... firewood, the black smoke) to the dedusting system to make smoke clean. This draught fan is 4.5kw. Other is one oil pump and a ... water pumo, it is 1.5kw, not use always. So the total electricity costs, max ... .The electric control cabinet 13. The heating chamber and burners 14. The Magnetic rings 15. Waste gas collecting system 16. Chimney 17. Water pump 18. Oil pump ...