CN110698172A - 一种阻燃耐火砖的制备方法 - Google Patents

一种阻燃耐火砖的制备方法 Download PDF

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CN110698172A
CN110698172A CN201911154294.2A CN201911154294A CN110698172A CN 110698172 A CN110698172 A CN 110698172A CN 201911154294 A CN201911154294 A CN 201911154294A CN 110698172 A CN110698172 A CN 110698172A
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Abstract

本发明公开了一种阻燃耐火砖的制备方法，包括称量组分，搅拌，球磨，成型，烧结，保温冷却。本发明一种阻燃耐火砖的制备方法简单清晰，可操作性强，通过对各组分搅拌球磨、成型烧结最终制得阻燃耐火砖，各组分均匀稳定，其中合成树脂与三氧化二硼起到了良好的阻燃性能，具有广泛的应用价值。

Description

一种阻燃耐火砖的制备方法
技术领域
本发明属于耐火材料技术领域，具体涉及一种阻燃耐火砖的制备方法。
背景技术
现有耐火砖虽能承受较高温度，但由于其不具备阻燃性，所以导致耐火砖的使用寿命较短，对于隔火效果也不理想。
发明内容
本发明的目的是提供一种阻燃耐火砖的制备方法，实现了耐火砖的阻燃效果。
本发明所采用的技术方案是，一种阻燃耐火砖的制备方法，具体按照以下步骤实施：
步骤1、按照质量比称量以下组分备用，包括黏土30％-45％、刚玉粉15％-20％、合成树脂12％-18％、三氧化二硼5％-10％、氧化硅微粉5％-8％、氧化铬微粉2％-6％、红柱石微粉5％-8％、增塑剂0.5％-1％、水10％-15％、粘合剂2％-4％，上述各组分的质量百分比之和为100％；
步骤2、将黏土、刚玉粉、三氧化二硼、氧化硅微粉、氧化铬微粉、红柱石微粉加入搅拌机中搅拌均匀，得到初级混合物；
步骤3、将初级混合物与合成树脂、增塑剂、水、粘合剂一起加入到湿式球磨机中进行球磨，得到中级混合物；
步骤4、将中级混合物放入成型模局中压制成型，得到成型砖；
步骤5、将成型砖进行烧结处理，保温后自然冷却，阻燃耐火砖制备完成。
本发明的特点还在于，
搅拌机转速为1200-2000r/min。
球磨机的转速为1600-2000r/min，球磨时间为30-40min。
烧结温度为1800-2400℃，烧结时间为3-5h。
保温时间为2.5-4h。
本发明的有益效果是，本发明一种阻燃耐火砖的制备方法简单清晰，可操作性强，通过对各组分搅拌球磨、成型烧结最终制得阻燃耐火砖，各组分均匀稳定，其中合成树脂与三氧化二硼起到了良好的阻燃性能，具有广泛的应用价值。
具体实施方式
下面结合具体实施方式对本发明进行详细说明。
本发明一种阻燃耐火砖的制备方法，具体按照以下步骤实施：
步骤1、按照质量比称量以下组分备用，包括黏土30％-45％、刚玉粉15％-20％、合成树脂12％-18％、三氧化二硼5％-10％、氧化硅微粉5％-8％、氧化铬微粉2％-6％、红柱石微粉5％-8％、增塑剂0.5％-1％、水10％-15％、粘合剂2％-4％，上述各组分的质量百分比之和为100％；
步骤2、将黏土、刚玉粉、三氧化二硼、氧化硅微粉、氧化铬微粉、红柱石微粉加入转速为1200-2000r/min的搅拌机中搅拌均匀，得到初级混合物；
步骤3、将初级混合物与合成树脂、增塑剂、水、粘合剂一起加入到转速为1600-2000r/min的湿式球磨机中进行球磨，球磨时间为30-40min，得到中级混合物；
步骤4、将中级混合物放入成型模局中压制成型，得到成型砖；
步骤5、将成型砖进行烧结处理，烧结温度为1800-2400℃，烧结时间为3-5h，保温2.5-4h后自然冷却，阻燃耐火砖制备完成。
实施例1
本实施例提供一种阻燃耐火砖的制备方法，具体按照以下步骤实施：
步骤1、按照质量比称量以下组分备用，包括黏土32％、刚玉粉15％、合成树脂12％、三氧化二硼5％、氧化硅微粉5％、氧化铬微粉6％、红柱石微粉5％、增塑剂1％、水15％、粘合剂4％；
步骤2、将黏土、刚玉粉、三氧化二硼、氧化硅微粉、氧化铬微粉、红柱石微粉加入转速为2000r/min的搅拌机中搅拌均匀，得到初级混合物；
步骤3、将初级混合物与合成树脂、增塑剂、水、粘合剂一起加入到转速为2000r/min的湿式球磨机中进行球磨，球磨时间为40min，得到中级混合物；
步骤4、将中级混合物放入成型模局中压制成型，得到成型砖；
步骤5、将成型砖进行烧结处理，烧结温度为2400℃，烧结时间为5h，保温2.5h后自然冷却，阻燃耐火砖制备完成。
实施例2
本实施例提供一种阻燃耐火砖的制备方法，具体按照以下步骤实施：
步骤1、按照质量比称量以下组分备用，包括黏土30％、刚玉粉15％、合成树脂17％、三氧化二硼10％、氧化硅微粉5％、氧化铬微粉2％、红柱石微粉8％、增塑剂1％、水10％、粘合剂2％；
步骤2、将黏土、刚玉粉、三氧化二硼、氧化硅微粉、氧化铬微粉、红柱石微粉加入转速为1200r/min的搅拌机中搅拌均匀，得到初级混合物；
步骤3、将初级混合物与合成树脂、增塑剂、水、粘合剂一起加入到转速为1600r/min的湿式球磨机中进行球磨，球磨时间为30min，得到中级混合物；
步骤4、将中级混合物放入成型模局中压制成型，得到成型砖；
步骤5、将成型砖进行烧结处理，烧结温度为1800℃，烧结时间为5h，保温4h后自然冷却，阻燃耐火砖制备完成。
实施例3
本实施例提供一种阻燃耐火砖的制备方法，具体按照以下步骤实施：
步骤1、按照质量比称量以下组分备用，包括黏土35％、刚玉粉16％、合成树脂13％、三氧化二硼6％、氧化硅微粉6％、氧化铬微粉3％、红柱石微粉6.4％、增塑剂0.6％、水12％、粘合剂2％，上述各组分的质量百分比之和为100％；
步骤2、将黏土、刚玉粉、三氧化二硼、氧化硅微粉、氧化铬微粉、红柱石微粉加入转速为1200-2000r/min的搅拌机中搅拌均匀，得到初级混合物；
步骤3、将初级混合物与合成树脂、增塑剂、水、粘合剂一起加入到转速为1600-2000r/min的湿式球磨机中进行球磨，球磨时间为30-40min，得到中级混合物；
步骤4、将中级混合物放入成型模局中压制成型，得到成型砖；
步骤5、将成型砖进行烧结处理，烧结温度为1800-2400℃，烧结时间为3-5h，保温2.5-4h后自然冷却，阻燃耐火砖制备完成。

