steam plant Articles

  • Exergoeconomic optimisation of steam power plant

    The second law of thermodynamics combined with economics forms a powerful tool for systematic analysis and assessment of energy systems. This paper presents an exergoeconomic optimisation of 50 MW steam turbine power plant associated with a large fertiliser industrial unit through Thermoeconomic Evaluation and Optimisation (TEO) method, and identifies the losses in various components. As the ...


    By Inderscience Publishers

  • Solar powered mini steam power plant: a simulation approach

    The solar powered steam power plant is a mini power plant that is meant to generate power at the location of the consumer hence playing a pivotal role in distributed power generation. This plant will also have a huge impact on the environment as it utilises the sun's energy, making it eco–friendly and reducing its impact on the environment by reducing the amount of fossil fuel consumption. In ...


    By Inderscience Publishers

  • The 700?C steam turbine power plant ? status of development and outlook

    This paper appraises the current development status of the 700?C steam power plant under consideration of process optimisation as well as design aspects of the steam turbine and steam generator. The results for a compact arrangement of the steam turbine and steam generator are also presented. Based on a cycle analysis, a net efficiency between 49.3% and 51.4% can be achieved with the 700?C steam ...


    By Inderscience Publishers

  • Evaluation of a process simulator for modelling and analysis of Rankine cycle steam power plants

    Applicability of the HYSYS process simulation package to thermodynamic modelling and analysis of Rankine cycle steam power plants, using first and second law analyses, has been evaluated. Theoretical Rankine cycles, and more realistic cycles based on power plants modelled in other studies, were simulated. Energy, exergy and efficiency values determined from the simulations were compared to those ...


    By Inderscience Publishers

  • In situ weld repair of blade tenon of steam turbine in a power plant

    During one of the routine inspections in a nuclear power plant, it was found that a tenon of one of the third-stage blades of the Low-Pressure (LP) turbine had been worn/broken off the turbine blade, leaving only the remaining tenon riveted to the shroud piece. With only one of the two tenons remaining, the blade was at risk of getting freed from the shroud piece. Hence, it was necessary to ...


    By Inderscience Publishers

  • Exergy and exergo–economic evaluation of Isfahan steam power plant

    The objective of this paper is to perform the exergy and exergo–economic analysis of Isfahan steam power plant. A simulation program is used for modelling the Isfahan steam power plant in Iran. The exergy balance is used to estimate the exergy destruction in each component of the plant. Moreover, the cost balance equations are solved to determine the cost of exergy destruction in each part of the ...


    By Inderscience Publishers

  • Diageo installs gem steam traps

    Diageo’s 18-acre Runcorn facility is making savings in energy, replacement costs and maintenance of its steam traps following the installation of Thermal Energy International’s Venturi Orifice GEM traps.  Thermal Energy International (TEI) has installed a total of 71 steam traps through the plant, which has provided Diageo with a payback in less than 12-months. The Diageo Runcorn ...

  • Assessing and improving the efficiencies of a steam power plant using exergy analysis. Part 2: improvements from modifying reheat pressure

    The effect of increasing reheat pressure on the exergy efficiency of a coal-fired steam power plant is investigated. The results show that although the irreversibility rate associated with heat transfer in the steam generator decreases as reheat pressure increases, the overall-plant exergy efficiency decreases, mainly owing to the relatively large decrease in shaft power output. The results ...


    By Inderscience Publishers

  • Assessing and improving the efficiencies of a steam power plant using exergy analysis. Part 1: assessment

    Energy and exergy analyses are used to examine the performance of a coal-fired steam power plant and to identify and evaluate possible modifications to improve the efficiency of the plant. The exergy analysis provides a detailed breakdown of the exergy losses (including waste exergy emissions and internal irreversibilities) for the overall plant and its components. The results show that ...


    By Inderscience Publishers

  • Elantas enjoys significant steam savings with GEM

    Thermal Energy International Inc. is pleased to announce that ELANTAS Deatech S.r.l, a member of the global specialty chemical group Altana AG, and a leading producer of insulating materials for the electrical and electronics industry, has revealed that it is achieving significant savings in steam consumption at its site in Ascoli Piceno, Italy following the installation of Thermal Energy ...

