CN104072066A - Road paving material adopting ceramic wastes and construction wastes and preparation method thereof - Google Patents
Road paving material adopting ceramic wastes and construction wastes and preparation method thereof Download PDFInfo
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- CN104072066A CN104072066A CN201410341103.4A CN201410341103A CN104072066A CN 104072066 A CN104072066 A CN 104072066A CN 201410341103 A CN201410341103 A CN 201410341103A CN 104072066 A CN104072066 A CN 104072066A
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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 discloses a road paving material adopting ceramic wastes and construction wastes and a preparation method thereof and relates to the field of ceramic waste utilization. The road paving material is prepared from the following raw materials by weight: 30-50 parts of portland cement, 50-90 parts of ceramic waste fine aggregates, 120-160 parts of construction waste coarse aggregates, 15-20 parts of zeolite powder, 1-10 parts of organic fiber, 1-5 parts of sodium sulfate, 1-2 parts of water reducer, 1-3 parts of polyurea gelatinizing agent, 0.5-1 part of inositol phosphate ester and 20-40 parts of water. According to the invention, the ceramic wastes and the construction wastes are combined to prepare recycled aggregates, which solves the problem that the ceramic wastes and the construction wastes cause environmental pollution; the recycled aggregates are subjected to esterification and effectively matched with the zeolite and the organic fiber, so that the concrete is adequate in strength, and in addition, the heavy metal ions of the ceramic wastes and the construction wastes are effectively solidified to prevent secondary pollution to the environment.
Description
Technical field
The present invention relates to a kind of urban road laying material that utilizes ceramic waste material and building waste and preparation method thereof, belong to ceramic waste utilization field.
Background technology
In ceramic tile production, a kind of solid waste that the discarded Pian Shi ceramic tile production of ceramic tile enterprise produces.Discharge and the accumulation of the discarded sheet of ceramic tile are to perplex for a long time the manufacturing a great problem of ceramic tile production.Not only occupy a large amount of soils, harm biology, 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, thereby effective processing of building waste seems particularly important.Build
Building refuse complicated component, all contains a large amount of discarded concretes in most building wastes, studies and thinks both at home and abroad, and it is feasible with discarded building refuse concrete, doing regeneration aggregate.
Yet, these ceramic tile wastes and building waste processing and utilization are being produced in the process of aggregate, discovery is because regeneration aggregate and natural aggregate exist certain difference in performance, compare with natural aggregate, because regeneration aggregate surface is wrapped in a considerable amount of sand-cement slurry, in addition concrete blocks makes regeneration aggregate inside have a large amount of microcracks because damage accumulation waits in the processes such as fragmentation of disintegrating, and these factors all make regeneration aggregate have the features such as porosity is high, water-absorbent is large, intensity is low.Therefore, directly partly or entirely with the intensity of the regeneration concrete of regeneration aggregate preparation with the identical proportioning concrete of natural aggregate preparation, compare the decline having in various degree; Secondly, owing to containing heavy metal ion in ceramic tile waste and building waste, high because regeneration aggregate has porosity again more, so heavy metal ion easily runs off with precipitation, environment is caused to secondary pollution.
Therefore, being necessary these solid waste to carry out rational treatment and disposal, reducing to greatest extent the wasting of resources and secondary pollution, 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 a kind of urban road laying material that utilizes ceramic waste material and building waste and preparation method thereof, utilize ceramic waste material and building waste to carry out the compound regeneration aggregate of preparing, solve the problem of environmental pollution that ceramic waste material and building waste cause, and regeneration aggregate is carried out carrying out effective proportioning with zeolite, organic fibre after esterification treatment, guarantee that concrete is when having enough intensity, effectively curing to the heavy metal ion in ceramic waste material and building waste, prevent environment to cause secondary pollution.
