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gearmotor and steam turbine

    • steam turbine - wikipedia

      Steam turbine - Wikipedia

      After first rotating the turbine by the turning gear, allowing time for the rotor to assume a straight plane (no bowing), then the turning gear is disengaged and steam is admitted to the turbine, first to the astern blades then to the ahead blades slowly rotating the turbine at …

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    • turbine - steam turbines | britannica

      Turbine - Steam turbines | Britannica

      Turbine - Turbine - Steam turbines: A steam turbine consists of a rotor resting on bearings and enclosed in a cylindrical casing. The rotor is turned by steam impinging against attached vanes or blades on which it exerts a force in the tangential direction. Thus a steam turbine could be viewed as a complex series of windmill-like arrangements, all assembled on the same shaft.

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    • steam turbines start-ups

      Steam turbines start-ups

      steam flows, acceleration of rotors, vibrations, etc.). The principles of correct conducting start-ups have been developed over the long-term operation of steam turbines and contain experience of turbine designers, constructors and operators. Three basic phases can be distinguished in the process of steam turbine unit start:

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    • steam turbine flow & operation | processing magazine

      Steam turbine flow & operation | Processing Magazine

      Steam Turbine Designs and Types

      Steam Turbines | Power Generation | Siemens Energy Global

      Steam turbines are also often applied in the renewable energy sector. Be it power generation plants, district heating, biomass, waste-to-energy, seawater desalination or solar heat: There is a wide range of applications for steam turbines made by Siemens.

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    • trouble-free geared steam turbines for ships

      Trouble-free geared steam turbines for ships

      Jul 05, 2015 · There was a speed incompatibility problem. In 1896, he started his work with gearing and in 1897 used a 10-horse power geared steam turbine to drive a small 22-foot-long boat. The gear reduction was 14 to 1 with the prop running at 1400 RPM. The speed obtained was 9 miles per hour and the performance was encouraging.

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    • turbine turning gear system - alstom technology ltd.

      TURBINE TURNING GEAR SYSTEM - ALSTOM Technology Ltd.

      The turning gear system may also include the turning gear system configured for use with a steam turbine wherein the steam turbine may be a steam turbine of …

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    • clutch in turning gear and turbine - youtube

      Clutch in turning gear and turbine - YouTube

      Click to view on Bing2:44

      Sep 12, 2017 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators

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    • industrial steam turbine services | ge steam power

      Industrial Steam Turbine Services | GE Steam Power

      Industrial steam turbine services . In an ever-changing regulatory environment, flexibility is key. GE provides a full-service range of industrial steam turbine repair, maintenance, and overhauls to help enhance performance of your existing steam turbine.

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    • electrical turning gear (etc) | the steam turbine

      Electrical turning gear (ETC) | The steam turbine

      A self-shifting synchronous (SSS) clutch is installed between the drive motor and the turbine shaft and provides a simple mechanical means of automatically connecting or disconnecting the turning gear drive. The SSS clutch is a positive tooth-type overrunning clutch which is self-engaging when passing through synchronism, that is, immediately the speed of the input shaft exceeds that of the output shaft.

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    • cn201288679y - dual driving apparatus for steam turbine

      CN201288679Y - Dual driving apparatus for steam turbine

      The utility model relates to a steam turbine and electric motor double-drive motor, which is formed by connecting a steam supply apparatus, a steam turbine, a gear box, a clutch, a fan and an electric motor. The utility model overcomes the discharge waste of flue gas energy in oil refining industry and other industrial production in our country, effectively recovers waste heat and drives work

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    • (pdf) power plant lecture notes - chapter-4 steam turbine

      (PDF) Power Plant Lecture Notes - CHAPTER-4 STEAM TURBINE

      Chapter 2: Steam Power Plant Cycles Simple vapor cycle and its components: Boiler, Turbine, Condenser, Pump, Carnot Cycle for Steam, Disadvantages of Carnot …

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    • steam turbine | types, advantages, disadvantages, failures

      Steam Turbine | Types, Advantages, Disadvantages, Failures

      Mar 29, 2020 · A steam turbine is a device which converts thermal energy of steam into mechanical energy. This mechanical energy is generally used further to generate electricity. It is invented by sir Charles Parsons in 1884.

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    • steam turbine flow & operation | processing magazine

      Steam turbine flow & operation | Processing Magazine

      Currently, steam turbines are widely used in different driver applications for mechanical drives and power generation units and produce nearly 1 million (MW) of capacity worldwide. The steam turbine rotor is the spinning component that has wheels and blades attached to it. The blade is the component that extracts energy from the steam.

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    • turbine turning gear system - alstom technology ltd.

      TURBINE TURNING GEAR SYSTEM - ALSTOM Technology Ltd.

      The combined cycle power plant includes a gas turbine 14 and a generator 12 at one end of a shaft 16 while a steam turbine 10 is located on the same shaft 16 as the gas turbine 14 and the generator 12 but separated from these units by a clutch 18, such as a synchro-self-shifting clutch 18 The power plant further includes a turning gear 20 that

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    • steam turbine generators - peter brotherhood ltd

      Steam Turbine Generators - Peter Brotherhood Ltd

      Our steam turbines are the result of continuous, evolutionary development, to maximise efficiency for lower fuel consumption and carbon emissions. With each turbine individually designed to match the customer’s specification, we use a modular form of construction to enable standardisation of service-proven components, undertaken within our

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    • steam turbines - turbomachinery magazineturbomachinery

      STEAM TURBINES - Turbomachinery MagazineTurbomachinery

      GENERAL PURPOSE STEAM TURBINE UPGRADES BY HEINZ BLOCH & RICHARD SMITH It is not unusual for large oil refineries to have 160 general purpose (GP) steam turbines installed at a major site. Return-on-investment (ROI) studies and related cost assessments indicate that major refineries may have opportunities to capture steam turbinerelated corporate-wide maintenance savings in excess of …

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    • the difference between steam and gas turbines

      The Difference Between Steam and Gas Turbines

      Mar 18, 2020 · Steam Turbines. The primary difference between steam and gas turbines is the fact that steam turbines receive power from expanding steam. Fuels such as natural gas can heat condensed water in a boiler, but it’s also possible to utilize renewable thermal energy for this heating. This heated water evaporates into steam, which rotates turbine

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    • man energy solutions steam turbines

      MAN Energy Solutions steam turbines

      MAN Energy Solutions steam turbines can be used in an extraordinarily wide range of applications, from waste-to-energy, to biomass, to geothermal and even concentrated solar power plants. They also work for a host of other industrial power generation applications like …

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    • buy and sell used steam turbines and steam turbine

      Buy and Sell Used Steam Turbines and Steam Turbine

      Type DK-722-2180. 3 stages: 1st adm. steam pressure 715PSIA @ 780F. 2nd adm. steam pressure 465PSIA @ 690F. 3rd adm. steam pressure 125PSIA @ 430F. Turning Gear motor speed 1800 rpm. Turbine speed 42 rpm. 105,000 sq ft Bechtel Construction Shell and Tube Surface Condenser with water box. Shell Carbon Steel.

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    • steam turbines start-ups - home icm

      Steam turbines start-ups - Home ICM

      Turbine preparation to start-up begins with barring the rotor by the turning gear. The turning gear operates as teeth gear, driven by an electrical (electrical turning gear, see Fig. 1) or hydraulic (hydraulic turning gear) motor. Prior to start-ups turbine rotors must …

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    • the major purposes of turning gear operation during

      The major purposes of turning gear operation during

      A jacking gear (also known as a turning gear) is a device placed on the main shaft of an engine or the rotor of a turbine.The jacking gear rotates the shaft or rotor and associated machinery (such as reduction gears and main turbines), to ensure uniform cool-down.. Purposes. The major purposes of turning gear operation during turbine startup are: . 1. To rollout shaft hogging or sagging before

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