STEAM TURBINE
Type of steam turbine based on the direction of flow:
- Axial Turbine → upright shaft
- Radial Turbines → parallel to the axis
Basic Principles:
- Changing steam heat energy into velocity energy by passing steam into the Guide apparat where the potential energy of the steam velocity decreases but the energy increases.
- Changing energy into mechanical energy turbine speed.
CLASSIFICATION OF TURBINE
- According Vapor Pressure:
1. Low pressure from 1.2 to 2 atmAbs
2. Pressure Medium <4 atmAbs
3. High Pressure> 40 atmAbs
4. Pressure Very High 170 atmAbs T 550º C
5. Critical Pressure 225 atmAbs
- According to Number of Cylinders:
1. Turbine Single Cylinder
2. Turbine Many Cylinder
3. Multi Axial Turbine
- According to the Steam Flow Direction:
1. Axial Turbine
2. Radial Turbines
- According to Action Movement Against Vapor Blade:
1. Impulse Turbine
2. Reaction Turbine
3. Combination Turbines (Impulse and Reaction)
- According to Heat Absorption Process:
1. Condensing Steam Turbine
2. Without Condensing Steam Turbine
3. Turbine With Re-Heating
4. Turbine With Extraction
5. Pressure Turbine With Mixed
- Turbine Main Section:
1. The rotor (the moving part)
2. Turbine Blade
3. The Home Turbine
4. The stator (part Silence)
- Lubrication way:
1. Batch
2. Splash / Sparks
3. Intermittent / Intermittent alternating
4. Lubrication Press
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