DE2946376C2 - Verfahren zur Herstellung von Holzschliff - Google Patents
Verfahren zur Herstellung von HolzschliffInfo
- Publication number
- DE2946376C2 DE2946376C2 DE2946376A DE2946376A DE2946376C2 DE 2946376 C2 DE2946376 C2 DE 2946376C2 DE 2946376 A DE2946376 A DE 2946376A DE 2946376 A DE2946376 A DE 2946376A DE 2946376 C2 DE2946376 C2 DE 2946376C2
- Authority
- DE
- Germany
- Prior art keywords
- groundwood
- line
- spray water
- grinder
- water
- 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
- 238000000034 method Methods 0.000 title claims description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 70
- 239000007921 spray Substances 0.000 claims description 45
- 239000000725 suspension Substances 0.000 claims description 19
- 239000007844 bleaching agent Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000008719 thickening Effects 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004061 bleaching Methods 0.000 description 36
- 238000000227 grinding Methods 0.000 description 16
- 238000005265 energy consumption Methods 0.000 description 13
- 239000000123 paper Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 241000196324 Embryophyta Species 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 239000002023 wood Substances 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 238000010790 dilution Methods 0.000 description 7
- 239000012895 dilution Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 5
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 229960003330 pentetic acid Drugs 0.000 description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 241000218657 Picea Species 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000002978 peroxides Chemical class 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- 101100311330 Schizosaccharomyces pombe (strain 972 / ATCC 24843) uap56 gene Proteins 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 235000019795 sodium metasilicate Nutrition 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 101150018444 sub2 gene Proteins 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 206010041662 Splinter Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/18—Disintegrating in mills in magazine-type machines
- D21B1/24—Disintegrating in mills in magazine-type machines of the pocket type
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7812111A SE422088B (sv) | 1978-11-24 | 1978-11-24 | Forfarande for framstellning av slipmassa av lignocellolusahaltiga material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2946376A1 DE2946376A1 (de) | 1980-06-04 |
| DE2946376C2 true DE2946376C2 (de) | 1987-03-05 |
Family
ID=20336440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2946376A Expired DE2946376C2 (de) | 1978-11-24 | 1979-11-16 | Verfahren zur Herstellung von Holzschliff |
Country Status (11)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3804869A1 (de) * | 1988-02-17 | 1989-08-31 | Feldmuehle Ag | Verfahren zur regelung eines holzschleifers |
| DE3823837A1 (de) * | 1988-07-14 | 1990-01-18 | Feldmuehle Ag | Verfahren zum herstellen von holzschliff |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI57980C (fi) * | 1978-02-16 | 1980-11-10 | Tampella Oy Ab | Foerfarande och slipverk foer avlaegsning av slipmassa vid slipning av ved under tryck |
| SE433954B (sv) * | 1980-03-25 | 1984-06-25 | Mo Och Domsjoe Ab | Forfarande och anordning for reduktion av vid framstellning av slipmassa fran vedstockar i stenslipverk uppkomna grovre vedrester och spetor jemte reglering av massans freeness |
| SE434069B (sv) * | 1980-07-09 | 1984-07-02 | Mo Och Domsjoe Ab | Forfarande for framstellning av slipmassa |
| FI61531C (fi) | 1980-11-18 | 1982-08-10 | Tampella Oy Ab | Foerfarande foer foerbaettring av efteranvaendningen av vid tilverkningsprocessen foer slipmassa altstrad vaermeenergi |
| FI61731C (fi) * | 1980-11-18 | 1982-09-10 | Tampella Oy Ab | Foerfarande foer foerbaettring av efteranvaendningen av vid tilverkningsprocessen foer traeslipmassa alstrad vaermeener gi |
| DE3045810C2 (de) * | 1980-12-05 | 1983-04-07 | J.M. Voith Gmbh, 7920 Heidenheim | Einrichtung und Verfahren zur Regelung eines Holzschleifers |
| DE3101723C2 (de) * | 1981-01-21 | 1982-10-21 | J.M. Voith Gmbh, 7920 Heidenheim | Anlage zum Schleifen von Holz für die Papierfabrikation |
| SE8601477L (sv) * | 1986-04-02 | 1987-10-03 | Sunds Defibrator | Sett for behandling av mekanisk massa |
| US4976819A (en) * | 1988-04-28 | 1990-12-11 | Potlatch Corporation | Pulp treatment methods |
| SE500761C2 (sv) * | 1993-02-09 | 1994-08-29 | Aga Ab | Sätt att framställa kemimekanisk massa varvid oxygen tillföres slipkammaren |
| EP2328035B1 (en) * | 2003-12-10 | 2016-03-02 | Sanyo Chemical Industries, Ltd. | Resin particles |
| ES2238002B1 (es) * | 2004-01-21 | 2006-06-01 | Begoña Aranzabal Zuburruti | Proceso de obtencion de un sustrato organico para uso horticola. |
| RU2407768C2 (ru) * | 2005-06-03 | 2010-12-27 | Андриц Аг | Способ снижения потребления электроэнергии при производстве термомеханической древесной массы посредством высокотемпературного размола древесной массы низкой и средней концентрации |
| EP2143554A1 (de) * | 2008-07-10 | 2010-01-13 | Amandus Kahl GmbH & Co. KG | Verfahren zum Aufschluss von Lignozellulosen zu Faserstoffen |
| US20100224333A1 (en) * | 2009-03-09 | 2010-09-09 | Prasad Duggirala | Method and chemical composition to improve efficiency of mechanical pulp |
| US9932709B2 (en) | 2013-03-15 | 2018-04-03 | Ecolab Usa Inc. | Processes and compositions for brightness improvement in paper production |
| DE102011010980A1 (de) * | 2011-02-10 | 2012-08-16 | Ralf Schäfer | Verfahren und Vorrichtung zum Zerkleinern und Trocknen von feuchtigkeitshaltigem Material, insbesondere von Holz |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE318178B (US06346242-20020212-C00066.png) * | 1963-03-15 | 1969-12-01 | Anglo Paper Prod Ltd | |
| US3690568A (en) * | 1970-06-11 | 1972-09-12 | Koehring Waterous Ltd | Wood grinding |
| US3808090A (en) * | 1970-10-01 | 1974-04-30 | F Luhde | Mechanical abrasion of wood particles in the presence of water and in an inert gaseous atmosphere |
| US3693891A (en) * | 1971-06-24 | 1972-09-26 | Norton S Remmer | Wood grinding |
| SE415581B (sv) * | 1977-04-18 | 1980-10-13 | Mo Och Domsjoe Ab | Forfarande for perocidblekning av hogutbytesmassa |
| SE420329C (sv) * | 1978-02-16 | 1984-10-15 | Mo Och Domsjoe Ab | Forfarande for framstellning av slipmassa vid overtryck |
| SE420427C (sv) * | 1978-02-16 | 1984-10-15 | Mo Och Domsjoe Ab | Forfarande for framstellning av slipmassa vid overtryck |
-
1978
- 1978-11-24 SE SE7812111A patent/SE422088B/sv not_active IP Right Cessation
-
1979
- 1979-11-06 NZ NZ192051A patent/NZ192051A/xx unknown
- 1979-11-09 AU AU52702/79A patent/AU521567B2/en not_active Ceased
- 1979-11-13 JP JP14761179A patent/JPS5571892A/ja active Granted
- 1979-11-16 FI FI793601A patent/FI68433C/fi not_active IP Right Cessation
- 1979-11-16 DE DE2946376A patent/DE2946376C2/de not_active Expired
- 1979-11-23 FR FR7928874A patent/FR2442296A1/fr active Granted
- 1979-11-23 NO NO793804A patent/NO150892C/no unknown
- 1979-11-23 CA CA340,525A patent/CA1110480A/en not_active Expired
- 1979-11-23 BR BR7907611A patent/BR7907611A/pt not_active IP Right Cessation
- 1979-11-26 US US06/097,466 patent/US4324612A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3804869A1 (de) * | 1988-02-17 | 1989-08-31 | Feldmuehle Ag | Verfahren zur regelung eines holzschleifers |
| DE3823837A1 (de) * | 1988-07-14 | 1990-01-18 | Feldmuehle Ag | Verfahren zum herstellen von holzschliff |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5571892A (en) | 1980-05-30 |
| NZ192051A (en) | 1983-03-15 |
| SE7812111L (sv) | 1980-05-25 |
| FI68433C (fi) | 1985-09-10 |
| SE422088B (sv) | 1982-02-15 |
| JPS5755834B2 (US06346242-20020212-C00066.png) | 1982-11-26 |
| FI68433B (fi) | 1985-05-31 |
| NO150892B (no) | 1984-09-24 |
| CA1110480A (en) | 1981-10-13 |
| NO150892C (no) | 1985-01-16 |
| US4324612A (en) | 1982-04-13 |
| BR7907611A (pt) | 1980-06-24 |
| AU521567B2 (en) | 1982-04-08 |
| AU5270279A (en) | 1980-05-29 |
| FR2442296B1 (US06346242-20020212-C00066.png) | 1983-11-25 |
| FI793601A (fi) | 1980-05-25 |
| NO793804L (no) | 1980-05-28 |
| FR2442296A1 (fr) | 1980-06-20 |
| DE2946376A1 (de) | 1980-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |