ICS27.140 CCSP59 中华人民共和国能源行业标准 NB/T11886—2025 水电工程砂石系统废水处理设备基本技术条件 Fundamentaltechnicalrequirementsforwastewatertreatingequipmentof aggregatesystemforhydropowerprojects （报批稿） 2025-09-28发布 2026-03-28实施 国家能源局发布NBNB/T11886-2025 I目次 前言..........................................................................................................................................................IV 引言...........................................................................................................................................................V 1范围..........................................................................................................................................................1 2规范性引用文件......................................................................................................................................1 3术语和定义..............................................................................................................................................1 4总体要求..................................................................................................................................................2 5设备分类及应用场景..............................................................................................................................2 6螺旋式砂水分离器..................................................................................................................................3 6.1工作条件.........................................................................................................................................3 6.2性能要求.........................................................................................................................................3 6.3功能要求.........................................................................................................................................3 6.4工作原理及主要结构.....................................................................................................................3 6.5外观要求.........................................................................................................................................3 6.6类型及适用条件.............................................................................................................................3 6.7安装要求.........................................................................................................................................4 7旋流细砂回收装置..................................................................................................................................4 7.1工作条件.........................................................................................................................................4 7.2性能要求.........................................................................................................................................4 7.3功能要求.........................................................................................................................................4 7.4工作原理及主要结构.....................................................................................................................5 7.5外观要求.........................................................................................................................................5 7.6类型及适用条件.............................................................................................................................5 7.7安装要求.........................................................................................................................................5 8旋流净化器..............................................................................................................................................5 8.1工作条件.........................................................................................................................................5 8.2性能要求................................................................................................................................