Title:
METHOD FOR SUPPRESSING DEPOSITION OF SUSPENDED SUBSTANCE, METHOD FOR SUPPRESSING PITCH TROUBLE, AND METHOD FOR DETECTING DEPOSITION OF SUSPENDED SUBSTANCE
Document Type and Number:
Japanese Patent JP2021107611
Kind Code:
A
Abstract:
To provide a new method for suppressing the deposition of a suspended substance, a method for suppressing a pitch trouble, and a method for detecting the deposition of suspended substances that can be used for such methods, capable of reducing the occurrence of defective articles caused by deposits or pitches generated from a storage tank by appropriately controlling an oxygen-containing gas, a slime control agent or a pitch control agent when a papermaking facility is continuously operated.SOLUTION: The method for suppressing the deposition of suspended substances in the present invention is a method for suppressing the deposition of a suspended substance in water at the bottom of a tank arranged in an aqueous system in a papermaking facility, comprising: a step of blowing an oxygen-containing gas into water to perform stirring and aeration; a step of detecting a change with time in the state of the presence of the suspended substance in the tank due to stirring and aeration; and a control step of supplying at least one of the oxygen-containing gas and a slime control agent into the tank based on the detection result to suppress the deposition of the suspended substance in the tank.SELECTED DRAWING: Figure 1
Inventors:
KATSURA HIROKI
Application Number:
JP2021078810A
Publication Date:
July 29, 2021
Filing Date:
May 06, 2021
Export Citation:
Assignee:
KURITA WATER IND LTD
International Classes:
D21H21/02; D21F1/00
Domestic Patent References:
| JP2015017334A | 2015-01-29 | |||
| JP2004017005A | 2004-01-22 | |||
| JP2019015427A | 2019-01-31 |
Foreign References:
| WO2012070644A1 | 2012-05-31 | |||
| WO2006137183A1 | 2006-12-28 |
Attorney, Agent or Firm:
Hayashi Ichiyoshi
Yuichi Niiyama
Yuichi Niiyama