CN108405042A - A kind of multiple breaker of construction waste with ironware recycling function - Google Patents
A kind of multiple breaker of construction waste with ironware recycling function Download PDFInfo
- Publication number
- CN108405042A CN108405042A CN201810172982.0A CN201810172982A CN108405042A CN 108405042 A CN108405042 A CN 108405042A CN 201810172982 A CN201810172982 A CN 201810172982A CN 108405042 A CN108405042 A CN 108405042A
- Authority
- CN
- China
- Prior art keywords
- work box
- construction waste
- pressing plate
- fixedly installed
- ironware
- 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
- 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
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
-
- 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
- B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
-
- 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
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- 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
- B02C4/42—Driving mechanisms; Roller speed control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
Abstract
The invention discloses a kind of multiple breakers of construction waste recycling function with ironware, including pedestal, the base top, which is fixed by the bracket, is provided with work box, it is connected with loading hopper at the work box top feed mouth, the work box inner top left side wall is fixedly installed briquetting, right side wall centre position is fixedly installed hydraulic cylinder in the work box, hydraulic cylinder piston rod left end is hinged with pressing plate, the work box rear wall is fixedly installed second reducing motors, second reducing motors front end motor shaft is fixedly connected with cam across work box rear wall, cam is located on the right side of pressing plate and offsets with pressing plate.The present invention is crushed construction waste around hinge joint or so reciprocating swing by pressing plate, construction waste is not broken once, decline a small distance downwards, it sufficiently small is fallen between briquetting and pressing plate until broken, it is gradually crushed using pressing plate reciprocally swinging, the mechanism load of reduction, crushing effect are more preferable.
Description
Technical field
The present invention relates to building machinery technical field, specifically a kind of construction waste with ironware recycling function is multiple broken
Crushing device.
Background technology
With the raising of Process of Urbanization Construction, the lasting progress of old town transformation, the building almost all haveing been friends in the past daily will be torn open
It removes, and most building wastes are just transported to countryside or rural area, air storage or landfill, not only consume without any processing
A large amount of soil and land acquisition etc. construction costs, and cause the huge waste of resource.If can be useless by these buildings
Material re-uses, then has both eliminated the high cost of carrying, and saved money, and can remake into concrete, carries out scene
It recycles.
Common building waste material breaker is larger to mechanism load when broken, and device longevity is relatively low, can not be directed to different
Construction waste is adjusted, and crushing effect is difficult to reach requirement；And often contain reinforcing bar, iron nail etc., valence in construction waste
It is worth relatively high, if do not recycled individually to iron charge, not only results in the waste of resource, and can be useless to other buildings
The re-using of material adversely affects.
Invention content
The purpose of the present invention is to provide a kind of multiple breakers of construction waste recycling function with ironware, to solve
The problems mentioned above in the background art.
To achieve the above object, the present invention provides the following technical solutions：
A kind of multiple breaker of construction waste with ironware recycling function, including pedestal, the base top pass through holder
It is fixedly installed work box, loading hopper is connected at the work box top feed mouth, the work box inner top left side wall is solid
Surely it is provided with briquetting, right side wall centre position is fixedly installed hydraulic cylinder in the work box, and hydraulic cylinder piston rod left end is hinged
There are pressing plate, the work box rear wall to be fixedly installed second reducing motors, second reducing motors front end motor shaft passes through work
Case rear wall is fixedly connected with cam, and cam is located on the right side of pressing plate and offsets with pressing plate；The work box left side wall is further opened with
Discharge port, discharge port are located at below briquetting, and the work box is located at discharge outlet and is hinged with receipts metal trough, receive metal trough and incline to the right
Tiltedly, receipts metal trough bottom right end is fixedly installed electromagnet.
As a further solution of the present invention：The receipts metal trough bottom left is fixedly installed sliding rail, and sliding rail is located at work
Case is outer and sliding rail lower section slidably connects sliding block, and the work box left side wall is further fixedly arranged on mounting base, and mounting base top is solid
Surely it is provided with electric pushrod, electric pushrod push rod top is hinged with sliding block.
