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Wednesday, May 6, 2020 | History

2 edition of Erosion testing of potential valve materials for coal gasification systems found in the catalog.

Erosion testing of potential valve materials for coal gasification systems

J. S. Hansen

Erosion testing of potential valve materials for coal gasification systems

by J. S. Hansen

  • 196 Want to read
  • 22 Currently reading

Published by Dept. of the Interior, Bureau of Mines in [Washington] .
Written in English

    Subjects:
  • Coal gasification.,
  • Valves -- Testing.

  • Edition Notes

    Bibliography: p. 14-15.

    Statementby J. S. Hansen, J. E. Kelley, and F. W. Wood.
    SeriesReport of investigations - Bureau of Mines ; 8335, Report of investigations (United States. Bureau of Mines) -- 8335.
    ContributionsKelley, J. E. 1937-, Wood, F. W. 1926-, United States. Bureau of Mines.
    The Physical Object
    Pagination26 p. :
    Number of Pages26
    ID Numbers
    Open LibraryOL15229296M

    Dynamic Testing of Gasifier Refractory. effects experienced by refractory materials under slagging coal gasification conditions. The goal of this work is to devise a mechanism of refractory. A Direct Coal-Fired Combustion Turbine Power System Based on Slagging Gasification With In-Situ Gas Cleaning Corrosion and Erosion of Materials in Coal Combustion Gas Turbines,” Proceedings of the Conference on Corrosion and Erosion on Coal Conversion System Materials , “Full-Scale and Bench-Scale Testing of a Coal-Fueled Gas Cited by: 2.

    "An Analysis of the Potential for Deposition, Erosion, or Corrosion in Gas Turbines Fueled by the Products of Biomass Gasification or Combustion." Proceedings of the ASME Turbo Expo Power for Land, Sea, and Air. Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations. Munich, by:   The conversion of coal to “clean” fuels imposes severe demands on materials of construc-tion. The operational environments experienced by these materials may be high tempera-tures and high pressures and contain substantial quantities of H2S, H2, organic acids, chlorides and particulate matter. Experiences to date indicate that corrosion and erosion problems will tax materials engineers Cited by: 4.

    3 UNDERGROUND COAL GASIFICATION (UCG) - PROCESS Under the process of UCG, gasification of coal happens insitu by controlled burning About m3gas can be produced per tonne of coal Bye products of significant commercial value will be hydrocarbons, phenols,File Size: KB. Erosive wear of potential valve materials for coal-conversion plants. Published Date: investigated the erosive-wear properties of seven commercial alloys with potential applications as valves for coal-conversion plants. A dry particle, jet-erosion apparatus was used to determine the wear of seven materials: and C stainless Cited by: 2.


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Erosion testing of potential valve materials for coal gasification systems by J. S. Hansen Download PDF EPUB FB2

Get this from a library. Erosion testing of potential valve materials for coal gasification systems. [J S Hansen; John E Kelley; F W Wood; United States.

Bureau of Mines.]. In support of its objective to conserve mineral resources by minimizing premature failure of materials, the Bureau of Mines conducted a cooperative study with the U.S.

Department of Energy on the erosion and abrasion resistance of hard materials for valves in coal conversion systems. Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): (external link) http. The erosion of ashlock hopper valves in coal gasification systems and the maintenance downtime resulting from this erosion are a cause of considerable concern for the coal conversion industry.

In order to alleviate this problem a test rig was designed and built to simulate service conditions of temperature, pressure differential and valve by: 3. Rig test results confirm the potential for reduced erosion, but illustrate the profound effects of microstructure on the erosion behavior of a given ceramic.

This has significant implications for both the manufacture of components and for techniques used to apply ceramics in, for instance, critical areas of valve and pump by: 2. Erosion-resistant materials for critical areas of coal liquefaction and coal gasification systems. This book discusses the properties of coal mineral matter abrasion and particle impaction erosion wear in those power plants using coal.

Its main thrust is to provide remedial measures for these problems, Since coal is such a soft, flow-strength material, its wear-causing characteristics depend largely on the presence of abrasive mineral species.

ELSEVIER WEAR Wear () Erosion-corrosion modelling of gas turbine materials for coal-fired combined cycle power generation N.J. Simms a, J.E. Oakey a, D.J. Stephenson b, p.J. Smith b, J.R. Nicholls b 'British Coal Corporation, Coal Technology Development Division, Stoke Orchard, Cheltenham, by: Materials Science and Engineering, 88 () High Temperature Erosion in Coal Combustion and Conversion Processes: A Review* I.

WRIGHT Battelle, Columbus Laboratories, Columbus, OH (U.S.A.) (Received Ap ; in revised form J ) ABSTRACT In this paper an attempt is made to review those advanced coal combustion and conver- sion processes that have Cited by: SchuF Coal Liq & Gas Valves 74/71/42 Let down, solid transport and isolation technology Direct Coal Liquefaction The process of direct coal liquefaction was developed in the 's in Germany.

Until the mid 's the process was operated at several sites in Germany to derive liquid hydrocarbons from coal as a substitute to standard crude oils. Materials considered for application in the high temperature gaseous environments that are present in various coal-gasification processes must be resistant to corrosive and erosive wear.

Possible interactions between the materials and the gaseous environment that lead to oxidation, hot corrosion, sulfidation, carburization, and metal dusting Cited by: Erosion-Resistant Materials for Critical Areas of Coal Liquefaction and Coal Gasification Systems 1.

T, D. SHETTY, and A. CLAUER Erosion has. A SURVEY OF EROSION AND CORROSION RESISTANT MATERIALS BEING USED ON BOILER TUBES IN WASTE TO ENERGY BOILERS 1 Randall Doolev I, superheater, boiler, and furnace tubes of coal-fired power plants are primarily subject to fly ash and sootblower erosion.

WTE boiler tubes see this type of tubes in WTE plants were selected for erosion testing. Purchase Coal Gasification and Its Applications - 1st Edition.

Print Book & E-Book. ISBNThe slurry-erosion behavior of candidate valve trim and seat materials, like WC-Co cermets and hard ceramics (SiC, B4C), was studied by measuring the wear rates in a slurry-jet impingement test.

Publisher Summary. Coal is used primarily as a fuel, so its most important property is its heat of combustion. Gross calorific value, also known as higher heating value (HHV), is determined by measuring the heat released when coal is burned in a constant-volume calorimeter, with an intitial oxygen pressure of 2 to 4 MPA, and when the combustion products are cooled to a final temperature.

/01/01 CoAl GAsIfICAtIon 2 APPlICAtIon REPoRt 5/11 Coal gasification challenges The target of coal gasification is to convert coal from a solid to gaseous fuel through partial oxidation.

Once the fuel is in a gaseous state, undesirable substances, such as sulfur com-pounds and coal ash, may be File Size: KB. Materials Challenges for Advanced Combustion and Gasification Fossil Energy Systems Article in Metallurgical and Materials Transactions A 42(4) April with 13 Reads.

Handbook of Biomass Downdraft Gasifier Engine Systems SERISP DE March UC Categoy.' This handbook has been prepared by the Solar Energy Research Institute under the U.S. Department of Energy Solar Technical Informaion Program.

It is intended as a guide. For the current research, hardfacings of tungsten, titanium nitride and other materials were applied to ferrous alloys by CVD to provide valve components for coal gasification applications that are resistant to erosion, abrasion and corrosion.

EXPERIMENTAL Cited by: 1. Cobalt-base alloys have enjoyed extensive use in wear-related engineering applications for well over 50 years because of their inherent high-strength, corrosion resistance, and ability to retain hardness at elevated temperatures.

Microstructurally, wear-resistant cobalt-base alloys consist of hard particles (Cr7C3) dispersed in cobalt-rich (Co > 50%) solid solution matrix alloys (generally Co Cited by: This program is to evaluate (1) the erosion-resistance of valve materials and (2) materials processing methods for improved wear in coal conversion and utilization components.

The research is organized into four tasks: erosion testing of potential valve materials at several particle velocities and.In support of its objective to conserve mineral resources by minimizing premature failure of materials, the Bureau of Mines conducted a cooperative study with the U.S.

Department of Energy on the erosion and abrasion resistance of hard materials for valves in coal conversion systems. A newly developed erosion-testing apparatus is described and data on the erosion resistance of over materials .