CN109128043A - 一种铁水浇包防冲刷专用浇口及其制备方法 - Google Patents

一种铁水浇包防冲刷专用浇口及其制备方法 Download PDF

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CN109128043A
CN109128043A CN201811019542.8A CN201811019542A CN109128043A CN 109128043 A CN109128043 A CN 109128043A CN 201811019542 A CN201811019542 A CN 201811019542A CN 109128043 A CN109128043 A CN 109128043A
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powder
molten iron
cast gate
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朱晓明
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CHANGXING ZHONGJIAN REFRACTORY MATERIAL TECHNOLOGY Co Ltd
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Abstract

本发明公开了一种铁水浇包防冲刷专用浇口，由以下重量百分比原料制成：莫来石5‑10%、莫来石粉10‑20%、高铝矾土粉20‑30%、生矾土粉20‑25%、高岭土20‑30%、钛酸铝5‑10%、增稠剂3‑5%、黏结剂1‑5%、添加剂1‑3%，外加水15%。还公开了铁水浇包防冲刷专用浇口的制备方法，取上述重量百分比原料依次放入搅拌机混合搅拌得到混合液；混合液倒入真空练泥机中进行标制工作，得到直管和带弧型的弯管；直管与弯管放入金属模具中成型；放入烘炉中烘烤；放入窑炉中煅烧；冷却取出得到成品。本发明设计合理、制备方便，制备的浇口强度高、稳定性好，能有效防止铁水浇包过程中对浇口的冲刷。

Description

一种铁水浇包防冲刷专用浇口及其制备方法
技术领域
本发明属于浇口制备技术领域，具体涉及一种铁水浇包防冲刷专用浇口及其制备方法。
背景技术
铸造工艺离不开浇口杯，传统的浇口制作工艺是：在较薄的铁膜内采用潮模砂手工造型制作。然而，采用该种工艺制作的浇口杯易呈现下部厚上部薄的不均匀状况，且面质量差、型砂热强度低，使用在浇注过程中易造成铸件砂眼缺陷，因而制造出的铸件质量稳定性差，废品率高。目前，国内市场的浇口很多，但多为品质较低的产品，通过采用传统的压机压制成型的浇口杯，成本非常高，强度低，而且由于长期使用钢模压制，摩损严重，会大量引入模具上的杂质等设备原因，严重影响产品品质。且在制备完成后，其的耐高温性能不足，极易容易造成损坏。在铁水浇包过程中，铁水会对浇口杯进行冲刷，影响使用寿命。
由此可见，现有技术中的铁水浇包工艺不方便，造成生产的浇口强度低、稳定性差，并且容易发生铁水浇包冲刷的缺陷。
发明内容
本发明的目的在于提供一种设计合理、制备方便，强度高、稳定性好，有效防止铁水浇包冲刷的铁水浇包防冲刷专用浇口及其制备方法。
一种铁水浇包防冲刷专用浇口，由以下重量百分比原料制成：莫来石5-10%、莫来石粉10-20%、高铝矾土粉20-30%、生矾土粉20-25%、高岭土20-30%、钛酸铝5-10%、增稠剂3-5%、黏结剂1-5%、添加剂1-3%，外加水15%。
优选的，所述增稠剂为镁铝尖晶石粉、分散剂、纯丙乳液以及速溶增稠剂的混合物料，且镁铝尖晶石粉、分散剂、纯丙乳液以及速溶增稠剂的重量比为2：0.2：1：0.2。
优选的，所述莫来石粉目数为100-200目，所述高铝矾土粉目数为200-325目，所述生矾土粉目数为100-180目，所述高岭土目数为100-180目。
优选的，所述添加剂为工业级硫磺粉、绢云母粉、金属硅以及分散乳胶粉的混合物料，且工业级硫磺粉、绢云母粉、金属硅以及分散乳胶粉的重量比为2：0.5：0.5：1。
优选的，一种铁水浇包防冲刷专用浇口由以下重量百分比原料制成：莫来石5%、莫来石粉10%、高铝矾土粉20%、生矾土粉20%、高岭土20%、钛酸铝5%、增稠剂3%、黏结剂1%、添加剂1%，外加水15%。
优选的，一种铁水浇包防冲刷专用浇口由以下重量百分比原料制成：莫来石10%、莫来石粉20%、高铝矾土粉30%、生矾土粉25%、高岭土30%、钛酸铝10%、增稠剂5%、黏结剂5%、添加剂3%，外加水15%。
一种铁水浇包防冲刷专用浇口的制备方法，其特征在于，包括以下制备步骤：
步骤一：原料制备，取上述重量百分比原料依次放入搅拌机中进行混合搅拌，再加入15%的水进行混合得到混合液，备用；
步骤二：将混合液倒入真空练泥机中进行标制工作，得到直管和带弧型的弯管备用；
步骤三：将直管与弯管放入金属模具中进行成型，将成型后的直管与弯管进行整型，得到半成品；
步骤四：将半成品放入烘炉中进行烘烤，烘烤时间为24小时；
步骤五：将烘烤后的半成品放入窑炉中进行煅烧，煅烧温度为1000-1250℃，煅烧时间为20小时；
步骤六：冷却取出，得到成品。
优选的，所述步骤一中搅拌时间为10-20分钟。
优选的，所述步骤二中真空练泥机包括机头，所述机头包括内芯与外套。
本发明的有益效果：
本发明是一种铁水浇包防冲刷专用浇口及其制备方法，设计合理、制备方便，生产效率高，制备的浇口强度高、稳定性好，能有效防止铁水浇包过程中对浇口的冲刷，浇口的使用寿命长，在原料中添加钛酸铝和耐火纤维，能有效增强浇口的耐高温性能，从而提高了浇口的品质和使用寿命，浇口制备有直管和弧型弯管，能减少铁水对浇口的冲刷，在使用过程中更加便捷，提高了工作效率。
具体实施方式
为便于本领域技术人员理解本发明方案，现结合具体实施方式对本发明技术方案作进一步具体说明。
一种铁水浇包防冲刷专用浇口，由以下重量百分比原料制成：莫来石5-10%、莫来石粉10-20%、高铝矾土粉20-30%、生矾土粉20-25%、高岭土20-30%、钛酸铝5-10%、增稠剂3-5%、黏结剂1-5%、添加剂1-3%，外加水15%。
所述增稠剂为镁铝尖晶石粉、分散剂、纯丙乳液以及速溶增稠剂的混合物料，且镁铝尖晶石粉、分散剂、纯丙乳液以及速溶增稠剂的重量比为2：0.2：1：0.2。
所述莫来石粉目数为100-200目，所述高铝矾土粉目数为200-325目，所述生矾土粉目数为100-180目，所述高岭土目数为100-180目。
所述添加剂为工业级硫磺粉、绢云母粉、金属硅以及分散乳胶粉的混合物料，且工业级硫磺粉、绢云母粉、金属硅以及分散乳胶粉的重量比为2：0.5：0.5：1。
一种铁水浇包防冲刷专用浇口的制备方法，包括以下制备步骤：
步骤一：原料制备，取上述重量百分比原料依次放入搅拌机中进行混合搅拌，再加入15%的水进行混合得到混合液，备用；
步骤二：将混合液倒入真空练泥机中进行标制工作，得到直管和带弧型的弯管备用；
步骤三：将直管与弯管放入金属模具中进行成型，将成型后的直管与弯管进行整型，得到半成品；
步骤四：将半成品放入烘炉中进行烘烤，烘烤时间为24小时；
步骤五：将烘烤后的半成品放入窑炉中进行煅烧，煅烧温度为1000-1250℃，煅烧时间为20小时；
步骤六：冷却取出，得到成品。
为了提高对原料的搅拌混合效果，所述步骤一中搅拌时间为10-20分钟。
为了提高制备直管和弧型弯管的品质，所述步骤二中真空练泥机包括机头，所述机头包括内芯与外套。
实施例1
一种铁水浇包防冲刷专用浇口，由以下重量百分比原料制成：莫来石5%、莫来石粉10%、高铝矾土粉20%、生矾土粉20%、高岭土20%、钛酸铝5%、增稠剂3%、黏结剂1%、添加剂1%，外加水15%。
实施例2
一种铁水浇包防冲刷专用浇口，由以下重量百分比原料制成：莫来石10%、莫来石粉20%、高铝矾土粉30%、生矾土粉25%、高岭土30%、钛酸铝10%、稠剂5%、黏结剂5%、添加剂3%，外加水15%。
本发明方案在上面结合具体实施方式对发明进行了示例性描述，显然本发明具体实现并不受上述方式的限制，只要采用了本发明的方法构思和技术方案进行的各种非实质性改进，或未经改进将发明的构思和技术方案直接应用于其它场合的，均在本发明的保护范围之内。

