Title:
ろ過材洗浄方法及びろ過材洗浄システム
Document Type and Number:
Japanese Patent JP7175300
Kind Code:
B2
Abstract:
To provide a filter medium washing method and a filter medium washing system where problems such as uneven washing and the reattachment of fouling are not caused by ensuring the washing degree of the filter medium with a simple equipment constitution when washing the filter medium using an air mixing jet pump.SOLUTION: In a filter medium washing method,: the drawing of a filter medium 202 from a filter 201 and the washing of the drawn filter medium 202 are performed with air-mixed jet water having a water temperature of, for example, 10-50°C; the filter medium 202 is further washed one or more times with air-mixed jet water having a water temperature of, for example, 10-50°C; the filter medium 202 washed two or more times and drainage after washing are separated by a sieve machine 213; and the drainage after washing after separated by the sieve machine 213 is used for the first washing with the air-mixed jet water.SELECTED DRAWING: Figure 4
More Like This:
| JP2006068649 | FILTER MEDIUM |
| JPS5463464 | PRESSURE FILTER EQUIPPED WITH CYCLONE |
| JPS6064607 | TAKING-OUT OF STRATUM FILTERING MATERIAL FOR POND AND LAKE BOTTOM |
Inventors:
Tsuyoshi Yoshida
Keita Yamada
Yusuke Oshima
Keita Yamada
Yusuke Oshima
Application Number:
JP2020186025A
Publication Date:
November 18, 2022
Filing Date:
November 06, 2020
Export Citation:
Assignee:
Nippon Steel Corporation
Nippon Steel Environment Co., Ltd.
Nippon Steel Environment Co., Ltd.
International Classes:
B01D41/02; B01D45/12; B03B5/00; B08B3/02; B08B5/02; C02F1/52
Domestic Patent References:
| JP2020078785A | ||||
| JP2006130427A | ||||
| JP2010000459A |
Attorney, Agent or Firm:
Yasuhiko Moto
Previous Patent: Program, method and computer
Next Patent: ELECTROPHOTOGRAPHIC DEVICE AND ELECTROPHOTOGRAPHIC METHOD
Next Patent: ELECTROPHOTOGRAPHIC DEVICE AND ELECTROPHOTOGRAPHIC METHOD