KR20100135716A - Metallic briquette manufacturing method - Google Patents

Metallic briquette manufacturing method Download PDF

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KR20100135716A
KR20100135716A KR20107017451A KR20107017451A KR20100135716A KR 20100135716 A KR20100135716 A KR 20100135716A KR 20107017451 A KR20107017451 A KR 20107017451A KR 20107017451 A KR20107017451 A KR 20107017451A KR 20100135716 A KR20100135716 A KR 20100135716A
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briquette
metal
sheet
dividing
aluminum
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하루미츠 아사노
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신토고교 가부시키가이샤
가부시끼가이샤 알닛세이
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Publication of KR20100135716A publication Critical patent/KR20100135716A/en

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/005Preliminary treatment of scrap
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0064Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
    • B08B7/0071Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/08Accessory tools, e.g. knives; Mountings therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B9/00Presses specially adapted for particular purposes
    • B30B9/32Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars
    • B30B9/327Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for briquetting scrap metal
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24Binding; Briquetting ; Granulating
    • C22B1/248Binding; Briquetting ; Granulating of metal scrap or alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00Obtaining aluminium
    • C22B21/0038Obtaining aluminium by other processes
    • C22B21/0069Obtaining aluminium by other processes from scrap, skimmings or any secondary source aluminium, e.g. recovery of alloy constituents
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working 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
    • C22B7/001Dry processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working 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
    • C22B7/005Separation by a physical processing technique only, e.g. by mechanical breaking
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/20Waste processing or separation

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

회수한 스틸캔 및/또는 알루미늄캔을 열처리하여 불순물을 제거하는 공정과, 그것을 분쇄하여 입자 형상 금속재료로 하는 공정과, 이 입자 형상 금속재료를 브리켓 머신에 의하여 다수의 브리켓이 연결부분을 거쳐 염주 형상으로 연결된 시트 형상의 브리켓 시트로 압축 성형하는 공정과, 얻어진 브리켓 시트를 연결부분에서 분단하여 개개의 금속 브리켓으로 하는 공정을 포함하는 금속 브리켓의 제조방법을 제공한다.Heat-treating the recovered steel can and / or aluminum can to remove impurities, grinding it to form a granular metal material, and a plurality of briquettes are connected to a briquette machine by a briquette machine to form a beads. Provided are a method for producing a metal briquette comprising a step of compression molding into a sheet-like briquette sheet connected to each other, and a step of dividing the obtained briquette sheet at a connecting portion to form individual metal briquettes.

Description

금속 브리켓의 제조방법{METALLIC BRIQUETTE MANUFACTURING METHOD}Manufacturing Method of Metal Briquette {METALLIC BRIQUETTE MANUFACTURING METHOD}

본 발명은, 예를 들면 재활용 등에 의하여 회수한 스틸캔이나 알루미늄캔으로부터, 재이용하기 쉬운 형상을 가지는 브리켓 형상의 금속재료를 효율적으로 제조할 수 있는 금속 브리켓의 제조방법에 관한 것이다. This invention relates to the manufacturing method of the metal briquette which can efficiently manufacture the briquette-shaped metal material which has the shape which is easy to reuse from the steel can or aluminum can which was collect | recovered by recycling etc., for example.

종래부터, 특허문헌 1이나 특허문헌 2에 나타내는 바와 같이, 재활용 등에 의해 회수한 스틸캔이나 알루미늄캔으로부터, 취급성이 우수한 형상인 금속 브리켓을 제조하고, 이것을 제강소나 주조소에서 탈산제 등으로서 이용하는 것이 널리 행하여지고 있다. Conventionally, as shown in Patent Literature 1 and Patent Literature 2, metal briquettes having a shape excellent in handling properties are manufactured from steel cans and aluminum cans recovered by recycling and the like, and are widely used as deoxidizers in steel mills and foundries. It is done.

또, 금속 브리켓의 제조방법으로서는, 복수개 나란히 늘어선 오목 형상의 금형 내에 입자 형상화한 알루미늄 부스러기 등을 투입 및 프레스하여 소정 형상의 금속 브리켓으로 압축 성형하고, 그 후, 금형으로부터 금속 브리켓을 인출한다는 방법이 보통이다. Moreover, as a manufacturing method of a metal briquette, the method of inserting and pressing particle shaped aluminum shavings etc. in the concave metal mold | line of several lines arranged side by side, and compression-molding it into the metal briquette of predetermined shape, and then taking out a metal briquette from a metal mold | die is average.

그러나, 종래의 프레스 성형방법에서는 성형 속도가 느려 생산성이 뒤떨어진다는 문제점이 있고, 또, 성형 속도를 올리면 브리켓의 충분한 강도를 확보할 수 없어 취급성이 나빠진다는 문제점이 있었다. However, in the conventional press molding method, there is a problem in that the molding speed is low and the productivity is inferior. In addition, if the molding speed is increased, sufficient strength of the briquette cannot be secured, resulting in poor handling.

[특허문헌 1][Patent Document 1]

일본국 특개평7-118765호 공보Japanese Patent Application Laid-Open No. 7-118765

[특허문헌 2][Patent Document 2]

일본국 특개2005-82811호 공보Japanese Patent Application Laid-Open No. 2005-82811

본 발명은 상기와 같은 문제점을 해결하여, 생산성이 우수한 데다가 브리켓의 충분한 강도를 확보할 수 있고, 또한, 저비용으로 취급성도 우수한 금속 브리켓을 효율적으로 제조할 수 있는 금속 브리켓의 제조방법을 제공하는 것을 목적으로 하고 있다. The present invention is to solve the above problems, to provide a method for producing a metal briquette that can ensure a high productivity, secure a sufficient strength of the briquette, and can efficiently produce a metal briquette with excellent handleability at a low cost It is aimed.

상기 과제를 해결하기 위하여 이루어진 본 발명의 금속 브리켓의 제조방법은, 회수한 스틸캔 및/또는 알루미늄캔을 열처리하여 불순물을 제거하는 공정과, 그것을 분쇄하여 입자 형상 금속재료로 하는 공정과, 이 입자 형상 금속재료를 브리켓 머신에 의해 다수의 브리켓이 연결부분을 거쳐 염주 형상으로 연결된 시트 형상의 브리켓 시트로 압축 성형하는 공정과, 얻어진 브리켓 시트를 상기한 연결부분에서 분단하여 개개의 금속 브리켓으로 하는 공정을 포함하는 것이다. 이 방법은 생산성이 우수하고, 또 브리켓의 충분한 강도를 확보할 수 있다. The manufacturing method of the metal briquette of this invention made | formed in order to solve the said subject, The process of heat-removing a collect | recovered steel can and / or an aluminum can, removes an impurity, The process of grind | pulverizing it to a granular metal material, and this granular form A process of compressing and molding a metal material into a sheet-like briquette sheet in which a plurality of briquettes are connected in a beads shape by a briquette machine, and a process of dividing the obtained briquette sheet in the above-described connecting portion into individual metal briquettes. It is to include. This method is excellent in productivity and can secure sufficient strength of the briquettes.

또한, 브리켓 시트를 연결부분에서 개개의 금속 브리켓으로 분단하는 공정에서는, 복수의 쐐기형 형상의 분단 날이 바깥 둘레면에 등간격으로 돌출 설치된 1쌍의 원주 형상의 커터롤을 서로 역회전시켜, 상기 커터롤의 회전에 따라 상기 분단 날의 선단을 서로 접근 및 이격시킴으로써 커팅을 행하는 것이 바람직하다. 이 분단방법은, 생산성을 높이는 데에 있어서도 바람직하고, 또, 다수의 브리켓이 연결부분을 거쳐 염주 형상으로 연결된 시트 형상의 브리켓 시트로부터 브리켓 본체의 주위에 브리켓 시트의 연결부분의 커팅에 의해 생긴 버르(burr)부가 남겨지도록 분단하는 것이 용이해져, 충분한 강도를 가지는 브리켓을 대량이고 또한 고속으로 성형할 수 있다. Further, in the step of dividing the briquette sheet into individual metal briquettes at the connecting portion, a pair of circumferential cutter rolls provided with a plurality of wedge-shaped dividing blades protruding at equal intervals on the outer circumferential surface reversely rotate each other, It is preferable to perform cutting by approaching and spaced apart the leading ends of the dividing blades with the rotation of the cutter roll. This dividing method is also preferable for increasing productivity, and a burr formed by cutting the connecting portion of the briquette sheet around the briquette body from a sheet-like briquette sheet in which a plurality of briquettes are connected in a beads shape through the connecting portion. It becomes easy to divide so that a burr part remains, and the briquette which has sufficient strength can be shape | molded in large quantity and high speed.

또, 브리켓 시트는, 브리켓 본체의 주위, 특히 양쪽 끝에 브리켓 시트의 연결부분의 커팅에 의해 생긴 버르부가 남겨지도록 분단하는 것이 바람직하다. 이렇게 함으로써, 낭비를 없앨 수 있다. Moreover, it is preferable to divide | segment a briquette sheet | seat so that the burring | molding part created by cutting of the connection part of a briquette sheet | seat may be left around the briquette main body, especially both ends. By doing this, waste can be eliminated.

또한, 버르부는, 길이가 1∼5 mm 인 것이 이용성에서도 바람직하다. 이와 같은 분단에 의하여 전혀 낭비가 생기지 않고 우수한 성형성 및 핸들링성을 발휘하는 금속 브리켓을 얻을 수 있다. Moreover, it is preferable also in usability that a burr part is 1-5 mm in length. By such division, a metal briquette can be obtained that does not waste at all and exhibits excellent moldability and handling properties.

또, 회수한 스틸캔과 알루미늄캔은 얻어지는 금속 브리켓의 용도에 따라 각 별하게 처리하여도 양자가 소요의 비율인 것이 바람직하다. 예를 들면, 제강소나 주조소에서 탈산제 등으로 하는 경우이면, 입자 형상 금속재료로서, 성분이 질량%로 알루미늄 : 스틸 = 60 : 40의 비율로, 알루미늄 리치인 것이 바람직하다. 이것은, 알루미늄이 적어지면 탈산효과가 작아지기 때문이며, 더욱 바람직하게는 질량%로 알루미늄 : 스틸 = 70 : 30 이상으로 알루미늄 리치로 한다. 또, 고로(高爐)에 의하여 탈산효과가 변하기 때문에, 질량%로 알루미늄 : 스틸 = 90 : 10 이상으로 알루미늄 리치로 하면, 안정된 탈산효과를 확보할 수 있기 때문에 더욱 바람직하다.Moreover, it is preferable that both the recovered steel cans and aluminum cans are required ratios even if they are separately treated depending on the use of the obtained metal briquettes. For example, in the case of using a deoxidizer or the like in a steel mill or a foundry, as a particulate metal material, the component is preferably aluminum rich in a ratio of aluminum: steel = 60: 40 by mass%. This is because the deoxidation effect becomes smaller when aluminum is reduced, More preferably, the aluminum rich is made into aluminum: steel = 70: 30 or more in mass%. In addition, since the deoxidation effect is changed by the blast furnace, it is more preferable to make the aluminum rich at a mass% of aluminum: steel = 90: 10 or more because a stable deoxidation effect can be secured.

도 1은 본 발명의 제조공정을 나타내는 플로우도,
도 2A는 브리켓 시트를 나타내는 정면도,
도 2B는 도 2A의 브리켓의 측면도,
도 3은 브리켓 시트의 커팅 공정을 나타내는 정면도이다.
1 is a flow chart showing a manufacturing process of the present invention,
2A is a front view showing a briquette sheet,
Figure 2B is a side view of the briquette of Figure 2A,
3 is a front view illustrating a cutting process of a briquette sheet.

이하에, 도면을 참조하면서 본 발명의 바람직한 실시형태를 나타낸다. EMBODIMENT OF THE INVENTION Below, preferred embodiment of this invention is shown, referring drawings.

도 1은, 본 발명의 제조공정을 나타내는 플로우도이다. 이하, 이 플로우도에 따라, 본 발명을 더욱 상세하게 설명한다. 1 is a flow chart showing a manufacturing process of the present invention. Hereinafter, the present invention will be described in more detail with reference to this flowchart.

소원료(素原料)가 되는 스틸캔이나 알루미늄캔은, 예를 들면, 재활용 등에 의해 회수되는 것을 이용하고(도 1의 공정 21), 이것을 필요에 따라 세정하여 사용한다. 또한, 회수되는 금속캔의 본체가 스틸이고 덮개가 알루미늄으로 이루어지는 캔에서는, 분리한 상태로 회수하는 것이 바람직하고, 또, 스틸합금이나 알루미늄합금으로 이루어지는 캔이어도 되는 것은 물론이다.Steel cans and aluminum cans serving as small raw materials are, for example, those that are recovered by recycling or the like (step 21 in FIG. 1), which are washed and used as necessary. Moreover, it is preferable to collect | recover in the state isolate | separated from the can which the main body of the metal can recovered is steel, and a cover is made from aluminum, and can also be a can which consists of a steel alloy and an aluminum alloy.

이어서, 회수한 스틸캔 및/또는 알루미늄캔을 열처리하여 불순물을 제거한다(도 1의 공정 22). 캔의 표면에는, 인쇄 도료나 보호 코팅재 등의 불순물이 존재하고 있기 때문에, 이것을 제거하여 실질적으로 불순물이 없는 스틸캔 또는 알루미늄캔으로 하기 위함이며, 예를 들면, 열처리는 로터리킬른 등의 가열장치 내에서 약 400∼500℃의 가열조건 하에서 휘저어 행하면 된다. Subsequently, the recovered steel can and / or aluminum can is heat-treated to remove impurities (step 22 of FIG. 1). Impurities such as printing paints and protective coatings exist on the surface of the can, so that this can be removed to form a steel or aluminum can that is substantially free of impurities. For example, the heat treatment is performed in a heating apparatus such as a rotary kiln. What is necessary is just to stir under the heating conditions of about 400-500 degreeC.

이어서, 로터리킬른으로부터 인출된 열처리가 끝난 실질적으로 불순물이 없는 스틸캔 및/또는 알루미늄캔을, 일반적인 파쇄기(shredder)나 조립기(造粒機)에 의해 작게 분쇄하여, 소정 치수 이하의 입자 조각으로 이루어지는 입자 형상 금속재료로 형성한다(도 1의 공정 23). 구체적으로는, 브리켓의 성형에 적합하도록 3∼12 mm 정도의 입자 형상물로 하는 것이 바람직하다. Subsequently, the steel can and / or the aluminum can, which have been subjected to the heat treatment drawn out from the rotary kiln, are substantially free of pulverized particles by using a general shredder or granulator, and are formed of particles having a predetermined size or less. It is formed of a shape metal material (step 23 in Fig. 1). Specifically, it is preferable to use a particulate matter of about 3 to 12 mm so as to be suitable for molding briquettes.

