CN115155714A - Dry-type waste circuit board recovery system - Google Patents
Dry-type waste circuit board recovery system Download PDFInfo
- Publication number
- CN115155714A CN115155714A CN202210664043.4A CN202210664043A CN115155714A CN 115155714 A CN115155714 A CN 115155714A CN 202210664043 A CN202210664043 A CN 202210664043A CN 115155714 A CN115155714 A CN 115155714A
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- Prior art keywords
- magnetic separation
- separation mechanism
- dry
- lower extreme
- crushing roller
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a dry-type waste circuit board recovery system, relates to the technical field of dry-type waste circuit boards, and aims to solve the problems that an existing recovery device is single in function, poor in recovery quality and low in recovery efficiency of waste circuit boards. Grinding and crushing mechanism is installed to broken mechanism's lower extreme, first magnetic separation mechanism is installed to grinding and crushing mechanism's lower extreme, second magnetic separation mechanism is installed to one side of first magnetic separation mechanism lower extreme, the below of second magnetic separation mechanism is provided with the mechanism that gathers materials, broken mechanism includes the feeder hopper, broken case is installed to the lower extreme of feeder hopper, the internally mounted of broken case has first crushing roller and second crushing roller, broken motor is installed in the outside of broken case, first crushing roller and second crushing roller intermeshing, first crushing roller and second crushing roller all are connected through the bearing with broken case.
Description
Technical Field
The invention relates to the technical field of dry-type waste circuit boards, in particular to a dry-type waste circuit board recovery system.
Background
The dry-type waste circuit board is a mixture of glass fiber reinforced resin and various metals, and the recovery of the dry-type waste circuit board can solve the problem of raw materials and reduce environmental pollution;
for example, a chinese patent with publication number CN212549749U (a multistage crushing device for recovering waste circuit boards): including smashing case, vibrating motor, air-blower and driving motor, the feed inlet is installed to the top of smashing the case, and the bottom of smashing the case is connected with the fly leaf to the below mid-mounting of fly leaf has the discharge gate, the left and right sides fixed mounting of fly leaf has the mounting panel, the well below of smashing the case is rotated and is connected with the second connecting axle, the left and right sides fixed mounting of smashing the case has the air-blower, and the output of air-blower is connected with the exhaust pipe. The multistage crushing device for recycling the waste circuit boards is provided with 2 crushing rollers and rotatable crushing blades, which are opposite in rotation direction, so that the crushed circuit boards can fall below the crushed circuit boards and are crushed again by the rotating crushing blades after the circuit boards are meshed with the crushing rollers and the fixed rollers, and the crushing effect of the device is improved;
above-mentioned prior art only possesses crushing function, and single structure can't continue to handle the material after smashing, and recovery quality is relatively poor, needs transport the aftertreatment after to the material after smashing, and is lower to the recovery efficiency of abandonment circuit board.
Disclosure of Invention
The invention aims to provide a dry type waste circuit board recovery system to solve the problems of single function, poor recovery quality and low recovery efficiency of waste circuit boards in the conventional recovery device in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: dry-type abandonment circuit board recovery system, including broken mechanism, grinding rubbing crusher constructs is installed to broken mechanism's lower extreme, first magnetic separation mechanism is installed to grinding rubbing crusher constructs's lower extreme, second magnetic separation mechanism is installed to one side of first magnetic separation mechanism lower extreme, the below of second magnetic separation mechanism is provided with the mechanism that gathers materials.
Preferably, broken mechanism includes the feeder hopper, broken case is installed to the lower extreme of feeder hopper, the internally mounted of broken case has first crushing roller and second crushing roller, broken motor is installed in the outside of broken case, first crushing roller and second crushing roller intermeshing, first crushing roller and second crushing roller all are connected through the bearing with broken case.
Preferably, the grinding and crushing mechanism is internally provided with an arc-shaped filter plate and a grinding frame, the grinding frame is positioned above the arc-shaped filter plate, and the upper end of the arc-shaped filter plate is provided with a plurality of filter holes.
Preferably, the grinding frame comprises an electric driving shaft, driving arms are mounted at the front end and the rear end of the electric driving shaft, and a grinding roller is mounted between the two driving arms.
Preferably, the internally mounted of first magnetic separation mechanism has first magnet piece, first rotatory section of thick bamboo is installed in the outside of first magnet piece, first row of slag hopper is installed to one side of first magnetic separation mechanism lower extreme, first row of hopper is installed to the opposite side of first magnetic separation mechanism lower extreme, and second magnetic separation mechanism is located the lower extreme of first row of slag hopper, be provided with first baffle between first row of hopper and the first row of slag hopper.
