CN108017961A - 一种耐沾污排水盲管 - Google Patents
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Abstract
本发明公开了一种耐沾污排水盲管，包括排水盲管本体，在所述排水盲管本体的内壁上依次涂有PE胶底部涂层和耐沾污涂层，所述排水盲管本体上布有多个渗水孔。另外，还公开了排污盲管的制备方法，包括步骤：准备排水盲管本体材料，在材料内壁使用PE胶均匀涂刷一遍，待24h实干，再使用耐沾污涂层，均匀涂刷一遍，待24h实干；在管壁上均匀开出若干个渗水孔。本发明优点在于：排水盲管的内壁涂刷了PE胶底部涂层和耐沾污涂层，使得排水盲管具有良好的耐沾污性能，延长了排水盲管的使用寿命。
Description
技术领域
本发明涉及给排水技术领域，具体涉及一种耐沾污排水盲管。
背景技术
排水盲管又称排水盲沟，主要以合成纤维、塑料以及合成橡胶等为原料，经不同的工艺方法制成各种类型、多功能的土工产品。其材质憎水、阻力小，具有极高的表面渗水能力和内部通水能力；并具有极好的抗压能力及适应形变的能力；具有极佳的化学惰性，在岩土工程使用中能保持长久的寿命；重量轻，易裁剪，施工安装方便。主要作用是集排土中渗水，用以减小地下水压力，排除多余水分，保护土体和建筑物不会因产生渗透变形而破坏，广泛应用于土木、交通、水利、工民建矿工、环境保护等建设项目的地下集排水工程。
传统排水盲管使用时间长了，会在内壁残留污渍，加上排水盲管一旦安装，后期在清理维修会特别麻烦，导致这些污渍日积月累，极大的影响排水盲管的渗透效果以及通水能力。
发明内容
本发明所要解决的技术问题在于提供一种耐沾污排水盲管，排水盲管解决了传统排水盲管耐沾污性能差的缺陷。
本发明所要解决的技术问题采用以下技术方案来实现：
一种耐沾污排水盲管，包括排水盲管本体，在所述排水盲管本体的内壁上依次涂有PE胶底部涂层和耐沾污涂层，所述排水盲管本体上布有多个渗水孔。
进一步改进在于，所述排水盲管本体为PE双壁波纹管或PVC实壁管。
进一步改进在于，所述耐沾污涂层的制作原料包括聚四氟乙烯乳液10-15份、钛白粉4-8份、甲基硅酸钠1-5份、乙二醇单丁醚5-10 份、消泡剂1-3份、滑石粉4-8份、碳酸钙6-10份、氧化锌12-15 份、纳米碳粉7-10份和液体石蜡2-5份。
进一步改进在于，所述耐沾污涂层为具有亚微米、纳米的双微观结构膜层。
进一步改进在于，所述渗水孔的孔壁上设有防腐蚀涂层。
进一步改进在于，所述渗水孔上覆盖有两层过滤网，所述过滤网分别设在渗水孔的里外孔口处。
一种耐沾污排水盲管的制作方法，包括以下步骤：
a、准备排水盲管本体材料，在材料内壁使用PE胶均匀涂刷一遍，待24h实干，再使用耐沾污涂层，均匀涂刷一遍，待24h实干；
b、在管壁上均匀开出若干个渗水孔。
进一步改进在于，步骤a中所述排水盲管本体为PE双壁波纹管或PVC实壁管。
进一步改进在于，步骤a中所述耐沾污涂层的制作原料包括聚四氟乙烯乳液10-15份、钛白粉4-8份、甲基硅酸钠1-5份、乙二醇单丁醚5-10份、消泡剂1-3份、滑石粉4-8份、碳酸钙6-10份、氧化锌12-15份、纳米碳粉7-10份和液体石蜡2-5份。
进一步改进在于，步骤b中对渗水孔进行孔壁涂刷防腐蚀层，并在渗水孔的孔口处加设过滤网。
本发明的有益效果是：排水盲管的内壁涂刷了PE胶底部涂层和耐沾污涂层，使得排水盲管具有良好的耐沾污性能，延长了排水盲管的使用寿命；另外，渗水孔可使地下水顺畅的渗透到管内，且可有效防止土壤或其他杂质从渗水孔进入排水盲管内。
附图说明
图1为本发明的剖面图；
其中，1-排水盲管本体，2-PE胶底部涂层，3-耐沾污涂层，4- 渗水孔，5-防腐蚀涂层，6-过滤网。
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，下面结合具体图示，进一步阐述本发明。
如图1所示，一种耐沾污排水盲管，包括排水盲管本体1，在排水盲管本体1的内壁上依次涂有PE胶底部涂层2和耐沾污涂层3，排水盲管本体1上布有多个渗水孔4。排水盲管本体1为PE双壁波纹管或PVC实壁管。
其中，耐沾污涂层3的制作原料优选的为：聚四氟乙烯乳液12 份、钛白粉6份、甲基硅酸钠3份、乙二醇单丁醚8份、消泡剂2份、滑石粉6份、碳酸钙8份、氧化锌13份、纳米碳粉9份和液体石蜡 4份。将这些材料搅拌混合均匀后，静置1h，并将混料处理为具有亚微米、纳米的双微观结构膜层，这是现有处理技术，这里不详细介绍，然后将其涂覆在内壁的PE胶底部涂层2表面。
渗水孔4的孔壁上设有防腐蚀涂层5，渗水孔4上覆盖有两层过滤网6，过滤网6分别设在渗水孔的里外孔口处。
一种耐沾污排水盲管的制作方法，包括以下步骤：
a、准备排水盲管本体材料，在材料内壁使用PE胶均匀涂刷一遍，待24h实干，再使用耐沾污涂层，均匀涂刷一遍，待24h实干；
b、在管壁上均匀开出若干个渗水孔。
其中，步骤a中排水盲管本体为PE双壁波纹管或PVC实壁管。
其中，步骤a中耐沾污涂层的制作原料包括聚四氟乙烯乳液12 份、钛白粉6份、甲基硅酸钠3份、乙二醇单丁醚8份、消泡剂2份、滑石粉6份、碳酸钙8份、氧化锌13份、纳米碳粉9份和液体石蜡 4份。
步骤b中对渗水孔进行孔壁涂刷防腐蚀层，并在渗水孔的孔口处加设过滤网。
经检测，涂刷耐沾污涂层的排水盲管内壁水的静态接触角可达 130°。
经耐沾污性能试验，采用反射率为指标时，与普通排水管比较，反射率下降率仅为10％，普通排水管反射下降为20％左右。使用污染源对管内壁沾污增重为指标时，10cm耐沾污管材循环试验5次后增重仅为普通排水管增重的1/10左右，具有良好的耐沾污性。
以上显示和描述了本发明的基本原理、主要特征和优点。本行业的技术人员应该了解，本发明不受上述实施示例的限制，上述实施示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 (10)
1.一种耐沾污排水盲管，其特征在于：包括排水盲管本体(1)，在所述排水盲管本体(1)的内壁上依次涂有PE胶底部涂层(2)和耐沾污涂层(3)，所述排水盲管本体(1)上布有多个渗水孔(4)。
2.根据权利要求1所述的一种耐沾污排水盲管，其特征在于：所述排水盲管本体(1)为PE双壁波纹管或PVC实壁管。
3.根据权利要求1所述的一种耐沾污排水盲管，其特征在于：所述耐沾污涂层(3)的制作原料包括聚四氟乙烯乳液10-15份、钛白粉4-8份、甲基硅酸钠1-5份、乙二醇单丁醚5-10份、消泡剂1-3份、滑石粉4-8份、碳酸钙6-10份、氧化锌12-15份、纳米碳粉7-10份和液体石蜡2-5份。
4.根据权利要求1所述的一种耐沾污排水盲管，其特征在于：所述耐沾污涂层(3)为具有亚微米、纳米的双微观结构膜层。
5.根据权利要求1所述的一种耐沾污排水盲管，其特征在于：所述渗水孔(4)的孔壁上设有防腐蚀涂层(5)。
6.根据权利要求1所述的一种耐沾污排水盲管，其特征在于：所述渗水孔(4)上覆盖有两层过滤网(6)，所述过滤网(6)分别设在渗水孔的里外孔口处。
7.一种耐沾污排水盲管的制作方法，其特征在于，包括以下步骤：
a、准备排水盲管本体材料，在材料内壁使用PE胶均匀涂刷一遍，待24h实干，再使用耐沾污涂层，均匀涂刷一遍，待24h实干；
b、在管壁上均匀开出若干个渗水孔。
8.根据权利要求7所述的一种耐沾污排水盲管的制作方法，其特征在于：步骤a中所述排水盲管本体为PE双壁波纹管或PVC实壁管。
9.根据权利要求7所述的一种耐沾污排水盲管的制作方法，其特征在于：步骤a中所述耐沾污涂层的制作原料包括聚四氟乙烯乳液10-15份、钛白粉4-8份、甲基硅酸钠1-5份、乙二醇单丁醚5-10份、消泡剂1-3份、滑石粉4-8份、碳酸钙6-10份、氧化锌12-15份、纳米碳粉7-10份和液体石蜡2-5份。
10.根据权利要求7所述的一种耐沾污排水盲管的制作方法，其特征在于：步骤b中对渗水孔进行孔壁涂刷防腐蚀层，并在渗水孔的孔口处加设过滤网。
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