CN109675669A - A kind of waste metal precrushing processing equipment - Google Patents
A kind of waste metal precrushing processing equipment Download PDFInfo
- Publication number
- CN109675669A CN109675669A CN201910022498.4A CN201910022498A CN109675669A CN 109675669 A CN109675669 A CN 109675669A CN 201910022498 A CN201910022498 A CN 201910022498A CN 109675669 A CN109675669 A CN 109675669A
- Authority
- CN
- China
- Prior art keywords
- drive roll
- driven voller
- driven
- fixed
- harrowing
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 239000002699 waste material Substances 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 239000012634 fragment Substances 0.000 claims abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 4
- 241000761557 Lamina Species 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000004484 Briquette Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- 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
-
- 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
- B02C4/286—Feeding devices
-
- 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
- B02C4/30—Shape or construction of 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
- B02C4/40—Detachers, e.g. scrapers
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Soil Working Implements (AREA)
Abstract
A kind of waste metal precrushing processing equipment of the present invention, pan feeding sliding slot, which plugs, to be fixed at the top of the avris of right case, discharge bucket is fixed on the bottom of left box body, material pressing device and broken roller assembly are placed in main box, and material pressing device is located at the extension fragment position of pan feeding sliding slot, binder oil cylinder is fixed on main box, material pressing device is fixed on the output shaft of binder oil cylinder, bearing block there are two being respectively mounted on the opposite flank of main box, and the bearing block on opposite flank is corresponding, drive roll and driven voller pass through bearing respectively and are fixed on the bearing block of opposite flank, multiple driven harrowing wheels are arranged on driven voller, those driven harrowing wheels are alternately set on driven voller at a certain distance, multiple active harrowing wheels are arranged on drive roll, those active harrowing wheels are alternately set on drive roll at a certain distance, active harrowing wheel and driven harrowing wheel staggered row One end of cloth, drive roll and driven voller is mounted on actuating unit, and drive roll is connected with the other end of driven voller by transmission gear.
Description
Technical field
The present invention relates to waste metal precrushing fields, are used for more particularly to one kind by waste metal briquetting, vehicle frame, vehicle
The equipment of shell precrushing.
Background technique
Metal thin material is initially formed metallic briquette before removal process, if big metallic briquette be directly entered crusher into
The problems such as row is broken, will lead to too low yield, serious wear.Using Large Crusher directly to waste metal briquetting, vehicle shell, vehicle
Frame carry out paddle type mill it is broken when, since material is unknown in briquetting, exist more than there is explosion in crusher ability and crusher
Risk.And material is more than the most preferably broken range of crusher, crusher current peak is big, and the broken time is long, and crushing efficiency is low, is crushed
The service life of machine vulnerable part substantially reduces, and steel mill's steel-making materials are not achieved in broken material.In addition, current bale breaker can not be fine
Large batch of waste metal briquetting, vehicle shell, vehicle frame are effectively decomposed, and worker's is labor-intensive, using energy source effect
Rate is lower.Need to develop novel waste and old metal handling equipment to meet above-mentioned requirements.
Summary of the invention
It is an object of that present invention to provide the precrushing equipment of a kind of waste metal briquetting, vehicle shell, vehicle frame, can be apparent from
The property and characteristic of material in briquetting provide consistent low-density material uniform in size for subsequent crusher, to shorten crusher
The broken time, while relieving the risk exploded in crusher, which is unique structure, operation is easy to maintenance, safety is high
The novel metal recovery equipment of effect.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The present invention provides a kind of waste metal precrushing processing equipment, it is characterized in that comprising pan feeding sliding slot, by left case
Main box that body and right case are spliced, material pressing device, binder oil cylinder, broken roller assembly, actuating unit, transmission gear
And discharge bucket, the broken roller assembly includes drive roll and driven voller.
The pan feeding sliding slot, which plugs, to be fixed at the top of the avris of right case, and the discharge bucket is fixed on the bottom of left box body,
The material pressing device and broken roller assembly are placed in main box, and the material pressing device is located at the extension fragment position of pan feeding sliding slot
Place, the binder oil cylinder are fixed on main box, and material pressing device, the main box are fixed on the output shaft of the binder oil cylinder
Opposite flank on the bearing block that is respectively mounted there are two bearing block and on opposite flank it is corresponding, the drive roll and driven voller
It is fixed on the bearing block of opposite flank by bearing respectively, multiple driven harrowing wheels is arranged on the driven voller, those are driven
Harrowing wheel is alternately set on driven voller at a certain distance, and multiple active harrowing wheels are arranged on the drive roll, those are actively harrowed
Wheel be alternately set on drive roll at a certain distance, the active harrowing wheel and driven harrowing wheel are staggered, the drive roll and
One end of driven voller is mounted on actuating unit, and the drive roll is connected with the other end of driven voller by transmission gear.
Preferably, the actuating unit includes the first hydraulic motor, the first speed reducer, the second hydraulic motor and second
One end of speed reducer, the drive roll is connected with the first hydraulic motor by the first speed reducer, and one end of the driven voller passes through
Second speed reducer is connected with the second hydraulic motor.
Preferably, the actuating unit further includes the first locking plate and the second locking plate, first speed reducer
One end is connect by the connection of one end of the first locking plate and drive roll, the other end with the first hydraulic motor, second speed reducer
One end connect by one end connection of the second locking plate and driven voller, the other end with the second hydraulic motor.
Preferably, the main box tiltedly cuts open structure using 50-70 °.
Preferably, the material pressing device includes the dental lamina of a substrate and multiple upside-down triangle shapes, those dental laminas are fixed on base
The outside of plate.
Preferably, the left box body is fixedly connected with right case using high-strength bolt.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that:
The present invention can be apparent from the property and characteristic of material in briquetting, provide uniform in size one for subsequent crusher
The low-density material of cause to shorten the broken time of crusher, while relieving the risk exploded in crusher, which is structure
Metal recovery unique, that operation is easy to maintenance, safely and efficiently novel is equipped
Detailed description of the invention
Fig. 1 is the crusher overall construction drawing of present pre-ferred embodiments.
Fig. 2 is the main box structure chart of present pre-ferred embodiments.
Fig. 3 is the breaker roll arrangement figure of present pre-ferred embodiments.
Fig. 4 is the driven harrowing wheel structure chart of present pre-ferred embodiments.
Fig. 5 is the active harrowing wheel structure chart of present pre-ferred embodiments.
Fig. 6 is the power transmission line figure of present pre-ferred embodiments.
Fig. 7 is the driven harrowing wheel layout viewing of present pre-ferred embodiments.
Fig. 8 is the active harrowing wheel layout viewing of present pre-ferred embodiments.
1- pan feeding sliding slot, 2- binder oil cylinder, 3- material pressing device, 4- discharge bucket, 5- left box body, 6- right case, 7- bearing block,
8- transmission gear, 9- drive roll, 10- driven voller, the first speed reducer of 11-, the first hydraulic motor of 12-, the driven harrowing wheel of 13-, 14- master
Dynamic harrowing wheel, the first locking plate of 15-, the second hydraulic motor of 16-, the second speed reducer of 17-, the second locking plate of 18-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in figures 1 to 6, the present embodiment provides a kind of waste metal precrushing processing equipments comprising pan feeding sliding slot 1, by
Main box that left box body 5 and right case 6 are spliced, material pressing device 3, binder oil cylinder 2, broken roller assembly, actuating unit,
Transmission gear 8 and discharge bucket 4, the broken roller assembly include drive roll 9 and driven voller 10.
The pan feeding sliding slot 1, which plugs, to be fixed at the top of the avris of right case 6, and the discharge bucket 4 is fixed on the bottom of left box body 5
Portion, the material pressing device 3 and broken roller assembly are placed in main box, and the material pressing device 3 is located at the extended segment of pan feeding sliding slot 1
At position, the binder oil cylinder 2 is fixed on main box, and material pressing device 3, institute are fixed on the output shaft of the binder oil cylinder 2
It is corresponding to state the bearing block 7 being respectively mounted there are two bearing block 7 and on opposite flank on the opposite flank of main box, the active
Roller 9 and driven voller 10 are fixed on the bearing block 7 of opposite flank by bearing respectively, be arranged on the driven voller 10 it is multiple from
Dynamic harrowing wheel 13, those driven harrowing wheels 13 are alternately set on driven voller 10 at a certain distance (see Fig. 7), on the drive roll 9
Multiple active harrowing wheels 14 are arranged with, those active harrowing wheels 14 are alternately set on drive roll 9 at a certain distance (see Fig. 8), institute
It states active harrowing wheel 14 and driven harrowing wheel 13 is staggered, one end of the drive roll 9 and driven voller 10 is mounted on power transmission
The other end of device, the drive roll 9 and driven voller 10 is connected by transmission gear 8.
Wherein, the actuating unit includes the first hydraulic motor 12, the first speed reducer 11, the first locking plate 15, the
One end of two hydraulic motors 16, the second speed reducer 17 and the second locking plate 18, first speed reducer 11 passes through the first locking plate
15 connect with one end of drive roll 9, the other end is connect with the first hydraulic motor 12, and one end of second speed reducer 17 passes through the
Two locking plates 18 are connect with one end of driven voller 10, the other end is connect with the second hydraulic motor 16.
The power transmission route of precrushing equipment has two, wherein a power transmission line are as follows: the first hydraulic motor 12
Input, passes to transmission gear 8 through the first speed reducer 11, the first locking plate 15, drive roll 9；Another power transmission line are as follows: the
The input of two hydraulic motors 16, passes to transmission gear 8 through the second speed reducer 17, the second locking plate 18, driven voller 10.Two power pass
It passs route to be finally overlapped at transmission gear 8, ensure that the stabilization of 10 speed ratio of prebreaker drive roll 9 and driven voller.
The left box body 5 is fixedly connected with right case 6 using high-strength bolt.The main box tiltedly cuts open knot using 50-70 °
Structure.
The material pressing device 3 includes the dental lamina of a substrate and multiple upside-down triangle shapes, those dental laminas are fixed on the outer of substrate
Side.
Left box body 5 is connected by high-strength bolts with right case 6, constitutes the main box of crusher, and pan feeding sliding slot 1 is located at the right side
6 top of cabinet, bearing block 7 are welded on main box opposite sides, and drive roll 9 is fixed on bearing block 7 by bearing with driven voller 10
Interior, by 8 passing movement of shaft end gear, driven harrowing wheel 13 is welded on driven voller 10 at a certain distance for drive roll 9 and driven voller 10
On, active harrowing wheel 14 is staggered at a certain distance to be welded on drive roll 9, and the first speed reducer 11 is connected to 9 shaft end of drive roll, the
One hydraulic motor 12 drives the first speed reducer 11, and drive roll 9 is driven to rotate, and the second speed reducer 17 is connected to 10 shaft end of driven voller,
Second hydraulic motor 16 drives the first speed reducer 17, and driven voller 10 is driven to rotate.
The rotation of drive roll 9 drives the transmission gear 8 of shaft end to rotate, so that drive roll 9 and driven voller 10 press certain speed
Than uniform rotation, the movement of material pressing device 3 is controlled in rotation process by the feedback of oil liquid pressure, is formed to broken material
One action process.
When work, it will need to be placed in pan feeding sliding slot 1 by the material of precrushing, material slides into inside main box automatically, object
Material passes through first of the dental lamina of material pressing device 3, and driven voller 10 makees clockwise rotation and material is pressed into crusher chamber, and material passes through therewith
Cross second, third road dental lamina of material pressing device 3, the drive roll 9 and then rotated counterclockwise will break material again broken
The uniform sequential separation of the material of broken chamber, the material separated are fallen into discharge bucket 4.
When getting stuck in shattering process, the first hydraulic motor 12 and the second hydraulic motor 16 drive drive roll 9 clockwise
Rotation and driven voller 10 rotate counterclockwise, and the dental lamina of 3 tail portion of material pressing device is between the removing that gets stuck 9 active harrowing wheel of drive roll；It is main
Dynamic roller 9 rotates clockwise, and the dental lamina inside left box body 5 is between the removing that gets stuck 9 active harrowing wheel of drive roll.The removing that gets stuck terminates
Afterwards, the first hydraulic motor 12 and the reversion of the second hydraulic motor 16, continue broken work, and such primary fragmentation process terminates.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (6)
1. a kind of waste metal precrushing processing equipment, which is characterized in that it includes pan feeding sliding slot, by left box body and right case spelling
Main box, material pressing device made of connecing, binder oil cylinder, broken roller assembly, actuating unit, transmission gear and discharge bucket, institute
Stating broken roller assembly includes drive roll and driven voller；
The pan feeding sliding slot, which plugs, to be fixed at the top of the avris of right case, and the discharge bucket is fixed on the bottom of left box body, described
Material pressing device and broken roller assembly are placed in main box, and the material pressing device is located at the extension fragment position of pan feeding sliding slot, institute
It states binder oil cylinder to be fixed on main box, material pressing device, the phase of the main box is fixed on the output shaft of the binder oil cylinder
It is corresponding to the bearing block being respectively mounted on side there are two bearing block and on opposite flank, the drive roll and driven voller difference
It is fixed on the bearing block of opposite flank by bearing, multiple driven harrowing wheels is arranged on the driven voller, those driven harrowing wheels
It is alternately set on driven voller at a certain distance, multiple active harrowing wheels is arranged on the drive roll, those active harrowing wheels are pressed
One fixed spacing is alternately set on drive roll, and the active harrowing wheel and driven harrowing wheel are staggered, the drive roll and driven
One end of roller is mounted on actuating unit, and the drive roll is connected with the other end of driven voller by transmission gear.
2. waste metal precrushing processing equipment as described in claim 1, which is characterized in that the actuating unit includes
Slow down by first one end of first hydraulic motor, the first speed reducer, the second hydraulic motor and the second speed reducer, the drive roll
Machine is connected with the first hydraulic motor, and one end of the driven voller is connected with the second hydraulic motor by the second speed reducer.
3. waste metal precrushing processing equipment as claimed in claim 2, which is characterized in that the actuating unit also wraps
The first locking plate and the second locking plate are included, one end of first speed reducer is connected by one end of the first locking plate and drive roll
It connects, the other end is connect with the first hydraulic motor, one end that one end of second speed reducer passes through the second locking plate and driven voller
Connection, the other end are connect with the second hydraulic motor.
4. waste metal precrushing processing equipment as described in claim 1, which is characterized in that the main box uses 50-70 °
Tiltedly cut open structure.
5. waste metal precrushing processing equipment as described in claim 1, which is characterized in that the material pressing device includes a base
The dental lamina of plate and multiple upside-down triangle shapes, those dental laminas are fixed on the outside of substrate.
6. waste metal precrushing processing equipment as described in claim 1, which is characterized in that the left box body and right case are adopted
It is fixedly connected with high-strength bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022498.4A CN109675669A (en) | 2019-01-10 | 2019-01-10 | A kind of waste metal precrushing processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022498.4A CN109675669A (en) | 2019-01-10 | 2019-01-10 | A kind of waste metal precrushing processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109675669A true CN109675669A (en) | 2019-04-26 |
Family
ID=66192943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910022498.4A Pending CN109675669A (en) | 2019-01-10 | 2019-01-10 | A kind of waste metal precrushing processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109675669A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058421A (en) * | 2020-08-20 | 2020-12-11 | 中再生纽维尔资源回收设备（江苏）有限公司 | Crushing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0988354A (en) * | 1995-09-25 | 1997-03-31 | Jiyakutei Eng Kk | Drum crusher |
| CN201404820Y (en) * | 2009-04-02 | 2010-02-17 | 上海宝钢工业检测公司 | Double-drive opposite-roller crusher |
| CN103203259A (en) * | 2013-04-12 | 2013-07-17 | 中化镇江焦化有限公司 | Roller-type crusher |
| CN103495451A (en) * | 2013-08-26 | 2014-01-08 | 易普泰克机械设备(上海)有限公司 | Novel hydraulic double-roller crusher |
| CN105170228A (en) * | 2015-08-04 | 2015-12-23 | 北京航天动力研究所 | Double-tooth-roll crusher |
| CN206951295U (en) * | 2017-03-07 | 2018-02-02 | 江苏华宏科技股份有限公司 | Metal precrushing equipment |
| CN108435402A (en) * | 2018-06-12 | 2018-08-24 | 艾尔发智能科技股份有限公司 | A kind of automatic positive and negative rotation of pulverizer and overcurrent protection structure |
| CN209772221U (en) * | 2019-01-10 | 2019-12-13 | 江苏华宏科技股份有限公司 | Waste metal pre-crushing treatment equipment |
-
2019
- 2019-01-10 CN CN201910022498.4A patent/CN109675669A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0988354A (en) * | 1995-09-25 | 1997-03-31 | Jiyakutei Eng Kk | Drum crusher |
| CN201404820Y (en) * | 2009-04-02 | 2010-02-17 | 上海宝钢工业检测公司 | Double-drive opposite-roller crusher |
| CN103203259A (en) * | 2013-04-12 | 2013-07-17 | 中化镇江焦化有限公司 | Roller-type crusher |
| CN103495451A (en) * | 2013-08-26 | 2014-01-08 | 易普泰克机械设备(上海)有限公司 | Novel hydraulic double-roller crusher |
| CN105170228A (en) * | 2015-08-04 | 2015-12-23 | 北京航天动力研究所 | Double-tooth-roll crusher |
| CN206951295U (en) * | 2017-03-07 | 2018-02-02 | 江苏华宏科技股份有限公司 | Metal precrushing equipment |
| CN108435402A (en) * | 2018-06-12 | 2018-08-24 | 艾尔发智能科技股份有限公司 | A kind of automatic positive and negative rotation of pulverizer and overcurrent protection structure |
| CN209772221U (en) * | 2019-01-10 | 2019-12-13 | 江苏华宏科技股份有限公司 | Waste metal pre-crushing treatment equipment |
Non-Patent Citations (1)
| Title |
|---|
| 西北建筑设计院: "国外烧结建筑制品进展 第3辑", vol. 1, 30 September 1981, 中国建筑工业出版社, pages: 50 - 51 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058421A (en) * | 2020-08-20 | 2020-12-11 | 中再生纽维尔资源回收设备（江苏）有限公司 | Crushing device |
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