Preferably, the second magnet piece is installed to the internally mounted of second magnetic separation mechanism, the rotatory section of thick bamboo of second is installed in the outside of second magnet piece, the second row's sediment fill is installed to one side of second magnetic separation mechanism lower extreme, the second row's hopper is installed to the opposite side of second magnetic separation mechanism lower extreme, be provided with the second baffle between second row's sediment fill and the second row's sediment fill.
Preferably, an elastic dust cover is arranged at the upper end of the collecting mechanism.
Preferably, the material collecting mechanism comprises a slag collecting groove and a material collecting groove.
Preferably, the inner sides of the slag receiving groove and the material receiving groove are both provided with detachable inner boxes.
Compared with the prior art, the invention has the beneficial effects that:
1. the crushing mechanism is used for primarily crushing the dry-type waste circuit board, the grinding and crushing mechanism is used for grinding and crushing the crushed dry-type waste circuit board, the blocky dry-type waste circuit board is processed into powder materials convenient to recycle, the qualified powder materials enter the first magnetic separation mechanism through a plurality of filter holes in the upper end of the arc-shaped filter plate, and the unqualified powder materials are continuously ground and processed by the grinding frame in the grinding and crushing mechanism until the qualified powder materials are obtained, so that the uniformity of the materials entering the first magnetic separation mechanism is ensured;
2. when the powder material enters the first magnetic separation mechanism, the non-metal powder material falls to the slag discharge hopper under the action of self gravity and is discharged through the slag discharge hopper, the metal material in the powder material is adsorbed on the outer side of the rotary drum under the action of the magnetic attraction of the magnet block and rotates along with the rotary drum, the rotary drum is far away from the magnet block in the rotating process, so that the magnetic force on the surface of the drum body far away from the magnet block disappears, at the moment, the metal material enters the discharge hopper by virtue of self gravity and inertia and is discharged through the discharge hopper, and in the process that the powder material continuously enters and falls, the separation between the metal material and the non-metal material is realized, the first magnetic separation mechanism carries out first separation and recovery on the powder material, and the second magnetic separation and recovery are carried out on the powder material by the second magnetic separation mechanism, so that the recovery quality and the recovery efficiency are improved;
3. the elastic dust cover plays a role in dust prevention, can prevent powder from diffusing into ambient air when metal powder materials and nonmetal powder materials are recycled, ensures the cleanliness of a processing environment, and avoids pollution to the ambient air.
Drawings
FIG. 1 is a schematic structural diagram of a dry-type waste circuit board recycling system according to the present invention;
FIG. 2 is a schematic view of the grinding frame of the present invention;
FIG. 3 is a schematic structural view of the crushing mechanism of the present invention;
FIG. 4 is an enlarged view of a portion of region A of the present invention;
figure 5 is a top view of the collection mechanism of the present invention.
In the figure: 1. a crushing mechanism; 2. a feed hopper; 3. a crushing box; 4. a first crushing roller; 5. a second crushing roller; 6. a crushing motor; 7. an arc-shaped filter plate; 8. a grinding frame; 9. filtering holes; 10. an electric drive shaft; 11. a drive arm; 12. a grinding roller; 13. a first magnet block; 14. a first rotary cylinder; 15. a first slag discharge hopper; 16. a first discharge hopper; 17. a first baffle plate; 18. a second magnet block; 19. a second rotary drum; 20. a second slag discharge hopper; 21. a second discharge hopper; 22. a second baffle; 23. an elastic dust cover; 24. a slag collecting groove; 25. a material receiving groove; 26. a grinding and crushing mechanism; 27. a first magnetic separation mechanism; 28. a second magnetic separation mechanism; 29. and a material collecting mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: dry-type abandonment circuit board recovery system, including broken mechanism 1, grinding and crushing mechanism 26 is installed to broken mechanism 1's lower extreme, first magnetic separation mechanism 27 is installed to grinding and crushing mechanism 26's lower extreme, second magnetic separation mechanism 28 is installed to one side of first magnetic separation mechanism 27 lower extreme, the below of second magnetic separation mechanism 28 is provided with aggregate mechanism 29, first magnetic separation mechanism 27 carries out the first time to select separately the recovery to the powder material, second magnetic separation mechanism 28 carries out the second time to the powder material and selects separately the recovery, recovery quality and recovery efficiency have been improved, aggregate mechanism 29 collects the metal material and the non-metal material after selecting separately.
Further, crushing mechanism 1 includes feeder hopper 2, broken case 3 is installed to the lower extreme of feeder hopper 2, the internally mounted of broken case 3 has first crushing roller 4 and second crushing roller 5, broken motor 6 is installed in the outside of broken case 3, first crushing roller 4 and second crushing roller 5 intermeshing, first crushing roller 4 and second crushing roller 5 all are connected through the bearing with broken case 3, first crushing roller 4 of broken motor 6 work drive and second crushing roller 5 rotate, rely on the meshing extrusion force between first crushing roller 4 and the second crushing roller 5, break into small-size massive structure with the circuit board.
Further, the grinding and crushing mechanism 26 is internally provided with an arc-shaped filter plate 7 and a grinding frame 8, the grinding frame 8 is positioned above the arc-shaped filter plate 7, the upper end of the arc-shaped filter plate 7 is provided with a plurality of filter holes 9, and qualified powder materials enter the first magnetic separation mechanism 27 through the plurality of filter holes 9 at the upper end of the arc-shaped filter plate 7.
Further, grind frame 8 and include electric drive axle 10, actuating arm 11 is all installed at electric drive axle 10's front and back both ends, install grinding roller 12 between two actuating arms 11, grinding frame 8's electric drive axle 10 drives actuating arm 11 and grinding roller 12 and is circular reciprocating motion, grinding roller 12 constantly drives material and 7 contact friction of arc filter plate, grind crushing to the material, process massive dry-type abandonment circuit board into the powder material of the recovery processing of being convenient for, qualified powder material passes through a plurality of filtration pores 9 of arc filter plate 7 upper end and gets into the inside of first magnetic separation mechanism 27, unqualified powder material continues to be ground by grinding frame 8 grinding process inside grinding crushing mechanism 26, it is up to qualified, the degree of consistency of the inside material of the first magnetic separation mechanism 27 of entering has been guaranteed.
Further, a first magnet 13 is installed inside the first magnetic separation mechanism 27, a first rotary drum 14 is installed outside the first magnet 13, a first slag discharge hopper 15 is installed on one side of the lower end of the first magnetic separation mechanism 27, a first slag discharge hopper 16 is installed on the other side of the lower end of the first magnetic separation mechanism 27, the second magnetic separation mechanism 28 is located at the lower end of the first slag discharge hopper 15, a first baffle 17 is arranged between the first slag discharge hopper 16 and the first slag discharge hopper 15, when the powder material enters the first magnetic separation mechanism 27, the non-metal powder material drops to the first slag discharge hopper 15 under the action of self gravity, and is discharged through the first slag discharge hopper 15, the metal material in the powder material is adsorbed outside the first rotary drum 14 under the action of the magnetic attraction of the first magnet 13 and follows the first rotary drum 14 to make rotary motion, the first rotary drum 14 is far away from the first magnet 13 in the rotary process, so that the magnetic force of the drum surface far away from the first magnet 13 disappears, the metal material enters the first slag discharge hopper 16 by virtue of self gravity and inertia, the metal material is discharged through the first slag discharge hopper 16, and the metal material continuously falls down in the discharge process, and the separation of the metal material is realized.
Further, a second magnet block 18 is installed inside the second magnetic separation mechanism 28, a second rotary drum 19 is installed outside the second magnet block 18, a second slag discharge hopper 20 is installed on one side of the lower end of the second magnetic separation mechanism 28, a second slag discharge hopper 21 is installed on the other side of the lower end of the second magnetic separation mechanism 28, a second baffle 22 is arranged between the second slag discharge hopper 21 and the second slag discharge hopper 20, the separated non-metal powder material enters the second magnetic separation mechanism 28 through the first slag discharge hopper 15 and is separated again by the second magnetic separation mechanism 28, the non-metal powder material falls to the second slag discharge hopper 20 under the action of self-gravity and is discharged through the second slag discharge hopper 20, the metal material is adsorbed on the outer side of the second rotary drum 19 under the action of the magnetic force of the second magnet block 18 and follows the second rotary drum 19 to perform rotary motion, the second rotary drum 19 is far away from the second magnet block 18 in the rotary process, so that the magnetic force on the drum surface far away from the second slag discharge hopper 18 disappears, the magnet material enters the second slag discharge hopper 21 under the action of self-gravity and inertia, and is discharged through the second slag discharge hopper 21.
