CN107445543A - A kind of iron tailings regeneration concrete and preparation method thereof - Google Patents
A kind of iron tailings regeneration concrete and preparation method thereof Download PDFInfo
- Publication number
- CN107445543A CN107445543A CN201710658861.2A CN201710658861A CN107445543A CN 107445543 A CN107445543 A CN 107445543A CN 201710658861 A CN201710658861 A CN 201710658861A CN 107445543 A CN107445543 A CN 107445543A
- Authority
- CN
- China
- Prior art keywords
- iron tailings
- concrete
- regeneration
- raw material
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B18/12—Waste materials; Refuse from quarries, mining or the like
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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 provides a kind of iron tailings regeneration concrete and preparation method thereof, the dosage of the raw material included in every cubic meter of concrete is as follows：Regeneration aggregate：1100 1300kg, iron tailings powder：480 720kg, cement：450 780kg, water：280 360kg, waterglass：0.15‑0.20kg.Iron tailings regeneration concrete of the present invention can reduce the pollution of iron tailings powder and building waste to environment using iron tailings powder and regeneration aggregate as primary raw material, reduce the exploitation of natural sand stone, reduce production cost, meet the needs of nation-building is to concrete product.
Description
Technical field
The invention belongs to building material field, more particularly, to a kind of iron tailings regeneration concrete.
Background technology
In recent years, China's rapid economic development, the especially industrial great increase of required mineral resources, the super of mine is caused
Load is exploited, and iron tailings powder turns into the discarded object that China's quantum of output is maximum, comprehensive utilization ratio is minimum at present.Iron tailings powder is not
Substantial amounts of soil is only taken up, and heavy metal, venomous injurant confrontation water, the soil discharged cause serious pollution.Therefore will
Iron tailings powder is recycled as secondary resource more and more to be paid attention to.
In Process of Urbanization Construction, for concrete as 21 century most important construction material, its year usage amount is very surprising
, and as China's expanding economy, Process of Urbanization Construction are drastically accelerated, the consumption of concrete can be still continuously increased.Simultaneously
As urban construction is transformed, old house, concrete road surface, bridge are removed and repaired, and generate substantial amounts of building waste and waste material.
At present, the treating method of these building wastes is mainly transported to and thrown aside outside suburb, and this had not only influenceed environment but also land occupation, wastes money
Source, the strategic requirement of China's sustainable development is not met.
The content of the invention
In view of this, the present invention is directed to propose a kind of iron tailings regeneration concrete, beneficial to iron tailings powder and building can be reduced
Pollution of the rubbish to environment, the exploitation of natural sand stone is reduced, reduce production cost, meet need of the nation-building to concrete product
Ask.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of iron tailings regeneration concrete, the dosage of the raw material often included in cubic meter of concrete are as follows：
Regeneration aggregate：1100-1300kg,
Iron tailings powder：480-720kg,
Cement：300-450kg,
Water：230-250kg,
Waterglass：0.15-0.20kg.
Further, water reducer is also included in described concrete；The addition of described water reducer is described cement
The 1-2% of quality.
Further, described water reducer is high-efficiency water-reducing agent of poly-carboxylic acid.
Further, described cement is Portland cement；Described water is ordinary tap water.
Further, the particle diameter of described regeneration aggregate is 5-20mm.
Preferably, the dosage of the raw material included in described every cubic meter of concrete is as follows：
Regeneration aggregate：1200-1300kg,
Iron tailings powder：560-720kg,
Cement：300-450kg,
Water：230-250kg,
Waterglass：0.15-0.20kg.
The preparation method of described iron tailings regeneration concrete, comprises the following steps：
(1) iron tailings powder is placed in screening machine and carries out sieve classification, removed coarse grain mine tailing, filter out particle diameter and be less than
2.36mm iron tailings powder raw material；
(2) discarded building refuse concrete is subjected to primary fragmentation, isolates reinforcing bar, then carry out being crushed to it 2-4 times
Particle diameter is 5-20mm, is then rinsed, and removes surface powder, obtains described regeneration aggregate；
(3) by regeneration aggregate, iron tailings powder raw material, cement, water, waterglass input mixer, 5-7min stirrings are carried out,
Complete that described iron tailings regeneration concrete is prepared.
Further, the particle diameter for the iron tailings powder raw material that screening step filters out is less than 1.18mm in described step (1).
Further, the crush index for the building refuse concrete discarded in described step (2) is not higher than 14%.
