Modelling of mineral matter transformation and deposition in furnaces:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Aachen
Shaker
2012
|
| Schriftenreihe: | Berichte aus der Energietechnik
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | VIII, 148 S. Ill., graph. Darst. |
| ISBN: | 9783844015447 |
Internformat
MARC
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| 100 | 1 | |a Magda, Adrian |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Modelling of mineral matter transformation and deposition in furnaces |c Adrian Magda |
| 264 | 1 | |a Aachen |b Shaker |c 2012 | |
| 300 | |a VIII, 148 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 0 | |a Berichte aus der Energietechnik | |
| 502 | |a Zugl.: Braunschweig, Techn. Univ., Diss., 2012 | ||
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Datensatz im Suchindex
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|---|---|
| adam_text | IMAGE 1
C O N T E N T S
LIST O F T A B L E S A N D FIGURES V
1 I N T R O D U C T I O N 1
1.1 MOTIVATION 1
1.2 GOAL 1
2 S T A T E O F T H E A R T 3
2.1 ASH-FORMING ELEMENTS IN COAL 3
2.2 MINERAL DISTRIBUTION MODEL 3
2.3 MINERAL TRANSFORMATION 5
2.3.1 PHYSICAL TRANSFORMATION OF INHERENT MINERAL INCLUSIONS 7
2.3.1.1 COALESCENCE 9
2.3.1.2 C H A R FRAGMENTATION 10
2.3.1.3 SINTERING 11
2.3.1.4 SHEDDING OF SURFACE ASH 11
2.3.2 PHYSICAL TRANSFORMATION OF EXCLUDED MINERAL GRAINS 11
2.3.2.1 FRAGMENTATION 11
2.4 FLY ASH TRANSPORTATION A N D DEPOSITION 12
3 COAL CLASSIFICATION A N D M I N E R A L M A T T E R IN C O A L S 1 5
3.1 COAL ORIGINS 15
3.2 MINERALS COMMONLY PRESENT IN COALS A N D THEIR EUTECTICS 18
3.2.1 SULFIDES 21
3.2.1.1 PYRITE 21
3.2.1.2 IRON SULFIDE 25
3.2.2 HALIDES 26
3.2.2.1 HALITE 26
3.2.3 OXIDES 26
3.2.3.1 Q U A R T Z 26
3.2.3.2 HAEMATITE 28
3.2.3.3 MAGNETITE 28
3.2.3.4 PERICLASE 29
3.2.3.5 RUTILE 30
3.2.3.6 ALUMINA 31
3.2.4 CARBONATES 31
3.2.4.1 CALCITE 32
I
HTTP://D-NB.INFO/1028367341
IMAGE 2
3.2.4.2 DOLOMITE 35
3.2.4.3 SIDERITE 35
3.2.4.4 MAGNESITE 37
3.2.4.5 ANKERITE 3 7
3.2.5 SULPHATES 38
3.2.5.1 GYPSUM 38
3.2.5.2 MELANTERITE 39
3.2.6 PHOSPHATES 40
3.2.6.1 APATITE 40
3.2.7 SILICATES 40
3.2.7.1 KAOLINITE 40
3.2.7.2 ILLITE (MUSCOVITE) 42
3.2.7.3 MONTMORILLONITE 43
3.2.7.4 CHLORITE 44
3.2.7.5 ORTHOCLASE (K-FELDSPAR) 44
4 MINERAL KINETICS 4 5
4.1 EQUILIBRIUM OVERVIEW 45
4.2 KINETICS OF SOLID-STATE REACTIONS 45
4.2.1 T H E SHRINKING CORE MODELL (SCM) 48
4.3 COAL, MINERAL, REACTION A N D PHASE DIAGRAM DATABASE 50
5 FLOREAN D E S C R I P T I O N 5 3
6 M I N T R A N ( M I N E R A L T R A N S F O R M A T I O N P R O G R A
M ) D E S C R I P T I O N 5 7
6.1 LAGRANGIAN APPROACH 57
6.1.1 EQUATION OF MOTION 57
6.1.2 COAL COMBUSTION 60
6.1.2.1 MOISTURE EVAPORATION MODEL 60
6.1.2.2 COAL DEVOLATILIZATION 61
6.1.2.3 C H A R COMBUSTION 62
6.1.2.4 PARTICLE DIAMETER A N D DENSITY CHANGE DURING THE COM BUSTION
65
6.1.2.5 PARTICLE HEAT BALANCE 67
6.2 DEPOSIT PHYSICAL PROPERTIES 70
6.2.1 DEPOSIT THERMAL CONDUCTIVITY 70
6.3 EULER-LAGRANGE COUPLING 74
7 V A L I D A T I O N O F T H E S I M U L A T I O N M O D E L 7 7
7.1 COMPARISON WITH EXPERIMENTS IN I W B T TEST FURNACE 77
7.1.1 TEST FACILITY DESCRIPTION 77
7.1.2 MAJOR MINERAL TRANSFORMATIONS OF HAMBACH COAL 78
7.1.3 C F D SIMULATION RESULTS A N D DISCUSSION 84
I I
IMAGE 3
7.2 COMPARISON OF C F D RESULTS WITH REAL SIZE POWER PLANT TESTS 87
7.2.1 FACILITY DESCRIPTION 87
7.2.2 I M P A C T OF WALL EMISSIVITY O N BOILER BEHAVIOUR 101
7.2.3 IMPACT OF H E A T TRANSFER COEFFICIENT ON BOILER BEHAVIOUR 102
7.2.4 I M P A C T OF EXCESS AIR ON BOILER BEHAVIOUR 104
8 C O N C L U S I O N S 1 0 9
A P P E N D I X 1 1 1
I I I
|
| any_adam_object | 1 |
| author | Magda, Adrian |
| author_facet | Magda, Adrian |
| author_role | aut |
