抽空控制
Aimed at the problems that sucker rods of the ground drive screw pump break and collars thread off frequently, the frequency conversion timing equipment of screw pump wells and the automatic control system are developed.
针对地面驱动螺杆泵抽油杆断、脱频繁,单井提液调参难以控制等问题,开发了螺杆泵井的变频调速装置及自动控制系统。
From the angles of power-sending system design, fire fighting pump, electromatic fire fighting roller, smoke and air exhauster, non-fire fighting power cutting off and so on, the design of the fire fighting linkage control system of modern multi storeyed buildings is discussed.
从配电系统设计、消防水泵、电动防火卷帘、排烟风机、非消防电源切断等几方面对现代化高层建筑的消防联动控制系统的设计进行了探讨。
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