Title:
気相式と満液式の連続蒸解缶に用いるトップセパレーターおよび蒸解缶運転モードの転換方法
Document Type and Number:
Japanese Patent JP4488788
Kind Code:
B2
Abstract:
A method for converting a vapor phase continuous digester to a hydraulic digester including the steps of: operating the vapor phase digester in a vapor phase mode wherein a chip slurry enters the vessel of the digester through a lower chip inlet port, moves up through a top separator, discharges from an upper chip discharge chute of the separator to an upper vapor region of the vessel and falls to a liquor filled region of the vessel; ceasing the flow of the chip slurry to the separator; establishing a chip slurry flow path to an upper portion of top separator, and filling the vessel with liquor and chips such that the chip discharge chute is immersed in liquor.
Inventors:
Keith P. Vogel
John F. Boreth
Patrick Jay Sullivan
C. Bertil Stromberg
John F. Boreth
Patrick Jay Sullivan
C. Bertil Stromberg
Application Number:
JP2004140757A
Publication Date:
June 23, 2010
Filing Date:
May 11, 2004
Export Citation:
Assignee:
Andritz Incorporated
International Classes:
D21C7/06; D21C1/00; D21C1/10; D21C3/24; D21C3/26; D21C7/00; D21C7/08; D21C7/14; D21C
Domestic Patent References:
| JP10331085A | ||||
| JP2000154486A | ||||
| JP2002201580A | ||||
| JP51009402B1 |
Foreign References:
| US6086717 |
Attorney, Agent or Firm:
Shizuo Nakamura