DK1718576T3 - Højeffektiv kedel uden ildfast struktur til kalcinering af gips og fremgangsmåde dertil - Google Patents

Højeffektiv kedel uden ildfast struktur til kalcinering af gips og fremgangsmåde dertil Download PDF

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DK1718576T3
DK1718576T3 DK05713605.3T DK05713605T DK1718576T3 DK 1718576 T3 DK1718576 T3 DK 1718576T3 DK 05713605 T DK05713605 T DK 05713605T DK 1718576 T3 DK1718576 T3 DK 1718576T3
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Denmark
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housing
burner
plaster
gypsum
channel
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DK05713605.3T
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English (en)
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Michael L Bolind
Michael J Porter
Warner J Dundas
Christopher R Nelson
Subhash Deodhar
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United States Gypsum Co
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Priority claimed from US10/788,871 external-priority patent/US7175426B2/en
Priority claimed from US10/788,864 external-priority patent/US7121713B2/en
Application filed by United States Gypsum Co filed Critical United States Gypsum Co
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Publication of DK1718576T3 publication Critical patent/DK1718576T3/da

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • F27D99/0035—Heating indirectly through a radiant surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/0281—Kettles; Marmites; Autoclaves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
    • B01F31/441—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing a rectilinear reciprocating movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B01F35/93—Heating or cooling systems arranged inside the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/001—Calcining
    • B01J6/004—Calcining using hot gas streams in which the material is moved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/46—Arrangements for applying super- or sub-atmospheric pressure during mixing; Arrangements for cooling or heating during mixing, e.g. by introducing vapour
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
    • F26B3/084—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed with heat exchange taking place in the fluidised bed, e.g. combined direct and indirect heat exchange
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
    • F26B3/092—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
    • F26B3/092—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating
    • F26B3/0923—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating by mechanical means, e.g. vibrated plate, stirrer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B15/08—Arrangements of devices for charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B15/09—Arrangements of devices for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B15/10—Arrangements of air or gas supply devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B15/14—Arrangements of heating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/28—Mixing cement, mortar, clay, plaster or concrete ingredients
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C01P2006/82—Compositional purity water content

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Microbiology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing Of Solid Wastes (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Accessories For Mixers (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Claims (36)

  1. HØJEFFEKTIV KEDEL UDEN ILDFAST STRUKTUR TIL KALCINERING AF GIPS OG FREMGANGSMÅDE DERTIL
    1. Anordning (10) til kalcinering af gips, hvilken anordning omfatter: et hus (12) med en åben top (16), en bundvæg (14) og en flerhed af sidevægge (18), der strækker sig derimellem; en indretning (20), der er placeret på huset (12) til at modtage rågips fra en kilde og føre gipsen ind i huset (12); et bæregulv (23), der er placeret nærmest bundvæggen (14) til at tilbageholde gipsen i huset (12); mindst én brænder (22), der er forbundet med huset (12) og kan indstilles til at forbrænde en luft-/brændstofsblanding til opvarmning af gipsen; og mindst én spiralformet brænderkanal (28), der strækker sig gennem huset (12) fra den mindst ene brænder (22) og ender gennem bæregulvet (23).
  2. 2. Anordning (10) ifølge krav 1, hvor brænderkanalen (28) indbefatter en første lineær sektion (30), der strækker sig fra brænderen (22).
  3. 3. Anordning (10) ifølge krav 1, hvor brænderkanalen (28) indbefatter mindst én sektion (34) med reduceret diameter til at tilvejebringe øget strømningshastighed og forbedret varmeoverføringseffektivitet.
  4. 4. Anordning (10) ifølge krav 1, hvor brænderkanalen (28) endvidere omfatter: en flerhed af kanaler (38) med relativt mindre diameter, der danner mindst ét flerkanalafsnit (36) af brænderkanalen (28), hvilket mindst ét flerkanalafsnit (36) er konstrueret til at stå i fluidforbindelse med kanalen (32) med den relativt større diameter.
  5. 5. Anordning (10) ifølge krav 1, hvor bæregulvet (23) omfatter: en fluidiseringsbase (52) til modtagelse af udstødningsstrømmen fra brænderkanalen (28).
  6. 6. Anordning (10) ifølge krav 5, hvilken anordning endvidere omfatter: et fluidiseringsunderlag (54), der er placeret over fluidiseringsbasen (52), hvor fluidiseringsunderlaget (54) mindst delvis danner bæregulvet (23).
  7. 7. Anordning (10) ifølge krav 6, hvor fluidiseringsunderlaget (54) omfatter: første og anden ydre perforerede plader (56, 58) og mindst ét mellemliggende lag (60) af materiale, der er placeret mellem de ydre plader (56, 58).
  8. 8. Anordning (10) ifølge krav 7, hvor det mellemliggende materialelag (60) er et porøst medium, der er fremstillet af én/ét af komprimeret silicafiber og vævet rustfrit stålnet.
  9. 9. Anordning (10) ifølge krav 7, hvor de perforerede plader (56, 58) er fremstillet af metal.
  10. 10. Anordning (10) ifølge krav 6, hvor fluidiseringsunderlaget (54) omfatter: et porøst mediummateriale.
  11. 11. Anordning (10) ifølge krav 10, hvor det porøse medium er fremstillet af én/ét af komprimeret silicafiber eller vævet rustfrit stålnet.
  12. 12. Anordning (10) ifølge krav 1, hvilken anordning endvidere omfatter: en omrøringsmekanisme (62), der kan indstilles til at forhindre fluidkanalisering og forhindre dannelse af døde lommer af gips stødende op til bæregulvet (23).
  13. 13. Anordning (10) ifølge krav 12, hvor omrøringsmekanismen (62) indbefatter en rørerramme (64).
  14. 14. Anordning (10) ifølge krav 13, hvor omrøringsmekanismen (62) indbefatter en flerhed af omrøringselementer (66), der er forbundet med rørerrammen (64) til omrøring af gipsen stødende op til bæregulvet (23), når rørerrammen (64) bevæger sig.
  15. 15. Anordning (10) ifølge krav 13, hvor omrøringsmekanismen (62) indbefatter mindst én drejbar bærearm (68) til drejbart at forbinde rørerrammen (64) med anordningen (10).
  16. 16. Anordning (10) ifølge krav 15, hvor den mindst ene drejbare bærearm (68) er et kabel, der er drejbart forbundet med kalcineringsanordningen (10) ved én ende og med rørerrammen (64) ved den anden ende, hvor rørerrammen (64) vil dreje omkring en drejeakse, når den påføres en bevægelse.
  17. 17. Anordning (10) ifølge krav 13, hvor omrøringsmekanismen (62) indbefatter en strømkilde (74) til at bevæge rørerrammen (64).
  18. 18. Anordning (10) ifølge krav 17, hvor strømkilden (74) indbefatter én af en elektrisk motor (74) og en pneumatisk aktuator.
  19. 19. Anordning (10) ifølge krav 18, hvilken anordning endvidere omfatter: an aktuatorarm (76), der strækker sig gennem huset (12) for at tilvejebringe en forbindelse mellem motoren (74) og rørerrammen (64).
  20. 20. Anordning (10) ifølge krav 19, hvor omrøringsmekanismen (62) endvidere omfatter; en ekspanderbar tætning (78), der er i indgreb med aktuatorarmen (76) og huset for at forhindre gips i at lække fra huset (12).
  21. 21. Anordning (10) ifølge krav 20, hvor tætningen (78) er konfigureret til at udvides og sammentrækkes, når aktuatorarmen (76) bevæger sig mellem den tørste og anden position.
  22. 22. Anordning (10) ifølge krav 13, hvor rørerrammen (64) er konfigureret til at bevæge sig i ét af: et horisontalt, et vertikalt og et bueformet mønster.
  23. 23. Anordning (10) ifølge krav 1, hvilken anordning endvidere omfatter: et overløbsrør (80), der står i fluidforbindelse med anordningen (10) for at gøre det muligt for forarbejdet gips at forlade anordningen (10).
  24. 24. Anordning (10) ifølge krav 23, hvilken anordning endvidere omfatter: en overløbsventil (82), der er forbundet med overløbsrøret (80) for at forhindre gips i at forlade anordningen (10) inden opvarmning til en forhåndsbestemt tilstand.
  25. 25. Anordning (10) ifølge krav 1, hvilken anordning endvidere omfatter: en tømningsåbning (84) med en tømningsventil (86) til at muliggøre selektiv dræning af huset (10).
  26. 26. Anordning (10) ifølge krav 1, hvilken anordning endvidere omfatter: en udstødningsskakt, der er forbundet med anordningen for udstødning af forbrændingsgas fra anordningen.
  27. 27. Anordning (10) ifølge krav 1, hvilken anordning endvidere omfatter: en kanalbærer (88), der er glidende forbundet med anordningen (10) til at bære brænderkanalen (28) under installerede og ikke-installerede positioner, hvilken kanalbærer (88) kan bevæge sig mellem en første position, der er inde i huset (12) og en anden position, der er mindst delvis uden for huset (12), til at bære kanalen (28) under installation i og fjernelse fra huset (12).
  28. 28. Anordning (10) ifølge krav 27, hvor kanalbæreren (88) omfatter: et par stænger (90, 92), der er glidende forbundet med parallelle vægge (18) af anordningen (10); og en flerhed af tværstænger (94), der strækker sig mellem stængerne (90, 92), och der kan gå i indgreb med brænderkanalen (28).
  29. 29. Anordning (10) ifølge krav 1, hvilken anordning endvidere omfatter: mindst ét adgangspanel (98), der er placeret på huset (12) til servicering af indre komponenter deraf.
  30. 30. Anordning (10) ifølge krav 1, hvilken anordning endvidere omfatter; et fngørelseskammer (100), der er placeret stødende op til den åbne top (16) af huset (12), hvilket fngørelseskammer (100) har mindst én dør til at muliggøre adgang dertil.
  31. 31. Anordning (10) ifølge krav 1, hvilken anordning endvidere omfatter: en støvsamler (102) til opsamling af gipsstøvpartikler og tilbageføring af partiklerne til huset (12).
  32. 32. Anordning (10) ifølge krav 31, hvor støvsamleren (102) indbefatter en flerhed af filtre (104).
  33. 33. Anordning (10) ifølge krav 1, hvor brænderkanalen (28) indbefatter en sektion med mindst én gennemgående åbning til at gøre det muligt for udstødningsstrømmen at gå ud derfra direkte ind i gipsen.
  34. 34. Fremgangsmåde til kalcinering af gips, hvilken fremgangsmåde omfatter følgende trin: tilvejebringelse af gips til en kalcineringsanordning (10); opvarmning af gipsen med en spiralformet brænder (22) via ledningsvarmeoverføring med en kanal (28), der strækker sig fra en ydre brænder (22) gennem gipsen og ender ved en bundvæg (14) af anordningen (10); at lade udstødningsgassen strømme gennem et fluidiseringsunderlag (54) og fluidisering og endvidere opvarmning af gipsen via konvektionsvarmeoverføring ved at lade i alt væsentligt al udstødningsgassen strømme gennem gipsen.
  35. 35. Fremgangsmåde ifølge krav 34, der endvidere omfatter: åbning af en overløbsventil (82) for at gøre det muligt for tluidiseret gips at trænge ud derigennem, når gipsen når op på omtrent 150 grader Celsius (300 grader Fahrenheit).
  36. 36. Fremgangsmåde ifølge krav 34, der endvidere omfatter: fjernelse og cirkulation af stagnerende dele af gips stødende op til bundvæggen med en omrøringsmekanisme (62).
DK05713605.3T 2004-02-27 2005-02-10 Højeffektiv kedel uden ildfast struktur til kalcinering af gips og fremgangsmåde dertil DK1718576T3 (da)

