CN107500657A - A kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture - Google Patents
A kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture Download PDFInfo
- Publication number
- CN107500657A CN107500657A CN201710865546.7A CN201710865546A CN107500657A CN 107500657 A CN107500657 A CN 107500657A CN 201710865546 A CN201710865546 A CN 201710865546A CN 107500657 A CN107500657 A CN 107500657A
- Authority
- CN
- China
- Prior art keywords
- iron tailings
- suspension roasting
- concrete
- roasting iron
- mineral admixture
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture, including suspension roasting iron tailings, cement, miberal powder, flyash, silicon ash, CHARACTERISTICS OF TAILINGS SAND, barren rock, water reducer and water, each component weight is in every cubic meter of concrete：150 ~ 180kg of suspension roasting iron tailings, the kg of cement 170 ~ 190, the kg of miberal powder 180 ~ 220, the kg of flyash 50 ~ 70, silicon ash 50 ~ 60, the kg of CHARACTERISTICS OF TAILINGS SAND 700 ~ 800, the kg of barren rock 1400 ~ 1500,130 ~ 160kg of water, 1.5 ~ 1.7kg of water reducer.The iron tailings after suspension roasting is used for sleeper concrete by the present invention, it is big compared with general mine tailing addition content, without fine grinding, ore grinding cost is reduced, and the sleeper concrete intensity prepared is high, performance is good, mine tailing, barren rock can be utilized with large, resource utilization is improved, mine tailing, barren rock occupation of land is reduced, there is preferable Social benefit and economic benefit.
Description
Technical field
The present invention relates to building material technical field, specifically a kind of superfine suspension roasting iron tailings is as mineral admixture
Sleeper concrete.
Background technology
Due to industrializing in recent years, urbanization process accelerates so that concrete turns into most large structure in Practical Project
Material, and usage amount is huge so that building material industry is there is resource plaque is weary, the high consumption of the energy, and carbon emission amount is greatly and pollution ring
The problems such as border, if such a development model continues to develop, China's energy, resource and environment will be made to can't bear the heavy load, be unfavorable for society
Research and application with the cycle development of economy, therefore GHPC are compeled to open in eyebrow.
Suspension roasting technology first heats ore under quick suspension flowable state and oxidizing atmosphere, makes iron in ore mineral
(Fe2O3、FeCO3、Fe2O3·nH2O) all it is oxidized to bloodstone (Fe2O3), then make ore quick by pneumatic conveying mode
By the reduction furnace chamber of small volume, made under suspended state using ore itself savings heat at 500~600 DEG C under reducing atmosphere
Fe2O3It is reduced to Fe3O4, cooling chamber is finally entered, by controlling temperature and atmosphere to make Fe3O4Completely or partially it is oxidized to ferromagnetism
γ-Fe2O3。
Certain difference be present in iron tailings and traditional iron tailings not Jing Guo suspension roasting after suspension roasting-magnetic separation
It is different.Due to being calcined at 500~600 DEG C so that iron tailings has certain activity, and granularity is superfine.After suspension roasting
Iron tailings prepares sleeper concrete as mineral admixture, big compared with general mine tailing addition content, and performance is good, and intensity is high.At present, also
The report for preparing sleeper concrete as mineral admixture on suspension roasting iron tailings is not seen.
The content of the invention
It is an object of the invention to provide a kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture,
Sleeper concrete is enabled largely to use suspension roasting iron tailings, CHARACTERISTICS OF TAILINGS SAND and barren rock, while sleeper concrete performance is good, intensity
Height, solve suspension roasting iron tailings, CHARACTERISTICS OF TAILINGS SAND and barren rock stockpiling is taken up an area and environmental pollution problem
The technical proposal of the invention is realized in this way：
A kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture, including suspension roasting iron tailings, cement,
Miberal powder, flyash, silicon ash, CHARACTERISTICS OF TAILINGS SAND, barren rock, water reducer and water, it is described to be per each component weight in cubic meter of concrete：Suspend
150~180kg of roasting iron tailings, 170~190kg of cement, the kg of miberal powder 180~220,50~70kg of flyash, silicon ash 50~
60th, 700~800kg of CHARACTERISTICS OF TAILINGS SAND, 1400~1500kg of barren rock, 130~160kg of water, 1.5~1.7kg of water reducer.
Further, the suspension roasting iron tailings granularity is that -500 mesh account for more than 90%, specific surface area 423m2/kg。
Further, the cement is 42.5 grades of Portland cements.
Further, the miberal powder specific surface area 615m2/kg。
Further, the flyash specific surface area 400m2/kg。
Further, the silicon ash specific surface area 2100m2/kg。
Further, granularity 0.15mm~5mm of the CHARACTERISTICS OF TAILINGS SAND, modulus of fineness 1.8~2.0.
Further, the barren rock granularity 5mm~25mm.
Further, the water reducer is high-efficiency water-reducing agent of poly-carboxylic acid.
