Gaois

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5 results

  1. ENERGY|coal and mining industries|coal industry

    #601196

    IATE #114702
    dóchán scaire sreabhaí athfhilltí Reference "Faofa ag an gCoiste Téarmaíochta, www.tearma.ie ;Faomhadh an téarma seo mar chuid de Thionscadal Lex"
    ga
    Feuerung mit zirkulierender Wirbelschicht | ZWS-Feuerung | ZWSF
    de
    CFBC | circulating fluidised bed combustion | fluidised-bed circulating combustion
    en
    Definition fluidised bed combustion in which the combustion takes place under atmospheric or higher pressure, operating at velocities which correspond to a regime of pneumatic transportation and where the particles are collected and recirculated, possibly after passing through a conventional bed, cooled by boiler internals Reference "COM-Terminology Coordination, based on:Jenö Kovács. What are the main characteristics of fluidised bed combustors? IFRF Combustion Handbook, http://www.handbook.ifrf.net/handbook/cf.html?id=87 [30.6.2017]"
    Comment "When an evenly distributed air or gas is passed upward through a finely divided bed of solid particles such as sand supported on a fine mesh, the particles are undisturbed at low velocity. As air velocity is gradually increased, a stage is reached when the individual particles are suspended in the air stream – the bed is called “fluidized”.With further increase in air velocity, there is bubble formation, vigorous turbulence, rapid mixing and formation of dense defined bed surface. The bed of solid particles exhibits the properties of a boiling liquid and assumes the appearance of a fluid – “bubbling fluidized bed”.At higher velocities, bubbles disappear, and particles are blown out of the bed. Therefore, some amounts of particles have to be recirculated to maintain a stable system – “circulating fluidised bed”.FBC BOILERS. National Productivity Council of India, http://www.em-ea.org/guide%20books/book-2/2.6%20fbc.pdf [17.3.2017]"
    CLFC | combustion en lit fluidisé circulant
    fr
    Definition combustion en lit fluidisé et désulfuration au sein d'une masse de fines particules de cendres fortement agitées à basse température (850°C), maintenues en suspension par un courant ascendant d'air soufflé au bas du foyer Reference "Les technologies pour l'utilisation propre du charbon - https://www.senat.fr/rap/l97-4392/l97-439218.html [8.5.2017]"
    Comment "Voir aussi:- combustion en lit fluidisé [ IATE:1107826 ]"
  2. ENERGY|coal and mining industries|coal industry

    #619316

    IATE #1107826
    dóchán scaire sreabhaí Reference "Faofa ag an gCoiste Téarmaíochta, www.tearma.ie ;Faomhadh an téarma seo mar chuid de Thionscadal Lex"
    ga
    Wirbelbettverbrennung | Wirbelschichtfeuerung | Wirbelschichtverbrennung | WSF
    de
    Definition Verbrennungstechnologie für Stein- und Braunkohle, u.U. auch für andere feste Brennstoffe (Petrolkoks, Abfall, Torf, Holz); bietet besseren thermischen Wirkungsgrad und verringerte Schwefelemission Reference ---
    Comment SYN/ANT: Wirbelbettverbrennung; Wirbelschichtverfahren; Wirbelschichtverbrennung; Wirbelbettfeuerung
    FBC | fluidised bed combustion | fluidized-bed combustion | fluidized bed combustion | fluidised-bed combustion
    en
    Definition method of burning coal in a bed of heated particles suspended in a gas flow Reference "global-greenhouse-warming.com. Fluidised Bed Combustion, http://www.global-greenhouse-warming.com/Fluidised-Bed-Combustion.html [17.3.2017]"
    Comment "At sufficient flow rates, the bed acts as a fluid resulting in rapid mixing of the particles. Coal is added to the bed and the continuous mixing encourages complete combustion and a lower temperature than that of pulverised fuel (PF) combustion. The advantages of FBC are they produce less NOx in the outlet gas, because of lower combustion temperatures, and they produce less SOx when limestone is continuously added with the coal. They can also use a wider range of fuels than PF combustion.Reference: global-greenhouse-warming.com. Fluidised Bed Combustion, http://www.global-greenhouse-warming.com/Fluidised-Bed-Combustion.html [17.3.2017]When an evenly distributed air or gas is passed upward through a finely divided bed of solid particles such as sand supported on a fine mesh, the particles are undisturbed at low velocity. As air velocity is gradually increased, a stage is reached when the individual particles are suspended in the air stream – the bed is called “fluidized”.Reference: FBC BOILERS. National Productivity Council of India, http://www.em-ea.org/guide%20books/book-2/2.6%20fbc.pdf [17.3.2017]"
    CLF | combustion sur lit fluidisé | incinération sur en lit fluidisé | combustion en lit fluidisé | FBC
    fr
    Definition "dans un incinérateur utilisant un lit de sable chaud ou composé de toute autre matière granulaire, transfert direct de chaleur entre le lit et les déchets ; Dans le lit fluidisé, le sable constitue le vecteur calorifique utilisé pour atteindre une combustion totale des combustibles. Ceux-ci peuvent être des produits pâteux, voire semi-liquides comme les boues de stations d'épuration notamment. L'insufflation de l'air de combustion à travers la couche de sable provoque le soulèvement des particules et la création d'une masse en suspension dite "" lit fluidisé "". La masse de solides en suspension est composée à 99% de sable et à 1% de combustible. On obtient ainsi une combustion optimale des déchets introduits dans le four grâce à une grande surface de contact entre le sable et les déchets." Reference "Chaplier,Joseph,ingénieur industriel,directeur du secteur Assainissement I.D.E.LUX,Arlon,1998 ; Ecole nationale du Génie Rural, des Eaux et des Forêts de Montpellier http://www.oieau.fr/eaudoc/synthes/engref/bossard.htm (15/11/2004)"
    Comment La combustion sur lit fluidisé est apparue dans les années 50 et a d'abord concerné le grillage de minerais, les boues urbaines puis le charbon. Les applications pour la combustion des ordures ménagères et des déchets industriels ne datent que d'une vingtaine d'années.
  3. ENERGY|coal and mining industries|coal industry

    #613844

    IATE #912463
    dóchán scaire sreabhaí boilgearnaí Reference "Faofa ag an gCoiste Téarmaíochta, www.tearma.ie ;Faomhadh an téarma seo mar chuid de Thionscadal Lex"
    ga
    bubbling fluidised bed combustion | bubbling fluidised-bed combustion
    en
    Definition "fluidised bed combustion [ IATE:1107826 ] in which the combustion takes place under atmospheric or higher pressure, the bed expands to only one or two meters above the furnace floor and the gas velocity is increased until the whole bed becomes a turbulent mass of solids and bubbles, but there is no carry-over of bed material with the combustion gases" Reference "COM-Terminology Coordination, based on:Jenö Kovács. What are the main characteristics of fluidised bed combustors? IFRF Combustion Handbook, http://www.handbook.ifrf.net/handbook/cf.html?id=87 [17.3.2017] & CoalTech. Coal Technology. 1. End Use > 1.1 Power Generation > 1.1.2 Fluidised Bed, http://www.coaltech.com.au/FluidisedBed.html [17.3.2017]"
    Comment "When an evenly distributed air or gas is passed upward through a finely divided bed of solid particles such as sand supported on a fine mesh, the particles are undisturbed at low velocity. As air velocity is gradually increased, a stage is reached when the individual particles are suspended in the air stream – the bed is called “fluidized”.With further increase in air velocity, there is bubble formation, vigorous turbulence, rapid mixing and formation of dense defined bed surface. The bed of solid particles exhibits the properties of a boiling liquid and assumes the appearance of a fluid – “bubbling fluidized bed”.At higher velocities, bubbles disappear, and particles are blown out of the bed. Therefore, some amounts of particles have to be recirculated to maintain a stable system – “circulating fluidised bed”.FBC BOILERS. National Productivity Council of India, http://www.em-ea.org/guide%20books/book-2/2.6%20fbc.pdf [17.3.2017]"
    combustion en lit fluidisé bouillonnant | CLFB
    fr
  4. ENERGY · ENERGY|coal and mining industries|coal industry

    #621502

    IATE #1174980
    dóchán scaire sreabhaí brúchóirithe Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    PFBC Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    druckaufgeladene Wirbelschichtfeuerung | Druckwirbelschichtverbrennung | Druck-Wirbelschichtverbrennung
    de
    pressurised fluidised bed combustion | PFBC
    en
    Definition "fluidised bed combustion [ IATE:1107826 ] in which the bed vessel is operated at pressure upto 16 ata ( 16 kg/cm2)" Reference "COM-Terminology Coordination, based on:FBC BOILERS. National Productivity Council of India, http://www.em-ea.org/guide%20books/book-2/2.6%20fbc.pdf [17.3.2017]"
    Comment "The combustion may take place under atmospheric or high pressure either in bubbling (BFB) or circulating fluidised bed (CFB) boiler.Reference: Jenö Kovács. What are the main characteristics of fluidised bed combustors?. IFRF Combustion Handbook, http://www.handbook.ifrf.net/handbook/cf.html?id=87 [17.3.2017]See also:- circulating fluidised bed boiler [ IATE:1446477 ]- bubbling fluidised bed combustion [ IATE:912463 ]- atmospheric fluidised bed combustion [ IATE:952781 ]"
    combustion en lit fluidisé pressurisé | CLFP | combustion en lit fluidisé sous pression | PFBC | CLFSP
    fr
  5. ENERGY|coal and mining industries|coal industry

    #616582

    IATE #952781
    dóchán scaire sreabhaí faoi bhrú atmaisféarach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    atmosphärische Wirbelschichtverbrennung | AFBC
    de
    AFBC | atmospheric fluidised bed combustion
    en
    Definition "fluidised bed combustion [ IATE:1107826 ] in which the bed vessel is operated at atmospheric pressure" Reference "COM-Terminology Coordination, based on:FBC BOILERS. National Productivity Council of India, http://www.em-ea.org/guide%20books/book-2/2.6%20fbc.pdf [17.3.2017]"
    Comment "The combustion may take place under atmospheric or high pressure either in bubbling (BFB) or circulating fluidised bed (CFB) boiler.Reference: Jenö Kovács. What are the main characteristics of fluidised bed combustors?. IFRF Combustion Handbook, http://www.handbook.ifrf.net/handbook/cf.html?id=87 [17.3.2017]See also:- circulating fluidised bed boiler [ IATE:1446477 ]- bubbling fluidised bed combustion [ IATE:912463 ]- pressurised fluidised bed combustion [ IATE:1174980 ]"
    CLF | combustion en lit fluidisé sous pression atmosphérique
    fr