CN106278054A - 钢渣混凝土的制备及应用 - Google Patents
钢渣混凝土的制备及应用 Download PDFInfo
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- CN106278054A CN106278054A CN201610701629.8A CN201610701629A CN106278054A CN 106278054 A CN106278054 A CN 106278054A CN 201610701629 A CN201610701629 A CN 201610701629A CN 106278054 A CN106278054 A CN 106278054A
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- 239000002893 slag Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 239000004568 cement Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052925 anhydrite Inorganic materials 0.000 claims description 3
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical group [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- 235000012241 calcium silicate Nutrition 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 238000007885 magnetic separation Methods 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims 2
- 229910052906 cristobalite Inorganic materials 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 229910052682 stishovite Inorganic materials 0.000 claims 2
- 229910052905 tridymite Inorganic materials 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000011398 Portland cement Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
Classifications
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- 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
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/142—Steelmaking slags, converter slags
-
- 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
-
- 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
- C04B5/00—Treatment of metallurgical slag ; Artificial stone from molten metallurgical slag
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
本发明涉及混凝土制备技术领域，尤其是一种钢渣混凝土的制备及应用，其制备过程为：将钢渣通过筛选、磨细、均化工艺制得钢渣微粉，然后将其与建筑垃圾微粉和水泥掺合配制干混砂浆。本发明的钢渣混凝土的制备及应用将钢渣通过筛选、磨细、均化工艺制得钢渣微粉，然后将其与建筑垃圾微粉和水泥掺合配制干混砂浆，使其在施工现场更容易进行装卸和运输，施工效率也得以提高。
Description
技术领域
本发明涉及混凝土制备技术领域，尤其是一种钢渣混凝土的制备及应用。
背景技术
目前用于混凝土砂浆的质量取决于原材料的质量、适宜的配合比和配料的计量、拌合物的均匀性及砂浆的和易性或流变性等，而现场配制的砂浆由于受现场操作人员影响容易出现砂浆质量不稳定等问题，随着建筑业的发展，这种砂浆已无法满足当前砂浆的施工要求。
发明内容
本发明要解决的技术问题是：为了解决上述背景技术中存在的问题，提供一种改进的钢渣混凝土的制备及应用，解决目前传统的砂浆已无法满足当前砂浆的施工要求的问题。
本发明解决其技术问题所采用的技术方案是：一种钢渣混凝土的制备，其制备过程为：将钢渣通过筛选、磨细、均化工艺制得钢渣微粉，然后将其与建筑垃圾微粉和水泥掺合配制干混砂浆，建筑垃圾微粉的化学成分中SiO2为52.3％、Fe2O2为1.94％、Al2O2为5.98％、TiO2为0.78％、CaO为20.47％、MgO为1.67％、K2O为1.02％、Na2O为1.3％、SO3为0.63％和其余杂质为12.82％，钢渣微粉的化学成分中SiO2为13.25％、Fe2O2为24.13％、TiO2为0.33％、CaO为40.56％、MgO为8.35％、CaSO4为4.98％和其余杂质为4.78％，
优选地，所述的钢渣原料经磁选和磨细制成的粉状物料主要矿物成分为硅酸二钙和RO，其比表面积约为500m2/kg。
一种钢渣混凝土的应用，所述的建筑垃圾微粉、钢渣微粉以及水泥复掺的干混砂浆工作性良好，流动度在150～180mm，保水性均大于88％。
本发明的有益效果是，本发明的钢渣混凝土的制备及应用将钢渣通过筛选、磨细、均化工艺制得钢渣微粉，然后将其与建筑垃圾微粉和水泥掺合配制干混砂浆，使其在施工现场更容易进行装卸和运输，施工效率也得以提高。
具体实施方式
钢渣混凝土的制备，其制备过程为：将钢渣通过筛选、磨细、均化工艺制得钢渣微粉，然后将其与建筑垃圾微粉和水泥掺合配制干混砂浆，建筑垃圾微粉的化学成分中SiO2为52.3％、Fe2O2为1.94％、Al2O2为5.98％、TiO2为0.78％、CaO为20.47％、MgO为1.67％、K2O为1.02％、Na2O为1.3％、SO3为0.63％和其余杂质为12.82％，钢渣微粉的化学成分中SiO2为13.25％、Fe2O2为24.13％、TiO2为0.33％、CaO为40.56％、MgO为8.35％、CaSO4为4.98％和其余杂质为4.78％，
优选地，所述的钢渣原料经磁选和磨细制成的粉状物料主要矿物成分为硅酸二钙和RO，其比表面积约为500m2/kg。
一种钢渣混凝土的应用，所述的建筑垃圾微粉、钢渣微粉以及水泥复掺的干混砂浆工作性良好，流动度在150～180mm，保水性均大于88％。
本发明的有益效果是，本发明的钢渣混凝土的制备及应用将钢渣通过筛选、磨细、均化工艺制得钢渣微粉，然后将其与建筑垃圾微粉和水泥掺合配制干混砂浆，使其在施工现场更容易进行装卸和运输，施工效率也得以提高。
实施例：实验用水泥为42.5级普通硅酸盐水泥，其化学成分分析见表1，部分物理及力学性能见表2：
表1试验用42.5级普通硅酸盐水泥化学成分％
表2试验用42.5级普通硅酸盐水泥物理力学性能
复合外加剂由纤维素醚、可再分散乳胶粉、保水增稠剂、减水剂和矿物外加剂等多组分按一定比例经特殊工艺复合而成
掺建筑垃圾微粉、钢渣微粉的干混砂浆工作性如表3所示：
表3掺建筑垃圾微粉和钢渣微粉干混砂浆配合比及工作性
注：复合外加剂掺量均为胶凝材料总量的8.4％。
由表3可知，掺建筑垃圾微粉和钢渣微粉的干混砂浆工作性良好，流动度 在150～180mm，保水性均大于88％，均满足《干混砂浆应用技术规程》(DBJ/T15-36-2004)的技术要求。
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。
Claims (3)
1.一种钢渣混凝土的制备，其制备过程为：将钢渣通过筛选、磨细、均化工艺制得钢渣微粉，然后将其与建筑垃圾微粉和水泥掺合配制干混砂浆，建筑垃圾微粉的化学成分中SiO2为52.3％、Fe2O2为1.94％、Al2O2为5.98％、TiO2为0.78％、CaO为20.47％、MgO为1.67％、K2O为1.02％、Na2O为1.3％、SO3为0.63％和其余杂质为12.82％，钢渣微粉的化学成分中SiO2为13.25％、Fe2O2为24.13％、TiO2为0.33％、CaO为40.56％、MgO为8.35％、CaSO4为4.98％和其余杂质为4.78％。
2.根据权利要求1所述的钢渣混凝土的制备，其特征是：所述的钢渣原料经磁选和磨细制成的粉状物料主要矿物成分为硅酸二钙和RO，其比表面积约为500m2/kg。
3.一种钢渣混凝土的应用，其特征是：所述的建筑垃圾微粉、钢渣微粉以及水泥复掺的干混砂浆工作性良好，流动度在150～180mm，保水性均大于88％。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110963767A (zh) * | 2019-12-31 | 2020-04-07 | 上海星欣科技发展有限公司 | 一种碾压混凝土及其制备方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104402330A (zh) * | 2014-11-04 | 2015-03-11 | 潍坊德霖建材科技有限公司 | 一种干混自流平砂浆 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402330A (zh) * | 2014-11-04 | 2015-03-11 | 潍坊德霖建材科技有限公司 | 一种干混自流平砂浆 |
Non-Patent Citations (1)
| Title |
|---|
| 钟开红: "利用建筑垃圾和工业废渣制备干混砂浆的研究", 《广州建筑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110963767A (zh) * | 2019-12-31 | 2020-04-07 | 上海星欣科技发展有限公司 | 一种碾压混凝土及其制备方法 |
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