单螺杆泵前管路中增设缓冲罐，在缓冲罐里储存一定量的原油，并用一套限流装置给混输泵供给一定量的原油。
B, single screw pump before adding buffer tank in pipeline, the buffering can store a certain amount of crude oil, and a current limiting device for mixture pumps supply a certain amount of crude oil.
当射嘴保护罩未关闭时射台不能前移，螺杆也不能有动作。电脑要有显示提示射嘴保护罩未关。
The carriage should not move forward, when the nozzle cover is opened. There should also be no screw movements. The monitor should display the message, informing about the opened nozzle cover.
前辊筒便向调整螺杆方向移动，使辊距增大而避免炼胶机辊筒或机架的损坏，起到安全的作用。
Before the rollers and adjust to screw so that the roll from the direction and avoid refined rubber machine increases the damage of the frame rollers or act as a security role.
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