  • Customers problem: steam injection tank heating

    Northwood pulp and Timber Company in Prince George British Columbia, was plagued with a problem of violent vibrations and banging when heating a large volume paper machine chest with a conventional steam sparger. The tank walls were lined with ceramic tiles which were cracking, sections were coming off the wall due to the vibration from the collapsing steam bubbles. Komax Solution: Bill Neville, ...


    By Komax Systems, Inc.

  • Venturi orifice steam traps reduce energy costs and CO2 emissions

    Steam traps and steam systems can represent a large proportion of a manufacturing plant’s total operating costs. As business managers look for additional ways to cut costs and make operations leaner, many focus on increasing energy efficiency and incorporating cleaner energy options. This approach not only underlines a company’s corporate responsibility in decreasing CO2 emissions but ...

  • Steam Turbine Rotor Transient Thermo-Structural Analysis and Lifetime Prediction

    Market requirements for faster and more frequent power unit start-up events result in a much faster deterioration of equipment, and a shorter equipment lifespan. Significant heat exchange occurs between steam and turbine rotors during the start-up process and even more intensive heat exchange takes place during the condensation phase in cold start-up mode, which leads to further thermal stresses ...


    By SoftInWay Inc.

  • Italian Pharmaceutical Company Enjoys Fast Payback on GEM Steam Traps

    A leading global healthcare company has revealed that it has achieved a 12-month payback on Thermal Energy International’s GEM venturi orifice steam traps installed at its manufacturing facility in Italy.  Thermal Energy International has installed a total of 92 steam traps throughout the facility’s process plant, which has removed the problems of mechanical steam trap failure ...

  • Oman EOR project ahead of schedule; EIB tenders in Namibia; Lighter steam system cuts CAPEX

    Solar Thermal news you need to know. PDO, Glasspoint start to build Oman's giant Miraah plant Petroleum Development Oman (PDO) and GlassPoint Solar have broken ground on the 1 GW Miraah Enhanced Oil Recovery (EOR) project a month ahead of schedule, the companies said in a statement November 4. The solar thermal facility will produce steam at the Amal ...


    By FCBI Energy

  • Ethanol, Biomass Plants Planned for Minnesota

    Proposed facilities prepare to turn organic residuals into electricity, methane and synthesis gas “with minimal emissions and more profit.” AN ETHANOL plant in Little Falls, Minnesota is building an on-site gasifier that will convert wood waste and distiller's grains to gas for generating electricity and heat to serve the needs of the Central Minnesota Ethanol Cooperative. At the same time, ...


    By BioCycle Magazine

  • 2 MWe Biomass Power Plant Case Study

    This 2 MWe Biomass Power Plant is one of the turnkey products of Biomass Power. The plant was fully commissioned in September 2007. The plant has a capacity of 11 MW thermal and rated at 2MWe producing 15,700 MWh of green electricity per year, 100% of which is exported to the grid. The fuels used are from forestry and agricultural residues, wet woodchips, compost oversize, straw and miscanthus, ...


    By Biomass Power Limited (BPL)

  • Quick response to assist nuclear power plant

    A US nuclear plant and their engineering contractor were faced with an unexpected challenge in the course of design work regarding installation of an emergency steam dump sparger in the plant’s Low Pressure (LP) condenser. During pre-outage reviews of the planned installation, it was found that an existing partition plate running nearly the length of the condenser was obstructing access. ...


    By Intek, Inc.

  • Effect of Non-Condensable Gases on geothermal power plant performance. Case study: Kizildere Geothermal Power Plant-Turkey

    Non-Condensable Gases (NCGs) are natural components of geothermal fluids, and they are a source of considerable capital and operating costs for power plants. The NCG content of geothermal steam varies over the world from almost zero to as much as 25% (wt). In this work, the influence of NCGs on the thermodynamic performance of geothermal power plants is analysed for various NCG content and ...


    By Inderscience Publishers

  • Exergy analysis and performance evaluation of Kizildere Geothermal Power Plant, Turkey

    Conventional geothermal power plants (GPP) differ from fossil-fuel power plants (FFPP) in many ways. The most specific ones are that GPPs are not cyclic plants and the working fluid is not pure steam. Geothermal steam contains non-condensable gases (NCG) which degrade power plant efficiency. This discrepancy leads to two considerations in energy and exergy analysis of GPPs. One is that the amount ...


    By Inderscience Publishers

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