... refining plant 1,reasonable price 2,practical machine 3,high oil yield 4,environmental JZ ... cooling pool , cooling pipes , oil tank , water seal , furnace , desulfrization deduster , water film cyclone . chimney , draft fan ... coal , wood , charcoal , fuel oil ) into furnace for heating reactor . Here are blowers to help combustion .2, ... or not about the machine willwelcome . welcome to our factory .