CN113003994A - 一种燃煤炉渣混凝土 - Google Patents
一种燃煤炉渣混凝土 Download PDFInfo
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- CN113003994A CN113003994A CN202011603465.8A CN202011603465A CN113003994A CN 113003994 A CN113003994 A CN 113003994A CN 202011603465 A CN202011603465 A CN 202011603465A CN 113003994 A CN113003994 A CN 113003994A
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- coal
- furnace slag
- fired furnace
- concrete
- weight
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- 239000002893 slag Substances 0.000 title claims abstract description 48
- 239000004567 concrete Substances 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000654 additive Substances 0.000 claims abstract description 8
- 230000000996 additive effect Effects 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims abstract description 6
- 239000010881 fly ash Substances 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- -1 ceramsite Substances 0.000 abstract description 4
- 238000007667 floating Methods 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
Abstract
本发明公开了一种燃煤炉渣混凝土，按重量份计算，该混凝土各组分配比为：水泥278kg、燃煤炉渣1173kg、水310kg、粉煤灰92kg以及外加剂3.7kg。本发明采用燃煤炉渣作为混凝土的主要骨料，且燃煤炉渣单个体积较小，使得燃煤炉渣混凝土更加具有流动性；同时，本发明在混凝土中添加了陶粒、陶沙以及水渣等多种轻质材料，不仅提高了燃煤炉渣混凝土的强度，还解决了轻质材料上浮的问题。
Description
技术领域
本发明涉及一种燃煤炉渣混凝土，属于轻质混凝土技术领域。
背景技术
燃煤炉渣混凝土是一种保温、防火的新型混凝土，是以燃煤炉渣作为拌合物的一种新型混凝土。燃煤炉渣是燃煤电厂、工业和民用锅炉及其他设备燃煤后排出的废渣。主要含二氧化硅、三氧化二铝、三氧化二铁、氧化钙及少量镁、硫、碳等。化学成分与燃煤成分、粒度、锅炉形式和燃烧技术等有关。燃煤炉渣可回收用作建筑材料(砌筑砂浆、墙体材料、水泥混合材料、混凝土骨料、保温材料等)和筑路材料等。燃煤炉渣取代了传统骨料，摆脱了对传统骨料的严重依赖，又能对固体废弃物进行高效利用。燃煤炉渣混凝土具备环保无污染、保温防火、轻质、隔音等特点，在建筑施工中，一次浇筑即具备了上述优点。但是燃煤炉渣自身强度较小，以燃煤炉渣作为骨料浇筑的混凝土抗压强度较低，不宜作为混凝土受力构件使用，同时，高燃煤炉渣混凝土中的轻质材料易上浮，导致混凝土内部密度不均匀，影响浇筑质量。
发明内容
本发明的目的在于提供一种流动性好、强度高、避免高燃煤炉渣混凝土中的轻质材料易上浮的燃煤炉渣混凝土，以克服现有技术中的不足。
为了实现上述目的，本发明采用了如下技术方案：一种燃煤炉渣混凝土，按重量份计算，该混凝土各组分配比为：水泥278kg、燃煤炉渣1173kg、水310kg、粉煤灰92kg以及外加剂3.7kg。
上述燃煤炉渣混凝土还包括轻质材料，按重量份计算，所述的轻质材料是由陶粒1～2、陶沙0.5份以及水渣0.5份组成。
进一步，所述外加剂为高性能聚羧酸减水剂，减水率≥25％。
由于采用了上述技术方案，本发明的具有以下优点：本发明采用燃煤炉渣作为混凝土的主要骨料，且燃煤炉渣单个体积较小，使得燃煤炉渣混凝土更加具有流动性；同时，本发明在混凝土中添加了陶粒、陶沙以及水渣等多种轻质材料，不仅提高了燃煤炉渣混凝土的强度，还解决了轻质材料上浮的问题。
具体实施方式
下面将结合本发明实施例，对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明的实施例：一种燃煤炉渣混凝土，按重量份计算，该混凝土各组分配比为：水泥278kg、燃煤炉渣1173kg、水310kg、粉煤灰92kg、外加剂3.7kg、陶粒320kg，陶沙139kg以及水渣139kg。所述外加剂为高性能聚羧酸减水剂，减水率≥25％。
该燃煤炉渣混凝土的配制方法如下步骤：将水、外加剂、陶粒、陶沙、水渣、水泥以及粉煤灰混合后搅拌15秒，加入燃煤炉渣再搅拌60秒即可得到，该燃煤炉渣混凝土的干容重≦1500kg/m3,强度≧10MPa。
综上所述，本发明采用燃煤炉渣作为混凝土的主要骨料，且燃煤炉渣单个体积较小，使得燃煤炉渣混凝土更加具有流动性；同时，本发明在混凝土中添加了陶粒、陶沙以及水渣等多种轻质材料，不仅提高了燃煤炉渣混凝土的强度，还解决了轻质材料上浮的问题。
Claims (3)
1.一种燃煤炉渣混凝土，其特征在于：按重量份计算，该混凝土各组分配比为：水泥278kg、燃煤炉渣1173kg、水310kg、粉煤灰92kg以及外加剂3.7kg。
2.根据权利要求1所述的燃煤炉渣混凝土，其特征在于：还包括轻质材料，按重量份计算，所述的轻质材料是由陶粒1～2、陶沙0.5份以及水渣0.5份组成。
3.根据权利要求2所述的燃煤炉渣混凝土，其特征在于：所述外加剂为高性能聚羧酸减水剂，减水率≥25％。
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| CN202011603465.8A CN113003994A (zh) | 2020-12-29 | 2020-12-29 | 一种燃煤炉渣混凝土 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380561A (zh) * | 2022-02-23 | 2022-04-22 | 中交二公局萌兴工程有限公司 | 一种燃煤炉渣基泡沫轻质土及其制备方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2424825A2 (en) * | 2009-04-29 | 2012-03-07 | Cengiz Koca | High performance cement and production process |
| CN103664094A (zh) * | 2013-11-14 | 2014-03-26 | 河南兴安新型建筑材料有限公司 | 一种轻骨料混凝土及其制备方法 |
| CN110818341A (zh) * | 2019-12-04 | 2020-02-21 | 中建科技贵州有限公司 | 一种筑粒混凝土 |
| WO2020249145A1 (en) * | 2019-06-14 | 2020-12-17 | ERC-TECH a.s. | Dry mixture for the preparation of concrete, fresh concrete and method for the preparation of fresh concrete |
-
2020
- 2020-12-29 CN CN202011603465.8A patent/CN113003994A/zh active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2424825A2 (en) * | 2009-04-29 | 2012-03-07 | Cengiz Koca | High performance cement and production process |
| CN103664094A (zh) * | 2013-11-14 | 2014-03-26 | 河南兴安新型建筑材料有限公司 | 一种轻骨料混凝土及其制备方法 |
| WO2020249145A1 (en) * | 2019-06-14 | 2020-12-17 | ERC-TECH a.s. | Dry mixture for the preparation of concrete, fresh concrete and method for the preparation of fresh concrete |
| CN110818341A (zh) * | 2019-12-04 | 2020-02-21 | 中建科技贵州有限公司 | 一种筑粒混凝土 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380561A (zh) * | 2022-02-23 | 2022-04-22 | 中交二公局萌兴工程有限公司 | 一种燃煤炉渣基泡沫轻质土及其制备方法 |
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Application publication date: 20210622 |