CN208960092U - Crushing device for building waste - Google Patents
Crushing device for building waste Download PDFInfo
- Publication number
- CN208960092U CN208960092U CN201821217784.3U CN201821217784U CN208960092U CN 208960092 U CN208960092 U CN 208960092U CN 201821217784 U CN201821217784 U CN 201821217784U CN 208960092 U CN208960092 U CN 208960092U
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- Prior art keywords
- casing
- wheel
- building waste
- pressure roller
- driving
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- 239000002699 waste material Substances 0.000 title claims abstract description 58
- 238000005119 centrifugation Methods 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 36
- 238000010276 construction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 239000007787 solid Substances 0.000 description 13
- 239000012535 impurity Substances 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000011456 concrete brick Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses a kind of crushing devices for building waste, belong to building waste processing equipment technical field；The main points of its technical scheme are that include casing and roller pair breaking mechanism, roller pair breaking mechanism include two be located at casing internal and in the horizontal direction with casing rotation connection breaker roll and driving breaker roll rotated towards each other to roller driving assembly；It is provided with centrifugal bump mechanism above roller pair breaking mechanism, centrifugal bump mechanism includes the centrifugation driving assembly that centrifugal wheel in vertical direction and casing rotation connection and driving centrifugal wheel are rotated；The material-dropping hole through upper wheel face is provided on the upper wheel face of centrifugal wheel；It is stuck and cause roller tooth there is a situation where destroy to solve the problems, such as to be easy to produce breaker roll when existing construction waste crushing device is crushed by breaker roll；It is broken that it first carries out centrifugal bump to building waste, can reduce that breaker roll is stuck and cause roller tooth there is a situation where destroying, and crushing effect is more excellent.
Description
Technical field
It is more particularly, to a kind of for building waste the utility model relates to building waste processing equipment technical field
Crushing device.
Background technique
Building waste refers to that construction, unit in charge of construction or individual build all kinds of buildings, structures, pipe network etc., spread
If or removing, generated dregs, spoir, rejected material, mud and other wastes in reparative processes.By the coagulation in building waste
The materials such as soil block and brick are crushed, and then carry out raw material addition, and then can be fabricated to the building materials such as concrete brick.It adopts
Building waste can be re-utilized by carrying out brickmaking with building waste, improved the utilization rate of resource, met sustainable development
The requirement of exhibition.
When being crushed to objects such as building wastes, usually using roller pair breaking mechanism, roller pair breaking mechanism includes two
A breaker roll rotated towards each other is provided with roller tooth on breaker roll, and the fixation such as building waste is added between two breaker rolls, is passed through
Two breaker rolls rotate towards each other, and then the solid that will be added between two breaker rolls is crushed.But in the building waste of addition
In often there is the biggish solid block of some volumes, these solid blocks are added between two breaker rolls, and it is broken often to will cause two
Roller is stuck, can not continue rotation and be crushed, or the damage of gear hobbing is caused to influence subsequent crushing effect.
Application publication number is that the Chinese invention patent application file of CN107837936A discloses one kind for recycling building
The crushing device of rubbish, including body, material receiving port and to be successively arranged primary breakup mechanism and second level from top to bottom in body broken
Broken mechanism, primary breakup mechanism includes toroidal shell and is set to intracorporal first breaker roll of circular casing and the second breaker roll, annular
Shell is equipped with the first filter hole；Two-stage crushing mechanism includes the first rotary cylinder and second being oppositely arranged on body inner wall
Rotary cylinder, and the first crushing Jaw plate connecting respectively with the first rotary cylinder and the second rotary cylinder and second crush Hubei Province
Plate；And the lower end of body is equipped with discharge port.