As further scheme of the invention：Bottom front-rear direction is provided with two shafts in left and right in the work box,
Shaft front and back end is each passed through work box front-rear side walls and is rotatablely connected with work box front-rear side walls；It is fixedly mounted in the shaft
There is mutually matched pulverization roller；Left/right rotation shaft rear end is installed with pitch wheel, the work box rear wall respectively
First reducing motors are further fixedly arranged on, first reducing motors front end motor shaft is fixedly connected with right side shaft rear end.
As further scheme of the invention：The pulverization roller side wall is also evenly distributed with several crushing tooths.
As further scheme of the invention：The receipts metal trough end is located at left and right pulverization roller with right over chalaza.
As further scheme of the invention：Bottom is fixedly installed slide plate in the work box, and slide plate, which is located at, to be crushed
Below roller, the slide plate tilts to the right, and the slide plate right end is fixedly connected with blow tank, and blow tank passes through on the right side of work box
Wall extends to outside work box.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is crushed construction waste around hinge joint or so reciprocating swing by pressing plate, and construction waste is not broken one
It is secondary, decline a small distance downwards, until it is broken it is sufficiently small fallen between briquetting and pressing plate, carried out using pressing plate reciprocally swinging
It is gradually crushed, the mechanism load of reduction, crushing effect is more preferable；The distance between pressing plate bottom and briquetting are carried out by hydraulic cylinder
It adjusts, to adjust the construction waste size of preliminary crushing, the construction waste for being applicable in varying strength is broken；Iron is received by setting
Slot is received and is provided with electromagnet at the top of metal trough, and tentatively broken construction waste, which is fallen on, receives on metal trough, is slided to the right on metal trough from receiving,
The iron charges such as iron nail or reinforcing bar in construction waste are adsorbed under electromagnet magneticaction to be received on metal trough, at regular intervals, is stopped
It only feeds, control electric pushrod push rod shortening makes receipts metal trough inclined downward to the left, to receiving metal trough power-off, you can so that iron charge is to the left
Work box is skidded off, to carry out recycling to iron charge, is economized on resources；It is rotated in opposite directions by pulverization roller and construction waste is carried out
It is further crushed, ensures that broken construction waste is sufficiently small, convenient for recycling.
Description of the drawings
Fig. 1 is the structural schematic diagram for the multiple breaker of construction waste that function is recycled with ironware.
Fig. 2 is that the vertical view partial structurtes in the multiple breaker of construction waste for recycle function with ironware at pulverization roller are shown
It is intended to.
Fig. 3 is the structural schematic diagram at A in the multiple breaker of construction waste for recycle function with ironware.
In figure：1- pedestals, 2- work boxs, 3- slide plates, 4- blow tanks, 5- shafts, 6- pulverization rollers, 7- crushing tooths, 8- gears,
9- first reducing motors, 10- briquettings, 11- hydraulic cylinders, 12- pressing plates, 13- second reducing motors, 14- cams, 15- loading hoppers,
16- mounting bases, 17- electric pushrods, 18- sliding blocks, 19- sliding rails, 20- receive metal trough, 21- discharge ports, 22- electromagnet.
