CS222680B2 - Method of mechanical increasing of the wood species in the wooden chips - Google Patents
Method of mechanical increasing of the wood species in the wooden chips Download PDFInfo
- Publication number
- CS222680B2 CS222680B2 CS799139A CS913979A CS222680B2 CS 222680 B2 CS222680 B2 CS 222680B2 CS 799139 A CS799139 A CS 799139A CS 913979 A CS913979 A CS 913979A CS 222680 B2 CS222680 B2 CS 222680B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- bark
- chips
- wood
- wood chips
- separated
- Prior art date
Links
- 239000002023 wood Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000004576 sand Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 8
- 238000007873 sieving Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000000227 grinding Methods 0.000 abstract description 2
- 238000012216 screening Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008236 biological pathway Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Road Paving Structures (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782856020 DE2856020A1 (de) | 1978-12-23 | 1978-12-23 | Verfahren zum steigern des gewinnbaren holzgehalts in holzhackspaenen auf mechanischem weg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS222680B2 true CS222680B2 (en) | 1983-07-29 |
Family
ID=6058298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS799139A CS222680B2 (en) | 1978-12-23 | 1979-12-20 | Method of mechanical increasing of the wood species in the wooden chips |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4332353A (de) |
| AT (1) | AT371859B (de) |
| CS (1) | CS222680B2 (de) |
| DE (1) | DE2856020A1 (de) |
| FI (1) | FI793913A (de) |
| FR (1) | FR2444541A1 (de) |
| SE (1) | SE7910628L (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4616785A (en) * | 1982-07-30 | 1986-10-14 | Beloit Corporation | Method of and apparatus for debarking wood chips |
| EP0646049B1 (de) * | 1992-06-08 | 1999-02-03 | Valtion Teknillinen Tutkimuskeskus | Verfahren zum herstellen von holzspänen mit niedrigem rindengehalt aus baumscheiben |
| US5568896A (en) * | 1994-02-22 | 1996-10-29 | Beloit Technologies, Inc. | Methods for preparing pulpwood for digestion |
| FI98277C (fi) * | 1995-11-01 | 1997-05-26 | Valtion Teknillinen | Menetelmä vähäkuorisen puuhakkeen valmistamiseksi kuorellisesta puuhakkeesta sekä vastaava laitteisto |
| FI102910B1 (fi) * | 1997-01-22 | 1999-03-15 | Bmh Wood Technology Oy | Menetelmä ja laitteisto puuhakkeen käsittelemiseksi |
| US5803142A (en) * | 1997-09-08 | 1998-09-08 | Westvaco Corporation | Debarking and chipping folded whole-trees |
| US5868186A (en) * | 1997-09-11 | 1999-02-09 | Westvaco Corporation | Debarking wood without introducing contaminants into the wood |
| US10675661B2 (en) | 2015-06-15 | 2020-06-09 | Biofuels Technology Llc | Systems and methods for use in processing of forest residue |
| FR3045659B1 (fr) * | 2015-12-18 | 2019-03-29 | Lionel Deneux | Procede de fabrication de granules bois a partir de branchages non ecorces et installation pour la mise en oeuvre dudit procede. |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2264421A (en) * | 1939-08-12 | 1941-12-02 | Arthur T Ward | Wood chip cleaning process |
| US2437672A (en) * | 1944-09-27 | 1948-03-16 | Weyerhaeuser Timber Co | Method of treating bark |
| US2835292A (en) * | 1954-07-21 | 1958-05-20 | Julius F T Berliner | Method of processing raw wood |
| US3070318A (en) * | 1960-06-06 | 1962-12-25 | Hosmer Machine And Lumber Comp | Machine for separating bark from wood chips |
| US3337139A (en) * | 1965-01-13 | 1967-08-22 | Kimberly Clark Co | Treatment of hardwood chips for bark and wood separation |
| FR2044886A6 (en) * | 1969-05-09 | 1971-02-26 | Kunz Et Co | Wood fibre covered decorative panels |
| US3826433A (en) * | 1973-06-01 | 1974-07-30 | Us Agriculture | Process for removing bark from wood chips |
| DE2522686A1 (de) * | 1975-05-22 | 1976-12-09 | Becker & Van Huellen | Verfahren zur faserstoffherstellung fuer faserplatten |
-
1978
- 1978-12-23 DE DE19782856020 patent/DE2856020A1/de not_active Withdrawn
-
1979
- 1979-12-13 FI FI793913A patent/FI793913A/fi not_active Application Discontinuation
- 1979-12-19 AT AT0801279A patent/AT371859B/de not_active IP Right Cessation
- 1979-12-20 US US06/105,542 patent/US4332353A/en not_active Expired - Lifetime
- 1979-12-20 CS CS799139A patent/CS222680B2/cs unknown
- 1979-12-21 FR FR7931414A patent/FR2444541A1/fr active Granted
- 1979-12-21 SE SE7910628A patent/SE7910628L/ unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2444541B1 (de) | 1983-12-30 |
| FI793913A (fi) | 1980-06-24 |
| ATA801279A (de) | 1982-12-15 |
| SE7910628L (sv) | 1980-06-24 |
| US4332353A (en) | 1982-06-01 |
| DE2856020A1 (de) | 1980-07-10 |
| FR2444541A1 (fr) | 1980-07-18 |
| AT371859B (de) | 1983-08-10 |
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