Siemens steam turbine exhaust hood spray

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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. WebAn exhaust hood is a key component of the local exhaust ventilation system, which is mainly composed of an exhaust hood, duct, fan, and dust removal and purification equipment, as shown in Fig. 2.4. Figure 2.4. Components of an exhaust ventilation system.

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WebJan 26, 2008 · In our plant we have a 100mw siemens make steam turbine.Now there is drop wise condensate leakage in the parting off line near exhaust hood,in running condition it is very diffuclt to locate that point so sir is there any process to locate that point in running condition of turbine. 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 … green accounting bidang csr

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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 … WebOutput. Up to 250 MW. Main steam conditions. Up to 16.5 MPa / Up to 600°C. Reheat steam conditions. Up to 600°C. Revolutions per minute. 3,000 min -1 (50 Hz) / 3,600 min -1 (60 Hz) Downward exhaust can also be designed if the customer has such requirements. 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. flowering dogwood leaf margin

Exhaust hood for steam turbines-single-flow arrangement

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WebThe condensate system shall supply flow to the turbine exhaust hood spray, condensate pump seals, steam turbine bypass desuperheater, and gland steam desuperheater. A recirculation valve shall be provided to maintain minimum flow through the condensate pumps. The recirculation flow is routed to the condenser hotwell. WebParticipate with commissioning team to commission turbine generator BOP systems including lube oil, seal oil, gland steam, Hydraulic oil, Exhaust hood spray, ... Lead subcontractors to install SIEMENS gas turbines (SGT5-8000H), steam turbine (SST5-5000), generators (SGEN5-2000H) from green field site to erection clearance certificate ... flowering dogwood in summerWebExhaust 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 … green accountants cwmbran

"WebSteam Turbine Last Stage and Exhaust Hood, European Conference on Turbomachinery and Fluid Dynamics and Thermodynamics, 2nd, pp.21-27, 1999. [2] J. Linhart and M. Hoznedl, Properties and Improvements of Flow in Steam Turbine Exhaust Hood, Proc.: SUST Shanghai: International Conference on Energy and the Environment, Dec., Shanghai, … " - Siemens steam turbine exhaust hood spray

Siemens steam turbine exhaust hood spray

THE RIGHT PART THE FIRST TIME - MDA Turbines

WebJan 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 … WebEach of the two (2) power blocks consists of three (3) gas turbines, three (3) HRSGs, and two (2) steam turbines. The three (3) HRSGs of each block supply high pressure (HP) steam to a header that in turn feeds the two (2) steam turbines. Each HRSG is provided with a start-up bypass valve that directs excess steam to a condenser

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WebMay 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 ... 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 ...

WebSingle Stage Turbine. Siemens Produces the most complete range of single-stage turbines in the world for driving pumps, blowers compressors, generators and fans that are used in refineries, chemical plants, sugar mills, paper mills, or any other facility that generates steam.. Our bladed-wheel single-stage steam turbines (SST) line includes three wheel … WebIn order to provide temperature control for the exhaust hood region of low pressure turbines, the exhaust hood sprays are activated in response to measured load and steam exhaust pressure. During start-up of the generator, the sprays always are turned on. During normal operation, the status of the sprays depends on the relative amounts of load ...

WebMar 18, 2024 · Heat transfer and vacuum in condenser are influenced by the aerodynamic performance of steam turbine exhaust hood. The current research on exhaust hood is mainly focused on analyzing flow loss and optimal design of its structure without consideration of the wet steam condensing flow and the exhaust hood coupled with the … 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 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 ...

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. … flowering dogwood front yard landscapingWebDec 18, 2015 · Placing the turbine lubrication oil system in service: - Start one duty pump and place the remain in spare - Test change over - Check parameter: pressure,temperature, condition of cooler, filter.. 38. 2. Running turning gear system: - Turning gear is done before start up and after shutdown turbine. green accounting definitionWebSep 7, 2014 · The cross over pipe which carries steam from IP turbine to LP turbine is provided with an expansion joint which absorbs the thermal expansion of the pipe without putting undue stresses on turbine components. Exhaust hood spray will be done from condensate to control the exhaust steam temperature through nozzles. Two expansion … flowering dogwood fall colorWebFeb 28, 2011 · Re: Exhaust Hood Spray In Steam Turbin. 02/22/2011 5:56 PM. actually the reason behind temp. rise is that ,due to low vacuum in condenser the stem flow to the … green accountants flowering dogwood in winterWebDec 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 … flowering dogwood leaf typeWebDec 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 … green accord sedan sport 2015