Specific implementation mode
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 describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of multiple broken dress of construction waste with ironware recycling function
It sets, including pedestal 1,1 top of the pedestal, which is fixed by the bracket, is provided with work box 2, connects at 2 top feed mouth of the work box
It is connected to loading hopper 15, facilitates charging；2 inner top left side wall of the work box is fixedly installed briquetting 10, right in the work box 2
Side wall centre position is fixedly installed hydraulic cylinder 11, and 11 piston rod left end of hydraulic cylinder is hinged with pressing plate 12,2 rear side of the work box
Wall is fixedly installed second reducing motors 13, and 13 front end motor shaft of second reducing motors is fixedly connected across 2 rear wall of work box
There are cam 14, cam 14 to be located at 12 right side of pressing plate and offset with pressing plate 12, rotated with moving cam 14 by second reducing motors 13,
Cam 14 resists pressing plate 12 when rotating make pressing plate 12 be rotated counterclockwise to falling between briquetting 10 and pressing plate 12 around hinge joint
Construction waste carry out attrition crushing, after cam 14 turns an angle, pressing plate 12 is in its own gravity and construction waste
Return-to-home position clockwise under extruding, thus pressing plate 12 construction waste is crushed around hinge joint or so reciprocating swing, build
Waste material is not broken once, declines a small distance downwards, until it is broken it is sufficiently small fallen between briquetting 10 and pressing plate 12, by
It is gradually crushed in using 12 reciprocally swinging of pressing plate, the mechanism load of reduction, crushing effect is more preferable；By hydraulic cylinder to pressing plate
The distance between bottom and briquetting are adjusted, and to adjust the construction waste size of preliminary crushing, are applicable in building for varying strength
It is broken to build waste material；
Bottom front-rear direction is provided with two shafts 5 in left and right in the work box 2, before 5 front and back end of shaft is each passed through work box 2
Rear wall and with 2 front-rear side walls of work box be rotatablely connected；Mutually matched pulverization roller 6 is installed in the shaft 5, it is described
6 side wall of pulverization roller is also evenly distributed with several crushing tooths 7, further increases construction waste crushing effect；5 rear end of left and right shaft point
It is not installed with pitch wheel 8,2 rear wall of the work box is further fixedly arranged on first reducing motors 9, and first subtracts
9 front end motor shaft of speed motor is fixedly connected with 5 rear end of right side shaft, drives shaft 5 to rotate when first reducing motors 9 rotate, from
And left and right pulverization roller 6 is driven to rotate in opposite directions, construction waste is further crushed, ensures that broken construction waste is enough
It is small, convenient for recycling；Bottom is fixedly installed slide plate 3 in the work box 2, and slide plate 3 is located at 6 lower section of pulverization roller, the slide plate 3
It tilts to the right, 3 right end of the slide plate is fixedly connected with blow tank 4, and blow tank 4 extends to work across 2 right side wall of work box
Make outside case 2；
2 left side wall of the work box is further opened with discharge port 21, and discharge port 21 is located at 10 lower section of briquetting, and the work box 2 is located at
It is hinged at discharge port 21 and receives metal trough 20, received metal trough 20 and tilt to the right, received 20 end of metal trough and be located at left and right pulverization roller 6 with chalaza
Surface, 20 bottom left of receipts metal trough are fixedly installed sliding rail 19, and sliding rail 19 is located at outside work box 2 and 19 lower section of sliding rail is sliding
Dynamic to be connected with sliding block 18,2 left side wall of the work box is further fixedly arranged on mounting base 16, and 16 top of mounting base is fixedly installed electricity
Dynamic push rod 17,17 push rod top of electric pushrod are hinged with sliding block 18；The 20 bottom right end of receipts metal trough is fixedly installed electromagnet
22, it is powered to electromagnet 22 when being crushed to construction waste, when the construction waste being broken between briquetting 10 and pressing plate 12 falls,
It first falls on and receives on metal trough 20, slided to the right on metal trough 20 from receiving, the iron charges such as iron nail or reinforcing bar in construction waste are in electromagnet 22
It is adsorbed in and is received on metal trough 20 under magneticaction, at regular intervals, stop charging, control 17 push rod of electric pushrod shortening makes receipts iron
Slot 20 tilts to the right, is powered off to receiving metal trough 20, you can so that iron charge skids off work box 2 to the left, to be returned to iron charge
It receives and recycles, economize on resources, while being also convenient for the recycling of construction waste.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of multiple breaker of construction waste with ironware recycling function, including pedestal（1）, the pedestal（1）Top
It is fixed by the bracket and is provided with work box（2）, the work box（2）It is connected with loading hopper at top feed mouth（15）, feature
It is, the work box（2）Inner top left side wall is fixedly installed briquetting（10）, the work box（2）Interior right side wall interposition
It sets and is fixedly installed hydraulic cylinder（11）, hydraulic cylinder（11）Piston rod left end is hinged with pressing plate（12）, the work box（2）Rear wall
It is fixedly installed second reducing motors（13）, second reducing motors（13）Front end motor shaft passes through work box（2）Rear wall is fixed
It is connected with cam（14）, cam（14）Positioned at pressing plate（12）Right side and and pressing plate（12）It offsets；The work box（2）Left side wall is also
Offer discharge port（21）, discharge port（21）Positioned at briquetting（10）Lower section, the work box（2）Positioned at discharge port（21）Place is hinged
There is receipts metal trough（20）, receive metal trough（20）It tilts to the right, the receipts metal trough（20）Bottom right end is fixedly installed electromagnet
（22）.
