CN107876383A - A kind of ultra-fine wollastonite in powder magnetic shake screening plant - Google Patents
A kind of ultra-fine wollastonite in powder magnetic shake screening plant Download PDFInfo
- Publication number
- CN107876383A CN107876383A CN201711147985.0A CN201711147985A CN107876383A CN 107876383 A CN107876383 A CN 107876383A CN 201711147985 A CN201711147985 A CN 201711147985A CN 107876383 A CN107876383 A CN 107876383A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- ultra
- screen cloth
- speed changer
- screening plant
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- 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
-
- 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
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of ultra-fine wollastonite in powder magnetic shake screening plant,Including body,The inner side of the body is provided with screen cloth,The bottom of screen cloth is provided with multiple vibrators,The outer ring of screen cloth is fixed with reinforcing ring flat-plate,The outer ring for reinforcing ring flat-plate is circumferentially with multiple extension boards,First permanent magnet is installed at the top of extension board,The crown center of body is provided with feed pipe,The upper end of feed pipe is provided with hopper,The middle inside of feed pipe is provided with feeding shaft,The inner side of feed pipe is in being additionally provided with helical blade on feeding shaft,The upper end of feeding shaft and the output axis connection of the second speed changer,The input shaft of second speed changer and the downside output axis connection of motor for double-ended drive,The upside output shaft of motor for double-ended drive and the input axis connection of the first speed changer,L-shaped pole is installed on the output shaft of the first speed changer,The lower end of L-shaped pole is provided with the second permanent magnet.Structure of the present invention is novel, and sieving effect is good, efficiency high so that wollastonite in powder is able to reliability application.
Description
Technical field
The present invention relates to vibrating screening device technical field, specifically a kind of ultra-fine wollastonite in powder magnetic travelling sieve chooses to install
Put.
Background technology
Wollastonite composition Ca3, anorthic system, generally in the form of sheets, radial or fibrous agrregate, white micro-strip grey,
Glassy lustre, pearly luster in cleavage surface.The main contact aureole for originating in Intermediate-acid Intrusive and limestone, to form skarns
Main mineral constituent, be also described in some kata metamorphism rocks.Wollastonite belongs to a kind of chain metasilicate, is that one kind is in fiber again
Shape, needle-like.Because its special crystal habit crystalline texture determines its property, wollastonite has good insulating properties, simultaneously
With very high whiteness, good dielectric properties and higher heat-resisting, weather resistance.Wollastonite is widely used in ceramics, changed
The fields such as work, metallurgy, papermaking, plastics, coating.
Wollastonite in powder has the physical and chemical performance of needle-like, fibrous crystal form and higher whiteness and uniqueness, at present
Need to screen the raw material of bulk in thin wollastonite in powder production, present screening machine structure is more traditional single, powder during screening
Dirt overflows seriously, the deficiencies of efficiency is low, screening effect is poor part be present.
The content of the invention
It is an object of the invention to provide a kind of ultra-fine wollastonite in powder magnetic shake screening plant, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides following technical scheme：
A kind of ultra-fine wollastonite in powder magnetic shake screening plant, including body, the inner side of the body are provided with screen cloth, the bottom of screen cloth
Portion is provided with multiple vibrators, and the outer ring of the screen cloth is fixed with horizontal reinforcing ring flat-plate, reinforce ring flat-plate outer ring be circumferentially with it is more
Individual extension board, extension board stretch out from the side wall of body, offer the through hole passed through for extension board in the side wall of body, in through hole
Support spring is equipped with the both sides up and down of extension board, the outside of the body is provided with the first permanent magnetism at the top of extension board
Iron, the crown center of the body are provided with feed pipe, and the upper end of feed pipe is provided with hopper, and the middle inside of the feed pipe is set
There is a feeding shaft, the inner side of feed pipe is in being additionally provided with helical blade, the upper end of the feeding shaft and the second speed changer on feeding shaft
Axis connection is exported, the input shaft of the second speed changer and the downside output axis connection of motor for double-ended drive, motor for double-ended drive are fixed on machine
On electric machine support at the top of body, the upside output shaft of the motor for double-ended drive and the input axis connection of the first speed changer, first becomes
Fast device and the second speed changer are fixedly connected with electric machine support, and L-shaped pole, the L are provided with the output shaft of the first speed changer
The vertical portion lower end of shape pole is provided with the second permanent magnet；The both sides up and down for reinforcing ring flat-plate, which further respectively have elasticity, to stretch
Contracting corrugated plating and lower resilientiy stretchable corrugated plating, under the upper end of upper resilientiy stretchable corrugated plating and lower resilientiy stretchable corrugated plating
End is fixedly connected with the madial wall of body；Auxiliary pole, the end of auxiliary pole are additionally provided with the vertical portion of the L-shaped pole
Downside is provided with universal spherical shell, coordinates in universal spherical shell and is provided with multi-directional ball, multi-directional ball is located at the top of body, and the top of body is also
Offer and be engaged annular groove with multi-directional ball.