The beneficial effects of the invention are as follows：
The iron tailings after suspension roasting is used for sleeper concrete, more general mine tailing addition content by the present invention
Greatly, without fine grinding, reduce ore grinding cost, and the sleeper concrete intensity prepared is high, performance is good, can with it is large using mine tailing, it is useless
Stone, resource utilization is improved, reduce mine tailing, barren rock occupation of land, there is preferable Social benefit and economic benefit.
Embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that implement describedly
Example only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Embodiment 1
A kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture, including suspension roasting iron tailings, cement,
Miberal powder, flyash, silicon ash, CHARACTERISTICS OF TAILINGS SAND, barren rock, water reducer and water, often each component weight is in cubic meter of concrete：Suspension roasting
Iron tailings 150kg, cement 190kg, miberal powder 200kg, flyash 50kg, silicon ash 60kg, CHARACTERISTICS OF TAILINGS SAND 700kg, barren rock 1500kg, water
130kg, water reducer 1.5kg.
After above-mentioned raw materials are weighed by proportioning, add in mixer, required concrete is produced after stirring.The present embodiment
The concrete strength of preparation meets C80 concrete requirements, and the 28 days compression strength of concrete sleeper that it makes is up to 93.3Mpa.
Embodiment 2
A kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture, including suspension roasting iron tailings, cement,
Miberal powder, flyash, silicon ash, CHARACTERISTICS OF TAILINGS SAND, barren rock, water reducer and water, often each component weight is in cubic meter of concrete：Suspension roasting
Iron tailings 165kg, cement 180kg, miberal powder 180kg, flyash 60kg, silicon ash 55kg, CHARACTERISTICS OF TAILINGS SAND 750kg, barren rock 1450kg, water
150kg, water reducer 1.6kg.
After above-mentioned raw materials are weighed by proportioning, add in mixer, required concrete is produced after stirring.The present embodiment
The concrete strength of preparation meets C80 concrete requirements, and the 28 days compression strength of concrete sleeper that it makes is up to 88.1Mpa.
Embodiment 3
A kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture, including suspension roasting iron tailings, cement,
Miberal powder, flyash, silicon ash, CHARACTERISTICS OF TAILINGS SAND, barren rock, water reducer and water, often each component weight is in cubic meter of concrete：Suspension roasting
Iron tailings 180kg, cement 170kg, miberal powder 220kg, flyash 70kg, silicon ash 50kg, CHARACTERISTICS OF TAILINGS SAND 800kg, barren rock 1400kg, water
160kg, water reducer 1.7kg.
After above-mentioned raw materials are weighed by proportioning, add in mixer, required concrete is produced after stirring.The present embodiment
The concrete strength of preparation meets C80 concrete requirements, and the 28 days compression strength of concrete sleeper that it makes is up to 85.5Mpa.
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)
1. a kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture, including suspension roasting iron tailings, water
Mud, miberal powder, flyash, silicon ash, CHARACTERISTICS OF TAILINGS SAND, barren rock, water reducer and water, it is described to be per each component weight in cubic meter of concrete：
150 ~ 180kg of suspension roasting iron tailings, the kg of cement 170 ~ 190, the kg of miberal powder 180 ~ 220, the kg of flyash 50 ~ 70, silicon ash 50 ~
60th, the kg of CHARACTERISTICS OF TAILINGS SAND 700 ~ 800, the kg of barren rock 1400 ~ 1500,130 ~ 160kg of water, 1.5 ~ 1.7kg of water reducer.
2. a kind of sleeper concrete of the superfine suspension roasting iron tailings according to claim 1 as mineral admixture, its
It is characterised by, the suspension roasting iron tailings granularity is that -500 mesh account for more than 90%, specific surface area 423m2/kg。
3. a kind of sleeper concrete of the superfine suspension roasting iron tailings according to claim 1 as mineral admixture, its
It is characterised by, the cement is 42.5 grades of Portland cements.
4. a kind of sleeper concrete of the superfine suspension roasting iron tailings according to claim 1 as mineral admixture, its
It is characterised by, the miberal powder specific surface area 615m2/kg。
5. a kind of sleeper concrete of the superfine suspension roasting iron tailings according to claim 1 as mineral admixture, its
It is characterised by, the m of flyash specific surface area 4002/kg。
6. a kind of sleeper concrete of the superfine suspension roasting iron tailings according to claim 1 as mineral admixture, its
It is characterised by, the m of silicon ash specific surface area 21002/kg。
7. a kind of sleeper concrete of the superfine suspension roasting iron tailings according to claim 1 as mineral admixture, its
It is characterised by, granularity 0.15mm ~ 5mm of the CHARACTERISTICS OF TAILINGS SAND, modulus of fineness 1.8 ~ 2.0.
8. a kind of sleeper concrete of the superfine suspension roasting iron tailings according to claim 1 as mineral admixture, its
It is characterised by, the barren rock granularity 5mm ~ 25mm.
9. a kind of sleeper concrete of the superfine suspension roasting iron tailings according to claim 1 as mineral admixture, its
It is characterised by, the water reducer is high-efficiency water-reducing agent of poly-carboxylic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710865546.7A CN107500657A (en) | 2017-09-22 | 2017-09-22 | A kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710865546.7A CN107500657A (en) | 2017-09-22 | 2017-09-22 | A kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107500657A true CN107500657A (en) | 2017-12-22 |
Family
ID=60698270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710865546.7A Pending CN107500657A (en) | 2017-09-22 | 2017-09-22 | A kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107500657A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112830732A (en) * | 2021-01-19 | 2021-05-25 | 张延年 | Concrete doped with multi-element admixture and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163582A (en) * | 2013-05-17 | 2014-11-26 | 厦门新安德矿产科技有限公司 | Cement with magnetization reduction roasting iron tailing as mixing material, and preparation method thereof |
| CN104402335A (en) * | 2014-11-14 | 2015-03-11 | 中国建筑材料科学研究总院 | High-strength concrete employing magnetized reduced roasted iron-beneficiation tailings as admixture |
| CN106278730A (en) * | 2016-08-15 | 2017-01-04 | 大连地拓重工有限公司 | A kind of suspension roasting iron tailings planting soil and preparation method thereof |
| CN106278352A (en) * | 2016-08-18 | 2017-01-04 | 大连地拓重工有限公司 | A kind of suspension roasting iron tailings water-permeable brick and preparation method thereof |
-
2017
- 2017-09-22 CN CN201710865546.7A patent/CN107500657A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163582A (en) * | 2013-05-17 | 2014-11-26 | 厦门新安德矿产科技有限公司 | Cement with magnetization reduction roasting iron tailing as mixing material, and preparation method thereof |
| CN104402335A (en) * | 2014-11-14 | 2015-03-11 | 中国建筑材料科学研究总院 | High-strength concrete employing magnetized reduced roasted iron-beneficiation tailings as admixture |
| CN106278730A (en) * | 2016-08-15 | 2017-01-04 | 大连地拓重工有限公司 | A kind of suspension roasting iron tailings planting soil and preparation method thereof |
| CN106278352A (en) * | 2016-08-18 | 2017-01-04 | 大连地拓重工有限公司 | A kind of suspension roasting iron tailings water-permeable brick and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112830732A (en) * | 2021-01-19 | 2021-05-25 | 张延年 | Concrete doped with multi-element admixture and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102765889B (en) | Preparation method for tailing barren rock-made high-strength concrete containing coal ash | |
| CN103626440B (en) | A kind of mineral hot furnace slag dry-mixed mortar and preparation method thereof | |
| CN104150794A (en) | Preparation method for Portland cement with iron tailings | |
| CN107365114A (en) | A kind of pervious concrete of suitable stirring transport | |
| CN101348335A (en) | Method for preparing special concrete for high-performance concrete from magnet aposand stone iron tailings | |
| CN107382277A (en) | A kind of superfine composite modified agstone of concrete microdilatancy | |
| CN104891884A (en) | C35 low-gel-material self-compacting concrete and preparation method thereof | |
| CN114890693B (en) | Solid waste base gelling material and preparation method and application thereof | |
| CN111848035A (en) | Grouting material for connecting reinforcing steel bar sleeve and preparation method and application thereof | |
| CN107473613B (en) | A kind of cement and preparation method thereof using industrial solid-state castoff production | |
| CN104386954B (en) | A kind of abrasion-proof terrace mortar with silicon carbide waste as reinforcing material and preparation method | |
| CN105174847A (en) | Commercial concrete prepared from yellow river silt | |
| CN109553355A (en) | A kind of C40P12 subway concrete and preparation method thereof | |
| CN109553361A (en) | A kind of C60P12 subway concrete and preparation method thereof | |
| CN109336437A (en) | A kind of limestone micropowder-steel-making slag powder-composite blending material of slag powder and its preparation process | |
| CN107500657A (en) | A kind of sleeper concrete of superfine suspension roasting iron tailings as mineral admixture | |
| CN109437769A (en) | A kind of C30P10 subway concrete and preparation method thereof | |
| CN107739173A (en) | A kind of superfine suspension roasting iron tailings prepares curb stone concrete as mineral admixture | |
| CN108530015A (en) | A kind of steamed brick and preparation method thereof using bauxite gangue manufacture | |
| CN108715521A (en) | A kind of composite blend containing flyash and slag powders and the high-strength concrete using its preparation | |
| CN109503083A (en) | A kind of C50P8 subway concrete and preparation method thereof | |
| CN106186961A (en) | A kind of colliery rubber solid material and spoil mastic thereof | |
| CN109608132A (en) | A kind of C45P10 subway concrete and preparation method thereof | |
| CN109553358A (en) | A kind of C45P8 subway concrete and preparation method thereof | |
| CN109503084A (en) | A kind of C45P6 subway concrete and preparation method thereof |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |