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Krips
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    Wärmetauscher

    Aktuelle Probleme der Konstruktion und Berechnung

    Wärmetauscher
    Aktuelle Probleme der Konstruktion und Berechnung

    Autoren:

    Verlag:
    Vulkan Verlag  Weitere Titel dieses Verlages anzeigen

    Auflage: 2. Auflage.
    Erschienen: Januar 2000
    Seiten: 229
    Sprache: Deutsch
    Preis: 69.00 €
    Maße: 228x164x20
    Einband: Taschenbuch
    ISBN: 9783802725449

    Inhaltsverzeichnis

    © ABC Advanced Book Catalog

    Inhaltsverzeichnis

    1.

    Wärmetauscher im Kraftwerksbau

    1

         

    1.1

    Wärmetauscherrohre

    2

    1.1.1

    Erosion und Erosionskorrosion

    2

    1.1.2

    Tropfenschlag

    13

    1.1.3

    Korrosion

    13

    1.1.4

    Spaltkorrosion und Kontaktkorrosion

    15

    1.1.5

    Spannungsrißkorrosion

    17

    1.1.6

    Schwingungsschäden

    17

    1.2

    Druckführende Mäntel

    17

    1.2.1

    Wasserkammer der Vorwärmer

    18

    1.2.2

    Vorwärmermantel

    23

    1.2.3

    Entlüftung des Dampfraumes

    23

    1.2.4

    Kondensatkühler

    25

    1.3

    Behältermantel

    31

    1.3.1

    Speisewasserbehälter und Entgaser

    32

    1.4

    Mehrstufenvorwärmer

    37

    1.5

    Der Wärmetauscher in der Prozeßwärmenutzung

    38

    1.5.1

    U-Rohr-Dampferzeuger

    39

    1.5.2

    Geradrohr-Dampferzeuger

    49

     

    Literaturverzeichnis

    59

     

     

     

    2.

    Berechnung von Strukturspannungen mit Hilfe der Stufenkörpermethode

    61

     

       

    2.1

    Einleitung

    61

    2.2

    Anwendung der Stufenkörpermethode im Apparatebau

    62

    2.3

    Ebener Boden

    64

    2.4

    Gewölbter Boden

    65

    2.5

    Kugelschale

    73

    2.6

    Zylinderschale

    75

    2.7

    Kegelschale

    78

    2.8

    Rohrplatte

    84

    2.9

    Ring

    87

    2.10

    Verknüpfung der einzelnen Stufenkörper

    89

     

    Literaturverzeichnis

    93

     

     

     

    3.

    Rohrplattenberechung

    94

         

    3.1

    Einleitung

    94

    3.2

    Berechnung der Rohrplatte nach den Regelwerken

    95

    3.3

    Die rechnerische Behandlung des perforierten Plattenbereiches

    96

    3.4

    Beispiel einer Rohrplattenanalyse

    99

     

    Literaturverzeichnis

    101

     

     

     

    4.

    Flanschdimensionierung im Druckbehätterbau

    102

         

    4.1

    Einleitung

    102

    4.2

    Schraubenauslegung

    104

    4.3

    Dichtungswahl

    106

    4.4

    Flanschdimensionierung nach den Vorschriften

    110

    4.5

    Flanschdimensionierung mit Hilfe einer Verformungsberechnung

    115

    4.6

    Die Konstruktion des Verspannungsschaubildes

    135

    4.7

    Die Ursachen einer möglichen Flansch-Undichtigkeit

    148

     

    Literaturverzeichnis

    152

     

     

     

    5.

    Verfahren zur Befestigung von Rohren in Rohrplatten und Sammlern

    154

         

    5.1

    Einleitung

    154

    5.2

    Einschweißen von Rohren

    157

    5.3

    Einwalzen von Rohren

    160

    5.4

    Hydraulisches Aufweiten von Rohren

    169

    5.5

    Einsprengen von Rohren

    203

     

    Literaturverzeichnis

    211

     

    Zusätzliches Literaturverzeichnis zu einzelnen Themen

    214

     

    Anhang

    220

     

     

     

     

    Stichwortverzeichnis

    228

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    Stichwortverzeichnis

    A
    Abklingfaktor 62
    Anfahren 137, 149
    Anwärmdampf 36
    Apparatebau 62
    Aufschweißflansch 110
    Aufweitanlage 170
    Aufweiten 154, 169
    Aufweitdruck 169, 179. 183
    Aufweitpistole 170
    Aufweitsonde 170
    Auszugskraft 170, 181
    Ausdampfvolumina 29

    B
    Berechnungsbeiwert 96
    Betriebszustand 104, 108, 110, 113
    Blattflanschneigung 114

    C
    Compoundmasse 152

    D
    Dampferzeuger 154
    Deckel 102, 103, 115, 135, 139
    Dehnungsbehinderung 31
    Dehnungsmessung 61, 178
    Detonationsgeschwindigkeit 204
    Denting 16, 48
    Dichtung 102, 106, 108, 131, 139
    Dichtungskennwert 108, 110, 149
    Differentialgleichung 61, 95, 120
    Differenzverfahren 198
    Druckmultiplikator 170
    Druckverlust 1

    E
    Eigenspannung 17
    Einbauzustand 104, 106, 110, 113, 140, 149
    Einschweißen 154, 157
    Einspannung 94
    Einsprengen 154, 203
    Einwalzen 154, 160
    Elastizitätsmodul 68, 84, 94
    Entgasung 33
    Entlüftung 14, 23
    Ermüdungsnachweis 96
    Erosion 1, 2, 23

    F
    Finite Element Methode 94, 144, 180, 183
    Flansch 87, 102, 108, 110, 115, 131, 135
    Flanschwiderstand 110, 113
    Flächenpressung 102, 108, 110
    Fließbedingung nach Mises 175
    Fourier- Reihenentwicklung 62

    G
    Geschwindigkeit
    - Dampf 4, 5
    - Wärme 2, 21
    Gitterkonstruktion 11, 16
    Grenzdruck 179

    H
    Haftaufweitung 73, 89
    Haftdruck 169, 179, 183, 195
    Halbkugelboden 73, 89
    Hochdruckschlauch 173
    Hydraulik 149, 203

    I
    Innenisolierung 49

    K
    Kavitation 23, 27, 29, 31
    Kegelschale 62, 78
    Kelvinfunktion 82
    Klöpperboden 66
    Kompatibilitätsbedingung 61, 91
    Kondensationsschläge 27, 36
    Kondensatentspannung 13, 23
    Kondensationskühler 25
    Konservierung 14
    Kontaktkorrosion 15
    Kontinuitätsbedingung 117, 135
    Korbbogenboden 66
    Korrosion 13
    Kraftgrößenvektor 64, 89
    Kraftgrößenverfahren 61
    Krafthauptschluß 103, 108
    Kraftnebenschluß 103, 108
    Kreisringschale 65
    Kugelschale 62, 65, 73, 74

    L
    Losflansch 110
    Längsströmung 11, 13

    M
    Magnetitschicht 19, 51
    Materialermüdung 23
    Mehrstufenvorwärmer 37
    Medientrenner 170
    Mikrometerbügel 150
    Momentenschlüssel 149

    N
    Nachgiebigkeitsmatrix 63, 64, 89, 92
    Nortongesetz 195

    P
    pH- Wert 2, 11
    Plastifizierung 194
    Prallgitter 4, 15
    Prozeßwärmetauscher 38

    Q
    Qualitätssicherung 1
    Quarzdruckaufnehmer 173

    R
    Randkraft 85, 87
    Randmoment 85, 87
    Randstörspannung 61
    Reibungskoeffizient 181
    Ring 62, 84, 87
    Rohrbefestigung 2, 15, 154
    Rohrplatte 62, 84, 94, 95, 100, 115, 154, 180

    S
    Sammler 154
    Sammlerkonstruktion 21, 47, 48
    Schikorr- Reaktion 19, 52
    Schraube 102. 104, 131, 139
    Schutzschicht 11, 19, 50
    Schwingungsschäden 17
    Sekundärnässe 6, 11
    Sicherheitsbeiwert 108
    Spaltkorrosion 15
    Spannungsdeviator 175
    Spannungserhöhungsfaktor 62
    Spannungsrißkorrosion 17
    Steifigkeit 89
    Stillstandkorrosion 14
    Strain Blocking 55
    Stufenkörpermethode 61, 62, 89, 96, 115
    Strömungsgleichrichter 3
    Stülpmittelpunkt 117

    T
    Temperaturausdehnungskoeffizient 64, 86
    Temperaturgradient 23
    Thermische Symmetrie 8
    Tropfenschlag 13

    U
    Ultraschall 150
    Unterkühlungsäquivalent 29
    U- Rohrkonstruktion 84, 94
    Überströmventil 170

    V
    Verdampfer 38
    Verdrehung 77, 82, 89, 117, 123
    Verformungsvektor 64, 79
    Verfügbarkeit 1
    Verschiebung 77, 82, 89, 117, 123
    Verschwächungsbeiwert 96, 100
    Verspannungsschaubild 114, 135, 140
    Vorschweißflansch 110, 117
    Vorspannung 99

    W
    Walzstein 162
    Wasserführungskammer 19
    Wasserkammer
    - geflanscht 18
    - geschweißt 19
    - selbstdichtend 21
    Wärmedehnung 154

    Z
    Zusatzentgasung 34
    Zylinderschale 62, 75, 125
    Zylindersteifigkeit 77