| author_sort | Magda, Adrian |
| author_variant | a m am |
| building | Verbundindex |
| bvnumber | BV040921997 |
| ctrlnum | (OCoLC)828725215 (DE-599)DNB1028367341 |
| dewey-full | 621.4023 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 621 - Applied physics |
| dewey-raw | 621.4023 |
| dewey-search | 621.4023 |
| dewey-sort | 3621.4023 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen Energietechnik |
| format | Thesis Book |
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| id | DE-604.BV040921997 |
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| indexdate | 2024-07-10T00:35:25Z |
| institution | BVB |
| isbn | 9783844015447 |
| language | English |
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| physical | VIII, 148 S. Ill., graph. Darst. |
| publishDate | 2012 |
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| publisher | Shaker |
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| series2 | Berichte aus der Energietechnik |
| spelling | Magda, Adrian Verfasser aut Modelling of mineral matter transformation and deposition in furnaces Adrian Magda Aachen Shaker 2012 VIII, 148 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Berichte aus der Energietechnik Zugl.: Braunschweig, Techn. Univ., Diss., 2012 Wärmeübertragung (DE-588)4064211-2 gnd rswk-swf Ablagerung (DE-588)4397667-0 gnd rswk-swf Fouling (DE-588)4128538-4 gnd rswk-swf Verschlackung (DE-588)4734180-4 gnd rswk-swf Asche (DE-588)4143201-0 gnd rswk-swf Kohlenstaubfeuerung (DE-588)4164535-2 gnd rswk-swf Numerische Strömungssimulation (DE-588)4690080-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Kohlenstaubfeuerung (DE-588)4164535-2 s Asche (DE-588)4143201-0 s Ablagerung (DE-588)4397667-0 s Fouling (DE-588)4128538-4 s Verschlackung (DE-588)4734180-4 s Wärmeübertragung (DE-588)4064211-2 s Numerische Strömungssimulation (DE-588)4690080-9 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025901137&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Magda, Adrian Modelling of mineral matter transformation and deposition in furnaces Wärmeübertragung (DE-588)4064211-2 gnd Ablagerung (DE-588)4397667-0 gnd Fouling (DE-588)4128538-4 gnd Verschlackung (DE-588)4734180-4 gnd Asche (DE-588)4143201-0 gnd Kohlenstaubfeuerung (DE-588)4164535-2 gnd Numerische Strömungssimulation (DE-588)4690080-9 gnd |
| subject_GND | (DE-588)4064211-2 (DE-588)4397667-0 (DE-588)4128538-4 (DE-588)4734180-4 (DE-588)4143201-0 (DE-588)4164535-2 (DE-588)4690080-9 (DE-588)4113937-9 |
| title | Modelling of mineral matter transformation and deposition in furnaces |
| title_auth | Modelling of mineral matter transformation and deposition in furnaces |
| title_exact_search | Modelling of mineral matter transformation and deposition in furnaces |
| title_full | Modelling of mineral matter transformation and deposition in furnaces Adrian Magda |
| title_fullStr | Modelling of mineral matter transformation and deposition in furnaces Adrian Magda |
| title_full_unstemmed | Modelling of mineral matter transformation and deposition in furnaces Adrian Magda |
| title_short | Modelling of mineral matter transformation and deposition in furnaces |
| title_sort | modelling of mineral matter transformation and deposition in furnaces |
| topic | Wärmeübertragung (DE-588)4064211-2 gnd Ablagerung (DE-588)4397667-0 gnd Fouling (DE-588)4128538-4 gnd Verschlackung (DE-588)4734180-4 gnd Asche (DE-588)4143201-0 gnd Kohlenstaubfeuerung (DE-588)4164535-2 gnd Numerische Strömungssimulation (DE-588)4690080-9 gnd |
| topic_facet | Wärmeübertragung Ablagerung Fouling Verschlackung Asche Kohlenstaubfeuerung Numerische Strömungssimulation Hochschulschrift |
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