CN106800418A - 含有稻壳的轻质耐火砖及其制备工艺 - Google Patents
含有稻壳的轻质耐火砖及其制备工艺 Download PDFInfo
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Abstract
本发明涉及耐火材料技术领域,具体涉及含有稻壳的轻质耐火砖,耐火砖由如下重量份数的原料制成:稻壳10‑14份、普通硅酸盐水泥25‑30份、煅烧陶土30‑34份、氯化镁8‑10份、玻化纤维8‑10份、歧化松香酸钾4‑6份、腰果壳油摩擦粉4‑6份、石英砂16‑22份、海泡石10‑18份、膨胀珍珠岩10‑18份、碳化钛6‑8份、轻质碳酸钙6.5‑9.5份、煤矸石10‑14份、高岭土8‑12份、粘结剂4‑6份、助剂4‑6份、清水28‑34份。本发明耐火砖比同样规格的普通耐火砖质量轻30%‑35%,其导热系数比普通耐火砖低40%,而且本发明耐火砖的隔音效果非常好,耐火砖抗热震稳定性优越,热胀冷缩率极低,其硬度更强,并且耐火砖使用寿命更长。
Description
技术领域
本发明涉及耐火材料技术领域,具体涉及一种含有稻壳的轻质耐火砖及其制备工艺。
背景技术
随着人们生活水平的提高,人们对室内采暖的需求越来越大。很多高端人群都会在自己的住宅选用炉子来为室内供暖。建造炉子不可避免的会选用耐火砖砌筑,而目前的耐火砖重量较重使用起来很不方便,而且目前的耐火砖隔音效果较差。
发明内容
本发明所要解决的技术问题在于提供一种含有稻壳的轻质耐火砖及其制备工艺。
本发明所要解决的技术问题采用以下技术方案来实现:
含有稻壳的轻质耐火砖,耐火砖由如下重量份数的原料制成:
稻壳10-14份、普通硅酸盐水泥25-30份、煅烧陶土30-34份、氯化镁8-10份、玻化纤维8-10份、歧化松香酸钾4-6份、腰果壳油摩擦粉4-6份、石英砂16-22份、海泡石10-18份、膨胀珍珠岩10-18份、碳化钛6-8份、轻质碳酸钙6.5-9.5份、煤矸石10-14份、高岭土8-12份、粘结剂4-6份、助剂4-6份、清水28-34份。
所述粘结剂由如下重量份数的原料制成:丙烯酸乳液5-8份、马来酸酐1-2份、羟丙基甲基纤维素0.5-0.8份、松香0.5-0.8份、七氧化四铽0.2-0.6份、甘油醛-3-磷酸0.2-0.6份;其制备方法是:将丙烯酸乳液加热至80-120℃,然后将剩余各原料混入丙烯酸乳液中,搅拌30分钟,然后冷却即得粘结剂。
所述助剂由如下重量份数的原料制成:脂肪醇聚氧乙烯醚硫酸钠1-2份、邻苯二甲酸二丁酯2-3.5份、聚乙烯醇1-1.6份、聚丙烯酰胺1-1.6份;其制备方法是:将各原料混合并在2000转/分钟的搅拌机内搅拌20分钟即得助剂。
含有稻壳的轻质耐火砖的制备工艺,包括以下步骤:
(1)将稻壳磨成50目-100目粉后放入容器内,并向容器内通入体积占比分别为35%的氧气、65%的氮气,通入气体容器内压力维持在0.115-0.122MPa,然后对容器密封,接着对容器加热至400-500℃,并持续加热1-2小时,然后开启容器取出稻壳粉;
(2)将剩余的除了稻壳、粘结剂、助剂、清水的各原料磨碎成50目-100目粉料,然后将粉料与稻壳粉、粘结剂、清水混合均匀得混合料,将混合料加热至50℃后向混合料内混入助剂,然后继续混合均匀得预制料;
(3)将预制料在制砖模具中制砖,再将砖在1300-1400℃下烧结成型,冷却后即得耐火砖。
步骤(3)烧结结束后待砖块冷却至800-900℃时将砖块接近炉膛的一面涂抹上浓度为20%的氢氧化钠溶液,待温度冷却至300-400℃时将砖块接近炉膛的一面用500-600℃氮气喷吹10分钟,然后将砖块冷却。
本发明的有益效果是:本发明耐火砖比同样规格的普通耐火砖质量轻30%-35%,其导热系数比普通耐火砖低40%,而且本发明耐火砖的隔音效果非常好,耐火砖抗热震稳定性优越,热胀冷缩率极低,其硬度更强,并且耐火砖使用寿命更长,砖面经过氢氧化钠和氮气处理后其硬度非常高、更耐火烧。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1
含有稻壳的轻质耐火砖,耐火砖由如下重量份(kg)数的原料制成:
稻壳12份、普通硅酸盐水泥28份、煅烧陶土32份、氯化镁9份、玻化纤维9份、歧化松香酸钾5份、腰果壳油摩擦粉5份、石英砂19份、海泡石14份、膨胀珍珠岩14份、碳化钛7份、轻质碳酸钙8份、煤矸石12份、高岭土10份、粘结剂5份、助剂5份、清水31份。
所述粘结剂由如下重量份数的原料制成:丙烯酸乳液6份、马来酸酐1.5份、羟丙基甲基纤维素0.6份、松香0.6份、七氧化四铽0.4份、甘油醛-3-磷酸0.4份;其制备方法是:将丙烯酸乳液加热至80-120℃,然后将剩余各原料混入丙烯酸乳液中,搅拌30分钟,然后冷却即得粘结剂。
所述助剂由如下重量份数的原料制成:脂肪醇聚氧乙烯醚硫酸钠1.5份、邻苯二甲酸二丁酯3份、聚乙烯醇1.3份、聚丙烯酰胺1.3份;其制备方法是:将各原料混合并在2000转/分钟的搅拌机内搅拌20分钟即得助剂。
含有稻壳的轻质耐火砖的制备工艺,包括以下步骤:
(1)将稻壳磨成50目-100目粉后放入容器内,并向容器内通入体积占比分别为35%的氧气、65%的氮气,通入气体容器内压力维持在0.115-0.122MPa,然后对容器密封,接着对容器加热至400-500℃,并持续加热1-2小时,然后开启容器取出稻壳粉;
(2)将剩余的除了稻壳、粘结剂、助剂、清水的各原料磨碎成50目-100目粉料,然后将粉料与稻壳粉、粘结剂、清水混合均匀得混合料,将混合料加热至50℃后向混合料内混入助剂,然后继续混合均匀得预制料;
(3)将预制料在制砖模具中制砖,再将砖在1300-1400℃下烧结成型,烧结结束后待砖块冷却至800-900℃时将砖块接近炉膛的一面涂抹上浓度为20%的氢氧化钠溶液,待温度冷却至300-400℃时将砖块接近炉膛的一面用500-600℃氮气喷吹10分钟,然后将砖块冷却后即得耐火砖。
实施例2
含有稻壳的轻质耐火砖,耐火砖由如下重量份(kg)数的原料制成:
稻壳10份、普通硅酸盐水泥25份、煅烧陶土30份、氯化镁8份、玻化纤维8份、歧化松香酸钾4份、腰果壳油摩擦粉4份、石英砂16份、海泡石10份、膨胀珍珠岩10份、碳化钛6份、轻质碳酸钙6.5份、煤矸石10份、高岭土8份、粘结剂4份、助剂4份、清水28份。
所述粘结剂由如下重量份数的原料制成:丙烯酸乳液5份、马来酸酐1份、羟丙基甲基纤维素0.5份、松香0.5份、七氧化四铽0.2份、甘油醛-3-磷酸0.2份;其制备方法是:将丙烯酸乳液加热至80-120℃,然后将剩余各原料混入丙烯酸乳液中,搅拌30分钟,然后冷却即得粘结剂。
所述助剂由如下重量份数的原料制成:脂肪醇聚氧乙烯醚硫酸钠1份、邻苯二甲酸二丁酯2份、聚乙烯醇1份、聚丙烯酰胺1份;其制备方法是:将各原料混合并在2000转/分钟的搅拌机内搅拌20分钟即得助剂。
含有稻壳的轻质耐火砖的制备工艺,包括以下步骤:
(1)将稻壳磨成50目-100目粉后放入容器内,并向容器内通入体积占比分别为35%的氧气、65%的氮气,通入气体容器内压力维持在0.115-0.122MPa,然后对容器密封,接着对容器加热至400-500℃,并持续加热1-2小时,然后开启容器取出稻壳粉;
(2)将剩余的除了稻壳、粘结剂、助剂、清水的各原料磨碎成50目-100目粉料,然后将粉料与稻壳粉、粘结剂、清水混合均匀得混合料,将混合料加热至50℃后向混合料内混入助剂,然后继续混合均匀得预制料;
(3)将预制料在制砖模具中制砖,再将砖在1300-1400℃下烧结成型,烧结结束后待砖块冷却至800-900℃时将砖块接近炉膛的一面涂抹上浓度为20%的氢氧化钠溶液,待温度冷却至300-400℃时将砖块接近炉膛的一面用500-600℃氮气喷吹10分钟,然后将砖块冷却后即得耐火砖。
实施例3
含有稻壳的轻质耐火砖,耐火砖由如下重量份(kg)数的原料制成:
稻壳14份、普通硅酸盐水泥30份、煅烧陶土34份、氯化镁10份、玻化纤维10份、歧化松香酸钾6份、腰果壳油摩擦粉6份、石英砂22份、海泡石18份、膨胀珍珠岩18份、碳化钛8份、轻质碳酸钙9.5份、煤矸石14份、高岭土12份、粘结剂6份、助剂6份、清水34份。
所述粘结剂由如下重量份数的原料制成:丙烯酸乳液8份、马来酸酐2份、羟丙基甲基纤维素0.8份、松香0.8份、七氧化四铽0.6份、甘油醛-3-磷酸0.6份;其制备方法是:将丙烯酸乳液加热至80-120℃,然后将剩余各原料混入丙烯酸乳液中,搅拌30分钟,然后冷却即得粘结剂。
所述助剂由如下重量份数的原料制成:脂肪醇聚氧乙烯醚硫酸钠2份、邻苯二甲酸二丁酯3.5份、聚乙烯醇1.6份、聚丙烯酰胺1.6份;其制备方法是:将各原料混合并在2000转/分钟的搅拌机内搅拌20分钟即得助剂。
含有稻壳的轻质耐火砖的制备工艺,包括以下步骤:
(1)将稻壳磨成50目-100目粉后放入容器内,并向容器内通入体积占比分别为35%的氧气、65%的氮气,通入气体容器内压力维持在0.115-0.122MPa,然后对容器密封,接着对容器加热至400-500℃,并持续加热1-2小时,然后开启容器取出稻壳粉;
(2)将剩余的除了稻壳、粘结剂、助剂、清水的各原料磨碎成50目-100目粉料,然后将粉料与稻壳粉、粘结剂、清水混合均匀得混合料,将混合料加热至50℃后向混合料内混入助剂,然后继续混合均匀得预制料;
(3)将预制料在制砖模具中制砖,再将砖在1300-1400℃下烧结成型,烧结结束后待砖块冷却至800-900℃时将砖块接近炉膛的一面涂抹上浓度为20%的氢氧化钠溶液,待温度冷却至300-400℃时将砖块接近炉膛的一面用500-600℃氮气喷吹10分钟,然后将砖块冷却后即得耐火砖。
试验
本发明实施例1、2、3制得的耐火砖与普通耐火砖性能对比如下表:
由上表可见,本发明耐火砖使用效果非常好。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (5)
1.含有稻壳的轻质耐火砖,其特征在于,耐火砖由如下重量份数的原料制成:
稻壳10-14份、普通硅酸盐水泥25-30份、煅烧陶土30-34份、氯化镁8-10份、玻化纤维8-10份、歧化松香酸钾4-6份、腰果壳油摩擦粉4-6份、石英砂16-22份、海泡石10-18份、膨胀珍珠岩10-18份、碳化钛6-8份、轻质碳酸钙6.5-9.5份、煤矸石10-14份、高岭土8-12份、粘结剂4-6份、助剂4-6份、清水28-34份。
2.如权利要求1所述的含有稻壳的轻质耐火砖,其特征在于,所述粘结剂由如下重量份数的原料制成:丙烯酸乳液5-8份、马来酸酐1-2份、羟丙基甲基纤维素0.5-0.8份、松香0.5-0.8份、七氧化四铽0.2-0.6份、甘油醛-3-磷酸0.2-0.6份;其制备方法是:将丙烯酸乳液加热至80-120℃,然后将剩余各原料混入丙烯酸乳液中,搅拌30分钟,然后冷却即得粘结剂。
3.如权利要求1所述的含有稻壳的轻质耐火砖,其特征在于,所述助剂由如下重量份数的原料制成:脂肪醇聚氧乙烯醚硫酸钠1-2份、邻苯二甲酸二丁酯2-3.5份、聚乙烯醇1-1.6份、聚丙烯酰胺1-1.6份;其制备方法是:将各原料混合并在2000转/分钟的搅拌机内搅拌20分钟即得助剂。
4.含有稻壳的轻质耐火砖的制备工艺,其特征在于,包括以下步骤:
(1)将稻壳磨成50目-100目粉后放入容器内,并向容器内通入体积占比分别为35%的氧气、65%的氮气,通入气体容器内压力维持在0.115-0.122MPa,然后对容器密封,接着对容器加热至400-500℃,并持续加热1-2小时,然后开启容器取出稻壳粉;
(2)将剩余的除了稻壳、粘结剂、助剂、清水的各原料磨碎成50目-100目粉料,然后将粉料与稻壳粉、粘结剂、清水混合均匀得混合料,将混合料加热至50℃后向混合料内混入助剂,然后继续混合均匀得预制料;
(3)将预制料在制砖模具中制砖,再将砖在1300-1400℃下烧结成型,冷却后即得耐火砖。
5.如权利要求4所述的含有稻壳的轻质耐火砖的制备方法,其特征在于,步骤(3)烧结结束后待砖块冷却至800-900℃时将砖块接近炉膛的一面涂抹上浓度为20%的氢氧化钠溶液,待温度冷却至300-400℃时将砖块接近炉膛的一面用500-600℃氮气喷吹10分钟,然后将砖块冷却。
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CN112174689A (zh) * | 2020-09-30 | 2021-01-05 | 上海市园林工程有限公司 | 一种河道淤泥的资源化利用方法 |
CN114455957A (zh) * | 2022-02-18 | 2022-05-10 | 中冶武汉冶金建筑研究院有限公司 | 一种新型碳素捣打料 |
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