Relative to prior art, iron tailings regeneration concrete of the present invention has the advantage that：
Iron tailings regeneration concrete of the present invention can reduce iron tail using iron tailings powder and regeneration aggregate as primary raw material
The pollution of miberal powder and building waste to environment, the exploitation of natural sand stone is reduced, reduce production cost, meet nation-building to coagulation
The demand of native produce.
Brief description of the drawings
Fig. 1 is that the compression strength of the iron tailings regeneration concrete described in embodiment 1 changes with time figure；
Fig. 2 is that the compression strength of the iron tailings regeneration concrete described in embodiment 2 changes with time figure；
The compression strength of iron tailings regeneration concrete described in Fig. 3 embodiments 3 changes with time figure.
Embodiment
In addition to being defined, technical term used has universal with those skilled in the art of the invention in following examples
The identical meanings of understanding.Test reagent used, is routine biochemistry reagent unless otherwise specified in following examples；It is described
Experimental method, it is conventional method unless otherwise specified.
The polycarboxylic acids that the water reducer used in described embodiment 1-3 produces for Zhangjiakou seapeak building material Co., Ltd
High efficiency water reducing agent.
The present invention is described in detail with reference to embodiment and accompanying drawing.
Embodiment 1
A kind of iron tailings regeneration concrete, the dosage of the raw material often included in cubic meter of concrete are as follows：Regeneration aggregate：
1216.7kg iron tailings powder：715.7kg, cement：317.5kg, water：230kg, waterglass：0.15kg, water reducer 3.2kg.
The preparation method of described iron tailings regeneration concrete, comprises the following steps：
(1) iron tailings powder is placed in screening machine and carries out sieve classification, removed coarse grain mine tailing, filter out particle diameter and be less than
2.36mm iron tailings powder raw material；
(2) discarded building refuse concrete, artificial iron hammer are carried out primary fragmentation to it, isolates reinforcing bar, then pass through
Jaw crusher carries out 2 broken most 5-20mm, and then regeneration aggregate is rinsed, and removes surface powder and through drying
As preparing raw material；
(3) by regeneration aggregate, iron tailings powder raw material, cement, water, waterglass input mixer, 5-7min stirrings are carried out,
Complete that described iron tailings regeneration concrete is prepared.
As shown in Figure 1, it will be seen that the lower 28 days iron tailings regeneration concrete 25.8Mpa of the proportioning, meet C20 concrete requirements,
And 14 days compression strength is that 23.2Mpa reaches the 50% of 28 day age compression strength, meets the requirement of early strength.
Embodiment 2
A kind of iron tailings regeneration concrete, the dosage of the raw material often included in cubic meter of concrete are as follows：Regeneration aggregate：
1332.3kg iron tailings powder：600.2kg, cement：437.8kg, water：240kg, waterglass：0.15kg, water reducer 4.4kg.
The preparation method of described iron tailings regeneration concrete, comprises the following steps：
(1) iron tailings powder is placed in screening machine and carries out sieve classification, removed coarse grain mine tailing, filter out particle diameter and be less than
2.36mm iron tailings powder raw material；
(2) discarded building refuse concrete, artificial iron hammer are carried out primary fragmentation to it, isolates reinforcing bar, then pass through
Jaw crusher carries out 2 broken most 5-20mm, and then regeneration aggregate is rinsed, and removes surface powder and through drying
As preparing raw material；
(3) by regeneration aggregate, iron tailings powder raw material, cement, water, waterglass input mixer, 5-7min stirrings are carried out,
Complete that described iron tailings regeneration concrete is prepared.
As shown in Figure 2, it will be seen that the lower 28 days iron tailings regeneration concrete 35.4Mpa of the proportioning, meet C20 concrete requirements,
And 14 days compression strength is that 31.5Mpa reaches the 50% of 28 day age compression strength, meets the requirement of early strength.
Embodiment 3
A kind of iron tailings regeneration concrete, the dosage of the raw material often included in cubic meter of concrete are as follows：Regeneration aggregate：
1244.8kg iron tailings powder：560.7kg, cement：444.4kg, water：240kg, waterglass：0.15kg, water reducer 4.4kg.
The preparation method of described iron tailings regeneration concrete, comprises the following steps：
(1) iron tailings powder is placed in screening machine and carries out sieve classification, removed coarse grain mine tailing, filter out particle diameter and be less than
2.36mm iron tailings powder raw material；
(2) discarded building refuse concrete, artificial iron hammer are carried out primary fragmentation to it, isolates reinforcing bar, then pass through
Jaw crusher carries out 2 broken most 5-20mm, and then regeneration aggregate is rinsed, and removes surface powder and through drying
As preparing raw material；
(3) by regeneration aggregate, iron tailings powder raw material, cement, water, waterglass input mixer, 5-7min stirrings are carried out,
Complete that described iron tailings regeneration concrete is prepared.
As shown in Figure 2, it will be seen that the lower 28 days iron tailings regeneration concrete 43.9Mpa of the proportioning, meet C20 concrete requirements,
And 14 days compression strength is that 39.5Mpa reaches the 50% of 28 day age compression strength, meets the requirement of early strength.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
- A kind of 1. iron tailings regeneration concrete, it is characterised in that：The dosage of the raw material included in per cubic meter of concrete is as follows：Regeneration aggregate：1100-1300kg,Iron tailings powder：480-720kg,Cement：300-450kg,Water：230-250kg,Waterglass：0.15-0.20kg.
- 2. iron tailings regeneration concrete according to claim 1, it is characterised in that：Also include diminishing in described concrete Agent；The addition of described water reducer is the 1-2% of the quality of described cement.
- 3. iron tailings regeneration concrete according to claim 1, it is characterised in that：Described water reducer is that polycarboxylic acids is efficient Water reducer.
- 4. iron tailings regeneration concrete according to claim 1, it is characterised in that：Described cement is normal silicate water Mud；Described water is ordinary tap water.
- 5. iron tailings regeneration concrete according to claim 1, it is characterised in that：The particle diameter of described regeneration aggregate is 5- 20mm。
- 6. iron tailings regeneration concrete according to claim 1, it is characterised in that：Wrapped in described every cubic meter of concrete The dosage of the raw material contained is as follows：Regeneration aggregate：1200-1300kg,Iron tailings powder：560-720kg,Cement：300-450kg,Water：230-250kg,Waterglass：0.15-0.20kg.
- 7. the preparation method of the iron tailings regeneration concrete any one of claim 1-6, it is characterised in that：Including as follows Step：(1) iron tailings powder is placed in screening machine and carries out sieve classification, remove coarse grain mine tailing, filter out particle diameter less than 2.36mm's Iron tailings powder raw material；(2) discarded building refuse concrete is subjected to primary fragmentation, isolates reinforcing bar, then carry out 2-4 times and be crushed to its particle diameter For 5-20mm, then it is rinsed, removes surface powder, obtains described regeneration aggregate；(3) by regeneration aggregate, iron tailings powder raw material, cement, water, waterglass input mixer, 5-7min stirrings is carried out, are completed Described iron tailings regeneration concrete is prepared.
- 8. the preparation method of iron tailings regeneration concrete according to claim 7, it is characterised in that：Described step (1) The particle diameter for the iron tailings powder raw material that middle screening step filters out is less than 1.18mm.
- 9. the preparation method of iron tailings regeneration concrete according to claim 7, it is characterised in that：Described step (2) In discard building refuse concrete crush index be not higher than 14%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710658861.2A CN107445543A (en) | 2017-08-03 | 2017-08-03 | A kind of iron tailings regeneration concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710658861.2A CN107445543A (en) | 2017-08-03 | 2017-08-03 | A kind of iron tailings regeneration concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107445543A true CN107445543A (en) | 2017-12-08 |
Family
ID=60490295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710658861.2A Pending CN107445543A (en) | 2017-08-03 | 2017-08-03 | A kind of iron tailings regeneration concrete and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107445543A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191319A (en) * | 2018-02-27 | 2018-06-22 | 王福州 | A kind of iron tailings sand concrete and preparation method thereof |
| CN108889772A (en) * | 2018-08-24 | 2018-11-27 | 临汾市华基建材科技有限公司 | Solid waste tailing and tailings construction rubbish comprehensively utilize production line |
| CN109013015A (en) * | 2018-08-24 | 2018-12-18 | 临汾市华基建材科技有限公司 | Solid waste tailing and building waste comprehensively utilize workshop |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100599226B1 (en) * | 2003-10-02 | 2006-07-12 | 상원개발산업주식회사 | The product of green planting porous concrete using industrial wastes and recycling aggregate |
| CN101172818A (en) * | 2007-10-16 | 2008-05-07 | 同济大学 | Nonferrous mine graphite scrap concrete for backfill and method of manufacturing the same |
| CN102765889A (en) * | 2012-07-11 | 2012-11-07 | 北京科技大学 | Preparation method for tailing barren rock-made high-strength concrete containing coal ash |
| CN104402371A (en) * | 2014-12-08 | 2015-03-11 | 北京元泰达环保建材科技有限责任公司 | Road laying material prepared from compositing building rubbish and iron tailings and preparation method of road laying material |
| CN105819787A (en) * | 2016-03-16 | 2016-08-03 | 武汉源锦商品混凝土有限公司 | High strength concrete prepared from iron tailing |
| CN106277960A (en) * | 2016-07-26 | 2017-01-04 | 扬州大学 | C30 concrete based on regeneration aggregate and preparation method thereof |
-
2017
- 2017-08-03 CN CN201710658861.2A patent/CN107445543A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100599226B1 (en) * | 2003-10-02 | 2006-07-12 | 상원개발산업주식회사 | The product of green planting porous concrete using industrial wastes and recycling aggregate |
| CN101172818A (en) * | 2007-10-16 | 2008-05-07 | 同济大学 | Nonferrous mine graphite scrap concrete for backfill and method of manufacturing the same |
| CN102765889A (en) * | 2012-07-11 | 2012-11-07 | 北京科技大学 | Preparation method for tailing barren rock-made high-strength concrete containing coal ash |
| CN104402371A (en) * | 2014-12-08 | 2015-03-11 | 北京元泰达环保建材科技有限责任公司 | Road laying material prepared from compositing building rubbish and iron tailings and preparation method of road laying material |
| CN105819787A (en) * | 2016-03-16 | 2016-08-03 | 武汉源锦商品混凝土有限公司 | High strength concrete prepared from iron tailing |
| CN106277960A (en) * | 2016-07-26 | 2017-01-04 | 扬州大学 | C30 concrete based on regeneration aggregate and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 崔宏环: ""掺铁尾矿再生混凝土配合比及力学性能研究"", 《四川建筑科学研究》 * |
| 崔宏环等: ""基于地基处理铁尾矿再生混凝土的工作性能与力学性能预测模型"", 《科学技术与工程》 * |
| 臧明: ""再生混凝土桩桩体强度试验研究"", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191319A (en) * | 2018-02-27 | 2018-06-22 | 王福州 | A kind of iron tailings sand concrete and preparation method thereof |
| CN108889772A (en) * | 2018-08-24 | 2018-11-27 | 临汾市华基建材科技有限公司 | Solid waste tailing and tailings construction rubbish comprehensively utilize production line |
| CN109013015A (en) * | 2018-08-24 | 2018-12-18 | 临汾市华基建材科技有限公司 | Solid waste tailing and building waste comprehensively utilize workshop |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101099974B (en) | Method for treating and regenerating reuse building waste | |
| CN105753411B (en) | The method that regeneration concrete is prepared using waste concrete as raw material wet-grinding technology and relative device | |
| CN101513625B (en) | Overall utilization and treating process of iron ore mine | |
| CN103102090B (en) | Device of resource treatment system with combination of building waste residue and grinding and using method thereof | |
| CN102658596B (en) | Method for preparing high-strength concrete material by using fly ash and iron tailings | |
| CN105837134B (en) | A kind of ecological dry-mixed mortar | |
| CN101560073A (en) | Method for recycling waste concrete | |
| CN101348335B (en) | Method for preparing special concrete for high-performance concrete from magnet aposand stone iron tailings | |
| CN110683774A (en) | Cementing material taking slag-steel slag-gypsum as raw material and preparation method thereof | |
| CN107445543A (en) | A kind of iron tailings regeneration concrete and preparation method thereof | |
| CN111153664B (en) | Road base material produced by stabilizing waste concrete building waste aggregate with lime red mud | |
| CN106064914A (en) | A kind of production technology of ecological dry-mixed mortar | |
| CN103771776A (en) | Recycled micropowder concrete and preparation method thereof | |
| CN110386769A (en) | A kind of composite blend and its preparation method and application based on mixing plant waste residue activating technology | |
| CN102745929A (en) | Regenerated mineral admixture and application thereof | |
| CN106045412A (en) | Ecological concrete | |
| CN107117921A (en) | A kind of gypsum-based construction garbage regeneration sand decorative mortar and preparation method thereof | |
| CN115893879B (en) | Preparation method of solid waste-based superfine special composite cementing material and cementing material | |
| CN106064897A (en) | A kind of ecological Binder Materials | |
| CN105130233A (en) | Functional steel slag powder | |
| CN107746196A (en) | High performance concrete aggregate and high performance concrete | |
| CN106277993A (en) | A kind of preparation method of environment-friendly baking-free bricks | |
| CN101734892A (en) | Method for recycling waste concrete | |
| CN106495623A (en) | A kind of method that utilization molybdic tailing prepares steam-pressing brisk | |
| CN106316262A (en) | Process for preparing concrete with recycled coarse aggregates prepared by waste concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171208 |
|
| RJ01 | Rejection of invention patent application after publication |