Bhel is a major contributor of equipment and systems to industries. Consider steam turbine drives for rotating equipment steam turbines are well suited as prime movers for driving boiler feedwater pumps, forced or induceddraft fans, blowers, air compressors, and other rotating equipment. Materials for gas turbines an overview nageswara rao muktinutalapati vit university india 1. Projpptmanufacturing of steam turbine blade free download as pdf file. Introduction to bhel, overview and product range bhel haridwar steam turbines components and types manufacturing of components operations few heavy. General awarenwss in steam turbine manufacturing free download as powerpoint presentation. Their unplanned or forced outage rates are typically less than 2% or less than one week per year. Pdf varma designed ultra modern and high efficiency turbines which can use gas, steam. Steam turbine market share, trends industry size outlook. There are two classical types of turbine stage designs.
Fabricated oil tanks, hollow guide blades, rings, stator frames. Modern large steam turbine plants over 500mw have efficiencies of about 4045%. Operation and maintenance schedule of a steam turbine. Steam process in steam turbine steam entrance to turbine through governor valv e to control steam capacity and therefore to control turbine speed. Whether your industrial steam turbine operates in chemical manufacturing, metals, marinetransportation, a refinery, or in pulp and paper many older units experience performance losses because of changes in nozzle and bucket throat areas and blade profiles, as well as deterioration and increased clearances. Hga excess air discharge flue gas temperature main steam condition reheat back pressure lhv. Excellent text on steam turbine design but now dated as it covers only smaller units.
Boiler, turbine, condenser, pump, carnot cycle for steam, disadvantages of. P m h1h2where m is the mass flow of the steam through the turbine and h1 and h2 are specific enthalpy of the steam at inlet respective outlet of the turbine. Introduction advancements made in the field of materials have contributed in a major way in building gas turbine engines with higher power ratings and efficiency levels. This set was ordered by the municipal power station in neuchatel, switzerland. Because it is exposed to high temperature steam, the. Improve industrial steam turbine efficiency with asp ge. Marine steam turbines as a m ain engine can be classified in two groups. Steam turbine market size was valued over usd 28 billion in 2017 and the annual capacity is anticipated to exceed 120 gw by 2024 get more details on this report request free sample pdf regulatory measures to reduce carbon footprint along with increasing investments toward development of largescale thermal power projects will drive the market size. Enables plant to monitor steam turbinegenerator condition since last overhaul addresses 17 systemscomponents identifies riskrelated recommendations for future outage work colorcoded green. Increasing pressure from international agencies to reduce carbon footprint, along with low shale prices, is driving market growth.
Advanced steam turbine technology for improved operating efficiency steam turbine efficiency has risen steadily in recent years, largely due to progress in the materials area, improvements to the development software and blade geometries, and modern production methods. The mechanical integrity and tolerances are very critical to the product performance, efficiency and reliability. Pumpkin patch owns and operates stores in new zealand, australia and ireland. Steam turbine gets heat energy in the form of superheated steam from steam generator. Pdf power plant lecture notes chapter4 steam turbine. The latest design and manufacturing details in mechanical drive steam turbines steam turbines shows how to select, improve, operate, and maintain highquality mechanical drive steam turbineswith maximum efficiency and minimum downtime. Turbine blades manufacturer steam turbine blade design. Study of equipment prices in the power sector esmap technical paper 12209.
Consider the steam turbine shown in the cycle above. General turbine operations steam trap managementtrap management investigations are not restricted to fundamental projects, but are not restricted to fundamental projects, but. See more ideas about steam turbine, abandoned factory and industrial photography. A training report on turbine manufacturing at bhel haridwar submitted in partial fulfillment of. Varma turbines have common design to use gas, steam or waters potential energy as feed. Research on the manufacturing of steam turbine blade by. General understanding of and experience with wind turbine aerodynamics, acoustics, and loading conditions of wind turbine blades strong interpersonal skills and cultural awareness strong desire, ability, and adaptability to learn and solve difficult technical challenges through innovation, dedication, and cooperation with a global team. Rotor is the heart of the steam turbine and it affects the efficiency of the steam turbine. As a result, steam power plants from abb achieve efficiencies in excess of. Zachary stuckl 3 addresses steam turbine efficiency by discussing the overall design of steam turbine blades with a specific focus on blade aerodynamics, materials are used in the manufacture of steam turbine blades, and the factors that cause turbine blade failure and therefore the failure of the turbine itself. Us doe industrial steam bestpractices software tools. The output power of the turbine at steady flow condition is. Steam power plant cycles simple vapor cycle and its components.
A steam turbine consists of a rotor resting on bearings and enclosed in a cylindrical casing. The performance of the steam turbine is governed by the losses occurred in it. Delivering cuttingedge turbine and generator technologies. Schematic diagram of 200 mw unit 8 construction of the steam generator is carried out in two distinct bodies, symmetrical with the axis of the group, operating in parallel to the k2001 steam turbine. An internship presentation on bhel haridwar steam turbine manufacturing plant. Weve supplied aftermarket parts to both end users and oems, and are experienced in the designs and materials of oems such as. Choose from our performance knowledge series and operations knowledge series courses taught by expert instructors who bring real world experience to the classroom.
This service generally calls for a backpressure noncondensing steam turbine. Download as pptx, pdf, txt or read online from scribd. In addition, a control system is needed and emission reduction hardware may be required depending on local air quality requirements. Steam turbine plants generally have a history of achieving up to 95% availability and can operate for more than a year between shutdowns for maintenance and inspections.
