CN109176981A - A kind of environment-friendly type waste plastics grinding device - Google Patents
A kind of environment-friendly type waste plastics grinding device Download PDFInfo
- Publication number
- CN109176981A CN109176981A CN201810847703.6A CN201810847703A CN109176981A CN 109176981 A CN109176981 A CN 109176981A CN 201810847703 A CN201810847703 A CN 201810847703A CN 109176981 A CN109176981 A CN 109176981A
- Authority
- CN
- China
- Prior art keywords
- crush box
- side wall
- fixing seat
- wall
- waste plastics
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/143—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with a disc rotor having generally radially extending slots or openings bordered with cutting knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2216—Discharge means
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/044—Knives
-
- 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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
It include crush box the invention discloses a kind of environment-friendly type waste plastics grinding device, the crush box is hollow structure, the upper end side wall of the crush box offers feed inlet, the side wall of the crush box is equipped with fixing seat, and the upper end side wall of fixing seat is equipped with driving motor, the driving motor is equipped with and the matched crushing knife of its output shaft, and the output shaft of driving motor is arranged through the side wall of crush box, the crush box is equipped with and the matched serrated knife of crushing knife far from the inner wall of fixing seat, the bottom side of the wall of the crush box is equipped with discharge port, and the inner wall of crush box is equipped with and the matched slide being obliquely installed of discharge port, the crush box is equipped with reciprocator far from the side wall of discharge port.The dust of generation can be sucked dust catcher centralized processing by the present invention while crushing waste plastics, protect worker's health, while the plastics waste residue of crushing safely can also be released pulverizer, worker is avoided to suck more dust particles.
Description
Technical field
The present invention relates to plastic shredding device technical field more particularly to a kind of environment-friendly type waste plastics grinding devices.
Background technique
Waste plastics is in civil, industrial and other applications, to use and the general designation of the final plastics eliminated or replaced, and is
500~1000 years plastics that could be rotted, often result in pollution in wide area, so needing to be processed for protecting to waste plastics
Environment, present people commonly use the method crushed and carry out treatment of waste plastics；
When smashing plastic, waste plastics is crushed slagging, while the powder cut in crush box by waste plastics by crushing knife high-speed cutting
Dirt can disperse everywhere, and dust is inhaled into the body of people, influence health, will cause the serious diseases such as pneumoconiosis, crush simultaneously
Machine, which crushes the particle generated, can be deposited in robot base, and people are usually that particle is dug out with gloves, so that people leans on
Nearly pulverizer discharge port, sucks more dust, for this purpose, we have proposed a kind of environment-friendly type waste plastics grinding devices to solve
State problem.
Summary of the invention
The purpose of the present invention is to solve in crush box in the prior art by waste plastics cut dust can disperse everywhere,
Dust is inhaled into the body of people, influences health, will cause the serious diseases such as pneumoconiosis, while pulverizer crushes the broken of generation
Material can be deposited in robot base, and people are usually that particle is dug out with gloves, so that people close to pulverizer discharge port,
A kind of environment-friendly type waste plastics grinding device for sucking more dust problems, and proposing.
To achieve the goals above, present invention employs following technical solutions:
A kind of environment-friendly type waste plastics grinding device, including crush box, the crush box are hollow structure, the upper end of the crush box
Side wall offers feed inlet, and the side wall of the crush box is equipped with fixing seat, and the upper end side wall of fixing seat is equipped with driving motor, institute
State driving motor be equipped with the matched crushing knife of its output shaft, and the output shaft of driving motor is set through the side wall of crush box
It sets, the crush box is equipped with far from the inner wall of fixing seat and sets with the matched serrated knife of crushing knife, the bottom side of the wall of the crush box
Have a discharge port, and the inner wall of crush box be equipped with the matched slide being obliquely installed of discharge port, the crush box is far from discharge port
Side wall be equipped with reciprocator, and reciprocator is fixedly connected with the bottom side of the wall of fixing seat, and the crush box is far from fixing seat
Side wall be equipped with support base, the upper end side wall of the support base is equipped with dust catcher, and the suction pipe of dust catcher runs through the side of crush box
Wall setting.
