CN106431041A - Building waste recycling separation technology - Google Patents
Building waste recycling separation technology Download PDFInfo
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- CN106431041A CN106431041A CN201610785089.6A CN201610785089A CN106431041A CN 106431041 A CN106431041 A CN 106431041A CN 201610785089 A CN201610785089 A CN 201610785089A CN 106431041 A CN106431041 A CN 106431041A
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- thin material
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- 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
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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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to a building waste recycling separation technology which is used for separating mixed materials in building waste so as to obtain single materials. The technology comprises the following steps of 1, primary crushing treatment of mixed materials, wherein an obtained first material, an obtained second material and waste soil are output separately; 2, primary sorting of the mixed materials; 3, impurity removal treatment of the first material; 4, crushing and screening treatment of the first material; 5, secondary sorting. The technology has the advantages of being efficient, environmentally friendly, capable of saving energy and high in production efficiency, the brick and concrete separation effect can be greatly improved, and concrete materials with the high purity can be obtained conveniently, so that the separated concrete materials are adopted as aggregates of recycled concrete, and the resource utilization rate is increased.
Description
Technical field
The present invention relates to building waste processing technology field, more particularly to a kind of construction refuse regenerated utilization separating technology.
Background technology
" urban building waste " mainly becomes to be grouped into by following 4 kinds：1st, brick concrete mixture, 2, relatively large dregs, 3, a small amount of
Wood flour, the light impurity such as medicated clothing, 4, the debris such as a small amount of steel being wrapped in concrete.
Existing " urban building waste " treatment technology scheme：The main processing mode for adopting Convergency fracturing, being classified, to brick
Block, concrete and light thing do disposed of in its entirety.All building wastes mix concentration and send into feeding warehouse by forklift.Through
" oscillating feeder " carries out even feed, is sent directly into " jaw crusher ".Through the material of " jaw crusher " after broken
" impact breaker " is delivered to by " belt type conveyer ", while carrying out on " belt type conveyer " once except ferrum；Through " anti-
Material after impact crusher " is broken is delivered to " circular shale shaker " by " belt type conveyer ", while at " belt type conveyer "
On carry out secondary except ferrum.After crushing twice, material is carried out the gradation of material by " circular shale shaker ", formed available become
Product.
Above-mentioned " urban building waste " treatment technology scheme makes the effective resource can not be according to which for focusing on mode
Feature is effectively utilized.The waste of resource and the pollution of environment are caused to a certain extent.Such as：Fragment of brick and coagulation
Soil is mixed and is focused on, and can only be used as roadbed and bed course, and economic benefit is limited, and raw material availability is relatively low.And thing
The light materials such as the debris in material, such as wooden unit, plastics also can be blended in inside finished product materials on a large scale, surface soil is caused secondary
Pollution.
Content of the invention
For overcoming the above-mentioned technical problem of prior art presence, the invention provides a kind of construction refuse regenerated using separation
Technique, which carries out classification process according to the different purposes of different material to building waste, effectively increases the pure of " regeneration aggregate "
Degree and grade.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of construction refuse regenerated utilization separating technology, its
For carrying out separating to obtain single material the mixed material in building waste, which comprises the following steps：
S1, the primary breakup of mixed material is processed
Mixed material is carried out break process, the mixed material after output is broken；
S2, the once sorting of mixed material
Mixed material after will be broken carries out brick and mixes sorting process, sorts into first material, second material and dregs, respectively
First material, second material and dregs that output is obtained；
S3, the decontamination of first material is processed
The light materials in first material are removed, obtains the first material after going the removal of impurity；
S4, the broken, screening process of first material
A the first material that goes after the removal of impurity is delivered to the first disintegrating machine and is crushed by (), and the first thing after crushing
Material is delivered to the first screening plant and is sieved, and obtains thin material under the upper thick material of the first sieve and the first sieve；
B thin material under first sieve is delivered to the second screening plant and is sieved by (), obtain the first thin material, the second thin thing
Material and the 3rd thin material；The particle diameter of the 3rd thin material of particle diameter ＜ of the thin material of particle diameter ＜ second of the first thin material therein；
S5, secondary sorting
The the second thin material for obtaining is carried out the mixed sorting of secondary brick, obtains the material of brick and concrete material.
The invention has the beneficial effects as follows：The construction refuse regenerated utilization separating technology that the present invention is provided, with efficient, ring
The high advantage of guarantor, energy-conservation and production efficiency, can be greatly enhanced the separating effect of brick and concrete, and readily available purity is higher
Concrete material, so as to improving the utilization rate of resource using the concrete material that isolates as the aggregate of regeneration concrete.
Further, step S2 specifically includes following steps：
S2-1, the mixed material after crushing is delivered to grizzly feeder, and the rod gap through grizzly feeder is isolated
Dregs, and export unsegregated first material and second material；
S2-2, the compound of unsegregated first material and second material is delivered to brick and mixes seperator, implements mixed point of brick
From, obtain separate after first material and second material；
S2-3, the first material after separation is carried out crushing, is processed except ferrum；And the second material after separation is crushed
Process.
On the basis of technique scheme, the present invention can also do following improvement.
Further, further comprising the steps of between the step (a) and (b)：
(a1) upper for the first sieve thick material returning charge is crushed again to first disintegrating machine, and through the described first screening
Device is sieved, and obtains thin material under the upper thick material of first size sieve and the first sieve；
(a2) by upper for first size sieve thick material, returning charge is crushed again to first disintegrating machine again, and through described the
One screening plant is sieved, and obtains thin material under the upper thick material of the second size sieve and the first sieve；
(a3) by upper for the second size sieve thick material, returning charge is crushed again to first disintegrating machine again, and through described the
One screening plant is sieved, and obtains thin material under the upper thick material of the 3rd size sieve and the first sieve；
Process successively, until the material for obtaining is thin material under the first sieve.
Using the beneficial effect of above-mentioned further scheme it is：By by the first larger for particle diameter sieve, above thick material is carried out repeatedly
Broken, until the material for obtaining is thin material under the first sieve, will the upper thick material of the first sieve be broken for less first of particle diameter
Thin material under sieve, thin material under readily available more first sieves, is that follow-up technique provides more materials.
Further, in step S4, under also including before the step (b) to sieve first, thin material is delivered to shaping
The step of machine carries out broken and shaping.
Using the beneficial effect of above-mentioned further scheme it is：Under the first sieve through crushing again, after shaping, thin material is in
Cube, greatly reduces the material of contained lamellar and needle-like.
Further, in step S4, further comprising the steps of after the step (b)：
(c1) the 3rd thin material returning charge is crushed again to the trimmer and shaping, and through the described second screening
Device is sieved, and obtains the first thin material, the second thin material and the thin material of first size；The particle diameter ＜ of the first thin material therein
The particle diameter of the thin material of the particle diameter ＜ first size of two thin materials；
(c2) returning charge of thin for first size material is crushed again to the trimmer and shaping, and through described second
Screening plant is sieved, and obtains the first thin material, the second thin material and the thin material of the second size；The particle diameter of the first thin material therein
The particle diameter of the thin material of second size of particle diameter ＜ of the thin material of ＜ second；
(c3) returning charge of thin for the second size material is crushed again to the trimmer and shaping, and through described second
Screening plant is sieved, and obtains the first thin material, the second thin material and the thin material of the 3rd size；The particle diameter of the first thin material therein
The particle diameter of the thin material of the 3rd size of particle diameter ＜ of the thin material of ＜ second；
Process successively, until the material for being obtained is the first thin material and the second thin material.