In order to address the above problem, the technical solution adopted in the present invention is:
A kind of urban road laying material that utilizes ceramic waste material and building waste, described paver is made by the raw material of following weight proportioning: 30 ~ 50 parts of silicate cements, 50 ~ 90 parts of ceramic waste material fine aggregates, 120 ~ 160 parts of building waste coarse aggregates, 15 ~ 20 parts of zeolite powders, 1 ~ 10 part of organic fibre, 1 ~ 5 part, sodium sulfate, 1 ~ 2 part of water reducer, 1 ~ 3 part of polyureas jelling agent, 0.5 ~ 1 part of myo-inositol phosphates, 20 ~ 40 parts, water;
Wherein, described ceramic waste material fine aggregate is that the dead meal that produces in Production of Ceramics process grinds the fine aggregate particle that the particle diameter made is 0.75 ~ 3mm after scrap metal, carboxylate spray are removed in sorting, fragmentation, magnetic separation;
Described building waste coarse aggregate is that the particle diameter that concrete, waste concrete class body of wall, the barren rock material in building castoff made after scrap metal, carboxylate spray are removed in sorting, fragmentation, magnetic separation by kind sorting is the coarse aggregate particle of 5 ~ 20 mm;
Described polyureas jelling agent is comprised of epoxy resin, epoxy active diluent, polyamide resin, xylene solvent, and its concrete proportioning is: epoxy resin 2-8 part, and 2 ~ 9 parts of polyamide resins, epoxy active diluent 1-2 part, xylene solvent consists of 1 ~ 3 part;
Described organic fibre is that 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 ~ 4 mm.
According to the preferred version that utilizes the urban road laying material of ceramic waste material and building waste of the present invention, the parts by weight of each bulk drug are: described paver is made by the raw material of following weight proportioning: 35 parts of silicate cements, 70 parts of ceramic waste material fine aggregates, 90 parts of building waste coarse aggregates, 15 parts of zeolite powders, 5 parts of organic fibre parts, 3 parts, sodium sulfate, 1 part of water reducer, 2 parts of polyureas jelling agents, 0.5 part of myo-inositol phosphates, 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 urban road laying material of ceramic waste material and building waste that utilizes is comprised of following steps:
(1) rejected material screening, classification:
A. make processing ceramic waste material fine aggregate: the dead meal producing in Production of Ceramics process is become after dehydration to solid waste and damaged blank according to useless porcelain mud, 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 it is crushed to respectively after centimetre-sized granularity, eliminate the inside metal, timber impurity;
B. make building waste coarse aggregate: building waste coarse aggregate be concrete in building castoff, waste concrete class body of wall, barren rock material by kind sorting through sorting, fragmentation, magnetic separation remove scrap metal, the particle diameter made is the coarse aggregate particle of 5 ~ 20 mm; (2) aggregate heavy metal pre-treatment:
A. the ceramic waste material fine aggregate of centimetre-sized granularity is carried out to leaching cleaning with the glyconic acid solution of 5 ~ 10 %, separate out the heavy metal ion existing in ceramic waste material, after drying with clear water flushing again, again the waste ceramic rejected material of centimetre-sized granularity is carried out to abundant crushing grinding, make its particle diameter be further reduced to 0.75 ~ 3mm, simultaneously, in process of lapping, add myo-inositol phosphates, make to remain in the heavy metal ion combination with it of ceramic waste material particle surface, on ceramic waste material fine aggregate surface, form one deck myo-inositol phosphates chemical conversion film;
B. coarse aggregate particle is cleaned with 5 ~ 10% glyconic acid solution leaching, separate out the heavy metal ion existing in building refuse coarse aggregate, with clear water, rinse and dry rear spray myo-inositol phosphates again, make to remain in the heavy metal ion combination with it on building refuse coarse aggregate surface, on ceramic waste material fine aggregate surface, form one deck myo-inositol phosphates chemical conversion film;
(3) be uniformly mixed:
A. silicate cement, ceramic waste material fine aggregate, building waste coarse aggregate, zeolite powder, sodium sulfate are poured in stirrer and stirred in proportion, add organic fibre in whipping process, dry mixing is even;
B. in the uniform compound of dry mixing, add successively polyureas jelling agent, water and water reducer, carry out secondary stirring, after mixing, obtain the urban road laying material that utilizes ceramic waste material and building waste finally.
beneficial effect: the technical scheme that the present invention records utilizes ceramic waste material and building waste to carry out the compound regeneration aggregate of preparing, solve the problem of environmental pollution that ceramic waste material and building waste cause, and regeneration aggregate is carried out carrying out effective proportioning with zeolite, organic fibre after esterification treatment, guarantee that concrete is when having enough intensity, effectively curing to the heavy metal ion in ceramic waste material and building waste, prevent environment to cause secondary pollution.