이어서, 상기한 공정에서 얻어진 입자 형상 금속재료를, 예를 들면 도 2A 및 도 2B에 나타내는 바와 같은, 다수의 금속 브리켓(1)이 연결부분(2)을 거쳐 염주 형상으로 연결한 시트 형상의 브리켓 시트(3)로 압축 성형한다(도 1의 공정 24). 이와 같이 일단 시트 형상의 브리켓 시트(3)로 압축 성형함으로써, 개개의 브리켓으로 성형하는 경우에 비하여 성형 속도를 올릴 수 있고, 또한, 브리켓의 충분한 강도도 확보할 수 있다는 효과를 가지는 것이다.Subsequently, the sheet-shaped briquette, in which, for example, a plurality of metal briquettes 1 are connected to each other in the form of beads through the connecting portion 2, as shown in FIGS. 2A and 2B, respectively. Compression molding is performed on the sheet 3 (step 24 in FIG. 1). In this way, by compression molding into the sheet-like briquette sheet 3, the molding speed can be increased as compared with the case of molding into individual briquettes, and the briquettes can be sufficiently secured.

이어서, 얻어진 브리켓 시트(3)의 연결부분(2)을, 분단 날(11a, 12a)에 의해 커팅하여 금속 브리켓(1)으로 한다(도 1의 공정 25, 26). 또한, 분단기로서는, 예를 들면 도 3에 나타내는 바와 같이, 서로 역회전하는 1쌍의 원주 형상의 커터롤(11, 12) 상에, 쐐기 형상을 이룸과 동시에 선단이 상호 접근·이격하도록 복수개의 분단 날(11a, 12a)이 바깥 둘레면에 등간격을 두고 돌출 설치된 분단기를 사용한다. 이들 분단 날(11a, 12a)의 선단은, 브리켓 시트(3)를 절단할 때, 교대로 충분히 근접하도록 되어 있고, 브리켓 시트(3)는 브리켓 본체끼리의 연결부분(2)에서 분단 날(11a, 12a)에 의해 커팅되어, 금속 브리켓(1)이 제조되게 된다. 이와 같은 분단기를 사용함으로써 다수의 금속 브리켓(1)이 연결부분(2)을 거쳐 염주 형상으로 연결한 시트 형상의 브리켓 시트(3)로부터 브리켓 본체의 양쪽 끝에 브리켓 시트의 연결부분의 커팅에 의해 생긴 버르부가 남겨지도록 효율적으로 분단하는 것이 가능해진다. Next, the connection part 2 of the obtained briquette sheet 3 is cut | disconnected by the cutting edges 11a and 12a, and it is set as the metal briquette 1 (process 25, 26 of FIG. 1). In addition, as a dividing machine, as shown in FIG. 3, on a pair of cylindrical cutter rolls 11 and 12 which reversely rotate mutually, a plurality of wedge shapes are formed and a plurality of ends are approached and spaced apart. The dividing blades 11a and 12a are provided at equal intervals on the outer circumferential surface to use a dividing protruder. The tip ends of these dividing blades 11a and 12a alternately sufficiently close when cutting the briquette sheet 3, and the briquette sheet 3 divides the edge 11a at the connecting portion 2 between the briquette bodies. 12a), the metal briquette 1 is manufactured. By using such a divider, a plurality of metal briquettes 1 are formed by cutting the connecting portion of the briquette sheet at both ends of the briquette body from a sheet-like briquette sheet 3 connected in a beads shape through the connecting portion 2. It becomes possible to divide efficiently so that a bur part remains.

이와 같이, 금속 브리켓(1)은, 브리켓 머신(도시 생략)에 의해 압축 성형되는 것으로, 브리켓 본체(1a)와, 이들 브리켓 본체 끼리의 연결부분(2)의 커팅에 의해 생긴 버르부(1b)로 이루어지는 것이 바람직하고, 이 경우, 상기 버르부(1b)는, 길이가 1∼5 mm 인 것이 바람직하다. 그 이유는 버르부의 길이가 1 mm 미만에서는, 브리켓 시트(3)에서 인접하는 브리켓 본체(1a, 1a) 끼리가 지나치게 근접하여 브리켓의 제조가 어렵게 되고, 또, 충분한 강도의 확보도 곤란해지며, 한편, 5 mm 보다 길면 브리켓 시트(3)의 핸들링이 어렵게 됨과 동시에, 버르부(1b)가 길어 이용가치가 떨어지기 때문이다.Thus, the metal briquette 1 is compression-molded by a briquette machine (not shown), The burr part 1b produced by cutting the briquette main body 1a and the connection part 2 between these briquette main bodies. In this case, the burr portion 1b preferably has a length of 1 to 5 mm. The reason for this is that when the burr length is less than 1 mm, the briquette bodies 1a and 1a adjacent to the briquette sheet 3 are too close to each other, making briquettes difficult, and securing sufficient strength also becomes difficult. On the other hand, if it is longer than 5 mm, the handling of the briquette sheet 3 becomes difficult, and at the same time, the burr portion 1b is long and the use value is lowered.

이상의 설명에서도 분명한 바와 같이, 본 발명에 의한 금속 브리켓의 제조방법은, 생산성이 우수하고, 또, 브리켓의 충분한 강도를 확보할 수 있으며, 저비용으로 취급성도 우수한 금속 브리켓을 효율적으로 제조할 수 있다.As is evident from the above description, the method for producing a metal briquette according to the present invention is excellent in productivity, can secure sufficient strength of the briquette, and can efficiently produce a metal briquette with excellent handleability at low cost.

Claims (4)

금속 브리켓을 제조하는 방법에 있어서, 해당 방법이,
회수한 스틸캔 및/또는 알루미늄캔을 열처리하여 불순물을 제거하는 공정과,
상기 스틸캔 및/또는 알루미늄캔을 분쇄하여 입자 형상 금속재료로 하는 공정과,
상기 금속 입자 형상 재료를 브리켓 머신에 의하여, 다수의 브리켓이 연결부분을 거쳐 연결된 시트 형상의 브리켓 시트로 압축 성형하는 공정과,
상기 브리켓 시트를 상기 연결부분에서 분단하여 개개의 브리켓으로 하는 분단공정을 포함하는, 금속 브리켓의 제조방법.
In the method for producing a metal briquette, the method,
Heat-treating the recovered steel can and / or aluminum can to remove impurities;
Grinding the steel can and / or aluminum can to form a granular metal material;
Compression molding the metal particulate material into a sheet-like briquette sheet connected by a plurality of briquettes through a connecting portion by a briquette machine;
And a dividing step of dividing the briquette sheet at the connecting portion to form individual briquettes.
제 1항에 있어서,
상기 분단공정은, 복수의 쐐기형 형상의 분단 날이 바깥 둘레면에 등간격으로 돌출 설치된 1쌍의 원주 형상의 커터롤을 서로 역회전시켜, 상기 커터롤의 회전에 따라 상기 분단 날의 선단을 상호 접근 및 이격시킴으로써 커팅을 행하는 금속 브리켓의 제조방법.
The method of claim 1,
In the dividing step, a plurality of wedge-shaped dividing blades are rotated against each other by rotating a pair of circumferential cutter rolls protruding at equal intervals on the outer circumferential surface, and the tip of the dividing blades is rotated according to the rotation of the cutter rolls. A method for producing a metal briquette, which is cut by mutual access and separation.
제 1항 또는 제 2항에 있어서,
상기 분단공정은, 브리켓 시트를, 브리켓 본체의 양쪽 끝에 브리켓 시트의 연결부분의 커팅에 의해 생긴 버르부가 남겨지도록 분단하는 금속 브리켓의 제조방법.
3. The method according to claim 1 or 2,
The said dividing process is a manufacturing method of the metal briquette which divides a briquette sheet so that the bur part created by cutting of the connection part of a briquette sheet | seat is left in both ends of a briquette main body.
제 3항에 있어서,
상기 버르부의 길이가 1∼5 mm 인 금속 브리켓의 제조방법.
The method of claim 3,
A method for producing a metal briquette having a burr length of 1 to 5 mm.
KR20107017451A 2008-02-07 2009-02-04 Metallic briquette manufacturing method KR20100135716A (en)

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