Using the beneficial effect of above-mentioned further scheme it is：By the 3rd larger for particle diameter thin material through multiple broken acquisitions
The first less thin material of particle diameter and the second thin material, the first thin material therein is delivered to corresponding stockpile, and the second thin thing
Material proceeds secondary sorting, obtains the material of brick and concrete material.
Further, also include after step S5 to carry out wrapping the process step that slurry is removed by the concrete material of acquisition.
Using the beneficial effect of above-mentioned further scheme it is：Because mixing, by secondary brick, the concrete material for obtaining after sorting process
Surface also comprising a large amount of dust and bag slurry, need to remove further the bag slurry that concrete material shows, coagulation after treatment
The purity of earth material is higher, can enter the stockpile of high-quality regeneration aggregate, in case later use.
Further, the particle diameter of the upper thick material of first sieve is 40～50mm, and under first sieve, the particle diameter of thin material is 0
～40mm；The particle diameter of the first thin material is 0～10mm, and the particle diameter of the second thin material is 10～25mm, the described 3rd
The particle diameter of thin material is 25～40mm.
Further, first disintegrating machine is jaw crusher.
Further, after step S2, further comprising the steps of：
T1, the second material of acquisition is delivered to the second disintegrating machine and is crushed, and is delivered to the 3rd screening plant and is carried out
Screening, obtains thin material under the upper thick material of the second sieve and the second sieve, thin material under the second sieve of output；
T2, upper for the second sieve thick material returning charge is crushed again to second disintegrating machine, and through the described 3rd sieve
Separating device is sieved, and obtains thin material under the upper thick material of the 3rd sieve and the second sieve, thin material under the second sieve of output；
T3, upper for the 3rd sieve thick material returning charge is crushed again to second disintegrating machine, and through the described 3rd sieve
Separating device is sieved, and obtains thin material under the upper thick material of the 4th sieve and the second sieve, thin material under the second sieve of output；
Process successively, until the material for obtaining is thin material under the second sieve, and export thin material under the second sieve.
Using the beneficial effect of above-mentioned further scheme it is：Broken, the screening that second material is carried out repeatedly, obtains particle diameter
Thin material under the second higher sieve of less, purity, under second is sieved, thin material is delivered to corresponding stockpile, so as to follow-up profit again
With.
Further, the particle diameter of the upper thick material of second sieve is 20～50mm, and under second sieve, the particle diameter of thin material is
Less than 20mm.
Further, second disintegrating machine is impact breaker.
Description of the drawings
Fig. 1 is the flow chart of construction refuse regenerated utilization separating technology provided in an embodiment of the present invention；
Fig. 2,3 be the embodiment of the present invention two offer brick mix seperator structural representation.
1- brick mixes seperator, 2- frame, 3- driving means, 4- roller bearing, 5- annular blade, 6- lug, 7- shaft coupling.
Specific embodiment
Below in conjunction with accompanying drawing, the principle of the present invention and feature are described, example is served only for explaining the present invention, and
Non- for limiting the scope of the present invention.It should be noted that in the case of not conflicting, in embodiments herein and embodiment
Feature can be mutually combined.
Embodiment one
As shown in figure 1, the construction refuse regenerated utilization separating technology that the present embodiment is provided, which is used in building waste
Mixed material carries out separating to obtain single material, and which comprises the following steps：
S1, the primary breakup of mixed material is processed
Mixed material is carried out break process, the mixed material after output is broken；
S2, the once sorting of mixed material
Mixed material after will be broken carries out brick and mixes sorting process, sorts into first material, second material and dregs, respectively
First material, second material and dregs that output is obtained；
S3, the decontamination of first material is processed
The light materials in first material are removed, obtains the first material after going the removal of impurity；
S4, the broken, screening process of first material
A the first material that goes after the removal of impurity is delivered to the first disintegrating machine and is crushed by (), and the first thing after crushing
Material is delivered to the first screening plant and is sieved, and obtains thin material under the upper thick material of the first sieve and the first sieve；
B thin material under first sieve is delivered to the second screening plant and is sieved by (), obtain the first thin material, the second thin thing
Material and the 3rd thin material；The particle diameter of the 3rd thin material of particle diameter ＜ of the thin material of particle diameter ＜ second of the first thin material therein；
S5, secondary sorting
The the second thin material for obtaining is carried out the mixed sorting of secondary brick, obtains the material of brick and concrete material.
The primary breakup of mixed material is processed and the material of bulk can be processed into lump material of the particle diameter in below 400mm,
And cutting out partial dregs；Will broken after mixed material carry out brick and mix sorting process, by mixed material be separated into first material,
Second material and dregs, it is brick that first material therein is concrete, second material, can allow containing a small amount of in concrete
Brick, can allow containing a small amount of concrete in brick.The dregs that isolates enters miscellaneous earth material heap；The second material that isolates, i.e. brick
Material can be fed directly to material of brick stockpile, in case follow-up recycle, follow-up handling process may also be employed, such as broken, screening etc.
Reason, obtains the material of brick of appropriate particle size, facilitates follow-up recycling；The concrete material that isolates can be further by the work of step S3
Skill process, removes the impurity in concrete material, for example, can pass through light materials sorting arrangement by the wooden unit in concrete material, plastics etc.
Light materials are sorted, it is to avoid its secondary pollution to soil.Concrete material after going the removal of impurity is then through step S4
Handling process, i.e., mix the handling process of sorting through broken, screening and secondary brick, final obtain the higher concrete material of purity and
A part of material of brick.The secondary brick of S5 mixed sorting and can adopt wet granulate separating method wherein the step of, i.e., with water as medium, according to the
In two thin materials, brick is different with the density of concrete, density big positioned at lower floor, density little positioned at upper strata, so as to can be by second
Brick in thin material is separated with concrete, and then obtains the higher material of brick of purity and concrete material.
The material of brick for sub-electing can be transported to material of brick stockpile, can be used to make regeneration brick, furring tile, pavior brick or azulejo
Deng tile product；The concrete material for sub-electing is transported to concrete material stockpile, can be used for business and fastens processing, roadbed place mat or build a bridge, from
And the diversification utilization of building waste is achieved, it is greatly enhanced the consumption rate of building waste.
Embodiment two
The construction refuse regenerated utilization separating technology that the present embodiment is provided, which gives step on the basis of embodiment one
In rapid S2, brick mixes detached selection process process, specific as follows.
S2-1, the mixed material after crushing is delivered to grizzly feeder, and the rod gap through grizzly feeder is isolated
Dregs, and export the compound of unsegregated first material and second material；
S2-2, the compound of unsegregated first material and second material is delivered to brick and mixes seperator, implements mixed point of brick
From, obtain separate after first material and second material；
S2-3, the first material after separation is carried out crushing, is processed except ferrum；And the second material after separation is crushed
Process.
Grizzly feeder is transported to through mixed material of step S1 after broken, through in grizzly feeder between each rod
Dregs is separated by gap.The compound of unsegregated first material and second material is then delivered to brick and mixes seperator, implements
Brick is mixed to be separated, and obtains the first material after separating and second material.
Grizzly feeder therein can adopt the structure of prior art, will not be described here.As shown in Figure 2,3, therein
Brick mixes seperator 1 includes frame 2, the driving means 3 being arranged in the frame 2 and roller bearing 4；The roller bearing 4 is for multiple, multiple
4 interval setting of the roller bearing, the driving means 3 are connected by shaft coupling 7 with the roller bearing 4, 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 around 4 outer wall of the roller bearing periphery arrange.The outer peripheral face of the annular blade 5 therein is arranged at intervals with multiple lugs
6, the lug 6 extends to the direction away from 5 outer peripheral face of the annular blade.