Embodiment
embodiment 1
1, proportioning raw materials:
30 parts of silicate cements, 50 parts of ceramic waste material fine aggregates, 120 parts of building waste coarse aggregates, 15 parts of zeolite powders, 1 part of organic fibre, 1 part, sodium sulfate, 1 part of water reducer, 1 part of polyureas jelling agent, 0.5 part of myo-inositol phosphates, 20 parts, water;
Wherein, described ceramic waste material fine aggregate is that the dead meal that produces in Production of Ceramics process grinds the fine aggregate particle that the particle diameter made is 0.75mm after scrap metal, carboxylate spray are removed in sorting, fragmentation, magnetic separation;
Described building waste coarse aggregate is that the particle diameter that concrete, waste concrete class body of wall, the barren rock material in building castoff made after scrap metal, carboxylate spray are removed in sorting, fragmentation, magnetic separation by kind sorting is the coarse aggregate particle of 5 mm;
Described polyureas jelling agent is comprised of epoxy resin, epoxy active diluent, polyamide resin, xylene solvent, and its concrete proportioning is: 2 parts of epoxy resin, and 2 parts of polyamide resins, 1 part of epoxy active diluent, xylene solvent consists of 1 part;
Described organic fibre is that 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 2 mm.
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 producing in Production of Ceramics process is become after dehydration to solid waste and damaged blank according to useless porcelain mud, 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 it is crushed to respectively after centimetre-sized granularity, 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. the ceramic waste material fine aggregate of centimetre-sized granularity is carried out to leaching cleaning with the glyconic acid solution of 5 ~ 10 %, separate out the heavy metal ion existing in ceramic waste material, after drying with clear water flushing again, again the waste ceramic rejected material of centimetre-sized granularity is carried out to abundant crushing grinding, make its particle diameter be further reduced to 0.75mm, simultaneously, in process of lapping, add myo-inositol phosphates, make to remain in the heavy metal ion combination with it of ceramic waste material particle surface, on ceramic waste material fine aggregate surface, form one deck myo-inositol phosphates chemical conversion film;
B. coarse aggregate particle is cleaned with 5 ~ 10% glyconic acid solution leaching, separate out the heavy metal ion existing in building refuse coarse aggregate, with clear water, rinse and dry rear spray myo-inositol phosphates again, make to remain in the heavy metal ion combination with it on building refuse coarse aggregate surface, on ceramic waste material fine aggregate surface, form one deck myo-inositol phosphates chemical conversion film;
(3) be uniformly mixed:
A. silicate cement, ceramic waste material fine aggregate, building waste coarse aggregate, zeolite powder, sodium sulfate are poured in stirrer and stirred in proportion, add organic fibre in whipping process, dry mixing is even;
B. in the uniform compound of dry mixing, add successively polyureas jelling agent, water and water reducer, carry out secondary stirring, after mixing, obtain the urban road laying material that utilizes ceramic waste material and building waste finally.
embodiment 2
1, proportioning raw materials:
50 parts of silicate cements, 90 parts of ceramic waste material fine aggregates, 160 parts of building waste coarse aggregates, 20 parts of zeolite powders, 10 parts of organic fibres, 5 parts, sodium sulfate, 2 parts of water reducers, 3 parts of polyureas jelling agents, 1 part of myo-inositol phosphates, 40 parts, water;
Wherein, described ceramic waste material fine aggregate is that the dead meal that produces in Production of Ceramics process grinds the fine aggregate particle that the particle diameter made is 1mm after scrap metal, carboxylate spray are removed in sorting, fragmentation, magnetic separation;
Described building waste coarse aggregate is the coarse aggregate particle that particle diameter that concrete in building castoff, waste concrete class body of wall, barren rock material are made after scrap metal, carboxylate spray are removed in sorting, fragmentation, magnetic separation by kind sorting is 20mm;
Described polyureas jelling agent is comprised of epoxy resin, epoxy active diluent, polyamide resin, xylene solvent, and its concrete proportioning is: 8 parts of epoxy resin, and 9 parts of polyamide resins, 2 parts of epoxy active diluents, xylene solvent consists of 3 parts;
Particle diameter is fiber grain, and single organic fibre particle diameter is 10 mm.
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 producing in Production of Ceramics process is become after dehydration to solid waste and damaged blank according to useless porcelain mud, 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 it is crushed to respectively after centimetre-sized granularity, 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. the ceramic waste material fine aggregate of centimetre-sized granularity is carried out to leaching cleaning with the glyconic acid solution of 5 ~ 10 %, separate out the heavy metal ion existing in ceramic waste material, after drying with clear water flushing again, again the waste ceramic rejected material of centimetre-sized granularity is carried out to abundant crushing grinding, make its particle diameter be further reduced to 3mm, simultaneously, in process of lapping, add myo-inositol phosphates, make to remain in the heavy metal ion combination with it of ceramic waste material particle surface, on ceramic waste material fine aggregate surface, form one deck myo-inositol phosphates chemical conversion film;
B. coarse aggregate particle is cleaned with 5 ~ 10% glyconic acid solution leaching, separate out the heavy metal ion existing in building refuse coarse aggregate, with clear water, rinse and dry rear spray myo-inositol phosphates again, make to remain in the heavy metal ion combination with it on building refuse coarse aggregate surface, on ceramic waste material fine aggregate surface, form one deck myo-inositol phosphates chemical conversion film;
(3) be uniformly mixed:
A. silicate cement, ceramic waste material fine aggregate, building waste coarse aggregate, zeolite powder, sodium sulfate are poured in stirrer and stirred in proportion, add organic fibre in whipping process, dry mixing is even;
B. in the uniform compound of dry mixing, add successively polyureas jelling agent, water and water reducer, carry out secondary stirring, after mixing, obtain the urban road laying material that utilizes ceramic waste material and building waste finally.
embodiment 3
1,, as preferred implementation, described paver is made by the raw material of following weight proportioning:
35 parts of silicate cements, 70 parts of ceramic waste material fine aggregates, 90 parts of building waste coarse aggregates, 15 parts of zeolite powders, 5 parts of organic fibre parts, 3 parts, sodium sulfate, 1 part of water reducer, 2 parts of polyureas jelling agents, 0.5 part of myo-inositol phosphates, 40 parts, water.
Wherein, described ceramic waste material fine aggregate is that the dead meal that produces in Production of Ceramics process grinds the fine aggregate particle that the particle diameter made is 0.75mm after scrap metal, carboxylate spray are removed in sorting, fragmentation, magnetic separation;
Described building waste coarse aggregate is the coarse aggregate particle that particle diameter that concrete in building castoff, waste concrete class body of wall, barren rock material are made after scrap metal, carboxylate spray are removed in sorting, fragmentation, magnetic separation by kind sorting is 15mm;
Described described polyureas jelling agent is comprised of epoxy resin, epoxy active diluent, polyamide resin, xylene solvent, and its concrete proportioning is: 2 parts of epoxy resin, and 2 parts of polyamide resins, 1 part of epoxy active diluent, xylene solvent consists of 1 part;
Particle diameter is fiber grain, and single organic fibre particle diameter is 10 mm.
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 producing in Production of Ceramics process is become after dehydration to solid waste and damaged blank according to useless porcelain mud, 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 it is crushed to respectively after centimetre-sized granularity, 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. the ceramic waste material fine aggregate of centimetre-sized granularity is carried out to leaching cleaning with the glyconic acid solution of 5 ~ 10 %, separate out the heavy metal ion existing in ceramic waste material, after drying with clear water flushing again, again the waste ceramic rejected material of centimetre-sized granularity is carried out to abundant crushing grinding, make its particle diameter be further reduced to 3mm, simultaneously, in process of lapping, add myo-inositol phosphates, make to remain in the heavy metal ion combination with it of ceramic waste material particle surface, on ceramic waste material fine aggregate surface, form one deck myo-inositol phosphates chemical conversion film;
B. coarse aggregate particle is cleaned with 5 ~ 10% glyconic acid solution leaching, separate out the heavy metal ion existing in building refuse coarse aggregate, with clear water, rinse and dry rear spray myo-inositol phosphates again, make to remain in the heavy metal ion combination with it on building refuse coarse aggregate surface, on ceramic waste material fine aggregate surface, form one deck myo-inositol phosphates chemical conversion film;
(3) be uniformly mixed:
A. silicate cement, ceramic waste material fine aggregate, building waste coarse aggregate, zeolite powder, sodium sulfate are poured in stirrer and stirred in proportion, add organic fibre in whipping process, dry mixing is even;
B. in the uniform compound of dry mixing, add successively polyureas jelling agent, water and water reducer, carry out secondary stirring, after mixing, obtain the urban road laying material that utilizes ceramic waste material and building waste finally.
embodiment 4 intensity experiment of utilizing the urban road laying material of ceramic waste material and building waste of the present invention:
1. experiment material
The confession examination material of experimental group 1:
A. get the resulting urban road laying material that utilizes ceramic waste material and building waste of embodiment 1.
B. get the resulting urban road laying material that utilizes ceramic waste material and building waste of embodiment 1, wherein said aggregate is without esterification treatment and do not add polyureas jelling agent.
C. get the resulting urban road laying material that utilizes ceramic waste material and building waste of embodiment 1, 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. get the resulting urban road laying material that utilizes ceramic waste material and building waste of embodiment 2.
B. get the resulting urban road laying material that utilizes ceramic waste material and building waste of embodiment 2, wherein said aggregate is without esterification treatment and do not add polyureas jelling agent.
C. get the resulting urban road laying material that utilizes ceramic waste material and building waste of embodiment 2, 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. get the resulting urban road laying material that utilizes ceramic waste material and building waste of embodiment 3.
B. get the resulting urban road laying material that utilizes ceramic waste material and building waste of embodiment 3, wherein said aggregate is without esterification treatment and do not add polyureas jelling agent.
C. get the resulting urban road laying material that utilizes ceramic waste material and building waste of embodiment 3, 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 test
Every physical property experiment of regeneration aggregate in the resulting urban road laying material that utilizes ceramic waste material and building waste and crush index are tested and all by natural concrete aggregate, carried out experiment test.
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 compares with natural aggregate at the same level, the water ratio of regeneration aggregate, water-intake rate, apparent density, crush index is all higher than natural aggregate at the same level, and according to the equal water ratio of indices of the made regeneration aggregate of embodiment 1 ~ 3, water-intake rate, apparent density, crush index is all lower than natural aggregate at the same level, through after esterification treatment and the processing of interpolation polyureas jelling agent, regeneration aggregate self intensity all increases, crush index makes moderate progress, wherein, in preferred embodiment 3, the regeneration aggregate of ceramic waste material and building waste is through after esterification treatment and the processing of interpolation polyureas jelling agent, regeneration aggregate self strength enhancing is maximum.Being used in conjunction with of polyureas jelling agent and myo-inositol phosphates, first use myo-inositol phosphates to spray, make regeneration aggregate particle surface generate one deck myo-inositol phosphates chemical conversion film, in being uniformly mixed process, add again polyureas jelling agent, utilize " OH " in myo-inositol phosphates chemical conversion film to combine with "-NCO " chemical bond of polyureas jelling agent, drive concrete to combine with the myo-inositol phosphates chemical conversion film of regeneration aggregate particle surface, crackle and hole in regeneration aggregate body are filled, regeneration aggregate surface uniform is wrapped, thereby improve the intensity of regeneration aggregate.
Table 2: the mechanical property of regeneration concrete
From table 2, in three experimental group, be numbered the contrast and experiment of A, B, C, known after esterification treatment and the processing of interpolation polyureas jelling agent, utilizing regeneration aggregate to make the coagulation that concrete makes with natural aggregate at the same level compares, resistance to compression degree and folding strength have obvious lifting, have overcome the shortcoming of former regeneration aggregate undercapacity.Especially, in embodiment group, adding of organic fibre, has greatly strengthened regeneration aggregate and has made concrete intensity and toughness.
the experiment of the urban road laying material that embodiment 5 is of the present invention utilizes ceramic waste material and building waste to heavy metal ion solidification effect:
1. experiment material
A. it is the concrete blocks of 20 x15x10 that the urban road laying material that utilizes ceramic waste material and building waste of getting embodiment 1 is made length and width high.
B. getting the resulting urban road laying material that utilizes ceramic waste material and building waste of embodiment 1, to make length and width high be the concrete blocks of 20 x15x10, and wherein said aggregate is without glyconic acid solution leaching, esterification treatment and do not add polyureas jelling agent.
2. test method:
Simulation rainwater soaks when tri-groups of concrete blockss of ABC are waited, and to soaking the matter of rear water, carries out heavy metal concentration check.
