JPH0418076B2 - - Google Patents
Info
- Publication number
- JPH0418076B2 JPH0418076B2 JP1074803A JP7480389A JPH0418076B2 JP H0418076 B2 JPH0418076 B2 JP H0418076B2 JP 1074803 A JP1074803 A JP 1074803A JP 7480389 A JP7480389 A JP 7480389A JP H0418076 B2 JPH0418076 B2 JP H0418076B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- filtration device
- lightweight
- conduit
- filtration
- 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 - Lifetime
Links
- 238000001914 filtration Methods 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 27
- 239000003085 diluting agent Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims 2
- 238000004140 cleaning Methods 0.000 claims 1
- 239000004033 plastic Substances 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 14
- 239000002245 particle Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000000047 product Substances 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
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000001939 inductive effect 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
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 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 (2)
| Publication Number | Publication Date |
|---|---|
| JPH0327192A JPH0327192A (ja) | 1991-02-05 |
| JPH0418076B2 true JPH0418076B2 (it) | 1992-03-26 |
Family
ID=25672540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1074803A Granted JPH0327192A (ja) | 1989-03-22 | 1989-03-27 | ろ過方法及びろ過装置 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0327192A (it) |
| CA (1) | CA1335191C (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI4401U1 (fi) * | 1999-11-29 | 2000-04-27 | Ahlstrom Machinery Oy | Järjestely massan lajittelemiseksi |
| FI126520B (en) * | 2016-03-16 | 2017-01-31 | Red Wire Oy | Method of screening and screening device |
| 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 |
| CN114703690B (zh) * | 2022-03-28 | 2024-09-13 | 湖北中烟工业有限责任公司 | 一种斜d型水力碎浆机 |
| CN117127425B (zh) * | 2023-09-22 | 2024-09-24 | 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
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0327192A (ja) | 1991-02-05 |
| CA1335191C (en) | 1995-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |