CN105107571B - A kind of energy-efficient concrete aggregate production line and its production method - Google Patents
A kind of energy-efficient concrete aggregate production line and its production method Download PDFInfo
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- CN105107571B CN105107571B CN201510516171.4A CN201510516171A CN105107571B CN 105107571 B CN105107571 B CN 105107571B CN 201510516171 A CN201510516171 A CN 201510516171A CN 105107571 B CN105107571 B CN 105107571B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000000428 dust Substances 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims description 17
- 239000004575 stone Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 claims 1
- 239000012141 concentrate Substances 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011031 large scale production Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001737 promoting Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The present invention relates to a kind of energy-efficient concrete aggregate production line, the disintegrating machine receiving opening, plate-type feeding, weight impact breaker, elevator and primary vibration sieve are sequentially connected, the primary vibration sieve is provided with material outlet and the outlet of one-level fines in the outlet of one-level coarse fodder, one-level, and three outlets are connected with disintegrating machine, the first feed bin respectively to be connected with secondary vibration sieve；The secondary vibration sieve is provided with material outlet and the outlet of two level fines in the outlet of two level coarse fodder, two level, and three outlets are connected with the second feed bin, the 3rd feed bin and the 4th feed bin respectively.The optimization prioritization scheme that the present invention has been selected high capacity crusher, has been arranged in using elevator conveying and screening machine at the top of feed bin, significantly simplify flow, drastically reduce the area equipment number of units and airborne dust points, employ DCS concentrate Automatic Control scheme so that the present invention it is energy-efficient have employment it is few, take up an area less, investment support, low power consumption and other advantages.
Description
Technical field
The present invention relates to material processing field, specifically, is related to a kind of production line of energy-efficient concrete aggregate
And its production method.
Background technology
Sandstone industry present situation still based on non-large-scale production still.Change strategy promoting new " industry-information-industry "
Develop under new background, sandstone industry is mainly reflected in following from country to the serial policy regulation direction of the intensive appearance in place
Aspect：First, scale chemical conversion main flow.2nd, greenization is direction.3rd, mechanism sandstone is main power.4th, premised on exploitation legitimate.
5th, industry chemical conversion trend.Industry closes down speed quickening to polluting larger small-sized aggregate line rectification in this context.
And existing small-sized pollution aggregate line：Production capacity is low, high energy consumption.Do not gather dust facility, and environmental pollution is serious；
Existing scale environment-friendly type aggregate production line：At present in the aggregate line for designing or going into operation, due to using two-stage crushing, breaking
Broken machine, vibratory sieve are entirely in ground configuration, and each link is using belt feeder conveying material, belt feeder and belt porch more (general one
Bar production line is furnished with more than 10), airborne dust point is more, and corresponding dust-precipitator is more (more than 12), although avoiding the dirt to environment
Dye, but its complex process, it is less efficient.
The content of the invention
The present invention provides a kind of production line and its production method of energy-efficient concrete aggregate, technology to be solved
The problem of problem is that existing aggregate production line high energy consumption, environmental pollution are serious and the complicated floor space of equipment is big.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
The present invention provides a kind of energy-efficient concrete aggregate production line, and the energy-efficient concrete is produced with aggregate
Line includes disintegrating machine receiving opening, feeding machine, disintegrating machine, elevator, primary vibration sieve, secondary vibration sieve, the first feed bin, the second material
Storehouse, the 3rd feed bin, the 4th feed bin and dust-precipitator, disintegrating machine receiving opening, feeding machine, disintegrating machine, elevator and the primary vibration
Sieve is sequentially connected, wherein,
The primary vibration sieve is provided with material outlet and one-level fines in the outlet of one-level coarse fodder, one-level and exports three outlets,
The one-level coarse fodder outlet is connected with feeding machine, and material is exported and is connected with the first feed bin in the one-level, the one-level fines
Outlet is connected with secondary vibration sieve；
The secondary vibration sieve is provided with material outlet and two level fines in the outlet of two level coarse fodder, two level and exports three outlets,
The two level coarse fodder outlet is connected with the second feed bin, and material is exported and is connected with the 3rd feed bin in the two level, and the two level is thin
Material outlet is connected with the 4th feed bin；
The dust-precipitator is provided with dust inlet and dust export, the primary vibration sieve, secondary vibration sieve and the 3rd material
Pipeline is equipped with storehouse, the dust inlet of pipeline and dust-precipitator on primary vibration sieve, secondary vibration sieve and the 3rd feed bin
It is connected, the dust export of the dust-precipitator is connected with the 4th feed bin；
The present invention use ultrashort flow scheme, significantly simplify flow, reduce equipment number of units and airborne dust points.
Preferably, the primary vibration sieve is connected by the chute sealed with the first feed bin；The secondary vibration sieve is logical
The chute for crossing sealing is connected with the second feed bin；The secondary vibration sieve is connected by the chute sealed with the 3rd feed bin；Institute
State secondary vibration sieve be connected by closed chute with the 4th feed bin, vibratory sieve be arranged on the top of feed bin and by chute according to
Material flow is entered in feed bin by gravity, both reduced the floor space of whole equipment, saved conveying equipment again, avoided the energy
Waste.
Preferably, the one-level fines outlet is connected by inclination angle belt conveyor feeding mouth with secondary vibration sieve, so as to
The distance between two screening machines are shortened, reduce the floor space of whole equipment.
Preferably, first feed bin, the second feed bin, the 3rd feed bin and the 4th feed bin are square feed bin, described square
Feed bin is between the concrete frame surrounded with steel plate or concrete walls, and feed bin volume is the Proportionality design according to four kinds of aggregate amounts
, the scheme ratio designed with four kinds of aggregates of plain edition with same volume, improve the utilization rate of feed bin.The square feed bin
The ventilating opening of insertion is left on feed bin inwall so that four feed bins are only gathered dust with one outlet.
Preferably, the lower end of first feed bin, the second feed bin, the 3rd feed bin and the 4th feed bin be respectively arranged with it is telescopic under
There is electronic loadometer in material mouth, with the ground of the feed opening correspondence position, the feed opening can realize automatic blanking entrucking,
So as to facilitate the follow-up use of material, save manually, improve efficiency.
Preferably, the elevator is provided with charging aperture, and the charging aperture is equipped with slide valve, when elevator and follow-up vibration
When sieving failure stop jumping, the slide valve is closed automatically, and disintegrating machine is killed to prevent material flow from entering disintegrating machine, avoids artificial clear material
Work.
Preferably, the elevator is board chain hoisting machine；The feeding machine is plate-type feeding；The disintegrating machine is weight
Impact breaker；The motor of the weight impact breaker is energy-saving permanent magnet motor；The dust-precipitator is joint
Dust-precipitator, the energy-saving permanent magnet motor of energy-efficient weight impact breaker and disintegrating machine is employed, reduces the whole series
The energy consumption of equipment, make its more energy-conserving and environment-protective.The high-efficiency and energy-saving type weight impact breaker, the disintegrating machine can take
For medium-sized three disintegrating machines, its installed power is only the 50% of three disintegrating machines of plain edition, the permanent magnetism that the disintegrating machine is equipped with
Motor efficiency is high and is directly connected to crusher shaft, and the motor than routine can improve efficiency more than 20%.
Preferably, the energy-efficient concrete with aggregate production line, including Distributed Control System, (i.e. automatically control by DCS
System) and multiple monitoring cameras, wherein, the Distributed Control System for control disintegrating machine receiving opening, feeding machine, disintegrating machine,
Elevator, primary vibration sieve, secondary vibration sieve, the first feed bin, the second feed bin, the 3rd feed bin, the 4th feed bin, dust-precipitator, blanking
Mouth and monitoring camera；The multiple monitoring camera is respectively used to monitor disintegrating machine receiving opening, feeding machine, disintegrating machine, lifting
Machine, primary vibration sieve, secondary vibration sieve, the first feed bin, the second feed bin, the 3rd feed bin, the 4th feed bin, dust-precipitator and feed opening,
Thus production efficiency can be improved in each production link of control room overall monitor, saved artificial.
Screening machine is arranged at the top of feed bin and using elevator by the energy-efficient concrete of the present invention with aggregate production line
Scheme：It is to be slipped to using scraper-trough conveyer in feed bin or equipment that six kinds of materials of two screening machine outlets, which have four kinds, without conveying equipment.Adopt
With elevator scheme, one-level screening machine is exported to only with an elevator, so as to drastically reduce the area conveying equipment from disintegrating machine
Number of units, reduce dust collection device number of units, reduce floor space, reduce investment.
A kind of production method of energy-efficient concrete aggregate, step are as follows：
A. the former stone shipped is poured into disintegrating machine receiving opening 1, disintegrating machine 3 is sent into through feeding machine 2,
B. former stone is crushed in disintegrating machine, and primary vibration sieve 5 is sent into the then boosted lifting of machine 4,
C. aggregate is divided into three parts after the screening of primary vibration sieve 5, wherein particle diameter is more than 31.5 millimeters of one-level coarse fodder
Disintegrating machine is transmitted back to by the chute sealed through the outlet of one-level coarse fodder, material is through in one-level in the one-level that particle diameter is 20-31.5 millimeters
Material outlet is sent to the first feed bin by the chute sealed, and remaining first fines is exported through one-level fines and sent by inclination angle belt conveyor
Enter secondary vibration sieve 7；
D. one-level fines is divided into three parts after the screening of secondary vibration sieve 7, and wherein particle diameter is that 10-20 millimeters of two level is thick
Material is sent to the second feed bin 8 through being exported through two level coarse fodder by the chute sealed；Material is through through two in the two level that particle diameter is 5-10 millimeters
Material outlet is sent to the 3rd feed bin 9 by the chute sealed in level；Particle diameter is 0-5 millimeters of two level fines through going out through two level fines
Mouth is sent to the 4th feed bin 10 by closed chute, and so far aggregate is stored in different feed bins according to the size of particle diameter by difference
In.
In addition, the aggregate stored in feed bin can also be by telescopic feed opening automatic loading, when electronic loadometer is shown
When entrucking weight reaches requirement, stop entrucking, it is achieved thereby that automation mechanized operation.
The beneficial effects of the invention are as follows：The present invention is directed to Industry, on the premise of ensureing normally to produce and gather dust, adopts
With ultrashort flow scheme, significantly simplify flow, reduce equipment number of units and airborne dust points, employ energy-efficient weight
Impact breaker and the energy-saving permanent magnet motor of disintegrating machine, employ DCS and concentrate Automatic Control scheme, so that this
Invention it is energy-efficient have employment it is few, take up an area less, investment support, low power consumption and other advantages.
Brief description of the drawings
Fig. 1 is the structural representation of the energy-efficient concrete aggregate production line of the present invention.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, a kind of energy-efficient concrete aggregate production line, including it is disintegrating machine receiving opening 1, feeding machine 2, broken
Broken machine 3, elevator 4, primary vibration sieve 5, secondary vibration sieve the 7, first feed bin 6, the second feed bin 8, the 3rd feed bin 9, the 4th feed bin
10 and dust-precipitator 11, the disintegrating machine receiving opening 1, feeding machine 2, disintegrating machine 3, elevator 4 and primary vibration sieve 5 are sequentially connected,
Wherein,
The primary vibration sieve 5 is provided with material outlet and one-level fines in the outlet of one-level coarse fodder, one-level and exports three outlets,
The one-level coarse fodder outlet is connected with feeding machine 2, and material is exported and is connected with the first feed bin 6 in the one-level, and the one-level is thin
Material outlet is connected with secondary vibration sieve 7；
The secondary vibration sieve 6 is provided with material outlet and two level fines in the outlet of two level coarse fodder, two level and exports three outlets,
The two level coarse fodder outlet is connected with the second feed bin 8, and material is exported and is connected with the 3rd feed bin 9 in the two level, the two level
Fines outlet is connected with the 4th feed bin 10；
The dust-precipitator 11 is provided with dust inlet and dust export, the primary vibration sieve 5, secondary vibration sieve 7 and the
Pipeline is equipped with three feed bins 9, pipeline and dust-precipitator 11 on primary vibration sieve 5, secondary vibration sieve 7 and the 3rd feed bin 9
Dust inlet be connected, the dust export of the dust-precipitator 11 is connected with the 4th feed bin 10.
In addition, the primary vibration sieve 5 is connected by the chute of sealing with the first feed bin 6；The secondary vibration sieve 7 is logical
The chute for crossing sealing is connected with the second feed bin 8；The secondary vibration sieve 7 is connected by the chute of sealing with the 3rd feed bin 9；
The secondary vibration sieve 7 is connected by closed chute with the 4th feed bin 10；
The primary vibration sieve fines outlet is connected by inclination angle belt conveyor with the entrance that secondary vibration is sieved；Described
One feed bin, the second feed bin, the 3rd feed bin and the 4th feed bin are square feed bin, and the square feed bin is with steel plate or concrete walls
Between surrounding concrete frame, the feed bin inwall of the square feed bin is provided with the ventilating opening of insertion；
First feed bin 6, the second feed bin 8, the lower end of the 3rd feed bin 9 and the 4th feed bin 10 are respectively arranged with telescopic blanking
Mouth 12, electronic loadometer 13 is provided with the 12 corresponding ground of feed opening, and the feed opening can realize automatic blanking entrucking,
So as to facilitate the follow-up use of material, save manually, improve efficiency.
Slide valve is provided with the charging aperture of the elevator 4, when elevator and follow-up vibratory sieve failure stop jumping, the flashboard
Valve is closed automatically, and disintegrating machine is killed to prevent material flow from entering disintegrating machine.
The elevator 4 is board chain hoisting machine；The feeding machine 2 is plate-type feeding；The disintegrating machine 3 is struck back for weight
Formula disintegrating machine；The motor of the weight impact breaker is energy-saving permanent magnet motor；The dust-precipitator 11 is received for joint
Dirt device；The high-efficiency and energy-saving type weight impact breaker, the disintegrating machine can substitute medium-sized three disintegrating machines, its
Installed power is only the 50% of three disintegrating machines of plain edition, the permanent magnet motor efficiency height that the disintegrating machine is equipped with and and crusher shaft
It is directly connected to, the motor than routine can improve efficiency more than 20%.
The energy-efficient concrete includes Distributed Control System (i.e. DCS Automatic Controls) and multiple with aggregate production line
Monitoring camera, the Distributed Control System are used to control disintegrating machine receiving opening, feeding machine, disintegrating machine, elevator, primary vibration
Sieve, secondary vibration sieve, the first feed bin, the second feed bin, the 3rd feed bin, the 4th feed bin, dust-precipitator, feed opening and monitoring camera,
The multiple monitoring camera is respectively used to monitor disintegrating machine receiving opening, feeding machine, disintegrating machine, elevator, primary vibration sieve, two
Level vibratory sieve, the first feed bin, the second feed bin, the 3rd feed bin, the 4th feed bin, dust-precipitator and feed opening, thus can be complete in control room
Face monitors each production link, improves production efficiency, has saved artificial.
A kind of production method of energy-efficient concrete aggregate, step are as follows：
A. former stone is poured into disintegrating machine receiving opening 1, disintegrating machine 3 is sent into through plate-type feeding 2,
B. former stone is crushed in disintegrating machine, and primary vibration sieve 5 is sent into the then boosted lifting of machine 4,
C. aggregate is divided into three parts after the screening of primary vibration sieve 5, wherein particle diameter is more than 31.5 millimeters of one-level coarse fodder
Slipped through the outlet of one-level coarse fodder by the chute sealed and be transmitted back to disintegrating machine again into feeding machine 2, particle diameter is the one of 20-31.5 millimeters
Material is exported by big through expecting that outlet is slipped by the chute sealed in one-level into the first feed bin, remaining first fines through one-level fines in level
Inclined angle belt machine is sent into secondary vibration sieve 7；
D. one-level fines is divided into three parts after the screening of secondary vibration sieve 7, and wherein particle diameter is that 10-20 millimeters of two level is thick
Material is slipped into the second feed bin 8 through being exported through two level coarse fodder by the chute sealed；Material is through through two level in the two level that particle diameter is 5-10 millimeters
Middle material outlet is slipped into the 3rd feed bin 9 by the chute sealed；Particle diameter be 0-5 millimeters two level fines through through two level fines outlet by
Closed chute is sent to the 4th feed bin 10, so far different to be stored in aggregate in different feed bins according to the size of particle diameter.
