CN101786820B - 一种干混抹灰砂浆专用矿粉基掺合料及其应用 - Google Patents

一种干混抹灰砂浆专用矿粉基掺合料及其应用 Download PDF

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CN101786820B
CN101786820B CN2009102006285A CN200910200628A CN101786820B CN 101786820 B CN101786820 B CN 101786820B CN 2009102006285 A CN2009102006285 A CN 2009102006285A CN 200910200628 A CN200910200628 A CN 200910200628A CN 101786820 B CN101786820 B CN 101786820B
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dry
plastering mortar
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mixed plastering
mineral powder
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CN101786820A (zh
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王培铭
张国防
刘宾
康明
王彩英
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Tongji University
Shanghai Baotian New Building Materials Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039Premixtures of ingredients
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/46Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00017Aspects relating to the protection of the environment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00637Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
    • C04B2111/00646Masonry mortars
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

本发明属建筑材料技术领域,具体涉及一种专用于干混抹灰砂浆的矿粉基掺合料及其应用。本发明所述的干混抹灰砂浆专用矿粉基掺合料,各组分的质量分数如下:矿渣微粉:50%~60%、粉煤灰:40%~50%、脱硫石膏:2%~5%、膨润土:1%~2%、化学添加剂:0.05%~0.15%。本发明所述的干混抹灰砂浆专用矿粉基掺合料适用于不同强度等级的干混抹灰砂浆,替代部分水泥等胶凝材料以及增稠材料等,直接和水泥、砂混合配制得到干混抹灰砂浆。使用本发明能大幅度降低抹灰砂浆分层度,显著提高保水率,改善抹灰砂浆拌和物的均匀性、稳定性和施工性,确保抹灰砂浆具有较高的强度,并降低干混抹灰砂浆原材料及生产成本,提高施工效率,减少环境污染。

Description

一种干混抹灰砂浆专用矿粉基掺合料及其应用
技术领域
本发明属于建筑材料技术领域,具体涉及一种干混抹灰砂浆专用矿粉基掺合料及其应用。
背景技术
干混砂浆是指将干粉状的骨料(砂子)、胶凝材料、化学添加剂等均匀混合,通过计算机计量控制、机械化生产、产品可以散装运到现场,作业时只要按一定比例加水搅匀,即可直接使用的新型干粉类砂浆。
干混砂浆具有可机械化作业,人力成本低,生产效率高,环境污染小,性能良好、质量稳定等优点,在我国已逐渐得到广泛推广和应用。尤其是2007年6月,商务部等四部两局发布了《关于在部分城市限期禁止现场搅拌砂浆工作的通知》(商改发〔2007〕205号),进一步推动了我国干混砂浆产业的发展。
在诸多干混砂浆品种中,抹灰砂浆属于最为常用和用量最大的一种干混砂浆。目前,干混抹灰砂浆组分包括水泥、砂、矿渣微粉、粉煤灰、石灰、增稠材料等多种原材料。在干混抹灰砂浆生产过程中,需要多个储存料仓,并精确计量,这会增加生产投资成本;且由于原材料变化,会导致其性能波动幅度大。基于此,本发明为了降低干混抹灰砂浆生产成本和原材料成本,简化生产过程,拓展矿渣微粉的应用范围,通过几种无机材料和有机材料等的复配,进行了干混抹灰砂浆专用矿粉基掺合料的研制。
发明内容
本发明的目的在于提供一种综合性能优良、成本较低的干混抹灰砂浆专用矿粉基掺合料及其应用。
本发明提出的干混抹灰砂浆专用矿粉基掺合料,其组分及配比(重量百分比)为:
矿渣微粉:  50%~60%
脱硫石膏:  2%~5%
膨润土:    1%~2%
化学添加剂:0.05%~0.15%
其余为粉煤灰,其总重量满足100%。
本发明中,所述化学添加剂为纤维素醚、淀粉醚或消泡剂中任一种。
本发明提出的干混抹灰砂浆专用矿粉基掺合料的制备方法,具体步骤如下:按重量比称量各先将矿渣微粉与粉煤灰混合均匀,然后依次加入脱硫石膏、膨润土以及化学外加剂,混合均匀,即得产品。
本发明所述的干混抹灰砂浆专用矿粉基掺合料成品为干粉状,利用其进行干混抹灰砂浆生产时,根据干混抹灰砂浆的强度等级要求,只需将其与适量的水泥、砂等混合均匀即可。所得产品与水泥、砂的比例关系为(0.25~0.75)∶(0.5~1)∶(1~4)。在砂用量不变的情况下,所述掺合料可以取代水泥等胶凝材料的量为20%~60%。
本干混抹灰砂浆专用矿粉基掺合料的检测结果如表1所示:
表1干混抹灰砂浆专用矿粉基掺合料的基本性能要求
Figure G2009102006285D00021
本干混抹灰砂浆专用矿粉基掺合料不仅能替代抹灰砂浆中的部分水泥等胶凝材料,同时还能替代稠化材料和一些化学外加剂,并在保证抹灰砂浆具有优异施工性能的同时,还具有良好的物理力学性能。在一定稠度(80~120mm)的情况下,本干混抹灰砂浆专用矿粉基掺合料配制的抹灰砂浆可施工操作时间长,施工手感好,施工效率高。本干混抹灰砂浆专用矿粉基掺合料适用性广,可用于配制M5~M20不同强度等级的抹灰砂浆。
本干混抹灰砂浆专用矿粉基掺合料主要组成成分为固体工业废弃物,不仅具有良好的经济社会效益,还能起到节能减排的作用。
综上所述,本干混抹灰砂浆专用矿粉基掺合料生产过程简单,各性能指标优良、品质易于控制,适用范围广,可用于各强度等级抹灰砂浆的生产,便于大规模推广应用。
本发明可以在工厂直接和水泥、砂按一定比例混合,得到性能良好的干混抹灰砂浆,不仅能确保干混抹灰砂浆的产品质量,还能简化干混抹灰砂浆生产工艺过程,进一步提高干混抹灰砂浆的性能,降低干混抹灰砂浆的生产成本,并起到节约能源资源,保护环境的作用;还能拓展矿渣微粉等固体工业废弃物的应用范围,提高其附加值。
具体实施方式
下面通过实施例进一步说明本发明。
实施例1:本干混抹灰砂浆专用矿粉基掺合料配制的强度等级M5的干混抹灰砂浆,其组分及配比(质量比)为:水泥:165kg;干混抹灰砂浆专用矿粉基掺合料:85kg,中砂:750kg。所用掺合料的重量配比为:矿渣微粉∶粉煤灰∶脱硫石膏∶膨润土∶化学添加剂=50∶45.42∶3.5∶1∶0.08。M5抹灰砂浆检测测试得到的性能结果如表2所示。
表2配制得到的M5抹灰砂浆性能指标及测试结果
实施例2:本干混抹灰砂浆专用矿粉基掺合料配制的强度等级M10的干混抹灰砂浆,其组分及配比(质量比,)为:水泥:185kg;干混抹灰砂浆专用矿粉基掺合料:95kg,中砂:720kg。所用掺合料的重量配比为:矿渣微粉∶粉煤灰∶脱硫石膏∶膨润土∶化学添加剂=54∶40.79∶3.8∶1.3∶0.11。M10抹灰砂浆检测测试得到的性能结果如表3所示。
表3配制得到的M10抹灰砂浆性能指标及测试结果
Figure G2009102006285D00032
由以上实施例可见,本干混抹灰砂浆专用矿粉基掺合料可以制备出不同强度等级的干混抹灰砂浆。各项性能指标均满足或超过相关标准和实际工程要求,且简化干混抹灰砂浆的生产过程,可以广泛推广使用。

Claims (2)

1.一种干混抹灰砂浆专用矿粉基掺合料,其特征在于其组分及配比为:
矿渣微粉:         50%~60%
脱硫石膏:         2%~5%
膨润土:           1%~2%
化学添加剂:       0.05%~0.15%
其余为粉煤灰,其总重量满足100%;
其中:所述化学添加剂为纤维素醚或消泡剂。
2.一种如权利要求1所述的干混抹灰砂浆专用矿粉基掺合料在混抹灰砂浆生产中的应用,将该掺合料与水泥、砂混合均匀即可,掺合料与水泥、砂的重量比为(0.25~0.75)∶(0.5~1)∶(1~4),在砂用量不变的情况下,所述掺合料取代水泥的重量为20%~60%。 
CN2009102006285A 2009-12-24 2009-12-24 一种干混抹灰砂浆专用矿粉基掺合料及其应用 Expired - Fee Related CN101786820B (zh)

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CN102199011A (zh) * 2010-03-26 2011-09-28 上海宝田新型建材有限公司 一种干混砌筑砂浆用矿粉基掺合料及其制备方法和应用
CN102531438A (zh) * 2012-03-02 2012-07-04 东南大学 一种碱激发矿渣砂浆
CN104496212A (zh) * 2014-11-25 2015-04-08 广西鱼峰水泥股份有限公司 一种高活性矿粉的配方
CN105800995A (zh) * 2016-03-22 2016-07-27 苏州百联建筑工程有限公司 一种干混抹灰砂浆添加剂及其应用
CN106747090B (zh) * 2016-12-14 2019-04-19 中南大学 一种改性白云石粉基矿物掺合料及其制备方法
CN106587685A (zh) * 2016-12-15 2017-04-26 上海宝田新型建材有限公司 一种混凝土用复合粉煤灰掺合料
CN110698102A (zh) * 2019-10-31 2020-01-17 上海宝田新型建材有限公司 一种海工掺合料

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CN101538136A (zh) * 2009-04-29 2009-09-23 华南理工大学 一种具有高保水性的预拌砂浆及其生产方法

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