Title:
CLEANING METHOD FOR EXHAUST GAS TREATMENT FACILITY
Document Type and Number:
WIPO Patent Application WO/2023/189307
Kind Code:
A1
Abstract:
This exhaust gas treatment facility comprises a combustion chamber 1 for applying combustion treatment to wastewater, a nozzle for causing water to flow along the inner wall surface of the combustion chamber 1, a water supply line for supplying water to the nozzle, a primary wet scrubbing chamber 11, and a scrubber 20, etc. When removing a solid matter from the scrubber 20, an alkaline-based cleaning agent solution is injected to a bottom water tank 44 from a chemical dispensing device 50, and a circulation pump 23 is actuated to spray water from a nozzle 21. Cleaning is finished if the detected pH by pH meters 52, 53 maintains a defined pH for at least a prescribed time.
Inventors:
HARASHIMA SHINGO (JP)
TSUKAMOTO KAZUMI (JP)
KIMURA TAKANOBU (JP)
TSUKAMOTO KAZUMI (JP)
KIMURA TAKANOBU (JP)
Application Number:
PCT/JP2023/008699
Publication Date:
October 05, 2023
Filing Date:
March 08, 2023
Export Citation:
Assignee:
KURITA WATER IND LTD (JP)
International Classes:
B01D47/06; B01D53/68; B01D53/78; B08B3/02; B08B3/08; F23G7/06; F23J15/04
Foreign References:
| JP2012187476A | 2012-10-04 | |||
| JPH11147019A | 1999-06-02 | |||
| JP2002336642A | 2002-11-26 | |||
| JP2008284547A | 2008-11-27 | |||
| JPS5155778A | 1976-05-17 | |||
| JPS50154175A | 1975-12-11 | |||
| JPS57199044U | 1982-12-17 |
Attorney, Agent or Firm:
SHIGENO, Tsuyoshi et al. (JP)
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