How to prevent the crushing equipment from blocking

How to prevent the crushing equipment from blocking

Because the operating current of the heavy-duty slat conveyor under the crusher has a good correlation with the material in the lower cavity, and each time the crusher trips due to too much material in the lower cavity, the electric current of the slat conveyor exceeds a fixed The peak value (38A), the no-load current is also a fixed value (18A). Therefore, according to the current characteristics of the slat conveyor, a solution is formulated.

That is, an electric bell and an alarm flashing light are installed at the discharge port of the crusher, which is directly connected to the relay in the electrical cabinet. When the slat conveyor reaches a set current value (such as 33A), the relay is pulled in, the alarm starts to flash, and the electric bell also sounded. If the downstream equipment stops and the current of the slat conveyor is zero, the sound and light alarm will also prompt. After receiving the alarm prompt, the minecart driver will stop pouring the material to prevent the material from being blocked.

The set alarm current value of the slat conveyor should be appropriate, neither too low nor too high. If the crushing cavity is too low, the material will often be cut off, and the stone will hit the plate conveyor; if the setting is too high, the lower cavity will have too much material, and the buffer space will not be enough. If the downstream equipment fails, it will easily cause the crusher to block the material. Practice has proved that the setting value of 33A not only ensures the continuous and stable discharge of the crusher, but also leaves enough buffer space for the lower cavity of the crusher, which can effectively prevent material blockage.

The method is simple, reliable and low-cost. Since the implementation, the crusher has never had the phenomenon of material blockage, which also reduces the labor burden of workers and improves the production efficiency of the crusher.

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