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 can be effectively curing to the heavy metal ion in ceramic waste material and building waste, first utilize the glyconic acid solution of 5 ~ 10 % 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 is reacted with myo-inositol phosphates, at regeneration aggregate, form myo-inositol phosphates chemical conversion film, regeneration aggregate is wrapped up, effectively for heavy metal ion, solidify, simultaneously, in existing research, think that Portland cement concrete (PCC) has certain adsorptivity to heavy metal ion, and adding of zeolite and organic fibre will guarantee on the basis of its original other performances, promote the performance of concrete Adsorption of Heavy Metal Ions.
The technical scheme that the present invention records utilizes ceramic waste material and building waste to carry out the compound regeneration aggregate of preparing, solve the problem of environmental pollution that ceramic waste material and building waste cause, and regeneration aggregate is carried out carrying out effective proportioning with zeolite, organic fibre after esterification treatment, guarantee that concrete is when having enough intensity, effectively curing to the heavy metal ion in ceramic waste material and building waste, prevent environment to cause secondary pollution.
The content that the present invention describes by embodiment, without departing from the present invention, can also carry out various conversion and be equal to replacement 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 that fall within the scope of Patent right requirement of the present invention.
Claims (5)
1. a urban road laying material that utilizes ceramic waste material and building waste, it is characterized in that, described paver is made by the raw material of following weight proportioning: 30 ~ 50 parts of silicate cements, 50 ~ 90 parts of ceramic waste material fine aggregates, 120 ~ 160 parts of building waste coarse aggregates, 15 ~ 20 parts of zeolite powders, 1 ~ 10 part of organic fibre, 1 ~ 5 part, sodium sulfate, 1 ~ 2 part of water reducer, 1 ~ 3 part of polyureas jelling agent, 0.5 ~ 1 part of myo-inositol phosphates, 20 ~ 40 parts, water;
Wherein, described ceramic waste material fine aggregate is that the dead meal that produces in Production of Ceramics process grinds the fine aggregate particle that the particle diameter made is 0.75 ~ 3mm after scrap metal, carboxylate spray are removed in sorting, fragmentation, magnetic separation;
Described building waste coarse aggregate is that the particle diameter that concrete, waste concrete class body of wall, the barren rock material in building castoff made after scrap metal, carboxylate spray are removed in sorting, fragmentation, magnetic separation by kind sorting is the coarse aggregate particle of 5 ~ 20 mm;
Described polyureas jelling agent is comprised of epoxy resin, epoxy active diluent, polyamide resin, xylene solvent, and its concrete proportioning is: epoxy resin 2-8 part, and 2 ~ 9 parts of polyamide resins, epoxy active diluent 1-2 part, xylene solvent consists of 1 ~ 3 part;
Described organic fibre is that 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 2 ~ 4 mm.
2. a kind of urban road laying material that utilizes ceramic waste material and building waste according to claim 1, it is characterized in that, described paver is made by the raw material of following weight proportioning: 35 parts of silicate cements, 70 parts of ceramic waste material fine aggregates, 90 parts of building waste coarse aggregates, 15 parts of zeolite powders, 5 parts of organic fibre parts, 3 parts, sodium sulfate, 1 part of water reducer, 2 parts of polyureas jelling agents, 0.5 part of myo-inositol phosphates, 40 parts, water.
3. a kind of urban road laying material that utilizes ceramic waste material and building waste according to claim 1, is characterized in that, described ceramic waste material fine aggregate particle diameter is 0.75 ~ 1mm.
4. a kind of urban road laying material that utilizes ceramic waste material and building waste according to claim 1, is characterized in that, described building waste coarse aggregate size is 15 mm.
