VAF instruments VISCOSENSE 2, Техническое руководство

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24
7 OPERATING INSTRUCTIONS
操作指南
Figure 13
图
13
7.1 INITIAL START-UP
启动
The initial start-up should always be done with diesel oil.
初始启动应总是在柴油下进行。
1. Fill the complete fuel system with diesel oil.
将柴油完全充分地注入燃油系统。
2. Open block valves (K and M) and bypass valve (L)
打开主管路截止阀
(K
和
M)
以及旁通阀
(L)
。
3. Allow diesel oil to enter the fuel system
让柴油进入燃油系统
4. Vent the fuel system
给系统通风
5. Start the booster pump in the fuel system and after approximately 15 minutes close bypass valve
(L)
打开系统增压泵，大约
15
分钟后关闭旁通阀门
(L)
。
6. Switch on power supply to the ViscoSense
®
2 system. Depending upon the viscosity of the liquid it
can take up to 30 seconds, before the first reading appears. This is due to the automatic signal
gain control.
接通电源，视系统中燃油黏度，大约需
30
秒左右方可获得
(
读出
)
第一个数值。这是由于信号自动接
收控制引起。
7. Gradually change over to HFO.
逐渐地换成重油。
7.2 SHUT-DOWN ON HEAVY FUEL OIL
关闭重油
Maintain heat tracing on the ViscoSense
®
2 sensor housing after shut-down, to prevent clogging of
the fuel to the sensor internal parts.
在关闭重油后，保持传感器仓室热源，以防止燃油堵塞探头内部部件。