2. the construction waste multiple breaker according to claim 1 with ironware recycling function, which is characterized in that institute
State receipts metal trough（20）Bottom left is fixedly installed sliding rail（19）, sliding rail（19）Positioned at work box（2）Outer and sliding rail（19）Lower section
Slidably connect sliding block（18）, the work box（2）Left side wall is further fixedly arranged on mounting base（16）, mounting base（16）Top is solid
Surely it is provided with electric pushrod（17）, electric pushrod（17）Push rod top and sliding block（18）It is hinged.
3. the construction waste multiple breaker according to claim 2 with ironware recycling function, which is characterized in that institute
State work box（2）Interior bottom front-rear direction is provided with two shafts in left and right（5）, shaft（5）Front and back end is each passed through work box（2）
Front-rear side walls and and work box（2）Front-rear side walls are rotatablely connected；The shaft（5）On be installed with mutually matched pulverization roller
（6）；Left and right shaft（5）Rear end is installed with pitch wheel respectively（8）, the work box（2）Rear wall is also fixed
It is provided with first reducing motors（9）, first reducing motors（9）Front end motor shaft and right side shaft（5）Rear end is fixedly connected.
4. the construction waste multiple breaker according to claim 3 with ironware recycling function, which is characterized in that institute
State pulverization roller（6）Side wall is also evenly distributed with several crushing tooths（7）.
5. the construction waste multiple breaker according to claim 3 with ironware recycling function, which is characterized in that institute
State receipts metal trough（20）End is located at left and right pulverization roller（6）With right over chalaza.
6. the construction waste multiple breaker according to claim 5 with ironware recycling function, which is characterized in that institute
State work box（2）Interior bottom is fixedly installed slide plate（3）, slide plate（3）Positioned at pulverization roller（6）Lower section, the slide plate（3）To bottom right
Side tilts, the slide plate（3）Right end is fixedly connected with blow tank（4）, blow tank（4）Across work box（2）Right side wall extends to
Work box（2）Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810172982.0A CN108405042A (en) | 2018-03-02 | 2018-03-02 | A kind of multiple breaker of construction waste with ironware recycling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810172982.0A CN108405042A (en) | 2018-03-02 | 2018-03-02 | A kind of multiple breaker of construction waste with ironware recycling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108405042A true CN108405042A (en) | 2018-08-17 |
Family
ID=63129880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810172982.0A Pending CN108405042A (en) | 2018-03-02 | 2018-03-02 | A kind of multiple breaker of construction waste with ironware recycling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108405042A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130007A (en) * | 2018-09-25 | 2019-01-04 | 江苏旺科新材料有限公司 | The broken milling production line of building template waste material |
| CN109351396A (en) * | 2018-10-23 | 2019-02-19 | 张伟德 | A kind of animal husbandry dampness agglomeration feed crushing drying equipment |
| CN110075953A (en) * | 2019-06-05 | 2019-08-02 | 深圳智达机械技术有限公司 | A kind of waste and old concrete processing unit |
| CN110433896A (en) * | 2019-08-14 | 2019-11-12 | 李杨 | A kind of chemical industry milling apparatus |
| CN110871211A (en) * | 2019-11-26 | 2020-03-10 | 哈尔滨学院 | Engineering construction waste treatment device |
