| 摘要 |
PROBLEM TO BE SOLVED: To provide a fumigation device capable of fumigating a stored material without carrying out the stored material from a storage tank and simply performing a fumigation work, because a fumigation gas can directly be supplied into the storage tank through a sleeve. SOLUTION: A sleeve 21 is inserted into a penetrated hole 20 opened in the body 12 of a door device of a storage tank, and a plug 30 for closing the outside opening 21a of the sleeve 21 is detachably attached to the sleeve 21. The end portion of a gate 36 for opening or closing the inside opening 21b of the sleeve 21 is pivotally attached in a state capable of being rotated on the pin 37 of a support frame 35, and a male screw member 38 capable of engaged with a female screw 39 formed in the inside flange 24 of the sleeve 21 is rotatably attached to the free end portion of the gate 36. When a stored material is fumigated, the male screw member 38 is disengaged from the female screw 39 to open the gate 36. Subsequently, a hose for charging a fumigation gas is attached to the outside end of the sleeve 21, and the fumigation gas is supplied into the storage tank. |