Preferably, the reciprocator includes the slide bar being laterally arranged, and the slide bar is located at the lower section setting of fixing seat, and
Slide bar is arranged through the side wall of crush box, and the bottom side of the wall of the slide bar outside crush box is rotatablely connected by first rotating shaft
There is the first oscillating rod, the described one end of first oscillating rod far from first rotating shaft is rotatably connected to the second swing by the second shaft
Bar, the side wall of the crush box are fixedly connected with bottom plate, and second oscillating rod passes through the upper end side wall of third shaft and bottom plate
Rotation connection, the side wall of second oscillating rod offer sliding slot, and the upper end sidewalls vertical of the bottom plate is equipped with mounting blocks, described
The upper end of mounting blocks is rotatably connected to turntable by the 4th shaft, and the side wall of the turntable is equipped with and the matched sliding block of sliding slot, institute
The bottom side of the wall for stating fixing seat is equipped with connecting rod vertically, the lower end of the connecting rod be equipped with the matched sliding sleeve of slide bar, and slide bar runs through
Sliding sleeve setting.
Preferably, the sliding block is equipped with crank far from one end of turntable.
Preferably, the slide bar is equipped with push plate far from one end of sliding sleeve, and the push plate is equipped with hairbrush far from one end of slide bar.
Preferably, the upper end side wall of the fixing seat is equipped with rubber pad.
Preferably, the upper end of the crush box is rotatably connected to and the matched cover board of feed inlet by the 5th shaft.
Compared with prior art, the beneficial effects of the present invention are:
The present invention: 1, when pulverizer crush waste plastics generated dust can be effectively absorbed by dust catcher, avoided because inhaling
The dust that enters is excessive and changes respiratory disease, protects health, and people need to only shake crank can be pulverizer powder
Broken disintegrating slag is released, it is not necessary to and it is gone to draw plastics disintegrating slag again with hand, avoids people and discharge port close contact, in order to avoid suck more powder
Dirt；
2, shaking crank pushes cross bar that can effectively clean up the disintegrating slag for crushing motor spindle, while hairbrush can also brush out
Tiny broken plastic grain once, pulverizer internal cleaning is obtained cleaner, is in addition covered when pulverizer works with cover board
Discharge port can effectively reduce dust dispersion, reduce the sucked waste plastics dust particles of worker, reduce worker and suffer from respiratory tract disease
The probability of disease.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of environment-friendly type waste plastics grinding device proposed by the present invention；
Fig. 2 is the structural schematic diagram in Fig. 1 at A.
In figure: 1 crush box, 2 feed inlets, 3 fixing seats, 4 driving motors, 5 crushing knifes, 6 serrated knifes, 7 discharge ports, 8 slides,
9 reciprocators, 901 slide bars, 902 first rotating shafts, 903 first oscillating rods, 904 second shafts, 905 second oscillating rods, 906 bottoms
Plate, 907 third shafts, 908 sliding slots, 909 mounting blocks, 910 the 4th shafts, 911 turntables, 912 sliding blocks, 913 connecting rods, 914 sliding sleeves,
10 support bases, 11 dust catchers, 12 cranks, 13 push plates, 14 the 5th shafts, 15 cover boards.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of environment-friendly type waste plastics grinding device, including crush box 1, crush box 1 are hollow structure, are crushed
The upper end side wall of case 1 offers feed inlet 2, and the upper end of crush box 1 is rotatably connected to by the 5th shaft 14 to be matched with feed inlet 2
Cover board 15, cover board 15 is opened when feeding intake, closure flap 15 when work, it is possible to reduce dust flies out from discharge port 2, crush box
1 side wall is equipped with fixing seat 3, and the upper end side wall of fixing seat 3 is equipped with rubber pad, and the upper end side wall of fixing seat 3 is equipped with driving
Motor 4 can acutely shake when driving motor 4 works, and rubber pad can avoid damaging because of collision with the shaking of buffered-display driver motor
Wound；
Driving motor 4 be equipped with the matched crushing knife 5 of its output shaft, and the output shaft of driving motor 4 run through crush box 1 side
Wall setting, crush box 1 far from fixing seat 3 inner wall be equipped with the matched serrated knife 6 of crushing knife 5, carry out crushed work when opening
Driving motor 4, crushing knife 5 start high-speed rotation, waste plastics are cut into disintegrating slag, and the waste plastics put into from feed inlet 2 is in itself weight
Power effect is lower to fall, and the cutting and grinding by crushing knife 5 and serrated knife 6 are equipped at plastics disintegrating slag, the bottom side of the wall of crush box 1
Material mouth 7, and the inner wall of crush box 1 be equipped with the matched slide 8 being obliquely installed of discharge port 7, the waste plastics slag of crushing can lead to
It crosses slide 8 and skids off discharge port 7, crush box 1 is equipped with reciprocator 9 far from the side wall of discharge port 7, and reciprocator 9 can backhaul
It is dynamic that waste plastics slag is released into crush box 1, it avoids worker from wearing gloves and draws plastics slag；
Reciprocator 9 includes the slide bar 901 being laterally arranged, and slide bar 901 is equipped with push plate 13, push plate 13 far from one end of sliding sleeve 914
One end far from slide bar 901 is equipped with hairbrush, when pushing slide bar 901, push plate 13 is driven to move back and forth, push plate 13 is by 1 bottom of crush box
