CN107903027A - 一种耐火砖的制备方法 - Google Patents
一种耐火砖的制备方法 Download PDFInfo
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Abstract
本发明公开了一种耐火砖的制备方法,包括如下步骤:(1)复合填料制备、(2)原料称取、(3)原料混合、(4)加工成型。本发明对耐火砖的制备方法进行了特殊的改进处理,最终制得的耐火砖质轻、易加工成型,且具有良好的隔音、耐热特性,强度高、使用寿命长,极具推广使用价值。
Description
技术领域
本发明涉及一种砖的制备方法,具体涉及一种耐火砖的制备方法。
背景技术
随着人们生活水平的提高,尤其是在寒冷地区,人们对室内采暖的需求越来越大。越来越多的人会在自己家居住宅内建造壁炉等设备来为室内供暖。而此类建筑设备需要用到耐火砖材进行砌筑。目前市场上常见的耐火砖存在重量大、建筑使用不方便、隔音耐热效果不佳、强度等力学品质不好等问题。
发明内容
本发明的目的是针对现有的问题,提供了一种耐火砖的制备方法。
本发明是通过以下技术方案实现的:
一种耐火砖的制备方法,包括如下步骤:
(1)复合填料制备:
a.按对应重量份将3~5份椰油酰胺丙基氧化胺、4~7份月桂酰胺丙基氧化胺、40~45份无水乙醇、2~4份氨水、90~100份水共同放入到反应釜内,不断搅拌处理25~30min后得混合液A备用;
b.向操作a处理后的反应釜内加入混合液A总质量5~7倍的正硅酸乙酯,加热保持反应釜内的温度为30~35℃,不断搅拌处理10~15min后得混合液B备用;
c.向操作b处理后的反应釜内加入混合液B总质量10~15%的改性液,然后加热保持反应釜内的温度为43~48℃,超声处理1~2h后得混合液C备用;所述改性液由如下重量份的物质组成:30~35份无水乙醇、4~6份氨水、25~28份钛酸酯偶联剂、1~2份氯化钯、5~8份甲基丙烯酸乙酯、3~6份聚乙二醇、2~5份三聚磷酸钠、3~6份纳米碳管、2~5份纳米二氧化钛、150~160份水;
d.对操作c所得的混合液C进行离心过滤,然后用去离子水将滤渣冲洗至中性,最后将滤渣放入到煅烧炉内进行煅烧处理,完成后取出得复合填料备用;
(2)原料称取:
按对应重量份称取下列物质备用:20~25份硅酸盐水泥、30~35份陶土、3~5份氯化镁、3~5份氯化锌、10~13份玻璃纤维、6~10份凹凸棒土、4~7份麦饭石、3~5份云母粉、8~10份双飞粉、1~2份酚醛树脂、1~3份羧甲基纤维素钠、0.5~1份壬基酚聚氧乙烯醚、1~2份聚乙烯醇、10~15份步骤(1)制得的复合填料、40~45份水;
(3)原料混合:
将步骤(2)称取的所有原料成分共同放入到粉碎机内进行混合粉碎,然后再将其放入到高速搅拌机内进行搅拌处理,1~2h后得混合原料备用;
(4)加工成型:
将步骤(3)所得的混合原料放入到模具中制成半成品,然后将半成品放入到加热炉内加热成型,最后取出冷却至室温即得成品耐火砖。
进一步的,步骤(1)操作c中所述的超声处理的频率为60~65kHz。
进一步的,步骤(1)操作c中所述的纳米二氧化钛的颗粒直径不大于30nm。
进一步的,步骤(1)操作d中所述的离心过滤的离心转速为2000~2400转/分钟。
进一步的,步骤(1)操作d中所述的煅烧处理的温度为560~580℃。
进一步的,步骤(3)中所述的混合粉碎处理后颗粒的大小为200~300目。
进一步的,步骤(4)中所述的加热炉内加热的温度为1400~1450℃。