As the further scheme of the present invention：The screen cloth is middle part arc concave configuration, and the vertical view of screen cloth is rounded, sieve
The mesh of net is rounded, and mesh diameter is 0.4~0.6mm.
As the further scheme of the present invention：The extension board is circumferentially uniformly provided with six.
As the further scheme of the present invention：The vertical portion of the L-shaped pole is located at the outside of body, and L-shaped pole
Vertical portion axis is located on the circumference that each first permanent magnet center surrounds.
As the further scheme of the present invention：Second permanent magnet and the first permanent magnet are the circular knot of size identical
Structure, and the second permanent magnet and the relative face of the first permanent magnet synonyms pole each other.
As the further scheme of the present invention：Clean-up port is additionally provided with the top of the body.
As the further scheme of the present invention：The inner bottom part of the body is that one end tilts down setting, and relatively low one
The side bottom of the corresponding body in end is provided with discharge gate.
As the further scheme of the present invention：Also include being used for the PLC controls for being controlled vibrator and motor for double-ended drive
Device processed, PLC are electrically connected with motor for double-ended drive and vibrator respectively.
Compared with prior art, the beneficial effects of the invention are as follows：The ultra-fine wollastonite in powder magnetic shake screening plant, passes through
Set motor for double-ended drive both to drive feeding shaft to rotate, L-shaped pole can be driven to rotate again, motor for double-ended drive drives feeding shaft
During rotation, blanking can at the uniform velocity be controlled by helical blade, when motor for double-ended drive drives the rotation of L-shaped pole, when second forever
When magnet is located in one of above the first permanent magnet, the second permanent magnet and the first permanent magnet magnetic, extension board are moved up, entered
And can be to screen slope, with the rotation of L-shaped pole, the second permanent magnet can form sieve continuously to each first permanent magnet magnetic
The outer acclivitous effect of ring gap of net, lifts sieving effect and efficiency, extension board can be flexibly supported by support spring, profit
In the inclination and recovery of screen cloth, and vibrator is coordinated to vibrate screen cloth so that device sieving efficiency greatly promotes, and passes through upper elasticity
The setting of scalable corrugated plating and lower resilientiy stretchable corrugated plating can also prevent dust from being flowed out from through hole, keep working environment whole
It is clean；In addition, the stabilization of L-shaped pole rotation can be lifted by the setting of auxiliary pole, universal spherical shell, multi-directional ball and annular groove
Property, reliability is higher.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the top view of height residing for extension board in the present invention.
Fig. 3 is the enlarged drawing of A in Fig. 1.
