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绝缘子水泥胶合剂表面起皮开裂影响因素探讨

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Keywords: 起皮开裂,绝缘子,水泥胶合剂,蒸汽养护

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Abstract:

主要研究了电瓷绝缘子经过蒸汽养护以后,水泥胶合剂表面出现起皮开裂现象的各种可能性因素。通过对水泥胶合剂的原材料应用、胶装组件、养护条件三方面进行针对性试验,发现直接影响水泥胶合剂表面起皮开裂的主要因素有胶合剂水分、减水剂种类及用量、蒸汽养护温度及养护过程中冷水注入。在胶合剂的配制过程中,对水分、减水剂的种类及用量进行有效控制,在产品的蒸汽养护阶段,严格控制冷凝水不能过早集聚在胶合剂表面,养护温度控制在50℃以下,保证空间内温度均匀,可以有效避免水泥胶合剂表面起皮开裂现象出现。

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