CN112646221A - 一种市政污水排水施工管道 - Google Patents
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Abstract
本申请公开了一种市政污水排水施工管道，包括管道本体和抗菌涂层，所述抗菌涂层涂于管道本体内壁；本申请采用锰氧化物和铁氧化物的混合物粉末作为抗菌剂用于管道本体和抗菌涂层中，能够高效抑制细菌和微生物生长，还与抗菌涂层中使用相同类别的抗菌剂，避免不同抗菌剂间的抑制效果；在抗菌涂层因涂层磨损等情况出现时，管道本体的材质可以继续发挥抗菌性能，延长管道抗菌效果持续时间。所述极性润滑剂能够与抗菌涂层中环氧树脂结合更牢固，增加粘附力。所述超疏水纳米二氧化硅能够提高树脂疏水性，延长涂层使用寿命。
Description
技术领域
本发明属于排水管施工领域，具体涉及一种市政污水排水施工管道。
背景技术
现有部分市政污水排水管道采用高密度聚乙烯(PE)、聚氯乙烯(PVC)等材质管道，由于此种塑料材质在生产过程中添加润滑剂、抗氧剂、脱模剂等助剂，表面容易滋生微生物，尤其是此管道用于污水排水管，污水本身微生物含量较多，更易在塑料材质管道壁附着，一方面能够腐蚀管道内壁，影响管道使用寿命，时间长久后容易出现漏水等现象，尤其是作用于暴露在空气中的管段，腐蚀速度加快；另一方面，由于排污管道很多时候并非处于满管状态，管道中附着的微生物，借助于污水中过剩的有机物业原料，大量繁殖，会产生氨氮类排泄物，以至于管道内的恶臭气味尤为严重，在检修井附近或风口下游的居民的生活会长时间受恶臭影响，继而投诉至政府部门，但解决方式往往只能为增加污水管道清理频次，治标不治本。在清理或检修管道时，污水管道内的微生物及恶臭对检修工人的身体和心理也会造成不良影响。
发明内容
鉴于现有技术中的市政污水管道存在的上述问题，本申请目的在于，提供一种能够抑制管道内部微生物生长和繁殖、延长管道使用寿命、显著降低管道内部气味，改善污水管道内部清理或检修环境和居民生活环境的污水排水施工管道，具体通过以下技术方案实现：
一种市政污水排水施工管道，包括管道本体和抗菌涂层，所述抗菌涂层涂于管道本体内壁；所述管道本体为组分为热塑性树脂材质为，以重量份计：
聚丙烯30～70份；
抗菌剂0.5～2份；
电气石5～20份；
增强填料20～50份；
极性润滑剂0.1～1份；
其他助剂0～2份；
所述抗菌剂为尺寸为1～100nm的锰氧化物和铁氧化物的混合物粉末，所述锰氧化物和铁氧化物比例为5:1；
所述抗菌涂层的材质为，以重量份计：
环氧树脂50～80份；
抗菌剂3～5份；
超疏水纳米二氧化硅20～30份；
硅烷偶联剂0.1～2份；
所述抗菌涂层厚度为5～15μm。
可选的，所述极性润滑剂为润滑剂EBS。能够增强管道本体与抗菌涂层间黏附力，增强使用寿命。
可选的，所述其他助剂包括偶联剂、抗氧剂中的一种或几种。
可选的，所述增强填料包括玻璃纤维、滑石粉、碳酸钙、云母中的一种或几种。
可选的，所述抗菌涂层涂覆在管道本体内的顶部；由于本申请主要作用是改善管道内气体的异味和空气中的微生物，结合管道长时间并非出于满管状态，顶部不容易浸润在污水中，也不易被污水或其中的沉淀物抑制其作用。能够更好的发挥本申请所述功效，且降低成本，长期浸渍在污水中的抗菌功效有管道本体自身发挥一定的抗菌性能。
可选的，所述抗菌涂层外部标识有抗菌涂层区域，在施工时将抗菌涂层区域朝上即可。
所述抗菌涂层可经浸润或旋涂等方式涂覆与管道本体内壁，经干燥后即可。
由于管道在运输至施工地时，可能内壁会附着粉尘等颗粒物，可在闭水实验时将管壁冲洗干净。
