CN103611718A - Construction waste pre-grinding and sorting device - Google Patents
Construction waste pre-grinding and sorting device Download PDFInfo
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- CN103611718A CN103611718A CN201310575954.0A CN201310575954A CN103611718A CN 103611718 A CN103611718 A CN 103611718A CN 201310575954 A CN201310575954 A CN 201310575954A CN 103611718 A CN103611718 A CN 103611718A
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- grinding
- ball
- building waste
- magnetic 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
- Y02W30/58—Construction or demolition [C&D] waste
Abstract
The invention relates to a device for pre-grinding and sorting construction wastes containing complicated construction material components. A construction waste pre-grinding and sorting device comprises a construction waste grinding and sorting system and an aggregate screening system, wherein the construction waste grinding and sorting system comprises crushing equipment (1), magnetic separation equipment and ball milling equipment (2); the crushing equipment (1) comprises a charging hopper (3), a jaw-type crusher (4) and an inclined plate type feeding box (5); the magnetic separation equipment comprises an inner magnetic separation ring (7), a scraping plate (8), a hopper (9) and a conveying belt (10); the ball milling equipment (2) comprises a ball milling roller (11), same-type milling balls (12), middle-end overflow holes (13), a front-end supporting device (14) and a power device (15); the aggregate screening system comprises a roller screen (17), a fine aggregate storage hopper (18), a coarse aggregate discharging hole (19) and a rear-end supporting device (20). According to the construction waste pre-grinding and sorting device, the construction wastes made of different materials can be well screened.
Description
Technical field
The present invention relates to building waste sorting technology field, relate in particular to a kind of being applicable to the device of the pre-grinding sorting of building waste containing complicated building materials composition.
Background technology
Building waste refers to the discarded object that building changes, tears open and produces in process of construction, in China, mainly comprise concrete, useless brick and tile, wall ash, metal and timber etc., when carrying out recycling, concrete and metal are due to its high-strength characteristic, can be considered most worthy material, useless brick and tile, wall ash and timber are secondly.At present, the good sorting of building waste how difference being worth, Each answers the purpose intended is the key of building waste sorting technology.
Patent CN201110086681.4 discloses a kind of building waste sorting recycling integrated apparatus, utilizes the different pore size of multistage diagrid to realize the sizing screening of different-grain diameter building waste.But the complicated component of building waste (as useless brick and tile, concrete and iron block), identical material construction material is not of uniform size, and the building waste of different purposes is often mixed in together, causes the wasting of resources What is more the quality that affects product after recycling.
Patent CN102861718A discloses a kind of building waste gravity separation device, utilize the difference of specific gravity of heterogeneity in building waste, by jettisoninging, make it separated with the mode of selection by winnowing, the advantage of this patented technology is the large composition of specific gravity difference in separated building waste well, as realize the sorting of plastics and timber in fragment of brick, concrete block, plastics and timber combination construction rubbish, but weak point is accurately sorting fragment of brick and concrete block.
Therefore, design a kind of urgency that the building waste grading plant for disintegrating of the good screening of unlike material building waste can be possessed skills.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of building waste pre-grinding sorting unit, it can well sieve the building waste of unlike material.
The scheme that the present invention solve the technical problem is: the pre-grinding sorting unit of a kind of building waste, comprise building waste grinding separation system and aggregate screening system, and it is characterized in that:
Described building waste grinding separation system comprises disintegrating apparatus, magnetic plant and ball-grinding machine, disintegrating apparatus comprises feed hopper, jaw crushing instrument and ramp type feed tank, magnetic plant comprises ring, scraper plate, hopper and conveyer belt in magnetic separation, and ball-grinding machine comprises ball milling cylinder, homotype abrading-ball, middle-end spout hole, front end support device and power set;
Described aggregate screening system comprises rotary screen, fine aggregate storage bin hopper, coarse aggregate discharge gate and rear end support device.
As further technical scheme, described jaw crushing instrument has the discharging opening of adjustable dimension, and the adjustable extent of discharging opening size is 40-120mm.
As further technical scheme, described ramp type feed tank is comprised of 3-5 piece swash plate.
As further technical scheme, in the magnetic separation of described magnetic plant, ring is 360 ° of magnetic annulus, and in described scraper plate and magnetic separation, the contact position of ring is the top of ring in magnetic separation.
As further technical scheme, in described ball-grinding machine, the diameter range of homotype abrading-ball is 35-119mm, and the diameter of homotype abrading-ball is than the little 1-5mm of size of jaw crushing instrument discharging opening.
As further technical scheme, described middle-end spout hole, between ball milling cylinder and rotary screen, has grid in middle-end spout hole, and the aperture of grid is 30-100mm, and the aperture of grid is less than the diameter of homotype abrading-ball.
As further technical scheme, the rotary screen of described aggregate screening system is 1-3 level, and the screen-aperture of rotary screen is 5-80mm.
During apparatus of the present invention operation, block irregular building waste is broken into the combination construction rubbish of greater particle size through jaw crushing instrument, combination construction rubbish evenly slips into ball milling cylinder under shock effect through multistage sloping plate, in the magnetic separation that metal that wherein can magnetic separation is rotated, endless belt is scraped into hopper by scraper plate to peak, and is transferred band and delivers to outside device.Other building wastes continue to be tilted to down, the rule space that is slightly less than combination construction rubbish providing between homotype abrading-ball in ball milling cylinder preferentially the soft composition in attrition crushing building waste to powdery, high rigidity composition is difficult for pulverizing, and is only broken into fritter.Pulverize and break after combination construction rubbish in certain inclination angle A(scope, be 5-30 °) cylinder in pass through middle-end spout hole and enter rotary screen, in multi-stage rotary screen, be screened into fine aggregates at different levels, through bottom fine aggregate storage bin hopper, discharge, unsized combination construction rubbish is discharged through afterbody discharge gate as the coarse aggregate of high-quality.Certain inclination angle of cylinder and rotary screen by former and later two bracing or strutting arrangement with pulley adjust, middle part is with cogged heavy-duty motor to provide power for it.
Apparatus of the present invention have following beneficial effect:
(1) utilize this device to take loose composition while being that main building waste carries out pre-grinding classification, the soft composition in building waste is all by fully grinding and screening; To take hard composition while being that main building waste carries out pre-grinding classification, soft composition is all peeled off grinding preferably, and the hardness of gained coarse aggregate is consistent, and quality is higher.
(2) in crushing and grinding, realize the magnetic separation to most of metal, realize the maximization of resource sorting.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is apparatus of the present invention cylinder side sectional view.
In figure: 1, disintegrating apparatus; 2, ball-grinding machine; 3, feed hopper; 4, jaw crushing instrument; 5, ramp type feed tank; 6, swash plate; 7, ring in magnetic separation; 8, scraper plate; 9, hopper; 10, conveyer belt; 11, ball milling cylinder; 12, homotype abrading-ball; 13, middle-end spout hole; 14, front end support device; 15, power set; 16 grids; 17, rotary screen; 18, fine aggregate storage bin hopper; 19, coarse aggregate discharge gate; 20, rear end support device.
The specific embodiment
Embodiment 1
The pre-grinding sorting unit of a kind of building waste as shown in Figure 1, comprises building waste grinding separation system and aggregate screening system.Building waste grinding separation system comprises disintegrating apparatus 1, magnetic plant and ball-grinding machine 2, and disintegrating apparatus 1 comprises feed hopper 3, jaw crushing instrument 4 and ramp type feed tank 5.Ramp type feed tank 5 is comprised of 3-5 piece swash plate 6, guarantees that broken building waste at the uniform velocity enters in ball-grinding machine 2.Jaw crushing instrument 4 has the discharging opening of adjustable dimension, and the adjustable extent of discharging opening size is 40-120mm.Magnetic plant comprises ring 7, scraper plate 8, hopper 9 and conveyer belt 10 in magnetic separation.In the magnetic separation of magnetic plant, ring 7 is 360 ° of magnetic annulus, and scraper plate 8 is the top of ring 7 in magnetic separation with the contact position of the interior ring 7 of magnetic separation.Ball-grinding machine 2 comprises ball milling cylinder 11, homotype abrading-ball 12, middle-end spout hole 13, front end support device 14 and power set 15.In ball-grinding machine 2, the diameter range of homotype abrading-ball 12 is 35-119mm, and the diameter of homotype abrading-ball 12 is than the little 1-5mm of size of jaw crushing instrument 4 discharging openings.The material of homotype abrading-ball 12 is generally cast iron or iron and steel, and its diameter is determined according to the fineness of aggregate of the required classification of reality, and homotype abrading-ball refers to the abrading-ball that diameter is identical.Middle-end spout hole 13 is between ball milling cylinder 11 and rotary screen 17.As shown in Figure 2, have grid 16 in middle-end spout hole 13, the aperture of grid 16 is 30-100mm, and the aperture of grid 16 is less than the diameter of homotype abrading-ball 12.Aggregate screening system comprises rotary screen 17, fine aggregate storage bin hopper 18, coarse aggregate discharge gate 19 and rear end support device 20.The rotary screen 17 of aggregate screening system is 1-3 level, and the screen-aperture of rotary screen 17 is 5-80mm.Following table is that rotary screen 17 sieve apertures are joined type table:
| Roller screen progression | 5mm | 40mm | 80mm |
| 1 grade | √ | ? | ? |
| 2 grades | √ | √ | ? |
| 3 grades | √ | √ | √ |
During apparatus of the present invention operation, the irregular building waste of bulk is first broken into the combination construction rubbish of greater particle size by jaw crushing instrument 4, combination construction rubbish evenly slips into ball milling cylinder 11 under shock effect through multistage sloping plate 6, metal that wherein can magnetic separation is encircled 7 and by scraper plate 8, is scraped and enter hopper 9 after bringing to peak in the magnetic separation of rotating along with ball milling cylinder 11, and is transferred and is with 10 to deliver to outside device.Other building wastes continue to be tilted to down, and preferentially the soft composition in attrition crushing building waste is to powdery for the rule space that is slightly less than combination construction rubbish between the homotype abrading-ball 12 in ball milling cylinder 11, and high rigidity composition is difficult for pulverizing, and is only broken into fritter.Pulverize and break after the ball milling cylinder 11 of combination construction rubbish at certain inclination angle interiorly through middle-end spout hole 13, enter multi-stage rotary screen 17, in multi-stage rotary screen 17, be screened into fine aggregates at different levels, through bottom fine aggregate storage bin hopper 18, discharge, unsized combination construction rubbish is discharged through afterbody coarse aggregate discharge gate 19 as the coarse aggregate of high-quality.Certain inclination angle A of ball milling cylinder 11 and multi-stage rotary screen 17 is adjusted by the front supporting device 14 with pulley and rear end support device 20, and the power set 15 that middle part has with gear heavy-duty motor provide power for it.
Adopting said apparatus and flow process is main building waste while carrying out pre-grinding sorting to take loose composition, and jaw crushing instrument 4 nesting population sizes are adjusted into 40mm, and the material of homotype abrading-ball 12 is cast iron, and diameter is 35mm, cylinder slope A=5 °.Combination construction rubbish after 4 fragmentations of jaw crushing instrument is subject to the strong extruding grinding of homotype abrading-ball 12 by middle-end spout hole 13(aperture 30mm) enter rotary screen 17, the progression of rotary screen 17 is decided to be 1 grade, aperture is respectively 5mm, and 2 grades of aggregate sizes and mass ratio after pre-grinding sorting are respectively 0-5mm(60%) and 5-40mm(40%).
Utilize said apparatus and flow process to take hard composition while being that main building waste carries out pre-grinding sorting, jaw crushing instrument 4 nesting population sizes are adjusted into 120mm, the material of homotype abrading-ball 12 is cast iron, diameter is 119mm, the strong extruding grinding that cylinder slope A=30 ° of combination construction rubbish after 4 fragmentations of jaw crushing instrument is subject to homotype abrading-ball 12 is by middle-end spout hole 13(aperture 100mm) enter rotary screen 17, the progression of rotary screen 17 is decided to be 3 grades, aperture is respectively 5mm, 40mm and 80mm, 4 grades of aggregate sizes and mass ratio after pre-grinding sorting are respectively 0-5mm(5%), 5-40mm(15%), 40-80mm(30%) and 80-120mm(50%).
User can, according to the hard composition of building waste, rationally adjust the parameter of each parts.
Claims (7)
1. the pre-grinding sorting unit of building waste, comprises building waste grinding separation system and aggregate screening system, it is characterized in that:
Described building waste grinding separation system comprises disintegrating apparatus (1), magnetic plant and ball-grinding machine (2), disintegrating apparatus (1) comprises feed hopper (3), jaw crushing instrument (4) and ramp type feed tank (5), magnetic plant comprises ring (7), scraper plate (8), hopper (9) and conveyer belt (10) in magnetic separation, and ball-grinding machine (2) comprises ball milling cylinder (11), homotype abrading-ball (12), middle-end spout hole (13), front end support device (14) and power set (15);
Described aggregate screening system comprises rotary screen (17), fine aggregate storage bin hopper (18), coarse aggregate discharge gate (19) and rear end support device (20).
2. the pre-grinding sorting unit of a kind of building waste according to claim 1, is characterized in that: described jaw crushing instrument (4) has the discharging opening of adjustable dimension, and the adjustable extent of discharging opening size is 40-120mm.
3. the pre-grinding sorting unit of a kind of building waste according to claim 1, is characterized in that: described ramp type feed tank (5) has 3-5 piece swash plate (6) to form.
