| 摘要 |
PROBLEM TO BE SOLVED: To improve working efficiency and protect the health of workers by improving the environment workplace through an air cleaning device having a high dust-removing capacity. SOLUTION: A primary filter 6 is provided at a suction port 3 in front of a suction unit main body 1 and a secondary filter 6 is provided behind the primary filter 5. A tank 9 is provided on the bottom of the suction unit main body to store water and pump the water up by a pump 10 to blow the water against the primary filter through an injection nozzle 11 and wash down powder- dust, adhered to the filter 5. The suction unit main body 1 is connected to an air outlet unit main body 2 through a duct 13 to circulate and clean air in a room. |