Since then turbines based on these principles have evolved in parallel and in fact merged to some degree. Projections of longterm trends in wind turbine costs in europe 56. Varma turbines are simple in design, easy to manufacture, easy to operate and maintain. We will not transport equipment that is not safely secured. Conclusion industrial training gives the idea of manufacturing steam turbine.
Doosan delivering cuttingedge turbine and generator technologies 3. It includes heat exchange and energy conversion equipment. Journal of applied kumar and viswanath appl ech ng 21. The generator connected to the shaft takes the mechanical energy produced by the turbine and converts it to electrical energy through the use of electromagnetic induction.
Advanced steam turbine technology for improved operating. Pdf design and analysis of steam turbine blades researchgate. Gp strategies offers several power plant training courses to ensure your employees have the skills and knowledge to operate and maintain an efficient plant. Steam turbine performance 3 4 2 1 46 45 44 43 42 41 43 42 41 40 39 % % 1. Our steam turbine technologies are constantly evolving to meet the changing needs of our customers. Equipment reliability and maintenance the competitive. Gas turbine market size, share, trends industry analysis. The global gas turbine market size was valued at usd 19. The manufacturing and assembly of a steam turbine involves high level of precision engineering employing numerous components and subassemblies.
Gas turbine combined cycle 35 coalfired steam plant 39 oilfired steam plant 45 natural gasfired steam plant 47. Recent technologies for steam turbines fujielectric. The term equipment reliability and maintenance erm encompasses not only equipment, such as machines, tools, and fixtures, but also the technical, operational, and management activities, ranging from equipment specifications to daily operation and maintenance, required to sustain the performance of manufacturing equipment throughout its useful. A steam turbine is a mechanical device that extracts thermal energy from pressurized steam and transforms it into mechanical work. Pdf on aug 1, 2019, mingyu zhu and others published design and analysis of. It provides practical idea to manufacturing several components of turbine. For example, a steam turbine extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating shaft. An industrial training presentation on general awareness in steam turbine manufacturing presented by.
System or component is expected to perform reliably until the next assessment. This new second edition offers authoritative information on the operating characteristics, design features, reliability, and. Projpptmanufacturing of steam turbine blade numerical. Steam turbines are one of the most versatile and oldest prime mover technologies still in general production used to drive a generator or mechanical machinery. Steam for turbine is provided by pp330140p55 type steam generator, a oncethrough coalfired boiler 8. Steam system scoping tool ssst software designed to develop awareness of potential steam opportunities major tool worksheets general data profiling data total system operating practices boiler plant operating practices distribution, end use, recovery system operating practices summary evaluation. Steam turbinegenerator overhaul and inspection guidelines. Balance components for gas turbines from existing thermal sets facilities. The steam turbine is just one cost component in a complete chp plant. Bhel steam turbine manufacturing linkedin slideshare. This provides a follow up of basic engineering cycles with applications to conventional power plants. The rotor is turned by steam impinging against attached vanes or blades on which it exerts a force in the tangential direction. Overview of steam syy stem trainingassessments for site. Because the turbine generates rotary motion, it is particularly suited to driving electrical generators about 90% of all electricity generation in the united states 1996 is by use of steam turbines 1 wiser.
Following figures show steam process in steam turbine. This paper presents the results of research on the manufacturing of steam turbine blade by using investment casting technology. I have finally acquired knowledge over steam turbines and its manufacturing. Presentation on general awareness in steam turbine manufacturing presented by. General awareness in steam turbine manufacturing free download as powerpoint presentation. Over the last 20 years, the power industry has experienced a shift in steam turbine st maintenance strategies driven by two compounding factors. Manufacturing experience and average turbine size 52 5. Blockvi fibrication welding, drilling shot blasting, cnc flame cutting, cnc deep drilling, shot blasting, sheet metal work, assembly. General awareness in steam turbine manufacturing scribd. Turbine manufacturing shop hms heavy machine shopassembly sectionturbine sectionblade section. Industrial training report june july 2016 on general awareness of steam turbine manufacturing submitted in partial fulfilment.
In case of turbines with cooling water preheating and lowpressure lp bypass, prior to supplying steam the regeneration and dumping systems have to be. Enables plant to monitor steam turbine generator condition since last overhaul addresses 17 systemscomponents identifies riskrelated recommendations for future outage work colorcoded green. The first steam turbine used for power generation was invented in 1884. Thus, the better the design of the blade, the more efficient the turbine will be. Products installed capacity licensed 1 castings 6000 mt 2 forgings a.
Figure 4 shows steam process in enthalpy against entropy diagram of curtis and single row rateau turbine. Prior to supplying steam to the turbine, the steam supply pipelines have to be drained and heated up. Power plant management training courses gp strategies. Combined heat and power technology fact sheets series. Consider steam turbine drives for rotating equipment. General awarenwss in steam turbine manufacturing turbine. Latest technologies and future prospects for a new steam. Metal forming technology with precision casting process or investment casting is the right technology for the manufacture of turbine blades, because it can produce casting products that has advantages in size and shape accuracy. The first is steam tu rbines with reduction gears or turbo alternatorg enerator.
386 193 622 587 38 844 1424 1495 211 97 363 1196 502 148 101 1542 1420 364 847 406 254 269 266 769 1121 497 1267 700 1211 1097 678 561 1094 977 603 623 157 31