Two-stage internal extraction turbine
Shin Nippon Machinery Co.
Shin Nippon Internal Extraction Pressure Control Type

Manufacturer: Shin Nippon Machinery Co., Ltd
Features
- Thermal energy recovery system – Utilizes the pressure difference between intake and exhaust steam to convert part of the thermal energy into mechanical power, which can then be reused for factory processes.
- Stable pressure control – Steam extracted from intermediate turbine stages is controlled precisely using internal extraction pressure regulation, maintaining constant supply pressure to the factory.
- Built-in pressure control valve – A pressure control valve inside the turbine casing regulates upstream pressure, ensuring steady extraction pressure during operation.
- Dual extraction capability – Up to two internal control valves can be installed, allowing two independent steam supply lines (e.g., medium-pressure and low-pressure steam) from a single turbine.
- Flexible operation – Enables efficient steam utilization across multiple process loads while maintaining turbine efficiency.
- Simplified system design – Reduces the need for external control systems by integrating extraction control within the turbine body.
- Improved energy efficiency – Reuses exhaust energy, thereby reducing overall energy waste and enhancing plant efficiency.
- System variations:
- Single-stage internal extraction turbine – Provides one controlled extraction line.
- Two-stage internal extraction turbine – Provides two controlled extraction lines (medium and low pressure).

Single-stage internal extraction turbine

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