EP2836613B1 - Procédé et dispositif de fabrication de briquettes - Google Patents

Procédé et dispositif de fabrication de briquettes Download PDF

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Publication number
EP2836613B1
EP2836613B1 EP13713847.5A EP13713847A EP2836613B1 EP 2836613 B1 EP2836613 B1 EP 2836613B1 EP 13713847 A EP13713847 A EP 13713847A EP 2836613 B1 EP2836613 B1 EP 2836613B1
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EP
European Patent Office
Prior art keywords
steam
mixing
carbon
carbon carriers
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP13713847.5A
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German (de)
English (en)
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EP2836613A1 (fr
Inventor
Hado Heckmann
Robert Millner
Johann Wurm
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Primetals Technologies Austria GmbH
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Primetals Technologies Austria GmbH
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Priority to EP13713847.5A priority Critical patent/EP2836613B1/fr
Publication of EP2836613A1 publication Critical patent/EP2836613A1/fr
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Publication of EP2836613B1 publication Critical patent/EP2836613B1/fr
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
    • C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
    • C10L5/22—Methods of applying the binder to the other compounding ingredients; Apparatus therefor
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/26—After-treatment of the shaped fuels, e.g. briquettes
    • C10L5/28—Heating the shaped fuels, e.g. briquettes; Coking the binders
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/34—Other details of the shaped fuels, e.g. briquettes
    • C10L5/36—Shape
    • C10L5/361—Briquettes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • C21B13/0093—Protecting against oxidation
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/244—Binding; Briquetting ; Granulating with binders organic
    • C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2250/00—Structural features of fuel components or fuel compositions, either in solid, liquid or gaseous state
    • C10L2250/04—Additive or component is a polymer
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/08—Drying or removing water
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/14—Injection, e.g. in a reactor or a fuel stream during fuel production
    • C10L2290/148—Injection, e.g. in a reactor or a fuel stream during fuel production of steam
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/24—Mixing, stirring of fuel components
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/30—Pressing, compressing or compacting
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
    • C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
    • C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
    • C10L5/14—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with organic binders

Definitions

  • Hard coal briquetting was used in the past mainly for the production of particulate carbon carriers made of fine coal for use as a domestic fire or in industrial grate firing. There are therefore numerous methods of hard coal briquetting known. Hard coal briquetting is very important for the COREX® / FINEX® process for the production of molten pig iron, since this process is based on a fixed bed process in which the fixed bed is produced by lumped carbon carriers.
  • melt reduction process lumped carbon carriers are charged together with prereduced iron carriers and additives to the fixed-bed surface of a so-called melt-down gasifier.
  • the pre-reduced iron carriers are completely reduced and a molten pig iron and a molten slag is produced, which is obtained from time to time by tapping.
  • the necessary for the melting heat is through Gasification of the lumped carbon carriers provided by means of oxygen.
  • the resulting hot gases penetrate the fixed bed with the release of heat and leave the fixed bed on the fixed bed surface.
  • molten pig iron and molten slag seep through the fixed bed and collect in its lowest area, the so-called swamp.
  • the briquetting of cold and hot strength of the lumped carbon carriers produced by briquettes can be favorably influenced by the nature of the process used and the characteristics of its performance.
  • a heat treatment for example, a heating -, which may be one or more stages, the briquettes after pressing.
  • the strength properties of the briquettes can be influenced in terms of curing.
  • the mixing can be carried out under batchwise addition of material or with continuous addition of material.
  • exhaust steam produced during the direct or indirect interaction is used at least as a partial amount of the water vapor added during the mixing. It can be used in such a way the entire exhaust steam or part of the resulting exhaust steam. As a result, the efficiency of the method is increased because the exhaust steam is energetically and materially used for heating and as a solvent for the binder system in the mixing.
  • the binder system is mixed in the liquid state with the carbon carriers; This is especially used for liquid binder systems.
  • the binder system is mixed with the carbon carriers in a first mixing step to form a premix, and subjecting the premix to a second mixing step with the addition of water vapor. Then the steam meets an already largely homogenized mixture of carbon carriers and binder system.
  • exhaust steam occurring in this interaction is used at least as a partial amount of the water vapor added during the mixing. This has the advantage that it is introduced materially and energetically back into the process.
  • the carbon carriers are added to the hot strength of briquette increasing components in an amount of 1 to 10 mass%, based on the mass of the carbon carriers supplied to the mixing.
  • These may be, for example, bitumens in granular form or as droplet spray, dusts / sludges from metallurgical processes, coals with elevated hot strength compared with the carbon supports.
  • the mixture is subjected to a pre-agglomeration before it is subjected to compression to briquettes.
  • pre-agglomerated mixture brings advantages in terms of the properties of the briquettes, especially a higher density, which leads to firmer briquettes.
  • Another object of the present application is a method in which the binder system contains polyvinyl acetate, wherein the polyvinyl acetate is at least partially generated from monomers which is based on a synthesis gas, which is based on in the inventive method for producing pig iron with gasification of the carbon carrier resulting export gas , Be obtained with conversion of CO of the synthesis gas via acetic acid in vinyl acetate.
  • the device for changing the temperature of the carbon carriers prior to entry into the mixing device can be designed, for example, as a heatable chamber.
  • the dryer is the device for changing the temperature of the carbon carriers before entering the mixing device. This reduces the expenditure on equipment, maintenance, and investment and operating costs.
  • the heat treatment device for heat treatment of the briquettes may be formed, for example, as a heatable chamber.
  • the carbon carrier storage is provided with a device for changing the temperature of carbon carriers located in the carbon carrier storage. This allows no extra aggregate to be needed to change the temperature of the carbon carriers.
  • the premixer comprises means for changing the temperature of premixing in the premixer; for example, by a heat transfer medium such as steam or thermal oil flowed through or electrical heating elements.
  • a heat transfer medium such as steam or thermal oil flowed through or electrical heating elements.
  • a device for controlling and / or controlling the per time unit and or per unit of volume of brikettierendem material in the final mixer einbringbaren amount of water vapor available Preferably, a device for controlling and / or controlling the per time unit and or per unit of volume of brikettierendem material in the final mixer einbringbaren amount of water vapor available.
  • the efficiency of the method according to the invention can be increased by optimally adjusting the treatment conditions to the mixture to be briquetted.
  • the exhaust steam line opens into the steam inlet line and / or into the mixing device. According to another embodiment, the exhaust steam line opens into the final mixer.