In figure：1- discharge gates, resilientiy stretchable corrugated plating under 2-, 3- vibrators, 4- screen clothes, 5- feed pipes, 6- reinforcing rings
Plate, 7- support springs, 8- through holes, 9- extension boards, the permanent magnets of 10- first, the permanent magnets of 11- second, 12-L shape poles, 13- cleanings
Mouthful, 14- electric machine supports, the speed changers of 15- first, 16- motor for double-ended drive, the speed changers of 17- second, 18- feeding shafts, 19- hoppers,
20- helical blades, 21- annular grooves, the upper resilientiy stretchable corrugated platings of 22-, 23- bodies, 24- auxiliary poles, 25- multi-directional balls
Shell, 26- multi-directional balls.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~3, in the embodiment of the present invention, a kind of ultra-fine wollastonite in powder magnetic shake screening plant, including body
23, the body 23 is cylindrical structural, and the inner side of body 23 is provided with screen cloth 4, and screen cloth 4 is middle part arc concave configuration, screen cloth 4
Vertical view it is rounded, the mesh of screen cloth 4 is rounded, and mesh diameter is 0.4~0.6mm, and the bottom of screen cloth 4 is provided with multiple vibrations
Device 3, screen cloth 4 can be vibrated by vibrator 3, the outer ring of the screen cloth 4 is fixed with horizontal reinforcing ring flat-plate 6, reinforcing ring
The outer ring of plate 6 is circumferentially with multiple extension boards 9, and the extension board 9 is circumferential to be uniformly provided with six, and extension board 9 is from the side of body 23
Wall is stretched out, and the through hole 8 passed through for extension board 9 is offered in the side wall of body 23, and through hole 8 is interior in the both sides up and down of extension board 9
Support spring 7 is equipped with, extension board 9 can be flexibly supported by support spring 7, the outside of the body 23 is in extension board 9
Top is provided with the first permanent magnet 10, and in order to prevent dust from being flowed out from through hole 8, the both sides up and down for reinforcing ring flat-plate 6 are also distinguished
Provided with upper resilientiy stretchable corrugated plating 22 and lower resilientiy stretchable corrugated plating 2, the upper end of upper resilientiy stretchable corrugated plating 22 is with
Madial wall of the lower end of resilientiy stretchable corrugated plating 2 with body 23 is fixedly connected, upper resilientiy stretchable corrugated plating 22 and lower bullet
Property scalable corrugated plating 2 be similar to existing elastic bellows, moving up and down for screen cloth 4 can be tackled, play dustproof effect, have
Body repeats no more.
The crown center of the body 23 is provided with feed pipe 5, and the upper end of feed pipe 5 is provided with hopper 19, the feed pipe 5
Middle inside be provided with feeding shaft 18, the inner side of feed pipe 5 passes through helical blade in being additionally provided with helical blade 20 on feeding shaft 18
20 are used to control blanking velocity, the upper end of the feeding shaft 18 and the output axis connection of the second speed changer 17, the second speed changer 17
Input shaft and motor for double-ended drive 16 downside output axis connection, motor for double-ended drive 16 is fixed on the electric machine support at the top of body 23
On 14, the input axis connection of the upside output shaft of the motor for double-ended drive 16 and the first speed changer 15, the first speed changer 15 and
Two speed changers 17 are fixedly connected with electric machine support 14, and L-shaped pole 12, the L are provided with the output shaft of the first speed changer 15
The vertical portion of shape pole 12 is located at the outside of body 23, and the vertical portion axis of L-shaped pole 12 is located at each first permanent magnet 10
On the circumference that center surrounds, the vertical portion lower end of the L-shaped pole 12 is provided with the second permanent magnet 11, second permanent magnet 11
Be size identical circular configuration with the first permanent magnet 10, and the second permanent magnet 11 and the first permanent magnet 10 it is relative face it is different each other
Name magnetic pole, when the second permanent magnet 11 is located in one of the first 10 top of permanent magnet, the second permanent magnet 11 and the first permanent magnet
10 magnetic, extension board 9 are moved up, and then screen cloth 4 can be tilted, and with the rotation of L-shaped pole 12, the second permanent magnet 11 is continuous
To each magnetic of first permanent magnet 10, the acclivitous effect of outer ring gap of screen cloth 4 can be formed, lifts sieving effect and efficiency,
In order to lift the stability of the rotation of L-shaped pole 12, auxiliary pole 24, auxiliary branch are additionally provided with the vertical portion of the L-shaped pole 12
Universal spherical shell 25 is installed on the downside of the end of bar 24, coordinates in universal spherical shell 25 and is provided with multi-directional ball 26, multi-directional ball 26 is located at body
23 top, the top of the body 23 are further opened with being engaged annular groove 21 with multi-directional ball 26, pass through auxiliary pole 24, ten thousand
To spherical shell 25, multi-directional ball 26 and annular groove 21 coordinate can be lifted L-shaped pole 12 rotation stability, annular groove 21 have pair
The position-limiting action of multi-directional ball 26, and then acted on the limited support to L-shaped pole 12.
The top of the body 23 is additionally provided with clean-up port 13, and impurity in screen cloth 4 is determined by the way that clean-up port 13 is convenient
Phase clears up, and the inner bottom part of the body 23 tilts down setting for one end, and relatively low one end corresponds to the side bottom of body 23
Provided with discharge gate 1, the material after sieving can be discharged by discharge gate 1, in addition to for entering to vibrator 3 and motor for double-ended drive 16
The PLC of row control（It is not shown）, PLC is electrically connected with motor for double-ended drive 16 and vibrator 3 respectively, with to double
Shaft extension motor 16 and vibrator 3 carry out programme-control；In addition, it is necessary to explanation, the up and down region of screen cloth 4 is limited, therefore
The circuit connection of vibrator 3 belongs to conventional technical means, does not repeat in detail.
The ultra-fine wollastonite in powder magnetic shake screening plant, by setting motor for double-ended drive 16 both to drive feeding shaft 18
Rotate, again L-shaped pole 12 can be driven to rotate, can by helical blade 20 when motor for double-ended drive 16 drives the rotation of feeding shaft 18
Blanking is at the uniform velocity controlled, when motor for double-ended drive 16 drives the rotation of L-shaped pole 12, when the second permanent magnet 11 is located in one of
During the first 10 top of permanent magnet, the second permanent magnet 11 and the magnetic of the first permanent magnet 10, extension board 9 move up, and then can be to sieve
Net 4 tilts, and with the rotation of L-shaped pole 12, the second permanent magnet 11 continuously to each magnetic of first permanent magnet 10, can form screen cloth
The 4 outer acclivitous effects of ring gap, sieving effect and efficiency are lifted, extension board 9 can be flexibly supported by support spring 7,
Beneficial to the inclination and recovery of screen cloth 4, and vibrator 3 is coordinated to vibrate screen cloth 4 so that device sieving efficiency greatly promotes, and passes through
The setting of upper resilientiy stretchable corrugated plating 22 and lower resilientiy stretchable corrugated plating 2 can also prevent dust from being flowed out from through hole 8（Because of charging
The setting of the internal helical blades 20 of pipe 5, the dust overflowed from feed pipe 5 can be neglected）, keep working environment clean and tidy；In addition, by auxiliary
The setting of pole 24, universal spherical shell 25, multi-directional ball 26 and annular groove 21 is helped to lift the stability of the rotation of L-shaped pole 12, can
It is higher by property.
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, not
On the premise of departing from present inventive concept, several modifications and improvements can also be made, these should also be considered as the protection model of the present invention
Enclose, these effects and practical applicability for implementing all without the influence present invention.
Claims (8)
1. a kind of ultra-fine wollastonite in powder magnetic shake screening plant, including body（23）, it is characterised in that the body（23）'s
Inner side is provided with screen cloth（4）, screen cloth（4）Bottom be provided with multiple vibrators（3）, the screen cloth（4）Outer ring be fixed with level
Reinforce ring flat-plate（6）, reinforce ring flat-plate（6）Outer ring be circumferentially with multiple extension boards（9）, extension board（9）From body（23）Side wall
Stretch out, body（23）Side wall on offer for extension board（9）The through hole passed through（8）, through hole（8）It is interior in extension board（9）'s
Upper and lower both sides are equipped with support spring（7）, the body（23）Outside in extension board（9）Top the first permanent magnet is installed
（10）, the body（23）Crown center feed pipe is installed（5）, feed pipe（5）Upper end be provided with hopper（19）, it is described enter
Expects pipe（5）Middle inside be provided with feeding shaft（18）, feed pipe（5）Inner side in feeding shaft（18）On be additionally provided with helical blade
（20）, the feeding shaft（18）Upper end and the second speed changer（17）Output axis connection, the second speed changer（17）Input shaft
With motor for double-ended drive（16）Downside output axis connection, motor for double-ended drive（16）It is fixed on body（23）The electric machine support at top
（14）On, the motor for double-ended drive（16）Upside output shaft and the first speed changer（15）Input axis connection, the first speed changer
（15）With the second speed changer（17）And electric machine support（14）It is fixedly connected, the first speed changer（15）Output shaft on L is installed
Shape pole（12）, the L-shaped pole（12）Vertical portion lower end the second permanent magnet is installed（11）；The reinforcing ring flat-plate（6）'s
Upper and lower both sides further respectively have resilientiy stretchable corrugated plating（22）With lower resilientiy stretchable corrugated plating（2）, upper resilientiy stretchable
Corrugated plating（22）Upper end and lower resilientiy stretchable corrugated plating（2）Lower end and body（23）Madial wall be fixedly connected；Institute
State L-shaped pole（12）Vertical portion on be additionally provided with auxiliary pole（24）, auxiliary pole（24）End on the downside of multi-directional ball is installed
Shell（25）, universal spherical shell（25）Interior cooperation is provided with multi-directional ball（26）, multi-directional ball（26）Positioned at body（23）Top, body（23）
Top be further opened with and multi-directional ball（26）It is engaged annular groove（21）.
