Along with the automation level of oil field enhancement daily, now the massive measuring instruments and the control system already or soon no longer adapted the production request.
随着油田自动化水平的日益提高，现在正在大量使用仪器仪表和控制系统已经或者即将不再适应生产的要求。
The actuality and problems of atmospheric pressure storage product oil storage field in the automatic control and management level is presented.
主要阐述了常压储存成品油库的整体自动化管理和控制水平现状及存在的问题。
The invention realizes the continuous adjustment for variable flow of rolling oil so as to improve the control level for cooling of rolling mill and satisfy the machining demand for nonferrous metal.
本发明实现了对轧制油连续变流量调节，有利于提高轧机冷却控制水平，满足有色金属加工之要求。
The application of transducer in the crude oil buffer tank 's liquid level control system in introduced.
介绍了变频器在液位控制系统中的实际应用。
Oil extraction control system in the oil field is mainly used to measure the level of the oil underground and extract oil intelligently.
油田采油控制系统主要是用来测量油田液面高度并进行智能采油的系统。
Water level control is an important problem in design work for oil refining and chemical factory.
锅炉给水自动调节在炼油、化工设计中是一个非常重要的问题。
The MCU is used to control emission and receiving of the ultrasound, and compute the oil-level.
采用单片机控制超声发射与接收，并经温度补偿后计算出油位，使检测具有高智能性。
And PID control method is singly adopted for water level control and steam pressure control of the fuel oil boiler.
其中对大型船舶锅炉的水位和蒸汽压力分别采用了PID控制。
The regulating valve is a very important component in the control system of oil pipeline , and its flow property will affect the control level.
调节阀是输油管道控制系统的重要组成部分，其流量特性对控制质量影响很大。
Therefore, the detection of oil-water interface is the important link to realize the auto-control of water level in oil tank.
因此，油水界面检测是实现储油罐水位自动控制的重要环节。
Therefore, the detection of oil-water interface is the important link to realize the auto-control of water level in oil tank.
因此，油水界面检测是实现储油罐水位自动控制的重要环节。
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