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三、实验研究图五所示的实验装置,由三个贮槽Ⅰ、Ⅱ、Ⅲ串联而成,它可以代表一类化工过程的控制对象。图中,循环水量由泵1产生,经调节阀和转子流量计1送至贮槽Ⅰ、Ⅱ、Ⅲ。通过阀1、阔2、阀3和阀7、阀8的切换,可以组成各种形式的流程,得到各种不同的控制对象。在我们的试验中,只有阀1是打开的。每个贮槽的出口装有恒节流
Third, the experimental study Figure 5 shows the experimental device, consisting of three storage tanks Ⅰ, Ⅱ, Ⅲ in series, it can represent a class of chemical process control object. The figure, the circulating water produced by the pump 1, the regulator valve and rotor flow meter 1 to the storage tank Ⅰ, Ⅱ, Ⅲ. Through the valve 1, wide 2, valve 3 and valve 7, valve 8 switch, you can form various forms of flow, get a variety of different control objects. In our test, only valve 1 is open. The outlet of each tank is filled with constant throttling