To provide a vacuum filtration device that is operable by easily setting a feed rate of the scraper blade of an optimal scraping device, regardless of the concentration and property of a waste water, in the precoat-type vacuum filtration device.
A precoat-type vacuum filtration apparatus 16 includes a filtration bath 36 and a filter drum 38, and a scraping device 46 with a scraper blade 48. A control device 86 is attached which is connected to a filtrate flow measurement device 82 as well as an indication input means 88 and a display means 90. The indication input means 88 set a feed rate of the scraper blade 48 with a plurality of points, which is fed to a blade feed driving means via the control device 86 to control the scraper blade to the set feed rate. Also, a mechanism is provided which automatically acquires flow measurement data from the filtrate flow measurement device 82 corresponding to the set feed rate of the scraper blade 48 of the scraping device 46, and which makes the display means 90 display the data.
KONO YUZO
HAYASHI KAZUHIRO
HAYASHI YOSHIYUKI
NISHIKAWA SHINTARO
| JPS6219221A | 1987-01-28 | |||
| JPS5221075U | 1977-02-15 | |||
| JP2010234325A | 2010-10-21 | |||
| JP2001062212A | 2001-03-13 | |||
| JP2001009218A | 2001-01-16 | |||
| JPS6219221A | 1987-01-28 | |||
| JPS5221075U | 1977-02-15 |
Michiko Ema
Chiori Ueda
Toshiyuki Ando