CN101693603A - 一种新型快硬钢渣水泥 - Google Patents

一种新型快硬钢渣水泥 Download PDF

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CN101693603A
CN101693603A CN200910229285A CN200910229285A CN101693603A CN 101693603 A CN101693603 A CN 101693603A CN 200910229285 A CN200910229285 A CN 200910229285A CN 200910229285 A CN200910229285 A CN 200910229285A CN 101693603 A CN101693603 A CN 101693603A
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cement
steel slag
aluminate
rapid hardening
ranges
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寇雪军
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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
    • C04B28/14Compositions 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 calcium sulfate cements
    • 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
    • C04B2111/00034Physico-chemical characteristics of the mixtures
    • C04B2111/00215Mortar or concrete mixtures defined by their oxide composition
    • 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

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Structural Engineering (AREA)
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Abstract

本发明公开了一种以钢渣为主要原料的水泥,其原料重量配比为:钢渣30-50%;硅酸盐水泥20-40%;石膏10-20%;硫酸铝2-5%;氯化镁2-5%;含钡硫铁铝酸盐水泥10-20%。本发明可以最大限度利用钢渣废料,解决了环境污染问题,同时提供了一种强度达到国家标准的新型快硬钢渣水泥。

Description

一种新型快硬钢渣水泥
技术领域
本发明涉及一种以钢渣为主要原料的水泥,特别涉及一种新型快硬钢渣水泥。
背景技术
钢渣是炼钢产生的废渣,每年的产量非常大,它主要含有CaO,SiO2,F2O3,FeO等成分,其本身的活性较低,因此用作水泥的主要原料时,其强度达不到要求。
中国专利200310105554.X公开了一种含钡硫酸铝酸盐水泥,其水泥熟料含有5-80%(重量)的硫铁铝酸钡钙,其中硫铁铝酸钡钙(简写为C4-xBxA3-yFyS)的分子式为(3-x)CaOx·BaO·(3-y)Al2O3·yFeZO3·CaSO4(x,y=0.10~3)。该水泥具有早期强度高、硬化速度快的特点。
发明内容
本发明为了克服以上技术方面的不足,提供了一种可以充分利用钢渣、强度达到国家标准的新型快硬钢渣水泥。
本发明是通过以下措施来实现的:
本发明的新型快硬钢渣水泥,是由以下重量配比的原料制成:
钢渣          30-50%;
硅酸盐水泥    20-40%;
石膏          10-20%;
硫酸铝                2-5%;
氯化镁                2-5%;
含钡硫铁铝酸盐水泥    10-20%;
所述的含钡硫铁铝酸盐水泥为水泥熟料中含50%的硫铁铝酸钡钙、20%硅酸二钙、20%硅酸三钙、5%铝酸三钙、5%铁铝酸盐;所述的硫铁铝酸钡钙的分子式为:
(3-x)CaO·x BaO·(3-y)Al2O3·yFe2O3·CaSO4(x,y=1~2)。
本发明的配方中,主要利用含钡硫铁铝酸盐水泥、硫酸铝含有较高数量的铝元素,在水化过程中,可以形成具有交联作用的胶凝材料,可以与钢渣进行有效的结合,以提高其早期强度。本发明的有益效果是,可以最大限度利用钢渣废料,解决了环境污染问题,同时提供了一种强度达到国家标准的新型快硬钢渣水泥。
具体实施方式:
实施例1
选用济南钢铁集团的钢渣为主要原料。钢渣的化学成分和其重量百分比见表1:
表1
Figure G2009102292855D0000021
本发明使用的含钡硫铁铝酸盐水泥,其制备是采用中国专利号为200310105554.X的技术方案制成的。
将上述45Kg钢渣粉碎,磨成细粉,并与25Kg325#硅酸盐水泥、10Kg石膏、5Kg硫酸铝、3Kg氯化镁、12Kg含钡硫铁铝酸盐水泥混合,磨成325目细粉。
实施例2
钢渣与含钡硫铁铝酸盐水泥同实施例1。
将上述35Kg钢渣粉碎,磨成细粉,并与25Kg325#硅酸盐水泥、14Kg石膏、3Kg硫酸铝、5Kg氯化镁、18Kg含钡硫铁铝酸盐水泥混合,磨成325目细粉。
测试例:
测试实施例1和2的物理性能,结果见表2,达到或超过国家325号水泥标准。
表2
Figure G2009102292855D0000031

Claims (1)

1.一种新型快硬钢渣水泥,其特征是由以下重量配比的原料制成:
钢渣                      30-50%;
硅酸盐水泥                20-40%;
石膏                      10-20%;
硫酸铝                    2-5%;
氯化镁                    2-5%;
含钡硫铁铝酸盐水泥        10-20%;
所述的含钡硫铁铝酸盐水泥为水泥熟料中含有50%的硫铁铝酸钡钙、20%硅酸二钙、20%硅酸三钙、5%铝酸三钙、5%铁铝酸盐;所述的硫铁铝酸钡钙的分子式为:
(3-x)CaO·x BaO·(3-y)Al2O3·yFe2O3·CaSO4(x,y=1~2)。
CN200910229285A 2009-10-27 2009-10-27 一种新型快硬钢渣水泥 Pending CN101693603A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225851A (zh) * 2011-03-21 2011-10-26 莱芜海易胶固材料有限公司 一种胶固粉及其制备方法
CN107935419A (zh) * 2017-12-12 2018-04-20 常州明华运输有限公司 一种改性钢渣水泥

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225851A (zh) * 2011-03-21 2011-10-26 莱芜海易胶固材料有限公司 一种胶固粉及其制备方法
CN107935419A (zh) * 2017-12-12 2018-04-20 常州明华运输有限公司 一种改性钢渣水泥
CN107935419B (zh) * 2017-12-12 2020-08-14 湖州市菱湖三狮水泥有限公司 一种改性钢渣水泥

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