Further, the upper end of the collecting mechanism 29 is provided with an elastic dust cover 23, the elastic dust cover 23 plays a role in dust prevention, and when metal powder materials and nonmetal powder materials are recycled, powder can be prevented from being diffused into the ambient air, the cleanness degree of a processing environment is guaranteed, and pollution to the ambient air is avoided.
Further, the collecting mechanism 29 comprises a slag collecting groove 24 and a material collecting groove 25, the slag collecting groove 24 collects non-metal materials, and the material collecting groove 25 collects metal materials.
Further, receive the inboard of sediment groove 24 and receipts silo 25 and all install and to dismantle the inner box, the mechanism 29 that gathers materials collects the metal material and the non-metallic material after the separation, can dismantle the inner box and make things convenient for the transportation to the material.
The working principle is as follows: when the magnetic separation device is used, after the dry-type waste circuit board is disassembled, components such as a battery assembly, a transformer and the like are disassembled, the rest part is put into the crushing mechanism 1, the crushing motor 6 works to drive the first crushing roller 4 and the second crushing roller 5 to rotate, the circuit board is crushed into a small block structure by means of meshing extrusion force between the first crushing roller 4 and the second crushing roller 5, the crushed circuit board enters the grinding and crushing mechanism 26, the electric driving shaft 10 of the grinding frame 8 drives the driving arm 11 and the grinding roller 12 to do circular reciprocating motion, the grinding roller 12 continuously drives materials to be in contact friction with the arc-shaped filter plate 7, the materials are ground and crushed, the block-shaped dry-type waste circuit board is processed into powder materials convenient to recycle, qualified powder materials enter the first magnetic separation mechanism 27 through the plurality of filter holes 9 at the upper end of the arc-shaped filter plate 7, unqualified powder materials are continuously ground and processed by the grinding frame 8 in the grinding and crushing mechanism 26 until qualified, the uniformity of the materials entering the first magnetic separation mechanism 27 is ensured, when the powder materials enter the first magnetic separation mechanism 27, the nonmetal materials fall under the action of the first discharge hopper 13, the first magnetic separation hopper, the magnetic separation hopper 14, the materials are continuously acted on the first discharge hopper 13, the first magnetic separation hopper, the first discharge hopper 13 and the first magnetic separation hopper 14, the first magnetic separation hopper, the second magnetic separation hopper 14, the non-metal powder material after separation gets into the inside of second magnetic separation mechanism 28 through first sediment fill 15, by second magnetic separation mechanism 28 re-separation, non-metal powder material receives self action of gravity to drop to second sediment fill 20, discharge through second sediment fill 20, metal material receives the magnetic attraction effect of second magnet piece 18 and adsorbs in the outside of second rotary drum 19, and follow second rotary drum 19 and do rotary motion, second rotary drum 19 keeps away from second magnet piece 18 at rotatory in-process, make the barrel surface magnetic force of keeping away from second magnet piece 18 disappear, metal material relies on self gravity and inertia to get into second sediment fill 21 this moment, discharge through second sediment fill 21, mechanism 29 collects metal material and non-metal material after the separation, first magnetic separation mechanism 27 carries out the first separation recovery to powder material, second magnetic separation mechanism 28 carries out the second separation recovery to powder material, the recovery quality has been improved and recovery efficiency, elastic dust cover 23 plays the effect of dustproof, when retrieving metal powder material and non-metal powder material, can block the powder diffusion to the ambient air degree of processing, avoid causing the clean air pollution around the processing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. Dry-type abandonment circuit board recovery system, including broken mechanism (1), its characterized in that: grinding and smashing mechanism (26) are installed to the lower extreme of broken mechanism (1), first magnetic separation mechanism (27) are installed to the lower extreme of grinding and smashing mechanism (26), second magnetic separation mechanism (28) are installed to one side of first magnetic separation mechanism (27) lower extreme, the below of second magnetic separation mechanism (28) is provided with mechanism (29) of gathering materials.
2. The dry scrap line board recycling system of claim 1, wherein: broken mechanism (1) includes feeder hopper (2), broken case (3) are installed to the lower extreme of feeder hopper (2), the internally mounted of broken case (3) has first crushing roller (4) and second crushing roller (5), broken motor (6) are installed in the outside of broken case (3), first crushing roller (4) and second crushing roller (5) intermeshing, first crushing roller (4) and second crushing roller (5) all are connected through the bearing with broken case (3).
