CN101131003A - 一种利用硼泥制备轻质多孔保温砖的方法 - Google Patents
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- 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
- C04B28/14—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 calcium sulfate cements
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- 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
- C04B28/10—Lime cements or magnesium oxide cements
- C04B28/105—Magnesium oxide or magnesium carbonate cements
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
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Abstract
一种利用硼泥制备轻质多孔保温砖的方法,属于功能无机材料技术领域。本发明的特征是将定量硼泥与少量引发剂、激发剂混合、研磨;再加入水、固化剂搅拌成浆料;然后通过化学反应自制泡沫,并将定量泡沫打入到浆料中制成泡沫浆料;将泡沫浆料放入模具中固化、养护一定时间后得到轻质多孔保温砖。本发明的效果和益处是硼泥利用率高,在多孔砖中含量可达70%以上,常温发泡,反应固化,制备的保温砖质轻、多孔、隔热、保温,可广泛应用于非承重墙体和屋顶保温。本发明整个过程没有废弃物排放,属于环境友好性技术。
Description
技术领域
本发明是一种利用硼泥生产轻质多孔保温砖的方法,属于无机材料技术领域。
背景技术
硼泥是硼化工产业的主要垃圾,在硼矿或硼镁矿提取硼砂的过程中产生。每年有数百万吨硼泥排放,不但占用大量土地,而且严重污染环境。硼泥的主要成分为氧化镁、氧化硅、氧化钙、氧化铁和含硼不溶物等。现有的处理方法是将其堆放在一定区域限制排放,个别工厂将其与其它成分混合制备成烧结砖,但用量不多。
发明内容
本发明的目的是提供一种以硼泥为主要原料制备轻质多孔保温砖的方法,制备轻质多孔保温砖的技术,将硼泥与少量添加剂混合制备成具有保温功能的多孔材料,从而有效利用硼泥,绿化、保护环境,产品广泛用于非承重墙体或屋顶的保温。
本发明的技术方案是,首先将定量硼泥与少量引发剂、激发剂混合、研磨;再加入水、固化剂搅拌成浆料;然后通过化学反应自制泡沫,并将定量泡沫打入到浆料中制成泡沫浆料;将泡沫浆料放入模具中固化、养护一定时间后得到轻质多孔保温砖。
本发明的效果和益处是,硼泥利用率高,在多孔砖中含量可达70%以上;常温发泡,化学反应固化,制备的保温砖质轻、多孔、隔热、保温,可广泛应用于非承重墙体和屋顶的保温,这种方法制备的保温砖不仅成本低,而且保护环境,变废为宝。本发明整个过程没有废弃物排放,属于环境友好性技术。
具体实施方式
以下结合技术方案详细叙述本发明的具体实施方式和步骤。
本发明提供一种以硼泥为主要原料生产轻质多孔保温砖的方法,其特征在于浆料及泡沫浆料中硼泥、引发剂、固化剂、发泡剂、催化剂的种类及配方比例如下:
浆料由硼泥、引发剂、激发剂、水和固化剂构成,硼泥为硼矿或硼镁矿提取硼砂或硼酸后的固体废弃物;引发剂为碳酸钙、氧化钙、氯化钙、氯化钠、氢氧化钾,选取其中的一种或两种以上;激发剂为氧化钙、氢氧化钠、氢氧化钾、氯化钾,选取其中的一种或两种以上;固化剂为生石膏、氧化镁、氧化钙、氯化钙,选取其中一种或两种以上;泡沫是由发泡剂和催化剂在常温下反应制备而成,发泡剂为松香、苯酚、二苯酚、苯、选择其中的一种或两种以上,催化剂为硫酸、硝酸、盐酸、乙酸、选择其中的一种或两种以上;泡沫浆料是将泡沫打入浆料中制备成的;浆料中硼泥、引发剂、激发剂、水、固化剂的重量比例为100∶1~40∶0~35∶5~50∶0~30;泡沫中发泡剂与催化剂的重量比例为100∶10~60;泡沫浆料中浆料与泡沫的重量比例为100∶1~20;制备技术的工艺流程如下:
步骤1:将硼泥与引发剂、激发剂按比例混合,球磨5~10min后加入固化剂、水,再搅拌成浆料;
步骤2:按照比例在反应器中加入发泡剂和催化剂,在常温下反应制取具有一定弹性的泡沫;
步骤3:在料浆中打入制备的泡沫,后搅拌均匀,使成为具有均匀孔的泡沫浆料;
步骤4:把泡沫浆料放入模具中,固化,在阴凉处养护1~14天,得到轻质多孔保温砖。
实施例
将100g硼泥与1~30g氧化钙、0~25g的氢氧化钠混合后球磨1~8分钟,然后加入1~40g水、0~20g生石膏搅拌均匀制备浆料;取0~40g松香、0~40g苯酚、1~10g浓硫酸在常温下反应制备泡沫,按浆料与泡沫的重量比为100∶1~10混合,搅拌均匀后得到泡沫浆料,把泡沫浆料放入模具中固化,在阴凉处养护1-7天后得到产品,产品毛坯发泡效果良好,无开裂,为轻质保温砖。产品性能:表观密度:460±30Kg/m3;抗压强度:780±60KPa;干燥收缩率:0.79±0.05mm/m;抗冻性:-40~40℃;导热系数0.13±0.04W/(m.K)。
Claims (1)
1.一种利用硼泥制备轻质多孔保温砖的方法,其特征在于浆料及泡沫浆料中硼泥、引发剂、固化剂、发泡剂、催化剂的种类及配方比例如下:
浆料由硼泥、引发剂、激发剂、水和固化剂构成,硼泥为硼矿或硼镁矿提取硼砂或硼酸后的固体废弃物;引发剂为碳酸钙、氧化钙、氯化钙、氯化钠、氢氧化钾,选取其中的一种或两种以上;激发剂为氧化钙、氢氧化钠、氢氧化钾、氯化钾,选取其中的一种或两种以上;固化剂为生石膏、氧化镁、氧化钙、氯化钙,选取其中一种或两种以上;泡沫是由发泡剂和催化剂在常温下反应制备而成,发泡剂为松香、苯酚、二苯酚、苯、选择其中的一种或两种以上,催化剂为硫酸、硝酸、盐酸、乙酸、选择其中的一种或两种以上;泡沫浆料是将泡沫打入浆料中制备成的;浆料中硼泥、引发剂、激发剂、水、固化剂的重量比例为100∶1~40∶0~35∶5~50∶0~30;泡沫中发泡剂与催化剂的重量比例为100∶10~60;泡沫浆料中浆料与泡沫的重量比例为100∶1~20;制备技术的工艺流程如下:
步骤1:将硼泥与引发剂、激发剂按比例混合,球磨5~10min后加入固化剂、水,再搅拌成浆料;
步骤2:按照比例在反应器中加入发泡剂和催化剂,在常温下反应制取具有一定弹性的泡沫;
步骤3:在料浆中打入制备的泡沫,后搅拌均匀,使成为具有均匀孔的泡沫浆料;
步骤4:把泡沫浆料放入模具中,固化,在阴凉处养护1~14天,得到轻质多孔保温砖。
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104446598A (zh) * | 2014-06-30 | 2015-03-25 | 中国地质大学(北京) | 一种基于硼泥的阻燃防火保温材料及其制备方法 |
CN109095808A (zh) * | 2018-08-15 | 2018-12-28 | 辽宁大学 | 用于废弃硼泥再利用的增塑糊及其制备方法和应用 |
CN109111599A (zh) * | 2018-07-07 | 2019-01-01 | 大连地拓环境科技有限公司 | 一种pvc填料活性硼泥制备方法 |
CN109279833A (zh) * | 2018-08-28 | 2019-01-29 | 武汉金发科技有限公司 | 一种硼泥碳化残渣/聚苯乙烯发泡保温板及一种发泡保温板的制备方法 |
CN113307562A (zh) * | 2021-06-15 | 2021-08-27 | 辽宁大学 | 基于硼泥的保温砖及其制备方法 |
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CN1736938A (zh) * | 2005-07-19 | 2006-02-22 | 周智民 | 砼承重保温砖及其制造方法 |
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