... Note:1. The main machine, the device host 2 . The connecting pipe, 219mm diameter3. The deduster 4. Water tank 5. The water ... pump, 1.5kw6. The connecting pipe, 50mm diameter 7. Spray thrower8. The connecting pipe, 325mm diameter 9. The draught fan, 4kw10 ... of smoke from the hearth will come through 2) the connecting pipe to 3) the deduster. Finally, before discharging the smoke, it ...