CN106277883A - A kind of environment-friendly type foam half dry-washing type construction refuse regenerated aggregate clean method - Google Patents
A kind of environment-friendly type foam half dry-washing type construction refuse regenerated aggregate clean method Download PDFInfo
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- CN106277883A CN106277883A CN201610652084.6A CN201610652084A CN106277883A CN 106277883 A CN106277883 A CN 106277883A CN 201610652084 A CN201610652084 A CN 201610652084A CN 106277883 A CN106277883 A CN 106277883A
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- foam
- cleaning
- aggregate
- clean method
- regeneration aggregate
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Links
- 239000006260 foam Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000005406 washing Methods 0.000 title claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 71
- 230000008929 regeneration Effects 0.000 claims abstract description 57
- 238000011069 regeneration method Methods 0.000 claims abstract description 57
- 239000002699 waste material Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003599 detergent Substances 0.000 claims description 24
- 239000012459 cleaning agent Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 21
- 238000010926 purge Methods 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 10
- 239000004088 foaming agent Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 5
- 238000001802 infusion Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- JHJUUEHSAZXEEO-UHFFFAOYSA-M sodium;4-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=C(S([O-])(=O)=O)C=C1 JHJUUEHSAZXEEO-UHFFFAOYSA-M 0.000 claims description 2
- 210000000481 breast Anatomy 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000002791 soaking Methods 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 11
- 239000004576 sand Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000010813 municipal solid waste Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 238000005187 foaming Methods 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 210000000988 bone and bone Anatomy 0.000 description 5
- 239000004568 cement Substances 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 229920005646 polycarboxylate Polymers 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000008107 benzenesulfonic acids Chemical class 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002351 wastewater 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
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- 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 discloses the clean method of a kind of environment-friendly type foam half dry-washing type construction refuse regenerated aggregate, comprise the following steps: first carry out building waste crushing, sorting, obtain regeneration aggregate；Then regeneration aggregate is transmitted in 2 cleaning units with up to filled and process, during being dropped by regeneration aggregate, foam is wrapped up in attached, rub mutually between aggregate time subsequently by soaking in the foam and being piled up by conveyer belt transport, make greasy dirt be had oil loving foam to adsorb, it is achieved the high-efficiency cleaning of regeneration aggregate.The present invention has that water consumption is few, cleaning efficiency is high, technique is simple, low cost and other advantages, is suitable for popularization and application.
Description
Technical field
The invention belongs to solid waste regeneration and utilize field, be specifically related to a kind of environment-friendly type foam half dry-washing type building rubbish
Rubbish regeneration aggregate clean method.
Background technology
Along with China's expanding economy and the acceleration of urbanization process, the carrying out of a large amount of newly built constructions, old city is again planned and is changed
Make, road is newly repaiied or relocates, and including the dismounting reconstruction of a large amount of xoncrete structures and building, creates during this is each
Substantial amounts of building waste.According to statistics, China's building waste quantity alreadys more than the 1/3 of municipal refuse sum, for building waste,
Traditional method of disposal is to transport to suburb to pile up landfill, and small part is filled for pit-hole backfill, low-lying land.These disposal sides
Formula, will take space, a large amount of above and below ground, and loose building waste packed structures colleague also result in the potential safety hazard of avalanche.With
Time, building waste is totally in alkalescence, while not only taking a large amount of soil, the most damaging to the soil property of Soil Surrounding
Impact；Water body and air can be entered under the operation of natures such as the organic leaching that contains in building waste, Exposure to Sunlight, form water body dirty
Dye and atmospheric pollution.Therefore, how these building wastes of recycling become a problem the most urgently to be resolved hurrily.
About 90% be made up of broken concrete, brick, tile fragment, sandstone, clod in building waste, these components are all can
With recycling building materials, especially wherein most component robustness is higher, through certain disposal can prepare regeneration aggregate,
The construction material recyclings such as regeneration activity micropowder, regeneration haydite, regeneration pottery sand.Flow process is about: collect sorting clear
Clean broken, grinding or sintering screening recycling.Along with the pay attention to day by day to environmental protection and recycling economy, build rubbish
The application of rubbish regeneration gets more and more, and the collection of building waste, sorting, crushing and grinding or the technique such as sintering, screening are the completeest
Kind, also have a large amount of about pretreatment modes such as regeneration aggregate, regenerative micro powder activity excitation, interface enhancings simultaneously, this makes building
The use quality of garbage regeneration material is greatly improved.But, in place of still suffering from some shortcomings during building waste profit again.
The quality of the product of construction refuse regenerated construction material, is seriously limited by the clean level of building waste.Building rubbish
Rubbish is many containing Organic substances such as greasy dirts.The regeneration aggregate interfacial adhesion ability that these construction waste crushings containing residual greasy dirt are made
More weak, cannot be well attached cementing with inorganic coagulation materials such as cement；Contain the building waste of residual greasy dirt in preparation more simultaneously
Relatively it is difficult to levigate during liveliness proof micropowder, adds difficulty and the cost of grinding, add the abrasion of milling equipment simultaneously；Firing
During regeneration haydite and regeneration pottery sand, the volatilization of inorganic matter is easily generated suction potential safety hazard and healthy hidden danger is the most easily polluted
Air.Therefore, effective cleaning technique is had to pass through time construction refuse regenerated.What application was more at present is by rinsing or soaking
Clean building waste.This not only consumes substantial amounts of water resource, and the wastewater flow rate after washing is relatively big simultaneously, is difficult to concentrate simultaneously
Process, easily discharge after stain soil and water body.
Summary of the invention
It is an object of the invention to for above-mentioned the deficiencies in the prior art, and a kind of environment-friendly type foam half dry-washing type building is provided
Garbage regeneration aggregate clean method, the method has that water consumption is few, cleaning efficiency is high, technique is simple and low cost and other advantages, tool
There are important economy and environmental benefit.
For achieving the above object, the technical solution used in the present invention is:
A kind of environment-friendly type foam half dry-washing type construction refuse regenerated aggregate clean method, it comprises the following steps:
1) carry out building waste crushing, sorting, obtain regeneration aggregate；
2) preparation purge tank: purge tank includes the round can of a upper end open sealed bottom, arranges infusion port bottom round can,
It connects with foam maker, uses cleaning agent to foam, and gained foam is passed through infusion port in described foam maker
Fill to round can；
3) by step 1) gained regeneration aggregate drops in purge tank by conveyer belt by purge tank top, wherein conveyer belt and
Purge tank one cleaning unit of composition, the regeneration aggregate transmitted in previous cleaning unit unloads the biography dropping down onto next cleaning unit
Send band bottom (in previous cleaning unit the top of conveyer belt with on the position of the bottom of conveyer belt in next cleaning unit,
Lower correspondence), and unloaded by next conveyer belt transmission and drop down onto in next one cleaning unit；Last cleaning unit regenerates
Aggregate is sent in aggregate bin by reclaiming conveyer belt, reclaims to obtain cleaning regeneration aggregate.
In such scheme, the particle diameter of described regeneration aggregate is not less than 3mm.
In such scheme, step 3) in more than 2 cleaning units are set.
In such scheme, described foam maker use pressure-air foam maker, pressure-air pressure be 0.3～
0.5MPa。
In such scheme, the density of described foam maker foaming gained foam is 60～120kg/m3。
In such scheme, step 3) in control in each cleaning unit, regeneration aggregate is from entering round can foam to transmission
Go out the time in foam for being not less than 5min.
Preferably, the Regenerated Bone stockpile formed after foam-filled Altitude control drops regeneration aggregate in round can in round can is
More than 3 times of high altitude, the Regenerated Bone stockpile maximum height formed after dropping regeneration aggregate in round can is less than round can height
1/4。
In such scheme, in each cleaning unit, the transfer rate of conveyer belt keeps consistent.
In such scheme, in described cleaning agent, shared by each component, mass percent is: foaming agent 2～3%, stabilizer 0.3
～0.5%, detergent 1～2%, remaining is water.
In such scheme, described foaming agent by fat polyoxyethylenated alcohol sodium sulfate and sodium lauryl sulphate press 55:45～
The mass ratio of 60:40 mixes.
In such scheme, described stabilizer be commercial available quality concentration be the modified silicone resin polyethers emulsion of 55%；Described go
Dirty agent is one or both mixing in dodecylbenzene sodium sulfonate, dodecyl sodium sulfate.
In such scheme, described foam maker is connected with detergent container, by the cleaning agent transmission in detergent container
To foam maker.
In such scheme, also setting up leakage fluid dram, be connected with three-way flow divider valve bottom round can, two of which shunting outlet is respectively
It is connected with waste liquid discharge line and detergent container.When control leakage fluid dram connects with detergent container, recoverable foam is clear
Wash regeneration aggregate and rupture rear gained waste liquid, again foam.
The principle of this law invention is:
When the construction refuse regenerated aggregate containing organic pollutions such as greasy dirts is transferred into above round can and is dropping process
In cleaned dose of foaming gained foam (water-air foam) wrapped up in attached, pass through subsequently to soak and transported by conveyer belt in the foam
Mutual kneading action between aggregate during accumulation so that greasy dirt is had oil loving foam and adsorbs, and then from building waste
Regeneration aggregate surface comes off, and the liquid (waste liquid) leakage fluid dram bottom round can formed along with bubble collapse is discharged by waste liquid
Pipeline is discharged or is recycled in detergent container re-start foaming.
The stability using cleaning agent of the present invention foaming gained foam is the best, when foam foam when running into greasy dirt
Formation detergent solution oil stain can be ruptured, and foam meeting long period (about 1.5～2.5h) not contacted with greasy dirt is steady
Fixed existence is until contacting with greasy dirt；When in construction refuse regenerated aggregate containing greasy dirt less time, foam can the long period steady
Fixed existence, the liquid of leakage fluid dram collection is recyclable is re-used to foaming to detergent container；When building waste contains greasy dirt
Time more, foam height decline can be accelerated, and the liquid that leakage fluid dram is collected cannot be used for foaming the most again, is directly arranged by waste liquid
Go out pipeline to discharge.Therefore by observing foam height decrease speed, refer to judge whether greasy dirt cleans up and need cleaning
The number of unit, may determine that waste liquid discharge line is discharged liquid and is withdrawn or recirculated to detergent container simultaneously.
The invention have the benefit that
1) saving water resource: it is a kind of half dry-cleaning mode that the present invention cleans the mode of greasy dirt in construction refuse regenerated aggregate,
The foam density that the cleaning agent foaming selected produces is the least, uses same volume foam to clean and directly uses water-washing method pair
Ratio, can save the water consumption of about 90～95%.
2) cleaning efficiency is high: building waste is only transported by immersion in the foam containing cleaning agent and conveyer belt and piled up
Rubbing mutually in journey, i.e. can obtain the building waste of cleaning, and cleaning efficiency is the highest.
3) Processes and apparatus is simple, with low cost: only need conveyer belt, the round can of upper end open lower end closed, foam to send out
Raw device, detergent container, waste liquid discharge line just can form a cleaning unit.Wherein cleaning agent can when contacting with greasy dirt certainly
Dynamic rupture, clean greasy dirt, and when there is no greasy dirt long-time stable existence, there is " tracking " greasy dirt cleansing power；Cleaning agent exists
Reusable edible when there is not cleaning function.This makes equipment cost and material cost the cheapest.
4) simple to operate, easily controllable: by observing and adjust the height of foam, to refer to judge whether greasy dirt cleans dry
Clean and regulation needs the number of cleaning unit, may determine that waste liquid discharge line is discharged liquid and is withdrawn or recirculated to cleaning agent appearance simultaneously
Device.Operation the most simply and readily Automated condtrol.
5) environmental protection: while a large amount of saving water resources, cleaning agent fully recycles, and discharge waste liquid be prone to concentrate receive
Collection is disposed.
6) construction refuse regenerated performance enhancement: the cleaning agent that the present invention uses has the strongest surface activity, absorption oil
Still can adsorb on polar substances surface after dirt；Contain the detergent solution after the foam of cleaning agent, absorption greasy dirt after the cleaning
Have and remain in building waste cleaning regeneration aggregate surface, when being applied to concrete mixing, the cleaning agent pair of residual on a small quantity
The granule of cement cementitious material has peptizaiton, it is possible to reduce the consumption of water reducer；Meanwhile, the cleaning agent meeting after absorption greasy dirt
Being enriched in concrete surface, polar group is attracted by concrete, increases the impermeability of concrete.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of clean method described in the embodiment of the present invention 2.
Wherein, 1 is regeneration aggregate, and 2 is conveyer belt, and 3 is round can, and 4 is foam maker, and 5 is cleaner container, and 6 is bubble
Foam, 7 is three-way flow divider valve, and 8 is waste liquid discharge line, and 9 for reclaiming conveyer belt, and 10 is aggregate bin.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples pair
The present invention is further elaborated.It should be noted that accompanying drawing only as a example by property explanation, not by strict ratio drafting, and
And wherein may promising describe convenient and carry out partial enlargement, reduce, also may have certain lacking for conventional partial structure
Save；Below describe in use word "front", "rear", "left", "right", " on ", D score refer to the direction in accompanying drawing, word
" interior ", " outward " refer respectively to the direction towards or away from particular elements geometric center.
In following example, in the cleaning agent of employing, shared by each component, mass percent is: foaming agent 2.5%, stabilizer
0.4%, detergent 1.5%, water 95.6%；Wherein foaming agent is pressed by fat polyoxyethylenated alcohol sodium sulfate and sodium lauryl sulphate
The mass ratio of 55:45 mixes, state stabilizer be mass concentration be the modified silicone resin polyethers emulsion of 55%, detergent is ten
Dialkyl benzene sulfonic acids sodium.
In following example and comparative example, each cleaning unit is made up of a purge tank and a conveyer belt.
Comparative example 1
The most cleaned construction waste crushing, screening are prepared particle diameter 5-25mm regeneration aggregate and particle diameter 0-5mm reclaimed sand；
And be applied to prepare concrete, wherein regenerated coarse aggregate, reclaimed sand, normal silicate 42.5 cement, II level flyash, polycarboxylic acids
The mass ratio of water reducer and water is 1:3.2:3.5:0.76:0.24:0.015:0.82, and mixing divergence is the coagulation of 680～750
Soil, tests its 28 days intensity and seepage-resistant grade is shown in Table 1.
Comparative example 2
A kind of clean method of building refuse regeneration aggregate, its flow chart is shown in Fig. 1, specifically includes following steps:
1) building waste uses jaw crusher carry out crushing, then sub-electing 3mm particle diameter above section, obtains Regenerated Bone
Material 1；
2) preparation purge tank: purge tank include a upper end open sealed bottom large-scale round can 3 (diameter about 10m, highly
About 9m), connect with foam maker 4 bottom round can 3, foam maker 4 connects with detergent container 5, cleaning agent is delivered to
Foam maker 4 foams, and (density is 70kg/m by gained foam 63) fill to (foam-filled height in round can 3
Account for the 3/5 of round can height)；Also connecting with three-way flow divider valve 7 bottom described round can, two of which shunting outlet is arranged with waste liquid respectively
Go out pipeline 8 and detergent container connects 5；When wherein connecting with detergent container 5, after recyclable cleaning and regeneration aggregate lather collapse
Gained waste liquid, carries out foam (form cleaning agent and recycle system) again；
3) by step 1) gained regeneration aggregate 1 uses conveyer belt 2 to be unloaded by purge tank top and drops down onto in purge tank, wherein regenerate
Aggregate unloads to drop down onto and reclaims the bottom of conveyer belt 9 and be sent in aggregate bin 10, reclaims to obtain cleaning regeneration aggregate；Two wherein used
The speed of individual conveyer belt keeps consistent, and makes regeneration aggregate from entering foam to sending out foam by the speed controlling conveyer belt
In time be 5min.
In this comparative example, in cleaning unit, foam height declines very fast, and 10min height loss is more than 10%.
Carry out this comparative example gained clean aggregate crushing, sieving prepared particle diameter 5-25mm regeneration clean aggregate and particle diameter 0-
5mm regeneration cleaning sand；It is applied to prepare concrete wherein regenerated coarse aggregate, reclaimed sand, normal silicate 42.5 cement, II
The mass ratio of level flyash, polycarboxylate water-reducer and water is 1:3.2:3.5:0.76:0.24:0.013:0.82, gained concrete
28 days intensity and seepage-resistant grade test result are shown in Table 1.
Embodiment 1
A kind of environment-friendly type foam half dry-washing type construction refuse regenerated aggregate clean method, its flow process and comparative example 1 substantially phase
With, difference is to add a cleaning unit, specifically includes following steps:
1) building waste uses jaw crusher carry out crushing, then sub-electing 3mm particle diameter above section, obtains Regenerated Bone
Material 1；
2) preparation purge tank: purge tank include a upper end open sealed bottom large-scale round can (diameter about 10m, highly
About 9m), infusion port is set bottom round can, it connects with foam maker, and foam maker connects with detergent container, will cleaning
Agent is delivered in foam maker foam, and (density is 70kg/m by gained foam3) filled to round can by infusion port
In (foam-filled height accounts for the 3/5 of round can height)；Also set up leakage fluid dram bottom described round can, be connected with three-way flow divider valve, its
In two shunting outlet be connected with waste liquid discharge line and detergent container respectively；Control leakage fluid dram to connect with detergent container
Time, gained waste liquid after recyclable cleaning and regeneration aggregate lather collapse, again carry out foam (form cleaning agent and recycle system)；
3) by step 1) gained regeneration aggregate uses conveyer belt to be unloaded by purge tank top and drop down onto in purge tank, wherein Regenerated Bone
Material unloads the bottom of the conveyer belt dropping down onto second cleaning unit, and transmits to unload and drop down onto in second cleaning unit, then by the
Conveyer belt in two cleaning units is sent in aggregate bin, reclaims to obtain cleaning regeneration aggregate；Two cleanings wherein used are single
The speed of the conveyer belt in unit keeps consistent, and makes regeneration aggregate from entering foam to sending out by the speed controlling conveyer belt
Time in foam is 5min.
In the present embodiment, in first cleaning unit, foam height declines very fast, and in 10min, foam height loss exceedes
10%, in second cleaning unit, foam height declines more slow, and 10min height loss is less than 10%.
Carry out this enforcement gained cleaning regeneration aggregate crushing, sieving prepared particle diameter 5-25mm regeneration cleaning coarse aggregate and grain
Footpath 0-5mm regeneration cleaning sand；It is applied to prepare concrete, wherein regeneration cleaning coarse aggregate, regeneration cleaning sand, common silicic acid
The mass ratio of salt 42.5 cement, II level flyash, polycarboxylate water-reducer and water is 1:3.2:3.5:0.76:0.24:0.012:
0.82, mixing divergence is the concrete of 680～750mm；And test its 28 days intensity and seepage-resistant grade, the results are shown in Table 1.
Embodiment 2
A kind of environment-friendly type foam half dry-washing type construction refuse regenerated aggregate clean method, the method walks with described in embodiment 1
The most roughly the same, difference is to have employed 3 cleaning units.
In the present embodiment, in first cleaning unit, foam height declines very fast, 10min height loss more than 10%, the
Two, three cleaning unit foam heights decline more slow, and in 10min, foam height is lost all less than 10%.
Carry out this enforcement gained cleaning regeneration aggregate crushing, sieving prepared particle diameter 5-25mm regeneration cleaning coarse aggregate and grain
Footpath 0-5mm regeneration cleaning sand；Be applied to prepare concrete, concrete steps with embodiment 1,28 days intensity of gained concrete and
Seepage-resistant grade test result is shown in Table 1.
Table 1 embodiment 1-2 and the performance test results of comparative example 1-2 gained concrete
| Numbering | Water reducer consumption | 28 days intensity | Seepage-resistant grade |
| Comparative example 1 | 1.5% | 27.3MPa | P4 |
| Comparative example 2 | 1.3% | 29.2MPa | P6 |
| Embodiment 1 | 1.2% | 32.8MPa | P6 |
| Embodiment 2 | 1.2% | 33.5MPa | P6 |
The above results shows:
1) from strength test results this it appears that: by two or more cleaning unit gained cleaning regeneration aggregate prepare
Concrete strength (embodiment 1,2) ＞ by cleaning unit (comparative example 2) ＞ by cleaning unit (comparative example 1)；
And it is essentially identical with by two cleaning units by three cleaning unit regenerated aggregate intensity.This explanation is single by a cleaning
There is certain cleaning function in unit to regenerated aggregate greasy dirt, but non-washes clean；And the increase of the 3rd cleaning unit does not makes again
The raw greasy dirt degree of cleaning that gathers materials increases further.This keeps consistent with foam fall off rate result.
2) concrete impervious ability is prepared apparently higher than not by cleaning unit by the regenerated aggregate after cleaning unit.
3) when preparing concrete by the regenerated aggregate after cleaning unit, water reducer consumption substantially reduces.
Obviously, above-described embodiment is only by clearly demonstrating made example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change therefore amplified or change
Within moving still in the protection domain of the invention.
Claims (9)
1. an environment-friendly type foam half dry-washing type construction refuse regenerated aggregate clean method, it is characterised in that comprise the following steps:
1) carry out building waste crushing, sorting, obtain regeneration aggregate；
2) preparation purge tank: described purge tank includes the round can of a upper end open sealed bottom, occurs with foam bottom round can
Device connects, and uses cleaning agent to foam, and filled to round can by infusion port by gained foam in described foam maker；
3) by step 1) gained regeneration aggregate uses conveyer belt to be unloaded by purge tank top and drop down onto in purge tank, one of them conveyer belt
With purge tank one cleaning unit of composition, the regeneration aggregate sent out in previous cleaning unit unloads and drops down onto next cleaning
The conveyer belt bottom of unit, and transmit, unload and drop down onto in next one cleaning unit；In last cleaning unit, regeneration aggregate leads to
Cross recovery conveyer belt to be sent in aggregate bin, reclaim to obtain cleaning regeneration aggregate.
Clean method the most according to claim 1, it is characterised in that the particle diameter of described regeneration aggregate is not less than 3mm.
Clean method the most according to claim 1, it is characterised in that step 3) in more than 2 cleaning units are set.
Clean method the most according to claim 1, it is characterised in that step 3) in control in each cleaning unit, regeneration
Aggregate is from entering round can foam to the time sent out in foam for being not less than 5min.
Clean method the most according to claim 1, it is characterised in that foam in described foam maker the close of gained foam
Degree is 60～120kg/m3。
Clean method the most according to claim 1, it is characterised in that mass percent shared by each component in described cleaning agent
For: foaming agent 2～3%, stabilizer 0.3～0.5%, detergent 1～2%, remaining is water.
Clean method the most according to claim 1, it is characterised in that described foaming agent is by fat polyoxyethylenated alcohol sodium sulfate
Mix by the mass ratio of 55:45～60:40 with sodium lauryl sulphate；Described stabilizer is modified silicone resin polyethers breast
Liquid；Described detergent is one or both mixing in dodecylbenzene sodium sulfonate, dodecyl sodium sulfate.
Clean method the most according to claim 1, it is characterised in that described foam maker is connected with detergent container,
Cleaning agent in detergent container is sent in foam maker.
Clean method the most according to claim 1, it is characterised in that be also connected with three-way flow divider valve bottom described round can,
Two of which shunting outlet is connected with waste liquid discharge line and detergent container respectively.
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| CN109265037A (en) * | 2018-11-09 | 2019-01-25 | 山东大学 | A kind of apparatus and method gathered materials based on in-situ preparation C-S-H intensifying regenerating |
| CN109503011A (en) * | 2018-11-15 | 2019-03-22 | 盐城市百世达建材有限公司 | A kind of recovery method of little particle sandstone in concrete walls |
| CN110078391A (en) * | 2019-04-17 | 2019-08-02 | 苏州鑫蔚谷环保产业有限公司 | A kind of building waste, which is milled, disposes recoverying and utilizing method |
| CN111623383A (en) * | 2019-02-28 | 2020-09-04 | 青岛海尔智慧厨房电器有限公司 | Cleaning device, integrated stove and control method of integrated stove |
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| CN202752095U (en) * | 2012-08-24 | 2013-02-27 | 首钢总公司 | Scraper type wet washer |
| CN204544858U (en) * | 2015-04-23 | 2015-08-12 | 陕西建新环保科技发展有限公司 | A kind of water washing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109265037A (en) * | 2018-11-09 | 2019-01-25 | 山东大学 | A kind of apparatus and method gathered materials based on in-situ preparation C-S-H intensifying regenerating |
| US11187460B2 (en) | 2018-11-09 | 2021-11-30 | Shandong University | Device and method for reinforcing recycled aggregate based on in-situ C-S-H production |
| CN109503011A (en) * | 2018-11-15 | 2019-03-22 | 盐城市百世达建材有限公司 | A kind of recovery method of little particle sandstone in concrete walls |
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