Title:
フィルタープレスのケーキブロー方法
Document Type and Number:
Japanese Patent JP7449467
Kind Code:
B2
Abstract:
To provide a cake blow method that switches to reverse blow when detecting that an air flow rate passing through a cake during normal blow starts increasing.SOLUTION: A cake blow method of a filter press performs normal blow for removing moisture in a cake generated in a filtering chamber 4 by supplying air from a raw liquid supplying side, and then performs reverse blow for removing moisture in the cake by supplying air from a filtrate discharging side. In the cake blow method of the filter press, a reference change rate H0 of an air flow rate is set in advance, and a reference flow rate Q0 of the air flow rate is set during the normal blow. By measuring the air flow rate, a change rate H with respect to the reference flow rate Q0 is calculated from a measured value Q. By switching to the reverse blow when the change rate H becomes the reference change rate H0 or more, air can be supplied into the cake in a short time during the reversed blow, so that an air supply flow rate can be reduced.SELECTED DRAWING: Figure 4
Inventors:
Toshiya Ichinose
Masayoshi Katayama
Masayoshi Katayama
Application Number:
JP2021000745A
Publication Date:
March 14, 2024
Filing Date:
January 06, 2021
Export Citation:
Assignee:
Ishigaki Co., Ltd.
International Classes:
B01D25/12
Domestic Patent References:
| JP8052307A | ||||
| JP2001334110A | ||||
| JP4219106A | ||||
| JP63151314A | ||||
| JP2004261689A | ||||
| JP61015715A |
Foreign References:
| EP0346312A1 |