| 摘要 |
<p>PROBLEM TO BE SOLVED: To make a malodorous gas feed rate to many air diffusing pipes as uniform as possible and to control the malodorous gas feed rate to the air diffusing pipe at the part where blow off phenomenon occurs. SOLUTION: Relating to the soil deodorizing device that a main duct 13 for sending out the malodorous gas from a malodorous gas introducing pipe 11 and many air diffusing pipes 14 branched in the same interval from the main duct 13 and dispersing and releasing the malodorous gas are disposed under a soil layer, a damper 16 for controlling the malodorous gas feed rate is provided for the diffusing pipes 14 arranged in a vicinity of one end part or both end parts of the main duct.</p> |