  • the device according to the invention also comprises a device for pre-agglomeration of the mixture produced in the mixing device. This is then connected via a mixture supply line to the mixing device, and connected to a Voragglomeratabtechnisch with the pressing device for pressing briquettes.
  • the mixture produced in the mixing device is introduced into an optional pre-agglomeration device prior to introduction into the device Kneader kneaded. As a result, the consistency of the mixture for the briquetting process is improved compared to the state after the mixing device.
  • steam always means steam.
  • FIG. 1 1 shows a device according to the invention with a mixing device 1 for mixing carbon carriers 2 with a binder system 3.
  • the device also has a pressing device 4 for pressing briquettes on the basis of a mixture obtained from the mixing device 1.
  • the mixing device 1 a Wasserdampfzugabetechnisch 5 for the addition of water vapor.
  • the dryer 6 is a device for indirect interaction with water vapor
  • the heat treatment device 7 for heat treatment of the briquettes is a device for direct interaction with water vapor; in both flows respectively a water vapor feed line 8a, 8b for feeding in steam, and from both a respective exhaust steam line 9a, 9b goes out, wherein the exhaust steam line 9a opens into the water vapor feed line 5 and the exhaust steam line 9b opens into the mixing device 1.
  • the carbon carriers 2, in this case a mixture of fine carbons of different origin and different grain size, are subjected in the mixing device 1 with a binder system 3, in this case starch powder, to a mixture with the addition of water vapor.
  • the resulting mixture is then subjected to pressing in the pressing device 4 into briquettes. Drying in the drier 6 takes place up to a water content of less than or equal to 7% by mass.
  • the drying of the carbon carriers prior to mixing and the heat treatment of the briquettes after the pressing takes place by means of superheated steam supplied via the steam feed lines 8a, 8b.
  • the resulting exhaust steam is introduced via the exhaust steam line 9a in the water vapor feed line 5 and the exhaust steam line 9b in the mixing device 1, where it is a subset of the added during mixing water vapor.
  • the dryer 6 is at the same time a device for changing the temperature of the carbon carriers prior to entry into the mixing device.
  • the inlet temperature of the premix can be adjusted into a predefined temperature range on entering the second mixing step by adjusting the temperature of the carbon carrier 3 supplied to the first mixing step to a predefined temperature interval.
  • a pre-mix inlet temperature setting entering a second predefined temperature range upon entry into the second mixing step may be accomplished by a pre-mix temperature altering device 15 of the premixer
  • exhaust steam can be used as a constituent of the water vapor supplied to the final mixer 11, which here, however, for reasons of clarity as well as a water vapor feed line for feeding water vapor to the device 15 not shown separately.
  • the carbon carriers 2 are fed from a carbon carrier storage 16, in which they are stored before being supplied to the mixer 6, via a carbon carrier discharge line 17 into the dryer.
  • the carbon carrier storage 16 is provided with a device 18 for changing the temperature of carbon carriers 2 located in the carbon carrier storage.
  • This device 18 is a device for indirect interaction with Water vapor into which a water vapor feed line, which is not shown separately for reasons of clarity, leads to the introduction of water vapor.
  • a pre-agglomeration may take place by means of a device 28 for pre-agglomeration of the mixture produced in the mixing device 1.
  • the mixture produced in the mixing device 1 is kneaded before introduction into the device 28 for pre-agglomeration in an optionally present kneader 29.
  • the briquettes produced according to the invention are used in a process for the production of pig iron with gasification of the carbon carriers; in FIG. 2 this is shown schematically for a COREX® process.
  • Briquettes taken from the heat treatment device 7, in which briquettes are hardened, are fed to a coal bunker 19, into which bitcoil 20 is also filled. From the coal bunker 19, this material is fed to a melter gasifier 21.
  • the carbon carrier is recovered liquid pig iron.
  • generator gas can be removed by means of heat exchanger 22 heat for the purpose of producing at least a subset of the water vapor used in the process according to the invention.
  • the generator gas is used as reducing gas in a dedusting device (not shown separately for reasons of clarity) in the reduction unit 23, in which the iron carriers intended for entry into the melter gasifier are generated.
  • top gas 24 is withdrawn from the reduction unit 23.
  • This can also, for example by means of heat exchanger 25, heat for the production of at least a subset of the water vapor used in the process according to the invention be withdrawn.
  • FIG. 2 is shown as after passing through the heat exchanger 25, the cooled top gas - optionally after further, not shown
  • Treatment steps - is used as export gas 26 in a binder factory 27 for the production of binder for a binder system used in the invention.
  • a carbon monoxide-rich synthesis gas is produced from the export gas and polyvinyl acetate is produced by its conversion via acetic acid and vinyl acetate.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Carbon And Carbon Compounds (AREA)

