CN112058361A - Building rubbish breaker that building engineering used - Google Patents
Building rubbish breaker that building engineering used Download PDFInfo
- Publication number
- CN112058361A CN112058361A CN202010907693.8A CN202010907693A CN112058361A CN 112058361 A CN112058361 A CN 112058361A CN 202010907693 A CN202010907693 A CN 202010907693A CN 112058361 A CN112058361 A CN 112058361A
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- China
- Prior art keywords
- crushing
- crushing box
- feed
- broken
- gear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/14—Stamping mills
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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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- 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
- 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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a construction waste crushing device for construction engineering, which belongs to the technical field of construction waste treatment and comprises a crushing box, wherein the bottom of the crushing box is provided with a feed inlet, the position of the crushing box at the feed inlet is provided with a feed hopper, the bottom of the crushing box is provided with a discharge outlet, the feed inlet and the feed hopper are provided with two feed inlets, the two feed inlets and the two feed hoppers are symmetrically distributed, a primary crushing channel is arranged below the two feed inlets of the crushing box, a half gear is arranged in the crushing box, the half gear is rotatably connected with the crushing box through a rotating shaft, the outer side of the half gear is provided with a pushing frame, the upper part and the lower part of the inner side of the pushing frame are provided with teeth corresponding to the half gear, and two sides of the pushing frame are provided with pushing rods; according to the invention, the crushing plate is matched with the crushing roller, so that the crushing effect of the construction waste is better.
Description
Technical Field
The invention relates to the technical field of construction waste treatment, in particular to a construction waste crushing device for constructional engineering.
Background
The construction waste refers to residue, waste soil, waste material, sludge and other wastes generated in the process of constructing, laying or dismantling and repairing various buildings, structures, pipe networks and the like by construction and construction units or individuals.
Building rubbish need carry out multiple processing to it when handling the recovery, at first need carry out the breakage to it, and the breaker among the prior art is poor to its grinding effect and handles processing comparatively troublesome at the later stage.
Disclosure of Invention
Technical problem to be solved
The invention aims to overcome the defects in the prior art and provides a construction waste crushing device for construction engineering.
(II) technical scheme
A construction waste crushing device for construction engineering comprises a crushing box, wherein a feed inlet is formed in the bottom of the crushing box, a feed hopper is arranged at the position, located at the feed inlet, of the crushing box, a discharge outlet is formed in the bottom of the crushing box, two feed inlets and two feed hoppers are arranged, a primary crushing channel is arranged below the two feed inlets of the crushing box, a half gear is arranged in the crushing box and is rotatably connected with the crushing box through a rotating shaft, a pushing frame is arranged on the outer side of the half gear, teeth corresponding to the half gear are arranged on the upper side and the lower side of the inner side of the pushing frame, pushing rods are arranged on the two sides of the pushing frame, crushing plates are arranged at the positions, far away from each other, of the two pushing rods, and are located at the crushing channel, the crushing incasement is provided with the broken passageway of second grade, the broken passageway of one-level with be provided with the filter screen between the broken passageway of secondary, the broken passageway department of second grade is provided with two crushing rollers that are symmetric distribution, two the crushing roller respectively through the center pin with broken case rotates to be connected, two the bottom of crushing roller is provided with discharging channel, discharging channel department is provided with the water conservancy diversion pole, the water conservancy diversion pole the axis of rotation and two the center pin passes through the synchronous rotation of driving medium.
Further, the driving medium includes driving gear, driven gear, two broken gears, two drive belts and driving motor, driving motor sets up one side of broken roller, driving motor's output with water conservancy diversion pole fixed connection, the driving gear cover is established the outside of water conservancy diversion pole, the driving gear with driven gear meshes, driven gear's one end fixedly connected with dwang, the dwang pass through the connecting rod with broken case rotates and connects, the water conservancy diversion pole the axis of rotation with the center pin rotates through a drive belt is synchronous, dwang and one of them the center pin rotates through another drive belt is synchronous, two broken gear overlaps respectively to be established two the outside of center pin, two broken gear meshes mutually.
Further, the guide rod penetrates through the middle of the crushing box, and the discharge channel is arranged on two sides below the crushing roller.
Further, the shape of one-level broken passageway is hopper-shaped, the broken passageway of second grade is the slope form, the bottom in the broken passageway of second grade is located two top between the crushing roller.
Furthermore, two the feeding board through the pivot with broken case is rotated and is connected, two the pivot is located and is close to broken case central point puts the department.
Furthermore, the surface of the crushing plate is provided with a convex block, the crushing box is also provided with a crushing block matched with the convex block at a position corresponding to the crushing plate, and the bottom of the crushing plate is provided with a guide plate which is obliquely arranged.
(III) advantageous effects
The invention provides a construction waste crushing device for construction engineering, which has the following advantages:
according to the invention, the construction waste is crushed in a primary crushing mode by adopting a pressing crushing mode, the construction waste is crushed under the interaction of the crushing plates on two sides under the action of the half gear and the pushing frame, and the construction waste can be leaked and stored from the filter screen only when the size of the construction waste reaches the corresponding size, so that the crushing effect is better compared with that in the prior art.
2, according to the invention, after primary crushing, secondary crushing is realized through the matching of the two crushing rollers, and the two crushing rollers rotate oppositely under the action of the crushing gear, so that the crushing effect is better, and meanwhile, after the primary crushing, the secondary crushing can crush the materials into smaller size, so that the later-stage treatment is more convenient on the whole.
3, the guide rod is arranged at the discharging position, and the crushed garbage can be guided to a certain extent by the rotation of the guide rod, so that the crushed construction garbage can be discharged more quickly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the present invention and protect some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
fig. 3 is a top view of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-crushing box, 2-feeding port, 3-feeding hopper, 4-primary crushing channel, 5-half gear, 6-pushing frame, 7-pushing rod, 8-crushing plate, 9-secondary crushing channel, 10-filter screen, 11-crushing roller, 12-central shaft, 13-discharging channel, 14-guide rod, 15-rotating shaft, 16-driving part, 17-driving gear, 18-driven gear, 19-crushing gear, 20-driving belt, 21-driving motor and 22-rotating rod.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a construction waste crushing device for construction engineering comprises a crushing box 1, wherein a feed inlet 2 is formed in the bottom of the crushing box 1, a feed hopper 3 is arranged at the position, located at the feed inlet 2, of the crushing box 1, a discharge outlet is formed in the bottom of the crushing box 1, two feed inlets 2 and two feed hoppers 3 are arranged, the two feed inlets 2 and the two feed hoppers 3 are symmetrically distributed, a primary crushing channel 4 is arranged below the two feed inlets 2 of the crushing box 1, a half gear 5 is arranged in the crushing box 1, the half gear 5 is rotatably connected with the crushing box 1 through a rotating shaft 15, a pushing frame 6 is arranged on the outer side of the half gear 5, teeth corresponding to the half gear 5 are arranged on the upper side and the lower side of the inner side of the pushing frame 6, pushing rods 7 are arranged on two sides of the pushing frame 6, crushing plates 8 are arranged at positions, far away from each other, the crushing plates 8 are located, be provided with filter screen 10 between one-level broken passageway 4 and the broken passageway of secondary, the broken passageway 9 department of secondary is provided with two crushing rollers 11 that are symmetric distribution, and two crushing rollers 11 rotate with broken case 1 through center pin 12 respectively and are connected, and the bottom of two crushing rollers 11 is provided with discharging channel 13, and discharging channel 13 department is provided with water conservancy diversion pole 14, and water conservancy diversion pole 14, axis of rotation 15 rotate through driving medium 16 with two center pins 12 in step.
The driving medium 16 includes a driving gear 17, a driven gear 18, two broken gears 19, two transmission belts 20 and a driving motor 21, the driving motor 21 is disposed on one side of the crushing roller 11, the output end of the driving motor 21 is fixedly connected with the diversion pole 14, the driving gear 17 is sleeved on the outer side of the diversion pole 14, the driving gear 17 is engaged with the driven gear 18, one end of the driven gear 18 is fixedly connected with a rotating rod 22, the rotating rod 22 is rotatably connected with the crushing box 1 through a connecting rod, the diversion pole 14, the rotating shaft 15 and the central shaft 12 are synchronously rotated through one transmission belt 20, the rotating rod 22 and one of the central shafts 12 are synchronously rotated through another transmission belt 20, the two broken gears 19 are respectively sleeved on the outer sides of the two central shafts 12.
The guide rod 14 penetrates through the middle part of the crushing box 1, and the discharge channel 13 is arranged at two sides below the crushing roller 11.
The primary crushing channel 4 is funnel-shaped, the secondary crushing channel 9 is inclined, and the bottom of the secondary crushing channel 9 is positioned above the space between the two crushing rollers 11.
Two feeding plates are rotatably connected with the crushing box 1 through rotating shafts, and the two rotating shafts are positioned at the position close to the center of the crushing box 1.
The surface of the crushing plate 8 is provided with a convex block, the crushing box 1 is also provided with a crushing block matched with the convex block at the position corresponding to the crushing plate 8, and the bottom of the crushing plate 8 is provided with a guide plate which is arranged in an inclined way.
One specific application of this embodiment is:
when the crushing device is used, construction waste is poured into the crushing box 1 through the feed hopper 3, the driving motor 21 runs, the driving motor 21 drives the guide rod 14 to rotate, the guide rod 14 drives the driving gear 17 to rotate when rotating, the driving gear 17 drives the driven gear 18 to rotate when rotating, the driven gear 18 drives the rotating rod 22 to rotate when rotating, the rotating rod 22 drives the central shaft 12 and the rotating shaft 15 to rotate through the driving belt 20 when rotating, the rotating shaft 15 drives the half gear 5 to rotate, the central shaft 12 drives the crushing gears 19 to rotate, one crushing gear 19 acts on the other crushing gear 19 to drive the other crushing gear 19 to rotate, the two crushing gears 19 rotate in opposite directions, thereby driving the two crushing rollers 11 to rotate in opposite directions, the best crushing effect can be achieved, and the half gear 5 drives the bottom teeth of the pushing frame 6 to move rightwards when interacting with the teeth when rotating, from this drive the crushing shell 8 and remove right, from this make it carry out the breakage to rubbish, half gear 5 drives when promoting the tooth interact of frame 6 top one side and promotes frame 6 and take place to rotate left, it comes the building rubbish of the left and right sides to carry out horizontal reciprocating motion to promote frame 6 from this, when its broken certain degree to, building rubbish enters into the broken passageway 9 of second grade through filter screen 10, carry out the secondary crushing through crushing roller 11, reach better crushing effect from this, it is better through 11 crushing effects of crushing roller simultaneously, accomplish the ejection of compact through discharge gate through discharging channel 13 through guide bar 14.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a building rubbish breaker that building engineering used, includes broken case (1), feed inlet (2) have been seted up to the bottom of broken case (1), broken case (1) is located the position department of feed inlet (2) is provided with feeder hopper (3), the bottom of broken case (1) is provided with discharge gate, its characterized in that: the two feed inlets (2) and the two feed hoppers (3) are symmetrically distributed, the two feed inlets (2) and the two feed hoppers (3) are positioned below the two feed inlets (2), a half gear (5) is arranged in the crushing box (1), the half gear (5) is rotatably connected with the crushing box (1) through a rotating shaft (15), a pushing frame (6) is arranged on the outer side of the half gear (5), teeth corresponding to the half gear (5) are arranged on the upper side and the lower side of the inner side of the pushing frame (6), pushing rods (7) are arranged on the two sides of the pushing frame (6), crushing plates (8) are arranged at positions where the two pushing rods (7) are far away from each other, the crushing plates (8) are positioned at the crushing channel, and a second-stage crushing channel (9) is arranged in the crushing box (1), one-level broken passageway (4) with be provided with filter screen (10) between the secondary crushing passageway, the broken passageway of second grade (9) department is provided with two crushing rollers (11) that are symmetric distribution, two crushing roller (11) respectively through center pin (12) with broken case (1) rotates to be connected, two the bottom of crushing roller (11) is provided with discharging channel (13), discharging channel (13) department is provided with water conservancy diversion pole (14), water conservancy diversion pole (14) axis of rotation (15) and two center pin (12) are through driving medium (16) synchronous rotation.
