Maintenance Standard of Organic Fertilizer Dryer Equipment
- The processing surfaces on the two bearing bases of the organic fertilizer rotary drum dryer equipment are on the same level, the center spacing tolerance is 1mm, the longitudinal centerline non-parallelism is biased by 0.5mm, and the horizontal centerline is biased by 0.5mm per meter.
- The spherical contact surface of the shoe seat should have an average contact angle, no less than 1-2 points per 50*50mm2,the contact surface of the hollow shaft and the shoe should be 90°-100° no less than 2 points per square inch, the journal and the bearing. Theside clearance is approximately the same.
- The mating surface of the barrel flange of the organic fertilizer dryer equipment and the front end cover should ensure good contact, and no gaskets are allowed. The tolerance of the two hollow shafts is less than 0.8mm. When the large gear ring and the cylinder end cover are connected and assembled and corrected, the thrust should be consolidated, and the positioning pin should be installed. The radial swing of the ring gear is not more than 0.5mm, and the axial swing is not more than 0.84mm. (Dryer price)
- When installing the lining board of the organic manure fertilizer drying equipment, the end cover should be installed first. The lining of the cylinder should start from the entrance and stop according to the assembly request. The screws should be tightened evenly and no water leakage. There should be no gaps in the rubber liner, and sponges should be used to block the gaps.
- The centerline of the small gear of the organic fertilizer dryer and the centerline of the large gear should be parallel, and the deviation should not be greater than 0.2mm per meter. The tooth tip clearance is 1/4 modulus, the tooth side clearance is 1.06-1.8mm, and the contact area of the tooth surface of the drum organic fertilizer dryer is not less than 50% of the tooth length and 40% of the tooth height.
- The transmission coupling of the reducer, motor and drive shaft of the dryer should adhere to a high degree of coaxiality, the different axis of the centerline should not be greater than 0.3mm, and the inclination of the centerline should be less than 1/1000.
The scrap standard of some wearing parts of organic fertilizer dryer equipment:
- The wear of bearing bush is more than 1/3 of its thickness.
- The wear of the pinion surface of the organic fertilizer rotary dryer should not be more than 30% of the tooth thickness, and the wear of the tooth surface of the large ring gear should be more than 25% of the tooth thickness. .
- The distortion of the rim of the ring gear should not be greater than 7.5mm.
- When the hollow shaft surface has grooves, spots, or part of its inner surface is worn through, the hollow shaft is deformed or cracked, etc., should be changed.