The plastics slag in portion releases pulverizer, and hairbrush can also brush out some tiny disintegrating slags；
Slide bar 901 is located at the lower section setting of fixing seat 3, and slide bar 901 is arranged through the side wall of crush box 1, is located at outside crush box 1
The bottom side of the wall of slide bar 901 the first oscillating rod 903 is rotatably connected to by first rotating shaft 902, the first oscillating rod 903 is far from the
One end of one shaft 902 is rotatably connected to the second oscillating rod 905 by the second shaft 904, and the side wall of crush box 1 is fixedly connected with
Bottom plate 906, the second oscillating rod 905 are rotatablely connected by the upper end side wall of third shaft 907 and bottom plate 906, the second oscillating rod 905
Side wall offer sliding slot 908, the upper end sidewalls vertical of bottom plate 906 is equipped with mounting blocks 909, and the upper ends of mounting blocks 909 passes through the
Four shafts 910 are rotatably connected to turntable 911, the side wall of turntable 911 be equipped with the matched sliding block 912 of sliding slot 908, sliding block 912 is remote
One end from turntable 911 is equipped with crank 12, and only need to shake crank 12 can rotate turntable 911, easily laborsaving；
Turntable 911 is rotated, sliding block 912 follows turntable 911 to rotate, while sliding block 912 slides in sliding slot 908, and drives second
Oscillating rod 905 is swung along third shaft 907, and the second oscillating rod 905 drives the first oscillating rod 903 to move left and right, while first
Oscillating rod 903 is slightly swung under the action of support force along the generation of first rotating shaft 902 when the second oscillating rod 905 is swung, the
One oscillating rod 903 band moving slide-bar 901 when moving left and right moves left and right；
The bottom side of the wall of fixing seat 3 is equipped with connecting rod 913 vertically, the lower end of connecting rod 913 be equipped with the matched sliding sleeve 914 of slide bar 901,
And slide bar 901 is arranged through sliding sleeve 914, slide bar 901 slides in sliding sleeve 914, guarantees that slide bar 901 will not be because of certainly in sliding
Body gravity and glance off, and reciprocator 9 is fixedly connected with the bottom side of the wall of fixing seat 3, and crush box 1 is far from fixing seat 3
Side wall is equipped with support base 10, and the upper end side wall of support base 10 is equipped with dust catcher 11, and the suction pipe of dust catcher 11 is through crush box 1
Side wall setting is powered when crushing waste plastics to dust catcher 11, and dust catcher 11 can will crush the dust sucking that waste plastics generates and do
Centralized processing.
Driving motor 4 and dust catcher 11 are first opened when the invention works, crushing knife 5 starts high-speed rotation, cover board 15 is opened,
The waste plastics for needing to crush is put into pulverizer from feed inlet 2, then covers cover board 15, the waste plastics put into from feed inlet 2 is certainly
It falls under body gravity, the cutting and grinding by crushing knife 5 and serrated knife 6 generate dust at plastics disintegrating slag, dust catcher
11 the dust of generation is sucked out from pulverizer, and plastics disintegrating slag is fallen on the slide 8 for crushing motor spindle, from slide 8 by discharging
Mouth 7 skids off pulverizer；
When plastics disintegrating slag can not be skidded off from slide 8 in time, crank 12 is shaken, turntable 911 is driven to rotate, sliding block 912, which follows, to be turned
Disk 911 rotates, while sliding block 912 slides in sliding slot 908, and the second oscillating rod 905 is driven to swing along third shaft 907,
Second oscillating rod 905 drives the first oscillating rod 903 to move left and right, while the first oscillating rod 903 is when the second oscillating rod 905 is swung
It is slightly swung under the action of support force along the generation of first rotating shaft 902, the first oscillating rod 903 band moving slide-bar when moving left and right
901 move left and right, and slide bar 901 drives push plate 13 to move back and forth, and the plastics slag of 1 bottom of crush box is released pulverizer by push plate 13,
Hairbrush can also brush out some tiny disintegrating slags.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of environment-friendly type waste plastics grinding device, including crush box (1), which is characterized in that the crush box (1) is hollow knot
The upper end side wall of structure, the crush box (1) offers feed inlet (2), and the side wall of the crush box (1) is equipped with fixing seat (3), and
The upper end side wall of fixing seat (3) is equipped with driving motor (4), and the driving motor (4) is equipped with and the matched crushing of its output shaft
Knife (5), and side wall of the output shaft of driving motor (4) through crush box (1) is arranged, the crush box (1) is far from fixing seat (3)
Inner wall be equipped with and be equipped with discharge port (7) with crushing knife (5) matched serrated knife (6), the bottom side of the wall of the crush box (1), and
The inner wall of crush box (1) is equipped with and the matched slide (8) being obliquely installed of discharge port (7), the separate discharge port of the crush box (1)
(7) side wall is equipped with reciprocator (9), and reciprocator (9) is fixedly connected with the bottom side of the wall of fixing seat (3), the crushing
Case (1) is equipped with support base (10) far from the side wall of fixing seat (3), and the upper end side wall of the support base (10) is equipped with dust catcher
(11), and side wall of the suction pipe of dust catcher (11) through crush box (1) is arranged.
2. a kind of environment-friendly type waste plastics grinding device according to claim 1, which is characterized in that the reciprocator (9)
Including the slide bar (901) being laterally arranged, the slide bar (901) is located at the lower section setting of fixing seat (3), and slide bar (901) runs through
The side wall of crush box (1) is arranged, and the bottom side of the wall for being located at the described slide bar (901) of crush box (1) outside passes through first rotating shaft (902)
It is rotatably connected to the first oscillating rod (903), first oscillating rod (903) passes through second far from the one end of first rotating shaft (902)
Shaft (904) is rotatably connected to the second oscillating rod (905), and the side wall of the crush box (1) is fixedly connected with bottom plate (906), institute
It states the second oscillating rod (905) to be rotatablely connected by the upper end side wall of third shaft (907) and bottom plate (906), described second swings
The side wall of bar (905) offers sliding slot (908), and the upper end sidewalls vertical of the bottom plate (906) is equipped with mounting blocks (909), described
The upper end of mounting blocks (909) is rotatably connected to turntable (911) by the 4th shaft (910), and the side wall of the turntable (911) is equipped with
It is equipped with connecting rod (913), the connecting rod vertically with the bottom side of the wall of sliding slot (908) matched sliding block (912), the fixing seat (3)
(913) lower end be equipped with 901 matched sliding sleeve (914) of slide bar, and slide bar (901) through sliding sleeve (914) setting.
3. a kind of environment-friendly type waste plastics grinding device according to claim 2, which is characterized in that the sliding block (912) is remote
One end from turntable (911) is equipped with crank (12).
4. a kind of environment-friendly type waste plastics grinding device according to claim 2, which is characterized in that the slide bar (901) is remote
One end from sliding sleeve (914) is equipped with push plate (13), and the push plate (13) is equipped with hairbrush far from the one end of slide bar (901).
5. a kind of environment-friendly type waste plastics grinding device according to claim 1, which is characterized in that the fixing seat (3)
Upper end side wall is equipped with rubber pad.
6. a kind of environment-friendly type waste plastics grinding device according to claim 1, which is characterized in that the crush box (1)
Upper end is rotatably connected to and feed inlet (2) matched cover board (15) by the 5th shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847703.6A CN109176981A (en) | 2018-07-27 | 2018-07-27 | A kind of environment-friendly type waste plastics grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847703.6A CN109176981A (en) | 2018-07-27 | 2018-07-27 | A kind of environment-friendly type waste plastics grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109176981A true CN109176981A (en) | 2019-01-11 |
Family
ID=64937730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810847703.6A Pending CN109176981A (en) | 2018-07-27 | 2018-07-27 | A kind of environment-friendly type waste plastics grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109176981A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625858A (en) * | 2019-09-12 | 2019-12-31 | 徐州全兴电碳制品有限公司 | Leftover material rubber recovery device in sealing element production process and utilization method thereof |
| CN112044531A (en) * | 2020-08-20 | 2020-12-08 | 张贤林 | Huge stone crushing device of cement production for building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625858A (en) * | 2019-09-12 | 2019-12-31 | 徐州全兴电碳制品有限公司 | Leftover material rubber recovery device in sealing element production process and utilization method thereof |
| CN112044531A (en) * | 2020-08-20 | 2020-12-08 | 张贤林 | Huge stone crushing device of cement production for building |
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Application publication date: 20190111 |