CN104072066B - A kind ofly utilize road pavements of ceramic waste material and building waste and preparation method thereof - Google Patents
A kind ofly utilize road pavements of ceramic waste material and building waste and preparation method thereof Download PDFInfo
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- CN104072066B CN104072066B CN201410341103.4A CN201410341103A CN104072066B CN 104072066 B CN104072066 B CN 104072066B CN 201410341103 A CN201410341103 A CN 201410341103A CN 104072066 B CN104072066 B CN 104072066B
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- 239000002699 waste material Substances 0.000 title claims abstract description 207
- 239000000919 ceramic Substances 0.000 title claims abstract description 123
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- -1 myo-inositol phosphates Chemical class 0.000 claims abstract description 47
- 239000004567 concrete Substances 0.000 claims abstract description 43
- 239000000835 fiber Substances 0.000 claims abstract description 43
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 35
- 229960000367 inositol Drugs 0.000 claims abstract description 35
- 235000021317 phosphate Nutrition 0.000 claims abstract description 35
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 claims abstract description 35
- 150000002500 ions Chemical class 0.000 claims abstract description 33
- 229920002396 Polyurea Polymers 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 17
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000010457 zeolite Substances 0.000 claims abstract description 17
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000003469 silicate cement Substances 0.000 claims abstract description 12
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 12
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 29
- 238000013467 fragmentation Methods 0.000 claims description 16
- 238000006062 fragmentation reaction Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000007885 magnetic separation Methods 0.000 claims description 15
- 239000003923 scrap metal Substances 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 12
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims description 12
- 229950006191 gluconic acid Drugs 0.000 claims description 12
- 238000002386 leaching Methods 0.000 claims description 12
- 239000004593 Epoxy Substances 0.000 claims description 10
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 10
- 150000007942 carboxylates Chemical class 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000003085 diluting agent Substances 0.000 claims description 10
- 238000007580 dry-mixing Methods 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 10
- 235000012054 meals Nutrition 0.000 claims description 10
- 229920006122 polyamide resin Polymers 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 10
- 238000012216 screening Methods 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 239000008096 xylene Substances 0.000 claims description 10
- 239000002910 solid waste Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229910052573 porcelain Inorganic materials 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 230000008929 regeneration Effects 0.000 abstract description 39
- 238000011069 regeneration method Methods 0.000 abstract description 39
- 230000032050 esterification Effects 0.000 abstract description 14
- 238000005886 esterification reaction Methods 0.000 abstract description 14
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 description 10
- 230000000704 physical effect Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
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- 239000007791 liquid phase Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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- 238000001179 sorption measurement Methods 0.000 description 1
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Classifications
-
- 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
- Processing Of Solid Wastes (AREA)
Abstract
The present invention discloses a kind of road pavements and the preparation method that utilize ceramic waste material and building waste, relates to ceramic waste utilization field.Road pavements is with silicate cement 30 ~ 50 parts, ceramic waste material fine aggregate 50 ~ 90 parts, building waste coarse aggregate 120 ~ 160 parts, zeolite powder 15 ~ 20 parts, organic fibre 1 ~ 10 part, 1 ~ 5 part, sodium sulfate, water reducer 1 ~ 2 part, polyureas jelling agent 1 ~ 3 part, myo-inositol phosphates 0.5 ~ 1 part, 20 ~ 40 parts, water is made for raw material.The present invention utilizes ceramic waste material and building waste to carry out compound to prepare regeneration aggregate, the problem of environmental pollution that solution ceramic waste material and building waste cause, and carry out effective proportioning with zeolite, organic fibre after esterification treatment is carried out to regeneration aggregate, ensure concrete be there is enough intensity while, heavy metal ion in ceramic waste material and building waste is effectively solidified, effectively prevents from causing secondary pollution to environment.
Description
Technical field
The present invention relates to and a kind ofly utilize road pavements of ceramic waste material and building waste and preparation method thereof, belong to ceramic waste utilization field.
Background technology
In ceramic tile production, ceramic tile discards a kind of solid waste that Pian Shi ceramic tile production enterprise produces.Ceramic tile discards discharge and the accumulation of sheet, is the manufacturing a great problem of long-standing problem ceramic tile production.Not only occupy a large amount of soil, harm is biological, and cause the waste of raw material.
Meanwhile, along with the development of China's economic construction, the amount of building waste progressively increases, and construction refuse resource not only can subtract
The environmental problem that few dumping brings, also can economize on resources, thus effective process of building waste seems particularly important.Build
Building refuse complicated component, all contains a large amount of discarded concretes in most building wastes, and research is both at home and abroad thought, it is feasible for doing regeneration aggregate with discarded building refuse concrete.
But, producing in the process of aggregate to these ceramic tile wastes and building waste processing and utilization, find in performance, to there is certain difference due to regeneration aggregate and natural aggregate, compared with natural aggregate, because regeneration aggregate surface is wrapped in a considerable amount of sand-cement slurry, in addition concrete blocks is because damage accumulation etc. makes regeneration aggregate inside there is a large amount of microcrack in the processes such as disintegration fragmentation, and these factors all make regeneration aggregate have the features such as porosity is high, water-absorbent is large, intensity is low.Therefore, the intensity of the regeneration concrete of directly part or all of regeneration aggregate preparation has decline in various degree compared with the identical proportioning concrete prepared with natural aggregate; Secondly, again due to many containing heavy metal ion in ceramic tile waste and building waste because regeneration aggregate to have porosity high, so heavy metal ion easily runs off with precipitation, secondary pollution is caused to environment.
Therefore, be necessary these solid waste to carry out rational treatment and disposal, reducing the wasting of resources and secondary pollution to greatest extent, is the inevitable choice of scientific and technical innovation, Sustainable development.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly utilizes road pavements of ceramic waste material and building waste and preparation method thereof, utilize ceramic waste material and building waste to carry out compound and prepare regeneration aggregate, the problem of environmental pollution that solution ceramic waste material and building waste cause, and carry out effective proportioning with zeolite, organic fibre after esterification treatment is carried out to regeneration aggregate, ensure concrete be there is enough intensity while, heavy metal ion in ceramic waste material and building waste is effectively solidified, prevents from causing secondary pollution to environment.
In order to solve the problem, the technical solution adopted in the present invention is:
A kind of road pavements utilizing ceramic waste material and building waste, described paver is made up of the raw material of following weight proportioning: silicate cement 30 ~ 50 parts, ceramic waste material fine aggregate 50 ~ 90 parts, building waste coarse aggregate 120 ~ 160 parts, zeolite powder 15 ~ 20 parts, organic fibre 1 ~ 10 part, 1 ~ 5 part, sodium sulfate, water reducer 1 ~ 2 part, polyureas jelling agent 1 ~ 3 part, myo-inositol phosphates 0.5 ~ 1 part, 20 ~ 40 parts, water;
Wherein, described ceramic waste material fine aggregate is that the dead meal produced in Production of Ceramics process carries out grinding the fine aggregate particle that the particle diameter made is 0.75 ~ 3mm after removing scrap metal, carboxylate spray through sorting, fragmentation, magnetic separation;
The coarse aggregate particle that described building waste coarse aggregate is concrete in building castoff, waste concrete class body of wall, barren rock material are 5 ~ 20mm through the particle diameter that sorting, fragmentation, magnetic separation are made after removing scrap metal, carboxylate spray by kind sorting;
Described polyureas jelling agent is made up of epoxy resin, epoxy active diluent, polyamide resin, xylene solvent, and its concrete proportioning is: epoxy resin 2-8 part, polyamide resin 2 ~ 9 parts, epoxy active diluent 1-2 part, and xylene solvent consists of 1 ~ 3 part;
Described organic fibre is the particle diameter that polyethylene fibre, polypropylene fibre, modified polyethylene fiber or modified polypropylene fiber are made is fiber grain, and single organic fibre particle diameter is at least 2 ~ 4mm.
According to the preferred version utilizing the road pavements of ceramic waste material and building waste of the present invention, the parts by weight of each bulk drug are: described paver is made up of the raw material of following weight proportioning: silicate cement 35 parts, ceramic waste material fine aggregate 70 parts, building waste coarse aggregate 90 parts, zeolite powder 15 parts, organic fibre part 5 parts, 3 parts, sodium sulfate, water reducer 1 part, polyureas jelling agent 2 parts, myo-inositol phosphates 0.5 part, 40 parts, water.
