PDF《Directed Inspection & Maintenance》

2002 减压阀 孔板流量计 其他流量计 末端开口管线 控制阀 压缩机密封 曲轴箱泄漏 连接管 泵密封 压力调节器 阀门 排气

6 6 Methane Losses 甲烷损失 Compressor Seal PC PC Compressor FC DC LC TC VC FTS FC LC LC C o n t a c t o r Energy Exchange Pump Dehydrator Reboiler Pressure Relief Valve Drain Valve Pneumatic Controller 压缩机 压缩机密封 减压阀 气动力学 控制器 泄水阀 脱水器 能量交换泵 再沸器 密封盖

7 7 How Much Methane is Emitted? 甲烷泄漏量

1 C Excluding leakage into flare system 1-不包括泄漏进点火系统的气体损失 1.85 53.5 25,281 13,530 Combined 1.75 36.2 5,983 2,166

4 1.66 63.6 9,982 6,346

3 2.32 64.6 5,847 3,777

2 1.78 35.7 3,469 1,240

1 Percentage Components Leaking 泄漏设备百分比 (%) Contribution By Top

10 Leak Sources 前10位泄漏源所 占比例 (%) Gas Losses From All Leak Sources 所有泄漏源 气体损失 (m3/day) Gas Losses From Top

10 Leak Sources 前10位泄漏源气 体损失 (m3/day) Plant Number 设备编号 Summary of Natural Gas Losses from the Top Ten Leak Sources1 Note: Numbers may not add up due to rounding 注意:因为循环,设备数量不增加 前十位泄漏源天然气损失总结

8 8 Methane Recovery: Directed Inspection &

Maintenance (DI&

M) 甲烷回收:定向检修(DI&

M) ? Fugitive losses can be reduced dramatically by implementing a DI&

M program 应用DI&

M程序可以明显降低逃逸损失 Infrared Leak Imaging Camera 红外泄漏照相机 C Voluntary program to identify and fix leaks that are cost effective to repair 检测和维修泄漏的自动程序 C Choice of leak detection technologies 泄漏检测技术选择 C Provides valuable data on leakers with information of where to look 提供关于泄漏的有价值信息 C Strictly adapted to company'

s needs 严格符合公司需要 C Cost-effective practice, by definition 定义有效费用实践

9 9 ? Technical documents available in Chinese 中文技术文献 Methane Recovery: Directed Inspection &

Maintenance (DI&

M) 甲烷回收:定向检修(DI&

M)

10 10 How Do You Implement DI&

M? 如何实施DI&

M? SCREEN and MEASURE leaks ESTIMATE repair cost, fix to a payback criteria DEVELOP a plan for future DI&

M RECORD savings CONDUCT baseline survey FIX on the spot leaks 记录保存 制定将来DI&

M计划 调整回收标准,评估维修费用 现场泄漏维修 检查和测量泄漏 进行基线调查

11 11 How Do You Detect the Leaks? 如何检测泄漏? ? Screening - find the leaks 检测-查找泄漏 C Soap bubble screening 肥皂泡检测 C Electronic screening (sniffer) 电子检测 C Toxic Vapor Analyzer (TVA) 有毒蒸汽分析仪(TVA) C Organic Vapor Analyzer (OVA) 有机蒸汽分析议(OVA) C Ultrasound Leak Detection 超声波泄漏检测 C Acoustic Leak Detection 声波泄漏检测 C Infrared Leak Detection/Imaging 红外泄漏检测/照相 Acoustic Leak Detection Toxic Vapor Analyzer 有毒蒸汽分析仪 声波泄漏检测

12 12 How Do You Measure the Leaks? 如何测量泄漏? ? Evaluate the leaks detected - measure results 泄漏评估-测量结果 C High Volume Sampler 大容积取样器 C TVA (correlation factors) 有毒蒸汽分析仪(相关因子) C Rotameters 转子流量计 C Calibrated Bag 校准袋 C Engineering Method 工程方法 Leak Measurement Using High Volume Sampler 用大容积取样器测量泄漏

13 13 How Do You Implement DI&

M? 如何实施DI&

M? $$$ ??? Infrared Leak Detection 红外泄漏检测 $$ ?? Rotameter 转子流量计 $$$ ??? High Volume Sampler 大容积取样器 $$ ? Calibrated Bagging 校准袋 $$$ ? TVA (Flame Ionization Detector) TVA(火焰电离检测器) $$$ ?? Acoustic Detector/ Ultrasound Detector 声波/超声波检测器 $$ ? Electronic Gas Detector 电子气体检测器 $ ?? Soap Solution 肥皂泡方法 Approximate Capital Cost Effectiveness 效率 Instrument/ Technique 仪器/技术 Summary of Screening and Measurement Techniques 检测技术总结 * - Least effective at screening/measurement 检测最小效率 *** - Most effective at screening/measurement 检测最大效率 $ - Smallest cost 最小费用 $$$ - Largest cost 最大费用 大约资本费用