CN105567052A - 一种离心泵叶轮用粉末涂料 - Google Patents

一种离心泵叶轮用粉末涂料 Download PDF

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CN105567052A
CN105567052A CN201610077656.2A CN201610077656A CN105567052A CN 105567052 A CN105567052 A CN 105567052A CN 201610077656 A CN201610077656 A CN 201610077656A CN 105567052 A CN105567052 A CN 105567052A
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曹珠明
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Abstract

本发明公开了一种离心泵叶轮用粉末涂料，涉及粉末涂料技术领域，由如下重量份数的原料制成：酚醛树脂80-90份、丁基橡胶15-20份、钠基膨润土13-18份、聚苯醚10-15份、海泡石粉10-15份、硅藻泥8-12份、棕榈蜡6-10份、羟乙基纤维素6-10份、烷基糖苷5-8份、卡拉胶4-6份、纳米二氧化钛4-6份、甲乙酮肟2-3份、异丙醇200-300份。本发明粉末涂料颗粒均匀，喷涂后在180℃下固化15min即可形成致密而坚硬的涂层，从而对叶轮起保护作用，并且该涂层具有优异的耐磨性、耐腐蚀性和耐高低温性，不会出现涂层剥离和腐蚀现象，从而延长叶轮的使用寿命和保证传送介质不受污染。

Description

一种离心泵叶轮用粉末涂料
技术领域：
本发明涉及粉末涂料技术领域，具体涉及一种离心泵叶轮用粉末涂料。
背景技术：
离心泵是利用叶轮旋转而使介质发生离心运动来工作的。离心泵泵在启动前，必须使泵壳和吸管内充满介质，然后启动电机，使泵轴带动叶轮和介质做高速旋转运动，介质发生离心运动，被甩向叶轮外缘，经蜗形泵壳的流道流入离心泵的压水管路。叶轮是离心泵的重要组件，与传送介质直接接触，为了延长叶轮的使用寿命，需要在叶轮上喷涂一层涂料。而目前所用涂料在叶轮使用一段时间后经常出现剥落和腐蚀现象，从而污染传送介质和降低叶轮的使用寿命。
发明内容：
本发明所要解决的技术问题在于提供一种机械性能好、使用寿命长的离心泵叶轮用粉末涂料。
本发明所要解决的技术问题采用以下的技术方案来实现：
一种离心泵叶轮用粉末涂料，由如下重量份数的原料制成：
酚醛树脂80-90份、丁基橡胶15-20份、钠基膨润土13-18份、聚苯醚10-15份、海泡石粉10-15份、硅藻泥8-12份、棕榈蜡6-10份、羟乙基纤维素6-10份、烷基糖苷5-8份、卡拉胶4-6份、纳米二氧化钛4-6份、甲乙酮肟2-3份、异丙醇200-300份；
其制备方法如下：
(1)将酚醛树脂和纳米二氧化钛加入异丙醇中，混合均匀后于微波频率2450MHz、功率600W下微波处理10min，再加入丁基橡胶和聚苯醚，充分混合后继续微波处理10min，然后于超声频率40kHz、功率50W下超声处理30min，即得物料I；
(2)将棕榈蜡加热至60-70℃保温混合，待完全融化后加入钠基膨润土、海泡石粉和卡拉胶，继续加热至90-100℃保温混合10min，即得物料II；
(3)趁热将物料II加入物料I中，混合均匀后静置，待温度自然降至40-50℃后加入硅藻泥、羟乙基纤维素、烷基糖苷和甲乙酮肟，充分混合后送入喷雾干燥机，所得颗粒经粉碎机制成粉末，最后经球磨机球磨至细度小于30μm。
所述硅藻泥由如下重量份数的原料制成：硅藻土70-80份、羟丙基-β-环糊精8-10份、珍珠母粉6-8份、聚乙烯醇4-7份、芒硝3-5份、烟秆灰2-3份、水200-300份，其制备方法为：将硅藻土和羟丙基-β-环糊精加入水中，混合均匀后于微波频率2450MHz、功率600W下微波处理10min，再加入聚乙烯醇和烟秆灰，充分混合后继续微波处理5min，待混合物冷却至室温后送入冷冻干燥机，冷冻浓缩至含水量达到20-25％，最后加入珍珠母粉和芒硝，充分混合均匀。
本发明的有益效果是：本发明以酚醛树脂为主要原料，通过改性和辅以多种功能助剂制得离心泵叶轮用粉末涂料，该粉末涂料颗粒均匀，喷涂后在180℃下固化15min即可形成致密而坚硬的涂层，从而对叶轮起保护作用，并且该涂层具有优异的耐磨性、耐腐蚀性和耐高低温性，不会出现涂层剥离和腐蚀现象，从而延长叶轮的使用寿命和保证传送介质不受污染。
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，下面结合具体实施例，进一步阐述本发明。
实施例1
(1)将80份酚醛树脂和4份纳米二氧化钛加入250份异丙醇中，混合均匀后于微波频率2450MHz、功率600W下微波处理10min，再加入15份丁基橡胶和12份聚苯醚，充分混合后继续微波处理10min，然后于超声频率40kHz、功率50W下超声处理30min，即得物料I；
(2)将8份棕榈蜡加热至60-70℃保温混合，待完全融化后加入13份钠基膨润土、12份海泡石粉和4份卡拉胶，继续加热至90-100℃保温混合10min，即得物料II；
(3)趁热将物料II加入物料I中，混合均匀后静置，待温度自然降至40-50℃后加入8份硅藻泥、6份羟乙基纤维素、7份烷基糖苷和2份甲乙酮肟，充分混合后送入喷雾干燥机，所得颗粒经粉碎机制成粉末，最后经球磨机球磨至细度小于30μm。
硅藻泥的制备：将70份硅藻土和8份羟丙基-β-环糊精加入200份水中，混合均匀后于微波频率2450MHz、功率600W下微波处理10min，再加入6份聚乙烯醇和2份烟秆灰，充分混合后继续微波处理5min，待混合物冷却至室温后送入冷冻干燥机，冷冻浓缩至含水量达到20-25％，最后加入6份珍珠母粉和3份芒硝，充分混合均匀。
实施例2
(1)将90份酚醛树脂和6份纳米二氧化钛加入300份异丙醇中，混合均匀后于微波频率2450MHz、功率600W下微波处理10min，再加入20份丁基橡胶和10份聚苯醚，充分混合后继续微波处理10min，然后于超声频率40kHz、功率50W下超声处理30min，即得物料I；
(2)将10份棕榈蜡加热至60-70℃保温混合，待完全融化后加入15份钠基膨润土、10份海泡石粉和6份卡拉胶，继续加热至90-100℃保温混合10min，即得物料II；
(3)趁热将物料II加入物料I中，混合均匀后静置，待温度自然降至40-50℃后加入10份硅藻泥、8份羟乙基纤维素、5份烷基糖苷和3份甲乙酮肟，充分混合后送入喷雾干燥机，所得颗粒经粉碎机制成粉末，最后经球磨机球磨至细度小于30μm。
硅藻泥的制备：将80份硅藻土和10份羟丙基-β-环糊精加入300份水中，混合均匀后于微波频率2450MHz、功率600W下微波处理10min，再加入4份聚乙烯醇和3份烟秆灰，充分混合后继续微波处理5min，待混合物冷却至室温后送入冷冻干燥机，冷冻浓缩至含水量达到20-25％，最后加入8份珍珠母粉和4份芒硝，充分混合均匀。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施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 (2)

1.一种离心泵叶轮用粉末涂料，其特征在于，由如下重量份数的原料制成：
酚醛树脂80-90份、丁基橡胶15-20份、钠基膨润土13-18份、聚苯醚10-15份、海泡石粉10-15份、硅藻泥8-12份、棕榈蜡6-10份、羟乙基纤维素6-10份、烷基糖苷5-8份、卡拉胶4-6份、纳米二氧化钛4-6份、甲乙酮肟2-3份、异丙醇200-300份；
其制备方法如下：
(1)将酚醛树脂和纳米二氧化钛加入异丙醇中，混合均匀后于微波频率2450MHz、功率600W下微波处理10min，再加入丁基橡胶和聚苯醚，充分混合后继续微波处理10min，然后于超声频率40kHz、功率50W下超声处理30min，即得物料I；
(2)将棕榈蜡加热至60-70℃保温混合，待完全融化后加入钠基膨润土、海泡石粉和卡拉胶，继续加热至90-100℃保温混合10min，即得物料II；
(3)趁热将物料II加入物料I中，混合均匀后静置，待温度自然降至40-50℃后加入硅藻泥、羟乙基纤维素、烷基糖苷和甲乙酮肟，充分混合后送入喷雾干燥机，所得颗粒经粉碎机制成粉末，最后经球磨机球磨至细度小于30μm。
2.根据权利要求1所述的离心泵叶轮用粉末涂料，其特征在于，所述硅藻泥由如下重量份数的原料制成：硅藻土70-80份、羟丙基-β-环糊精8-10份、珍珠母粉6-8份、聚乙烯醇4-7份、芒硝3-5份、烟秆灰2-3份、水200-300份，其制备方法为：将硅藻土和羟丙基-β-环糊精加入水中，混合均匀后于微波频率2450MHz、功率600W下微波处理10min，再加入聚乙烯醇和烟秆灰，充分混合后继续微波处理5min，待混合物冷却至室温后送入冷冻干燥机，冷冻浓缩至含水量达到20-25％，最后加入珍珠母粉和芒硝，充分混合均匀。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108953218A (zh) * 2018-06-29 2018-12-07 三联泵业股份有限公司 一种高效耐磨的双吸泵叶轮及其制备方法
CN109988483A (zh) * 2019-03-26 2019-07-09 安徽省欣雨环卫机械有限公司 一种环卫电动车用耐低温抗裂涂料及其制备方法

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