本发明提供了一种耐火砖的加工制备方法,对其加工工序进行了合理搭配,尤其是对其所用的原料成分进行了优选和配比,其中添加了一种复合填料成分,其是以正硅酸乙酯为硅源,无水乙醇、水为溶剂,氨水、钯盐为催化剂,钛酸酯偶联剂为改性剂,甲基丙烯酸乙酯、聚乙二醇、三聚磷酸钠为包膜剂,椰油酰胺丙基氧化胺、月桂酰胺丙基氧化胺为活性剂和模板,纳米碳管、纳米二氧化钛为成核改性颗粒,共同制成的多孔结构的二氧化硅材料,其内的孔径为纳米级别,孔洞多,比表面积大,消音、吸附能力强,力学性能高,有效改善了耐火砖的品质,添加的玻璃纤维、凹凸棒土、麦饭石、云母粉、双飞粉共同配合保证了耐火砖的耐温、耐火品质,添加的酚醛树脂、羧甲基纤维素钠、壬基酚聚氧乙烯醚、聚乙烯醇调和改善了各成分间的相容结合性,利于加工成型。
本发明相比现有技术具有以下优点:
本发明对耐火砖的制备方法进行了特殊的改进处理,最终制得的耐火砖质轻、易加工成型,且具有良好的隔音、耐热特性,强度高、使用寿命长,极具推广使用价值。
具体实施方式
实施例1
一种耐火砖的制备方法,包括如下步骤:
(1)复合填料制备:
a.按对应重量份将3份椰油酰胺丙基氧化胺、4份月桂酰胺丙基氧化胺、40份无水乙醇、2份氨水、90份水共同放入到反应釜内,不断搅拌处理25min后得混合液A备用;
b.向操作a处理后的反应釜内加入混合液A总质量5倍的正硅酸乙酯,加热保持反应釜内的温度为30℃,不断搅拌处理10min后得混合液B备用;
c.向操作b处理后的反应釜内加入混合液B总质量10%的改性液,然后加热保持反应釜内的温度为43℃,超声处理1h后得混合液C备用;所述改性液由如下重量份的物质组成:30份无水乙醇、4份氨水、25份钛酸酯偶联剂、1份氯化钯、5份甲基丙烯酸乙酯、3份聚乙二醇、2份三聚磷酸钠、3份纳米碳管、2份纳米二氧化钛、150份水;
d.对操作c所得的混合液C进行离心过滤,然后用去离子水将滤渣冲洗至中性,最后将滤渣放入到煅烧炉内进行煅烧处理,完成后取出得复合填料备用;
(2)原料称取:
按对应重量份称取下列物质备用:20份硅酸盐水泥、30份陶土、3份氯化镁、3份氯化锌、10份玻璃纤维、6份凹凸棒土、4份麦饭石、3份云母粉、8份双飞粉、1份酚醛树脂、1份羧甲基纤维素钠、0.5份壬基酚聚氧乙烯醚、1份聚乙烯醇、10份步骤(1)制得的复合填料、40份水;
(3)原料混合:
将步骤(2)称取的所有原料成分共同放入到粉碎机内进行混合粉碎,然后再将其放入到高速搅拌机内进行搅拌处理,1h后得混合原料备用;
(4)加工成型:
将步骤(3)所得的混合原料放入到模具中制成半成品,然后将半成品放入到加热炉内加热成型,最后取出冷却至室温即得成品耐火砖。
进一步的,步骤(1)操作c中所述的超声处理的频率为60kHz。
进一步的,步骤(1)操作c中所述的纳米二氧化钛的颗粒直径不大于30nm。
进一步的,步骤(1)操作d中所述的离心过滤的离心转速为2000转/分钟。
进一步的,步骤(1)操作d中所述的煅烧处理的温度为560℃。
进一步的,步骤(3)中所述的混合粉碎处理后颗粒的大小为200~300目。
进一步的,步骤(4)中所述的加热炉内加热的温度为1400℃。
实施例2
一种耐火砖的制备方法,包括如下步骤:
(1)复合填料制备:
a.按对应重量份将4份椰油酰胺丙基氧化胺、6份月桂酰胺丙基氧化胺、43份无水乙醇、3份氨水、95份水共同放入到反应釜内,不断搅拌处理28min后得混合液A备用;
b.向操作a处理后的反应釜内加入混合液A总质量6倍的正硅酸乙酯,加热保持反应釜内的温度为33℃,不断搅拌处理12min后得混合液B备用;
c.向操作b处理后的反应釜内加入混合液B总质量13%的改性液,然后加热保持反应釜内的温度为45℃,超声处理1.5h后得混合液C备用;所述改性液由如下重量份的物质组成:33份无水乙醇、5份氨水、27份钛酸酯偶联剂、1.5份氯化钯、7份甲基丙烯酸乙酯、5份聚乙二醇、4份三聚磷酸钠、5份纳米碳管、4份纳米二氧化钛、155份水;