Described ceramic waste material fine aggregate particle diameter is 0.75 ~ 1mm.
Described building waste coarse aggregate size is 15 ~ 20mm.
The above-mentioned preparation method of the road pavements of ceramic waste material and building waste that utilizes is made up of following steps:
(1) rejected material screening, classification:
A. make processing ceramic waste material fine aggregate: the dead meal produced in Production of Ceramics process is become solid waste and damaged blank according to useless porcelain mud after dehydration, do not calcine the damaged waste product of glazing and calcined glazing work in-process, have the different waste ceramic rejected material kinds of breakage or crackle to carry out sorting screening; And after it is crushed to centimetre-sized granularity respectively, eliminate the inside metal, timber impurity;
B. make building waste coarse aggregate: building waste coarse aggregate is concrete in building castoff, waste concrete class body of wall, barren rock material by kind sorting through scrap metal is removed in sorting, fragmentation, magnetic separation, the particle diameter made is 5 ~ 20mm coarse aggregate particle; (2) aggregate heavy metal pre-treatment:
A. by the ceramic waste material fine aggregate of centimetre-sized granularity with 5 ~ 10% glyconic acid solution carry out leaching cleaning, separate out the heavy metal ion existed in ceramic waste material, after drying with clear water flushing again, again the waste ceramic rejected material of centimetre-sized granularity is carried out abundant crushing grinding, its particle diameter is made to be further reduced to 0.75 ~ 3mm, simultaneously, myo-inositol phosphates is added in process of lapping, the heavy metal ion remaining in ceramic waste material particle surface is combined with it, forms one deck myo-inositol phosphates chemical conversion film on ceramic waste material fine aggregate surface;
B. by coarse aggregate particle with 5 ~ 10% glyconic acid solution leaching cleaning, separate out the heavy metal ion existed in building refuse coarse aggregate, rinse with clear water again and dry rear spray myo-inositol phosphates, the heavy metal ion remaining in building refuse coarse aggregate surface is combined with it, forms one deck myo-inositol phosphates chemical conversion film on ceramic waste material fine aggregate surface;
(3) be uniformly mixed:
A. silicate cement, ceramic waste material fine aggregate, building waste coarse aggregate, zeolite powder, sodium sulfate are poured in stirrer in proportion and stirred, in whipping process, add organic fibre, dry mixing is even;
B. in the uniform compound of dry mixing, add polyureas jelling agent, water and water reducer successively, carry out secondary stirring, after mixing, namely obtain the road pavements utilizing ceramic waste material and building waste finally.
beneficial effect: the technical scheme described in the present invention utilizes ceramic waste material and building waste to carry out compound to prepare regeneration aggregate, the problem of environmental pollution that solution ceramic waste material and building waste cause, and carry out effective proportioning with zeolite, organic fibre after esterification treatment is carried out to regeneration aggregate, ensure concrete be there is enough intensity while, heavy metal ion in ceramic waste material and building waste is effectively solidified, prevents from causing secondary pollution to environment.
Embodiment
embodiment 1
1, proportioning raw materials:
Silicate cement 30 parts, ceramic waste material fine aggregate 50 parts, building waste coarse aggregate 120 parts, zeolite powder 15 parts, organic fibre 1 part, 1 part, sodium sulfate, water reducer 1 part, polyureas jelling agent 1 part, myo-inositol phosphates 0.5 part, 20 parts, water;
Wherein, described ceramic waste material fine aggregate is that the dead meal produced in Production of Ceramics process carries out grinding the fine aggregate particle that the particle diameter made is 0.75mm after removing scrap metal, carboxylate spray through sorting, fragmentation, magnetic separation;
The coarse aggregate particle that described building waste coarse aggregate is concrete in building castoff, waste concrete class body of wall, barren rock material are 5mm through the particle diameter that sorting, fragmentation, magnetic separation are made after removing scrap metal, carboxylate spray by kind sorting;
Described polyureas jelling agent is made up of epoxy resin, epoxy active diluent, polyamide resin, xylene solvent, and its concrete proportioning is: epoxy resin 2 parts, polyamide resin 2 parts, epoxy active diluent 1 part, and xylene solvent consists of 1 part;
Described organic fibre is the particle diameter that polyethylene fibre, polypropylene fibre, modified polyethylene fiber or modified polypropylene fiber are made is fiber grain, and single organic fibre particle diameter is 2mm.
Ceramic waste material fine aggregate particle diameter is 0.75mm; Building waste coarse aggregate size is 15mm.
2, preparation method:
(1) rejected material screening, classification:
A. make processing ceramic waste material fine aggregate: the dead meal produced in Production of Ceramics process is become solid waste and damaged blank according to useless porcelain mud after dehydration, do not calcine the damaged waste product of glazing and calcined glazing work in-process, have the different waste ceramic rejected material kinds of breakage or crackle to carry out sorting screening; And after it is crushed to centimetre-sized granularity respectively, eliminate the inside metal, timber impurity;
B. make building waste coarse aggregate: building waste coarse aggregate is concrete in building castoff, waste concrete class body of wall, barren rock material by kind sorting through scrap metal is removed in sorting, fragmentation, magnetic separation, the particle diameter made is 5mm coarse aggregate particle;
(2) aggregate heavy metal pre-treatment:
A. by the ceramic waste material fine aggregate of centimetre-sized granularity with 5 ~ 10% glyconic acid solution carry out leaching cleaning, separate out the heavy metal ion existed in ceramic waste material, after drying with clear water flushing again, again the waste ceramic rejected material of centimetre-sized granularity is carried out abundant crushing grinding, its particle diameter is made to be further reduced to 0.75mm, simultaneously, myo-inositol phosphates is added in process of lapping, the heavy metal ion remaining in ceramic waste material particle surface is combined with it, forms one deck myo-inositol phosphates chemical conversion film on ceramic waste material fine aggregate surface;
B. by coarse aggregate particle with 5 ~ 10% glyconic acid solution leaching cleaning, separate out the heavy metal ion existed in building refuse coarse aggregate, rinse with clear water again and dry rear spray myo-inositol phosphates, the heavy metal ion remaining in building refuse coarse aggregate surface is combined with it, forms one deck myo-inositol phosphates chemical conversion film on ceramic waste material fine aggregate surface;
(3) be uniformly mixed:
A. silicate cement, ceramic waste material fine aggregate, building waste coarse aggregate, zeolite powder, sodium sulfate are poured in stirrer in proportion and stirred, in whipping process, add organic fibre, dry mixing is even;
B. in the uniform compound of dry mixing, add polyureas jelling agent, water and water reducer successively, carry out secondary stirring, after mixing, namely obtain the road pavements utilizing ceramic waste material and building waste finally.
embodiment 2
1, proportioning raw materials:
Silicate cement 50 parts, ceramic waste material fine aggregate 90 parts, building waste coarse aggregate 160 parts, zeolite powder 20 parts, organic fibre 10 parts, 5 parts, sodium sulfate, water reducer 2 parts, polyureas jelling agent 3 parts, myo-inositol phosphates 1 part, 40 parts, water;
Wherein, described ceramic waste material fine aggregate is that the dead meal produced in Production of Ceramics process carries out grinding the fine aggregate particle that the particle diameter made is 1mm after removing scrap metal, carboxylate spray through sorting, fragmentation, magnetic separation;
The coarse aggregate particle that described building waste coarse aggregate is concrete in building castoff, waste concrete class body of wall, barren rock material are 20mm through the particle diameter that sorting, fragmentation, magnetic separation are made after removing scrap metal, carboxylate spray by kind sorting;
Described polyureas jelling agent is made up of epoxy resin, epoxy active diluent, polyamide resin, xylene solvent, and its concrete proportioning is: epoxy resin 8 parts, polyamide resin 9 parts, epoxy active diluent 2 parts, and xylene solvent consists of 3 parts;
Particle diameter is fiber grain, and single organic fibre particle diameter is 10mm.
Described ceramic waste material fine aggregate particle diameter is 1mm, and described building waste coarse aggregate size is 20mm.
2, preparation method:
(1) rejected material screening, classification:
A. make processing ceramic waste material fine aggregate: the dead meal produced in Production of Ceramics process is become solid waste and damaged blank according to useless porcelain mud after dehydration, do not calcine the damaged waste product of glazing and calcined glazing work in-process, have the different waste ceramic rejected material kinds of breakage or crackle to carry out sorting screening; And after it is crushed to centimetre-sized granularity respectively, eliminate the inside metal, timber impurity;
B. make building waste coarse aggregate: building waste coarse aggregate is concrete in building castoff, waste concrete class body of wall, barren rock material by kind sorting through scrap metal is removed in sorting, fragmentation, magnetic separation, the particle diameter made is 20mm coarse aggregate particle;
(2) aggregate heavy metal pre-treatment:
A. by the ceramic waste material fine aggregate of centimetre-sized granularity with 5 ~ 10% glyconic acid solution carry out leaching cleaning, separate out the heavy metal ion existed in ceramic waste material, after drying with clear water flushing again, again the waste ceramic rejected material of centimetre-sized granularity is carried out abundant crushing grinding, its particle diameter is made to be further reduced to 3mm, simultaneously, myo-inositol phosphates is added in process of lapping, the heavy metal ion remaining in ceramic waste material particle surface is combined with it, forms one deck myo-inositol phosphates chemical conversion film on ceramic waste material fine aggregate surface;
B. by coarse aggregate particle with 5 ~ 10% glyconic acid solution leaching cleaning, separate out the heavy metal ion existed in building refuse coarse aggregate, rinse with clear water again and dry rear spray myo-inositol phosphates, the heavy metal ion remaining in building refuse coarse aggregate surface is combined with it, forms one deck myo-inositol phosphates chemical conversion film on ceramic waste material fine aggregate surface;
(3) be uniformly mixed:
A. silicate cement, ceramic waste material fine aggregate, building waste coarse aggregate, zeolite powder, sodium sulfate are poured in stirrer in proportion and stirred, in whipping process, add organic fibre, dry mixing is even;
B. in the uniform compound of dry mixing, add polyureas jelling agent, water and water reducer successively, carry out secondary stirring, after mixing, namely obtain the road pavements utilizing ceramic waste material and building waste finally.
embodiment 3
1, preferably, described paver is made up of the raw material of following weight proportioning:
Silicate cement 35 parts, ceramic waste material fine aggregate 70 parts, building waste coarse aggregate 90 parts, zeolite powder 15 parts, organic fibre part 5 parts, 3 parts, sodium sulfate, water reducer 1 part, polyureas jelling agent 2 parts, myo-inositol phosphates 0.5 part, 40 parts, water.
Wherein, described ceramic waste material fine aggregate is that the dead meal produced in Production of Ceramics process carries out grinding the fine aggregate particle that the particle diameter made is 0.75mm after removing scrap metal, carboxylate spray through sorting, fragmentation, magnetic separation;
The coarse aggregate particle that described building waste coarse aggregate is concrete in building castoff, waste concrete class body of wall, barren rock material are 15mm through the particle diameter that sorting, fragmentation, magnetic separation are made after removing scrap metal, carboxylate spray by kind sorting;
Described described polyureas jelling agent is made up of epoxy resin, epoxy active diluent, polyamide resin, xylene solvent, and its concrete proportioning is: epoxy resin 2 parts, polyamide resin 2 parts, epoxy active diluent 1 part, and xylene solvent consists of 1 part;
Particle diameter is fiber grain, and single organic fibre particle diameter is 10mm.
Described ceramic waste material fine aggregate particle diameter is 0.75mm, and described building waste coarse aggregate size is 15mm.
2, preparation method:
(1) rejected material screening, classification:
A. make processing ceramic waste material fine aggregate: the dead meal produced in Production of Ceramics process is become solid waste and damaged blank according to useless porcelain mud after dehydration, do not calcine the damaged waste product of glazing and calcined glazing work in-process, have the different waste ceramic rejected material kinds of breakage or crackle to carry out sorting screening; And after it is crushed to centimetre-sized granularity respectively, eliminate the inside metal, timber impurity;
B. make building waste coarse aggregate: building waste coarse aggregate is concrete in building castoff, waste concrete class body of wall, barren rock material by kind sorting through scrap metal is removed in sorting, fragmentation, magnetic separation, the particle diameter made is 20mm coarse aggregate particle;
(2) aggregate heavy metal pre-treatment:
A. by the ceramic waste material fine aggregate of centimetre-sized granularity with 5 ~ 10% glyconic acid solution carry out leaching cleaning, separate out the heavy metal ion existed in ceramic waste material, after drying with clear water flushing again, again the waste ceramic rejected material of centimetre-sized granularity is carried out abundant crushing grinding, its particle diameter is made to be further reduced to 3mm, simultaneously, myo-inositol phosphates is added in process of lapping, the heavy metal ion remaining in ceramic waste material particle surface is combined with it, forms one deck myo-inositol phosphates chemical conversion film on ceramic waste material fine aggregate surface;
B. by coarse aggregate particle with 5 ~ 10% glyconic acid solution leaching cleaning, separate out the heavy metal ion existed in building refuse coarse aggregate, rinse with clear water again and dry rear spray myo-inositol phosphates, the heavy metal ion remaining in building refuse coarse aggregate surface is combined with it, forms one deck myo-inositol phosphates chemical conversion film on ceramic waste material fine aggregate surface;
(3) be uniformly mixed:
A. silicate cement, ceramic waste material fine aggregate, building waste coarse aggregate, zeolite powder, sodium sulfate are poured in stirrer in proportion and stirred, in whipping process, add organic fibre, dry mixing is even;
B. in the uniform compound of dry mixing, add polyureas jelling agent, water and water reducer successively, carry out secondary stirring, after mixing, namely obtain the road pavements utilizing ceramic waste material and building waste finally.
embodiment 4 intensity experiment utilizing the road pavements of ceramic waste material and building waste of the present invention:
1. experiment material
The confession examination material of experimental group 1:
A. the road pavements utilizing ceramic waste material and building waste that Example 1 obtains.
B. the road pavements utilizing ceramic waste material and building waste that Example 1 obtains, wherein said aggregate is without esterification treatment and do not add polyureas jelling agent.
C. the road pavements utilizing ceramic waste material and building waste that Example 1 obtains, wherein said aggregate adopts natural aggregate at the same level, and aggregate is without esterification treatment with do not add polyureas jelling agent.
The confession examination material of experimental group 2:
A. the road pavements utilizing ceramic waste material and building waste that Example 2 obtains.
B. the road pavements utilizing ceramic waste material and building waste that Example 2 obtains, wherein said aggregate is without esterification treatment and do not add polyureas jelling agent.
C. the road pavements utilizing ceramic waste material and building waste that Example 2 obtains, wherein said aggregate adopts natural aggregate at the same level, and aggregate is without esterification treatment with do not add polyureas jelling agent.
The confession examination material of experimental group 3:
A. the road pavements utilizing ceramic waste material and building waste that Example 3 obtains.
B. the road pavements utilizing ceramic waste material and building waste that Example 3 obtains, wherein said aggregate is without esterification treatment and do not add polyureas jelling agent.
C. the road pavements utilizing ceramic waste material and building waste that Example 3 obtains, wherein said aggregate adopts natural aggregate at the same level, and aggregate is without esterification treatment with do not add polyureas jelling agent.
. experimental technique: physical property is tested
All by natural concrete aggregate, experiment test is carried out to obtained utilize every physical property experiment of regeneration aggregate in the road pavements of ceramic waste material and building waste and crush index experiment.
3, experimental result
Table 1: regeneration aggregate physicals
A in three experimental group from table 1, B, the contrast of C can find out that undressed regeneration aggregate is compared with natural aggregate at the same level, the water ratio of regeneration aggregate, water-intake rate, apparent density, crush index is all higher than the natural aggregate of peer, and according to the equal water ratio of indices of the regeneration aggregate made by embodiment 1 ~ 3, water-intake rate, apparent density, crush index is all lower than the natural aggregate of peer, through after esterification treatment and the process of interpolation polyureas jelling agent, regeneration aggregate self-strength all increases, crush index makes moderate progress, wherein, as in preferred embodiment 3, the regeneration aggregate of ceramic waste material and building waste is through after esterification treatment and the process of interpolation polyureas jelling agent, regeneration aggregate self-strength promotes maximum.Polyureas jelling agent and myo-inositol phosphates with the use of, first myo-inositol phosphates is used to spray, regeneration aggregate particle surface is made to generate one deck myo-inositol phosphates chemical conversion film, add polyureas jelling agent being uniformly mixed in process again, "-OH " in myo-inositol phosphates chemical conversion film is utilized to combine with "-NCO " chemical bond of polyureas jelling agent, concrete is driven to combine with the myo-inositol phosphates chemical conversion film of regeneration aggregate particle surface, crackle in regeneration aggregate body and hole are filled, regeneration aggregate surface uniform is wrapped, thus improve the intensity of regeneration aggregate.
