CN104761962A - 一种应用于水力发电设施的环保涂料 - Google Patents

一种应用于水力发电设施的环保涂料 Download PDF

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CN104761962A
CN104761962A CN201410003140.4A CN201410003140A CN104761962A CN 104761962 A CN104761962 A CN 104761962A CN 201410003140 A CN201410003140 A CN 201410003140A CN 104761962 A CN104761962 A CN 104761962A
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苏辉
任瑞利
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Abstract

本发明提供一种应用于水力发电设施的环保涂料,其特征在于,每100重量份涂料中,含有以下组分:基液 10%-20%;无机材料30%-50%;天然矿物纤维材料2%-5%;人造纤维1%-2%;高分子材料助剂2%-5%;颗粒填料20%-30%; 所述基液为改性聚乙烯醇缩甲醛胶或水性环氧树脂;本专利整体上达到防结露防腐蚀性能强的效果,附着性强、抗伸缩性、耐候性、成本低、环保型强,使用过程不产生环境污染,对于水电站管道和设施方面的投入,降低较大的成本,达到非常好的效果,施工过程操作方便。

Description

一种应用于水力发电设施的环保涂料
技术领域
本发明涉及水电站管道和设备领域,具体涉及一种应用于水力发电设施的防结露防腐蚀环保涂料。
背景技术
水电站供水是保障水电厂正常运行的重要部分,由于电站地质条件的不同,各电站的取水方式则存在不同,这样致使供水水源温度与厂方环境温度之间存在一定的温差,当温差达到空气结露温度时,则使供水管道外壁出现结露现象。每年的夏季这种现象更加严重。当结露速度较快时,结露水珠降落于地面也较快,较大的结露降水使地面产生积水,地面处于滑湿状态,给检修及运行人员造成极大的不便,使他们处于不安全的工作环境,结露引起厂房的潮湿会使一些自动化程度较高、设备整洁的电站处于不安全的隐患之中,管道极易产生腐蚀。
通常,在一些电站的供水系统中,供水水源常采用压力钢管取水或坝前深水取水,而此类水源的水温相对较低,凡是有温差存在的地方,就有热量转移的现象,当高温物体向低温物体传热时,在一定湿度下达到环境空气中的露点,即产生该湿度下厂房供水管和设备表面的结露,即形成依附于壁面的凝结液体。造成积水,而积水所导致的厂房湿度的增加又进一步加重结露。管道结露的根本原因与传热有关,防止结露的基本原则是减少冷热量的对流交换,为防止冷水管与热空气的对流换热并防止表面结露,应采用在管道表面上覆盖物体的绝热措施,确保在绝热措施保护下的设备和管道的外表面温度高于气象条件下环境的露点温度。
针对以上情况,常用的处理解决方法为:传统防结露涂料(多为进口漆),使其表面形成与空气隔离的极薄的隔热层,简单美观的使用方法,但是由于空气与冷物体温差太大,而水管与涂层长时间接触最终导致涂层表面温度接冷物体温度,结露现象还是存在。另一种方法是采用内层包扎保温隔热材料,外层包扎有机玻璃钢或金属板,这样虽然外表面结露有所减轻,但由于不论怎样密封,都不能完全排出冷物体表面与保温层之间的湿空气及外部湿空气的进入,所以过一段时间后,启开保温层,水管表面大部分均已锈蚀,结露问题非但没解决,又形成严重的锈蚀问题。
因此,本发明是在主要解决目前现有技术存在以上不足的基础上研发出来的。
发明内容
本发明所解决的技术问题在于提供一种防结露防腐蚀性能强、便于施工维护、降低成本、环保无污染的涂料。
基于上述目的,本发明所解决的技术问题采用以下技术方案来实现:
一种应用于水力发电设施的环保涂料,每100重量份涂料中,含有以下组分:
基液 10%-20%   无机材料 30%-50%   天然矿物纤维材料2%-5%
人造纤维 1%-2%  高分子材料助剂2%-5%  颗粒填料20%-30%
所述基液为改性聚乙烯醇缩甲醛胶或水性环氧树脂。
进一步,所述颗粒填料为聚苯乙烯泡沫颗粒或中空玻化微珠其他闭孔颗粒状保温材料。
进一步,所述人造纤维为聚丙烯纤维。
进一步,所述无机材料为水硬性或气硬性胶凝材料。
本发明的应用于水力发电设施的环保涂料的生产工艺,包括以下步骤,按质量比把改性聚乙烯醇缩甲醛胶或水性环氧树脂,同无机材料、颗粒填料、人造纤维、天然矿物纤维材料、高分子材料助剂、混合充分,最后均匀密封。
本发明的有益效果是,无机材料与基液加以人工合成纤维、高分子材料助剂,使管道与涂料形成有机整体,杜绝了涂料层得开裂,使得涂料防水性能优良,具有质密性,使管道隔绝空气;涂料能在物体表面形成由封闭颗粒连接在一起的三维网络空心结构,再由天然纤维材料和高分子材料助剂隔绝,这样的颗粒之间形成了一个个叠夹的静态空气组,也就是一个个隔热保温单元,涂料的导热系数为0.04-0.06W/m.K。并且,本专利整体上达到防结露防腐蚀性能强的效果,附着性强、抗伸缩性、耐候性、成本低、环保型强,使用过程不产生环境污染,对于水电站管道和设施方面的投入,降低较大的成本,达到非常好的效果,施工过程操作方便。
具体实施方式
为能进一步了解本发明的特征、技术手段以及所达到的具体目的、功能,下面结合具体实施方式对本发明作进一步详细描述。
实施例1
取以下产品:改性聚乙烯醇缩甲醛胶15、无机材料40、天然矿物纤维材料4、人造纤维1.5、高分子材料助剂4、颗粒填料25;
生产工艺:按质量比把改性聚乙烯醇缩甲醛胶,同无机材料、颗粒填料、人造纤维、天然矿物纤维材料、高分子材料助剂、混合充分,最后均匀密封。
施工工艺:
A、先做防锈处理,确保预涂基材表面清洁、坚实。
B、按以上配比取料,施工前先搅拌均匀,采用刮涂方法直接涂布。
C、当要求防结露环境温差较大时,要求涂布厚度增加,以多次涂布增加厚度,等前次涂料干燥后再做下次涂布施工。
D、为加快涂膜干燥速度,应增加施工场地的通风。
E、可根据现场要求做不同颜色涂装,最后结束完成施工。
实施例2
取以下产品:水性环氧树脂20、无机材料35、天然矿物纤维材料3、人造纤维2、高分子材料助剂3、颗粒填料20;
生产工艺、施工工艺同上述相同;
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 (5)

