... pipes,heavy tank ,oilwater separator,condenser,light oil tank,safety device,vacuum system,dedusting system,draft fan,chimmey. The keys ... accident. 4. with professional thermometer , professiona pressure gauge and safety valve. 5. It is dangerous to buning exhaust gas(C1 to ... our process, it is transferred first through the safty device and a safety burning air muzzle. Before burning, we should ensure ...