Extraction Back Pressure Steam turbines are used when steam at two different process pressures is required. In Extraction Back Pressure Steam Turbines the required Steam for the process at required pressures is supplied through Extraction openings and turbine exhaust while generating power in the process. https://turtleturbines.com/extraction-back-pressure-steam-turbine/

1. APPLICATION OF STEAM TURBINES IN TRIGENERATION -HEATING, COOLING AND POWER
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EXTRACTION BACK
PRESSURE STEAM TURBINE

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Extraction Back Pressure Steam turbines are used when steam at two different
process pressures is required.
In Extraction Back Pressure Steam Turbines the required Steam for the process at
required pressures is supplied through Extraction openings and turbine exhaust while
generating power in the process.
Electric output is dependent on the demand for process steam.
If required double or multiple steam extraction at different temperatures and
pressures for plant processes can be supplied through extraction openings, however,
such turbines are complex and rarely used.
An Extraction Back Pressure turbine has opened in its casing for extraction of steam at
the desired pressure.
The extracted steam may be used for process purposes.
Automatically regulated depends on the steam turbine design.
Regulated Extraction allows for better steam flow adjustments through the steam
turbine to generate additional mechanical power depending on the operating system.

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In special applications of special steam turbines, several Extraction points may be
included, each at a different pressure corresponding to a different temperature at
which heating service is needed in a plant.
However such turbines are very complex and are normally not used.
Specific needs for steam and power over time determines the extent of steam
extraction.
In large plants, additional steam may be admitted to the steam turbine. This
happens when multiple boilers and steam generation systems are used at different
Pressures because of the plant’s complexity and the need to reach thermal
efficiency.
Extraction Back Pressure Steam turbines are used in refineries, district heating units,
and pulp, and paper industries where large amounts of low-pressure process steam
are needed.
The electrical power generated by extraction back pressure turbines is directly
proportional to the amount of process Steam required.
Turtle Turbines supplies extraction back pressure turbines within India and abroad.
For more information please visit www.turtleturbines.com
Turtle Turbines is one of the most reputed Steam Turbine Manufacturers In India.

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EXTRACTION BACK PRESSURE STEAM TURBINE

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