Filtering method and a filtering machine therefor
Abstract
Abstract A FILTERING METHOD WHEREIN SOMIC OR ULTRASOMIC OSCILLATION IS GIVEN TO LIQUID TO BE FILTERED AND FLOWING INTO THE DIRECTION NORMAL TO THE SURFACE OF THE FILTER MEDIUM IN SUCH A MANNER THAT SAID LIQUID IS OSCILLATED ALONG A DIRECTION PARALLED TO THE SURFACE OF SAID MEDIUM, WHEREBY THE LIQUID TOGETHER WITH IMPURITY PARTICLES THEREIN IS CAUSED TO MOVE WITH A PREDETERMINED ANGLE SMALLER THAN 90 DEGREE WITH RESPECT TO THE SURFACE OF THE FILTER MEDIUM SO THAT IMPURITY PARTICLES HAVING DIAMETERS MUCH SMALLER THAN THE INTERNAL DIAMETER OF THE PORES PENETRATING THE MEDIUM NEVER ENTER SAID PORES. THUS, IMPURITY PARTICLES MUCH SMALLER THAN SAID PORES CAN BE REMOVED, RESULTING IN NO NEED OF HOGWASHING OF THE FILTER MEDIUM FOR A LONG PERIOD OF TIME. THE PRESENT INVENTION IS FURTHER CONCERNED WITH A FILTERING MACHINE FOR PERFORMING SAID METHOD. D R A W I N G
Inventors
- 👤 J Sasaki
Bibliographic Details
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