CN106431041B - One kind is construction refuse regenerated to utilize separating technology - Google Patents
One kind is construction refuse regenerated to utilize separating technology Download PDFInfo
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- CN106431041B CN106431041B CN201610785089.6A CN201610785089A CN106431041B CN 106431041 B CN106431041 B CN 106431041B CN 201610785089 A CN201610785089 A CN 201610785089A CN 106431041 B CN106431041 B CN 106431041B
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- 238000005516 engineering process Methods 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 448
- 239000011449 brick Substances 0.000 claims abstract description 67
- 238000012216 screening Methods 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 30
- 230000008569 process Effects 0.000 claims abstract description 24
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 238000005202 decontamination Methods 0.000 claims abstract description 5
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 7
- 230000008929 regeneration Effects 0.000 abstract description 7
- 238000011069 regeneration method Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000011456 concrete brick Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- -1 wooden unit Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
- C04B18/167—Recycled materials, i.e. waste materials reused in the production of the same materials
-
- 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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Construction refuse regenerated separating technology is utilized the present invention relates to a kind of, it is used to separate the mixed material in building waste to obtain single material, it exports the first material, second material and dregs of acquisition the following steps are included: S1, the primary breakup processing of mixed material respectively；S2, the primary sorting of mixed material；S3, the decontamination processing of first material；S4, the broken of first material, screening process；S5, secondary sorting.It has the advantages that efficient, environmental protection, energy conservation and high production efficiency, the separating effect of brick and concrete can be greatlyd improve, the readily available higher concrete material of purity, so as to improve the utilization rate of resource using the concrete material isolated as the aggregate of regeneration concrete.
Description
Technical field
The present invention relates to building waste processing technology field, more particularly to a kind of construction refuse regenerated utilize separating technology.
Background technique
" urban building waste " is mainly by following 4 kinds at being grouped as: 1, brick concrete mixture, 2, relatively large dregs, and 3, a small amount of
The light impurity such as sawdust, clothing, 4, the sundries such as a small amount of steel being wrapped in concrete.
Existing " urban building waste " processing technique scheme: mainly using Convergency fracturing, the processing mode of classification, to brick
Block, concrete and light object do disposed of in its entirety.All building wastes mix concentration and are sent into feeding warehouse by forklift.By
" oscillating feeder " carries out even feed, is sent directly into " jaw crusher ".Through " jaw crusher " broken material
It is delivered to " impact breaker " by " belt type conveyer ", while carrying out once removing iron on " belt type conveyer "；Through " anti-
The broken material of impact crusher " is delivered to " circular shale shaker " by " belt type conveyer ", while at " belt type conveyer "
Upper progress is secondary to remove iron.By twice be crushed after, material by " circular shale shaker " carry out material gradation, formed it is available at
Product.
Above-mentioned " urban building waste " processing technique scheme is centralized processing mode, prevents effective resource from according to it
Feature is effectively utilized.The waste of resource and the pollution of environment are caused to a certain extent.Such as: brick and coagulation
Soil mixes centralized processing, can only be used as roadbed and bed course, economic benefit is limited, and raw material availability is lower.And object
Sundries in material, such as wooden unit, plastics light materials can be also blended on a large scale inside finished product materials, caused to surface soil secondary
Pollution.
Summary of the invention
To overcome above-mentioned technical problem of the existing technology, the present invention provides a kind of construction refuse regenerated utilize to separate
Technique carries out classification processing to building waste, effectively increases the pure of " recycled aggregate " according to the different purposes of different material
Degree and grade.
The technical scheme to solve the above technical problems is that one kind is construction refuse regenerated to utilize separating technology,
For separating the mixed material in building waste to obtain single material comprising following steps:
S1, the primary breakup processing of mixed material
Mixed material is subjected to break process, exports broken mixed material；
S2, the primary sorting of mixed material
Broken mixed material is subjected to brick and mixes sorting process, sorting is at first material, second material and dregs, respectively
Export first material, second material and the dregs obtained；
S3, the decontamination processing of first material
The light materials in first material are removed, the first material after obtaining removal impurity；
S4, the broken of first material, screening process
(a) first material after impurity will be removed to be delivered to the first crusher and be crushed, and by broken first object
Material is delivered to the first screening plant and is sieved, and obtains first and sieves thin material under upper rough material and the first sieve；
(b) thin material under the first sieve is delivered to the second screening plant to sieve, obtains the first thin material, the second thin object
Material and the thin material of third；The partial size of the thin material of partial size < third of the thin material of partial size < second of first thin material therein；
S5, secondary sorting
The second of acquisition thin material is subjected to the mixed sorting of secondary brick, obtains the material of brick and concrete material.
The beneficial effects of the present invention are: it is provided by the invention construction refuse regenerated using separating technology, there is efficient, ring
The advantages of guarantor, energy conservation and high production efficiency, the separating effect of brick and concrete can be greatlyd improve, readily available purity is higher
Concrete material, so as to improve the utilization rate of resource using the concrete material isolated as the aggregate of regeneration concrete.
Further, the step S2 specifically includes the following steps:
Broken mixed material is delivered to grizzly feeder by S2-1, and the rod gap through grizzly feeder is isolated
Dregs, and export unsegregated first material and second material；
The mixture of unsegregated first material and second material is delivered to brick and mixes seperator by S2-2, implements mixed point of brick
From first material and second material after being separated；
First material after separation is crushed, except iron is handled by S2-3；And the second material after separation is crushed
Processing.
Based on the above technical solution, the present invention can also be improved as follows.
Further, in the step (a) and (b) between it is further comprising the steps of:
(a1) upper rough material returning charge to first crusher is sieved by first to be crushed again, and sieve through described first
Device is sieved, and is obtained first size and is sieved thin material under upper rough material and the first sieve；
(a2) first size is sieved into upper rough material returning charge to first crusher is crushed again again, and through described the
One screening plant is sieved, and is obtained the second size and is sieved thin material under upper rough material and the first sieve；
(a3) the second size is sieved into upper rough material returning charge to first crusher is crushed again again, and through described the
One screening plant is sieved, and is obtained third size and is sieved thin material under upper rough material and the first sieve；
It successively handles, until obtained material is thin material under the first sieve.
Beneficial effect using above-mentioned further scheme is: being carried out repeatedly by the way that partial size biggish first is sieved upper rough material
It is broken, until the material obtained is thin material under the first sieve, i.e., upper rough material is sieved by first and be broken for partial size smaller first
Thin material under sieve, it is readily available it is more first sieve under thin material, provide more materials for subsequent technique.
It further, further include that thin material under the first sieve is delivered to shaping in the step S4, before the step (b)
Machine carries out the step of broken and shaping.
Beneficial effect using above-mentioned further scheme is: thin material is under the first sieve by being crushed again, after shaping
Cube greatly reduces contained sheet and acicular material.
Further, further comprising the steps of after the step (b) in the step S4:
(c1) the thin material returning charge of third to the trimmer is subjected to broken and shaping again, and by second screening
Device screening, obtains the first thin material, the second thin material and the thin material of first size；The partial size < of first thin material therein
The partial size of the thin material of partial size < first size of two thin materials；
(c2) the thin material returning charge of first size to the trimmer is subjected to broken and shaping again, and passes through described second
Screening plant screening, obtains the first thin material, the second thin material and the thin material of the second size；The partial size of first thin material therein
The partial size of the thin material of the second size of partial size < of the thin material of < second；
(c3) the thin material returning charge of the second size to the trimmer is subjected to broken and shaping again, and passes through described second
Screening plant screening, obtains the first thin material, the second thin material and the thin material of third size；The partial size of first thin material therein
The partial size of the thin material of partial size < third size of the thin material of < second；
It successively handles, until material obtained is the first thin material and the second thin material.
Beneficial effect using above-mentioned further scheme is: the thin material of the biggish third of partial size is passed through multiple broken acquisitions
The thin material of partial size smaller first and the second thin material, the first thin material therein are delivered to corresponding material heap, and the second thin object
Material continues secondary sorting, obtains the material of brick and concrete material.
It further, further include the processing step that the concrete material of acquisition is carried out to packet slurry removal after the step S5.
Beneficial effect using above-mentioned further scheme is: because mixing the concrete material obtained after sorting process by secondary brick
Surface also include a large amount of dust and packet slurry, need further remove concrete material show packet slurry, coagulation after treatment
The purity of earth material is higher, can enter the material heap of high-quality recycled aggregate, in case later use.
Further, the described first partial size for sieving upper rough material is 40~50mm, and the partial size of thin material is 0 under first sieve
~40mm；The partial size of the first thin material is 0~10mm, and the partial size of the second thin material is 10~25mm, the third
The partial size of thin material is 25~40mm.
Further, first crusher is jaw crusher.
Further, further comprising the steps of after the step S2:
The second material of acquisition is delivered to the second crusher and is crushed by T1, and is delivered to the progress of third screening plant
Screening obtains second and sieves thin material under upper rough material and the second sieve, thin material under the second sieve of output；
T2 sieves upper rough material returning charge to second crusher for second and is crushed again, and sieves by the third
Separating device is sieved, and is obtained third and is sieved thin material under upper rough material and the second sieve, thin material under the second sieve of output；
Third is sieved upper rough material returning charge to second crusher and is crushed again, and sieved by the third by T3
Separating device is sieved, and is obtained the 4th and is sieved thin material under upper rough material and the second sieve, thin material under the second sieve of output；
It successively handles, until the material obtained is thin material under the second sieve, and exports thin material under the second sieve.
Beneficial effect using above-mentioned further scheme is: second material being carried out broken, screening repeatedly, obtains partial size
Thin material under smaller, higher second sieve of purity, is delivered to corresponding material heap for thin material under the second sieve, so as to subsequent sharp again
With.
Further, the described second partial size for sieving upper rough material is 20~50mm, and the partial size of thin material is under second sieve
Less than 20mm.
Further, second crusher is impact breaker.
Detailed description of the invention
Fig. 1 is the construction refuse regenerated flow chart using separating technology provided in an embodiment of the present invention；
Fig. 2,3 for brick provided by Embodiment 2 of the present invention mix seperator structural schematic diagram.
1- brick mixes seperator, 2- rack, 3- driving device, 4- roller bearing, 5- annular blade, 6- lug, 7- shaft coupling.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.It should be noted that in the absence of conflict, in embodiments herein and embodiment
Feature can be combined with each other.
Embodiment one
As shown in Figure 1, provided in this embodiment construction refuse regenerated using separating technology, being used for will be in building waste
Mixed material is separated to obtain single material comprising following steps:
S1, the primary breakup processing of mixed material
Mixed material is subjected to break process, exports broken mixed material；
S2, the primary sorting of mixed material
Broken mixed material is subjected to brick and mixes sorting process, sorting is at first material, second material and dregs, respectively
Export first material, second material and the dregs obtained；
S3, the decontamination processing of first material
The light materials in first material are removed, the first material after obtaining removal impurity；
S4, the broken of first material, screening process
(a) first material after impurity will be removed to be delivered to the first crusher and be crushed, and by broken first object
Material is delivered to the first screening plant and is sieved, and obtains first and sieves thin material under upper rough material and the first sieve；
(b) thin material under the first sieve is delivered to the second screening plant to sieve, obtains the first thin material, the second thin object
Material and the thin material of third；The partial size of the thin material of partial size < third of the thin material of partial size < second of first thin material therein；
S5, secondary sorting
The second of acquisition thin material is subjected to the mixed sorting of secondary brick, obtains the material of brick and concrete material.
The material of bulk can be processed into partial size in 400mm block material below by the primary breakup processing of mixed material,
And isolate part dregs；By broken mixed material carry out brick mix sorting process, by mixed material be separated into first material,
Second material and dregs, first material therein are concrete, and second material is brick, allow to contain on a small quantity in concrete
Brick allows in brick to contain a small amount of concrete.The dregs isolated enters miscellaneous earth material heap；The second material isolated, i.e. brick
Material can be fed directly to material of brick material heap, in case subsequent recycling, can also be used subsequent treatment process, such as broken, screening etc.
Reason, obtains the material of brick of appropriate particle size, facilitates subsequent recycling；The concrete material isolated can further pass through the work of step S3
Skill process removes the impurity in concrete material, such as can be by light materials sorting device by wooden unit, the plastics etc. in concrete material
Light materials are sorted, its secondary pollution to soil is avoided.Concrete material after removing impurity then passes through step S4's
Treatment process, i.e., by the treatment process of broken, screening and the mixed sorting of secondary brick, it is final obtain the higher concrete material of purity and
A part of material of brick.Wet granulate separating method can be used in the mixed sorting of the secondary brick of step S5 wherein, i.e., using water as medium, according to the
The density of brick and concrete is different in two thin materials, density it is big be located at lower layer, density it is small be located at upper layer, so as to by second
Brick and concrete separation in thin material, and then obtain the higher material of brick of purity and concrete material.
The material of brick sub-elected can be transported to material of brick material heap, can be used for making regeneration brick, furring tile, pavement brick or azulejo
Equal tile products；The concrete material sub-elected is transported to concrete material material heap, can be used for quotient and fastens processing, roadbed place mat or build a bridge, from
And the diversification utilization of building waste is realized, greatly improve the consumption rate of building waste.
Embodiment two
It is provided in this embodiment construction refuse regenerated to give step on the basis of example 1 using separating technology
The mixed isolated selection process process of brick, specific as follows in rapid S2.
Broken mixed material is delivered to grizzly feeder by S2-1, and the rod gap through grizzly feeder is isolated
Dregs, and export the mixture of unsegregated first material and second material；
The mixture of unsegregated first material and second material is delivered to brick and mixes seperator by S2-2, implements mixed point of brick
From first material and second material after being separated；
First material after separation is crushed, except iron is handled by S2-3；And the second material after separation is crushed
Processing.
It is transported to grizzly feeder through the broken mixed material of step S1, through between rod each in grizzly feeder
Gap is separated by dregs.The mixture of unsegregated first material and second material is then delivered to brick and mixes seperator, implements
The mixed separation of brick, first material and second material after being separated.
The structure of the prior art can be used in grizzly feeder therein, and details are not described herein.As shown in Figure 2,3, therein
It includes rack 2, the driving device 3 being set in the rack 2 and roller bearing 4 that brick, which mixes seperator 1,；The roller bearing 4 be it is multiple, it is multiple
The interval of roller bearing 4 setting, the driving device 3 is connect with the roller bearing 4 by shaft coupling 7, for driving the roller bearing 4 to revolve
Turn；Radial direction on the outer wall of the roller bearing 4 along the roller bearing 4 is arranged at intervals with multiple annular blades 5；The annular blade
5 peripheries for surrounding 4 outer wall of roller bearing are arranged.The outer peripheral surface of the annular blade 5 therein is arranged at intervals with multiple lugs
6, the lug 6 extends to the direction far from 5 outer peripheral surface of annular blade.
Seperator is mixed using the brick, the mixture of unsegregated first material and second material is subjected to the mixed separation of brick, and will
First material after separation is delivered to crusher and is crushed, and using iron remover removal first material in reinforcing bar, convenient for into
The subsequent processing of row；And the second material after separation is subjected to break process, it is convenient for subsequent processing.
It is provided in this embodiment it is construction refuse regenerated utilize separating technology, using grizzly feeder, brick mix seperator and
Iron remover has carried out preliminary separation, coarse crushing to broken mixed material, except the processing such as reinforcing bar are obtained using concrete as principal component
First material, using brick as the second material of principal component and dregs, it is preferable that above-mentioned treatment process through this embodiment, separation
The partial size of first material afterwards is 0-80mm, and the partial size of second material is 0-80mm.
Embodiment three
It is provided in this embodiment construction refuse regenerated using separating technology, in addition to two institute of embodiment one or embodiment
It further include following process engineering except the technical process of description.
Wherein first material, the i.e. subsequent processing of concrete material in addition to comprising above-mentioned steps S3, S4, S5, further include with
Lower treatment process.
It is further comprising the steps of between in the step (a) and (b):
(a1) upper rough material returning charge to first crusher is sieved by first to be crushed again, and sieve through described first
Device is sieved, and is obtained first size and is sieved thin material under upper rough material and the first sieve；
(a2) first size is sieved into upper rough material returning charge to first crusher is crushed again again, and through described the
One screening plant is sieved, and is obtained the second size and is sieved thin material under upper rough material and the first sieve；
(a3) the second size is sieved into upper rough material returning charge to first crusher is crushed again again, and through described the
One screening plant is sieved, and is obtained third size and is sieved thin material under upper rough material and the first sieve；
It successively handles, until obtained material is thin material under the first sieve.
Seperator is mixed through brick and separates broken first material, i.e. concrete material is handled by the decontamination of step S3, is gone
Except the light object in concrete material, and pass through step S4, deimpurity concrete material will be gone to be delivered to the first crusher and carried out brokenly
Broken, the first crusher therein can be jaw crusher, and the granularity of broken material is 0~50mm, which is transported to
First screening plant is sieved, and is obtained first and is sieved thin material under upper rough material and the first sieve, therein first sieves upper rough material
Partial size be 40~50mm, first sieve under thin material partial size be 0~40mm.Under the first sieve that partial size therein is 0~40mm
Thin material can be transported to trimmer and carry out broken and shaping, the sheet in material and acicular material be reduced, so that after shaping
Material be in cube；The upper rough material of the first sieve that partial size therein is 40~50mm is carried out multiple by returning charge to the first crusher
Broken, screening, it is final to obtain the material that partial size is 0~40mm, broken and screening number can be it is primary, can also be it is multiple, it is preceding
Mention is to guarantee the partial size of the material after screening in the range of 0~40mm；Similarly, by this obtain partial size be 0~
The material of 40mm is delivered to trimmer and carries out broken and shaping, the sheet in material and acicular material is reduced, so that after shaping
Material be in cube.Thin material is transported to the second screening plant under the first sieve that partial size after shaping is 0~40mm
It is sieved again, which is a combination sieve, can be the first thin material, second by material screening thin under the first sieve
Thin material and the thin material of third, the partial size of the first thin material therein are 0~10mm, the partial size of the second thin material is 10~
25mm, the partial size of the thin material of third are 25~40mm.Partial size therein contains brick amount for the first thin material of 0~10mm and compares
Greatly, which is delivered to material of brick heap, the second thin material that partial size is 10~25mm then carries out step S5, carries out secondary
The mixed sorting of brick, isolates a part of brick and a part of concrete, and the impurity such as brick contained by the concrete after purification substantially reduce,
For purity 90% or so, concrete material at this time can be used as the aggregate of regeneration concrete.Partial size is the thin object of third of 25~40mm
Material can carry out following steps.
In one of embodiment of the present embodiment, which may also include as follows
Technical process:
It is further comprising the steps of after the step (b) in the step S4:
(c1) the thin material returning charge of third to the trimmer is subjected to broken and shaping again, and by second screening
Device screening, obtains the first thin material, the second thin material and the thin material of first size；The partial size < of first thin material therein
The partial size of the thin material of partial size < first size of two thin materials；
(c2) the thin material returning charge of first size to the trimmer is subjected to broken and shaping again, and passes through described second
Screening plant screening, obtains the first thin material, the second thin material and the thin material of the second size；The partial size of first thin material therein
The partial size of the thin material of the second size of partial size < of the thin material of < second；
(c3) the thin material returning charge of the second size to the trimmer is subjected to broken and shaping again, and passes through described second
Screening plant screening, obtains the first thin material, the second thin material and the thin material of third size；The partial size of first thin material therein
The partial size of the thin material of partial size < third size of the thin material of < second；
It successively handles, until material obtained is the first thin material and the second thin material.
By above-mentioned steps (c1), (c2) and (c3) it is found that partial size is the thin material of third of 25~40mm by returning charge to shaping
Machine and the second screening plant are repeatedly crushed and are sieved respectively, broken and screening number can be it is primary, can also be it is multiple, it is preceding
Mention is to guarantee the partial size of the material after screening in 25mm hereinafter, it is the of 0~10mm that material i.e. after screening, which is partial size,
The second thin material that one thin material and partial size are 10~25mm；Similarly, the partial size this time obtained is the first thin object of 0~10mm
Amount in material containing brick is bigger, is transported to material of brick heap；The second thin material that the partial size that this is obtained is 10~25mm
Step S5 is then carried out, the mixed sorting of secondary brick is carried out, isolates a part of brick and a part of concrete, the concrete after purification
The impurity such as contained brick substantially reduce, and for purity 90% or so, concrete material at this time can be used as the aggregate of regeneration concrete.
Since the surface of the concrete material after purification can need to carry out further to remove packet comprising a large amount of dust and packet slurry
The processing of slurry, i.e., the described step S5 further include the processing step that the concrete material of acquisition is carried out to packet slurry removal later.By packet
The purity for starching the concrete material of removal can reach 95%, and by the part, concrete material is delivered to high-quality recycled aggregate material heap, so as to
Subsequent recycling.
In one of embodiment of the present embodiment, which gives second
The subsequent processes of material, the i.e. subsequent processing of the material of brick specifically includes the following steps:
It is further comprising the steps of after the step S2:
The second material of acquisition is delivered to the second crusher and is crushed by T1, and is delivered to the progress of third screening plant
Screening obtains second and sieves thin material under upper rough material and the second sieve, thin material under the second sieve of output；
T2 sieves upper rough material returning charge to second crusher for second and is crushed again, and sieves by the third
Separating device is sieved, and is obtained third and is sieved thin material under upper rough material and the second sieve, thin material under the second sieve of output；
Third is sieved upper rough material returning charge to second crusher and is crushed again, and sieved by the third by T3
Separating device is sieved, and is obtained the 4th and is sieved thin material under upper rough material and the second sieve, thin material under the second sieve of output；
It successively handles, until the material obtained is thin material under the second sieve, and exports thin material under the second sieve.
By above-mentioned steps T1, T2 and T3 it is found that second material, the i.e. material of brick are conveyed after brick mixes sorting station sorting, is crushed
It is crushed to the second crusher, and is sieved through third screening plant, obtained thin under the upper rough material of the second sieve and the second sieve
Material.Second crusher therein is impact breaker, and the therein second partial size for sieving upper rough material is 20~50mm, second
The partial size of thin material is 0~20mm under sieve, higher containing purity in thin material under the second sieve that partial size therein is 0~20mm
Turn material, material of brick material heap is transported to, so as to subsequent recycling.The upper rough material of the second sieve that partial size therein is 20~50mm is then
Returning charge to the second crusher and third screening plant be crushed again, is sieved, broken and screening number can be it is primary, can also
To be multiple, on condition that the partial size for guaranteeing the material after screening is 0 in the range of 0~20mm, and by the partial size of this acquisition
Thin material is delivered to material of brick material heap under the second sieve of~20mm, so as to subsequent recycling.
It is provided by the invention construction refuse regenerated using separating technology, the different purposes of different material are utilized, to " city
Building waste " is classified processing.And effectively increase the purity and grade of " recycled aggregate ".In addition, by whole work
Skill can realize that original building waste becomes: 1, using high purity regenerated aggregate, 2, brick material heap, 3, iron block steel
Muscle, 4, light substance etc..
Technical matters of the invention, efficient, environmental protection, energy conservation, high production efficiency can greatly improve brick, mixed separation is imitated
The separation of fruit and light substance, and improve the grade of regeneration concrete.
It is provided by the invention it is construction refuse regenerated using separating technology it is separated go out brick material can be applied to road,
Multiple fields, the regeneration concrete blocks such as building can be applied to the multiple fields such as road, building, cement stirring station, and Steel material can
To be sufficiently used the effect of raw material, it made to turn waste into wealth, greatly mention for multiple fields such as road, building, machinery
The recovery utilization rate of resource has been risen, and has improved the grade of final products to a certain extent.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. it is a kind of construction refuse regenerated using separating technology, it is used to separate the mixed material in building waste to obtain
Single material, which comprises the following steps:
S1, the primary breakup processing of mixed material
Mixed material is subjected to break process, exports broken mixed material；
S2, the primary sorting of mixed material
Broken mixed material is subjected to brick and mixes sorting process, sorts into first material, second material and dregs, exports respectively
First material, second material and the dregs of acquisition；
S3, the decontamination processing of first material
The light materials in first material are removed, the first material after obtaining removal impurity；
S4, the broken of first material, screening process
(a) first material after removal impurity is delivered to the first crusher to be crushed, and broken first material is defeated
It send to the first screening plant and is sieved, obtain first and sieve thin material under upper rough material and the first sieve；
(b) thin material under the first sieve is delivered to the second screening plant and sieved, obtain the first thin material, the second thin material and
The thin material of third；The partial size of the thin material of partial size < third of the thin material of partial size < second of first thin material therein；
S5, secondary sorting
The second of acquisition thin material is subjected to the mixed sorting of secondary brick, obtains the material of brick and concrete material；
It is further comprising the steps of between in the step (a) and (b):
(a1) it sieves upper rough material returning charge to first crusher for first to be crushed again, and through first screening plant
It is sieved, obtains first size and sieve thin material under upper rough material and the first sieve；
(a2) by the upper rough material of first size sieve, returning charge to first crusher is crushed again again, and is sieved through described first
Separating device is sieved, and is obtained the second size and is sieved thin material under upper rough material and the first sieve；
(a3) by the upper rough material of the second size sieve, returning charge to first crusher is crushed again again, and is sieved through described first
Separating device is sieved, and is obtained third size and is sieved thin material under upper rough material and the first sieve；
It successively handles, until obtained material is thin material under the first sieve.
2. it is according to claim 1 it is construction refuse regenerated utilize separating technology, which is characterized in that the step S2 is specifically wrapped
Include following steps:
Broken mixed material is delivered to grizzly feeder by S2-1, and dregs is isolated in the rod gap through grizzly feeder,
And export the mixture of unsegregated first material and second material；
The mixture of unsegregated first material and second material is delivered to brick and mixes seperator by S2-2, is implemented the mixed separation of brick, is obtained
First material and second material after must separating；
First material after separation is crushed, except iron is handled by S2-3；And the second material after separation is subjected to broken place
Reason.
3. it is according to claim 1 or 2 it is construction refuse regenerated utilize separating technology, which is characterized in that in the step S4
In, further include the steps that thin material under the first sieve, which is delivered to trimmer, carries out broken and shaping before the step (b).
4. it is according to claim 3 it is construction refuse regenerated utilize separating technology, which is characterized in that in the step S4,
It is further comprising the steps of after the step (b):
(c1) the thin material returning charge of third to the trimmer is subjected to broken and shaping again, and passes through second screening plant
Screening obtains the first thin material, the second thin material and the thin material of first size；The partial size < second of first thin material therein is thin
The partial size of the thin material of partial size < first size of material；
(c2) the thin material returning charge of first size to the trimmer is subjected to broken and shaping again, and by second screening
Device screening, obtains the first thin material, the second thin material and the thin material of the second size；The partial size < of first thin material therein
The partial size of the thin material of the second size of partial size < of two thin materials；
(c3) the thin material returning charge of the second size to the trimmer is subjected to broken and shaping again, and by second screening
Device screening, obtains the first thin material, the second thin material and the thin material of third size；The partial size < of first thin material therein
The partial size of the thin material of partial size < third size of two thin materials；
It successively handles, until material obtained is the first thin material and the second thin material.
5. it is according to claim 1 or 2 it is construction refuse regenerated utilize separating technology, which is characterized in that the step S5 it
It afterwards further include the processing step that the concrete material of acquisition is carried out to packet slurry removal.
6. it is according to claim 1 or 2 it is construction refuse regenerated utilize separating technology, which is characterized in that it is described first sieve on
The partial size of rough material is 40~50mm, and the partial size of thin material is 0~40mm under first sieve；The partial size of the first thin material
For 0~10mm, the partial size of the second thin material is 10~25mm, and the partial size of the thin material of third is 25~40mm.
7. construction refuse regenerated separating technology is utilized according to claim 1, which is characterized in that first crusher is
Jaw crusher.
8. it is according to claim 1 or 2 it is construction refuse regenerated utilize separating technology, which is characterized in that in the step S2
Later, further comprising the steps of:
The second material of acquisition is delivered to the second crusher and is crushed by T1, and is delivered to third screening plant and is sieved,
It obtains second and sieves thin material under upper rough material and the second sieve, thin material under the second sieve of output；
T2 sieves upper rough material returning charge to second crusher for second and is crushed again, and by third screening dress
It sets and is sieved, obtain third and sieve thin material under upper rough material and the second sieve, thin material under the second sieve of output；
Third is sieved upper rough material returning charge to second crusher and is crushed again by T3, and by third screening dress
It sets and is sieved, obtain the 4th and sieve thin material under upper rough material and the second sieve, thin material under the second sieve of output；
It successively handles, until the material obtained is thin material under the second sieve, and exports thin material under the second sieve.
9. construction refuse regenerated separating technology is utilized according to claim 8, which is characterized in that described second sieves upper thick object
The partial size of material is 20~50mm, and the partial size of thin material is less than 20mm under second sieve.
10. it is according to claim 8 it is construction refuse regenerated utilize separating technology, which is characterized in that second crusher
For impact breaker.
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| CN107282253A (en) * | 2017-05-17 | 2017-10-24 | 北京建工资源循环利用投资有限公司 | Treating construction waste method |
| CN108117290A (en) * | 2017-12-26 | 2018-06-05 | 中城绿建科技有限公司 | Building castoff recycling recycles method of disposal |
| CN108176696A (en) * | 2017-12-26 | 2018-06-19 | 中城绿建科技有限公司 | Building castoff disposes multiple selection by winnowing and mixes separation method with brick |
| CN111922044A (en) * | 2020-08-06 | 2020-11-13 | 北京建工资源循环利用投资有限公司 | Construction waste sorting method and system |
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| CN102838307A (en) * | 2012-08-27 | 2012-12-26 | 首钢总公司 | Method and system for treating construction waste |
| CN103664027A (en) * | 2013-11-20 | 2014-03-26 | 山东科技大学 | Method for preparing coal mine paste filling aggregate by using urban building waste as raw material |
| CN105127176A (en) * | 2015-08-17 | 2015-12-09 | 新疆科立机械设备有限公司 | Building-rubbish resource treatment and use integrated treating method and treating system thereof |
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| KR100562354B1 (en) * | 2004-04-09 | 2006-03-17 | 주식회사 그린환경 | Functional sand for high and crude steel using recycled aggregates, shells, and waste hydrochloric acid, and method for producing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838307A (en) * | 2012-08-27 | 2012-12-26 | 首钢总公司 | Method and system for treating construction waste |
| CN103664027A (en) * | 2013-11-20 | 2014-03-26 | 山东科技大学 | Method for preparing coal mine paste filling aggregate by using urban building waste as raw material |
| CN105127176A (en) * | 2015-08-17 | 2015-12-09 | 新疆科立机械设备有限公司 | Building-rubbish resource treatment and use integrated treating method and treating system thereof |
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