CA1335191C - Screening method and apparatus for light reject removal - Google Patents
Screening method and apparatus for light reject removalInfo
- Publication number
- CA1335191C CA1335191C CA000594419A CA594419A CA1335191C CA 1335191 C CA1335191 C CA 1335191C CA 000594419 A CA000594419 A CA 000594419A CA 594419 A CA594419 A CA 594419A CA 1335191 C CA1335191 C CA 1335191C
- Authority
- CA
- Canada
- Prior art keywords
- rotor
- screen
- duct
- light
- reject
- 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 - Fee Related
Links
- 238000012216 screening Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 7
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000010790 dilution Methods 0.000 claims abstract description 16
- 239000012895 dilution Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 239000002657 fibrous material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 14
- 239000002245 particle Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/023—Stationary screen-drums
- D21D5/026—Stationary screen-drums with rotating cleaning foils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
- B01D29/118—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration open-ended
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/86—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
- B01D29/945—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Filtration Of Liquid (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000594419A CA1335191C (en) | 1989-03-22 | 1989-03-22 | Screening method and apparatus for light reject removal |
| JP1074803A JPH0327192A (ja) | 1989-03-22 | 1989-03-27 | ろ過方法及びろ過装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000594419A CA1335191C (en) | 1989-03-22 | 1989-03-22 | Screening method and apparatus for light reject removal |
| JP1074803A JPH0327192A (ja) | 1989-03-22 | 1989-03-27 | ろ過方法及びろ過装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1335191C true CA1335191C (en) | 1995-04-11 |
Family
ID=25672540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000594419A Expired - Fee Related CA1335191C (en) | 1989-03-22 | 1989-03-22 | Screening method and apparatus for light reject removal |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0327192A (US20050271598A1-20051208-C00001.png) |
| CA (1) | CA1335191C (US20050271598A1-20051208-C00001.png) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001040570A1 (en) * | 1999-11-29 | 2001-06-07 | Andritz Oy | Arrangement and rotor for screening of pulp |
| WO2017158228A1 (en) * | 2016-03-16 | 2017-09-21 | Red Wire Oy | Method for screening and a screening apparatus |
| CN108166301A (zh) * | 2017-12-26 | 2018-06-15 | 郑州运达造纸设备有限公司 | 一种多功能压力筛转子结构 |
| CN114703690A (zh) * | 2022-03-28 | 2022-07-05 | 湖北中烟工业有限责任公司 | 一种斜d型水力碎浆机 |
| CN117127425A (zh) * | 2023-09-22 | 2023-11-28 | 安德里茨（中国）有限公司 | 粗筛系统 |
-
1989
- 1989-03-22 CA CA000594419A patent/CA1335191C/en not_active Expired - Fee Related
- 1989-03-27 JP JP1074803A patent/JPH0327192A/ja active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001040570A1 (en) * | 1999-11-29 | 2001-06-07 | Andritz Oy | Arrangement and rotor for screening of pulp |
| WO2017158228A1 (en) * | 2016-03-16 | 2017-09-21 | Red Wire Oy | Method for screening and a screening apparatus |
| US10738420B2 (en) | 2016-03-16 | 2020-08-11 | Red Wire Oy | Method for screening and a screening apparatus |
| CN108166301A (zh) * | 2017-12-26 | 2018-06-15 | 郑州运达造纸设备有限公司 | 一种多功能压力筛转子结构 |
| CN108166301B (zh) * | 2017-12-26 | 2023-08-18 | 郑州运达造纸设备有限公司 | 一种多功能压力筛转子结构 |
| CN114703690A (zh) * | 2022-03-28 | 2022-07-05 | 湖北中烟工业有限责任公司 | 一种斜d型水力碎浆机 |
| CN117127425A (zh) * | 2023-09-22 | 2023-11-28 | 安德里茨（中国）有限公司 | 粗筛系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0327192A (ja) | 1991-02-05 |
| JPH0418076B2 (US20050271598A1-20051208-C00001.png) | 1992-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4634521A (en) | Screening apparatus with light reject removal | |
| US3912622A (en) | Screening machine with lights removal | |
| US4167438A (en) | Method and apparatus for preparing and cleaning fibrous material | |
| KR900004943B1 (ko) | 폐지처리용 선별 및 세척장치 | |
| US6613191B2 (en) | Pressurized screen and process for removing contaminants from a fibrous paper suspension containing contaminants | |
| US4634059A (en) | Method and device for emptying suspension from a pulper | |
| CA1330207C (en) | Reject screen | |
| US4067800A (en) | Screening apparatus | |
| US5358637A (en) | Apparatus for sorting and deflaking fibrous suspensions | |
| CA1335191C (en) | Screening method and apparatus for light reject removal | |
| EP0306022A1 (en) | Method and apparatus for grading fiber suspension | |
| US20050258079A1 (en) | Pressurized screen for screening a fibrous suspension and use thereof | |
| US5224603A (en) | Apparatus for treating fiber suspension | |
| US5143220A (en) | Apparatus for screening to remove knots from a fluid borne slurry of fibers and knots | |
| US5925249A (en) | Screening arrangement | |
| FI70939C (fi) | Reningsfoerfarande foer returpapper | |
| US4420117A (en) | Waste paper disintegrating, sorting and fiber recovery apparatus | |
| CA1228256A (en) | Process for preparing groundwood pulp as short fiber and long fiber fractions | |
| EP0801696B1 (en) | Screening arrangement | |
| FI103734B (fi) | Menetelmä ja laitteisto kuitususpension käsittelemiseksi | |
| CA2511138A1 (en) | Pressurized screen for screening a fibrous suspension | |
| FI82720B (fi) | Sorteringsanordning foer fibersuspensioner. | |
| CA2027564A1 (en) | Appliance for sorting and deflaking fibre suspensions | |
| KR810001424B1 (ko) | 체질장치 | |
| WO1998045532A1 (en) | Separation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |