When operating the molecular sieve purification system: pay attention to the installation requirements of the molecular sieve absorber, when the molecular sieve absorber is running, when the working state of the refrigerator, when the air compressor starts, when thesmall air separation unit is parked, pay attention to the working state of each piece of equipment.
1．The installation requirements of the molecular sieve absorber: to carefully check whether the upper and lower sieves are damaged; whether the molecular sieve is filled and leveled; carefully seal the inner and outer manholes to prevent mutual cascading of gas.
2．When the molecular sieve absorber is in operation, regularly monitor the molecular sieve temperature curve and the export carbon dioxide content, check whether the work of the absorber is normal, and closely monitor the switching procedure of the absorber and whether the switching differential pressure is normal.
3. Pay close attention to whether the work of the freezer is normal. In case of short-term failure, causing the air outlet temperature to rise, the switching cycle of the absorber should be shortened in time and the machine fault should be eliminated.
4. The air compressor should be started up slowly to prevent the air flow rate from being too large.
5．When thesmall air separation unit parking, the rear absorber air valve should be closed immediately, so as to avoid the airflow speed is too fast and impact the molecular sieve bed， when it restarted.
Dear Air Separation equipment production technology is mature and standardized, to ensuresafe operation and maintenance, stable and efficient operation of small air separation units.
