CA2215845A1 - Appareil de criblage des copeaux de bois a lames a bord superieur non lineaire - Google Patents
Appareil de criblage des copeaux de bois a lames a bord superieur non lineaire Download PDFInfo
- Publication number
- CA2215845A1 CA2215845A1 CA 2215845 CA2215845A CA2215845A1 CA 2215845 A1 CA2215845 A1 CA 2215845A1 CA 2215845 CA2215845 CA 2215845 CA 2215845 A CA2215845 A CA 2215845A CA 2215845 A1 CA2215845 A1 CA 2215845A1
- Authority
- CA
- Canada
- Prior art keywords
- blades
- improvement
- nonlinear
- top edges
- chips
- 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.)
- Abandoned
Links
- 239000002023 wood Substances 0.000 title claims abstract description 16
- 238000012216 screening Methods 0.000 title claims abstract description 13
- 230000006872 improvement Effects 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims description 8
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- D21D5/04—Flat screens
- D21D5/043—Vibrating 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
- B07B1/12—Apparatus having only parallel elements
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/023—Cleaning wood chips or other raw materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Paper (AREA)
Abstract
Appareil de criblage des copeaux de bois comprenant une extrémité d'alimentation et une extrémité de décharge et entre elles de longues lames fines (40, 42) à mouvement alternatif. Les lames (40, 42) sont séparées par des intervalles permettant le passage des copeaux de l'épaisseur acceptable voulue. L'amélioration porte sur le bord supérieur des lames (40, 42) d'une configuration non linéaire.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42219095A | 1995-04-12 | 1995-04-12 | |
| US08/422,190 | 1995-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2215845A1 true CA2215845A1 (fr) | 1996-10-17 |
Family
ID=23673767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2215845 Abandoned CA2215845A1 (fr) | 1995-04-12 | 1996-03-25 | Appareil de criblage des copeaux de bois a lames a bord superieur non lineaire |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0820354A1 (fr) |
| AU (1) | AU5634796A (fr) |
| CA (1) | CA2215845A1 (fr) |
| WO (1) | WO1996032203A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2376220B1 (es) * | 2010-06-16 | 2012-09-24 | Tecnoligra, S.L. | Máquina desramadora para instalaciones de limpieza de frutos arbóreos. |
| KR102301930B1 (ko) * | 2019-08-23 | 2021-09-15 | 한국지질자원연구원 | 기류 형성 망 및 이를 포함하는 비중 선별 장치 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU34550A1 (fr) * | 1956-07-28 | |||
| SU1058639A1 (ru) * | 1982-04-15 | 1983-12-07 | Калининский Ордена Трудового Красного Знамени Политехнический Институт | Устройство дл сепарации сыпучего материала |
| SE451432B (sv) * | 1983-06-15 | 1987-10-12 | Rudolf Woode | Spaltsall for storleksuppdelning av styckeformigt gods, t ex treflis efter dess tjocklek |
| SE447800B (sv) * | 1985-05-03 | 1986-12-15 | Ulf Strindlund | Forfarande for sallning av styckeformigt material och anordning for genomforande av forfarandet |
| US5117983A (en) * | 1989-08-07 | 1992-06-02 | Weyerhaeuser Company | Bar screen having a reciprocating action |
| US5368168A (en) * | 1993-04-26 | 1994-11-29 | Weyerhaeuser Co. | Bar screen with bars of staggered height |
-
1996
- 1996-03-25 CA CA 2215845 patent/CA2215845A1/fr not_active Abandoned
- 1996-03-25 WO PCT/US1996/006064 patent/WO1996032203A1/fr not_active Ceased
- 1996-03-25 EP EP96913295A patent/EP0820354A1/fr not_active Withdrawn
- 1996-03-25 AU AU56347/96A patent/AU5634796A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU5634796A (en) | 1996-10-30 |
| EP0820354A1 (fr) | 1998-01-28 |
| WO1996032203A1 (fr) | 1996-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |