CN110237891A - A kind of broken multistage screening plant of solid - Google Patents
A kind of broken multistage screening plant of solid Download PDFInfo
- Publication number
- CN110237891A CN110237891A CN201910520990.4A CN201910520990A CN110237891A CN 110237891 A CN110237891 A CN 110237891A CN 201910520990 A CN201910520990 A CN 201910520990A CN 110237891 A CN110237891 A CN 110237891A
- Authority
- CN
- China
- Prior art keywords
- screening
- component
- support frame
- frame
- discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- 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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
Chemical equipment technical field of the present invention discloses a kind of broken multistage screening plant of solid, including crushing mechanism, driving assembly, sliding assembly, support frame and screening component；The screening component is slideably positioned in support frame by the sliding assembly, the crushing mechanism is installed on the upper end of support frame, the discharge end of the crushing mechanism is corresponding with the screening feed end of component, and the lower end of the support frame is provided with the first discharge port corresponding with the screening discharge end of component；The output end of the driving component is connect with screening component, to drive the screening component to move reciprocatingly in the support frame.The beneficial effect is that: integrate broken screening, the chemical material of different volumes can not only be separated, can also accelerate blanking and discharge velocity, improve production efficiency, enterprise saves production cost.
Description
Technical field
The present invention relates to chemical equipment technical fields, and in particular to a kind of broken multistage screening plant of solid.
Background technique
It is crushed currently, industrial chemicals often needs to use crushing device, then carries out level-one screening, second level screening very
Sieved to three-level, common grinding device can not volume is larger, moderate and lesser chemical material carry out separation again,
In subsequent request higher more detailed-oriented processing, the processing of high quality cannot achieve, there are also some grinding devices to have
There is screening function, but breakneck acceleration is slow, leverages production efficiency.
Summary of the invention
The purpose of the invention is to overcome above the shortcomings of the prior art, provides one kind and have broken screening one
Body, and the broken multistage screening plant of solid that breakneck acceleration is fast.
The purpose of the present invention is realized by the following technical solution:
A kind of broken multistage screening plant of solid, including crushing mechanism, driving assembly, sliding assembly, support frame and screening
Component；The screening component is slideably positioned in support frame by the sliding assembly, and the crushing mechanism is installed on support frame
Upper end, the discharge end of the crushing mechanism is corresponding with the screening feed end of component, and the lower end of the support frame is provided with and sieves
Select corresponding first discharge port of the discharge end of component；The output end of the driving component is connect with screening component, to drive
Screening component is stated to move reciprocatingly in the support frame.
Further, the sliding assembly includes slide bar and spring；The two side walls of the support frame are provided with first and pass through
Perforation, two slide bars are slideably positioned in respectively in corresponding first through hole, one end of two slide bars respectively with sieve
The two sides of component are selected to connect, the other end of two slide bars extends outwardly, and the spring pocket is set to the periphery of slide bar, and institute
The one end for stating spring is abutted with screening component, and the other end of the spring is abutted with the inner wall of support frame.
Further, the screening component includes the screening frame of filter screen, drainage conduit, driving member and upper and lower opening；It is described
Screening frame is slideably positioned in support frame by sliding assembly, the discharge end and the upper end opening phase of screening frame of the crushing mechanism
Corresponding, first discharge port is corresponding with the lower ending opening of screening frame, and from top to bottom successively inclination is set at least two filter screens
It is placed in screening frame, the side wall of the screening frame, which is provided with, to be connect with the lowermost end of each filter screen respectively and be obliquely installed discharge
Mouthful, the side wall of the support frame is provided with the second discharge port that is corresponding with each discharge gate and being obliquely installed, and the discharge gate is logical
It crosses drainage conduit to be connected to corresponding second discharge port, the driving member is set to the outer wall of screening frame, the driving component
Output end is connect with driving member.
It further, further include stock guide, the periphery of second discharge port is provided with stock guide.
Further, the driving member includes connecting rod and guide wheel；One end of the connecting rod and the outer wall of screening frame connect
It connects, the guide wheel rotational installation is in the other end of connecting rod, the output end connection of the guide wheel and driving assembly.
Further, the inclined direction of two adjacent head nets is opposite.
Further, the driving component includes the first driving motor and rotating disc；First driving motor is fixed on
The outer wall of support frame, the rotating disc are set in support frame, and the output shaft of first driving motor passes through the outer of support frame
The connection of one end face of wall and rotating disc, the other end of the rotating disc are inclined surface, this inclined surface is connect with screening component.
Further, the crushing mechanism includes the charging frame, active breaker roll, driven breaker roll, first of upper and lower opening
Gear, second gear and the second driving motor；The active breaker roll and driven breaker roll are rotatablely installed side by side in charging frame,
The first gear is installed on one end of active breaker roll, and the second gear is installed on one end of driven breaker roll, and described
One gear and second gear engagement connection, the output shaft of second driving motor are connect with the other end of active breaker roll, institute
The lower ending opening for stating charging frame is corresponding with the screening feed end of component.
It further, further include stabiliser bar, the side wall of the support frame is provided with the second through hole, and the stabiliser bar sliding is set
It is placed in the second through hole, one end of the stabiliser bar is connect with the side wall of screening component, and the other end of the stabiliser bar is outside
Extend.
Further, the support frame includes bottom plate, support plate, cross bar and stabilizer blade；The bottom plate is provided with the first discharge port,
The two sides connection of one end difference bottom plate upper surface of two support plates, the other end of two support plates are connected separately with
Cross bar is equipped with crushing mechanism between two cross bars, and the screening component is slideably positioned in two branch by sliding assembly
Between fagging, the stabilizer blade is respectively arranged at four feet of bottom plate lower end surface.
Further, first discharge port includes the splicing portion being connected and discharging portion, the internal diameter edge in the splicing portion
Its first open end is gradually successively decreased to the second open end, and first open end in the splicing portion and the discharge end of screening component connect
It is logical, and the size of first open end is greater than the discharge end of screening component, second open end is connected to discharging portion.
Inventive principle of the invention is: screening frame being slideably positioned in support frame by slide bar, the one side of rotating disc
It is arranged to inclined surface, the inclined surface of guide wheel and rotating disc offsets, and under the drive of the first driving motor, rotating disc is constantly rotated,
To push screening frame to move back and forth, the blanking and discharge of material are accelerated during screening frame moves back and forth, is effectively mentioned
The high screening efficiency of the present apparatus, is enterprise's save the cost.
The present invention has the following advantages compared with the prior art:
1, the screening component in the present invention can move back and forth in support frame, to improve whereabouts and the discharge speed of broken material
Degree saves production cost to improve screening efficiency for enterprise.
2, the filter screen that the screening component in the present invention has the screening frame of upper and lower opening and at least two are obliquely installed, mistake
The aperture of strainer is sequentially reduced along upper end opening to the lower ending opening of screening frame, directly drops down onto filter screen through broken material,
It is discharged under the screening layer by layer of filter screen.Rationally, structure is simple for present apparatus design, collects broken screening and is located away from one, can will not
The feed separation of same volume meets the processing demand of high quality, promotes the progress of chemical industry.
3, the rotating disc of driving assembly is ingenious in design in the present invention, and setting inclined surface can push screening frame to move back and forth,
Using guide wheel and inclination face contact, friction can be effectively reduced, improves the physical life of rotating disc, effectively save enterprise is produced into
This.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram that solid according to the present invention is crushed multistage screening plant；
Fig. 2 shows the enlarged drawings at A in Fig. 1；
Fig. 3 shows the structural schematic diagram of crushing mechanism in the present invention；
In figure, 1 is support frame；2 be filter screen；3 be drainage conduit；4 be screening frame；5 be slide bar；6 be spring；7 be first
Driving motor；8 be rotating disc；9 be connecting rod；10 be guide wheel；11 be charging frame；12 be active breaker roll；13 be driven broken
Roller；14 be first gear；15 be second gear；16 be the second driving motor；17 be stock guide；18 be stabiliser bar；19 be bottom plate；
20 be support plate；21 be cross bar；22 be stabilizer blade；23 be splicing portion；24 be discharging portion；25 be the second discharge port.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
A kind of solid as shown in Figure 1 is crushed multistage screening plant, including crushing mechanism, driving assembly, sliding assembly, branch
Support frame 1 and screening component；The screening component is slideably positioned in support frame 1 by the sliding assembly, the crushing mechanism
It is installed on the upper end of support frame 1, the discharge end of the crushing mechanism is corresponding with the screening feed end of component, the support frame 1
Lower end be provided with and corresponding first discharge port of the screening discharge end of component；The output end and screening component of the driving component
Connection, to drive the screening component to move reciprocatingly in the support frame.Screening component moves back and forth in support frame 1,
To improve whereabouts and the velocity of discharge of broken material, to improve screening speed, production efficiency is improved.