The above-mentioned crushing device primary breakup mechanism for recycling building waste is broken using the first breaker roll and second
There are the biggish solid blocks of some volumes to the conscientious attrition crushing of the building waste for falling into its gap, but in the building waste for roller
When, these solid blocks are added between two breaker rolls, and it is stuck often to will cause two breaker rolls, and it is broken to continue rotation,
Or the damage of gear hobbing is caused to influence subsequent crushing effect.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of for the broken of building waste
Device first carries out centrifugal bump to building waste and is crushed, is then further crushed, can be reduced broken by breaker roll again
Roller is stuck and causes roller tooth there is a situation where destroying, and crushing effect is more excellent.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of for building waste
Crushing device, including casing and roller pair breaking mechanism, the roller pair breaking mechanism include two be located at casing internal and
In the horizontal direction with casing rotation connection breaker roll and driving breaker roll rotated towards each other to roller driving assembly, casing
Upper and lower part be respectively arranged with inlet port and outlet port；Centrifugal bump machine is provided with above the roller pair breaking mechanism
Structure, the centrifugal bump mechanism include that the centrifugal wheel being rotatablely connected with casing in vertical direction and driving centrifugal wheel are rotated
Centrifugation driving assembly；The centrifugal wheel includes upper wheel face, lower wheel face and the wheel that will be fixed respectively with upper wheel face and lower wheel face
Leaf is provided with the material-dropping hole through upper wheel face on the upper wheel face.
Through the above technical solutions, building waste is added to casing internal by feed inlet, centrifugal wheel is fallen to by material-dropping hole
On, logical centrifugation driving assembly driving centrifugal wheel is rotated, and then the building waste on centrifugal wheel is carried out centrifugation and is thrown away, and is built
Rubbish collides with inner walls, and then by biggish construction waste crushing at lesser bulk, then opposite by lower section two
The breaker roll of rotation further crushes it；Building waste is directly carried out brokenly using roller pair breaking mechanism so as to reduce
It is broken, it makes stuck or phenomena such as damaging is generated to breaker roll.
Preferably, the casing internal is from being provided with from feed inlet to the conical surface of material-dropping hole guide.
Through the above technical solutions, by casing internal from being provided with from feed inlet to the conical surface of material-dropping hole guide, thus
Facilitate and is poured into building waste on broken wheel by feed inlet.
Preferably, rolling mechanism is arranged in the lower section of the breaker roll；The rolling mechanism includes being fixedly connected with casing
Arc panel and it is arranged in above arc panel to carrying out the broken rolling of rolling to falling to material on arc panel above arc panel
Component；The material path through arc panel is provided on the arc panel.
Through the above technical solutions, rolling mechanism is arranged in the lower section of breaker roll；Rolling mechanism includes being fixedly connected with casing
Arc panel and be arranged in above arc panel to carrying out the broken rolling of rolling to falling to material on arc panel above arc panel
Component is pressed, the material path through arc panel is provided on arc panel；By the broken material of breaker roll on falling to arc panel,
Automatically it is gathered in the bottom of arc panel, by rolling component to being rolled repeatedly to falling to material on arc panel, until general
Material is broken into the qualified solid particle of granular size, and then fixed particle can pass through from material path.
Preferably, it is described rolling component include in the horizontal direction with casing rotation connection pressure roller and driving pressure roller into
The pressure roller motor of row rotation；The pressure roller motor is horizontally fixed on casing, and the output shaft and pressure roller of the pressure roller motor are coaxial
It is fixedly connected.
Through the above technical solutions, rolling component includes the pressure roller being rotatablely connected in the horizontal direction with casing and driving
The pressure roller motor that pressure roller is rotated；Pressure roller motor is horizontally fixed on casing, and the output shaft and pressure roller of pressure roller motor are coaxially solid
Fixed connection；Horizontally rotated by pressure roller motor driven pinch roller, and then it is broken to carry out rolling to the material on arc panel.
Preferably, flexible rolling portion is arranged on the circumferential surface of the pressure roller, length side is fixed in the elasticity rolling portion
To the connecting spring along pressure roller radial direction, the other end of the connecting spring is fixedly connected with pressure roller.
Through the above technical solutions, flexible rolling portion is arranged on the circumferential surface of pressure roller, length is fixed in elastic rolling portion
Along the connecting spring of pressure roller radial direction, the other end of connecting spring is fixedly connected with pressure roller in direction；Under the centrifugal force of pressure roller rotation,
Elastic rolling portion is thrown away along the radial direction of pressure roller, and then is carried out elasticity rolling to the material on arc panel and be crushed, thus to arc panel
On material play better crushing effect.
Preferably, being fixed on the top casing inner wall of two breaker rolls by two sides towards leading diagonally downward between two breaker rolls
Flitch.
Inclined by two sides towards between two breaker rolls through the above technical solutions, being fixed on the top casing inner wall of two breaker rolls
Stock guide obliquely；It will be collected from the broken material of centrifugal bump mechanism between two breaker rolls by guide plate,
And then preferably material is further crushed by two breaker rolls.
Preferably, being provided with electromagnetism strainer below the arc panel.
Through the above technical solutions, electromagnetism strainer is provided with below arc panel, by electromagnetism strainer to broken rear material
Middle iron impurities are adsorbed, to reduce the content of the iron impurities in the solid particle of construction waste crushing generation.
Preferably, the upper surface of the centrifugal wheel is fixed with and the co-axially fixed hollow shaft of centrifugal wheel；The centrifugation driving
Component includes the driving motor being fixed on casing vertically, the driving wheel being fixedly and coaxially connected with driving motor output shaft and sky
The driving band of driven wheel and connection driving wheel and driven wheel that mandrel is fixedly and coaxially connected.
Through the above technical solutions, driving motor drive driving wheel rotated, by drive band transmit motion to from
Driving wheel, and then drive centrifugal wheel to be rotated by driven wheel.
In conclusion the utility model has the following beneficial effects:
1. building waste is added to casing internal by feed inlet, fallen on centrifugal wheel by material-dropping hole, leads to centrifugation driving group
Part driving centrifugal wheel is rotated, and then the building waste of centrifugal wheel is carried out centrifugation and is thrown away, and building waste and casing inner wall are sent out
Raw collision, and then by biggish construction waste crushing at lesser bulk, then the breaker roll rotated towards each other by lower section two is to it
Further crush；Building waste is directly crushed using roller pair breaking mechanism so as to reduce, is made stuck or to broken
Broken roller generates phenomena such as damage；
2. by the cooperation of arc panel and pressure roller, and elastic rolling portion is arranged on pressure roller, to dropping down on arc panel
Material carries out rolling repeatedly until granular size is qualified, so as to efficiently be crushed to building waste；
3. being provided with electromagnetism strainer below arc panel, iron impurities in broken rear material are carried out by electromagnetism strainer
Absorption, to reduce the content of the iron impurities in the solid particle of construction waste crushing generation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the crushing device for building waste；
Fig. 2 is the three dimensional sectional view of the crushing device for building waste；
Fig. 3 is the structural schematic diagram of centrifugal bump mechanism；
Fig. 4 is the structural schematic diagram of rolling mechanism.
Appended drawing reference: 1, casing；11, feed inlet；12, discharge port；13, the conical surface；14, stock guide；2, roller pair breaking mechanism；
21, breaker roll；22, to roller driving assembly；221, the broken motor of roller；222, gear is driven；3, centrifugal bump mechanism；31, centrifugal wheel；
311, upper wheel face, 312, lower wheel face；313, wheel blade；314, material-dropping hole；315, hollow shaft；32, it is centrifuged driving assembly；321, it drives
Motor；322, driving wheel；323, driven wheel；324, band is driven；4, rolling mechanism；41, arc panel；411, material path；42, it rolls
Component；421, pressure roller；422, pressure roller motor；423, elastic rolling portion；424, connecting spring；5, electromagnetism strainer.
