The PLC is the core of the catalyst automaticfeedcontrol system. It can improve the FCCU automation control level.
以PLC为核心的催化剂自动加料控制系统，可以提高催化裂化装置的自动控制水平。
2
Side feeding is adopted in order to give full play to grinding efficiency, should choose feeder which can feed evenly and automaticcontrol to cooperate with.
粉碎机侧面进料，为充分发挥粉碎效率，应选用喂料量均匀、能自动控制的喂料器与之相配套。
3
The paper develops an automaticcontrol system of walking velocity on combine based on feed quantity, and designs its hardware and software.