2. ultra-fine wollastonite in powder magnetic shake screening plant according to claim 1, it is characterised in that the screen cloth（4）
For middle part arc concave configuration, screen cloth（4）Vertical view it is rounded, screen cloth（4）Mesh it is rounded, and mesh diameter be 0.4~
0.6mm。
3. ultra-fine wollastonite in powder magnetic shake screening plant according to claim 1, it is characterised in that the extension board
（9）Circumferentially it is uniformly provided with six.
4. ultra-fine wollastonite in powder magnetic shake screening plant according to claim 1, it is characterised in that the L-shaped pole
（12）Vertical portion be located at body（23）Outside, and L-shaped pole（12）Vertical portion axis be located at each first permanent magnet
（10）On the circumference that center surrounds.
5. the ultra-fine wollastonite in powder magnetic shake screening plant according to claim 1 or 4, it is characterised in that described second
Permanent magnet（11）With the first permanent magnet（10）For size identical circular configuration, and the second permanent magnet（11）With the first permanent magnet
（10）Relative face synonyms pole each other.
6. ultra-fine wollastonite in powder magnetic shake screening plant according to claim 1, it is characterised in that the body（23）
Top be additionally provided with clean-up port（13）.
7. ultra-fine wollastonite in powder magnetic shake screening plant according to claim 1, it is characterised in that the body（23）
Inner bottom part tilt down setting for one end, and relatively low one end corresponds to body（23）Side bottom be provided with discharge gate（1）.
8. ultra-fine wollastonite in powder magnetic shake screening plant according to claim 1, it is characterised in that also include being used for pair
Vibrator（3）And motor for double-ended drive（16）The PLC being controlled, PLC respectively with motor for double-ended drive（16）With
Vibrator（3）It is electrically connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147985.0A CN107876383A (en) | 2017-11-17 | 2017-11-17 | A kind of ultra-fine wollastonite in powder magnetic shake screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147985.0A CN107876383A (en) | 2017-11-17 | 2017-11-17 | A kind of ultra-fine wollastonite in powder magnetic shake screening plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107876383A true CN107876383A (en) | 2018-04-06 |
Family
ID=61777355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711147985.0A Pending CN107876383A (en) | 2017-11-17 | 2017-11-17 | A kind of ultra-fine wollastonite in powder magnetic shake screening plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107876383A (en) |
Cited By (5)
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| CN108970996A (en) * | 2018-09-19 | 2018-12-11 | 重庆名宽机械制造有限公司 | Rotary screening machine |
| CN109201474A (en) * | 2018-08-28 | 2019-01-15 | 张养志 | A kind of niblet screening installation |
| CN112354654A (en) * | 2020-11-17 | 2021-02-12 | 黎汉达 | Microbial cultivation soil mixing arrangement for bioengineering |
| CN112657938A (en) * | 2020-12-04 | 2021-04-16 | 温州开玩贸易有限公司 | Automatic surface rust removal treatment all-in-one machine for H-shaped steel |
| CN113399246A (en) * | 2021-06-18 | 2021-09-17 | 山西贝特瑞新能源科技有限公司 | Graphitization purification equipment for lithium battery negative electrode material and purification method thereof |
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| CN109201474A (en) * | 2018-08-28 | 2019-01-15 | 张养志 | A kind of niblet screening installation |
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| CN112354654A (en) * | 2020-11-17 | 2021-02-12 | 黎汉达 | Microbial cultivation soil mixing arrangement for bioengineering |
| CN112657938A (en) * | 2020-12-04 | 2021-04-16 | 温州开玩贸易有限公司 | Automatic surface rust removal treatment all-in-one machine for H-shaped steel |
| CN113399246A (en) * | 2021-06-18 | 2021-09-17 | 山西贝特瑞新能源科技有限公司 | Graphitization purification equipment for lithium battery negative electrode material and purification method thereof |
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Application publication date: 20180406 |