4. the pre-grinding sorting unit of a kind of building waste according to claim 1, it is characterized in that: in the magnetic separation of described magnetic plant, ring (7) is 360 ° of magnetic annulus, described scraper plate (8) is the top of ring (7) in magnetic separation with the contact position of the interior ring of magnetic separation (7).
5. the pre-grinding sorting unit of a kind of building waste according to claim 1, it is characterized in that: in described ball-grinding machine (2), the diameter range of homotype abrading-ball (12) is 35-119mm, and the diameter of homotype abrading-ball (12) is than the little 1-5mm of size of jaw crushing instrument (4) discharging opening.
6. the pre-grinding sorting unit of a kind of building waste according to claim 1, it is characterized in that: described middle-end spout hole (13) is between ball milling cylinder (11) and rotary screen (17), in middle-end spout hole (13), there is grid (16), the aperture of grid (16) is 30-100mm, and the aperture of grid (16) is less than the diameter of homotype abrading-ball (12).
7. the pre-grinding sorting unit of a kind of building waste according to claim 1, is characterized in that: the rotary screen of described aggregate screening system (17) is 1-3 level, and the screen-aperture of rotary screen (17) is 5-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575954.0A CN103611718A (en) | 2013-11-18 | 2013-11-18 | Construction waste pre-grinding and sorting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575954.0A CN103611718A (en) | 2013-11-18 | 2013-11-18 | Construction waste pre-grinding and sorting device |
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| CN103611718A true CN103611718A (en) | 2014-03-05 |
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| CN201310575954.0A Pending CN103611718A (en) | 2013-11-18 | 2013-11-18 | Construction waste pre-grinding and sorting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174928A (en) * | 2017-07-03 | 2019-01-11 | 马鞍山福来伊环保科技有限公司 | A kind of operating method being recycled construction waste equipment |
| CN110090705A (en) * | 2019-05-21 | 2019-08-06 | 绍兴凤登环保有限公司 | A kind of hazardous waste breaks bucket pretreatment unit and its application method |
| CN110523480A (en) * | 2019-10-09 | 2019-12-03 | 攀钢集团矿业有限公司 | A kind of more grade mineral draft machines |
| CN111014187A (en) * | 2020-03-10 | 2020-04-17 | 中建西部建设湖南有限公司 | Recycled coarse aggregate surface adhesion aging mortar separation device |
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| US3078050A (en) * | 1960-01-08 | 1963-02-19 | Hardinge Harlowe | Autogenous grinding process and mill systems to perform the same |
| US3231203A (en) * | 1962-01-29 | 1966-01-25 | Koppers Co Inc | Grinding mill and process |
| SU1553179A1 (en) * | 1988-05-20 | 1990-03-30 | Криворожский горнорудный институт | Magnetic separator |
| CN201295637Y (en) * | 2008-11-11 | 2009-08-26 | 广州有色金属研究院 | High gradient magnetic separator |
| CN103240156A (en) * | 2013-04-24 | 2013-08-14 | 长春奥瑞投资管理有限公司 | Garbage crushing system and garbage crushing method |
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2013
- 2013-11-18 CN CN201310575954.0A patent/CN103611718A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3078050A (en) * | 1960-01-08 | 1963-02-19 | Hardinge Harlowe | Autogenous grinding process and mill systems to perform the same |
| US3231203A (en) * | 1962-01-29 | 1966-01-25 | Koppers Co Inc | Grinding mill and process |
| SU1553179A1 (en) * | 1988-05-20 | 1990-03-30 | Криворожский горнорудный институт | Magnetic separator |
| CN201295637Y (en) * | 2008-11-11 | 2009-08-26 | 广州有色金属研究院 | High gradient magnetic separator |
| CN103240156A (en) * | 2013-04-24 | 2013-08-14 | 长春奥瑞投资管理有限公司 | Garbage crushing system and garbage crushing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174928A (en) * | 2017-07-03 | 2019-01-11 | 马鞍山福来伊环保科技有限公司 | A kind of operating method being recycled construction waste equipment |
| CN110090705A (en) * | 2019-05-21 | 2019-08-06 | 绍兴凤登环保有限公司 | A kind of hazardous waste breaks bucket pretreatment unit and its application method |
| CN110090705B (en) * | 2019-05-21 | 2024-03-15 | 绍兴凤登环保有限公司 | Dangerous waste barrel breaking pretreatment device and use method thereof |
| CN110523480A (en) * | 2019-10-09 | 2019-12-03 | 攀钢集团矿业有限公司 | A kind of more grade mineral draft machines |
| CN111014187A (en) * | 2020-03-10 | 2020-04-17 | 中建西部建设湖南有限公司 | Recycled coarse aggregate surface adhesion aging mortar separation device |
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Application publication date: 20140305 |