SE9400930L - Process for combustion of sulfite liquor containing magnesium or ammonium and boiler for combustion of sulfite liquor according to the method - Google Patents

Process for combustion of sulfite liquor containing magnesium or ammonium and boiler for combustion of sulfite liquor according to the method

Info

Publication number
SE9400930L
SE9400930L SE9400930A SE9400930A SE9400930L SE 9400930 L SE9400930 L SE 9400930L SE 9400930 A SE9400930 A SE 9400930A SE 9400930 A SE9400930 A SE 9400930A SE 9400930 L SE9400930 L SE 9400930L
Authority
SE
Sweden
Prior art keywords
combustion
boiler
chamber
sulfite liquor
ammonium
Prior art date
Application number
SE9400930A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9400930D0 (en
Inventor
Leif Bodestig
Lars Olausson
Original Assignee
Kvaerner Pulping Tech
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Priority to SE9400930A priority Critical patent/SE9400930L/en
Publication of SE9400930D0 publication Critical patent/SE9400930D0/en
Priority to EP95914607A priority patent/EP0752025A1/en
Priority to PCT/SE1995/000255 priority patent/WO1995025845A1/en
Priority to AU21518/95A priority patent/AU2151895A/en
Publication of SE9400930L publication Critical patent/SE9400930L/en
Priority to NO963976A priority patent/NO963976L/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00—Combustion
    • F23G2202/10—Combustion in two or more stages
    • F23G2202/101—Combustion in two or more stages with controlled oxidant supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/10—Arrangement of sensing devices
    • F23G2207/105—Arrangement of sensing devices for NOx
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/30—Oxidant supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Paper (AREA)

Abstract

The invention relates to a proccess for combusting sulphite liquor, containing magnesium or ammonium and sulphite in some form, in a boiler of the two-chamber type (1, 3). The process is characterized in that the combustion in the first chamber (1) takes place with an understoichiometric quantity of oxygen so that a reducing environment arises, without the addition of reducing substances, in the flue gases, and in that oxygen is then added to the flue gases in the second chamber (3) at a time of 1-2 seconds after the combustion in the first chamber (1) and at a temperature of at most 1,250 DEG C in the flue gases, so that further organic material is combusted without any appreciable formation of NOx and So3. The invention also includes a boiler for implementing the process, which boiler, in contrast to conventional MgO boilers, is provided with supply openings (10) at one or more levels (11, 12) in the second chamber (3) in the bipartite boiler.
SE9400930A 1994-03-21 1994-03-21 Process for combustion of sulfite liquor containing magnesium or ammonium and boiler for combustion of sulfite liquor according to the method SE9400930L (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9400930A SE9400930L (en) 1994-03-21 1994-03-21 Process for combustion of sulfite liquor containing magnesium or ammonium and boiler for combustion of sulfite liquor according to the method
EP95914607A EP0752025A1 (en) 1994-03-21 1995-03-14 Process for combusting sulphite liquor containing magnesium or ammonium, and a boiler for combusting sulphite liquor in accordance with the process
PCT/SE1995/000255 WO1995025845A1 (en) 1994-03-21 1995-03-14 Process for combusting sulphite liquor containing magnesium or ammonium, and a boiler for combusting sulphite liquor in accordance with the process
AU21518/95A AU2151895A (en) 1994-03-21 1995-03-14 Process for combusting sulphite liquor containing magnesium or ammonium, and a boiler for combusting sulphite liquor in accordance with the process
NO963976A NO963976L (en) 1994-03-21 1996-09-20 A process for combustion of sulfite liquid containing magnesium or ammonium, and a boiler for combustion of sulfite liquid according to the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9400930A SE9400930L (en) 1994-03-21 1994-03-21 Process for combustion of sulfite liquor containing magnesium or ammonium and boiler for combustion of sulfite liquor according to the method

Publications (2)

Publication Number Publication Date
SE9400930D0 SE9400930D0 (en) 1994-03-21
SE9400930L true SE9400930L (en) 1995-09-22

Family

ID=20393342

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9400930A SE9400930L (en) 1994-03-21 1994-03-21 Process for combustion of sulfite liquor containing magnesium or ammonium and boiler for combustion of sulfite liquor according to the method

Country Status (5)

Country Link
EP (1) EP0752025A1 (en)
AU (1) AU2151895A (en)
NO (1) NO963976L (en)
SE (1) SE9400930L (en)
WO (1) WO1995025845A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5715763A (en) * 1995-09-11 1998-02-10 The Mead Corporation Combustion system for a black liquor recovery boiler
US5992337A (en) * 1997-09-26 1999-11-30 Air Liquide America Corporation Methods of improving productivity of black liquor recovery boilers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2285876A (en) * 1938-01-26 1942-06-09 George H Tomlinson Waste sulphite liquor recovery
US2354175A (en) * 1940-07-27 1944-07-18 Babcock & Wilcox Co Apparatus for the recovery of heat and chemicals from waste liquor
SE468171B (en) * 1991-03-18 1992-11-16 Goetaverken Energy Ab PRESERVATION OF BLACK LIENTS IN SODAPANNES FOR RECOVERY OF SMOKE GAS WITH LOW NON-OXIDES AND SODAPANNA BEFORE IMPLEMENTATION

Also Published As

Publication number Publication date
NO963976L (en) 1996-10-17
EP0752025A1 (en) 1997-01-08
NO963976D0 (en) 1996-09-20
SE9400930D0 (en) 1994-03-21
WO1995025845A1 (en) 1995-09-28
AU2151895A (en) 1995-10-09

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