SE465782B - Foerfarande foer att foerhindra smaeltexplosioner i smaeltloesare - Google Patents
Foerfarande foer att foerhindra smaeltexplosioner i smaeltloesareInfo
- Publication number
- SE465782B SE465782B SE8703766A SE8703766A SE465782B SE 465782 B SE465782 B SE 465782B SE 8703766 A SE8703766 A SE 8703766A SE 8703766 A SE8703766 A SE 8703766A SE 465782 B SE465782 B SE 465782B
- Authority
- SE
- Sweden
- Prior art keywords
- melt
- pressure
- stream
- green liquor
- solvent
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 22
- 239000000155 melt Substances 0.000 claims description 60
- 239000002904 solvent Substances 0.000 claims description 29
- 238000004880 explosion Methods 0.000 claims description 27
- 238000009835 boiling Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 239000012943 hotmelt Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 101100165186 Caenorhabditis elegans bath-34 gene Proteins 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000000048 melt cooling Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/12—Combustion of pulp liquors
- D21C11/122—Treatment, e.g. dissolution, of the smelt
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor
Landscapes
- Paper (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Carpets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/008,989 US4761204A (en) | 1987-01-30 | 1987-01-30 | Chemical recovery process using break up steam control to prevent smelt explosions |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8703766D0 SE8703766D0 (sv) | 1987-09-30 |
| SE8703766L SE8703766L (sv) | 1988-07-31 |
| SE465782B true SE465782B (sv) | 1991-10-28 |
Family
ID=21734899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8703766A SE465782B (sv) | 1987-01-30 | 1987-09-30 | Foerfarande foer att foerhindra smaeltexplosioner i smaeltloesare |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4761204A (no) |
| JP (1) | JPS63203891A (no) |
| CA (1) | CA1285354C (no) |
| FI (1) | FI87811C (no) |
| NO (1) | NO173456C (no) |
| SE (1) | SE465782B (no) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5204069A (en) * | 1991-10-07 | 1993-04-20 | Westvaco Corporation | Recovery boiler smelt shattering spray |
| DE4344552A1 (de) * | 1993-12-24 | 1995-06-29 | Giesecke & Devrient Gmbh | Verfahren und Vorrichtung zur Ausstattung von Wertpapieren mit Echtheitsmerkmalen |
| JPH08170802A (ja) * | 1994-11-02 | 1996-07-02 | Kopuran:Kk | 減圧蒸気式加熱装置の消音方法及び減圧蒸気式加熱装置 |
| US5624470A (en) * | 1995-12-22 | 1997-04-29 | Combustion Engineering, Inc. | Black liquor gasification with integrated warm-up and purge |
| FR2870154B1 (fr) * | 2004-05-13 | 2012-12-14 | Bio 3D Applic | Procede et systeme bio-thermiques pour stabiliser des bois d'oeuvre |
| FI121313B2 (fi) * | 2005-08-11 | 2015-06-10 | Metso Power Oy | Soodakattilan sularännialueen suojausjärjestely |
| US7735435B2 (en) * | 2006-05-24 | 2010-06-15 | Diamond Power International, Inc. | Apparatus for cleaning a smelt spout of a combustion device |
| US7806127B2 (en) * | 2006-09-29 | 2010-10-05 | Alstom Technology Ltd | Smelt spout enclosure for chemical recovery boilers |
| CN101746781B (zh) * | 2009-12-11 | 2012-07-25 | 贵州赤天化纸业股份有限公司 | 碱回收炉溶解槽内壁的保护装置 |
| US10557235B2 (en) | 2017-07-21 | 2020-02-11 | Andritz Inc. | Ultrasonic semelt dissolving and shattering system |
| US12071723B2 (en) * | 2020-09-10 | 2024-08-27 | The Babcock & Wilcox Company | Smelt shattering method and apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2967758A (en) * | 1956-06-21 | 1961-01-10 | Babcock & Wilcox Co | Method of and apparatus for disintegrating and dispersing a molten smelt stream |
| US3122421A (en) * | 1959-07-13 | 1964-02-25 | Combustion Eng | Apparatus and method of operating a chemical recovery furnace |
| US4017254A (en) * | 1975-12-15 | 1977-04-12 | S. J. Agnew | Recirculating furnace-dryer combination |
| US4312702A (en) * | 1980-05-06 | 1982-01-26 | Domtar Inc. | Fluidized bed start up and operation |
| JPS57161188A (en) * | 1981-03-31 | 1982-10-04 | Oji Paper Co | Smell grinding method |
| JPS5947493A (ja) * | 1982-09-13 | 1984-03-17 | バブコツク日立株式会社 | スラツジ混合撹拌装置 |
| SU1150283A1 (en) * | 1983-05-24 | 1985-04-15 | Z Vtuz Pri Proizv Obedinenii T | Device for automatic controlling of spray of black-liquor recovery furnace cake of fusion |
-
1987
- 1987-01-30 US US07/008,989 patent/US4761204A/en not_active Expired - Fee Related
- 1987-09-30 SE SE8703766A patent/SE465782B/sv not_active IP Right Cessation
- 1987-10-28 CA CA000550502A patent/CA1285354C/en not_active Expired - Fee Related
- 1987-12-21 NO NO875365A patent/NO173456C/no unknown
-
1988
- 1988-01-15 FI FI880167A patent/FI87811C/fi not_active IP Right Cessation
- 1988-01-29 JP JP63017536A patent/JPS63203891A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FI87811B (fi) | 1992-11-13 |
| NO875365D0 (no) | 1987-12-21 |
| NO875365L (no) | 1988-08-01 |
| JPS63203891A (ja) | 1988-08-23 |
| SE8703766L (sv) | 1988-07-31 |
| US4761204A (en) | 1988-08-02 |
| FI880167A0 (fi) | 1988-01-15 |
| FI87811C (fi) | 1996-01-03 |
| NO173456C (no) | 1993-12-15 |
| CA1285354C (en) | 1991-07-02 |
| FI880167A (fi) | 1988-07-31 |
| SE8703766D0 (sv) | 1987-09-30 |
| NO173456B (no) | 1993-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE465782B (sv) | Foerfarande foer att foerhindra smaeltexplosioner i smaeltloesare | |
| ES2201755T3 (es) | Procedimiento y aparato para la recuperacion de materia metalica de residuos. | |
| JPH06511461A (ja) | 溶融装置 | |
| JPS6149565B2 (no) | ||
| US5980816A (en) | Method and apparatus for removing deposit in non-ferrous smelting furnace | |
| US9896739B2 (en) | System and method for melting metal chips | |
| AU2003208161A1 (en) | Facility for melting dusts | |
| US3122421A (en) | Apparatus and method of operating a chemical recovery furnace | |
| SE434405B (sv) | Forfarande for upparbetning av metallinnehallande avfallsprodukter | |
| NO314032B1 (no) | Fremgangsmåte for oksidasjon av konsentrerte v¶sker som inneholder oksiderbare organiske bestanddeler | |
| JP6385618B1 (ja) | アルミ溶解システム及びその運転方法 | |
| KR840001635A (ko) | 고형 침전물질을 함유한 금속용융액의 제련장치 및 제련방법 | |
| US5553558A (en) | Equipment and process for surface treatment of hazardous solids and slurries with molten alloy | |
| US5788723A (en) | Process for the high-temperature gasification of heterogeneous waste | |
| SE464521B (sv) | Saett och anordning foer att destruera kasserad mineralull och aateranvaenda denna foer framstaellning av mineralull | |
| CA2127674A1 (en) | Process for removing tin, arsenic and antimony from molten lead | |
| FI104712B (sv) | Förfarande för oxidering av avloppsvatten innehållande organiska ämnen | |
| JP2007064498A (ja) | 燃焼溶融炉 | |
| US3990878A (en) | Glass melting apparatus | |
| JPH11351524A (ja) | 可燃エネルギ―含有残留物を熱転化するための方法及び装置 | |
| NO772138L (no) | Fremgangsm}te for raffinering av smeltet metall | |
| SE525928C2 (sv) | Anordning för avlägsnande av saltsmälta från sodapanna | |
| AU2004278611A1 (en) | Combustion system | |
| SE9601331L (sv) | Förfarande och anordning för inmatning av luft i en eldstad | |
| US1119540A (en) | Furnace for melting and refining copper. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 8703766-9 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |
Ref document number: 8703766-9 Format of ref document f/p: F |