The sliding assembly includes slide bar 5 and spring 6；The two side walls of the support frame 1 are provided with the first through hole, and two
Slide bar 5 described in root is slideably positioned in respectively in corresponding first through hole, one end of two slide bars 5 respectively with screening component
Two sides connection, the other end of two slide bars 5 extends outwardly, and the spring 6 is sheathed on the periphery of slide bar 5, and described
One end of spring 6 is abutted with screening component, and the other end of the spring 6 is abutted with the inner wall of support frame 1.By the way that slide bar 5 is arranged,
Screening frame 4 can move back and forth in support frame 1 along the length direction of slide bar 5, and the periphery set of slide bar 5 picks up the spring of caching effect
6, it prevents screening frame 4 from hitting the inner wall of support frame 1, causes acutely to shake, influence screening effect.
The screening component includes the screening frame 4 of filter screen 2, drainage conduit 3, driving member and upper and lower opening；The screening frame 4
It is set in support frame by sliding bar, the discharge end of the crushing mechanism and the upper end opening of screening frame are corresponding, described
First discharge port is corresponding with the lower ending opening of screening frame, and at least two filter screens 2 are from top to bottom successively obliquely installed in screening
In frame 4, the side wall of the screening frame 4, which is provided with, connect and is obliquely installed discharge gate with the lowermost end of each filter screen 2 respectively, described
The side wall of support frame 1 is provided with the second discharge port 25 that is corresponding with each discharge gate and being obliquely installed, and the discharge gate passes through row
Expects pipe 3 is connected to corresponding second discharge port 25, and the driving member is set to the outer wall of screening frame 4, the driving component
Output end is connect with driving member.Raw material is added from crushing mechanism, after the completion of being crushed, material is fallen on first filter screen 2,
The biggish material of volume is discharged through the discharge gate of first 2 bottom end of filter screen, and small volume and the moderate material of volume successively pass through
Subsequent filter screen 2 is crossed, is constantly discharged, volume minimum material drops down onto the first discharge port heel row through the lower ending opening of screening frame 4
Out.Under the drive of driving assembly, screening frame 4 is constantly moved back and forth along slide bar, is accelerated whereabouts and the discharge of material, is effectively mentioned
The high screening efficiency of the present apparatus.Filter screen 2, drainage conduit 3, arrangement mouth and the second discharge port 25 in the present apparatus are all made of inclination
Setting improves the screening efficiency of the present apparatus convenient for discharge material.
The inclined direction of two adjacent head nets 2 is opposite.The aperture of filter screen 2 along screening frame 4 upper end opening to lower end
Opening is sequentially reduced.This designs the material that can efficiently separate different volumes.
It further include stock guide 17, the periphery of second discharge port 25 is provided with stock guide 17.This stock guide is obliquely installed
Convenient for being collected to the material of discharge.
As shown in Fig. 2, the driving member includes connecting rod 9 and guide wheel 10；One end of the connecting rod 9 and screening frame 4
Outer wall connection, the rotational installation of guide wheel 10 connect in the other end of connecting rod 9, the output end of the guide wheel 10 and driving assembly
It connects.
The driving component includes the first driving motor 7 and rotating disc 8；First driving motor 7 is fixed on support frame 1
Outer wall, the rotating disc 8 is set in support frame 1, and the output shaft of first driving motor 7 passes through the outer wall of support frame 1
It is connect with an end face of rotating disc 8, the other end of the rotating disc 8 is inclined surface, and the guide wheel 10 offsets with this inclined surface.
Rotating disc 8 constantly rotates under the drive of the first driving motor, and the different location of inclined surface is contacted with guide wheel 10, to push sieve
Frame 4 is selected to move back and forth.
As shown in figure 3, the crushing mechanism includes the charging frame 11, active breaker roll 12, driven breaker roll of upper and lower opening
13, first gear 14, second gear 15 and the second driving motor 16；The active breaker roll 12 and driven breaker roll 13 turn side by side
Dynamic to be installed in charging frame 11, the first gear 14 is installed on one end of active breaker roll 12, and the second gear 15 is installed
In one end of driven breaker roll 13, the first gear 14 and the engagement connection of second gear 15, second driving motor 16
Output shaft is connect with the other end of active breaker roll 12, the lower ending opening and the upper end opening phase of screening frame 4 of the charging frame 11
It is corresponding.Second driving motor 16 drives active breaker roll 12 and driven breaker roll 13 to rotate, and raw material is crushed, broken object
Material drops down onto filter screen 2 after being fed the lower ending opening of frame 11, the upper end opening of screening frame 4, carries out multi-stage screening.
It further include stabiliser bar 18, the side wall of the support frame 1 is provided with the second through hole, and the stabiliser bar 18 is slideably positioned in
In second through hole, one end of the stabiliser bar 18 is connect with the side wall of screening frame 4, and the other end of the stabiliser bar 18 is to extension
It stretches.The stability when reciprocating motion of screening frame 4 can be improved by the way that stabiliser bar 18 is arranged.
The support frame 1 includes bottom plate 19, support plate 20, cross bar 21 and stabilizer blade 22；The bottom plate 19 is provided with the first discharging
Mouthful, the two sides connection of one end difference 19 upper surface of bottom plate of two support plates 20, the other end of two support plates 20
It is connected separately with cross bar 21, charging frame 11 is installed between two cross bars 21, the screening frame 4 is set by the sliding of slide bar 5
It is placed between two support plates 20, the stabilizer blade 22 is respectively arranged at four feet of 19 lower end surface of bottom plate.
First discharge port includes the splicing portion 23 being connected and discharging portion 24, the internal diameter in the splicing portion 23 along its
One open end is gradually successively decreased to the second open end, and first open end in the splicing portion 23 is connected to the lower ending opening of screening frame 4,
Second open end is connected to discharging portion 24.Because screening frame 4 moves back and forth in support frame 1, in order to effectively collect through screening
The material of 4 lower ending opening of frame discharge, the size of first open end are greater than the lower ending opening of screening frame 4.
When needing to carry out industrial chemicals broken screening, start crushing mechanism and the first driving motor 7, the first driving electricity
Machine 7 drives rotating disc 8 to rotate, and under the action of the inclined surface of rotating disc 8, pushes guide wheel 10 mobile, guide wheel 10 passes through connecting rod 9
It pushes screening frame 4 to move back and forth, raw material is added from crushing mechanism, carries out broken work, after the completion of broken, material falls in the
On one filter screen 2, the biggish material of volume is from the discharge gate discharge on first filter screen 2, and volume is moderate and small volume
Material successively fall on subsequent filter screen 2, and be discharged through corresponding discharge gate, submit the smallest material by under screening frame
It brings out mouth and drops down onto the discharge of the first discharge port.The broken screening of present apparatus collection is located away from one, not only can be by the chemical industry object of different volumes
Material is separated, and blanking and discharge velocity can be also accelerated, and improves production efficiency, and enterprise saves production cost.
Above-mentioned specific embodiment is the preferred embodiment of the present invention, can not be limited the invention, and others are appointed
The change or other equivalent substitute modes what is made without departing from technical solution of the present invention, are included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of solid is crushed multistage screening plant, it is characterised in that: including crushing mechanism, driving assembly, sliding assembly, support
Frame and screening component；The screening component is slideably positioned in support frame by the sliding assembly, the crushing mechanism installation
In the upper end of support frame, the discharge end of the crushing mechanism is corresponding with the screening feed end of component, the lower end of the support frame
It is provided with the first discharge port corresponding with the screening discharge end of component；The output end of the driving component is connect with screening component,
To drive the screening component to move reciprocatingly in the support frame.
2. solid according to claim 1 is crushed multistage screening plant, it is characterised in that: the sliding assembly includes slide bar
And spring；The two side walls of the support frame are provided with the first through hole, and two slide bars are slideably positioned in corresponding respectively
In first through hole, one end of two slide bars is connect with the two sides of screening component respectively, the other end of two slide bars
Extend outwardly, the spring pocket is set to the periphery of slide bar, and one end of the spring is abutted with screening component, the spring
The other end is abutted with the inner wall of support frame.
3. solid according to claim 1 is crushed multistage screening plant, it is characterised in that: the screening component includes filtering
Net, drainage conduit, the screening frame of driving member and upper and lower opening；The screening frame is slideably positioned in support frame by sliding assembly,
The discharge end of the crushing mechanism and the upper end opening of screening frame are corresponding, the lower ending opening of first discharge port and screening frame
Corresponding, at least two filter screens are from top to bottom successively obliquely installed in screening frame, and the side wall of the screening frame is provided with difference
Discharge gate is connect and is obliquely installed with the lowermost end of each filter screen, and the side wall of the support frame is provided with opposite with each discharge gate
The second discharge port answered and be obliquely installed, the discharge gate are connected to by drainage conduit with corresponding second discharge port, the biography
Moving part is set to the outer wall of screening frame, and the output end of the driving component is connect with driving member.
4. solid according to claim 3 is crushed multistage screening plant, it is characterised in that: it further include stock guide, described
The periphery of two discharge ports is provided with stock guide.
5. solid according to claim 3 is crushed multistage screening plant, it is characterised in that: the driving member includes connecting rod
And guide wheel；One end of the connecting rod and the outer wall of screening frame connect, and the guide wheel rotational installation is in the other end of connecting rod, institute
The output end for stating guide wheel and driving assembly connects.
6. solid according to claim 3 is crushed multistage screening plant, it is characterised in that: the inclination of two adjacent head nets
It is contrary.
7. solid according to claim 1 is crushed multistage screening plant, it is characterised in that: the driving component includes first
Driving motor and rotating disc；First driving motor is fixed on the outer wall of support frame, and the rotating disc is set in support frame,
The output shaft of first driving motor pass through support frame outer wall and rotating disc an end face connect, the rotating disc it is another
End face is inclined surface, this inclined surface is connect with screening component.
8. solid according to claim 1 is crushed multistage screening plant, it is characterised in that: the crushing mechanism includes up and down
Charging frame, active breaker roll, driven breaker roll, first gear, second gear and the second driving motor of opening；The active is broken
Broken roller and driven breaker roll are rotatablely installed side by side in charging frame, and the first gear is installed on one end of active breaker roll, institute
State one end that second gear is installed on driven breaker roll, the first gear and second gear engagement connection, second driving
The output shaft of motor is connect with the other end of active breaker roll, the feed end phase of the lower ending opening and screening component of the charging frame
It is corresponding.
9. solid according to claim 1 is crushed multistage screening plant, it is characterised in that: it further include stabiliser bar, the branch
The side wall of support frame is provided with the second through hole, and the stabiliser bar is slideably positioned in the second through hole, one end of the stabiliser bar with
The side wall connection of component is screened, the other end of the stabiliser bar extends outwardly.
10. solid according to claim 1 is crushed multistage screening plant, it is characterised in that: the support frame include bottom plate,
Support plate, cross bar and stabilizer blade；The bottom plate is provided with the first discharge port, one end difference bottom plate upper surface of two support plates
Two sides connection, the other end of two support plates are connected separately with cross bar, are equipped with crushing mechanism between two cross bars,
The screening component is slideably positioned between two support plates by sliding assembly, and the stabilizer blade is respectively arranged at bottom plate lower end surface
Four feet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910520990.4A CN110237891A (en) | 2019-06-17 | 2019-06-17 | A kind of broken multistage screening plant of solid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910520990.4A CN110237891A (en) | 2019-06-17 | 2019-06-17 | A kind of broken multistage screening plant of solid |
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| CN112191328A (en) * | 2020-09-22 | 2021-01-08 | 连云港秉文科技有限公司 | Silicon carbide micro-powder superfine grinding machine and grinding method |
| CN112687443A (en) * | 2020-12-22 | 2021-04-20 | 苑红新 | Method for manufacturing neodymium iron boron magnet |
| CN113546545A (en) * | 2021-08-30 | 2021-10-26 | 长春市罡恒电子有限责任公司 | Injectable compound sodium hyaluronate dressing preparation facilities |
| CN117038310A (en) * | 2023-08-17 | 2023-11-10 | 东莞市江合磁业科技有限公司 | Magnetic powder orientation forming device for sintered NdFeB magnet production |
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