CA1203407A - System for washing pulp - Google Patents
System for washing pulpInfo
- Publication number
- CA1203407A CA1203407A CA000419916A CA419916A CA1203407A CA 1203407 A CA1203407 A CA 1203407A CA 000419916 A CA000419916 A CA 000419916A CA 419916 A CA419916 A CA 419916A CA 1203407 A CA1203407 A CA 1203407A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- liquid
- tank
- drum
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005406 washing Methods 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 135
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 17
- 239000000706 filtrate Substances 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000010790 dilution Methods 0.000 description 27
- 239000012895 dilution Substances 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000002002 slurry Substances 0.000 description 7
- 239000007921 spray Substances 0.000 description 5
- 238000011217 control strategy Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 239000013055 pulp slurry Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
- D21F9/02—Complete machines for making continuous webs of paper of the Fourdrinier type
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34912782A | 1982-02-16 | 1982-02-16 | |
US349,127 | 1982-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1203407A true CA1203407A (en) | 1986-04-22 |
Family
ID=23371021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000419916A Expired CA1203407A (en) | 1982-02-16 | 1983-01-20 | System for washing pulp |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA1203407A (sv) |
FI (1) | FI830170L (sv) |
SE (1) | SE8206112L (sv) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4869784A (en) * | 1988-03-21 | 1989-09-26 | Seymour George W | Controlling water input to pulp washing system based on measurements on reduced dimension stream |
US4994145A (en) * | 1989-03-02 | 1991-02-19 | Seymour George W | Process for producing a constant distribution of a selected property across the width of pulp mat on a pulp washing surface |
US6074522A (en) * | 1997-08-01 | 2000-06-13 | Seymour; George W. | Process to optimize pulp washing variables |
-
1982
- 1982-10-28 SE SE8206112A patent/SE8206112L/sv not_active Application Discontinuation
-
1983
- 1983-01-19 FI FI830170A patent/FI830170L/fi not_active Application Discontinuation
- 1983-01-20 CA CA000419916A patent/CA1203407A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4869784A (en) * | 1988-03-21 | 1989-09-26 | Seymour George W | Controlling water input to pulp washing system based on measurements on reduced dimension stream |
US4994145A (en) * | 1989-03-02 | 1991-02-19 | Seymour George W | Process for producing a constant distribution of a selected property across the width of pulp mat on a pulp washing surface |
US6074522A (en) * | 1997-08-01 | 2000-06-13 | Seymour; George W. | Process to optimize pulp washing variables |
Also Published As
Publication number | Publication date |
---|---|
FI830170L (fi) | 1983-08-17 |
SE8206112D0 (sv) | 1982-10-28 |
FI830170A0 (fi) | 1983-01-19 |
SE8206112L (sv) | 1983-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU504509A3 (ru) | Способ изготовлени нетканного волокнистого материала | |
US4138313A (en) | Method and apparatus for continuously washing fibrous suspensions and controlling the volume of wash liquid | |
US3654075A (en) | Control system for paper refiners utilizing mass rate and machine property compensation | |
US4096028A (en) | Feed forward control of dissolved solids in a countercurrent separation and washing zone | |
CA2009926C (en) | Producing constant distribution of selected property across width of pulp mat on pulp washing surface | |
EP0728984A1 (en) | System for monitoring and control of the circulation lubrication of the bearings of cylinders and rolls in a paper machine | |
CA1203407A (en) | System for washing pulp | |
US4732651A (en) | Method for monitoring and controlling a pulp washing system | |
US5996604A (en) | Apparatus and method for providing process water used for making or processing a fiber suspension | |
CA2336616A1 (en) | Foam process implementation using fuzzy controllers | |
US3271241A (en) | Stock supply system for papermaking machines including control of stock consistency and stock flow | |
US4746405A (en) | System for cellulose pulp washing control | |
US4840704A (en) | Controlling characteristics of a pulp mat on a pulp washing surface | |
CA2086324C (en) | Pressurized dynamic washer | |
US6200421B1 (en) | Apparatus and process for feeding stock to a papermachine | |
US4273612A (en) | Process and apparatus for continuously washing aqueous fibrous suspensions and controlling the volume of wash liquid | |
CA1284556C (en) | Process for controlling pulp bleaching systems | |
JP2000504070A (ja) | 抄紙機に紙料を供給するための装置及び方法 | |
US5122229A (en) | Apparatus and method for washing cellulosic pulp | |
US6464836B2 (en) | Variable hydraulic pulse drainage cylinder former | |
US6248213B1 (en) | Procedure for washing the fabrics of a paper machine or equivalent | |
US4889599A (en) | Apparatus for continuously measuring the soda loss in a pulp washing system | |
US3086905A (en) | Apparatus and process for continuously testing and controlling stock freeness | |
Bennington | Mixing in the pulp and paper industry | |
US6339859B1 (en) | Control system for a filtrate splitting device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |