Qingdao BLS Engineering & Machinery Co., Ltd
The self-cleaning crusher has a flexible rubber plate inside and uses direct drive. It is mainly used for grinding raw materials. It adopts rotor rotation and has the characteristics of non-adhesiveness, compact structure, good grinding effect, easy installation, and maintenance.
Structure and Principle:
The self-cleaning crusher is mainly composed of a shell, rotor, chains, and a transmission device. The shell has a feeding inlet and cleaning door. The rotor is equipped with chain plates, where interlaced chains are hanged. There is a reasonable gap between the rotor and the cylinder wall. The shell material is specially designed to prevent adhesiveness.
Working Principle:
When powered by an electric motor, the rotor and chains rotate together. Materials enter through the inlet and are crushed, then pushed to the blocking ring and dropped to the lower layer. The materials are beaten in turn, impacted, dropped, and gradually ground before being discharged from the bottom outlet.
| Symptom | Possible Reasons | Remedy |
|---|---|---|
| The equipment can’t start when powered on | 1. Blown fuse 2. Damaged or stuck bearing 3. Electric motor failure or improper wiring |
1. Replace fuse 2. Replace bearing 3. Check motor and wiring |
| Vibrates and runs unsteadily | 1. Damaged bearing 2. Damaged or dropped chains 3. Loose fixing bolt |
1. Replace bearing, add oil 2. Reinstall or replace chains 3. Tighten bolts |
| Unusual sound in operation | 1. Damaged bearing or lack of oil 2. Damaged chains or chain break 3. Damaged/disconnected shaft coupling 4. Electric motor phase missing 5. Loose foundation bolt 6. Foreign matter inside |
1. Replace bearing, add oil 2. Replace or weld chains 3. Replace/adjust shaft coupling 4. Check power cord 5. Tighten bolts 6. Remove foreign matter |
| Deep sound or low material output | 1. Material adhesion 2. Too wet material 3. Blocked feeding inlet |
1. Clean adhesions 2. Reduce water content 3. Clear blockage |
| Large particle size after grinding | 1. Damaged chains 2. Broken or dropped chains 3. Low voltage reduces speed 4. Damaged rubber drum |
1. Replace chains 2. Reinstall or replace chains 3. Check and restore motor voltage 4. Replace rubber drum |
| Name | Specification | Quantity |
|---|---|---|
| FQ600 | Bearing: 7311B | 2 |
| Rubber drum: Φ600×500 | 1 | |
| Sealing ring: 55-72-8, 65-90-10 | 2 | |
| Chain: φ12 | 6 | |
| FQ800 | Bearing: 7216B | 2 |
| Rubber drum: Φ800×500 | 1 | |
| Sealing ring: 75-95-10, 90-120-12 | 2 | |
| Chain: φ14 | 6 |
Transmission Bearings (2 total): Two refill ports for lithium grease lubrication.
| Lubrication Point | Lubricant | Oil Filling Time | Oil Change Interval | Fuel Amount |
|---|---|---|---|---|
| Transmission Bearing | Lithium Grease | Once a week | Every 3 months | 1/2 of bearing chamber |
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Qingdao BLS Engineering & Machinery Co., Ltd has over 16 years of experience in manufacturing fertilizer equipment and accessories, specializing in customized production lines for compound and organic fertilizers.
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