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5.4 Production of ClO
2
5.4.1 Operation modes
The system has to be set up according to the application. After starting up the production, the system runs automatically. Two operation
modes are available.
Operation with internal batch tank
ClO
2
solution is generated in the reaction tank and stored temporarily in the internal batch tank. While the ClO
2
solution is dosed into the
line system, a new batch is produced in the reaction tank. The system can produce 1 to 20 batches or produce continuously.
Operation with external batch tank
ClO
2
solution is continuously generated in the reaction tank and temporarily stored in the internal batch tank. The ClO
2
dosing pump is not
used for dosing into the line system, but to fill an external batch tank.
5.4.2 Production process
Fig. 13 ClO
2
production process
TM06 0169 5113
operator starts production
level K2 reached
HCl pump stops
NaClO
2
pump starts
level K3 reached
NaClO
2
pump stops
reaction time starts
level K4 reached
yes
empty
continuous production?
level K1 reached
solenoid valve closes
HCl pump starts
level in internal batch tank rises above K5
solenoid valve closes
wait until internal batch tank is empty
level in internal batch tank falls below K5
solenoid valve opens with delay
no
full
internal batch tank?
production terminated
solenoid valves opens
reaction time elapsed
solenoid valve opens
level K1 reached
waiting time starts
content of reaction tank flows into
internal batch tank
solenoid valve closes
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