81310

Series:	*
Part Status:	Active

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<p>81310 is a radial-vaned mixed-flow turbine developed by Hitachi Power Systems. It has been designed mainly for use in large power plants, particularly in the combined cycle plants. It is capable of operating at power and pressure levels up to 400MW, and is the most powerful turbine available from Hitachi.</p><h2>Application Field</h2><p>The 81310 turbine has a wide range of applications. It can be used in both the nuclear and fossil fuel power plants. It is most commonly used in combined cycle power plants, where it operates at quite high pressure and temperature levels, up to 400MW. It can also be used in simple cycle power plants where it will provide more efficient operation than traditional single-shaft turbines. </p><h2>Working Principle</h2><p>The 81310 turbine has two main parts, a radial-vaned turbine and a mixed-flow convergent-divergent nozzle. The turbine is made up of two concentric rings of blades with a pattern of alternating wide and narrow blades. The outside ring has the wide blades and the inside ring has the narrow blades. The blades are made from corrosion-resistant nickel-base alloy and are designed to efficiently transfer the energy from the steam to the rotor. The nozzle consists of a convergent-divergent portion which is designed to reduce the pressure of the steam before it enters the turbine, thus increasing the energy transfer efficiency. The steam enters the turbine through the nozzle and is then channeled through the wide blades of the outer ring. The steam is then channeled through the narrow blades of the inner ring and is then exhausted out the back of the turbine.</p><h2>Advantages</h2><p>The main advantages of the 81310 turbine are its high efficiency and power output, its robust construction, and its resistance to corrosion. It is also very reliable and easy to maintain. Its wide range of applications make it an ideal choice for any large power plant, regardless of the fuel type. Its superior performance and flexibility also ensure that it can be used in a variety of conditions, ranging from simple cycle power plants to combined cycle power plants operating at high pressure and temperature levels.</p>

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