... , moto , gas seperate , depositing tank , cooling pool , cooling pipes , oil tank , water seal , furnace , desulfrization deduster , water film cyclone . chimney ... to help combustion .2, Depositing systemWe separate heavy oil , impurity out of oil gas with two tanks . Gas separate and depositing ... down to the bottom of the tank itself , and light oil gas rise up itself , then through pipes into the ...