DMF Recovery System
Automatic control programs
To achieve a more stable operating system, improve the operating environment, saving manpower, this recovery system set up smart meter centralized control system, the CPC set means 22 sets of automated control loop, the main control loop:
- DMF waste feed flow automatic adjustingsystem, actuator uses inverter.
- Level two towerfeed liquid automatic adjusting system, actuator uses inverter.
- Evaporation tank feed liquid level automatic adjustingsystem, actuator uses inverter.
- Deacidification tower feed liquid levelautomatic adjusting system, actuator uses pneumatic control valve film.
- DMF finished material flow automatic adjustingsystem, actuator uses inverter.
- Evaporation tanktemperature automatic adjusting system, actuator uses pneumatic control valve film.
- Distillation towertemperature automatic adjusting system, actuator uses pneumatic control valve film.
- Deacidification towertemperature automatic adjusting system, actuator uses pneumatic control valve film.
- Deamination towertemperature automatic adjusting system, actuator uses pneumatic control valve film.
- Level 1 concentrating toweroverhead tank liquid level automatic adjusting system, actuator uses inverter.
- Level 2 concentrating toweroverhead tank liquid level automatic adjusting system, actuator uses inverter.
- Distillationtower overhead tank liquid level automatic adjusting system, actuator uses inverter.
- Deacidification toweroverhead tank liquid level automatic adjusting system, actuator uses inverter.
- Level 1 concentrating tower overheadvacuum automatic adjusting system, actuator uses pneumatic control valve film.
- Level 2 concentrating tower overheadvacuum automatic adjusting system, actuator uses pneumatic control valve film.
- Distillationtower overhead vacuum automatic adjusting system, actuator uses pneumatic control valve film.
- Deacidification toweroverhead vacuum automatic adjusting system, actuator uses pneumatic control valve film.
- Level 1 concentrating tower return flow automatic adjustingsystem, actuator uses inverter.
- Level 2 concentrating tower return flow automatic adjustingsystem, actuator uses inverter.
- Distillationtower return flow automatic adjusting system, actuator uses inverter.
- Deamination towerliquid level automatic adjusting system, actuator uses inverter.
- Deamination toweroverhead water tank level automatic adjusting system, actuator uses inverter.
DMF recovery system technical parameters
- DMF waste liquid impuritiesrequirements
- Soluble impurities ≤0.03%;
- Insoluble impurities ≤0.03%;
- Waste pH 6.5≤PH≤7.5
- DMF finished product quality of the (Synthesis level DMF)
- Moisture ≤300 ppm
- Formic acid ≤30ppm
- Dimethylamine ≤25ppm
- Conductivity ≤2 μs / cm