Claims (9)

1.一种铁水浇包防冲刷专用浇口，其特征在于，由以下重量百分比原料制成：莫来石5-10%、莫来石粉10-20%、高铝矾土粉20-30%、生矾土粉20-25%、高岭土20-30%、钛酸铝5-10%、增稠剂3-5%、黏结剂1-5%、添加剂1-3%,外加15%水。
2.根据权利要求1所述的一种铁水浇包防冲刷专用浇口，其特征在于，所述增稠剂为镁铝尖晶石粉、分散剂、纯丙乳液以及速溶增稠剂的混合物料；所述镁铝尖晶石粉、分散剂、纯丙乳液以及速溶增稠剂的重量比为2：0.2：1：0.2。
3.根据权利要求1所述的一种铁水浇包防冲刷专用浇口，其特征在于，所述莫来石粉颗粒大小为100-200目，所述高铝矾土粉颗粒大小为200-325目，所述生矾土粉颗粒大小为100-180目，所述高岭土颗粒大小为100-180目。
4.根据权利要求1所述的一种铁水浇包防冲刷专用浇口，其特征在于，所述添加剂为工业级硫磺粉、绢云母粉、金属硅以及分散乳胶粉的混合物料，且工业级硫磺粉、绢云母粉、金属硅以及分散乳胶粉的重量比为2：0.5：0.5：1。
5.根据权利要求1所述的一种铁水浇包防冲刷专用浇口，其特征在于，由以下重量百分比原料制成：莫来石5%、莫来石粉10%、高铝矾土粉20%、生矾土粉20%、高岭土20%、钛酸铝5%、增稠剂3%、黏结剂1%、添加剂1%，外加水15%。
6.根据权利要求1所述的一种铁水浇包防冲刷专用浇口，其特征在于，由以下重量百分比原料制成：莫来石10%、莫来石粉20%、高铝矾土粉30%、生矾土粉25%、高岭土30%、钛酸铝10%、增稠剂5%、黏结剂5%、添加剂3%，外加水15%。
7.一种铁水浇包防冲刷专用浇口的制备方法，其特征在于，包括以下制备步骤：
步骤一：原料制备，取上述重量百分比原料依次放入搅拌机中进行混合搅拌，再加入15%的水进行混合得到混合液，备用；
步骤二：将混合液倒入真空练泥机中进行标制工作，得到直管和带弧型的弯管备用；
步骤三：将直管与弯管放入金属模具中进行成型，将成型后的直管与弯管进行整型，得到半成品；
步骤四：将半成品放入烘炉中进行烘烤，烘烤时间为24小时；
步骤五：将烘烤后的半成品放入窑炉中进行煅烧，煅烧温度为1000-1250℃，煅烧时间为20小时；
步骤六：冷却取出，得到成品。
8.根据权利要求7所述的一种铁水浇包防冲刷专用浇口的制备方法，其特征在于，所述步骤一中搅拌时间为10-20分钟。
9.根据权利要求7所述的一种铁水浇包防冲刷专用浇口的制备方法，其特征在于，所述步骤二中真空练泥机包括机头，所述机头包括内芯与外套。
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