白俄罗斯别列佐夫400MW联合循环电站 天然气调压站及前置系统运行维护手册
白俄罗斯别列佐夫400MW联合循环电站天
然气调压及前置站系统
运行手册
前 言
为满足白俄罗斯别列佐夫400MW联合循环电站项目天然气调压站及前置系统生产运行的需要，根据天然气行业各技术标准及规定，结合厂家资料、设计图纸、天然气站系统典型运行规程以及本电站生产现场的实际情况，制定本规程。
编制单位：中国机械设备工程股份有限公司
白俄罗斯别列佐夫400MW联合循环电站 天然气调压站及前置系统运行维护手册
目录
1 说明
1.1 天然气及环境数据表 ............................................................................................................ 1.2 概述 ........................................................................................................................................
2 安全操作总则 ................................................................................
2.1 安全警告 ................................................................................................................................
2.2 天然气的易燃性 ....................................................................................................................
3 入口单元 ........................................................................................
3.1 系统主要组成及功能描述.....................................................................................................
3.2 技术数据及图纸 .................................................................................................................... 3.2 阀门状态 ................................................................................................................................ 3.4 操作原理 ................................................................................................................................ 3.5 安全监控设备 ........................................................................................................................ 3.6 操作说明 ................................................................................................................................
3.6.1操作准备 ...................................................................................................................... 3.6.2初始操作 ...................................................................................................................... 3.6.2.1氮气置换 ......................................................................................................... 3.6.2.2充天然气 .................................................................................................................. 3.6.3运行操作 ...................................................................................................................... 3.6.4停车检修 ...................................................................................................................... 3.6.5长期停车 ...................................................................................................................... 3.7 运行过程中的功能、保护测试 ............................................................................................. 3.8 运行设置 ................................................................................................................................
4 过滤单元 ........................................................................................
4.1 系统主要组成及功能描述.....................................................................................................
4.2 技术数据和图纸 .................................................................................................................... 4.3 阀门状态 ................................................................................................................................ 4.4 操作原理 ................................................................................................................................ 4.5 安全与监控装置 .................................................................................................................... 4.6 操作说明 ................................................................................................................................
4.6.1操作准备 ...................................................................................................................... 4.6.2初始操作 ...................................................................................................................... 4.6.2.1氮气置换 .................................................................................................................. 4.6.2.2充天然气 .................................................................................................................. 4.6.3操作 .............................................................................................................................. 4.6.4停车检修 ......................................................................................................................
白俄罗斯别列佐夫400MW联合循环电站 天然气调压站及前置系统运行维护手册
4.6.5全厂长期停车 .............................................................................................................. 4.6.6运行中的功能与保护检测 .......................................................................................... 4.6.7运行设置 ...................................................................................................................... 4.7 过滤器的维护说明 ................................................................................................................
5 计量单元 ........................................................................................
5.1 系统主要组成及功能描述.....................................................................................................
5.2 技术数据及图纸 .................................................................................................................... 5.3 阀门状态 ................................................................................................................................ 5.4 操作原理 ................................................................................................................................ 5.5 操作说明 ................................................................................................................................
5.5.1操作准备 ...................................................................................................................... 5.5.2初始操作 ...................................................................................................................... 5.5.2.1氮气置换 .................................................................................................................. 5.5.2.2充天然气 .................................................................................................................. 5.5.3操作 .............................................................................................................................. 5.5.4停车检修 ...................................................................................................................... 5.5.5全厂长期停车 ..............................................................................................................
6 水浴炉加热单元 .............................................................................
6.1 系统主要组成及功能描述.....................................................................................................
6.2 技术数据及图纸 .................................................................................................................... 6.3 阀门状态 ................................................................................................................................ 6.4 操作说明 ................................................................................................................................
6.4.1操作准备 ...................................................................................................................... 6.4.2初始操作 ...................................................................................................................... 6.4.2.1氮气置换 .................................................................................................................. 6.4.2.2充天然气 .................................................................................................................. 6.4.3运行操作 ...................................................................................................................... 6.4.4停车检修 ...................................................................................................................... 6.4.5长期停车 ...................................................................................................................... 6.5 控制说明 ................................................................................................................................ 6.6 运行设置 ................................................................................................................................
7 启动锅炉调压单元 .........................................................................
7.1 系统主要组成及功能描述.....................................................................................................
7.2 技术数据及图纸 .................................................................................................................... 7.3 阀门状态 ................................................................................................................................ 7.4 操作说明 ................................................................................................................................
7.4.1操作准备 ...................................................................................................................... 7.4.2初始操作 ...................................................................................................................... 7.4.2.1氮气置换 .................................................................................................................. 7.4.2.2充天然气 .................................................................................................................. 7.4.3运行操作 ......................................................................................................................
白俄罗斯别列佐夫400MW联合循环电站 天然气调压站及前置系统运行维护手册
7.4.4停车检修 ...................................................................................................................... 7.4.5长期停车 ......................................................................................................................
8 其他单元 ........................................................................................
8.1 系统主要组成及功能描述.....................................................................................................
8.2 技术数据及图纸 .................................................................................................................... 8.3 操作说明 ................................................................................................................................
9 天然气调压站系统设备维护 ...........................................................
9.1 维护工具 ................................................................................................................................
9.2 定期维修 ................................................................................................................................ 9.3 故障检修 ................................................................................................................................
9.3.1概述 .............................................................................................................................. 9.3.2拆卸及重新组装 .......................................................................................................... 9.3.3维修后的性能测试 ...................................................................................................... 9.3.4故障检修 ......................................................................................................................
10 压缩机单元 ................................................................................ .. 11 前置系统………………………………………………………………
11.1 过滤单元 ................................................................................................................................ 11.1.1 系统主要组成及功能描述………………………………………………………….. 11.1.2 技术数据和图纸…………………………………………………………………….. 11.1.3 阀门状态…………………………………………………………………………….. 11.1.4 操作原理…………………………………………………………………………….. 11.1.5 安全与监察装置…………………………………………………………………….. 11.1.6 操作说明……………………………………………………………………………. 11.1.7 过滤器维护说明…………………………………………………………………….
11.2 紧急切断和放散单元 ........................................................................................................ 11.2.1系统主要组成及功能描述………………………………………………………….. 11.2.2 技术数据和图纸…………………………………………………………………….. 11.2.3 阀门状态…………………………………………………………………………….. 11.2.4 操作原理…………………………………………………………………………….. 11.2.5 安全与监察装置…………………………………………………………………….. 11.2.6 操作说明……………………………………………………………………………. 11.2.7 运行过程的功能, 保护测试………………………………………………….……
11.3 维护 ...................................................................................................................................... 11.3.1 维护工具…………………………………………………………………………….. 11.3.2 定期维修…………………………………………………………………………….. 11.3.3 故障维修……………………………………………………………………………..
12 氮气系统…………………………………………………………… ….
12.1 氮气系统的开机操作 ........................................................................................................ 12.2 氮气系统关机操作 ............................................................................................................
白俄罗斯别列佐夫400MW联合循环电站 天然气调压站及前置系统运行维护手册
12.3 氮气系统的阀门状态表 .................................................................................................... 12.4 制氮机的故障分析 ................................................................................................... 12.5 设备的日常检查维护内容 ........................................................................................ 12.6 系统常见问题的处理方法 ........................................................................................ 12.7 制氮机的维护，保养 ............................................................................................... 12.8 耗材的更换周期 ......................................................................................................
13 天然气系统事故处理……………………………………………….…