In addition, the aggregate stored in feed bin can also be by telescopic feed opening automatic loading, when electronic loadometer is shown
When entrucking weight reaches requirement, stop entrucking, it is achieved thereby that automation mechanized operation.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (6)
1. a kind of energy-efficient concrete aggregate production line, it is characterised in that including disintegrating machine receiving opening (1), feeding machine
(2), disintegrating machine (3), elevator (4), primary vibration sieve (5), secondary vibration sieve (7), the first feed bin (6), the second feed bin (8),
3rd feed bin (9), the 4th feed bin (10) and dust-precipitator (11), the disintegrating machine receiving opening (1), feeding machine (2), disintegrating machine (3),
Elevator (4) is sequentially connected with primary vibration sieve (5), wherein,
It is thick that the primary vibration sieve (5) is provided with material outlet and the outlet of one-level fines, the one-level in the outlet of one-level coarse fodder, one-level
Material outlet is connected with feeding machine (2), and material exports in the one-level is connected by the chute sealed with the first feed bin (6), institute
The outlet of one-level fines is stated with secondary vibration sieve (7) to be connected；
It is thick that the secondary vibration sieve (7) is provided with material outlet and the outlet of two level fines, the two level in the outlet of two level coarse fodder, two level
Material outlet passes through the chute sealed and is connected with the second feed bin (8), the chute and the 3rd that material outlet passes through sealing in the two level
Feed bin (9) is connected, and the two level fines outlet is connected by the chute sealed with the 4th feed bin (10)；
The dust-precipitator (11) is provided with dust inlet and dust export, the primary vibration sieve (5), secondary vibration sieve (7) and
Pipeline is equipped with 3rd feed bin (9), the pipeline on primary vibration sieve (5), secondary vibration sieve (7) and the 3rd feed bin (9)
It is connected with the dust inlet of dust-precipitator (11), the dust export of the dust-precipitator (11) is connected with the 4th feed bin (10)；
First feed bin (6), the second feed bin (8), the lower end of the 3rd feed bin (9) and the 4th feed bin (10) are respectively arranged with telescopic
Feed opening (12), ground corresponding with the feed opening (12) are provided with electronic loadometer (13)；
The elevator (4) is provided with charging aperture, and slide valve is housed on the charging aperture；
The disintegrating machine (3) is energy-efficient weight impact breaker.
2. according to the energy-efficient concrete aggregate production line described in claim 1, it is characterised in that the one-level fines
Outlet is connected by inclination angle belt conveyor with secondary vibration sieve.
3. according to the energy-efficient concrete aggregate production line described in claim 1, it is characterised in that first material
Storehouse, the second feed bin, the 3rd feed bin and the 4th feed bin are square feed bin, and the square feed bin is to surround concrete with concrete walls
Between framework, the feed bin inwall of the square feed bin is provided with the ventilating opening of insertion.
4. according to the energy-efficient concrete aggregate production line described in claim 1, it is characterised in that the elevator
(4) it is board chain hoisting machine；The feeding machine (2) is plate-type feeding；The motor of the weight impact breaker is energy-conservation
Type permanent magnet motor；The dust-precipitator (11) is joint dust-precipitator.
5. the energy-efficient concrete aggregate production line according to claim any one of 1-4, it is characterised in that also include
Distributed Control System and multiple monitoring cameras, wherein,
The Distributed Control System is used to control disintegrating machine receiving opening (1), feeding machine (2), disintegrating machine (3), elevator (4), one
Level vibratory sieve (5), secondary vibration sieve (7), the first feed bin (6), the second feed bin (8), the 3rd feed bin (9), the 4th feed bin (10), receipts
Dirt device (11), feed opening (12) and monitoring camera；
The multiple monitoring camera is respectively used to monitor disintegrating machine receiving opening (1), feeding machine (2), disintegrating machine (3), elevator
(4), primary vibration sieve (5), secondary vibration sieve (7), the first feed bin (6), the second feed bin (8), the 3rd feed bin (9), the 4th feed bin
(10), dust-precipitator (11) and feed opening (12).
A kind of 6. production method of energy-efficient concrete aggregate, it is characterised in that the energy-efficient concrete aggregate
Production method it is as follows using energy-efficient concrete aggregate production line as described in claim any one of 1-5, step：
A. former stone is poured into disintegrating machine receiving opening (1), disintegrating machine (3) is sent into through feeding machine (2),
B. former stone is crushed in disintegrating machine, and primary vibration sieve (5) is sent into then boosted machine (4) lifting,
C. aggregate is divided into three parts after primary vibration sieves (5) screening, wherein one-level coarse fodder of the particle diameter more than 31.5 millimeters passes through
The outlet of one-level coarse fodder is slipped by the chute sealed and is transmitted back to disintegrating machine again into feeding machine (2), and particle diameter is the one of 20-31.5 millimeters
Material is exported by big through expecting that outlet is slipped by the chute sealed in one-level into the first feed bin, remaining first fines through one-level fines in level
Inclined angle belt machine is sent into secondary vibration sieve (7)；
D. one-level fines is divided into three parts after secondary vibration sieves (7) screening, and wherein particle diameter is 10-20 millimeters of two level coarse fodder
Export through two level coarse fodder and slipped by the chute sealed into the second feed bin (8)；Material in two level through expecting in the two level that particle diameter is 5-10 millimeters
Outlet is slipped into the 3rd feed bin (9) by the chute sealed；The two level fines that particle diameter is 0-5 millimeters is exported by closed through two level fines
Chute be sent to the 4th feed bin (10).
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| CN105536967A (en) * | 2016-01-29 | 2016-05-04 | 郝志付 | Brick and concrete block separation device for construction waste recycling |
| CN105965699B (en) * | 2016-07-01 | 2018-06-22 | 陈更 | A set of concrete production environmental protection equipment and concrete production technology |
| CN106861870B (en) * | 2017-01-22 | 2018-11-13 | 袁亮国 | Sandstone aggregate line and its production method |
| MX2020005743A (en) | 2017-12-04 | 2020-08-13 | Goldcorp Inc | Low energy process for metal extraction. |
| CN108787128A (en) * | 2018-04-26 | 2018-11-13 | 乌海市君正矿业有限责任公司 | A kind of calcium carbide limestone crushing process |
| CN110743687A (en) * | 2019-10-28 | 2020-02-04 | 枣庄泉石工贸有限公司 | Washing manufacturing grading process for building and industrial aggregate |
| CN112827616A (en) * | 2020-12-22 | 2021-05-25 | 江阴市顺通工程机械有限公司 | Vibration screening system |
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| JP3029018B2 (en) * | 1996-12-27 | 2000-04-04 | 株式会社栗本鐵工所 | Combustible waste solid fuel conversion system |
| JP3635242B2 (en) * | 2001-03-26 | 2005-04-06 | 株式会社栗本鐵工所 | Crushed sand production equipment |
| CN202175627U (en) * | 2010-12-08 | 2012-03-28 | 浙江工业大学 | System for preparing concrete aggregate by utilizing waste incineration ash and slag |
| CN202097009U (en) * | 2010-12-30 | 2012-01-04 | 上海建冶机器有限公司 | Sand-making production system for environment-friendly dry-method collector |
| CN102229205B (en) * | 2011-05-20 | 2013-01-09 | 辽宁海诺建设机械集团有限公司 | Continuous controllable dry mixed mortar stirring station |
| CN202147315U (en) * | 2011-07-14 | 2012-02-22 | 中铁三局集团有限公司 | Batch hot mixed bituminous mixture mixer with dual feeding systems |
| CN103157543A (en) * | 2011-12-13 | 2013-06-19 | 洛阳宇航重工机械有限公司 | Alumina crust block crushing process and production line thereof |
| CN103706453A (en) * | 2013-12-27 | 2014-04-09 | 贵州成智重工科技有限公司 | Method and device for independently producing sand by using vertical shaft impact crusher |
| CN103752393B (en) * | 2014-01-21 | 2015-06-03 | 葛洲坝集团第五工程有限公司 | Processing system and method for compatible processing of natural material gravel and artificial hard rock and gravel |
| CN203899710U (en) * | 2014-04-15 | 2014-10-29 | 邳州诚实矿山机械有限公司 | Aggregate production system |
| CN204396123U (en) * | 2014-11-19 | 2015-06-17 | 天津利福特电梯部件有限公司 | Aggregate screening crushing production line |
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