WO2015151847A1 - Mélange de charbon - Google Patents

Mélange de charbon Download PDF

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Publication number
WO2015151847A1
WO2015151847A1 PCT/JP2015/058387 JP2015058387W WO2015151847A1 WO 2015151847 A1 WO2015151847 A1 WO 2015151847A1 JP 2015058387 W JP2015058387 W JP 2015058387W WO 2015151847 A1 WO2015151847 A1 WO 2015151847A1
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WO
WIPO (PCT)
Prior art keywords
coal
ashless
coke
steam
caking
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PCT/JP2015/058387
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English (en)
Japanese (ja)
Inventor
貴洋 宍戸
濱口　眞基
菊池　直樹
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株式会社神戸製鋼所
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Application filed by 株式会社神戸製鋼所 filed Critical 株式会社神戸製鋼所
Priority to AU2015241616A priority Critical patent/AU2015241616B2/en
Priority to CN201580012261.8A priority patent/CN106062138B/zh
Priority to US15/127,900 priority patent/US20170096603A1/en
Priority to KR1020167026654A priority patent/KR20160127096A/ko
Priority to CA2938960A priority patent/CA2938960A1/fr
Publication of WO2015151847A1 publication Critical patent/WO2015151847A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
    • 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
    • C10L5/04—Raw material of mineral origin to be used; Pretreatment thereof
    • 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
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/02—Treating solid fuels to improve their combustion by chemical means
    • 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
    • C10L2290/28—Cutting, disintegrating, shredding or grinding

Definitions

  • the present invention relates to a coal mixture formed by mixing ashless coal, which is a solvent extract of coal, and steam coal.
  • Patent Document 1 discloses that coking coal for coke production is heated by heating a mixed coal composed of inferior coal and ashless coal (hyper coal) substantially free of ash to a softening temperature of ashless coal or higher. A method of manufacturing is disclosed. If this raw coke for coke production is used as a coke raw material, the amount of strongly caking coal used in coke production can be suppressed.
  • the petroleum-based caking additive that has been put into practical use has a high caking-compensating effect, the production amount is limited, and the sulfur content is high and remains in the coke.
  • the sulfur content contained in iron ore or coke increases, the sulfur content remaining in the hot metal also increases, and there is a problem that the load on the desulfurization treatment process increases.
  • an upper limit is set for the sulfur content input to the blast furnace. Sulfur is known to deteriorate the properties of iron.
  • the amount of petroleum-based caking additive in coke coal is limited to a few percent.
  • An object of the present invention is to provide a coal mixture capable of reducing the cost of coke raw materials.
  • the coal mixture in the present invention is a mixture of ashless coal, which is a solvent extract of coal, and general coal, in a weight ratio of 1: 1 to 1: 5, without heating, and mixed after mixing.
  • Charcoal has a Gieseler fluidity of 1.0 (Log ddpm) or more and an average maximum reflectance of 0.75 (%) or more.
  • the coal mixture according to the embodiment of the present invention is obtained by mixing ashless coal using coal as a raw material and steam coal in a weight ratio of 1: 1 to 1: 5 without heating.
  • Ashless coal is a solvent extract of coal, and is obtained by extracting coal components soluble in a solvent from a slurry obtained by mixing and heating coal and a solvent.
  • the general coals used for the coal mixture of the present embodiment are bituminous coal, subbituminous coal, and lignite, which belong to the C to F2 coal classification in Table 1. That is, the general coal of this embodiment is coal with a calorific value (anhydrous ashless standard) (kcal / kg) of 5800 or more and less than 8400.
  • the calorific value (anhydrous ashless standard) (kcal / kg) defined by Japanese Industrial Standard (JIS M 1002: 1978) is calculated based on the following equation.
  • the fuel ratio is a value obtained by dividing fixed carbon by volatile matter.
  • an inert gas such as nitrogen
  • the side chain portion and / or the bridge portion of the polymer matrix constituting the steaming coal is cut by thermal decomposition, and low molecular weight hydrocarbons or the like are reduced.
  • Boiling components, CO, H 2 and the like are generated and released to the outside of the general coal particles in a gas form.
  • These low-boiling components such as low molecular weight hydrocarbons, CO, H 2, etc., released to the outside of the general coal particles in gas form are called volatile matter (VM) of general coal, and are based on dry weight (dry-base) ).
  • VM volatile matter
  • fixed carbon is a non-volatile component of the carbon contained in steam coal.
  • Coal coal with calorific value (anhydrous ashless basis) (kcal / kg) of 5800 or more and less than 8400 is coking coal, sub-bituminous coal, and lignite coal, etc.
  • the ashless coal used in the coal mixture of this embodiment is obtained by extracting a coal component soluble in a solvent from a slurry obtained by mixing and heating coal and a solvent, and has an ash content of 5 It refers to those not more than wt%, preferably not more than 3 wt%.
  • ash means a residual inorganic substance when coal is incinerated by heating at 815 ° C., and the inorganic substance is silicic acid, alumina, iron oxide, lime, magnesia, alkali metal, and the like. Also, ashless coal has no moisture.
  • Ashless charcoal is excellent in fluidity and expansibility and shows a high effect as a binder.
  • Suitable ashless coal has a maximum fluidity (log MF) of 4.78 (Log ddpm) or higher, which is confirmed by a Gieseler fluidity test by the Gieseler plastometer method specified in JIS M8801. A solidification temperature exceeding 450 ° C. is also suitable as ashless coal.
  • the coal that is the raw material of ashless coal is not particularly limited, and bituminous coal with a high extraction rate may be used, or cheaper inferior quality coal (subbituminous coal, lignite) may be used. Therefore, in this embodiment, steam coal is used as a raw material for ashless coal.
  • steam coal is used as a raw material for ashless coal.
  • the production of ashless coal using steam coal as a raw material expands the use of steam coal in the manufacture of coal blends.
  • steaming coal as a raw material for ashless coal
  • ashless coal is produced in the production area of steaming coal, and a coal mixture is produced from this ashless coal and steaming coal. It is possible to perform consistently from production to the production of coal blends.
  • the manufacturing method of ashless coal is demonstrated.
  • the ashless coal production facility 100 used in the method for producing ashless coal includes, in order from the upstream side of the production process, a coal hopper 1, a solvent tank 2, a slurry preparation tank 3, a transfer pump 4, and a preheating. 5, an extraction tank 6, a gravity sedimentation tank 7, and solvent separators 8 and 9.
  • the method for producing ashless coal has an extraction step, a separation step, and an ashless coal acquisition step. Hereinafter, each step will be described.
  • steam coal is used as a raw material for ashless coal.
  • the extraction step is a step of heating a slurry obtained by mixing coal and a solvent to extract a coal component soluble in the solvent (dissolving in the solvent). This extraction step is performed in the slurry preparation tank 3, the preheater 5, and the extraction tank 6 in FIG.
  • Coal which is a raw material is charged into the slurry preparation tank 3 from the coal hopper 1 and a solvent is charged into the slurry preparation tank 3 from the solvent tank 2.
  • the coal and solvent charged into the slurry preparation tank 3 are mixed by the stirrer 3a to become a slurry composed of coal and solvent.
  • the slurry prepared in the slurry preparation tank 3 is supplied to the preheater 5 by the transfer pump 4 and heated to a predetermined temperature, then supplied to the extraction tank 6, and held at the predetermined temperature while being stirred by the stirrer 6a. Extraction is performed.
  • an aromatic solvent hydrohalogen donating or non-hydrogen donating solvent
  • the separation step the slurry obtained in the extraction step is solidified by, for example, gravity precipitation, a solution in which a coal component soluble in a solvent is dissolved, and a coal component (solvent insoluble component such as ash) insoluble in the solvent.
  • This is a step of separating into a concentrated solution (solvent-insoluble component concentrated solution).
  • This separation step is performed in the gravity settling tank 7 in FIG.
  • the slurry obtained in the extraction step is separated into a supernatant liquid as a solution and a solid content concentrated liquid by gravity in the gravity settling tank 7.
  • the supernatant liquid in the upper part of the gravity settling tank 7 is sent to the solvent separator 8, and the solid content liquid settled in the lower part of the gravity settling tank 7 is sent to the solvent separator 9.
  • the ashless coal acquisition step is a step of obtaining ashless coal (HPC) by evaporating and separating the solvent from the solution (supernatant liquid) separated in the separation step.
  • This ashless coal acquisition step is performed by the solvent separator 8 in FIG.
  • the solution separated in the gravity sedimentation tank 7 is supplied to the solvent separator 8, and the solvent is evaporated and separated from the supernatant in the solvent separator 8.
  • a general distillation method, evaporation method or the like can be used as a method for separating the solvent from the solution (supernatant liquid).
  • a general distillation method, evaporation method or the like can be used as a method for separating the solvent from the solution (supernatant liquid).
  • HPC ashless charcoal
  • Ashless coal contains almost no ash, has no moisture, and shows a higher calorific value than raw coal. Furthermore, softening meltability (fluidity), which is a particularly important quality as a raw material for coke for iron making, has been greatly improved, and the obtained ashless coal (HPC) is good even if the raw coal does not have softening meltability Soft meltability.
  • softening meltability fluidity
  • HPC ashless coal
  • by-product charcoal also referred to as RC or residual charcoal
  • solvent-insoluble components including ash and the like are concentrated by separating the solvent from the solid concentrate separated in the gravity sedimentation tank 7.
  • the above-mentioned inferior raw materials containing non-caking coal, non-caking coal, slightly caking coal, and steaming coal are inferior in caking property to strong caking coal and quasi-strong caking coal that are coking coal. Therefore, when using an inferior raw material as a coke raw material, by increasing the blending ratio of strong caking coal in the coke blending coal, typical properties required for coke blending coal (volatile matter, average maximum reflectance) , Gieseller fluidity) must be within the proper range. That is, as the amount of the inferior raw material used in the coal for coke is increased, the amount of expensive strong caking coal needs to be increased, so the cost of the coke raw material cannot be reduced.
  • the coal mixture of this embodiment is a mixture of ashless coal and steam coal in a weight ratio of 1: 1 to 1: 5, more preferably in a weight ratio of 1: 3 to 1: 5, without heating. Do it.
  • the mixed cellar has a Gieseller fluidity of 1.0 (Log ddpm) or more, more preferably 1.5. (Log ddpm) or higher.
  • the average maximum reflectance of mixed coal shall be 0.75 (%) or more.
  • the Gieseller fluidity and average maximum reflectance of the mixed coal mean values obtained by weighted averaging of the values of ashless coal and steam coal contained in the mixed coal, respectively.
  • the mixed coal has a Gieseler fluidity of preferably less than 4.0 (Log ddpm), and more preferably less than 3.8 (Log ddpm). Further, the average maximum reflectance of the mixed coal is preferably less than 1.2 (%), and more preferably less than 1.0 (%). As a result, the properties of the resulting coal mixture are equivalent to those of general strong caking coal (general strong viscosity) or semi-strong caking coal belonging to the categories BD in Table 2.
  • the properties of general strong caking coal (general strong caking) or semi-hard caking coal are volatile matter 20-33 (mass%), average maximum reflectance 0.8-1.3 (% ), And the Gieseller fluidity is 1.5 to 4.0 (Log ddpm).
  • the average maximum reflectance (%) is calculated based on a formula defined by Japanese Industrial Standard (JIS M 8816: 1992).
  • ashless coal is excellent in fluidity and expansibility, and exhibits a high effect as a binder. Therefore, by mixing ashless coal and steam coal without heating, it is possible to obtain mixed coal having caking properties similar to those of high-quality strong caking coal. And, by mixing ashless coal and steamed coal in a weight ratio of 1: 1 to 1: 5 without heating, the mixed coal has a Gieseller fluidity of 1.0 (Log ddpm) or more. The average maximum reflectance is 0.75 (%) or more. Thereby, the coal mixed material which has the property equivalent to a general strong caking coal (general strong caking) or a semi-strong caking coal can be obtained.
  • the amount of strong caking coal in coke production can be reduced, and the amount of steam coal contained in the coke blending coal can be reduced. Can be increased.
  • the amount of ashless coal added to the coke blended coal is not limited by the sulfur content. Therefore, the quantity of the inferior quality raw material which can be mix
  • Mixing of ashless coal and steam coal is performed without applying heat from the outside by a heating means.
  • blended may have a heat
  • ashless coal and steam coal are coarsely pulverized during or before mixing.
  • the coarse pulverization means pulverization so that the particle diameter becomes 20 mm or less.
  • Ashless coal and steam coal may be mixed in the pulverizer without being heated while being coarsely pulverized, or mixed separately after being separately input into the pulverizer and coarsely pulverized. They may be mixed without being heated by being put into a coal blender so as to have a ratio.
  • ashless coal and steaming coal are simultaneously fed into a pulverizer and mixed while coarsely pulverizing, they mix more uniformly, making it easier for ashless coal to adhere to the surroundings of steaming coal particles. .
  • regulated to JISA1102 is used, for example.
  • Ashless coal tends to be pulverized more easily than steam coal. Generally, finely pulverized coal tends to generate dust. In general, finely pulverized coal easily undergoes low-temperature oxidation, so there is a concern that spontaneous combustion may occur due to oxidation heat generation. Thus, coarsely pulverizing ashless coal and steam coal allows them to mix evenly during mixing, and the ashless coal comes into close contact with the particles of steam coal. Thereby, since dust generation and low-temperature oxidation are suppressed, a coal mixed material can be stably stored or transported. Moreover, since the caking effect by ashless coal is enhanced by the close adhesion of ashless coal with high caking properties around the particles of steaming coal with low caking properties, the caking property of coal mixture is increased. Can do.
  • the pulverizer associated with the coke oven causes the particle size of the general coke blended coal (particle size of 3 mm or less to occupy the entire proportion). (About 80% by weight).
  • coal that is a raw material for ashless coal is steam coal. Since the amount of steam coal contained in the coal for coke is further increased by using as a coke raw material a coal mixture obtained by mixing steam coal without heating ashless coal and steam coal as raw materials, The cost of the coke raw material can be further reduced. Also, from the production of ashless coal to the production of coal blends, such as producing ashless coal in the production area of steam coal and producing a coal blend with this ashless coal and steam coal. As a result, transportation costs and the like can be suppressed, and thus manufacturing costs can be reduced.
  • by-product coal obtained as a by-product in the production of ashless coal is used as fuel for local power plants. It is preferably used as a fuel in the ash coal production process.
  • the produced ashless coal and steam coal are transported from a coal storage or silo, and simultaneously charged into a pulverizer, and heated at room temperature (25 without coarsely pulverizing so that the particle size is 20 mm or less.
  • the mixture was mixed in the state of about °C.
  • ashless charcoal and steamed charcoal are charged separately into the pulverizer, coarsely pulverized so that the particle size is 20 mm or less, and then each is charged into the coal pulverizer so as to obtain an appropriate mixing ratio.
  • Table 3 shows the properties of ashless coal and four types of steaming coals A, B, C, and D, respectively.
  • the mixing ratio of ashless coal and general coal having the same properties as general strong caking coal (general strong caking) or semi-strong caking coal is 1: 1 to 1: 5 by weight, More preferably, the weight ratio was from 1: 3 to 1: 5.
  • ashless coal and steam coal are mixed at a weight ratio of 1: 1 to 1: 5 without heating to obtain a coal mixture.
  • Ashless coal is excellent in fluidity and expansibility, and shows a high effect as a binder. Therefore, by mixing ashless coal and steam coal without heating, it is possible to obtain mixed coal having caking properties similar to those of high-quality strong caking coal.
  • the mixed coal coal has a Gieseller fluidity of 1.0 (Log ddpm) or more. The average maximum reflectance is 0.75 (%) or more.
  • the coal mixed material which has the property equivalent to a general strong caking coal or a semi-strong caking coal can be obtained.
  • this coal mixture as a coke raw material instead of strong caking coal, the amount of strong caking coal in coke production can be reduced, and the amount of steam coal contained in the coke blending coal can be reduced.
  • the blending amount of the coal mixture in the coke blending coal is preferably 10% by mass to 50% by mass, and preferably 20% by mass to 30% by mass based on the total coke blending coal.
  • ashless coal alone it was necessary to adjust the appropriate amount according to the properties of the blended coal, but the coal mixture of the present invention is pre-blended with appropriate amounts of coal and ashless coal.
  • the amount of ashless coal added to the coke blended coal is not limited by the sulfur content. Therefore, the quantity of the inferior quality raw material which can be mix
  • ashless coal and steaming coal are coarsely pulverized. Ashless coal tends to be pulverized more easily than steam coal. Generally, finely pulverized coal tends to generate dust. In general, finely pulverized coal easily undergoes low-temperature oxidation, so there is a concern that spontaneous combustion may occur due to oxidation heat generation. Thus, coarsely pulverizing ashless coal and steam coal allows them to mix evenly during mixing, and the ashless coal comes into close contact with the particles of steam coal. Thereby, since dust generation and low-temperature oxidation are suppressed, a coal mixed material can be stably stored or transported. Moreover, since the caking effect by ashless coal is enhanced by the close adhesion of ashless coal with high caking properties around the particles of steaming coal with low caking properties, the caking property of coal mixture is increased. Can do.
  • coal the raw material for ashless coal
  • steam coal Since the amount of steam coal contained in the coal for coke is further increased by using as a coke raw material a coal mixture obtained by mixing steam coal without heating ashless coal and steam coal as raw materials, The cost of the coke raw material can be further reduced. Also, from the production of ashless coal to the production of coal blends, such as producing ashless coal in the production area of steam coal and producing a coal blend with this ashless coal and steam coal. As a result, transportation costs and the like can be suppressed, and thus manufacturing costs can be reduced.
  • the coal mixed material of the present invention is useful as a raw coal for producing coke and can be produced at low cost.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Coke Industry (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

　L'invention a pour but de réduire le coût de matières premières coke et comprend les étapes consistant à mélanger sans chauffage du charbon sans cendre qui est un extrait par solvant du charbon, et du charbon à vapeur dans un rapport compris entre 1:1 et 1:5, et à produire un mélange de charbon ayant ne fluidité de Gieseler de minimum 1,0 (log ddpm) et un facteur de réflexion maximale moyen de minimum 0,75 (%).
PCT/JP2015/058387 2014-03-31 2015-03-19 Mélange de charbon WO2015151847A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2015241616A AU2015241616B2 (en) 2014-03-31 2015-03-19 Coal blend
CN201580012261.8A CN106062138B (zh) 2014-03-31 2015-03-19 煤混合材料
US15/127,900 US20170096603A1 (en) 2014-03-31 2015-03-19 Coal blend
KR1020167026654A KR20160127096A (ko) 2014-03-31 2015-03-19 석탄 혼합재
CA2938960A CA2938960A1 (fr) 2014-03-31 2015-03-19 Melange de charbon

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Application Number Priority Date Filing Date Title
JP2014-072439 2014-03-31
JP2014072439A JP6266409B2 (ja) 2014-03-31 2014-03-31 石炭混合材

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WO2015151847A1 true WO2015151847A1 (fr) 2015-10-08

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US (1) US20170096603A1 (fr)
JP (1) JP6266409B2 (fr)
KR (1) KR20160127096A (fr)
CN (1) CN106062138B (fr)
AU (1) AU2015241616B2 (fr)
CA (1) CA2938960A1 (fr)
WO (1) WO2015151847A1 (fr)

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CN110484288B (zh) * 2019-08-23 2020-07-03 山西沁新能源集团股份有限公司 一种炼焦配煤的方法
JP7316993B2 (ja) 2020-12-10 2023-07-28 株式会社神戸製鋼所 無灰炭の製造方法

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JP2009215421A (ja) * 2008-03-10 2009-09-24 Kobe Steel Ltd コークスの製造方法
JP2009221361A (ja) * 2008-03-17 2009-10-01 Kobe Steel Ltd コークスの製造方法、及び、銑鉄の製造方法
JP2010150335A (ja) * 2008-12-24 2010-07-08 Nippon Steel Corp 高炉用コークスの製造方法
WO2014007184A1 (fr) * 2012-07-06 2014-01-09 株式会社神戸製鋼所 Coke, et procédé de fabrication de celui-ci
JP2014218583A (ja) * 2013-05-08 2014-11-20 独立行政法人産業技術総合研究所 非・微粘結炭からの高強度・高反応性コークス製造方法

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US4461627A (en) * 1981-12-18 1984-07-24 Hitachi, Ltd. Upgrading method of low-rank coal
JP4109686B2 (ja) * 2005-07-19 2008-07-02 株式会社神戸製鋼所 コークスの製造方法、及び、銑鉄の製造方法
JP5241105B2 (ja) * 2007-01-16 2013-07-17 株式会社神戸製鋼所 コークスの製造方法、及び銑鉄の製造方法
JP5438277B2 (ja) 2008-03-11 2014-03-12 株式会社神戸製鋼所 コークスの製造方法、および銑鉄の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009215421A (ja) * 2008-03-10 2009-09-24 Kobe Steel Ltd コークスの製造方法
JP2009221361A (ja) * 2008-03-17 2009-10-01 Kobe Steel Ltd コークスの製造方法、及び、銑鉄の製造方法
JP2010150335A (ja) * 2008-12-24 2010-07-08 Nippon Steel Corp 高炉用コークスの製造方法
WO2014007184A1 (fr) * 2012-07-06 2014-01-09 株式会社神戸製鋼所 Coke, et procédé de fabrication de celui-ci
JP2014218583A (ja) * 2013-05-08 2014-11-20 独立行政法人産業技術総合研究所 非・微粘結炭からの高強度・高反応性コークス製造方法

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CA2938960A1 (fr) 2015-10-08
US20170096603A1 (en) 2017-04-06
CN106062138B (zh) 2019-05-14
KR20160127096A (ko) 2016-11-02
JP6266409B2 (ja) 2018-01-24
CN106062138A (zh) 2016-10-26
JP2015193740A (ja) 2015-11-05
AU2015241616B2 (en) 2017-06-08
AU2015241616A1 (en) 2016-09-29

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