Main cause and solution of material blockage failure of two-stage crusher

August 31, 2022

The pulverizer is a widely used equipment in industrial production. According to different working principles, different structural features and different uses, the pulverizer has dozens of seed products, among which the market share of several double pulverizers is high. Covering the industry, it can quickly and efficiently pulverize coal gangue, cinder, shale and other materials. This machine is equipped with a high-alloy wear-resistant hammer head, which avoids the defect that the traditional pulverizer hammer is not durable, and reduces the huge production expenditure for the customers in the future production. The two-stage pulverizer is an excellent performance equipment, but it does not mean that it will not malfunction. Some quality problems in the equipment itself, or some improper operation will cause failures. The material clogging is double-stage pulverization. Machine zui is common, and it is also a kind of malfunction that Zui has a headache. So what are the main causes of material blockage failure in the two-stage crusher? How to deal with it quickly and efficiently?

The main cause and quick solution for the material blockage failure of the two-stage crusher 1. The hammer is broken or aged, the mesh hole is closed or worn, and the water content of the crushed material is too high, which is the main reason for the double-stage crusher.

Solution: The broken and severely aged hammers should be regularly updated to maintain a good working condition of the two-stage pulverizer, and the screen should be inspected regularly. The moisture content of the pulverized material should be less than 14%, which can improve production efficiency and make The two-stage pulverizer is not blocked, which enhances the reliability of the two-stage pulverizer.

2. The feed rate is too fast, and the load increase will also cause material blockage.

Solution: During the feeding process, always pay attention to the large deflection angle of the ammeter pointer. If the rated current is exceeded, it indicates that the motor is overloaded and will overload the motor for a long time. In this case, the door should be immediately reduced or closed, and the way of feeding can be changed. The feeder is controlled to increase the amount of feed. There are two types of feeders: manual and automatic. Users should select the appropriate feeder according to the actual situation. Due to the high speed and load of the two-stage pulverizer, the load volatility is strong. Therefore, the current of the two-stage pulverizer is generally controlled at about 85% of the rated current.

3. The discharge pipe is not smooth or the feed is too fast, which will block the air inlet of the double-stage crusher; improper matching with the conveying equipment will cause the wind of the discharge pipe to be weakened or blocked after no wind.

Solution: After detecting the fault, clear the delivery equipment that does not match the delivery port, adjust the feed amount, and make the equipment operate normally.

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