WO2015102192A1 - Composition de revêtement de briquette à base de poussière d'aciéries et briquette à base de poussière d'aciéries ainsi obtenue - Google Patents

Composition de revêtement de briquette à base de poussière d'aciéries et briquette à base de poussière d'aciéries ainsi obtenue Download PDF

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Publication number
WO2015102192A1
WO2015102192A1 PCT/KR2014/006547 KR2014006547W WO2015102192A1 WO 2015102192 A1 WO2015102192 A1 WO 2015102192A1 KR 2014006547 W KR2014006547 W KR 2014006547W WO 2015102192 A1 WO2015102192 A1 WO 2015102192A1
Authority
WO
WIPO (PCT)
Prior art keywords
steelmaking dust
steelmaking
briquette
ether compound
cellulose ether
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.)
Ceased
Application number
PCT/KR2014/006547
Other languages
English (en)
Korean (ko)
Inventor
김태홍
최낙운
손병희
강민석
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lotte Fine Chemical Co Ltd
Original Assignee
Samsung Fine Chemicals Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Fine Chemicals Co Ltd filed Critical Samsung Fine Chemicals Co Ltd
Priority to BR112016015297-2A priority Critical patent/BR112016015297B1/pt
Priority to CN201480071714.XA priority patent/CN105874041B/zh
Priority to AU2014374751A priority patent/AU2014374751B2/en
Publication of WO2015102192A1 publication Critical patent/WO2015102192A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/02—Working-up flue dust
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/10—Treating solid fuels to improve their combustion by using additives
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • 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
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • 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
    • C10L5/32—Coating
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • 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
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
    • C10L5/445—Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • C21C2007/0062—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires with introduction of alloying or treating agents under a compacted form different from a wire, e.g. briquette, pellet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Definitions

  • compositions for steelmaking dust briquette coating and steelmaking dust briquettes More specifically, a composition for steelmaking dust briquette coating and a steelmaking dust briquette containing a cellulose ether compound are disclosed.
  • the steelmaking process is divided into an iron making process for manufacturing crude steel using iron ore and coal and a steel making process for increasing the purity of the crude steel.
  • Steelmaking dust generated in the steelmaking process contains a large amount of iron and optionally metal components such as zinc. Conventionally, all the steelmaking dust containing the metal components was discarded, but recently, a technique for reusing it has been developed.
  • the steelmaking dust is not uniform in particle size distribution, and contains various components.
  • One of the representative technologies for recycling such steelmaking dust is a technique of compression molding the steelmaking dust into briquettes and re-entering the steelmaking process. Most steel companies recycle these steel dust in the form of briquettes.
  • the coal briquettes are transported to a vehicle and a conveyor belt for recycling.
  • briquettes are coated with an aqueous solution of sodium silicate to reduce dust generated during transportation.
  • an aqueous solution of sodium silicate there is an effect of reducing dust, but there is a problem that dust still occurs because the nozzle for spraying the aqueous solution of sodium silicate is blocked, or the aqueous solution of sodium silicate is coated only on the surface of the briquettes. .
  • One embodiment of the present invention provides a composition for steelmaking dust briquette coating comprising a cellulose ether compound.
  • Another embodiment of the present invention provides a steelmaking dust briquette comprising the composition for steelmaking dust briquette coating.
  • composition for steelmaking dust briquette coating containing a cellulose ether compound.
  • the cellulose ether compound may include at least one compound selected from the group consisting of methyl cellulose (MC), hydroxypropyl methyl cellulose (HPMC), hydroxyethyl methyl cellulose (HEMC) and hydroxyethyl cellulose (HEC). have.
  • MC methyl cellulose
  • HPMC hydroxypropyl methyl cellulose
  • HEMC hydroxyethyl methyl cellulose
  • HEC hydroxyethyl cellulose
  • the cellulose ether compound may have a viscosity of 100 ⁇ 60,000cps.
  • the content of the cellulose ether compound may be 0.45 to 5 parts by weight based on 100 parts by weight of the steelmaking dust briquette coating composition.
  • the steelmaking dust briquette coating composition may further include a binder 10 to 100 parts by weight based on 100 parts by weight of the cellulose ether compound.
  • the binder includes gelatinized starch, and the gelatinized starch may include at least one compound selected from the group consisting of corn starch, waxy corn starch and potato starch.
  • the steelmaking dust briquette coating composition may further include water.
  • It includes a coating layer coated on the body
  • the coating layer provides a steelmaking dust briquette containing a cellulose ether compound.
  • the coating layer may further include 10 to 100 parts by weight of the binder with respect to 100 parts by weight of the cellulose ether compound.
  • the coating layer may have a thickness of 10 ⁇ 100,000 ⁇ m.
  • Steelmaking dust briquette coating composition includes a cellulose ether compound, it is possible to prevent the clogging phenomenon of the nozzle for the injection during the coating process of steelmaking dust briquettes, not only on the surface of the steelmaking dust briquettes but also voids
  • the coating can reduce the generation of dust from the steelmaking dust briquettes during transportation, and can increase the strength of the steelmaking dust briquettes.
  • Steelmaking dust briquette coating composition according to an embodiment of the present invention comprises a cellulose ether compound.
  • steelmaking dust refers to a mixture of blast furnace dust and electric arc furnace dust.
  • the cellulose ether compound not only dissolves well in water, but does not precipitate on the inner surface of the nozzle when sprayed through the nozzle in an aqueous state, and thus does not block the nozzle hole.
  • dust when the cellulose ether compound is coated on the steelmaking dust briquettes, dust not only covers the surface of the steelmaking dust briquettes but also penetrates into the pores of the steelmaking dust briquettes. Prevents from occurring and increases its strength.
  • the cellulose ether compound may include at least one compound selected from the group consisting of methyl cellulose (MC), hydroxypropyl methyl cellulose (HPMC), hydroxyethyl methyl cellulose (HEMC) and hydroxyethyl cellulose (HEC). have.
  • MC methyl cellulose
  • HPMC hydroxypropyl methyl cellulose
  • HEMC hydroxyethyl methyl cellulose
  • HEC hydroxyethyl cellulose
  • the cellulose ether compound may have a viscosity of 100 to 60,000 cps (centipoise).
  • the viscosity of a cellulose ether compound is a viscosity measured using DV-II + Pro of Brookfield, and means the viscosity of the aqueous solution of a cellulose ether compound which has a density
  • the content of the cellulose ether compound may be 0.45 to 5 parts by weight based on 100 parts by weight of the steelmaking dust briquette coating composition.
  • the content of the cellulose ether compound is within the above range, it is possible to obtain steelmaking dust briquettes with less dust generation and improved strength.
  • the steelmaking dust briquette coating composition may further include a binder 10 to 100 parts by weight based on 100 parts by weight of the cellulose ether compound.
  • a binder 10 to 100 parts by weight based on 100 parts by weight of the cellulose ether compound When the content of the binder is within the above range, it is possible to reduce the amount of the cellulose ether compound used to reduce the manufacturing cost of the steelmaking dust briquette coating composition, increase the drying speed of the steelmaking dust briquette coating composition, Steelmaking dust briquettes with low dust generation and improved strength can be obtained.
  • the binder includes gelatinized starch, and the gelatinized starch may include at least one compound selected from the group consisting of corn starch, waxy corn starch and potato starch.
  • the steelmaking dust briquette coating composition may further include water.
  • the water content may be a content excluding the content of the cellulose ether compound and the content of the binder from the total content of the steelmaking dust briquette coating composition.
  • Another embodiment of the present invention includes a body and a coating layer coated on the body.
  • the main body refers to steelmaking dust briquettes which are not coated with the steelmaking dust briquette coating composition.
  • the coating layer comprises a cellulose ether compound.
  • the coating layer may further include 10 to 100 parts by weight of the binder with respect to 100 parts by weight of the cellulose ether compound.
  • the content of the binder is within the above range, it is possible to reduce the amount of the cellulose ether compound used to reduce the coating cost of the main body, to reduce the coating time of the main body, less dust generation and improved steelmaking dust You can get Briquettes.
  • the coating layer may have a thickness of 10 ⁇ 100,000 ⁇ m. When the thickness of the coating layer is within the above range, steelmaking dust briquettes having low dust generation and improved strength can be obtained at a relatively low cost.
  • a cellulose ether compound, gelatinized starch and water were mixed to prepare a composition for steelmaking dust briquette coating.
  • the water content was adjusted so that the total content of the cellulose ether compound and the gelatinized starch was 2 parts by weight based on 100 parts by weight of the steelmaking dust briquette coating composition.
  • the type and content of the cellulose ether compound used in each of the above examples, and the content of gelatinized starch are shown in Table 1 below.
  • the viscosity of the steelmaking dust briquette coating composition prepared in each of the above Examples was measured at 20 ⁇ 0.1 °C by DV-II + Pro of Brookfield, the results are shown in Table 1 below.
  • Example 1 Example 2
  • Example 3 Example 4
  • Power starch * 4 (part by weight) 10 10 10 10 10 10 10 10 10 10 Viscosity (cps) 205 195 220 210 200
  • the steelmaking dust briquette coating composition prepared in each of the above examples was coated on the steelmaking dust briquette prepared in Preparation Example 1 by a spraying method with a thickness of 30 ⁇ m, and then dried at 60 ° C. for 1 hour. As a result, a coated steelmaking dust briquette was obtained.
  • Sodium silicate (Sigma Aldrich, Na 2 O (SiO 2 )) was dissolved in water to prepare an aqueous sodium silicate solution having a concentration of 2% by weight. Subsequently, the aqueous sodium silicate solution was coated to a thickness of 30 ⁇ m by the spray method on the steelmaking dust briquettes prepared in Preparation Example 1, and then dried at 60 ° C. for 1 hour. As a result, a coated steelmaking dust briquette was obtained.
  • Each coated steelmaking briquette was dropped five times at a height of 5 m. Then, the total weight of the debris of 10 mm or more among the remaining debris of each coated steelmaking briquette was expressed as a percentage of the weight of each coated steelmaking briquette before dropping, and the value was evaluated as the drop strength. In this case, a larger value means that the drop strength is larger.
  • each coated steelmaking dust briquettes prepared in Examples 1 to 5 was found to have a small degree of dust generation and a large drop strength compared to the coated steelmaking dust briquettes prepared in Comparative Example 1.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Combustion & Propulsion (AREA)
  • Agronomy & Crop Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

Cette invention concerne une composition de revêtement de briquette à base de poussière d'aciéries et la briquette à base de poussière d'aciéries ainsi obtenue. La composition décrite pour le revêtement d'une briquette à base de poussière d'aciéries selon l'invention contient un composé d'éther de cellulose.
PCT/KR2014/006547 2013-12-31 2014-07-18 Composition de revêtement de briquette à base de poussière d'aciéries et briquette à base de poussière d'aciéries ainsi obtenue Ceased WO2015102192A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112016015297-2A BR112016015297B1 (pt) 2013-12-31 2014-07-18 composição para o revestimento de briquetes de pó de aciaria, e, briquetes de pó de aciaria
CN201480071714.XA CN105874041B (zh) 2013-12-31 2014-07-18 用于涂覆炼钢粉尘块的组合物及炼钢粉尘块
AU2014374751A AU2014374751B2 (en) 2013-12-31 2014-07-18 Composition for coating steelmaking dust briquette and steelmaking dust briquette

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130169401A KR102155601B1 (ko) 2013-12-31 2013-12-31 제강분진 조개탄 코팅용 조성물 및 제강분진 조개탄
KR10-2013-0169401 2013-12-31

Publications (1)

Publication Number Publication Date
WO2015102192A1 true WO2015102192A1 (fr) 2015-07-09

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PCT/KR2014/006547 Ceased WO2015102192A1 (fr) 2013-12-31 2014-07-18 Composition de revêtement de briquette à base de poussière d'aciéries et briquette à base de poussière d'aciéries ainsi obtenue

Country Status (5)

Country Link
KR (1) KR102155601B1 (fr)
CN (1) CN105874041B (fr)
AU (1) AU2014374751B2 (fr)
BR (1) BR112016015297B1 (fr)
WO (1) WO2015102192A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101703070B1 (ko) * 2015-09-08 2017-02-06 주식회사 포스코 성형탄, 그 제조 방법 및 용철 제조 방법
KR20170076974A (ko) * 2015-12-24 2017-07-05 롯데정밀화학 주식회사 제강 분진 브리켓 제조 방법

Citations (6)

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US4165968A (en) * 1978-05-09 1979-08-28 Duncan Norman B Composition for coating charcoal briquettes
US4478601A (en) * 1981-01-30 1984-10-23 Leonard Stephens Coal briquette and method
US4971597A (en) * 1988-12-09 1990-11-20 Ra Investment Corporation Solid alcohol fuel with hydration inhibiting coating
JPH10259390A (ja) * 1997-03-19 1998-09-29 Nippon Steel Corp 野積み石炭の表面被覆方法
KR20010049205A (ko) * 1999-11-23 2001-06-15 루케 존 이에 코팅된 활성탄
KR101127790B1 (ko) * 2011-05-16 2012-03-23 주식회사 신승 코크스의 균열 및 파손에 의한 분코크스 발생 방지를 위한 코팅제

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DE1185148B (de) * 1960-06-03 1965-01-14 Bergwerksverband Gmbh Verfahren zur Beseitigung der Unterschiede von Oberflaecheneigenschaften feinkoerniger und/oder staubfoermiger Stoffe, insbesondere Brennstoffe
GB956976A (en) * 1960-12-14 1964-04-29 Douglas Louis Breithaupt Solid fuel coatings
US5271859A (en) 1992-08-10 1993-12-21 Betz Laboratories, Inc. Methods for controlling dust in high temperature systems
CA2222190A1 (fr) 1998-02-02 1999-08-02 Billy J. Major Nouveau liant synergique
AU2003293306A1 (en) * 2002-09-18 2004-04-23 Akzo Nobel N.V. Binder composition and process for agglomerating particulate material
EP1454996B1 (fr) * 2003-03-07 2010-01-20 JTEKT Corporation Briquette pour matière première dans la production de fer et briquette pour l'introduction dans un appareillage produisant des scories
UA86959C2 (uk) * 2003-12-12 2009-06-10 Акцо Нобель Н.В. Спосіб виробництва залізорудних агломератів та композиція зв'язучого
JP2006104528A (ja) * 2004-10-06 2006-04-20 Ntn Corp 製鋼ダスト固形化物およびその製造方法
AT507261B1 (de) * 2008-09-11 2010-09-15 Siemens Vai Metals Tech Gmbh Verfahren zur herstellung von agglomeraten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165968A (en) * 1978-05-09 1979-08-28 Duncan Norman B Composition for coating charcoal briquettes
US4478601A (en) * 1981-01-30 1984-10-23 Leonard Stephens Coal briquette and method
US4971597A (en) * 1988-12-09 1990-11-20 Ra Investment Corporation Solid alcohol fuel with hydration inhibiting coating
JPH10259390A (ja) * 1997-03-19 1998-09-29 Nippon Steel Corp 野積み石炭の表面被覆方法
KR20010049205A (ko) * 1999-11-23 2001-06-15 루케 존 이에 코팅된 활성탄
KR101127790B1 (ko) * 2011-05-16 2012-03-23 주식회사 신승 코크스의 균열 및 파손에 의한 분코크스 발생 방지를 위한 코팅제

Also Published As

Publication number Publication date
CN105874041A (zh) 2016-08-17
KR20150079281A (ko) 2015-07-08
AU2014374751A1 (en) 2016-05-26
AU2014374751B2 (en) 2018-05-10
BR112016015297B1 (pt) 2020-12-29
CN105874041B (zh) 2020-10-02
KR102155601B1 (ko) 2020-09-14

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