If an extremely large exhaust area is needed to achieve the required steam flow, the turbine has to be designed to be half speed, that is, with a four pole generator. ... way of dealing with thermal expansion is for the bearing pedestals to slide on the foundation frame along the turbine axis. The axial thermal expansion occurs relative to the ...
An axial flow steam turbine has a nozzle ring (11) disposed circumferentially about the rotor thereof and inner and outer sections (17, 19) forming the nozzle ring (11) with confronting channels (45, 51) formed therein, and a plurality of nozzle blocks (15) having radially outwardly and inwardly extending flanges positioned in the inlet nozzle ring …
A distinction is made between turbines depending on the flow direction and state of the steam, the working process, and steam supply and discharge. ... single-stage axial impulse turbine, mounted in corrosion-resistant, sealed ball bearings; load on the turbine by eddy current brake; condenser with water-cooled coiled tube;
The axial flow within the turbine stages guides steam through the rotor, imparting its energy as it passes through the blades. The steam's high velocity and controlled expansion contribute to the efficient rotation of the rotor, ultimately driving the connected generator to produce electrical power.
STF-A1050 and STF-D1050 USC reheat steam turbines. The STF-A1050 and STF-D1050 steam turbine family expands the range of ultra-supercritical (USC) steam turbines from 150 MW to over 1,200 MW. Its cycle efficiency of up to 50% and operating flexibility improves economics and shortens payback for customers.
The repeating stage of an axial flow steam turbine is designed with the following flow angles: absolute flow angle and relative flow angle at the interface between the stator and rotor az = 75°, B2 = 45°; relative flow angle at the rotor exit B3 = -72º. An intermediate pressure steam turbine is to be designed with 7 repeating stages.
The length of a blade depends on the style (impulse or reaction), the overall size of the turbine, whether it is an axial flow or radial flow turbine, and where the blade is located within turbine ...
Inlet steam: 250 psig/404 °F Extraction steam: 45 psig/292.4 °F Exhaust steam: 2.5" hga Maximum inlet steam flow: 10,500 lbs/hr Extraction steam flow: 6,250 lbs/hr Condensing steam flow: 4,250 lbs/hr Power at zero extraction: 240 …
Spirit™ 16 – Gas Turbine Power Generation System Spirit 16 Overview: CAI Spirit™ 16 MW Power Generation Systems utilize the highly efficient single shaft Baker Hughes NovaLT™16 gas turbine generating 16.9 MW at ISO conditions (59°F/15°C, sea level, 60% relative humidity). The unit MW size fits well into CAI's Spirit line of modular, skid …
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STF-D1250 and STF-D2250 A USC reheat platforms. Two high-performance turbine platforms designed to take steam power generation to new efficiency levels in both 50 and 60 Hz grids without compromising …
Extraction steam flow: 6,250 lbs/hr Condensing steam flow: 4,250 lbs/hr Power at zero extraction: 240 KW Steam rate at zero extraction: 17.71 lbs/kwh ... Steam Turbine, gear …
• Expansion nozzle. • The shaft along with the disc mounted upon it comprises the most important part of the turbine and is known as the rotor, which is housed in the turbine casing. ... especially those of high power are axial flow. • In such turbines the steam flows in direction parallel to the axis of the shaft leaves the turbine in ...
Directly coupled steam turbines in combined-cycle applications must provide the perform-ance and flexibility required for integration. MDT's, 2,500 HP to 80,000 HP BFPT's, 3-35 …
Figure 1 represents a typical turbine double flow low pressure stage. As the rotor grows longer, clearances between the rotor mounted blade rows and the case mounted diaphragms diminish. Care should be taken to seal steam temperatures applied to the unit, as excessive seal steam temperatures have been known
The SST-500 is a single casing, double exhaust flow steam turbine, which can be used as an entire drive or as the lowpressure module of a multiple-casing turboset, directly driven or geared. ... downward or axial exhaust to fit with the selected installation. The turbine skid can be combined with a standardized gearbox, oil units, and ...
An axial flow steam turbine, especially of the double-flow type, having an annular shaft screen (6) which is arranged in the area of a steam inflow (1, 2), which is spaced from and surrounds a shaft (5) and which is connected to the radial inner ends of guide vanes (7, 7') of a first guide vane ring, characterised in that nozzles (8) are formed ...
The use of constant pressure combustion with a rotary compressor driven by a rotating turbine mounted in a common shaft gives an ideal combination of stable mass flow over a wide operating range. Gas …
skid backpressureATP8 Power ranges of the ATP steam turbine family 1 which the turbine, gear unit, generator and oil plant components are mounted already in the factory. ATP2 partial packages (approximately 6–40 MW) are designed to overcome transport problems. The turbine, gear INDUSTRIAL STEAM TURBINES
The SST-200 is a single casing steam turbine provided in a packaged, skid-mounted configuration. It represents a solution based on long experience with both mechanical …
The condensing turbine can use the total energy of the inlet steam flow to a maximum extent. This type of steam turbine is used in power plants that are highly reliable to meet the power generation requirements. ... Exhaust casing with provision for Radial/Axial exhaust orientation ... Turbine skid insulation Ceramic blanket type insulation (-9)
Skid packages are available with bespoke drive options such as steam turbines, gas or diesel engines, pneumatic or electric motors. Download Brochure Our team design and configure each skid package calculating …
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Download scientific diagram | Axial and transverse assembly of a micro-steam turbine on changeable bed. the performance of the major components of micro-steam thermal unit mounted on an adjustable ...
A thrust bearing is mounted at one end of the main shaft to maintain its axial position and keep the moving parts from colliding with the stationary parts. The journal bearing supports the main shaft and …
This chapter presents a case study highlighting technical and nontechnical aspects of the steam turbine performance degradation. On the technical side, seal leakage in an axial flow turbine was observed, corporate engineering standards were improved, and plans were laid for long-term improvements to performance with advanced …
7. Principles of operation •The power in a steam turbine is obtained by the rate of change in momentum of a high velocity jet of steam impinging on a curved blade which is free to rotate. •The steam from the …
The steam turbine is essentially defined by the following design features: • Axial-flow, single-casing construction. • Live-steam admission is possible from above, below, or the …
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Industrial Steam Turbines. Whatever your need for a prime mover, Siemens can provide you with versatile, reliable and proven indus-trial steam turbines. A world leader in steam turbine technology, with over 100 years of experience and continuous development, and a fleet of more than 20,000 installed turbines, we are a prime partner for your ...
Steam supply from steam generator gas-fired or electrical. Various safety devices for safe operation. Sensors and digital indicator for speed, temperature, pressure and flow rate. A software for data acquisition via usb under windows 8, 10. Features. Single-stage axial impulse turbine. Rotor inner diameter: 54mm; Max. speed: 40000min-1; Max.
