Siemens steam turbine exhaust hood spray

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August undefined, 2024

Websteam exhaust of BFPT, inner steam extraction pipeline, and the LP heater, etc. The LSB is designed as 80 rotor blades and 52 stator blades. The radial height of the rotor blade and blade tip clearance are 1029 mm and 11.2 mm, respectively. Fig. 1. Schematic diagram of the typical twin LP exhaust hood in a 600 MW steam turbine. The model ... WebDec 15, 2015 · Points: 2. (₹ 2) Condensate water is sprayed into the low pressure turbine exhaust hoods to condense the steam, reduce backpressure and increase turbine …

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WebElectrical engineer with over five years of professional experience in the field of electrical power, instrumentation, automation, control engineering & project management. Worked with teams of engineers and project managers of companies like General Electric, Allen Bradley, Siemens, Baker Hughes etc. I have demonstrated ability of delivering high value … WebGE Steam Turbine Design Philosophy Techology Programs optic processing

What is exhaust hood in turbine? - Answers

WebDec 19, 2013 · The generic, IP free, exhaust hood and last stage blade geometries from Burton et al. (2012. “A Generic Low Pressure Exhaust Diffuser for Steam Turbine Research,”Proceedings of the ASME Turbo Expo, Copenhagen, Denmark, Paper No. GT2012-68485) that are representative of modern designs, are used to demonstrate the … WebAug 20, 2015 · Best Answer. Copy. Hood spray is injection of water near the outlet part of the last stage of the low pressure turbine to prevent overheating of the turbine exhaust … WebOur steam turbines work as generator drives or as mechanical drives for compressors or pumps. They play a significant role in many combined cycle and cogeneration plants and in industrial applications. Steam turbines are also often applied in the renewable energy sector. Be it power generation plants, district heating, biomass, waste-to-energy ... porthun thiede systemhaus

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WebJan 22, 2024 · An exhaust hood guides steam from the last stage of the steam turbine, and it is designed to minimize pressure loss, which would decrease the thermal efficiency of the steam turbine. After the steam leaves the exhaust section, it enters a condenser, where it is cooled to a liquid state. WebThe Electric Power Research Institute (EPRI) conducts research, development, and demonstration projects for the benefit of the public in the United States and internationally. As an independent, nonprofit organization for public interest energy and environmental research, we focus on electricity generation, delivery, and use in collaboration with the … porthugesWebSteam is exhausted to the LP turbine at around 6 bar (87 psi) at 165⁰C (329⁰F). Steam is then exhausted from the LP turbine into the condenser at 720mm Hg (-0.95 bar/-13.77 … optic promotion

"WebJun 1, 2013 · This paper summarizes the findings from research studies carried out over the last 30 years, to better understand the flows in steam turbine low pressure exhaust hoods and diffusers. The work aims to highlight the areas where further study is still required. A detailed description of the flow structure is outlined and the influence of the last turbine … " - Siemens steam turbine exhaust hood spray

Siemens steam turbine exhaust hood spray

What is purpose to spray in exhaust hood of steam turbine?

WebMar 1, 2015 · This reduces wear and tear on the gas turbine and steam turbine (ST) from frequent starts, as in equivalent start formulations. The cost to start a large GT is typically estimated at $12,000 to ... WebExhaust-hood sprays, designed to keep the exhaust diffuser and expansion joint from overheating, inject water into the steam flow immediately downstream of the LSBs. Curtain-water spray systems for quenching high-enthalpy bypass steam introduced to the condenser during startup, shutdown, and/or GT blending in combined cycles with multiple engines.

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WebExhaust Directions and Characteristics of Steam Turbines for Geothermal Plants. Mitsubishi Power offers a lineup of steam turbines with upward, axial and downward exhaust hood designs to suit different turbine … WebAug 29, 2024 · The IP turbine exhaust is about 1100°C and 1.2 bar pressure. Both the IHP turbine and the IP turbine produce very high temperature exhaust stream requiring high temperature piping designs. The IP expansion stream is cooled in the HRSG to about 240°C before expansion in the LP turbine. What is exhaust hood temperature in steam turbine?

WebThe vent duct directs the steam mixture to the offgas penetrations where it will be further processed (Offgas System, Section 8.1). The condenser units also serve as a heat sink for … WebDec 15, 2006 · The use of longer steam turbine last-stage blades (LSBs) reduces the number of low-pressure casings and, thus, a turbine's total installed cost. In many cases longer blades extract more energy ...

WebAug 30, 2024 · Performance optimization of low pressure steam turbine exhaust hood has been a subject of a number of both numerical and experimental studies. This is driven by the understanding that improving the diffuser and exhaust hood outer casing performance results in a lower turbine back pressure and hence an increased plant overall output.The … WebMar 14, 2009 · Best Answer. Copy. High exhaust temperature is the result of followings # Excessive wear on impulse wheel # Ineicient tip sealing arrangement # High inlet steam temperature. Wiki User.

WebSep 1, 2009 · The document deals with the flow in the exhaust hood of a single flow steam turbine. The effect of the shape of the external case of the hood and the position and …

WebNov 1, 2024 · Under the windage condition, the steam in the last stage of steam turbine absorbs energy from rotor blade, which leads to overtemperature of the exhaust steam. … porthuntWebMay 24, 2016 · Three major steam turbine repair types have become clear as a result of this shift in maintenance focus. Failure Based – Component failure with collateral component damage, forced outage ... optic processWebPRODUCTS. We have unrivalled experience in the provision of innovative rotating equipment for processes and applications in industries all around the world. Our specialists will consider your requirements including volume, pressure, gas type, size constraints, and many other variables to guide you to the right solution for your application. optic professionalWebMar 27, 2024 · To investigate the aerodynamic performance of exhaust passage under multi-phase flow, an actual case is conducted in the low-pressure double exhaust passages of 600 MW steam turbine. Then, the flow field is compared and analyzed with and without the built-in extraction pipelines based on the Eulerian–Eulerian homogenous … optic pronounceWebNov 1, 2024 · The spray water in exhaust passage of steam turbine during windage is simulated. • The water/steam ratio and operating conditions have a quadratic relationship. • Water spray increases the height and velocity of back flow vortex. • The pressure of the last stage and the pressure ratio of the rotor blade are increased by water spray. • porthurddWebJan 3, 2015 · Jan 3, 2015. #2. The function of high exhaust hood temperature trip is prevent damage/failure of the latter stages of the LP turbine. Increasing temperature would be the … optic productsWebaip.scitation.org porthuronbethlehemtemplechurch