| CN110918163A (en) * | 2018-08-19 | 2020-03-27 | 义乌市多方联矿机超市有限公司 | Crushing pair with screen frame |
| CN111195999A (en) * | 2020-02-12 | 2020-05-26 | 王晶晶 | Waste recovery device is used in automotive interior spare production |
| CN111229430A (en) * | 2020-02-28 | 2020-06-05 | 重庆建筑工程职业学院 | Recovery unit is smashed to construction discarded object |
| CN111558419A (en) * | 2020-05-26 | 2020-08-21 | 王波 | Energy-saving and environment-friendly type garbage recovery device for railway mine engineering supervision and treatment method |
| CN112024057A (en) * | 2020-08-12 | 2020-12-04 | 贵州医科大学 | A novel tablet milling equipment for nursing branch of academic or vocational study |
| CN112570100A (en) * | 2020-11-27 | 2021-03-30 | 中国建筑第二工程局有限公司 | Construction waste crushing and classifying device and method |
| CN112973840A (en) * | 2021-02-20 | 2021-06-18 | 解添如 | Smashing device for civil engineering and working method thereof |
| CN114160240A (en) * | 2021-12-07 | 2022-03-11 | 聂志满 | Waste concrete waste residue recovery unit for building engineering |
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| CN115055239A (en) * | 2022-08-12 | 2022-09-16 | 南通太洋高新材料科技有限公司 | Sodium fluoride purification device |
| CN116174120A (en) * | 2022-01-12 | 2023-05-30 | 佳木斯大学 | Construction waste treatment equipment with weighing piece |
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| CN110918163A (en) * | 2018-08-19 | 2020-03-27 | 义乌市多方联矿机超市有限公司 | Crushing pair with screen frame |
| CN109130007B (en) * | 2018-09-25 | 2024-01-02 | 江苏旺科新材料有限公司 | Broken crocus production line of building templates waste material |
| CN109130007A (en) * | 2018-09-25 | 2019-01-04 | 江苏旺科新材料有限公司 | The broken milling production line of building template waste material |
| CN109351396B (en) * | 2018-10-23 | 2020-11-24 | 黟县国有资产运营有限公司 | Damp caking fodder crushing and drying equipment for animal husbandry |
| CN109351396A (en) * | 2018-10-23 | 2019-02-19 | 张伟德 | A kind of animal husbandry dampness agglomeration feed crushing drying equipment |
| CN110075953A (en) * | 2019-06-05 | 2019-08-02 | 深圳智达机械技术有限公司 | A kind of waste and old concrete processing unit |
| CN110433896A (en) * | 2019-08-14 | 2019-11-12 | 李杨 | A kind of chemical industry milling apparatus |
| CN110433896B (en) * | 2019-08-14 | 2021-07-27 | 博兴县金得源涂料有限公司 | Chemical grinding equipment |
| CN110871211A (en) * | 2019-11-26 | 2020-03-10 | 哈尔滨学院 | Engineering construction waste treatment device |
| CN110871211B (en) * | 2019-11-26 | 2020-12-11 | 哈尔滨学院 | Engineering construction waste treatment device |
| CN111195999A (en) * | 2020-02-12 | 2020-05-26 | 王晶晶 | Waste recovery device is used in automotive interior spare production |
| CN111229430A (en) * | 2020-02-28 | 2020-06-05 | 重庆建筑工程职业学院 | Recovery unit is smashed to construction discarded object |
| CN111558419A (en) * | 2020-05-26 | 2020-08-21 | 王波 | Energy-saving and environment-friendly type garbage recovery device for railway mine engineering supervision and treatment method |
| CN112024057A (en) * | 2020-08-12 | 2020-12-04 | 贵州医科大学 | A novel tablet milling equipment for nursing branch of academic or vocational study |
| CN112024057B (en) * | 2020-08-12 | 2021-08-17 | 姜帅 | A novel tablet milling equipment for nursing branch of academic or vocational study |
| CN112570100A (en) * | 2020-11-27 | 2021-03-30 | 中国建筑第二工程局有限公司 | Construction waste crushing and classifying device and method |
| CN112973840A (en) * | 2021-02-20 | 2021-06-18 | 解添如 | Smashing device for civil engineering and working method thereof |
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Application publication date: 20180817 |