d.对操作c所得的混合液C进行离心过滤,然后用去离子水将滤渣冲洗至中性,最后将滤渣放入到煅烧炉内进行煅烧处理,完成后取出得复合填料备用;
(2)原料称取:
按对应重量份称取下列物质备用:23份硅酸盐水泥、32份陶土、4份氯化镁、4份氯化锌、12份玻璃纤维、8份凹凸棒土、6份麦饭石、4份云母粉、9份双飞粉、1.5份酚醛树脂、2份羧甲基纤维素钠、0.8份壬基酚聚氧乙烯醚、1.5份聚乙烯醇、13份步骤(1)制得的复合填料、42份水;
(3)原料混合:
将步骤(2)称取的所有原料成分共同放入到粉碎机内进行混合粉碎,然后再将其放入到高速搅拌机内进行搅拌处理,1.5h后得混合原料备用;
(4)加工成型:
将步骤(3)所得的混合原料放入到模具中制成半成品,然后将半成品放入到加热炉内加热成型,最后取出冷却至室温即得成品耐火砖。
进一步的,步骤(1)操作c中所述的超声处理的频率为63kHz。
进一步的,步骤(1)操作c中所述的纳米二氧化钛的颗粒直径不大于30nm。
进一步的,步骤(1)操作d中所述的离心过滤的离心转速为2200转/分钟。
进一步的,步骤(1)操作d中所述的煅烧处理的温度为570℃。
进一步的,步骤(3)中所述的混合粉碎处理后颗粒的大小为200~300目。
进一步的,步骤(4)中所述的加热炉内加热的温度为1430℃。
实施例3
一种耐火砖的制备方法,包括如下步骤:
(1)复合填料制备:
a.按对应重量份将5份椰油酰胺丙基氧化胺、7份月桂酰胺丙基氧化胺、45份无水乙醇、4份氨水、100份水共同放入到反应釜内,不断搅拌处理30min后得混合液A备用;
b.向操作a处理后的反应釜内加入混合液A总质量7倍的正硅酸乙酯,加热保持反应釜内的温度为35℃,不断搅拌处理15min后得混合液B备用;
c.向操作b处理后的反应釜内加入混合液B总质量15%的改性液,然后加热保持反应釜内的温度为48℃,超声处理2h后得混合液C备用;所述改性液由如下重量份的物质组成:35份无水乙醇、6份氨水、28份钛酸酯偶联剂、2份氯化钯、8份甲基丙烯酸乙酯、6份聚乙二醇、5份三聚磷酸钠、6份纳米碳管、5份纳米二氧化钛、160份水;
d.对操作c所得的混合液C进行离心过滤,然后用去离子水将滤渣冲洗至中性,最后将滤渣放入到煅烧炉内进行煅烧处理,完成后取出得复合填料备用;
(2)原料称取:
按对应重量份称取下列物质备用:25份硅酸盐水泥、35份陶土、5份氯化镁、5份氯化锌、13份玻璃纤维、10份凹凸棒土、7份麦饭石、5份云母粉、10份双飞粉、2份酚醛树脂、3份羧甲基纤维素钠、1份壬基酚聚氧乙烯醚、2份聚乙烯醇、15份步骤(1)制得的复合填料、45份水;
(3)原料混合:
将步骤(2)称取的所有原料成分共同放入到粉碎机内进行混合粉碎,然后再将其放入到高速搅拌机内进行搅拌处理,2h后得混合原料备用;
(4)加工成型:
将步骤(3)所得的混合原料放入到模具中制成半成品,然后将半成品放入到加热炉内加热成型,最后取出冷却至室温即得成品耐火砖。
进一步的,步骤(1)操作c中所述的超声处理的频率为65kHz。
进一步的,步骤(1)操作c中所述的纳米二氧化钛的颗粒直径不大于30nm。
进一步的,步骤(1)操作d中所述的离心过滤的离心转速为2400转/分钟。
进一步的,步骤(1)操作d中所述的煅烧处理的温度为580℃。
进一步的,步骤(3)中所述的混合粉碎处理后颗粒的大小为200~300目。
进一步的,步骤(4)中所述的加热炉内加热的温度为1450℃。
对比实施例1
本对比实施例1与实施例2相比,用等质量份的市售二氧化硅取代复合填料成分,除此外的方法步骤均相同。
