⎝⎛星力捕鱼⎞⎠

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Industry Information
Correct use and maintenance of flow meters
2011-11-3 14:25:48

   在试运行和正常运行中,流量计的使用应注意以下 几个 问题: When we buy the flowmeter back, we have to take a look at this flowmeter. In the trial operation and normal operation, the use of the flowmeter should pay attention to the following issues:
  
试运行 Test run
  
新选型设计的 还是 新安装的流量计测量系统 过我们的 安装检查 ,确认 无误后,应 进行试运行工作 检验。 Whether it is a newly selected design or a newly installed flowmeter measurement system ; after our installation inspection , after confirming that it is correct, it should be tested for trial operation .

试运行工作 中,必须按照 下述程序进行 In the trial operation , we must follow the following procedures :
首先, 关闭流量计 开关阀和调节阀 ;再, 缓慢打开旁通阀。 1. First, close the on- off valve and regulating valve of the flow meter ; then, slowly open the bypass valve.
最后, 启动流量计工作。 2. Finally, start the flowmeter.

     When starting the flowmeter , there are some problems:

     . 对带有电气远传积算的流量计,先接电源线和好信号线,进行预热。 For the flowmeter with electrical remote transmission integration, first connect the power line and good signal line to preheat.

     先缓慢打开流量计前的开关阀 再缓慢打开流量计后的调节阀 最后缓慢关闭旁通阀门 使流量计在正常流量下工作 Our solution is: first slowly open the on-off valve in front of the flowmeter ; then slowly open the regulating valve after the flowmeter ; and finally slowly close the bypass valve to make the flowmeter work at normal flow .

被测流体的温度很高, 与环境温度的温差 非常的 When the temperature of the measured fluid is very high, and the temperature difference from the ambient temperature is very large .

计量系统进行预热 ;使得 流量计和管路系统慢慢升温 ,这样才能确保 流量计正常 工作。 Our solution is: pre-heat the metering system at this time ; make the flowmeter and piping system warm up slowly to ensure the normal operation of the flowmeter .

之后,我们 观察记录各项运行参数的变化 状态 温度、压力等 3. After that, we observe and record the changes of various operating parameters , such as temperature and pressure .

系统没有 大的振动、噪声和泄漏 情况 ;并且, 稳定运行一段时间后,试运行结束。 If the system does not have much vibration, noise and leakage ; and, after a period of stable operation, the trial operation ends.
  
正常运行 normal operation
  
运行正常 后,就可以 投入正常运行 After we run normally , we can put it into normal operation .

使用和维护 操作人员应 做好以下几 方面 During the operation, the use and maintenance of the flow meter ; the operator should do the following :

定期对测量系统进行检查、维护 1. Regularly inspect and maintain the measurement system .

     流量计 、阀门和管路系统 进行检查。 Operators inspect flowmeters , valves and piping systems .

a . 安全阀、限流阀和报警器等保护设备 b . 流量显示仪表、记录装置、补偿装置等流量辅助设备 c . 过滤器、消气器等配套设备 The maintenance of the equipment by the operator mainly includes: a . Protection devices such as safety valves, flow limiting valves and alarms ; b . Flow auxiliary devices such as flow display instruments, recording devices, compensation devices ; c . Ancillary equipment such as filters and aerators .

,我们必须按照 试运行时的顺序进行 操作 2. To start and shut down the flowmeter , we must operate in the order of trial operation .

压力 温度 流量 粘度等参数 ;看看这些参数是不是符合 流量计的使用范围。 3. In normal operation, the operator must pay attention to the pressure , temperature , flow rate , viscosity and other parameters of the measured medium at all times ; see if these parameters meet the scope of use of the flow meter.
安装好 流量计 ,正确使用和及时 维护 非常 重要。 Concluding remarks: In order to install the flowmeter , proper use and timely maintenance are very important.