| 摘要 |
PURPOSE: A digestion tank is provided to improve digestion tank efficiency by efficiently crushing scum in the digestion tank, and to easily separate gas attached to sludge particles while agitating sludge without a stagnant region of the sludge. CONSTITUTION: A digestion tank includes the following: a first case(10) including a small cylindrical part(12) and is combined to a large cylindrical part; the large cylindrical part(11) of which bottom is closed; a second case(20) fixed on the center of the bottom on the large cylindrical part; a plurality of communication parts(30); a plurality of first and second partition wall parts(41,42) stretched on an inner wall of the second case; a communication line connected to a compressed gas line; and a valve opening and closing the communication line. |
