17
Member of Exel group
DRT7142
B - 2023/06
2.5.5. Recycled powder supply to th box powder (powder recovery phase before a change of colour
or end of production)
During a colour change or at the end of production with recovery of work in progress. The recycled powder coming
from the bottom of the cyclone is transported by the flip flop system of the sleeve valves to the powder box. Airs
T21A and T22A are transport airs to evacuate the powder to the tank. The sleeve valves QR10 and QR24 are closed.
2.5.6. Blowing of the recycled powder supply circuit
The powder ducts are cleaned alternately from the air tank to the tank (EVM21 and QR 48 closed), from the air tank
to the ventilation (QR10&EVM21 closed), from the air tank to the cyclone (QR10&QR48 closed).
DES09283
KK24
KK548 KK510 KK524
QR48
QR24
QR10
N225
EVM22
Air T21A
Air T22A
EVM21
Powder
tank
Air tank
Evacuation
smoke
ventilation
Powder
box
Powder flow
Manual connection
(quick connector)
ventilation or recycling
DES09284
KK24
KK548 KK510 KK524
QR48
QR24
QR10
N225
EVM22
Air T21A
Air T22A
EVM21
Powder
tank
Air tank
Evacuation
smoke
ventilation
Powder
box
Air flow
Evacuation to
ventilation
Manual connection
(quick connector)
ventilation or recycling