... tank , cooling pool , cooling pipes , oil tank , water seal , furnace , desulfrization deduster , water film cyclone . chimney , draft fan , and ... We put fuels ( coal , wood , charcoal , fuel oil ) into furnace for heating reactor . Here are blowers to help combustion .2, Depositing ... function is for safe . We have valves on it . Usually , we use one pipe to connect water seal and furnace . ...