WO2018097387A1 - 조립물 제조장치, 이를 구비하는 소결광 제조장치 및 소결광 제조방법 - Google Patents

조립물 제조장치, 이를 구비하는 소결광 제조장치 및 소결광 제조방법 Download PDF

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Publication number
WO2018097387A1
WO2018097387A1 PCT/KR2016/014843 KR2016014843W WO2018097387A1 WO 2018097387 A1 WO2018097387 A1 WO 2018097387A1 KR 2016014843 W KR2016014843 W KR 2016014843W WO 2018097387 A1 WO2018097387 A1 WO 2018097387A1
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WIPO (PCT)
Prior art keywords
assembly
sintered ore
raw material
manufacturing
manufacturing apparatus
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PCT/KR2016/014843
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English (en)
French (fr)
Korean (ko)
Inventor
조병국
김성완
정은호
박종인
Original Assignee
주식회사 포스코
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.)
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Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to CN201680091185.9A priority Critical patent/CN110023520A/zh
Priority to EP16922147.0A priority patent/EP3546603A4/en
Priority to JP2019527849A priority patent/JP2020501014A/ja
Publication of WO2018097387A1 publication Critical patent/WO2018097387A1/ko

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
    • 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
    • C22B1/16—Sintering; Agglomerating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/16—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using pocketed rollers, e.g. two co-operating pocketed rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0005—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for briquetting presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30—Feeding material to presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/32—Discharging presses
    • 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
    • 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
    • C22B1/248—Binding; Briquetting ; Granulating of metal scrap or alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material

Definitions

  • the present invention relates to a granulated production apparatus, a sintered ore manufacturing apparatus and a sintered ore manufacturing method comprising the same, and more particularly, a granulated manufacturing apparatus that can improve the quality and productivity of the sintered ore, a sintered ore manufacturing apparatus and a sintered ore manufacturing It is about a method.
  • a sintering process of Dwight-Lyoid (hereinafter referred to as "DL") that can be mass-produced is mainly used.
  • DL Dwight-Lyoid
  • powdered iron ore, secondary raw materials, and fuels (powder coke, anthracite coal), etc. are put into a drum mixer, mixed and humidified (raw material weight ratio of about 7 to 8%), and the sintered blended raw materials are pseudo-granulated and sintered truck Charge to a certain height on the costume.
  • firing of the sintered blended raw material proceeds by forcibly sucking air from below after the surface ignition by the ignition furnace, and a sintered ore is produced.
  • the sintered ore is cooled in a cooler through a crusher of the light distribution unit, classified into a particle size of 5 to 50 mm that is easy for charging and reaction in the blast furnace, and then transferred to the blast furnace.
  • the strength of the granules significantly affects the air permeability of the sintered layer. Therefore, there is a need for a method capable of manufacturing the granules to have a strength that can withstand the mechanical and thermal shocks during transportation, charging and firing.
  • the present invention provides a granulated article manufacturing apparatus, a sintered ore manufacturing apparatus having the same and a sintered ore manufacturing method which can secure the strength of the granulated material, and can ensure the air permeability in the raw material layer.
  • An apparatus for producing granulated products includes: a molding machine including a pair of first rolls spaced apart from each other so as to form a space into which a raw material is injected and to manufacture a plate-shaped molded body; And a shredder including a pair of second rolls spaced apart to form a space into which the molded body flows.
  • the molding machine may include an injector which pressurizes the raw material between the pair of first rolls.
  • Protrusions may be formed on the outer circumferential surface of the second roll.
  • the separation distance of the second roll may be shorter than the separation distance of the first roll.
  • the crusher is provided directly below the molding machine, and the pair of first rolls and the pair of second rolls are arranged side by side such that the molded body manufactured in the molding machine is inserted between the pair of second rolls. Can be.
  • the sintered ore manufacturing apparatus is a device for manufacturing a sintered ore, by mixing the first iron ore, the secondary raw material and the fuel to produce a first blended raw material, by combining the first blended raw material to the first assembly A first pretreatment unit which may be manufactured; And a second pretreatment unit which compresses the second compound raw material including the ferrous ore, powder and fuel to manufacture a molded body, and breaks the molded body into a second assembly.
  • a sorter may be included to select the size of the first iron ore.
  • the second pretreatment unit may include a first mixer capable of mixing the second iron ore, subsidiary materials, and fuel to prepare a second blended raw material.
  • the second pretreatment unit may include a molding machine including a pair of first rolls spaced apart to form a space in which the second compound material is injected; It may include; a crusher provided in the lower portion of the molding machine, including a pair of second rolls provided spaced apart.
  • the molding machine may include an injector for pressurizing the second compound material between the pair of first rolls.
  • Protrusions may be formed on the outer circumferential surface of the second roll.
  • the separation distance of the second roll may be shorter than the separation distance of the first roll.
  • a second mixer may be included to mix the first assembly and the second assembly.
  • a sintered ore manufacturing method comprising the steps of: preparing a first assembly by combining a first blended raw material including a first iron ore, a secondary raw material and a fuel; Forming and crushing a second blended raw material including ferrous ore, secondary raw material and fuel to prepare a second assembly; And charging the first assembly and the second assembly to a sintered trolley.
  • Including the process of the particle size selection of the first iron ore, the iron ore having a particle size of 3 mm or less in the process of the particle size selection of the first iron ore may include the step of including in the second raw material.
  • In the process of preparing the second compound raw material may include the step of introducing a binder.
  • the process of manufacturing the second assembly may include: forming a plate-shaped molded body by compression molding the second compound raw material; And crushing the plate-shaped molded body to produce a second assembly in the form of particles.
  • the size of the second assembly may be adjusted.
  • the charging of the sintered trolley it may include the step of mixing the first assembly and the second assembly.
  • FIG. 1 is a view schematically showing the configuration of a sintered ore manufacturing apparatus according to an embodiment of the present invention.
  • FIG. 2 is a view schematically showing the configuration of an assembly manufacturing apparatus according to an embodiment of the present invention.
  • Figure 3 is a flow chart showing sequentially a sintered ore manufacturing method according to an embodiment of the present invention.
  • FIG. 4 is a view conceptually showing a method of manufacturing an assembly with an assembly manufacturing apparatus according to an embodiment of the present invention.
  • 5 is a graph showing a comparison of productivity according to the type of granules.
  • Figure 6 is a graph showing the particle size distribution of the granules according to the roll-to-roll distance of the crusher.
  • FIG. 7 is a graph showing a comparison of the initial strength according to the type of granules.
  • Figure 8 is a graph showing a comparison of the compressive strength according to the type of granules.
  • FIG. 9 is a graph showing a comparison of the moisture resistance strength according to the type of granules.
  • FIG. 10 is a graph showing a comparison of the flow rate of air passing through the raw material layer according to the type of granulated material.
  • the compressor may further include a compressor (not shown) for compressing the molded body.
  • the compressor may have a pair of rolls spaced apart from each other, such as a molding machine 430, wherein the interval between the rolls is smaller than the interval of the first roll 432 and larger than the interval of the second roll 442. It can have a gap.
  • a protrusion 444 may be formed on the outer circumferential surface of the second roll 442 so as to easily break the molded body.
  • the protrusion 444 may be provided to have a predetermined interval D3 on the outer circumferential surface of the second roll 442, where the interval of the protrusion 444 affects the size of the second assembly manufactured by crushing the molded body.
  • the protrusion 444 may be formed in various shapes, for example, may be formed in a lattice shape so as to prepare a second assembly in the form of particles having a length, a width, and a thickness by crushing the molded body. The size of the second assembly may be adjusted through the size of the protrusion 444 formed on the gap between the second roll 442 or the outer circumferential surface of the second roll 442.
  • the sintered ore manufacturing equipment may further include a sorter 500.
  • the sorter 500 may select iron ores having a particle size of less than or equal to a specific particle size, for example, 1 mm or less or 3 mm or less from the first iron ore.
  • the iron ore selected by the sorting machine 500 may be provided to the second pretreatment unit 400 and used to manufacture the second assembly together with the second iron ore.
  • the raw material supply unit 110 includes a surge hopper 114 for storing the first assembly manufactured by the first pretreatment unit 300 and the second assembly manufactured by the second pretreatment unit 400, and the upper light. It may include a charging device 116 for charging the compounding material and the upper light to the upper optical hopper 112 and the sintered trolley 200 to store. In this case, the first assembly and the second assembly may be mixed in a separate mixer (not shown) and then stored in the surge hopper 114.
  • FIG 3 is a flowchart sequentially showing a sintered ore manufacturing method according to an embodiment of the present invention
  • Figure 4 is a view conceptually showing a method for manufacturing an assembly with an assembly manufacturing apparatus according to an embodiment of the present invention.
  • the sintered ore manufacturing method the process of preparing a first iron ore (S110), the first iron ore, a secondary raw material and a fuel material to prepare a first blended raw material (S114), the process of manufacturing the first assembly by combining the first blended material (S116), the process of preparing a second iron ore (S120), by mixing the second iron ore, secondary raw materials, fuel material and binder
  • the process of preparing the first iron ore may include a step (S112) of the particle size selection of the first iron ore having a specific size, for example, 3 mm or less from the first iron ore.
  • the first iron ore having a size of 3 mm or less selected here may be used to prepare the second assembly.
  • the first iron ore may be iron ore having a size of 10 cm or less.
  • the first iron ore may be used to manufacture the first assembly, and if necessary, the second pretreatment unit for manufacturing the second assembly by selecting the iron ore having a size of 1 mm or less or 3 mm or less from the first iron ore. 400 may also be transferred.
  • the first raw material is mixed with the raw materials such as limestone and fuel materials in the first mixer 320 and uniformly mixed to prepare the first raw material.
  • the first blended raw material is manufactured, the first blended raw material is charged to the granulator 330 and stirred while adding moisture to thereby combine the first iron ore, the subsidiary raw materials and the fuel material to produce a first assembly such as pellets.
  • the second iron ore may be fine iron ore having a size of 100 ⁇ m or less.
  • the ferric ore can be used to prepare the second assembly and can be made into the second assembly by mixing the ferrous ore alone or with iron ore of less than or equal to 1 mm or less than or equal to 3 mm, the particle size being selected from the second iron ore and the first iron ore. Can be.
  • the second raw material is manufactured by charging the second raw material 516 uniformly with the auxiliary material such as limestone and the fuel material and the binder such as coke and the like.
  • the binder may include at least one of molasses, quicklime (CaO), and moisture.
  • the second assembly in the form of amorphous particles may be manufactured in the granulation production device.
  • the second compound raw material is press-injected into the molding machine 430 using the injector 434, and the molding machine 430 may produce a plate-shaped molded body by compression molding the second compound raw material using the second roll 442. have.
  • the molded body thus manufactured may have a thickness of about the interval of the second roll 442.
  • the molded body is supplied to the crusher 440 under the molding machine 430, and the molded body passes through the second roll 442 of the crusher 440 to the protrusion 444 formed on the outer circumferential surface of the second roll 442.
  • the second assembly may have a higher compressive strength than the molded body.
  • the second assembly When the second assembly is manufactured, the second assembly may be stored together with the first assembly manufactured by the first preprocessing unit 300 in the surge hopper 114 of the raw material supply unit 110. In this case, the first assembly and the second assembly may be stored in the surge hopper 114 after being mixed in a separate mixer, or may be stored in different surge hoppers, respectively.
  • the upper light, the first assembly, and the second assembly are charged into the sintered trolley 200 moving along the movement path 120 using the charging apparatus 116 to form a raw material layer.
  • the sintered trolley 200 may pass through the movement path 120 to ignite the surface layer portion of the raw material layer and proceed with sintering of the raw material layer.
  • Figure 5 is a graph showing the comparison of the productivity according to the type of granules
  • Figure 6 is a graph showing the particle size distribution of the granules according to the distance between the rolls of the shredder
  • Figure 7 shows a comparison of the initial strength according to the type of the granules
  • 8 is a graph showing a comparison of the compressive strength according to the type of granules
  • Figure 9 is a graph showing a comparison of the moisture resistance strength according to the type of granules
  • Figure 10 is passed through the raw material layer according to the type of granules This graph shows the flow rate of air.
  • Iron ore to be used as a raw material for sintered ores was prepared for the test.
  • the chemical composition and particle size of the iron ore used in the test is shown in Table 1 below.
  • Iron ore A is a representative iron ore for sintering, and may correspond to the aforementioned first iron ore.
  • Iron ore B is a hematite-based fine ore (or pellet feed) and has a very high derivative ratio (particle size of 0.15 mm or less) of about 90% by weight. Iron ore B may correspond to ferric ore.
  • Iron ore A was prepared as a first assembly through the first pre-treatment unit 300
  • iron ore B was prepared as a second assembly through the second pre-treatment unit (400).
  • the first assembly manufactured through the first preprocessing unit 300 is referred to as STD.
  • At least one of an auxiliary material, a fuel material, moisture, and a binder was used to prepare the first assembly and the second assembly.
  • the second assembly was manufactured using the second pretreatment unit 400 according to an embodiment of the present invention, wherein the first roll 432 of the molding machine 430 was adjusted to 1 cm and 2 cm, respectively, to form a plate.
  • the second roll 442 of the crusher 440 was adjusted to a range of 1 to 2 cm to crush the molded body to prepare a second assembly.
  • the granules manufactured by crushing the molded body prepared by adjusting the first roll 432 to 1 cm are called PA1
  • the granules manufactured by crushing the molded body manufactured by adjusting the first roll 432 to 2 cm Water is called PA2.
  • Briquettes were prepared to have a volume of 0.5 cc, 1.0 cc and 2.0 cc, and are referred to as B1, B2 and B3, respectively.
  • the pellets were manufactured to have sizes of 1 cm and 2 cm in diameter, and are referred to as P1 and P2, respectively.
  • a sample was prepared using the first assembly and the second assembly, and a sintered ore was manufactured using the sample.
  • Sample 1 was prepared in 30 kg of the first assembly. Then, Sample 1 was charged into a sintering port having a diameter of 150 mm to form a raw material layer, and after igniting the surface layer portion of the raw material layer, sintering was carried out while sucking at a pressure of 1,500 mmAq at the bottom of the sintering port.
  • Sample 2 was prepared in 30 kg of a mixture of the first assembly and Briquette B1. Then, Sample 2 was charged into a sintering port having a diameter of 150 mm to form a raw material layer, and after igniting the surface layer portion of the raw material layer, sintering was carried out while sucking at a pressure of 1,500 mmAq at the bottom of the sintering port.
  • Sample 3 was prepared in a 30 kg mixture of first assembly and Briquette B2. Then, Sample 3 was charged into a sintering port having a diameter of 150 mm to form a raw material layer, and after igniting the surface layer portion of the raw material layer, sintering was carried out while sucking at a pressure of 1,500 mmAq at the bottom of the sintering port.
  • Sample 4 was prepared in a 30 kg mixture of first assembly and Briquette B3. Then, Sample 4 was charged into a sintering port having a diameter of 150 mm to form a raw material layer, and after igniting the surface layer portion of the raw material layer, sintering was carried out while sucking at a pressure of 1,500 mmAq at the bottom of the sintering port.
  • Sample 5 was prepared in 30 kg of a mixture of the first assembly and the second assembly PA1. Then, Sample 5 was charged into a sintering port having a diameter of 150 mm to form a raw material layer, and after igniting the surface layer portion of the raw material layer, sintering was carried out while sucking at a pressure of 1,500 mmAq at the bottom of the sintering port.
  • Sample 6 was prepared in a mixture of 30 kg of the first assembly and the second assembly PA1. Then, Sample 6 was charged into a sintering port having a diameter of 150 mm to form a raw material layer, and after igniting the surface layer portion of the raw material layer, sintering was carried out while sucking at a pressure of 1,500 mmAq at the bottom of the sintering port.
  • Iron ore A and iron ore B used to prepare the samples 2 to 6 were used in a weight ratio of 8: 2.
  • the yield per hour increases as the volume of the briquette increases.
  • the production per hour increases when the plate-shaped molded body is manufactured according to an embodiment of the present invention, and then crushed using a crusher to prepare a second assembly than the case of manufacturing briquettes using iron ore B. .
  • the distance between the first roll of the molding machine increases in the production of the second assembly, the amount of production increases rapidly.
  • the weight ratio according to the particle size of the second assembly when the distance between the second roll 442 of the crusher 440 was adjusted.
  • the second assembly manufactured according to an embodiment of the present invention has a higher initial strength when the distance between the first rolls 432 is 2 cm when the distance between the first rolls 432 is 1 cm.
  • the second assembly manufactured according to the embodiment of the present invention has a similar or high initial strength regardless of the volume of the briquettes, and in particular, when the interval between the first rolls 432 is properly adjusted, the strength of the second assembly is significantly reduced. It can be seen that it can increase.
  • the compressive strength of the second assembly having a size of 10 mm and the briquettes B1, B2, and B3 of the second assembly manufactured using the iron ore B was compared.
  • the second assemblies PA1 and PA2 are shown to have a higher compressive strength than Briquette B1 having the smallest volume, and have similar compressive strengths as Briquettes B2 and B3.
  • the compressive strength of the second assembly PA2 manufactured using the molding machine 430 having a relatively large distance between the first rolls 432 was lower than the compressive strength of the second assembly PA1, compared to Briquettes B2 and B3. It can be seen that it has a high or similar compressive strength.
  • the moisture resistance strength of the pellets (P1, P2), briquettes (B1, B2, B3) and the second assembly (PA1, PA2) prepared by using the iron ore B was measured.
  • the moisture resistance strength indicates whether the pellets, briquettes and the second assembly can maintain strength and strength in the slurry region where moisture is condensed during the manufacture of the sintered ore.
  • the moisture resistance strengths of the briquettes B1, B2, and B3 and the second assemblies PA1 and PA2 were higher than those of the pellets P1 and P2.
  • the second assemblies PA1 and PA2 have lower moisture resistance strengths than the briquettes B1, B2 and B3, but have almost similar or high moisture resistance strengths.
  • the air permeability in the raw material layer charged in the sintered trolley was measured.
  • the air permeability in the raw material layer is significantly lower than when sintered ore is manufactured using PA1 and PA2). That is, when the sintering process is performed by mixing the briquette or the second assembly together with the first assembly, more voids in the raw material layer may be secured than when the sintering is performed using the first assembly, thereby improving air permeability.
  • the air permeability in the raw material layer is improved than when sintering using the first assembly and the smallest briquette B1 It can be seen that. And when the sintering process using the first assembly and the second assembly PA2 using the first assembly and the second assembly PA1 it can be seen that the excellent air permeability in the raw material layer. This result is because the volume of the second assembly PA1 and PA2 is larger than the volume of Briquette B1, the size of the second assembly PA2 is larger than the size of the second assembly PA1, the particle size of the raw material used for sintering or Increasing the volume indicates that it is advantageous to ensure the breathability of the raw material layer.
  • the production efficiency of the granules that is, the second assembly using the fine iron ore can be improved.
  • the fine iron ore is made of a second assembly having a compressive strength, moisture resistance strength, etc. suitable for the production of sintered ore, the second assembly can be adjusted in size to improve the sintering productivity and sintered ore quality by improving the breathability during the sintering process can do.
  • the assembly manufacturing apparatus according to the present invention, the sintered ore manufacturing apparatus and the sintered ore manufacturing method having the same can ensure the breathability in the raw material layer during the production of sintered ore can improve the sintering productivity and quality.

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PCT/KR2016/014843 2016-11-28 2016-12-16 조립물 제조장치, 이를 구비하는 소결광 제조장치 및 소결광 제조방법 WO2018097387A1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201680091185.9A CN110023520A (zh) 2016-11-28 2016-12-16 粒状产品制造装置、包括其的烧结矿石制造装置以及烧结矿石制造方法
EP16922147.0A EP3546603A4 (en) 2016-11-28 2016-12-16 DEVICE FOR PRODUCING GRANULATED PRODUCT, DEVICE THEREFOR FOR PRODUCING Sintered Ore, and Method for Producing Sintered Ore
JP2019527849A JP2020501014A (ja) 2016-11-28 2016-12-16 造粒物の製造装置、これを備える焼結鉱の製造装置及び焼結鉱の製造方法

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KR1020160159430A KR101908483B1 (ko) 2016-11-28 2016-11-28 조립물 제조장치, 이를 구비하는 소결광 제조장치 및 소결광 제조방법
KR10-2016-0159430 2016-11-28

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WO2018097387A1 true WO2018097387A1 (ko) 2018-05-31

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JP2020084201A (ja) * 2018-11-15 2020-06-04 日本製鉄株式会社 焼結原料の成型物の製造方法
JP2020164910A (ja) * 2019-03-29 2020-10-08 Ｊｆｅスチール株式会社 焼結鉱の製造方法

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KR102139634B1 (ko) * 2018-07-12 2020-07-30 주식회사 포스코 소결광 제조 방법
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KR102251037B1 (ko) 2019-08-09 2021-05-12 주식회사 포스코 소결광 제조 방법
CN111549215A (zh) * 2020-06-30 2020-08-18 刘浩睿 一种铁矿料加工方法
CN113699369B (zh) * 2021-08-24 2023-05-12 德龙钢铁有限公司 一种烧结料制备设备及方法
TWI823628B (zh) * 2022-10-17 2023-11-21 中國鋼鐵股份有限公司 燒結機的控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06212291A (ja) * 1993-01-13 1994-08-02 Sumitomo Metal Ind Ltd 焼結鉱製造における焼結原料の前処理方法
KR20130034296A (ko) * 2011-09-28 2013-04-05 현대제철 주식회사 소결광의 제조방법
KR20130110591A (ko) * 2012-03-29 2013-10-10 현대제철 주식회사 브리켓 제조 장치 및 이를 이용한 브리켓 제조 방법
KR20150071388A (ko) * 2013-12-18 2015-06-26 주식회사 포스코 소결광 제조 방법
JP2016191122A (ja) * 2015-03-31 2016-11-10 新日鐵住金株式会社 焼結鉱の製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60251925A (ja) * 1984-05-28 1985-12-12 Kawasaki Steel Corp 粉状鉱石類の塊成化装置
JPS62228434A (ja) * 1986-03-29 1987-10-07 Nippon Steel Corp 還元鉄または予備還元鉱の塊成化方法
JP2000302716A (ja) * 1999-04-23 2000-10-31 Mitsui Chemicals Inc 顆粒状フェノール類の製造方法
AUPR678301A0 (en) * 2001-08-02 2001-08-23 Commonwealth Scientific And Industrial Research Organisation Iron ore briquetting
ATE484601T1 (de) * 2005-05-10 2010-10-15 Nippon Steel Corp Verfahren zur vorbehandlung von ausgangsstoffen zum sintern
JP4795484B2 (ja) * 2009-03-31 2011-10-19 新日本製鐵株式会社 鉄鉱石原料の粉砕方法
KR101449456B1 (ko) 2012-11-23 2014-10-13 주식회사 포스코 소결 배합 원료 제조 방법
KR101850132B1 (ko) * 2013-12-24 2018-04-19 주식회사 포스코 성형탄 제조 장치
CN105219951B (zh) * 2014-05-28 2018-03-30 宝山钢铁股份有限公司 一种高品位烧结矿的烧结方法
KR101620082B1 (ko) * 2014-11-13 2016-05-11 최병국 파ㆍ분쇄 기능이 있는 압착처리장치 및 이를 이용한 가연성 폐지의 가공방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06212291A (ja) * 1993-01-13 1994-08-02 Sumitomo Metal Ind Ltd 焼結鉱製造における焼結原料の前処理方法
KR20130034296A (ko) * 2011-09-28 2013-04-05 현대제철 주식회사 소결광의 제조방법
KR20130110591A (ko) * 2012-03-29 2013-10-10 현대제철 주식회사 브리켓 제조 장치 및 이를 이용한 브리켓 제조 방법
KR20150071388A (ko) * 2013-12-18 2015-06-26 주식회사 포스코 소결광 제조 방법
JP2016191122A (ja) * 2015-03-31 2016-11-10 新日鐵住金株式会社 焼結鉱の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3546603A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020084201A (ja) * 2018-11-15 2020-06-04 日本製鉄株式会社 焼結原料の成型物の製造方法
JP7087939B2 (ja) 2018-11-15 2022-06-21 日本製鉄株式会社 焼結原料の成型物の製造方法
JP2020164910A (ja) * 2019-03-29 2020-10-08 Ｊｆｅスチール株式会社 焼結鉱の製造方法

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