| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a vacuum truck which has mounted thereon a sewage storage tank for storing sewage sucked from a septic tank, wherein the vacuum truck is comprised of a deodorization tank for successively flowing exhaust discharged from the sewage storage tank through three liquid tanks to remove bad smell noxious components, respectively. <P>SOLUTION: The vacuum truck is comprised of the thin box-shaped deodorization tank in a thin box-shaped cavity secured between the sewage storage tank and a driver seat box. The deodorization tank is formed of a water or an acescent water tank section, a diluted alcoholic aqueous solution tank section, and a perfume-containing liquid tank section. Each deodorization tank section has arranged therein an introducing pipe for introducing therein the exhaust containing a bad smell discharged from the sewage storage tank, and bubbling the same. Further a conduit for leading the bad smell discharged from the sewage storage tank to the deodorization tank, has an ozone gas adding and mixing means, arranged at some midpoint thereof, for adding and mixing ozone gas into the exhaust. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