3. The dry waste cord plate recycling system according to claim 2, wherein: the grinding and crushing mechanism (26) is internally provided with an arc-shaped filter plate (7) and a grinding frame (8), the grinding frame (8) is positioned above the arc-shaped filter plate (7), and the upper end of the arc-shaped filter plate (7) is provided with a plurality of filter holes (9).
4. The dry waste cord plate recycling system according to claim 3, wherein: grind frame (8) including electric drive axle (10), actuating arm (11) are all installed to electric drive axle (10) both ends around, two install grinding roller (12) between actuating arm (11).
5. The dry scrap line board recycling system of claim 4, wherein: the internally mounted of first magnetic separation mechanism (27) has first magnet piece (13), first revolving drum (14) are installed in the outside of first magnet piece (13), first row of sediment fill (15) are installed to one side of first magnetic separation mechanism (27) lower extreme, first row of bucket (16) is installed to the opposite side of first magnetic separation mechanism (27) lower extreme, and second magnetic separation mechanism (28) are located the lower extreme of first row of sediment fill (15), be provided with first baffle (17) between first row of bucket (16) and first row of sediment fill (15).
6. The dry scrap line board recycling system of claim 5, wherein: the magnetic separator is characterized in that a second magnet block (18) is arranged inside the second magnetic separation mechanism (28), a second rotary drum (19) is arranged outside the second magnet block (18), a second slag discharge hopper (20) is arranged on one side of the lower end of the second magnetic separation mechanism (28), a second discharge hopper (21) is arranged on the other side of the lower end of the second magnetic separation mechanism (28), and a second baffle (22) is arranged between the second discharge hopper (21) and the second slag discharge hopper (20).
7. The dry waste cord plate recycling system according to claim 6, wherein: and an elastic dust cover (23) is arranged at the upper end of the collecting mechanism (29).
8. The dry waste cord plate recycling system of claim 7, wherein: the collecting mechanism (29) comprises a slag collecting groove (24) and a material collecting groove (25).
9. The dry scrap line board recycling system of claim 8, wherein: and detachable inner boxes are respectively arranged on the inner sides of the slag receiving groove (24) and the receiving groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210664043.4A CN115155714A (en) | 2022-06-14 | 2022-06-14 | Dry-type waste circuit board recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210664043.4A CN115155714A (en) | 2022-06-14 | 2022-06-14 | Dry-type waste circuit board recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115155714A true CN115155714A (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210664043.4A Pending CN115155714A (en) | 2022-06-14 | 2022-06-14 | Dry-type waste circuit board recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115155714A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921010A (en) * | 2023-01-04 | 2023-04-07 | 辽宁省建材工业设计院有限公司 | Preparation process of manganese tailing slag concrete |
| CN117046869A (en) * | 2023-09-15 | 2023-11-14 | 淮安锦致电路科技有限公司 | Waste material processing apparatus is used in PCB circuit board processing |
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| CN113976590A (en) * | 2021-09-22 | 2022-01-28 | 上海槎南再生资源有限公司 | Industrial waste renewable resource recovery device |
| CN216573256U (en) * | 2021-10-28 | 2022-05-24 | 浙江富星环保科技有限公司 | High-efficient breaker of industrial refuse |
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| CN206763075U (en) * | 2017-06-05 | 2017-12-19 | 安徽鑫泰药业有限公司 | A kind of breaker for the broken refinement of Chinese medicine |
| CN108579983A (en) * | 2018-03-13 | 2018-09-28 | 王少平 | A kind of integrated breaking milling apparatus of cement raw material |
| CN109701709A (en) * | 2018-12-28 | 2019-05-03 | 象山锦绣升平食品有限公司 | A kind of grinder |
| CN213133361U (en) * | 2020-08-18 | 2021-05-07 | 甘肃京兰水泥有限公司 | Cement manufacture is with grinder that has screening function |
| CN112264174A (en) * | 2020-09-30 | 2021-01-26 | 李雨梦 | A automatic grinder for chinese herbal medicine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921010A (en) * | 2023-01-04 | 2023-04-07 | 辽宁省建材工业设计院有限公司 | Preparation process of manganese tailing slag concrete |
| CN117046869A (en) * | 2023-09-15 | 2023-11-14 | 淮安锦致电路科技有限公司 | Waste material processing apparatus is used in PCB circuit board processing |
| CN117046869B (en) * | 2023-09-15 | 2024-04-12 | 淮安锦致电路科技有限公司 | Waste material processing apparatus is used in PCB circuit board processing |
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