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电力电缆的敷设及防护

一、电力电缆的敷设及防护

  1. 电缆选型
    • 搅拌站内部电力电缆需采用阻燃、不燃、耐油、防腐、防晒、防潮等特性的电缆。这些电缆能够在恶劣的工作环境中保持稳定的性能,确保电力传输的安全性和可靠性。
    • 常用电缆型号如YCW、YCWu、YC、YCu、WDZ(YCZ、YCWZ)等,均具备上述特性,适用于搅拌站等重型机械设备的工作环境。
  2. 敷设要求
    • 电缆敷设应遵循国家相关标准,如《建设工程施工现场供用电安全规范》(GB 50194-2014)等,确保电缆敷设的规范性和安全性。
    • 电缆敷设应合理简洁,避免过度弯曲和拉扯,以减少电缆的损耗和故障率。
    • 在需要穿越道路、人行道等区域时,应采用地下敷设方式,以保障电缆的安全性和减少外界干扰。
  3. 防护措施
    • 电缆接头应牢固可靠,并采取相应的防水、防潮措施,以防止接头处因受潮而引发故障。
    • 电缆敷设路径上应设置明显的标识和标记,以便于日常维护和检修。
    • 定期对电缆进行巡检和维护,及时发现并处理潜在的安全隐患。

二、信号电缆的敷设及防护

  1. 电缆选型
    • 信号电缆应选用屏蔽电缆,以有效防止电磁干扰和信号衰减,确保信号传输的准确性和稳定性。
    • 屏蔽电缆的屏蔽层应完整无损,且接地良好,以充分发挥其屏蔽效果。
  2. 敷设要求
    • 信号电缆的敷设应遵循国家相关标准,如《额定电压U0/U 450/750V及以下控制、监视回路及保护线路的连接线》等。
    • 电缆敷设应尽量避免与电力电缆等强电线路交叉敷设,以减少电磁干扰。
    • 电缆敷设路径应清晰明确,并设置相应的标识和标记,以便于日常维护和检修。
  3. 编号与标记
    • 各电缆端子应有永久性编号,编号应唯一、简明清晰、易于识别,以便于维修和管理。
    • 电缆应标明走向标记,包括起点、终点、路径等信息,以便于在需要时快速定位电缆位置。

综上所述,搅拌站内部电力电缆和信号电缆的敷设及防护需严格按照国家相关标准执行,选用符合要求的电缆产品,并采取有效的防护措施和编号标记方法,以确保电缆系统的安全、可靠运行。

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