CN106492980B - A kind of building waste classification retracting device - Google Patents
A kind of building waste classification retracting device Download PDFInfo
- Publication number
- CN106492980B CN106492980B CN201611207975.7A CN201611207975A CN106492980B CN 106492980 B CN106492980 B CN 106492980B CN 201611207975 A CN201611207975 A CN 201611207975A CN 106492980 B CN106492980 B CN 106492980B
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- CN
- China
- Prior art keywords
- recycling bins
- building waste
- shaft
- feed opening
- classified
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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
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- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
- B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
- B03B9/065—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial the refuse being building rubble
-
- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of building waste classification retracting devices, including recycling bins, filler device and poking device；The bottom of the recycling bins is equipped with bottom plate, and the recycling bins of bottom plate right part are equipped with drainage conduit, and the top of recycling bins is equipped with top plate；The middle part of the top plate is equipped with holder, is fixed with stirring motor on holder, the main shaft of stirring motor is connected with agitating shaft by shaft coupling；The lower end of the agitating shaft is equipped with paddle；Recycling bins on the outside of the paddle are equipped with strong magnets；The top plate of the stirring motor left part is equipped with water inlet pipe, and water inlet pipe is equipped with water pump；The filler device is made of cover board, stock guide, hinge, connecting plate and feed opening；The poking device is made of rod for stiring materials, supporting rod, roller, shaft and driving motor；Magnetic metal in building waste can be adsorbed on the inner wall of recycling bins by the present invention；The building waste swum on the water surface can be dialed out in material storing box；The classification of building waste can be accelerated to recycle.
Description
Technical field
The present invention relates to a kind of garbage recovery device, specifically a kind of building waste classification retracting device.
Background technology
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 generated dregs, spoir, rejected material, mud and other wastes in dismounting, reparative processes are built by constituent classification
Can be divided into building refuse dregs, concrete block, crushed stone, brick and tile fragment, waste mortar, mud, asphalt blocks, waste plastics, old metal,
Useless bamboo wood etc..Since each component severity of mixing up is higher in building waste, it is difficult to distinguish, usually can directly be transported to soot
Waste treatment, but actually have many materials can be with recycling in building waste, but the premise of recycling is
Effectively classified, existing mode classification relies primarily on manual sorting, inefficiency and is difficult to ensure classification accuracy.
Traditional building waste classification retracting device, general classification effectiveness is relatively low, inconvenient for use, cannot meet the needs of people.
Invention content
The purpose of the present invention is to provide a kind of building waste classification retracting devices, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides the following technical solutions：
A kind of building waste classification retracting device, including recycling bins, filler device and poking device；The bottom of the recycling bins
Portion is equipped with bottom plate, and the recycling bins of bottom plate right part are equipped with drainage conduit, and the top of recycling bins is equipped with top plate, and the left part of recycling bins is equipped with
The right part of filler device, recycling bins is equipped with poking device；The middle part of the top plate is equipped with holder, and stirring electricity is fixed on holder
The main shaft of machine, stirring motor is equipped with shaft coupling, and the main shaft of stirring motor is connected with agitating shaft by shaft coupling；The agitating shaft
It is equipped with bearing, agitating shaft is mounted on top plate and bottom plate by bearing, and the lower end of agitating shaft is equipped with paddle；Outside the paddle
The recycling bins of side are equipped with strong magnets；The top plate of the stirring motor left part is equipped with water inlet pipe, and water inlet pipe is equipped with water pump；
The filler device is made of cover board, stock guide, hinge, connecting plate and feed opening；The feed opening is arranged on a left side for recycling bins
Top is equipped with stock guide at feed opening lower edge, and the top of stock guide is equipped with cover board, and cover board is equipped with hinge, and cover board passes through hinge
For chain link on connecting plate, connecting plate is fixed on the top edge of feed opening；The poking device is arranged in through-hole, through-hole setting
In the upper right quarter of recycling bins, poking device is made of rod for stiring materials, supporting rod, roller, shaft and driving motor；The driving motor
It is fixed on recycling bins, shaft is connected on the main shaft of driving motor, roller is installed in shaft, roller is surrounded by support
Bar.
As a further solution of the present invention：The horizontal position of the through-hole is less than the horizontal position of feed opening in filler device
It sets.
As a further solution of the present invention：Recycling bins outside the through-hole are equipped with material storing box.
As a further solution of the present invention：The supporting rod shares 12, and one end of supporting rod is equidistant to be fixed on
On the side of roller, the other end of supporting rod is equipped with rod for stiring materials, and rod for stiring materials is fixed on the left side of supporting rod.
As a further solution of the present invention：The shape of the strong magnets is circular ring shape, is fixed on the inner wall of recycling bins
On.
As a further solution of the present invention：There are three the paddle is total, three paddles are equidistant to be fixed on stirring
On axis.
As further scheme of the invention：The drainage conduit is connected to the right lower quadrant of recycling bins, and drainage conduit is equipped with
Control valve.
Compared with prior art, the beneficial effects of the invention are as follows：
The configuration of the present invention is simple, multiple functional, reasonable design are easy to use；The building waste is classified in retracting device
Magnetic metal in building waste can be adsorbed on the inner wall of recycling bins by strong magnets, and magnetic metal is prevented to be entrained in other rubbish
In rubbish；Moisture can be such that part rubbish swims in recycling bins, and poking device can dial out to the building waste swum on the water surface
In material storing box, and then by the Waste sorting recycle of floating；Agitating shaft and paddle can be stirred building waste, accelerate building
The classification of rubbish is recycled, and is prevented the tiny building waste doping in part together, is not easy to the classification recycling of building waste.
Description of the drawings
Fig. 1 is the structural schematic diagram of building waste classification retracting device.
Fig. 2 is the structural schematic diagram of filler device in building waste classification retracting device.
Fig. 3 is the structural schematic diagram of poking device in building waste classification retracting device.
In figure：1- bottom plates, 2- recycling bins, 3- strong magnets, 4- paddles, 5- agitating shafts, 6- filler devices, 7- water inlets
Pipe, 8- top plates, 9- water pumps, 10- stirring motors, 11- holders, 12- shaft couplings, 13- bearings, 14- through-holes, 15- poking devices,
16- material storing box, 17- drainage conduits, 18- control valves, 19- cover boards, 20- stock guides, 21- hinges, 22- connecting plates, 23- feed openings,
24- rod for stiring materials, 25- supporting rods, 26- rollers, 27- shafts, 28- driving motors.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Please refer to Fig.1-3, a kind of building waste is classified retracting device, including recycling bins 2, filler device 6 and poking device
15；The bottom of the recycling bins 2 is equipped with bottom plate 1, and the recycling bins 2 of 1 right part of bottom plate are equipped with drainage conduit 17, the top of recycling bins 2
Equipped with top plate 8, the left part of recycling bins 2 is equipped with filler device 6, and the right part of recycling bins 2 is equipped with poking device 15, for transfering to building
Rubbish；The drainage conduit 17 is connected to the right lower quadrant of recycling bins 2, and drainage conduit 17 is equipped with control valve 18, for control discharge into
Degree；The middle part of the top plate 8 is equipped with holder 11, is fixed with stirring motor 10 on holder 11, the main shaft of stirring motor 10 is equipped with
The main shaft of shaft coupling 12, stirring motor 10 is connected with agitating shaft 5 by shaft coupling 12；The agitating shaft 5 is equipped with bearing 13, axis
Hold 13 agitating shaft 5 is mounted on top plate 8 and bottom plate 1, the lower end of agitating shaft 5 is equipped with paddle 4, paddle 4 altogether there are three, three
A paddle 4 is equidistant to be fixed on agitating shaft 5；The recycling bins 2 in 4 outside of the paddle are equipped with strong magnets 3, strong magnetic
The shape of iron 3 is circular ring shape, is fixed on the inner wall of recycling bins 2, can the magnetic metal in recycling bins 2 be adsorbed on strong magnets
On 3；The top plate 8 of 10 left part of the stirring motor is equipped with water inlet pipe 7, and water inlet pipe 7 is equipped with water pump 9, and water pump 9 is used for recycling
Water filling in case 2；The filler device 6 is made of cover board 19, stock guide 20, hinge 21, connecting plate 22 and feed opening 23, for
Building waste is filled in recycling bins 2；The upper left quarter in recycling bins 2 is arranged in the feed opening 23, is equipped at 23 lower edge of feed opening
The top of stock guide 20, stock guide 20 is equipped with cover board 19, and cover board 19 is equipped with hinge 21, and cover board 19 is connected to by hinge 21
On fishplate bar 22, connecting plate 22 is fixed on the top edge of feed opening 23, is used for connecting cover plate 19；The setting of the poking device 15 is logical
In hole 14, the upper right quarter in recycling bins 2 is arranged in through-hole 14, and poking device 15 is by rod for stiring materials 24, supporting rod 25, roller 26, shaft
27 and driving motor 28 form, for transfering to the building waste floated in recycling bins 2；The driving motor 28 is fixed on recycling bins
On 2, it is connected with shaft 27 on the main shaft of driving motor 28, roller 26 is installed in shaft 27, roller 26 is surrounded by support
Bar 25；The supporting rod 25 shares 12, and one end of supporting rod 25 is equidistant to be fixed on the side of roller 26, supporting rod 25
The other end be equipped with rod for stiring materials 24, rod for stiring materials 24 is fixed on the left side of supporting rod 25, for transfering to the building floated in recycling bins 2
Rubbish；The horizontal position of the through-hole 14 is less than the horizontal position of feed opening 23 in filler device 6, the floating rubbish in recycling bins 2
Rubbish does not appear in filler device 6；Recycling bins 2 outside the through-hole 14 are equipped with material storing box 16, for storing material toggling dress
Set the floating refuse of 15 dial-outs.
The present invention operation principle be：In use, building waste is filled into recycling bins 2 by filler device 6 first, and
Moisture is injected into recycling bins 2；Then start stirring motor 10 and driving motor 28, stirring motor 10 drives agitating shaft 5 and stirs
It mixes leaf 4 to be stirred building waste, the building waste floated in moisture is dialed out to storage by rod for stiring materials 24 in poking device 15
In hopper 16, the magnetic metal rubbish of building waste is adsorbed in strong magnets 3 by strong magnets 3；Finally, after having been classified,
Stirring motor 10 and driving motor 28 are closed, recycling bins 2 are discharged in sorted rubbish by opening controlling valve 18.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (6)
- The retracting device 1. a kind of building waste is classified, including recycling bins（2）, filler device（6）And poking device（15）；Its feature It is, the recycling bins（2）Bottom be equipped with bottom plate（1）, bottom plate（1）The recycling bins of right part（2）It is equipped with drainage conduit（17）, return Receive case（2）Top be equipped with top plate（8）, recycling bins（2）Left part be equipped with filler device（6）, recycling bins（2）Right part be equipped with dial Expect device（15）；The top plate（8）Middle part be equipped with holder（11）, holder（11）On be fixed with stirring motor（10）, stirring electricity Machine（10）Main shaft be equipped with shaft coupling（12）, stirring motor（10）Main shaft pass through shaft coupling（12）It is connected with agitating shaft（5）； The agitating shaft（5）It is equipped with bearing（13）, bearing（13）By agitating shaft（5）Mounted on top plate（8）And bottom plate（1）On, stirring Axis（5）Lower end be equipped with paddle（4）；The paddle（4）The recycling bins in outside（2）It is equipped with strong magnets（3）；It is described to stir Mix motor（10）The top plate of left part（8）It is equipped with water inlet pipe（7）, water inlet pipe（7）It is equipped with water pump（9）；The filler device（6） By cover board（19）, stock guide（20）, hinge（21）, connecting plate（22）And feed opening（23）Composition；Feed opening（23）At lower edge Equipped with stock guide（20）, stock guide（20）Top be equipped with cover board（19）, cover board（19）It is equipped with hinge（21）, cover board（19）It is logical Cross hinge（21）It is connected to connecting plate（22）On, connecting plate（22）It is fixed on feed opening（23）Top edge；The poking device （15）It is arranged in through-hole（14）It is interior, through-hole（14）It is arranged in recycling bins（2）Upper right quarter, poking device（15）By rod for stiring materials （24）, supporting rod（25）, roller（26）, shaft（27）And driving motor（28）Composition；The driving motor（28）It is fixed on back Receive case（2）On, driving motor（28）Main shaft on be connected with shaft（27）, shaft（27）On roller is installed（26）, roller （26）Be surrounded by supporting rod（25）, the supporting rod（25）12 are shared, supporting rod（25）The equidistant fixation in one end In roller（26）Side on, supporting rod（25）The other end be equipped with rod for stiring materials（24）, the through-hole（14）Horizontal position set low In filler device（6）Middle feed opening（23）Horizontal position.
- The retracting device 2. a kind of building waste according to claim 1 is classified, which is characterized in that the feed opening（23）If It sets in recycling bins（2）Upper left quarter.
- The retracting device 3. a kind of building waste according to claim 1 is classified, which is characterized in that the through-hole（14）It is external Recycling bins（2）It is equipped with material storing box（16）.
- The retracting device 4. a kind of building waste according to claim 1 is classified, which is characterized in that the strong magnets（3） Shape be circular ring shape, be fixed on recycling bins（2）Inner wall on.
- The retracting device 5. a kind of building waste according to claim 1 is classified, which is characterized in that the paddle（4）Altogether There are three, three paddles（4）It is equidistant to be fixed on agitating shaft（5）On.
- The retracting device 6. a kind of building waste according to claim 1 is classified, which is characterized in that the drainage conduit（17）Even It is connected on recycling bins（2）Right lower quadrant, drainage conduit（17）It is equipped with control valve（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207975.7A CN106492980B (en) | 2016-12-23 | 2016-12-23 | A kind of building waste classification retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207975.7A CN106492980B (en) | 2016-12-23 | 2016-12-23 | A kind of building waste classification retracting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106492980A CN106492980A (en) | 2017-03-15 |
| CN106492980B true CN106492980B (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611207975.7A Active CN106492980B (en) | 2016-12-23 | 2016-12-23 | A kind of building waste classification retracting device |
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| CN (1) | CN106492980B (en) |
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| CN108058938B (en) * | 2017-12-13 | 2020-02-21 | 中国人民解放军总医院 | Medical waste intelligent classification device |
| CN108325737B (en) * | 2018-02-08 | 2020-12-15 | 博兴兴博城建投资集团有限公司 | Treatment device for broken waste building wood |
| CN110116041B (en) * | 2019-06-14 | 2021-01-29 | 常德市新金顶新型建材有限公司 | Construction waste classification stirs garrulous device |
| CN113751408B (en) * | 2020-06-01 | 2023-03-24 | 中国石油化工股份有限公司 | Rock debris cleaning device and rock debris cleaning system |
| CN113102465A (en) * | 2021-04-16 | 2021-07-13 | 南通隆辉环保科技有限公司 | Steel extrusion equipment for urban solid waste treatment and use method |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183213A (en) * | 1991-07-30 | 1993-02-02 | Knez Building Materials Company | Method for recycling wallboard |
| DE29516528U1 (en) * | 1995-10-19 | 1995-12-14 | Prusseit, Peter, Prof. Dr.-Ing.habil., 39104 Magdeburg | Sorting device for separating mixtures of materials in light and heavy goods |
| KR100539709B1 (en) * | 2004-09-24 | 2005-12-29 | 학교법인 동아대학교 | Method for separation of construction waste |
| CN102151658B (en) * | 2010-12-14 | 2013-01-09 | 崔正哲 | Building garbage separation device |
| CN203209164U (en) * | 2013-04-10 | 2013-09-25 | 宁波科星材料科技有限公司 | Magnetic filter easy to clean |
| GB201309788D0 (en) * | 2013-05-31 | 2013-07-17 | Medtrade Products Ltd | Process for the removal of contamination from a raw material |
| CN203899728U (en) * | 2014-04-16 | 2014-10-29 | 常熟市玖隆材料科技有限公司 | Bottle cap and pulverized plastic separating device |
| CN203842696U (en) * | 2014-06-02 | 2014-09-24 | 徐小军 | Construction waste separation device |
| CN204469906U (en) * | 2014-12-25 | 2015-07-15 | 长沙矿冶研究院有限责任公司 | A kind of pulse low-intensity magnetic field mechanical stirring flotation machine |
| CN204429475U (en) * | 2015-01-16 | 2015-07-01 | 四川联星环保科技有限公司 | A kind of garbage sorting device |
| CN204606741U (en) * | 2015-04-03 | 2015-09-02 | 黄子玮 | Waste classification recovery device |
| CN205598715U (en) * | 2016-04-10 | 2016-09-28 | 清流亮剑环保技术开发有限公司 | Waste water purification device |
| CN205603289U (en) * | 2016-04-13 | 2016-09-28 | 赣州鑫磊稀土新材料有限公司 | Tombarthite neodymium iron boron waste liquid waste recovery device |
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2016
- 2016-12-23 CN CN201611207975.7A patent/CN106492980B/en active Active
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| CN106492980A (en) | 2017-03-15 |
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Effective date of registration: 20180803 Address after: 066004 Hebei Qinhuangdao economic and Technological Development Zone, the Yanghe River Road, 12 e valley, creative space C area two level 17. Applicant after: Hebei Zhongyan Technology Services Limited Address before: 450000 room C260, 1 tower, 96, Ruida Road, Zhengzhou high tech Industrial Development Zone, Henan Applicant before: Zhengzhou search information technology Co., Ltd. |
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Effective date of registration: 20180814 Address after: 066004 1610 A block, Jinming international wealth center, Qinhuangdao economic and Technological Development Zone, Hebei Applicant after: China Foundry wisdom technology Qinhuangdao Co., Ltd. Address before: 066004 Hebei Qinhuangdao economic and Technological Development Zone, the Yanghe River Road, 12 e valley, creative space C area two level 17. Applicant before: Hebei Zhongyan Technology Services Limited |
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