本申请采用锰氧化物和铁氧化物的混合物粉末作为抗菌剂，能够高效抑制细菌和微生物生长，还与抗菌涂层中使用相同类别的抗菌剂，避免不同抗菌剂间的抑制效果；在抗菌涂层因涂层磨损等情况出现时，管道本体的材质可以继续发挥抗菌性能，延长管道抗菌效果持续时间。所述极性润滑剂能够与抗菌涂层中环氧树脂结合更牢固，增加粘附力。所述超疏水纳米二氧化硅能够提高树脂疏水性，延长涂层使用寿命。
附图说明
图1为实施例所述市政污水排水施工管道截面示意图。
图2为实施例所述市政污水排水施工管道俯视图的抗菌涂层区域示意图。
图中附图标记为：1管道本体，2抗菌涂层，3涂层标识。
具体实施方式
下面结合实施例对本发明所述的的技术方案作进一步说明，需要说明的是，本实施例所述技术方案并非对本发明权利要求的限制，任何在本发明构思的基础上的等效变换，均属于本发明保护范围内。
实施例
一种市政污水排水施工管道，包括管道本体1和抗菌涂层2，所述抗菌涂层2涂于管道本体1内壁；所述管道本体1为组分为聚丙烯(PP)材质为，以重量份计：
聚丙烯50份、抗菌剂1份、电气石15份、碳酸钙35份、极性润滑剂0.5份。
上述组分经螺杆挤出机挤出，然后注塑成型。
所述抗菌剂为尺寸为1～100nm的锰氧化物和铁氧化物的混合物粉末，所述锰氧化物和铁氧化物比例为5:1；此比例下的协同抗菌性能更好。
所述抗菌涂层2的材质为，以重量份计：
环氧树脂65份、抗菌剂5份、超疏水纳米二氧化硅25份、硅烷偶联剂1份。
所述抗菌涂层厚度约为10μm。由于管道本体1本身自带抗菌功能，因此无需将抗菌涂层2涂覆较厚，节约成本。
所述极性润滑剂为润滑剂EBS，能够增强管道本体1与抗菌涂层2间黏附力，增强使用寿命。
其中，所述抗菌涂层2涂覆在管道本体1内的顶部；由于本申请主要作用是改善管道内气体的意味和空气中的微生物，结合管道长时间并非出于满管状态，顶部不容易浸润在污水中，也不易被污水或其中的沉淀物抑制其作用。能够更好的发挥本申请所述功效，且降低成本，长期浸渍在污水中的抗菌功效有管道本体1自身发挥一定的抗菌性能。
其中，所述抗菌涂层2外部标识有抗菌涂层区域即为涂层标识3，在施工时将涂层标识3朝上即可。
本申请参考GB21551.3-2010家用和类似用途电器的抗菌、除菌、净化功能空气净化器的特殊要求，将管道当做空气净化器，验证其对空气中大肠杆菌和金黄色葡萄球菌的抗菌性能，具体数据如下表：
表中数据表明，单独的管道本体1因其添加抗菌剂，其抗菌性能大大提升，对于添加抗菌涂层2的管道，其因抗菌涂层2中抗菌剂含量较高，抗菌效果更优。
Claims (6)
1.一种市政污水排水施工管道，其特征在于：包括管道本体和抗菌涂层，所述抗菌涂层涂于管道本体内壁；所述管道本体为组分为热塑性树脂材质为，以重量份计：
聚丙烯30～70份；
抗菌剂0.5～2份；
电气石5～20份；
增强填料20～50份；
极性润滑剂0.1～1份；
其他助剂0～2份；
所述抗菌涂层的材质为，以重量份计：
环氧树脂50～80份；
抗菌剂3～5份；
超疏水纳米二氧化硅20～30份；
硅烷偶联剂0.1～2份；
所述抗菌涂层厚度为5～15μm；
所述抗菌剂为尺寸为1～100nm的锰氧化物和铁氧化物的混合物粉末，所述锰氧化物和铁氧化物比例为5:1。
2.如权利要求1所述的市政污水排水施工管道，其特征在于，所述极性润滑剂为润滑剂EBS。
3.如权利要求1所述的市政污水排水施工管道，其特征在于，所述其他助剂包括偶联剂、抗氧剂中的一种或几种。
4.如权利要求1所述的市政污水排水施工管道，其特征在于，所述增强填料包括玻璃纤维、滑石粉、碳酸钙、云母中的一种或几种。
5.如权利要求1所述的市政污水排水施工管道，其特征在于，所述抗菌涂层涂覆在管道本体内的顶部。
6.如权利要求5所述的市政污水排水施工管道，其特征在于，所述抗菌涂层外部标识有抗菌涂层区域，在施工时将抗菌涂层区域朝上即可。
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