2. The construction waste crushing device for construction engineering according to claim 1, wherein: the transmission part (16) comprises a driving gear (17), a driven gear (18), two crushing gears (19), two transmission belts (20) and a driving motor (21), the driving motor (21) is arranged on one side of the crushing roller (11), the output end of the driving motor (21) is fixedly connected with the guide rod (14), the driving gear (17) is sleeved on the outer side of the guide rod (14), the driving gear (17) is meshed with the driven gear (18), one end of the driven gear (18) is fixedly connected with a rotating rod (22), the rotating rod (22) is rotatably connected with the crushing box (1) through a connecting rod, the guide rod (14), the rotating shaft (15) and the central shaft (12) are synchronously rotated through one transmission belt (20), the rotating rod (22) and one of the central shaft (12) are synchronously rotated through the other transmission belt (20), the two crushing gears (19) are respectively sleeved on the outer sides of the two central shafts (12), and the two crushing gears (19) are meshed with each other.
3. The construction waste crushing device for construction engineering according to claim 1, wherein: the guide rod (14) penetrates through the middle part of the crushing box (1), and the discharge channel (13) is arranged on two sides below the crushing roller (11).
4. The construction waste crushing device for construction engineering according to claim 1, wherein: the shape of one-level broken passageway (4) is hourglass hopper-shaped, the broken passageway of second grade (9) are the slope form, the bottom of the broken passageway of second grade (9) is located two top between crushing roller (11).
5. The construction waste crushing device for construction engineering according to claim 1, wherein: the two feeding plates are rotatably connected with the crushing box (1) through rotating shafts, and the two rotating shafts are located close to the center of the crushing box (1).
6. The construction waste crushing device for construction engineering according to claim 1, wherein: the surface of the crushing plate (8) is provided with a convex block, the crushing box (1) and the position corresponding to the crushing plate (8) are also provided with a crushing block matched with the convex block, and the bottom of the crushing plate (8) is provided with a guide plate which is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010907693.8A CN112058361A (en) | 2020-09-02 | 2020-09-02 | Building rubbish breaker that building engineering used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010907693.8A CN112058361A (en) | 2020-09-02 | 2020-09-02 | Building rubbish breaker that building engineering used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112058361A true CN112058361A (en) | 2020-12-11 |
Family
ID=73665731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010907693.8A Withdrawn CN112058361A (en) | 2020-09-02 | 2020-09-02 | Building rubbish breaker that building engineering used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112058361A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433275A (en) * | 2021-08-31 | 2022-05-06 | 靖州县惠能耐火材料有限公司 | Mixed type crushing equipment for refractory material production and using method thereof |
| CN115518721A (en) * | 2022-05-16 | 2022-12-27 | 任小军 | Carbon fiber recovery unit |
| CN116422445A (en) * | 2023-04-20 | 2023-07-14 | 烟台市清泉建筑建材有限公司 | Construction waste treatment and recycling device and application method thereof |
| CN117399095A (en) * | 2023-10-16 | 2024-01-16 | 海江科技集团有限公司 | Building rubbish recovery unit |
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| CN206435572U (en) * | 2017-01-12 | 2017-08-25 | 窦义芳 | A kind of environment-friendly type building waste residue recycling and processing device |
| CN107309019A (en) * | 2017-08-11 | 2017-11-03 | 宁波鄞州竹创信息科技有限公司 | A kind of intelligent disintegrating apparatus of anticlogging garbage disposal |
| CN107511954A (en) * | 2017-10-13 | 2017-12-26 | 钟苡苇 | A kind of electronics technology shell efficiency crushing device |
| CN207307956U (en) * | 2017-10-12 | 2018-05-04 | 华福莲 | A kind of automated machine lithotripsy apparatus |
| CN108236983A (en) * | 2018-01-24 | 2018-07-03 | 浙江企聘通网络技术有限公司 | It can be to building exterior wall material processing unit (plant) that air-entrained concrete building block raw material crushes |
| CN108789767A (en) * | 2018-06-24 | 2018-11-13 | 苏州盛迪通电子科技有限公司 | A kind of mould pressing preparing artistic handicraft using plant waste material device and preparation method |
| CN208115930U (en) * | 2018-02-24 | 2018-11-20 | 福建省东丰阁文化发展有限公司 | It is a kind of ceramics small cup production use Highefficientpulverizer |
| CN208852931U (en) * | 2018-07-16 | 2019-05-14 | 贵州康中济世药业有限公司 | Grinding device is used in a kind of processing of Chinese medicine |
| CN210700282U (en) * | 2019-09-02 | 2020-06-09 | 袁守鹏 | Solid sample grinding device for chemical detection |
| CN111346690A (en) * | 2018-12-20 | 2020-06-30 | 徐州宇鑫农业发展有限公司 | Breed and use quick breaker of fodder |
| CN211026464U (en) * | 2019-08-24 | 2020-07-17 | 惠安彬彬胶带加工厂 | Earthwork crusher for traffic engineering construction |
| CN211116557U (en) * | 2019-12-06 | 2020-07-28 | 毛玖芳 | Pumping device of irrigation and water conservancy irrigation pump station |
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2020
- 2020-09-02 CN CN202010907693.8A patent/CN112058361A/en not_active Withdrawn
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206435572U (en) * | 2017-01-12 | 2017-08-25 | 窦义芳 | A kind of environment-friendly type building waste residue recycling and processing device |
| CN107309019A (en) * | 2017-08-11 | 2017-11-03 | 宁波鄞州竹创信息科技有限公司 | A kind of intelligent disintegrating apparatus of anticlogging garbage disposal |
| CN207307956U (en) * | 2017-10-12 | 2018-05-04 | 华福莲 | A kind of automated machine lithotripsy apparatus |
| CN107511954A (en) * | 2017-10-13 | 2017-12-26 | 钟苡苇 | A kind of electronics technology shell efficiency crushing device |
| CN108236983A (en) * | 2018-01-24 | 2018-07-03 | 浙江企聘通网络技术有限公司 | It can be to building exterior wall material processing unit (plant) that air-entrained concrete building block raw material crushes |
| CN208115930U (en) * | 2018-02-24 | 2018-11-20 | 福建省东丰阁文化发展有限公司 | It is a kind of ceramics small cup production use Highefficientpulverizer |
| CN108789767A (en) * | 2018-06-24 | 2018-11-13 | 苏州盛迪通电子科技有限公司 | A kind of mould pressing preparing artistic handicraft using plant waste material device and preparation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433275A (en) * | 2021-08-31 | 2022-05-06 | 靖州县惠能耐火材料有限公司 | Mixed type crushing equipment for refractory material production and using method thereof |
| CN115518721A (en) * | 2022-05-16 | 2022-12-27 | 任小军 | Carbon fiber recovery unit |
| CN116422445A (en) * | 2023-04-20 | 2023-07-14 | 烟台市清泉建筑建材有限公司 | Construction waste treatment and recycling device and application method thereof |
| CN117399095A (en) * | 2023-10-16 | 2024-01-16 | 海江科技集团有限公司 | Building rubbish recovery unit |
| CN117399095B (en) * | 2023-10-16 | 2024-03-15 | 海江科技集团有限公司 | Building rubbish recovery unit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201211 |