CN109295842B - 一种防腐地面隆起部分修缮方法 - Google Patents

一种防腐地面隆起部分修缮方法 Download PDF

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CN109295842B
CN109295842B CN201811054447.1A CN201811054447A CN109295842B CN 109295842 B CN109295842 B CN 109295842B CN 201811054447 A CN201811054447 A CN 201811054447A CN 109295842 B CN109295842 B CN 109295842B
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周朝辉
樊少柯
钱磊
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Tongling Youse Jianan Waterproof And Anticorrosion Co ltd
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Abstract

本发明涉及一种防腐地面隆起部分修缮方法，通过对确认的隆起空鼓部位采用切割机进行切割得到凹槽状的切割区域；对已切割好的切割区域进行清理、清洗，在切割区域的底部铺贴环氧树脂隔离层，然后在环氧树脂隔离层的上方铺贴耐酸瓷板层，耐酸瓷板层的四周与切割区域的侧边之间设置有伸缩缝，对伸缩缝采用柔性耐酸材料进行灌填得到缓冲层。本发明能够对被酸腐蚀的地面进行修缮，修缮后的地面美观，修缮后的耐酸瓷板层和缓冲层不但不会受到热胀冷缩的影响，而且耐腐蚀效果优良，耐酸瓷板层和缓冲层的使用寿命长。

