Recent technologies for steam turbines fuji electric. Unesco eolss sample chapters thermal power plants steam turbine components and systems r. A typical turbine governing system has two unloaders one activated by low condenservacuum. Industrial training report june july 2016 on general awareness of steam turbine manufacturing submitted in partial fulfilment. General awareness in steam turbine manufacturing scribd. Latest technologies and future prospects for a new steam. The manufacturing and assembly of a steam turbine involves high level of precision engineering employing numerous components and subassemblies. Projpptmanufacturing of steam turbine blade free download as pdf file.
Steam turbine gets heat energy in the form of superheated steam from steam generator. Bhel haridwar block 3 turbine manufacturing training report scribd. 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. General awareness in steam turbine manufacturing free download as powerpoint presentation. Rotor is the heart of the steam turbine and it affects the efficiency of the steam turbine. Prior to supplying steam to the turbine, the steam supply pipelines have to be drained and heated up. 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. The mechanical integrity and tolerances are very critical to the product performance, efficiency and reliability.
In noncondensing turbines or backpressure turbines, steam exhausts at a pressure greater than. In case of turbines with cooling water preheating and lowpressure lp bypass, prior to supplying steam the regeneration and dumping systems have to be. Over the last 100 years, ge has manufactured and installed a worldwide fleet of steam turbines. General awarenwss in steam turbine manufacturing turbine. This service generally calls for a backpressure noncondensing steam turbine. Ansaldo energia has over 100 years of experience in the design, manufacturing and installation of steam turbines, and is a. The steam turbine is a turbine in which the potential energy of heated and compressed steam produced in a special device, a steam generator, or steam of natural origin for example, from geothermal springs is converted into kinetic energy when the steam expands in the turbine blade cascades and then into mechanical work on the rotating shaft. 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. Lp blades developed for generalpurpose largesize steam turbines to the design of lp blades of length of 560mm or less, a series of highefficiency. Marine steam turbines as a m ain engine can be classified in two groups.
General awarenwss in steam turbine manufacturing free download as powerpoint presentation. Pdf power plant lecture notes chapter4 steam turbine. Therefore, most steam turbine chp systems are characterized by low power to. Bhel is the largest engineering and manufacturing enterprise in india. An internship presentation on bhel haridwar steam turbine manufacturing plant. Bhel hyderabad, a manufacturing unit, located near hyderabad city, manufactures steam turbines, gas. Heep haridwar plant is equipped with most modern and sophisticated machines tools, facilities and test equipment to manufacture and test generators upto mw rating, which include. Combined heat and power technology fact sheets series. Steam turbine market share, trends industry size outlook. A steam turbine is a device that extract thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. The first is steam tu rbines with reduction gears or turbo alternatorg enerator and the second is steam turbine as a main. This paper introduces the latest steam turbine technologies applied to this stateoftheart steam turbine including the complete. Steam process in steam turbine steam entrance to turbine through governor valv e to control steam capacity and therefore to control turbine speed.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Thus, the better the design of the blade, the more efficient the turbine will be. Steam turbines a turbine is a device that converts chemical energy into mechanical energy, specifically when a rotor of multiple blades or vanes is driven by the movement of a fluid or gas. There are two classical types of turbine stage designs. An industrial training presentation on general awareness in steam turbine manufacturing presented by. At the all, till now bhel is best in supply and manufacturing products. Following figures show steam process in steam turbine. Our steam turbine portfolio spans across all fuels, from gas and coal to nuclear applications. Lp blades developed for general purpose largesize steam turbines to the design of lp blades of length of 560mm or less, a series of highefficiency. Figure 4 shows steam process in enthalpy against entropy diagram of curtis and single row rateau turbine. In the case of a steam turbine, the pressure and flow of newly condensed steam rapidly turns the rotor. Chaplin encyclopedia of life support systems eolss both of these have double casings with the exhaust steam circulating in the annular space between the casings as in the case of the high pressure turbine. Bhel steam turbine manufacturing linkedin slideshare.
Presentation on general awareness in steam turbine manufacturing submitted by. Consider steam turbine drives for rotating equipment. Introduction to bhel, overview and product range bhel haridwar steam turbines components and types manufacturing of components operations few heavy duty machines conclusion. Presentation on general awareness in steam turbine manufacturing presented by. Our steam turbines equip 41% of the worlds combinedcycle plants, 30% of fossil power plants, and 50% of the worlds nuclear power plants. Products installed capacity licensed 1 castings 6000 mt 2 forgings a. Bhel is a major contributor of equipment and systems to industries. Regardless of steam turbine type backpressure or extraction the primary objective of most steam turbine chp systems is to. Bhel haridwar block 3 turbine manufacturing training report free download as pdf file. Turbine blades manufacturer steam turbine blade design. This new second edition offers authoritative information on the operating characteristics, design features, reliability, and maintenance of all steam. A training report on turbine manufacturing at bhel haridwar submitted in partial fulfillment of.
Balance components for gas turbines from existing thermal sets facilities. Depending on steam condition and power output, number of stages in steam turbine is decided. Prepare ordering manufacturing documents incorporating above selections. The scope of this discussion is limited to general purpose steam turbines as defined by the american petroleum institute in api 611 general purpose steam turbines for refinery service. Bhel haridwar training ppt share and discover knowledge. 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.
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