Title:
フィルタープレスのケーキ洗浄方法
Document Type and Number:
Japanese Patent JP7390580
Kind Code:
B2
Abstract:
To provide a cake washing method of a filter press capable of shortening a washing time by starting washing at a detection timing that cake in a filtration chamber is in a state suitable for washing.SOLUTION: In a cake washing method of a filter press performing cake washing in a filtration chamber by supplying a washing liquid after pressing a stock solution into the filtration chamber and squeezing with a diaphragm, a used amount of the washing liquid can be reduced since the cake washing can be performed in a short time by starting a forward washing step after finishing a primary squeezing step when pressure rise is not continuously changed for a prescribed period after pressure in a stock solution supply path is measured at the primary squeezing step and the measured pressure starts to rise.SELECTED DRAWING: Figure 6
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Inventors:
Masayoshi Katayama
Application Number:
JP2020216000A
Publication Date:
December 04, 2023
Filing Date:
December 25, 2020
Export Citation:
Assignee:
Ishigaki Co., Ltd.
International Classes:
B01D25/12
Domestic Patent References:
| JP6304415A | ||||
| JP54095078A | ||||
| JP2095404A | ||||
| JP59006911A | ||||
| JP2000334222A | ||||
| JP2020049452A |
Foreign References:
| CN207805146U |