Daily maintenance and care of grain drying towers is a key port to ensure their normal operation, extend service life and reduce the failure rate. The following are some specific maintenance and care measures:
I. Daily maintenance
1) Cleaning work:
● Surface cleaning: Wipe the surface of the dryer equipment with a soft cloth or special cleaning tools every day to remove dust and debris.
● Internal cleaning: Clean the residue in the grain drying tower regularly to avoid blockage and corrosion. When cleaning, pay attention to check and clean the lint and other impurities in the dust box.
2) Inspection and adjustment:
● Gas source and circuit: Before starting the dryer machine, check whether the gas source triplex is normal, whether the circuit part is worn, aged or detached, and ensure that the circuit is working properly.
● Transmission parts: Check the support wheels, bearings and other parts of the transmission system to ensure their normal operation. For easily worn parts such as belts, check their tension and adjust them if necessary.
● Combustion system: Regularly check the cleanliness of the burner and whether the fuel pipeline has problems such as rupture or aging to ensure that the burner and fuel pipeline are working properly.
3) Temperature and air volume control:
● According to the drying requirements of different grains, regularly adjust the temperature and air volume of the grain drying tower to achieve the best drying effect.
4) Safe operation:
● During the operation, there must be skilled operators on site, and no idle personnel around.
● Do not touch the burner and other high-temperature parts with your hands when working, and do not put your hands into the hopper when feeding grain.
● When troubleshooting, wait for the drying machine to stop running before operating.
2. Regular maintenance
1) Monthly maintenance:
● Open the back cover and use a soft cloth to clean the inside of the drying equipment, especially the hard-to-reach corners.
● Add lubricating oil to moving parts such as bearings to reduce wear and friction.
● Check and tighten the bolts of parts that are easy to loosen after the earthquake.
2) Annual maintenance:
● Carry out a more comprehensive inspection, including the grounding of the grain drying equipment, whether the fixing bolts of the base are loose, etc.
● Check the flexibility and accuracy of control systems such as computer boards, and update and optimize them if necessary.
● Carry out a comprehensive inspection of the electrical control system to ensure the reliable operation of all components.
3) Seasonal maintenance:
● After the end of the operating season, clean up the residual particles and weeds in the grain dryer machine, remove the exhaust hose and other vulnerable parts, and keep them properly.
● Exposed wires should be handled to prevent damage by animals such as rats.
● Close all channel openings. If they are not used for a long time, the conveyor belt and transmission belt should be loosened to reduce stress concentration.
3. Other precautions
● Moisture content measurement: When the grain drying tower is equipped with an automatic moisture content measuring device, its reading should be checked regularly for correctness and corrected if necessary.
● Batch circulation: For grain drying towers with batch circulation, the hourly dehydration rate should be controlled within a reasonable range to avoid excessive dehydration and grain damage.
● Secondary drying: For the drying of grains with different moisture contents in the same batch, the secondary drying method can be used to improve the drying efficiency and effect.
In summary, the daily care and maintenance of grain drying towers involves many aspects, requiring operators to have professional knowledge and skills. Through regular and meticulous care and maintenance, the stable operation and efficient operation of the grain drying tower can be ensured.
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