swedish steam turbine technology… - microsoft · lund university / lth / energy sciences / tpe /...
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![Page 1: Swedish steam turbine technology… - Microsoft · Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 139 Swedish steam turbine technology…](https://reader034.vdocuments.net/reader034/viewer/2022042105/5e8353bf9f4e4d7e0745c009/html5/thumbnails/1.jpg)
Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 139
Swedish steam turbine technology…
![Page 2: Swedish steam turbine technology… - Microsoft · Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 139 Swedish steam turbine technology…](https://reader034.vdocuments.net/reader034/viewer/2022042105/5e8353bf9f4e4d7e0745c009/html5/thumbnails/2.jpg)
Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 140
Old Ljungström turbine (STAL)
Svenska Turbinaktiebolaget Ljungström - STAL
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 141
Ljungström turbine (STAL)
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 142
The Ljungström turbine – pros and cons
Pros:• High stage heat drop• Very high efficiency
Tall and untwisted blades• Fast start
Heat in the center No long rotor
Cons:• Expensive
Complicated Two generators High founding
• Volumetric flow issues Short exit blades I.e. only back-pressure
applications Wiberg™ and Durax™
• Extractions
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 143
Ljungström turbine – turbine discs
Steam admission
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 144
Ljungström turbine – outward expansion
Direction of rotation
Direction of rotation
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 145
Ljungström turbine – ring with “dog bone”
Expansion rimSeal
Seal Blade
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 146
Ljungström turbine – blading system
Overload / capacity by-pass
Extraction
Back-pressure
Steam admission
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 147
Ljungström turbine – end plates
Right side-plateLeft side-plate
Steam admission
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 148
Ljungström turbine – side plate
Side plate
Steam
Steam
Steam
Steam
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 149
Ljungström turbine
Gland leak system
Shaft seal (labyrinth)
Labyrinth plates
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 150
Ljungström turbine – shaft seal
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 151
Ljungström turbine
Overload / capacity by-pass
Extraction
Back-pressure
Admission
Expansion rimSeal
Seal Blade
Gland leak system
Shaft seal (labyrinth)
Labyrinth plates
![Page 14: Swedish steam turbine technology… - Microsoft · Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 139 Swedish steam turbine technology…](https://reader034.vdocuments.net/reader034/viewer/2022042105/5e8353bf9f4e4d7e0745c009/html5/thumbnails/14.jpg)
Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 152
STAL Ljungström-type turbinesMöller
Wiberg
Ljungström
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 153
Back-pressure unit
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 154
Condensing unit – Wiberg blading
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 155
Condensing unit – Wiberg blading
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 156
Condensing unit – DURAX
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 157
Condensing unit – DURAX
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 158
Condensing unit – DURAX
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 159
Condensing unit – DURAX
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 160
Condensing unit – DURAX
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 161
Condensing unit – DURAX
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 162
Control stage
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 163
Stenungssund block 3&4
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 164
Advanced solutions – control stage
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 165
Advanced solutions – controlled extraction
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Lund University / LTH / Energy Sciences / TPE / Magnus Genrup /2017-10-02 166
Advanced solutions – controlled extraction