CN101597936A - 轻质气孔墙砖及其制备方法 - Google Patents
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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
- C04B28/30—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 magnesium cements or similar cements
- C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
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- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0004—Compounds chosen for the nature of their cations
- C04B2103/0006—Alkali metal or inorganic ammonium compounds
- C04B2103/0009—Inorganic ammonium compounds
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- C04B2103/44—Thickening, gelling or viscosity increasing agents
- C04B2103/445—Gelling agents
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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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
- 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
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- 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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Abstract
本发明一种轻质气孔墙砖及其制备方法,涉及一种建筑材料,是利用工业废渣为主要原料生产的一种轻质气孔墙砖,由胶凝剂、固体填料、改性剂和生泡稳定剂按一定比例配制而成,生产过程免烧、免蒸、模具成型,产品隔热防火,有很好的隔音效果,产品强度符合JC/T1062-2007中A15级的技术要求,其余所检指标符合JC/T1062-2007中B08级技术要求。
Description
技术领域:
本发明涉及一种建筑材料,具体地说,是利用工业废渣为主要原料生产的一种轻质气孔墙砖及其制备方法。
背景技术:
随着工业化的发展,三废的量也越来越多,三废的处理是环保的重要课题,其中许多无害无毒工业尾矿矿渣、炉渣、房屋拆迁的砖渣、水泥渣、煤矸石、粉煤灰等废渣的处理,也是环保的课题,建材需求量大、 若将废渣有效应用在建材上,将对废渣的处理是一大贡献。另外,城市化的发展,城市躁音和电磁辐射,也会影响人们健康,因此对建材方面常有多元化的要求,如要求墙砖有保温、隔热、防火、隔音和防电磁辐射等功能,为达到上述功能,也有人开始研究如有关防电磁辐射的发泡砖材如发明专利《改良的发泡砖材及其制作方法》申请号03100512.8就是其中之一,它是以多孔发泡铝合金砖模板,在其表面覆盖混合物薄层;本发明也是为适应建材多元化要求而发明的一种新型轻质气孔墙砖,与上述专利不同的是本发明完全采用非金属材料。
发明内容:
本发明的目的,是要利用工业废渣,在免烧、免蒸的条件下,生产一种能保温,隔热、防火、隔音的轻质气孔墙砖,其密度小,制作简单、成本低廉、强度达到或超过泡沫混凝土砌墙砖,符合墙砖Jc/T1062-2007标准。
为达到上述目的,本发明采用下述技术方案,本发明利用各种工业废渣粉末作固体填料,由胶凝剂、固体填料、改性剂和生泡稳定剂按一定比例配制,其中胶凝剂为氧化镁MgO和氯化镁MgCl2,固体填料包括砂、石粉或各种矿渣、无毒无害的炉渣、粉煤灰、烧后煤矸石、磷渣、红砖渣和珍珠岩等,还有植物灰、煤灰等,改性剂为磷酸一铵NH4H2PO4,生泡稳定剂为生泡剂过氧化氢H2O2和稳定剂N-乙酰苯胺N-乙酰乙酰基苯胺的混合物,轻质气孔墙砖每一立方米配料为:氧化镁MgO 200kg,固体填料200-350Kg,氯化镁MgCl2水溶液 27~30°bé200~250Kg,磷酸一铵NH4H2PO4 1∶1水溶液50~60Kg,生泡稳定剂6~14Kg,将各原料按比例配合,经混合搅拌后浇入模具内,快速发泡稳定成型,要求浆料平流性好,均匀。
原料中生泡稳定剂是由生泡剂过氧化氢水溶液 和稳定剂N-乙酰苯胺或N-乙酰乙酰基苯胺按下列重量比配合: 97.5~99%,N-乙酰苯胺1~2.5%。H2O2中如不加稳定剂,H2O2很快分解,即所谓发泡快,消泡也快,产品气孔少,达不到砖的质量要求。
原料中,胶凝剂是指MgO和氯化镁的水溶液,MgO纯度要求MgO 80%~85%以上,活性不低于60%,MgCl2溶解于水,浓度 波美计测定为27~30°Bé;
原料中固体填料可以是上述各废渣中的一种或数种的混合物,要求废渣粉碎在80~150目,根据固体填料的密度不同,密度小的每立方砖配料量趋于最低量200Kg,密度大的每立方砖配料量趋于最高量350Kg;
原料中磷酸一铵为改性剂,调配成1∶1水溶液,改性剂使砖块凝结时间加快,砖强度高,如果不用改性剂,只用纯氯化镁和氧化镁作胶凝剂,产品会出现难解决的返潮,返卤,泛霜,防水性差,产品质量低等缺陷。
本发明轻质气孔墙砖的制备方法,其工艺流程依次为下列步骤:①干料混合:将氧化镁,固体填料,粉碎到80~150目,混合;②在干料中加入氯化镁水溶液、磷酸一铵水溶液和生泡稳定剂水溶液,搅拌均匀,使料浆平流性好,均匀;③将料浆浇入模具内2~4小时凝结;④取模码堆;⑤起模码堆砖料用遮水料遮盖防雨,自然养护三天后可出厂,起模码堆的料砖尺寸根据模具而定,通常为80×60×20Cm或100×50×20Cm。
本发明的特点是:①固体填料主要是工业废渣,对废渣回收利用对环保做出有益贡献;②本发明产品质量轻,红砖约1.8T/M3,水泥砖2.6T/M3,而本发明产品,根据固体填料密度不同,为300Kg~700Kg/M3,可在水上漂浮;③生产过程免烧、免蒸、节能降耗、产品用模具生产成型,成型后可锯、可刨、可打孔,产品隔热、防火、无放射性毒物和污染。④本发明常温固化,自然养护,气孔直径1~8mm,发泡(体积膨胀)为原体积的2~6倍,气孔为不对通交错网体,具有很好的隔音隔热效果;⑤本发明工艺流程简单,成本低,产品质量好;⑥本发明产品经贵州省建筑材料行业产品质量监督检验站检验,该样品强度等级符合JC/T1062-2007中A1.5级的技术要求,其余所检指标符合JC/T1062-2007中B08级的技术要求。
具体实施方式:
实施例1:按生产1m3轻质气孔墙砖配料:MgO 200Kg;氯化镁MgCl2水溶液(27~30°Bé)200Kg;固体填料(煤渣)224Kg;磷酸一铵NH4H2PO4 1∶1水溶液50Kg;生泡稳定剂8Kg;
其中生泡稳定剂配料为98Kg,双氧水 配2Kg N-乙酰苯胺混匀后为生泡稳定剂;
其中氧化镁纯度80~85%以上,活性不低于60%,按上述原料配比称量,按下述工艺流程加工:
(1)干料混合:将氧化镁200Kg、煤渣224Kg,粉碎至80~150目,将干料混合搅匀。(2)在干料中加入氯化镁MgCl2水溶液(27~30°Bé)200Kg,磷酸一铵1∶1水溶液50Kg,生泡稳定剂8Kg,搅拌均匀,使浆料平流性好,均匀;(3)将搅拌均匀的料浆浇入模具内,固化2~4小时;(4)取模码堆;(5)砖块用塑料布或其它遮雨材料遮盖防雨,自然养护3天后出厂。将产品送贵州省建筑材料产品质量监督检测站检验,结果如检验编号9B042012-3。
实施例2、按1m3轻质气孔墙砖配料:MgO 200Kg;氯化镁MgCl2水溶液(27~30°Bé)200Kg;固体填料(河砂)330Kg;磷酸一铵NH4H2PO4 1∶1水溶液50Kg,生泡稳定剂8Kg;生泡稳定剂配料按实施例1、操作步骤:(1)干料混合:将MgO 200Kg、河砂粉330Kg粉碎至80~150目,将干料混合均匀,步骤(2)~(5)同实施例1
产品检验结果如检验编号9B042012-2。
实施例3、按1m3轻质气孔墙砖配料:MgO 200Kg;氯化镁MgCl2水溶液(27~30°Bé)200Kg;固体填料(山砂)311Kg;磷酸一铵NH4H2PO41∶1水溶液50Kg;生泡稳定剂8Kg;生泡稳定剂配料按实施例1、操作步骤:(1)干料混合:将MgO 200Kg、山砂粉311Kg粉碎至80~150目,将干料混合搅匀;步骤(2)~(5)同实施例1
产品检验结果如检验编号9B042012-1。
全部样品强度等级符合JC/T1062-2007中A1.5级技术要求,其余指标符合JC/T1062-2007中B08级的技术要求。附:贵州省建筑材料行业产品质量监督检验站检验报告,其中:检验编号:9B042012-1二份,每份1页;9B042012-2二份,每份1页;9B042012-3二份,每份1页,作实质审查参考资料。
Claims (10)
1.一种轻质气孔墙砖,其特征在于:气孔墙砖是由胶凝剂、固体填料、改性剂和生泡稳定剂按一定比例配制而成,其中胶凝剂为氧化镁和氯化镁,固体填料包括沙、石粉或各种矿渣,改性剂为磷酸一铵,生泡稳定剂为过氧化氢和N-乙酰苯胺。
2.根据权利要求1所述的一种轻质气孔墙砖,其特征在于:每一立方米气孔墙砖需各原料配方配比为:氧化镁200Kg、固体填料200~350Kg、氯化镁水溶液(27~30°Bé)200~250Kg、磷酸一铵1∶1水溶液50~60Kg和生泡稳定剂6~14Kg。
4.根据权利要求1或2或3所述的一种轻质气孔墙砖,其特征在于:稳定剂还包括N-乙酰乙酰基苯胺。
5.根据权利要求1或2或3所述的一种轻质气孔墙砖,其特征在于:固体填料还包括粉煤灰、煤渣、煤矸石、矿渣、磷矿渣、红砖渣、珍珠岩、还有各种植物的粉灰料。
6.根据权利要求5所述的一种轻质气孔墙砖,其特征在于:固体填料粒度为80~150目,固体填料可单独用,也可混合用。
7.根据权利要求1或2或3所述的一种轻质气孔墙砖,其特征在于:氧化镁纯度为80~85%,活性不低于60%。
8.根据权利要求1或2或3所述的一种轻质气孔墙砖,其特征在于:轻质气孔墙砖的强度等级符合JC/T1062-2007 A.3.5级技术要求,其余检验指标符合JC/T1062-2007中B07级技术要求。
9.根据权利要求1所述的一种轻质气孔墙砖的的制备方法,其特征在于:墙砖的生产工艺流程依次为:①干料混合;将氧化镁,固体填料、粉碎至80~150目后混合;②在干料中加入氯化镁水溶液磷酸一铵1∶1水溶液和生泡稳定剂水溶液,搅拌均匀成料浆;③将料浆浇入模具内2~4小时凝结;④起模码堆;⑤起模码堆砖料用遮雨料遮盖防雨,自然养护三天后出厂。
10.根据权利要求9所述的一种轻质气孔墙砖的制备方法,其特征在于:起模码堆的料砖尺寸通常为80×60×20Cm或100×50×20Cm。
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102344277A (zh) * | 2010-08-05 | 2012-02-08 | 卞智铨 | 磷酸镁水泥发泡轻质墙体砌块 |
CN101786853B (zh) * | 2010-02-02 | 2012-07-11 | 贵州晶烽科技有限公司 | 轻质环保节能隔热隔音建筑材料 |
CN106206050A (zh) * | 2016-06-29 | 2016-12-07 | 南京邮电大学 | 一种激光还原制备多孔石墨烯的方法 |
CN108191382A (zh) * | 2018-02-11 | 2018-06-22 | 辽宁科技大学 | 一种提钛尾渣轻质建筑隔墙条板及其生产方法 |
CN114455921A (zh) * | 2022-03-16 | 2022-05-10 | 天工俐德科技发展有限公司 | 一种生物质多孔混凝土吸声材料及其制备方法 |
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2009
- 2009-07-06 CN CNA2009101026578A patent/CN101597936A/zh active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101786853B (zh) * | 2010-02-02 | 2012-07-11 | 贵州晶烽科技有限公司 | 轻质环保节能隔热隔音建筑材料 |
CN102344277A (zh) * | 2010-08-05 | 2012-02-08 | 卞智铨 | 磷酸镁水泥发泡轻质墙体砌块 |
CN106206050A (zh) * | 2016-06-29 | 2016-12-07 | 南京邮电大学 | 一种激光还原制备多孔石墨烯的方法 |
CN108191382A (zh) * | 2018-02-11 | 2018-06-22 | 辽宁科技大学 | 一种提钛尾渣轻质建筑隔墙条板及其生产方法 |
CN108191382B (zh) * | 2018-02-11 | 2020-09-22 | 辽宁科技大学 | 一种提钛尾渣轻质建筑隔墙条板及其生产方法 |
CN114455921A (zh) * | 2022-03-16 | 2022-05-10 | 天工俐德科技发展有限公司 | 一种生物质多孔混凝土吸声材料及其制备方法 |
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