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US10/788,871 US7175426B2 (en) 2004-02-27 2004-02-27 High efficiency refractoryless kettle
US10/788,864 US7121713B2 (en) 2004-02-27 2004-02-27 Swinging agitator for a gypsum calcining apparatus and the like
PCT/US2005/004797 WO2005091819A2 (en) 2004-02-27 2005-02-10 High efficiency refractoryless kettle

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DK05713604.6T DK1718445T3 (da) 2004-02-27 2005-02-10 Svingagitator til gipskalcineringsanordning og lignende

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CN111893292B (zh) * 2020-07-31 2021-10-29 天能集团（河南）能源科技有限公司 一种铅酸蓄电池铸焊铅渣回收装置及方法
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NZ548798A (en) 2011-02-25
WO2005092583A8 (en) 2006-11-16
CN1997609B (zh) 2011-09-14
EP1718445A4 (en) 2010-04-14
EP1718576A4 (en) 2010-04-14
MY139186A (en) 2009-08-28
EP1718445A1 (en) 2006-11-08
IL177390A (en) 2010-05-31
IL177176A (en) 2010-06-30
CN1925958A (zh) 2007-03-07
NO338738B1 (no) 2016-10-17
DK1718445T3 (da) 2017-04-03
JP2007527838A (ja) 2007-10-04
IL177176A0 (en) 2006-12-10
CA2554983A1 (en) 2005-10-06
CA2555676A1 (en) 2005-10-06
AU2005225374B2 (en) 2010-06-24
KR20060135841A (ko) 2006-12-29
IL177390A0 (en) 2007-07-04
CN1997609A (zh) 2007-07-11
NO20064371L (no) 2006-09-27
PL1718576T3 (pl) 2017-07-31
BRPI0507973A (pt) 2007-07-24
CN1925958B (zh) 2013-08-21
AR050318A1 (es) 2006-10-18
JP4926939B2 (ja) 2012-05-09
WO2005091819A2 (en) 2005-10-06
EP1718445B1 (en) 2016-12-21
ES2619123T3 (es) 2017-06-23
WO2005092583A1 (en) 2005-10-06
RU2375324C2 (ru) 2009-12-10
RU2006134284A (ru) 2008-04-10
CA2555676C (en) 2014-01-14
EP1718576A2 (en) 2006-11-08
AU2005225374A2 (en) 2005-10-06
JP2007526201A (ja) 2007-09-13
WO2005091819A3 (en) 2006-10-12
PL1718445T3 (pl) 2017-06-30
AU2005227119A1 (en) 2005-10-06
ES2619124T3 (es) 2017-06-23
BRPI0507697A (pt) 2007-07-24
CA2554983C (en) 2013-11-12
KR20060132958A (ko) 2006-12-22
EP1718576B1 (en) 2017-01-04
AU2005225374A1 (en) 2005-10-06
NZ548946A (en) 2010-06-25
MY143721A (en) 2011-06-30
JP4848357B2 (ja) 2011-12-28
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RU2355570C2 (ru) 2009-05-20
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