Claims (5)

1.一种阻燃耐火砖的制备方法，其特征在于，具体按照以下步骤实施：
步骤1、按照质量比称量以下组分备用，包括黏土30％-45％、刚玉粉15％-20％、合成树脂12％-18％、三氧化二硼5％-10％、氧化硅微粉5％-8％、氧化铬微粉2％-6％、红柱石微粉5％-8％、增塑剂0.5％-1％、水10％-15％、粘合剂2％-4％，上述各组分的质量百分比之和为100％；
步骤2、将黏土、刚玉粉、三氧化二硼、氧化硅微粉、氧化铬微粉、红柱石微粉加入搅拌机中搅拌均匀，得到初级混合物；
步骤3、将初级混合物与合成树脂、增塑剂、水、粘合剂一起加入到湿式球磨机中进行球磨，得到中级混合物；
步骤4、将中级混合物放入成型模局中压制成型，得到成型砖；
步骤5、将成型砖进行烧结处理，保温后自然冷却，阻燃耐火砖制备完成。
2.根据权利要求1所述的一种阻燃耐火砖的制备方法，其特征在于，所述搅拌机转速为1200-2000r/min。
3.根据权利要求1所述的一种阻燃耐火砖的制备方法，其特征在于，所述球磨机的转速为1600-2000r/min，球磨时间为30-40min。
4.根据权利要求1所述的一种阻燃耐火砖的制备方法，其特征在于，所述烧结温度为1800-2400℃，烧结时间为3-5h。
5.根据权利要求1所述的一种阻燃耐火砖的制备方法，其特征在于，所述保温时间为2.5-4h。
CN201911154294.2A 2019-11-22 2019-11-22 一种阻燃耐火砖的制备方法 Withdrawn CN110698172A (zh)

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Publication number Priority date Publication date Assignee Title
US4039343A (en) * 1974-03-24 1977-08-02 General Refractories Company Improved performance direct bonded basic refractory brick and method of manufacture
CN1761635A (zh) * 2003-02-07 2006-04-19 联合矿物产品公司 抗裂的干耐火材料
CN101687711A (zh) * 2007-07-11 2010-03-31 法商圣高拜欧洲实验及研究中心 基于氧化铝和氧化铬的烧结制品
CN103788536A (zh) * 2014-01-14 2014-05-14 安庆市吉美装饰材料有限责任公司 一种阻燃抑烟型pvc扣板
CN105859265A (zh) * 2016-05-11 2016-08-17 枞阳县海力机械制造有限责任公司 一种基于板状刚玉的煤气发生炉用耐火砖

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039343A (en) * 1974-03-24 1977-08-02 General Refractories Company Improved performance direct bonded basic refractory brick and method of manufacture
CN1761635A (zh) * 2003-02-07 2006-04-19 联合矿物产品公司 抗裂的干耐火材料
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