Claims (15)

  1. Procédé pour la fabrication d'une briquette contenant des supports en carbone (2), dans lequel les supports en carbone (2) sont soumis à un mélange avec un système de liant (3) sous apport de vapeur d'eau et le mélange ainsi obtenu est soumis à une compression pour obtenir la briquette, caractérisé en ce qu'est mise en oeuvre au moins l'une des étapes faisant partie du groupe constitué
    - du séchage des supports en carbone (2) avant le mélange,
    - de l'ajustement de la température des supports en carbone (2) à mélanger avec le système de liant (3) avant le mélange dans une gamme de températures prédéfinie,
    - du traitement thermique de la briquette après la compression,
    dans lequel
    - le séchage des supports en carbone (2) avant le mélange,
    et/ou
    - le traitement thermique de la briquette après la compression,
    et/ou
    - l'ajustement de la température des supports en carbone (2) à mélanger avec le système de liant (3) avant le mélange dans une gamme de températures prédéfinie, s'effectuent au moyen d'une interaction directe ou indirecte avec une vapeur d'eau surchauffée,
    et de la vapeur d'échappement produite lors de l'interaction est utilisée au moins en tant que quantité partielle de la vapeur d'eau apportée lors du mélange.
  2. Procédé selon la revendication 1, caractérisé en ce que le système de liant (3) est mélangé avec les supports en carbone (2) dans une première étape de mélange pour obtenir un prémélange,
    et le prémélange est soumis à une deuxième étape de mélange sous apport de la vapeur d'eau.
  3. Procédé selon la revendication 2, caractérisé en ce que la température d'entrée du prémélange lors de l'entrée dans la deuxième étape de mélange est ajustée dans une gamme de températures prédéfinie.
  4. Procédé selon la revendication 3, caractérisé en ce que la température d'entrée du prémélange est ajustée par ajustement de la température des supports en carbone (2) introduits dans la première étape de mélange dans un intervalle de températures prédéfini.
  5. Procédé selon l'une des revendications 2 à 4, caractérisé en ce que lors d'au moins un membre faisant partie du groupe constitué des membres suivants
    - ajustement de la température d'entrée du prémélange lors de l'entrée dans la deuxième étape de mélange dans une gamme de températures prédéfinie,
    - ajustement de la température d'entrée du prémélange par ajustement de la température des supports en carbone (2) introduits dans la première étape de mélange dans un intervalle de températures prédéfini,
    une interaction directe ou indirecte se produit avec de la vapeur d'eau.
  6. Procédé selon la revendication 5, caractérisé en ce que de la vapeur d'échappement produite lors de l'interaction est utilisée au moins en tant que constituant de la vapeur d'eau apportée lors du mélange.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que le système de liant (3) contient de l'amidon.
  8. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que le système de liant contient au moins un constituant faisant partie du groupe constitué des membres suivants
    - polymères synthétiques,
    - monomères se polymérisant en polymères synthétiques dans les conditions de la deuxième étape de mélange,
    - monomères se polymérisant en polymères synthétiques dans les conditions du séchage de la briquette obtenue lors de la compression ;
    dans lequel ce constituant est de préférence de l'acétate de polyvinyle.
  9. Procédé selon la revendication 8, caractérisé en ce que l'acétate de polyvinyle est produit au moins en partie à partir de monomères qui sont obtenus au moyen d'un gaz de synthèse, lequel est à base de gaz de dégagement produit par dégazage des supports en carbone (2) grâce au procédé selon l'invention pour la fabrication de fonte brute selon la revendication 10 ou la revendication 11, par conversion du CO du gaz de synthèse en acide acétique dans de l'acétate de vinyle.
  10. Dispositif approprié à la mise en oeuvre d'un procédé selon l'invention, avec un dispositif de mélange (1) pour le mélange de supports en carbone (2) avec un système de liant (3), et avec un dispositif de compression (4) pour la compression de la briquette à base d'un mélange obtenu à partir du dispositif de mélange (1),
    dans lequel le dispositif de mélange (1) comporte une conduite d'apport de vapeur d'eau (5) pour l'apport de vapeur d'eau,
    caractérisé en ce qu'est présent au moins un membre du groupe constitué
    - d'un séchoir (6) pour le séchage de supports en carbone (2),
    - d'un dispositif de traitement thermique (7) pour le traitement thermique de la briquette,
    - d'un dispositif pour la modification de la température des supports en carbone (2) avant admission dans le dispositif de mélange (1),
    dans lequel
    - le séchoir (6), et/ou
    - le dispositif pour la modification de la température des supports en carbone (2) avant admission dans le dispositif de mélange (1), et/ou
    - le dispositif de traitement thermique (7) pour le traitement thermique de la briquette,
    sont un dispositif pour l'interaction directe ou indirecte avec de la vapeur d'eau, dans lequel une conduite d'injection de vapeur d'eau (8a, 8b) pour l'injection de vapeur d'eau débouche et s'étend à partir de l'une conduite de vapeur d'échappement (9a, 9b),
    et dans lequel la conduite de vapeur d'échappement (9a, 9b) débouche dans la conduite d'apport de vapeur d'eau (5) et/ou dans le dispositif de mélange (1).
  11. Dispositif selon la revendication 10, dans lequel est présent un réservoir de supports en carbone (16), à partir duquel débouche une conduite d'évacuation de supports en carbone (17) dans le séchoir (6), caractérisé en ce que le réservoir de supports en carbone (16) est pourvu d'un dispositif (18) pour la modification de la température de supports en carbone (2) se trouvant dans le réservoir de supports en carbone (16).
  12. Dispositif selon l'une des revendications 10 à 11, caractérisé en ce que le dispositif de mélange (1) comporte
    - un prémélangeur (10) pour la mise en oeuvre d'une première étape de mélange,
    - une conduite d'apport de liant (12) débouchant dans le prémélangeur (10) pour l'apport d'un système de liant (3) dans le prémélangeur (10),
    - une conduite d'apport de supports en carbone (13) débouchant dans le prémélangeur pour l'apport de supports en carbone (2), de préférence de supports en carbone (2) provenant du séchoir (6), dans le prémélangeur (10),
    - un mélangeur final (11) pour la mise en oeuvre d'une deuxième étape de mélange, dans lequel débouche la conduite d'apport de vapeur d'eau (5).
  13. Dispositif selon la revendication 12, caractérisé en ce que le prémélangeur (10) comprend un dispositif (15) pour la modification de la température du prémélange se trouvant dans le prémélangeur (10).
  14. Dispositif selon l'une des revendications 10 à 13, caractérisé en ce qu'au moins un membre du groupe constitué des membres suivants
    - dispositif (15) pour la modification de la température du prémélange se trouvant dans le prémélangeur (10),
    - dispositif (18) pour la modification de la température de supports en carbone (2) se trouvant dans le réservoir de supports en carbone (16),
    est un dispositif pour l'interaction directe ou indirecte avec de la vapeur d'eau, dans lequel débouche une conduite d'injection de vapeur d'eau (8a, 8b) pour l'injection de vapeur d'eau.
  15. Dispositif selon l'une des revendications 10 à 14, caractérisé en ce que, dans le dispositif de mélange (1), le prémélangeur (10) et le mélangeur final (11) sont réunis en une unité d'appareillage.
EP13713847.5A 2012-04-10 2013-03-28 Procédé et dispositif de fabrication de briquettes Not-in-force EP2836613B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13713847.5A EP2836613B1 (fr) 2012-04-10 2013-03-28 Procédé et dispositif de fabrication de briquettes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12163533 2012-04-10
PCT/EP2013/056648 WO2013152959A1 (fr) 2012-04-10 2013-03-28 Procédé et dispositif de fabrication de briquettes
EP13713847.5A EP2836613B1 (fr) 2012-04-10 2013-03-28 Procédé et dispositif de fabrication de briquettes

Publications (2)

Publication Number Publication Date
EP2836613A1 EP2836613A1 (fr) 2015-02-18
EP2836613B1 true EP2836613B1 (fr) 2017-10-18

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EP13713847.5A Not-in-force EP2836613B1 (fr) 2012-04-10 2013-03-28 Procédé et dispositif de fabrication de briquettes

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US (1) US20150027038A1 (fr)
EP (1) EP2836613B1 (fr)
KR (1) KR20140144738A (fr)
CN (2) CN109385318A (fr)
AU (1) AU2013245608A1 (fr)
CA (1) CA2869942A1 (fr)
IN (1) IN2014DN07769A (fr)
RU (1) RU2642993C2 (fr)
UA (1) UA113639C2 (fr)
WO (1) WO2013152959A1 (fr)

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KR101418053B1 (ko) 2012-12-21 2014-07-09 주식회사 포스코 성형탄 및 그 제조 방법
EP3095814A1 (fr) 2015-05-20 2016-11-23 Primetals Technologies Austria GmbH Procédé de fabrication de pièces pressées contenant des fines de charbon
KR101709206B1 (ko) 2015-09-25 2017-02-22 주식회사 포스코 성형탄 및 그 제조 방법
US20170110589A1 (en) * 2015-10-14 2017-04-20 United Microelectronics Corp. Semiconductor structure
DE102017206457A1 (de) * 2017-04-13 2018-10-18 Thyssenkrupp Ag Vorrichtung und Verfahren zum Kompaktieren von kohlehaltigem Einsatzstoff sowie Verwendung
GB201706116D0 (en) * 2017-04-18 2017-05-31 Legacy Hill Resources Ltd Iron ore pellets
CN111205900B (zh) * 2020-01-20 2021-11-09 北京科技大学 一种用于实验室研究的焦炭类似物及其制备工艺
JP7415964B2 (ja) * 2021-01-21 2024-01-17 Ｊｆｅスチール株式会社 ブリケットの製造方法
EP4403657A1 (fr) 2021-09-16 2024-07-24 Tecnored Desenvolvimento Tecnologico S.A. Agglomérat solide à utiliser dans un four sidérurgique de réduction
BR102021024501A2 (pt) 2021-12-03 2022-06-21 Tecnored Desenvolvimento Tecnologico S A Processo e sistema de fabricação de um aglomerado sólido

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US20150027038A1 (en) 2015-01-29
AU2013245608A1 (en) 2014-09-25
RU2014144985A (ru) 2016-05-27
CA2869942A1 (fr) 2013-10-17
WO2013152959A1 (fr) 2013-10-17
CN109385318A (zh) 2019-02-26
CN104220604A (zh) 2014-12-17
IN2014DN07769A (fr) 2015-05-15
RU2642993C2 (ru) 2018-01-29
UA113639C2 (xx) 2017-02-27
EP2836613A1 (fr) 2015-02-18
KR20140144738A (ko) 2014-12-19

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