5. according to a kind of described preparation method who utilizes the urban road laying material of ceramic waste material and building waste described in claim 1 ~ 4, it is characterized in that, by following steps, formed:
(1) rejected material screening, classification:
A. make processing ceramic waste material fine aggregate: the dead meal producing in Production of Ceramics process is become after dehydration to solid waste and damaged blank according to useless porcelain mud, 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 it is crushed to respectively after centimetre-sized granularity, eliminate the inside metal, timber impurity;
B. make building waste coarse aggregate: building waste coarse aggregate be concrete in building castoff, waste concrete class body of wall, barren rock material by kind sorting through sorting, fragmentation, magnetic separation remove scrap metal, the particle diameter made is the coarse aggregate particle of 5 ~ 20 mm; (2) aggregate heavy metal pre-treatment:
A. the ceramic waste material fine aggregate of centimetre-sized granularity is carried out to leaching cleaning with the glyconic acid solution of 5 ~ 10 %, separate out the heavy metal ion existing in ceramic waste material, after drying with clear water flushing again, again the waste ceramic rejected material of centimetre-sized granularity is carried out to abundant crushing grinding, make its particle diameter be further reduced to 0.75 ~ 3mm, simultaneously, in process of lapping, add myo-inositol phosphates, make to remain in the heavy metal ion combination with it of ceramic waste material particle surface, on ceramic waste material fine aggregate surface, form one deck myo-inositol phosphates chemical conversion film;
B. coarse aggregate particle is cleaned with 5 ~ 10% glyconic acid solution leaching, separate out the heavy metal ion existing in building refuse coarse aggregate, with clear water, rinse and dry rear spray myo-inositol phosphates again, make to remain in the heavy metal ion combination with it on building refuse coarse aggregate surface, on ceramic waste material fine aggregate surface, form one deck myo-inositol phosphates chemical conversion film;
(3) be uniformly mixed:
A. silicate cement, ceramic waste material fine aggregate, building waste coarse aggregate, zeolite powder, sodium sulfate are poured in stirrer and stirred in proportion, add organic fibre in whipping process, dry mixing is even;
B. in the uniform compound of dry mixing, add successively polyureas jelling agent, water and water reducer, carry out secondary stirring, after mixing, obtain the urban road laying material that utilizes ceramic waste material and building waste finally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341103.4A CN104072066B (en) | 2014-07-17 | 2014-07-17 | A kind ofly utilize road pavements of ceramic waste material and building waste and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341103.4A CN104072066B (en) | 2014-07-17 | 2014-07-17 | A kind ofly utilize road pavements of ceramic waste material and building waste and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104072066A true CN104072066A (en) | 2014-10-01 |
| CN104072066B CN104072066B (en) | 2016-04-06 |
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| CN107675576A (en) * | 2017-09-05 | 2018-02-09 | 李子木 | A kind of processing method of building waste |
| CN109400054A (en) * | 2018-11-07 | 2019-03-01 | 青海民族大学 | A kind of regeneration concrete and its processing technology |
| CN109503094A (en) * | 2019-01-08 | 2019-03-22 | 青海民族大学 | A kind of waste tire rubber regeneration concrete and preparation method thereof |
| CN110282941A (en) * | 2019-05-29 | 2019-09-27 | 昌鑫生态科技(陕西)有限公司 | Utilize the technology of Industrial Solid Waste processing environmental friendly material |
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| CN113045253A (en) * | 2021-04-01 | 2021-06-29 | 田桂满 | Method for producing baking-free anti-freezing bricks and tiles by using ceramic waste and urban and rural classified garbage |
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| CN107129216A (en) * | 2017-06-27 | 2017-09-05 | 六安三创建筑材料有限公司 | A kind of method that application building waste prepares building mortar |
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| CN109503094A (en) * | 2019-01-08 | 2019-03-22 | 青海民族大学 | A kind of waste tire rubber regeneration concrete and preparation method thereof |
| CN110282941A (en) * | 2019-05-29 | 2019-09-27 | 昌鑫生态科技(陕西)有限公司 | Utilize the technology of Industrial Solid Waste processing environmental friendly material |
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| CN110560462B (en) * | 2019-09-29 | 2021-10-15 | 中南大学 | Micro-embedding material containing arsenic waste residue, micro-embedding solidified body and preparation thereof |
| CN111548123A (en) * | 2020-05-15 | 2020-08-18 | 西安工业大学 | Building ceramic material |
| CN111620610A (en) * | 2020-06-28 | 2020-09-04 | 宁波新力建材科技有限公司 | Recycling method of concrete waste and recycled concrete |
| CN113045253A (en) * | 2021-04-01 | 2021-06-29 | 田桂满 | Method for producing baking-free anti-freezing bricks and tiles by using ceramic waste and urban and rural classified garbage |
| CN114985416A (en) * | 2022-06-02 | 2022-09-02 | 许昌学院 | Low-carbonization treatment process for building solid waste |
| CN114985416B (en) * | 2022-06-02 | 2023-08-08 | 许昌学院 | Low-carbonization treatment process for building solid waste |
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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 |
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