Specific embodiment
Embodiment: one kind being used for construction waste crushing device, referring to Figures 1 and 2, including casing 1 and double-roll crusher
Structure 2.The upper and lower part of casing 1 is respectively arranged with feed inlet 11 and discharge port 12.Roller pair breaking mechanism 2 includes two breaker rolls
21 and driving breaker roll 21 rotated towards each other to roller driving assembly 22, two breaker rolls 21 be located inside casing 1 and
It is rotatablely connected in the horizontal direction with casing 1.The roller for including the one end for being located in one of breaker roll 21 to roller driving assembly 22 is broken
Motor 221.The broken motor 221 of roller is horizontally fixed on casing 1, output shaft and the coaxial fixed company of breaker roll 21 of the broken motor 221 of roller
It connects.The shaft end of two breaker rolls 21 is respectively fixed with the driving gear 222 being coaxially fixedly connected, two driving gears 222
Intermeshing.Breaker roll 21 is driven to be rotated towards each other by the broken motor 221 of roller, and then broken to dropping into two using breaker roll 21
Building waste between broken roller 21 is crushed.
Referring to Fig. 2 and Fig. 3, the top of roller pair breaking mechanism 2 is provided with centrifugal bump mechanism 3, and centrifugal bump mechanism 3 includes
In the centrifugation driving assembly 32 that the centrifugal wheel 31 and driving centrifugal wheel 31 of vertical direction and the rotation connection of casing 1 are rotated.
Centrifugal wheel 31 includes upper wheel face 311, lower wheel face 312 and the wheel blade 313 that will be fixed respectively with upper wheel face 311 and lower wheel face 312,
The material-dropping hole 314 through upper wheel face 311 is provided on the upper wheel face 311.The upper wheel face 311 of centrifugal wheel 31 is fixed with and is centrifuged
Take turns 31 co-axially fixed hollow shafts 315；It is described centrifugation driving assembly 32 include be fixed on casing 1 vertically driving motor 321,
The driving wheel 322 being fixedly and coaxially connected with 321 output shaft of driving motor, the driven wheel 323 being fixedly and coaxially connected with hollow shaft 315
And the driving band 324 of connection driving wheel 322 and driven wheel 323.Building waste will be added in casing 1 by feed inlet 11
Portion, building waste are fallen on centrifugal wheel 31 by material-dropping hole 314.Driving wheel 322 is driven to be rotated by driving motor 321,
And then by driving band 324 and driven wheel 323 drive centrifugal wheel 31 rotate, and then by the building waste on centrifugal wheel 31 carry out from
The heart is thrown away, and building waste collides with 1 inner wall of casing, thus by biggish construction waste crushing at lesser bulk.Casing 1
Inside is from being provided with from feed inlet 11 to the conical surface 13 of 314 guide of material-dropping hole.By inside casing 1 by being provided with by feed inlet 11
To the conical surface 13 of 314 guide of material-dropping hole, building waste is poured on broken wheel by feed inlet 11 to facilitate.
It is further fixed on 1 inner wall of top casing of two breaker rolls 21 by two sides towards leading diagonally downward between two breaker rolls 21
Flitch 14.It will be collected from the broken material of centrifugal bump mechanism 3 between two breaker rolls 21 by guide plate, Jin Ergeng
Good is further crushed material by two breaker rolls 21.
Referring to Fig. 2 and Fig. 4, rolling mechanism 4 is arranged in the lower section of breaker roll 21.Rolling mechanism 4 includes being fixedly connected with casing 1
Arc panel 41 and be arranged above arc panel 41 to rolling above arc panel 41 to falling to material on arc panel 41
Broken rolling component 42.The material path 411 through arc panel 41 is provided on arc panel 41.Rolling component 42 is included in level
The pressure roller motor 422 that the pressure roller 421 and driving pressure roller 421 being rotatablely connected on direction with casing 1 are rotated；Pressure roller motor
422 are horizontally fixed on casing 1, and output shaft and the pressure roller 421 of pressure roller motor 422 are fixedly and coaxially connected.
Flexible rolling portion 423 is set on the circumferential surface of pressure roller 421, length direction is fixed in elastic rolling portion 423 along pressure
The radial connecting spring 424 of roller 421, the other end of connecting spring 424 are fixedly connected with pressure roller 421.Pressure roller 421 rotate from
Under mental and physical efforts, elastic rolling portion 423 is thrown away along the radial direction of pressure roller 421, and then it is broken to carry out elasticity rolling to the material on arc panel 41
It is broken, to play better crushing effect to the material on arc panel 41.
Referring to Fig. 2, the lower section of arc panel 41 is provided with electromagnetism strainer 5.Electromagnetism strainer 5 has magnetism being capable of irony after being powered
Impurity is adsorbed.Iron impurities in broken rear material are adsorbed by electromagnetism strainer 5, to reduce construction waste crushing
The content of iron impurities in the solid particle of generation.
Concrete operations mode is as follows:
Building waste is added to inside casing 1 from feed inlet 11, building waste falls on centrifugal wheel 31 by material-dropping hole 314
On.Building waste is thrown out of on the inner wall for colliding casing 1 in the case where centrifugal wheel 31 rotates centrifugal action west, and then to biggish piece
Shape subtracts building waste and is crushed, and broken material is fallen downwards to be entered between two breaker rolls 21 along stock guide 14.In roller
Under the action of broken motor 221 and driving gear 222, two breaker rolls 21 are rotated towards each other, and then to falling to two breaker rolls 21
Between material further progress it is broken.Fall on arc panel 41 under broken material by cuing open broken roller.Pressure roller motor 422
Driving pressure roller 421 rotated, under the action of the centrifugal force of the rotation of pressure roller 421, elastic rolling portion 423 along pressure roller 421 into
Row is thrown away outward, and then it is broken to carry out elasticity rolling to the material on arc panel 41.Due to the style characteristic of arc panel 41, material
It can be collected from 41 lowest part of trend arc panel, and then to carry out rolling broken for material of the pressure roller 421 repeatedly on arc panel 41.?
The solid particle of grain size qualification passes through blanking by the punishment in advance on arc panel 41.Electromagnetism strainer 5 has magnetism, Jin Ertong after being powered
Electromagnetism strainer 5 is crossed to adsorb the iron impurities in the solid particle of broken formation.Remove iron impurities solid particle from
Discharge port 12 is discharged.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of crushing device for building waste, including casing (1) and roller pair breaking mechanism (2), the roller pair breaking
Mechanism (2) include two be located at casing (1) it is internal and in the horizontal direction with the breaker rolls (21) of casing (1) rotation connection and
Driving breaker roll (21) rotated towards each other to roller driving assembly (22), the upper and lower part of casing (1) be respectively arranged with into
Material mouth (11) and discharge port (12)；It is characterized by: being provided with centrifugal bump mechanism above the roller pair breaking mechanism (2)
(3), the centrifugal bump mechanism (3) be included in vertical direction and casing (1) rotation connection centrifugal wheel (31) and drive from
The centrifugation driving assembly (32) that heart wheel (31) is rotated；The centrifugal wheel (31) includes upper wheel face (311), lower wheel face (312)
And will the wheel blade (313) fixed with upper wheel face (311) and lower wheel face (312) respectively, be provided on the upper wheel face (311) and pass through
Put on the material-dropping hole (314) of wheel face (311).
2. the crushing device according to claim 1 for building waste, it is characterised in that: the casing (1) it is internal by
It is provided with from feed inlet (11) to the conical surface (13) of material-dropping hole (314) guide.
3. the crushing device according to claim 1 for building waste, it is characterised in that: under the breaker roll (21)
Side's setting rolling mechanism (4)；The rolling mechanism (4) includes that the arc panel (41) being fixedly connected with casing (1) and setting exist
The broken rolling component of rolling is carried out to material on arc panel (41) is fallen to arc panel (41) top above arc panel (41)
(42)；The material path (411) through arc panel (41) is provided on the arc panel (41).
4. the crushing device according to claim 3 for building waste, it is characterised in that: rolling component (42) packet
Include the pressure roller motor rotated in the horizontal direction with the pressure roller (421) of casing (1) rotation connection and driving pressure roller (421)
(422)；The pressure roller motor (422) is horizontally fixed on casing (1), the output shaft and pressure roller of the pressure roller motor (422)
(421) it is fixedly and coaxially connected.
5. the crushing device according to claim 4 for building waste, it is characterised in that: the week of the pressure roller (421)
Flexible rolling portion (423) is set on face, and it is radial along pressure roller (421) to be fixed with length direction on the elasticity rolling portion (423)
Connecting spring (424), the other end of the connecting spring (424) is fixedly connected with pressure roller (421).
6. the crushing device according to claim 1 for building waste, it is characterised in that: the top of two breaker rolls (21)
It is fixed on casing (1) inner wall by two sides towards the stock guide (14) between two breaker rolls (21) diagonally downward.
7. the crushing device according to claim 3 for building waste, it is characterised in that: under the arc panel (41)
Side is provided with electromagnetism strainer (5).
8. the crushing device according to claim 1 for building waste, it is characterised in that: the centrifugal wheel (31) it is upper
Wheel face (311) is fixed with and centrifugal wheel (31) co-axially fixed hollow shaft (315)；The centrifugation driving assembly (32) includes vertical
The driving motor (321) being fixed on casing (1), the driving wheel being fixedly and coaxially connected with driving motor (321) output shaft
(322), the driven wheel (323) that is fixedly and coaxially connected with hollow shaft (315) and driving wheel (322) and driven wheel (323) are connect
Driving band (324).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821217784.3U CN208960092U (en) | 2018-07-30 | 2018-07-30 | Crushing device for building waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821217784.3U CN208960092U (en) | 2018-07-30 | 2018-07-30 | Crushing device for building waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208960092U true CN208960092U (en) | 2019-06-11 |
Family
ID=66749335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821217784.3U Expired - Fee Related CN208960092U (en) | 2018-07-30 | 2018-07-30 | Crushing device for building waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208960092U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961192A (en) * | 2019-12-24 | 2020-04-07 | 广东电网有限责任公司 | Synchronous single-transmission roller press for electric coal crushing in thermal power station |
| CN111530544A (en) * | 2020-05-11 | 2020-08-14 | 通州建总集团有限公司 | External auxiliary structure of high-rise building rubbish passageway |
| CN114986665A (en) * | 2022-06-06 | 2022-09-02 | 黑龙江省堃华建筑工程有限公司 | Forming equipment for flame-retardant gypsum building blocks |
| CN115301372A (en) * | 2022-08-23 | 2022-11-08 | 黑龙江方科汉麻生物科技有限公司 | Hemp oil extraction device and method |
| CN117583358A (en) * | 2024-01-08 | 2024-02-23 | 山东上元再生资源有限公司 | Scrap iron wire recycling device for building |
-
2018
- 2018-07-30 CN CN201821217784.3U patent/CN208960092U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961192A (en) * | 2019-12-24 | 2020-04-07 | 广东电网有限责任公司 | Synchronous single-transmission roller press for electric coal crushing in thermal power station |
| CN110961192B (en) * | 2019-12-24 | 2021-11-12 | 广东电网有限责任公司 | Synchronous single-transmission roller press for electric coal crushing in thermal power station |
| CN111530544A (en) * | 2020-05-11 | 2020-08-14 | 通州建总集团有限公司 | External auxiliary structure of high-rise building rubbish passageway |
| CN114986665A (en) * | 2022-06-06 | 2022-09-02 | 黑龙江省堃华建筑工程有限公司 | Forming equipment for flame-retardant gypsum building blocks |
| CN114986665B (en) * | 2022-06-06 | 2024-01-02 | 北京益远建业加气建材有限公司 | Forming equipment for flame-retardant gypsum building blocks |
| CN115301372A (en) * | 2022-08-23 | 2022-11-08 | 黑龙江方科汉麻生物科技有限公司 | Hemp oil extraction device and method |
| CN117583358A (en) * | 2024-01-08 | 2024-02-23 | 山东上元再生资源有限公司 | Scrap iron wire recycling device for building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 |