对比实施例2
本对比实施例2与实施例2相比,省去复合填料成分,除此外的方法步骤均相同。
对照组
现有常见的耐火砖的制备工艺。
为了对比本发明效果,对上述实施例2、对比实施例1、对比实施例2、对照组制得的耐火砖进行性能测试,具体对比数据如下表1所示:
表1
常温耐压强度(kN) | 抗压强度(MPa) | 吸音系数 | |
实施例2 | 142.5 | 4.12 | 0.78 |
对比实施例1 | 128.2 | 3.34 | 0.69 |
对比实施例2 | 118.4 | 3.20 | 0.65 |
对照组 | 112.6 | 3.03 | 0.62 |
由上表1可以看出,本发明制得的耐火砖的综合性能有明显的增强改善,具有很好的推广使用价值。
Claims (7)
1.一种耐火砖的制备方法,其特征在于,包括如下步骤:
(1)复合填料制备:
a.按对应重量份将3~5份椰油酰胺丙基氧化胺、4~7份月桂酰胺丙基氧化胺、40~45份无水乙醇、2~4份氨水、90~100份水共同放入到反应釜内,不断搅拌处理25~30min后得混合液A备用;
b.向操作a处理后的反应釜内加入混合液A总质量5~7倍的正硅酸乙酯,加热保持反应釜内的温度为30~35℃,不断搅拌处理10~15min后得混合液B备用;
c.向操作b处理后的反应釜内加入混合液B总质量10~15%的改性液,然后加热保持反应釜内的温度为43~48℃,超声处理1~2h后得混合液C备用;所述改性液由如下重量份的物质组成:30~35份无水乙醇、4~6份氨水、25~28份钛酸酯偶联剂、1~2份氯化钯、5~8份甲基丙烯酸乙酯、3~6份聚乙二醇、2~5份三聚磷酸钠、3~6份纳米碳管、2~5份纳米二氧化钛、150~160份水;
d.对操作c所得的混合液C进行离心过滤,然后用去离子水将滤渣冲洗至中性,最后将滤渣放入到煅烧炉内进行煅烧处理,完成后取出得复合填料备用;
(2)原料称取:
按对应重量份称取下列物质备用:20~25份硅酸盐水泥、30~35份陶土、3~5份氯化镁、3~5份氯化锌、10~13份玻璃纤维、6~10份凹凸棒土、4~7份麦饭石、3~5份云母粉、8~10份双飞粉、1~2份酚醛树脂、1~3份羧甲基纤维素钠、0.5~1份壬基酚聚氧乙烯醚、1~2份聚乙烯醇、10~15份步骤(1)制得的复合填料、40~45份水;
(3)原料混合:
将步骤(2)称取的所有原料成分共同放入到粉碎机内进行混合粉碎,然后再将其放入到高速搅拌机内进行搅拌处理,1~2h后得混合原料备用;
(4)加工成型:
将步骤(3)所得的混合原料放入到模具中制成半成品,然后将半成品放入到加热炉内加热成型,最后取出冷却至室温即得成品耐火砖。
2.根据权利要求1所述的一种耐火砖的制备方法,其特征在于,步骤(1)操作c中所述的超声处理的频率为60~65kHz。
3.根据权利要求1所述的一种耐火砖的制备方法,其特征在于,步骤(1)操作c中所述的纳米二氧化钛的颗粒直径不大于30nm。
4.根据权利要求1所述的一种耐火砖的制备方法,其特征在于,步骤(1)操作d中所述的离心过滤的离心转速为2000~2400转/分钟。
5.根据权利要求1所述的一种耐火砖的制备方法,其特征在于,步骤(1)操作d中所述的煅烧处理的温度为560~580℃。
6.根据权利要求1所述的一种耐火砖的制备方法,其特征在于,步骤(3)中所述的混合粉碎处理后颗粒的大小为200~300目。
7.根据权利要求1所述的一种耐火砖的制备方法,其特征在于,步骤(4)中所述的加热炉内加热的温度为1400~1450℃。
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