Table 2: the mechanical property of regeneration concrete
The contrast and experiment of A, B, C is numbered in three experimental group from table 2, known through esterification treatment with after adding the process of polyureas jelling agent, compared with utilize regeneration aggregate to make coagulation that concrete and natural aggregate at the same level make, resistance to compression degree and folding strength have obvious lifting, overcome the shortcoming of former regeneration aggregate undercapacity.Especially, in embodiment group, adding of organic fibre, greatly strengthen regeneration aggregate and make concrete intensity and toughness.
embodiment 5 experiment utilizing the road pavements heavy metal cationic cure effect of ceramic waste material and building waste of the present invention:
1. experiment material
A. the road pavements of ceramic waste material and building waste that utilizes of Example 1 makes the concrete blocks that length, width and height are 20x15x10.
What B. Example 1 obtained utilizes the road pavements of ceramic waste material and building waste to make the concrete blocks that length, width and height are 20x15x10, and wherein said aggregate is without glyconic acid solution leaching, esterification treatment and do not add polyureas jelling agent.
2. test method:
Simulated rainwater soaks when carrying out grade to ABC tri-groups of concrete blockss, carries out heavy metal concentration inspection to the matter of soaking rear water.
3. test-results:
Table 3: the leachability of heavy metal element in concrete
| Experiment group number | Cr content (%) | Pb content (%) | Ni content (%) | Hg content (%) | Zn content |
| A | 0.5 | 1.2 | 0.2 | 0.3 | 0.6 |
| B | 3.0 | 3.2 | 2.2 | 1.3 | 3.2 |
As can be known from Table 3, the present invention effectively can be solidified the heavy metal ion in ceramic waste material and building waste, first the glyconic acid solution of 5 ~ 10% is utilized to carry out leaching to regeneration aggregate, due to regeneration aggregate water-absorbent and water-permeable better, make heavy metal ion remaining in regeneration aggregate enter liquid phase and separate out a part, because heavy metal ion can remain in regeneration aggregate surface, add myo-inositol phosphates, heavy metal ion and myo-inositol phosphates are reacted, myo-inositol phosphates chemical conversion film is formed at regeneration aggregate, regeneration aggregate is wrapped up, effectively solidify for heavy metal ion, simultaneously, in existing research, think that Portland cement concrete (PCC) heavy metal ion has certain adsorptivity, and zeolite and adding of organic fibre will ensure on the basis of its other performances original, promote the performance of concrete Adsorption of Heavy Metal Ions.
Technical scheme described in the present invention utilizes ceramic waste material and building waste to carry out compound to prepare regeneration aggregate, the problem of environmental pollution that solution ceramic waste material and building waste cause, and carry out effective proportioning with zeolite, organic fibre after esterification treatment is carried out to regeneration aggregate, ensure concrete be there is enough intensity while, heavy metal ion in ceramic waste material and building waste is effectively solidified, prevents from causing secondary pollution to environment.
The content that the present invention is described by embodiment, without departing from the present invention, various conversion and equivalent replacement can also be carried out to patent of the present invention, therefore, patent of the present invention is not limited to disclosed specific implementation process, and should comprise the whole embodiments fallen within the scope of Patent right requirement of the present invention.
Claims (2)
1. one kind utilizes the road pavements of ceramic waste material and building waste, it is characterized in that, described paver is made up of the raw material of following weight proportioning: silicate cement 30 ~ 50 parts, ceramic waste material fine aggregate 50 ~ 90 parts, building waste coarse aggregate 120 ~ 160 parts, zeolite powder 15 ~ 20 parts, organic fibre 1 ~ 10 part, 1 ~ 5 part, sodium sulfate, water reducer 1 ~ 2 part, polyureas jelling agent 1 ~ 3 part, myo-inositol phosphates 0.5 ~ 1 part, 20 ~ 40 parts, water;
Wherein, described ceramic waste material fine aggregate is that the dead meal produced in Production of Ceramics process carries out grinding the ceramic waste material fine aggregate particle that the particle diameter made is 0.75 ~ 1mm after removing scrap metal, carboxylate spray through sorting, fragmentation, magnetic separation;
The building waste coarse aggregate particle that described building waste coarse aggregate is concrete in building castoff, barren rock material is 15mm through the particle diameter that sorting, fragmentation, magnetic separation are made after removing scrap metal, carboxylate spray by kind;
Described polyureas jelling agent is made up of epoxy resin, epoxy active diluent, polyamide resin, xylene solvent, and its concrete proportioning is: epoxy resin 2-8 part, polyamide resin 2 ~ 9 parts, epoxy active diluent 1-2 part, and xylene solvent is 1 ~ 3 part;
Described organic fibre is the fiber grain that polyethylene fibre, polypropylene fibre, modified polyethylene fiber or modified polypropylene fiber are made, and single organic fibre particle diameter is 2 ~ 4mm.
2. a kind of preparation method utilizing the road pavements of ceramic waste material and building waste according to claim 1, is characterized in that, be made up of following steps:
(1) rejected material screening, classification:
A. make processing ceramic waste material fine aggregate: the dead meal produced in Production of Ceramics process is formed solid waste and damaged blank according to useless porcelain mud after dehydration, do not calcine the damaged waste product of glazing and calcined glazing work in-process, have the different waste ceramic rejected material kinds of breakage or crackle to carry out sorting screening; And after it is crushed to centimetre-sized granularity respectively, eliminate the inside metal, timber impurity;
B. make building waste coarse aggregate: building waste coarse aggregate is concrete in building castoff, barren rock material by kind through scrap metal is removed in sorting, fragmentation, magnetic separation, the particle diameter made is 15mm building waste coarse aggregate particle;
(2) aggregate heavy metal pre-treatment:
A. by the ceramic waste material fine aggregate of centimetre-sized granularity with 5 ~ 10% glyconic acid solution carry out leaching cleaning, separate out the heavy metal ion existed in ceramic waste material, after drying with clear water flushing again, again the ceramic waste material fine aggregate of centimetre-sized granularity is carried out abundant crushing grinding, its particle diameter is made to be further reduced to 0.75 ~ 1mm, simultaneously, myo-inositol phosphates is added in process of lapping, the heavy metal ion remaining in ceramic waste material fine aggregate particle surface is combined with it, forms one deck myo-inositol phosphates chemical conversion film on ceramic waste material fine aggregate surface;
B. by building waste coarse aggregate particle with 5 ~ 10% glyconic acid solution leaching cleaning, separate out the heavy metal ion existed in building waste coarse aggregate, rinse with clear water again and dry rear spray myo-inositol phosphates, the heavy metal ion remaining in building waste coarse aggregate surface is combined with it, forms one deck myo-inositol phosphates chemical conversion film on building waste coarse aggregate surface;
(3) be uniformly mixed:
A. silicate cement, ceramic waste material fine aggregate, building waste coarse aggregate, zeolite powder, sodium sulfate are poured in stirrer in proportion and stirred, in whipping process, add organic fibre, dry mixing is even;
B. in the uniform compound of dry mixing, add polyureas jelling agent, water and water reducer successively, carry out secondary stirring, after mixing, namely obtain the road pavements utilizing ceramic waste material and building waste finally.
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Effective date of registration: 20200424 Address after: 410100 No.1, Maotang Industrial Park community, Ansha Town, Changsha County, Changsha City, Hunan Province (third floor, Changsha Taihua metal materials Co., Ltd.) Patentee after: Hunan Yupeng Environmental Protection Technology Co., Ltd Address before: 655000 room 5, building 1606, Panlong, Kunming, Yunnan, the Mixc Patentee before: Yang Bing |