Seperator being mixed using the brick carries out the mixed separation of brick by the compound of unsegregated first material and second material, and will
First material after separating is delivered to disintegrating machine and is crushed, and removes the reinforcing bar in first material using tramp iron separator, be easy to into
The follow-up process of row；And the second material after separation is carried out break process, it is convenient for follow-up process.
The present embodiment provide construction refuse regenerated utilization separating technology, its utilize grizzly feeder, brick mix seperator and
Tramp iron separator to crushing after mixed material carried out preliminary separation, coarse crushing, obtained with concrete as main constituent except reinforcing bar etc. is processed
First material, the second material with brick as main constituent and dregs, it is preferable that by the above-mentioned handling process of the present embodiment, separate
The particle diameter of first material afterwards is 0-80mm, and the particle diameter of second material is 0-80mm.
Embodiment three
The construction refuse regenerated utilization separating technology that the present embodiment is provided, which is except including embodiment one or two institute of embodiment
Outside the technical process of description, also include following process engineering.
Wherein first material, i.e. concrete material subsequent treatment except comprising in addition to above-mentioned steps S3, S4, S5, also include with
Lower processing procedure.
Further comprising the steps of between the step (a) and (b)：
(a1) upper for the first sieve thick material returning charge is crushed again to first disintegrating machine, and through the described first screening
Device is sieved, and obtains thin material under the upper thick material of first size sieve and the first sieve；
(a2) by upper for first size sieve thick material, returning charge is crushed again to first disintegrating machine again, and through described the
One screening plant is sieved, and obtains thin material under the upper thick material of the second size sieve and the first sieve；
(a3) by upper for the second size sieve thick material, returning charge is crushed again to first disintegrating machine again, and through described the
One screening plant is sieved, and obtains thin material under the upper thick material of the 3rd size sieve and the first sieve；
Process successively, until the material for obtaining is thin material under the first sieve.
Seperator being mixed through brick and separates the decontamination process of first material, i.e. concrete material after crushing through step S3, goes
Except the light thing in concrete material, and through step S4, deimpurity concrete material will be gone to be delivered to the first disintegrating machine and to be broken
Broken, the first disintegrating machine therein can be jaw crusher, and the granularity of the material after crushing is 0～50mm, and the material is transported to
First screening plant is sieved, and obtains thin material under the upper thick material of the first sieve and the first sieve, and therein first sieves upper thick material
Particle diameter be 40～50mm, first sieve under thin material particle diameter be 0～40mm.Particle diameter therein be 0～40mm first sieve under
Thin material can be transported to trimmer and carry out broken and shaping, reduce the material of lamellar in material and needle-like so that after shaping
Material be in cube；Particle diameter therein is that on first sieve of 40～50mm, thick material is carried out repeatedly to the first disintegrating machine by returning charge
Crush, sieve, final acquisition particle diameter is the material of 0～40mm, the number of times for crushing and sieving can be once, alternatively repeatedly, front
Carry be ensure screening after material particle diameter all in the range of 0～40mm；Similarly, the particle diameter for this being obtained is 0～
The material of 40mm is delivered to trimmer and carries out broken and shaping, reduces the material of lamellar in material and needle-like so that after shaping
Material be in cube.Particle diameter after shaping is that under the first of 0～40mm is sieved, thin material is transported to the second screening plant
Sieved again, second screening plant is a combination sieve, under first can be sieved the screening of thin material be the first thin material, second
Thin material and the 3rd thin material, the particle diameter of the first thin material therein is 0～10mm, the particle diameter of the second thin material is 10～
25mm, the particle diameter of the 3rd thin material is 25～40mm.Particle diameter therein is that the first thin material of 0～10mm contains brick amount and compares
Greatly, the first thin material is delivered to material of brick heap, particle diameter is that the second thin material of 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 contained by the concrete after purification, the impurity such as brick is substantially reduced,
Purity is 90% or so, and concrete material now can be used as the aggregate of regeneration concrete.Particle diameter is the 3rd thin thing of 25～40mm
Material can carry out following steps.