1.一种应用于水力发电设施的环保涂料,其特征在于,每100重量份涂料中,含有以下组分:
基液 10%-20%   无机材料 30%-50%   天然矿物纤维材料2%-5%
人造纤维 1%-2%   高分子材料助剂2%-5%   颗粒填料20%-30%
所述基液为改性聚乙烯醇缩甲醛胶或水性环氧树脂。
2.根据权利要求1所述的应用于水力发电设施的环保涂料,其特征在于,所述颗粒填料为聚苯乙烯泡沫颗粒或中空玻化微珠其他闭孔颗粒状保温材料。
3.根据权利要求1所述的应用于水力发电设施的环保涂料,其特征在于,所述人造纤维为聚丙烯纤维。
4.根据权利要求1所述的应用于水力发电设施的环保涂料,其特征在于,所述无机材料为水硬性或气硬性胶凝材料。
5.根据权利要求1所述的应用于水力发电设施的环保涂料,其特征在于,包括以下步骤,按质量比把改性聚乙烯醇缩甲醛胶或水性环氧树脂,同无机材料、颗粒填料、人造纤维、天然矿物纤维材料、高分子材料助剂、混合充分,最后加以改性聚乙烯醇缩甲醛胶或水性环氧树脂搅拌均匀密封。
CN201410003140.4A 2014-01-04 2014-01-04 一种应用于水力发电设施的环保涂料 Pending CN104761962A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108690987A (zh) * 2018-05-25 2018-10-23 阮保国 金属结构腔体内部长效防腐

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108690987A (zh) * 2018-05-25 2018-10-23 阮保国 金属结构腔体内部长效防腐

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Application publication date: 20150708