尾管管路串油工艺

1. 串油程序：

1) 所有管子在安装前必须经过酸洗处理，然后管子每一端的法兰都必须用保护罩

密封以防有杂质进入；

All pipe to be cleaned with acid before pipe installation and protected from the impurities by covering each ends.

2) 在串油油柜中注满串洗用油（与艉管工作油标号相同），使用的临时滤器必须

安装带磁性的滤网，按照附图将串油油柜、临时油泵、临时滤器与滑油管连接好；

System oil to be filled in tank and filter element with magnetic bars to be installed in the temporary filter，the stern tube and seal to be by-passed by temporary piece.

3) 串洗用油在串油时必须通过临时加热器使之保持在40-50°C .

The system oil to be heated up to 40-50°C by temporary heater.

4) 向系统中注油，启动清洗油泵；

Pour the L.O. into the system, and start the flushing pump.

5) 一般情况下应该连续串油24小时，在前12小时滤器必须每2小时清洗一次，

在剩下的12小时内滤器每4小时清洗一次；

System oil to be circulated for about 24 hours.

Filter to be cleaned every 2 hours for the first 12 hours and cleaned every 4 hours for the remaining hours.

6) 如串油的结果船东代表满意的话，就将整个系统的管子连接好，拆去临时管路

及临时设备，向整个系统中注油；

The system oil to be filled in all part if the cleaning condition satisfies owner’s representative.

2. 艉管、滑油柜及艉管内的管子的处理；

The dispose of lube oil tank、stern tube and the pipe in the stern tube

1) 清洗滑油柜及艉管内部，并经船东、船检检验通过；

Washing the inner of the stern tube and lube oil tank, and get a approval of ship owner and ABS inspection;

2) 用N2吹洗艉管内的管子；

To below the pipes that in the stern tube by N2.

3. Note:

注：

1) 如必需，临时滤器安装于临时管路上；

Temporary filter to be fitted on the temporary pipe if necessary.

2) 串油时，必须用木棰或振荡器间隙地敲打管路，特别是焊接部分和弯头部分；

Wooden hammer or vibrator shall be intermittently used during flushing，especially at the welding part and the bending part;

3) 具体的串油时间主要根据串油的情况由船东定；

Flushing time to be determined as the flushing condition principally.

4) 串洗用油在净化后应能被回收利用；

The system oil that has been used for flushing shall be reused after purification.