Description

一种防腐地面隆起部分修缮方法
技术领域
本发明涉及一种防腐地面隆起部分修缮方法，属于防腐施工技术领域。
背景技术
在化工企业中，如电解车间，电解车间易发生电解液泄露，而电解液腐蚀性强，泄露的电解液易顺着电解车间的地面缝隙流动，从而易造成地面高分子板隆起、空鼓现象。
发明内容
本发明针对现有技术存在的不足，提供了一种防腐地面隆起部分修缮方法，具体技术方案如下：
一种防腐地面隆起部分修缮方法，包括如下步骤：
步骤一、对确认的隆起空鼓部位采用切割机进行切割得到凹槽状的切割区域；
步骤二、对已切割好的切割区域进行清理、清洗，在切割区域的底部铺贴环氧树脂隔离层，然后在环氧树脂隔离层的上方铺贴耐酸瓷板层，耐酸瓷板层的四周与切割区域的侧边之间设置有伸缩缝，对伸缩缝采用柔性耐酸材料进行灌填得到缓冲层。
作为上述技术方案的改进，在步骤一中，所述切割机进行切割的切割范围为隆起空鼓部位外扩300～500mm。
作为上述技术方案的改进，在步骤一中，所述切割区域为矩形。
作为上述技术方案的改进，所述耐酸瓷板层由耐酸瓷板铺贴而成。
作为上述技术方案的改进，所述伸缩缝的缝宽为20～30mm。
作为上述技术方案的改进，所述环氧树脂隔离层采用改性玻纤布作为增强材料，所述改性玻纤布采用玻璃纤维纱作为经纱以及采用四氟纱为纬纱纺织制成，所述四氟纱由聚四氟乙烯制成。
作为上述技术方案的改进，所述柔性耐酸材料的制作方法为，利用E51型环氧树脂、二乙烯三胺、2-甲基咪唑、硅烷偶联剂、聚四氟乙烯粉体、氧化钙、碳酸氢铵、丙酮混合搅拌制成胶液即得。
作为上述技术方案的改进，所述柔性耐酸材料的原料中，E51型环氧树脂、二乙烯三胺、2-甲基咪唑、硅烷偶联剂、聚四氟乙烯粉体、氧化钙、碳酸氢铵、丙酮的质量比为(100～120):(30～35):(2.3～2.5):(0.22～0.26):(80～90):(15～18):(23～25):(100～120)。
作为上述技术方案的改进，所述聚四氟乙烯粉体的粒径为过80目筛的粉体。
本发明的有益效果：
本发明所述防腐地面隆起部分修缮方法能够对被酸腐蚀的地面进行修缮，修缮后的地面美观，修缮后的耐酸瓷板层和缓冲层不但不会受到热胀冷缩的影响，而且耐腐蚀效果优良，耐酸瓷板层和缓冲层的使用寿命长。
附图说明
图1为本发明所述防腐地面发生隆起时的示意图；
图2为本发明所述防腐地面修缮后的示意图(俯视状态)；
图3为本发明所述防腐地面修缮后的示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
如图1所示，所述防腐地面10发生隆起时产生隆起空鼓部位20。所述防腐地面10的修缮方法如下：
步骤一、对确认的隆起空鼓部位20采用切割机进行切割得到凹槽状的切割区域30，如图1所示。所述切割机进行切割的切割范围为隆起空鼓部位20外扩300～500mm。为方便切割作业以及考虑美观性，所述切割区域30设计为矩形。
步骤二、对已切割好的切割区域30进行清理、清洗，在切割区域30的底部铺贴环氧树脂隔离层40，如图3所示，然后在环氧树脂隔离层40的上方铺贴耐酸瓷板层50，耐酸瓷板层50的四周与切割区域30的侧边之间设置有伸缩缝，对伸缩缝采用柔性耐酸材料进行灌填得到缓冲层60，如图2所示。其中，所述耐酸瓷板层50由耐酸瓷板铺贴而成。所述伸缩缝的缝宽为20～30mm。
由于耐酸瓷板的耐腐蚀性能好，通常易发生鼓起的地方为环氧树脂隔离层与耐酸瓷板之间的结合处。进一步地，所述环氧树脂隔离层采用改性玻纤布70作为增强材料，如图3所示，所述改性玻纤布70采用玻璃纤维纱作为经纱以及采用四氟纱为纬纱纺织制成，所述四氟纱由聚四氟乙烯制成。聚四氟乙烯具有抗酸抗碱、抗各种有机溶剂的特点。同时，聚四氟乙烯具有耐高温的特点，聚四氟乙烯制成的四氟纱具有优良的耐腐蚀性能，但是四氟纱的摩擦系数极低，这导致采用聚四氟乙烯制成的四氟布与环氧树脂之间的结合力差，易导致后期四氟布与环氧树脂之间发生脱离；而玻璃纤维的耐腐蚀性能比聚四氟乙烯差，但是玻璃纤维与环氧树脂之间的结合力优良，采用玻璃纤维纱及四氟纱混纺制成的改性玻纤布70同步具有优良的耐腐蚀性能以及与环氧树脂之间良好的结合能力，而环氧树脂具有优良的耐腐蚀性能，因此，环氧树脂隔离层的耐腐蚀性能显著提高。
普通的瓷砖填缝剂耐腐蚀性能差，采用普通的瓷砖填缝剂制成的对比缓冲层的防腐性能有限，因此，为进一步提高缓冲层60的防腐能力，所述柔性耐酸材料的制作方法如下：
实施例1
将100㎏E51型环氧树脂、30㎏二乙烯三胺、2.3㎏2-甲基咪唑、0.22㎏硅烷偶联剂、80㎏过80目筛的聚四氟乙烯粉体、15㎏氧化钙、23㎏碳酸氢铵、100㎏丙酮混合搅拌均匀制成胶液即得所述柔性耐酸材料。
实施例2
将110㎏E51型环氧树脂、33㎏二乙烯三胺、2.4㎏2-甲基咪唑、0.25㎏硅烷偶联剂、85㎏过80目筛的聚四氟乙烯粉体、16㎏氧化钙、24㎏碳酸氢铵、115㎏丙酮混合搅拌均匀制成胶液即得所述柔性耐酸材料。
实施例3
将120㎏E51型环氧树脂、35㎏二乙烯三胺、2.5㎏2-甲基咪唑、0.26㎏硅烷偶联剂、90㎏过80目筛的聚四氟乙烯粉体、18㎏氧化钙、25㎏碳酸氢铵、120㎏丙酮混合搅拌均匀制成胶液即得所述柔性耐酸材料。
实施例4
在对切割区域30进行打磨，打磨完成后对其清扫并涂刷树脂底漆第一遍，涂刷树脂底漆第二遍，底漆干燥后铺贴改性玻纤布70三层，与切割区域30的边缘处上返15mm，见图3，环氧树脂隔离层40施工完成后再铺贴耐酸瓷板层50。
在上述实施例中，环氧树脂固化后其具有弹性，二乙烯三胺为固化剂，2-甲基咪唑为催化剂，聚四氟乙烯粉体为耐腐蚀性的填料，丙酮为有机溶剂，丙酮的沸点低，在铺设后易挥发，从而有助于加快固化进程。胶液填充在伸缩缝中后，胶液中的氧化钙会吸收空气中的水蒸汽发生化学反应生成氢氧化钙并放出大量的热；而碳酸氢铵在36℃以上分解为二氧化碳、氨和水，60℃可分解完，碳酸氢铵有吸湿性，潮解后分解速率会加快；因此，氧化钙与水蒸汽发生反应生成的热量会促进碳酸氢铵分解，分解产生的气体会导致胶液在固化过程中产生大量气泡，所述胶液固化时间为2～5天，这足够氧化钙与水蒸汽完全发生反应。固化后的胶液形成缓冲层60，缓冲层60内部含有大量的气泡，这使得所述缓冲层60具有优良的缓冲效果，从而能够消除热胀冷缩带来的影响。并且，所述缓冲层60中的环氧树脂固化物和聚四氟乙烯均具有优良的耐腐蚀效果，在酸液泄露初期，酸液能够与缓冲层60中的氢氧化钙发生反应生成钙盐，钙盐不会被腐蚀，同时缓冲层60中的微孔为钙盐的生成提供空间，从而避免缓冲层60发生剧烈变形；也就是说，所述缓冲层60具有优良的耐腐蚀效果。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (8)

1.一种防腐地面隆起部分修缮方法，其特征在于包括如下步骤：
步骤一、对确认的隆起空鼓部位采用切割机进行切割得到凹槽状的切割区域（30）；
步骤二、对已切割好的切割区域进行清理、清洗，在切割区域的底部铺贴环氧树脂隔离层，然后在环氧树脂隔离层的上方铺贴耐酸瓷板层，耐酸瓷板层的四周与切割区域的侧边之间设置有伸缩缝，对伸缩缝采用柔性耐酸材料进行灌填得到缓冲层；
所述环氧树脂隔离层采用改性玻纤布作为增强材料，所述改性玻纤布采用玻璃纤维纱作为经纱以及采用四氟纱为纬纱纺织制成，所述四氟纱由聚四氟乙烯制成。
2.根据权利要求1所述的一种防腐地面隆起部分修缮方法，其特征在于：在步骤一中，所述切割机进行切割的切割范围为隆起空鼓部位外扩300~500mm。
3.根据权利要求1所述的一种防腐地面隆起部分修缮方法，其特征在于：在步骤一中，所述切割区域为矩形。
4.根据权利要求1所述的一种防腐地面隆起部分修缮方法，其特征在于：所述耐酸瓷板层由耐酸瓷板铺贴而成。
5.根据权利要求1所述的一种防腐地面隆起部分修缮方法，其特征在于：所述伸缩缝的缝宽为20~30mm。
6.根据权利要求1所述的一种防腐地面隆起部分修缮方法，其特征在于：所述柔性耐酸材料的制作方法为，利用E51型环氧树脂、二乙烯三胺、2-甲基咪唑、硅烷偶联剂、聚四氟乙烯粉体、氧化钙、碳酸氢铵、丙酮混合搅拌制成胶液即得。
7.根据权利要求6所述的一种防腐地面隆起部分修缮方法，其特征在于：所述柔性耐酸材料的原料中，E51型环氧树脂、二乙烯三胺、2-甲基咪唑、硅烷偶联剂、聚四氟乙烯粉体、氧化钙、碳酸氢铵、丙酮的质量比为（100~120）:（30~35）:（2.3~2.5）:（0.22~0.26）:（80~90）:（15~18）:（23~25）:（100~120）。
8.根据权利要求6所述的一种防腐地面隆起部分修缮方法，其特征在于：所述聚四氟乙烯粉体的粒径为过80目筛的粉体。
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