throwing shake type filter sand device for building |
| CN206543715U (en) * | 2017-02-05 | 2017-10-10 | 高岩 | A kind of oscillating mode graininess Choice of Chinese medicine material device up and down |
| CN206731711U (en) * | 2017-01-10 | 2017-12-12 | 郑红梅 | Dust removal machine before a kind of Chinese medicine processing |
| CN107626571A (en) * | 2017-09-25 | 2018-01-26 | 深圳市晟腾企业管理有限公司 | A kind of swing type Sand screen for building |
| CN108106402A (en) * | 2017-12-18 | 2018-06-01 | 贵阳锐航智能科技有限公司 | A kind of chemical fertilizer dries screening plant |
| CN108126892A (en) * | 2017-12-25 | 2018-06-08 | 郑州丽福爱生物技术有限公司 | A kind of mixing type feed separating screen device with shock-absorbing function |
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| DE19631849C1 (en) * | 1996-08-07 | 1998-01-08 | Svedala Gfa Aufbereitungsmasch | Vibration drive for a screening machine |
| CN206731711U (en) * | 2017-01-10 | 2017-12-12 | 郑红梅 | Dust removal machine before a kind of Chinese medicine processing |
| CN206543715U (en) * | 2017-02-05 | 2017-10-10 | 高岩 | A kind of oscillating mode graininess Choice of Chinese medicine material device up and down |
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| CN108106402A (en) * | 2017-12-18 | 2018-06-01 | 贵阳锐航智能科技有限公司 | A kind of chemical fertilizer dries screening plant |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530235A (en) * | 2018-12-14 | 2019-03-29 | 暨水春 | A kind of multi-use architecture Sand screen |
| CN109895252A (en) * | 2019-04-03 | 2019-06-18 | 杭州虹妍服饰有限公司 | A kind of mortar processing equipment |
| CN111375547A (en) * | 2020-03-24 | 2020-07-07 | 李琴 | Seed sieving mechanism for farming |
| CN112246608A (en) * | 2020-09-28 | 2021-01-22 | 中至商贸(杭州)有限公司 | Reciprocating shaking type screening device for coal production and processing |
| CN116591623A (en) * | 2023-07-14 | 2023-08-15 | 西南石油大学 | Drilling slurry leakage prevention early warning system based on image recognition |
| CN116591623B (en) * | 2023-07-14 | 2023-09-15 | 西南石油大学 | Drilling slurry leakage prevention early warning system based on image recognition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108855911B (en) | 2021-02-02 |
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