... gauge, Thermometer, safety valve, cooling pipes,water seal, oil-water separator) 3 Cooling system(10cooling pipes, cooling tower and cooling pool) 4 Oil store ... seal, combustible gases burner) 6 Dust removal system(draft fan, high pressure water nozzle,chimney) 7 Black slag system( ... need extra waste gas to heat.Dust removal device Draft fan & high pressure water nozzle & chimney Remove the smoke ...