In one of embodiment of the present embodiment, the construction refuse regenerated utilization separating technology may also include as follows
Technical process：
In step S4, further comprising the steps of after the step (b)：
(c1) the 3rd thin material returning charge is crushed again to the trimmer and shaping, and through the described second screening
Device is sieved, and obtains the first thin material, the second thin material and the thin material of first size；The particle diameter ＜ of the first thin material therein
The particle diameter of the thin material of the particle diameter ＜ first size of two thin materials；
(c2) returning charge of thin for first size material is crushed again to the trimmer and shaping, and through described second
Screening plant is sieved, and obtains the first thin material, the second thin material and the thin material of the second size；The particle diameter of the first thin material therein
The particle diameter of the thin material of second size of particle diameter ＜ of the thin material of ＜ second；
(c3) returning charge of thin for the second size material is crushed again to the trimmer and shaping, and through described second
Screening plant is sieved, and obtains the first thin material, the second thin material and the thin material of the 3rd size；The particle diameter of the first thin material therein
The particle diameter of the thin material of the 3rd size of particle diameter ＜ of the thin material of ＜ second；
Process successively, until the material for being obtained is the first thin material and the second thin material.
From above-mentioned steps (c1), (c2) and (c3), particle diameter is the 3rd thin material of 25～40mm by returning charge to shaping
Machine and the second screening plant are repeatedly crushed respectively and are sieved, and crush and the number of times of screening can be once, alternatively repeatedly, front
Carry be material after ensureing screening particle diameter all in below 25mm, i.e., material after screening is that particle diameter is 0～10mm
One thin material and the second thin material that particle diameter is 10～25mm；Similarly, the particle diameter for this time obtaining is the first thin thing of 0～10mm
In material, the amount containing brick is transported to material of brick heap than larger；By the second thin material that this particle diameter for obtaining is 10～25mm
Then step S5 is 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 are substantially reduced, and purity is 90% or so, and concrete material now can be used as the aggregate of regeneration concrete.
As the surface of the concrete material after purification can include a large amount of dust and bag slurry, need to carry out further removing bag
Also include after the process of slurry, i.e. step S5 to carry out wrapping the process step that slurry is removed by the concrete material of acquisition.Through bag
The purity of the concrete material that slurry is removed can reach 95%, and the part concrete material is delivered to high-quality regeneration aggregate stockpile, so as to
Follow-up recycling.
In one of embodiment of the present embodiment, the construction refuse regenerated utilization separating technology gives second
The subsequent treatment of the subsequent processes of material, the i.e. material of brick specifically includes following steps：
After step S2, further comprising the steps of：
T1, the second material of acquisition is delivered to the second disintegrating machine and is crushed, and is delivered to the 3rd screening plant and is carried out
Screening, obtains thin material under the upper thick material of the second sieve and the second sieve, thin material under the second sieve of output；
T2, upper for the second sieve thick material returning charge is crushed again to second disintegrating machine, and through the described 3rd sieve
Separating device is sieved, and obtains thin material under the upper thick material of the 3rd sieve and the second sieve, thin material under the second sieve of output；
T3, upper for the 3rd sieve thick material returning charge is crushed again to second disintegrating machine, and through the described 3rd sieve
Separating device is sieved, and obtains thin material under the upper thick material of the 4th sieve and the second sieve, thin material under the second sieve of output；
Process successively, until the material for obtaining is thin material under the second sieve, and export thin material under the second sieve.
From above-mentioned steps T1, T2 and T3, after mixing sorting station sorting, crush through brick, second material, the i.e. material of brick are conveyed
Crushed to the second disintegrating machine, and sieved through the 3rd screening plant, obtain the upper thick material of the second sieve and the second sieve is lower thin
Material.Second disintegrating machine therein is impact breaker, and the therein second particle diameter for sieving upper thick material is 20～50mm, second
Under sieve, the particle diameter of thin material is higher containing purity in thin material under the second sieve that 0～20mm, particle diameter therein is 0～20mm
Turn material, material of brick stockpile is transported to, so as to follow-up recycling.Particle diameter therein is that the second of 20～50mm sieves upper thick material then
Returning charge is crushed, is sieved again to the second disintegrating machine and the 3rd screening plant, crushes and the number of times of screening can be for once, also may be used
For multiple, on condition that ensureing the particle diameter of the material after screening all in the range of 0～20mm, and this particle diameter for obtaining is 0
Under second sieve of～20mm, thin material is delivered to material of brick stockpile, so as to follow-up recycling.
The construction refuse regenerated utilization separating technology that the present invention is provided, which utilizes the different purposes of different material, to " city
Building waste " is classified processing.And effectively increase purity and the grade of " regeneration aggregate ".In addition, through overall work
Skill can achieve original building waste and become：1st, using high purity regenerated aggregate, 2, fragment of brick stockpile, 3, iron block steel
Muscle, 4, light material etc..
The technical matters of the present invention, efficient, environmental protection, energy-conservation, production efficiency height, can greatly improve brick, mixed separation and imitate
Really, and light material separation, and improve the grade of regeneration concrete.
The present invention provide construction refuse regenerated utilization separating technology separated go out fragment of brick material can apply to road,
The multiple fields such as building, regeneration concrete block can apply to the multiple fields such as road, building, cement stirring station, and Steel material can
For multiple fields such as road, building, machineries, it is sufficiently used the effect of raw material so as to turn waste into wealth, greatly carries
The recovery utilization rate of resource is risen, and has improved the grade of final products to a certain extent.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement that is made etc., should be included within the scope of the present invention.
Claims (11)
1. a kind of construction refuse regenerated utilization separating technology, which is used for carrying out separating to obtain by the mixed material in building waste
Single material, it is characterised in that comprise the following steps：
S1, the primary breakup of mixed material is processed
Mixed material is carried out break process, the mixed material after output is broken；
S2, the once sorting of mixed material
Mixed material after will be broken carries out brick and mixes sorting process, sorts into first material, second material and dregs, exports respectively
The first material, second material of acquisition and dregs；
S3, the decontamination of first material is processed
The light materials in first material are removed, obtains the first material after going the removal of impurity；
S4, the broken, screening process of first material
A the first material that goes after the removal of impurity is delivered to the first disintegrating machine and is crushed by (), and the first material after crushing is defeated
Deliver to the first screening plant to be sieved, obtain thin material under the upper thick material of the first sieve and the first sieve；
B () is sieved first under, thin material is delivered to the second screening plant and is sieved, obtain the first thin material, the second thin material and
3rd thin material；The particle diameter of the 3rd thin material of particle diameter ＜ of the thin material of particle diameter ＜ second of the first thin material therein；
S5, secondary sorting
The the second thin material for obtaining is carried out the mixed sorting of secondary brick, obtains the material of brick and concrete material.
2. construction refuse regenerated utilization separating technology according to claim 1, it is characterised in that step S2 is specifically wrapped
Include following steps：
S2-1, the mixed material after crushing is delivered to grizzly feeder, and dregs is isolated in the rod gap through grizzly feeder,
And export the compound of unsegregated first material and second material；
S2-2, the compound of unsegregated first material and second material is delivered to brick and mixes seperator, is implemented the mixed separation of brick, is obtained
First material and second material after must separating；
S2-3, the first material after separation is carried out crushing, is processed except ferrum；And carry out crushing place by the second material after separation
Reason.
3. construction refuse regenerated utilization separating technology according to claim 1 and 2, it is characterised in that in the step (a)
(b) further comprising the steps of between：
(a1) upper for the first sieve thick material returning charge is crushed again to first disintegrating machine, and through first screening plant
Sieved, obtained thin material under the upper thick material of first size sieve and the first sieve；
(a2) by upper for first size sieve thick material, returning charge is crushed again to first disintegrating machine again, and through the described first sieve
Separating device is sieved, and obtains thin material under the upper thick material of the second size sieve and the first sieve；
(a3) by upper for the second size sieve thick material, returning charge is crushed again to first disintegrating machine again, and through the described first sieve
Separating device is sieved, and obtains thin material under the upper thick material of the 3rd size sieve and the first sieve；
Process successively, until the material for obtaining is thin material under the first sieve.
4. construction refuse regenerated utilization separating technology according to claim 1 and 2, it is characterised in that in step S4
In, the step of under also including before the step (b) to sieve first, thin material is delivered to trimmer and carries out broken and shaping.
5. construction refuse regenerated utilization separating technology according to claim 4, it is characterised in that in step S4,
Further comprising the steps of after the step (b)：
(c1) the 3rd thin material returning charge is crushed again to the trimmer and shaping, and through second screening plant
Screening, obtains the first thin material, the second thin material and the thin material of first size；The particle diameter ＜ second of the first thin material therein is thin
The particle diameter of the thin material of the particle diameter ＜ first size of material；
(c2) returning charge of thin for first size material is crushed again to the trimmer and shaping, and through the described second screening
Device is sieved, and obtains the first thin material, the second thin material and the thin material of the second size；The particle diameter ＜ of the first thin material therein
The particle diameter of the thin material of second size of particle diameter ＜ of two thin materials；
(c3) returning charge of thin for the second size material is crushed again to the trimmer and shaping, and through the described second screening
Device is sieved, and obtains the first thin material, the second thin material and the thin material of the 3rd size；The particle diameter ＜ of the first thin material therein
The particle diameter of the thin material of the 3rd size of particle diameter ＜ of two thin materials；
Process successively, until the material for being obtained is the first thin material and the second thin material.
6. construction refuse regenerated utilization separating technology according to claim 1 and 2, it is characterised in that step S5 it
Also include afterwards to carry out wrapping the process step that slurry is removed by the concrete material of acquisition.
7. construction refuse regenerated utilization separating technology according to claim 1 and 2, it is characterised in that on first sieve
The particle diameter of thick material is 40～50mm, and under first sieve, the particle diameter of thin material is 0～40mm；The particle diameter of the first thin material
For 0～10mm, the particle diameter of the second thin material is 10～25mm, and the particle diameter of the 3rd thin material is 25～40mm.
8. construction refuse regenerated utilization separating technology according to claim 3, it is characterised in that first disintegrating machine is
Jaw crusher.
9. construction refuse regenerated utilization separating technology according to claim 1 and 2, it is characterised in that in step S2
Afterwards, further comprising the steps of：
T1, the second material of acquisition is delivered to the second disintegrating machine and is crushed, and is delivered to the 3rd screening plant and is sieved,
Obtain thin material under the upper thick material of the second sieve and the second sieve, thin material under the second sieve of output；
T2, upper for the second sieve thick material returning charge is crushed again to second disintegrating machine, and is filled through the described 3rd screening
Put and sieved, obtain thin material under the upper thick material of the 3rd sieve and the second sieve, thin material under the second sieve of output；
T3, upper for the 3rd sieve thick material returning charge is crushed again to second disintegrating machine, and is filled through the described 3rd screening
Put and sieved, obtain thin material under the upper thick material of the 4th sieve and the second sieve, thin material under the second sieve of output；
Process successively, until the material for obtaining is thin material under the second sieve, and export thin material under the second sieve.
10. construction refuse regenerated utilization separating technology according to claim 9, it is characterised in that second sieve is upper thick
The particle diameter of material be 20～50mm, described second sieve under thin material particle diameter be less than 20mm.
11. construction refuse regenerated utilization separating technologies according to claim 9, it is characterised in that second disintegrating machine
For impact breaker.
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| 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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| CN106431041B (en) | 2019-02-19 |
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