| 摘要 |
PROBLEM TO BE SOLVED: To provide a reaction tank and a method for washing the same, allowing easy washing and sterilization treatment inside the tank before a start of the next treatment when there is a considerable period of time between one treatment and the next treatment.SOLUTION: A reaction tank 3 includes: a liquid flow jet means 26 three-dimensionally jetting a liquid in all directions, the liquid having been supplied to a liquid supply part 41 from a nozzle 42, and spraying a liquid flow to solid matter firmly fixed to the inner wall to peel off the solid matter; a discharge means 22 discharging the peeled-off solid matter from inside the reaction tank 3; and a chemical liquid spray means 27 spraying a chemical liquid into the reaction tank 3. |
