KR100906191B1 - 하스롤러식 연속침탄 열처리로(爐) - Google Patents
하스롤러식 연속침탄 열처리로(爐) Download PDFInfo
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- KR100906191B1 KR100906191B1 KR1020070033039A KR20070033039A KR100906191B1 KR 100906191 B1 KR100906191 B1 KR 100906191B1 KR 1020070033039 A KR1020070033039 A KR 1020070033039A KR 20070033039 A KR20070033039 A KR 20070033039A KR 100906191 B1 KR100906191 B1 KR 100906191B1
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- chamber
- furnace
- heat treatment
- atmosphere
- carburizing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
- F27B9/029—Multicellular type furnaces constructed with add-on modules
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
- F27B9/045—Furnaces with controlled atmosphere
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor
- F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
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- 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
- F27D3/02—Skids or tracks for heavy objects
- F27D3/026—Skids or tracks for heavy objects transport or conveyor rolls for furnaces; roller rails
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
- F27B2009/122—Preheating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Tunnel Furnaces (AREA)
Abstract
Description
Claims (7)
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- 하스롤러식 연속침탄 열처리로를 구성함에 있어서,로 내부의 내화 단열재는 브릭(brick)을 사용하며, 처리물(100)을 이송하기위한 하스롤러(60)를 구성하며, 로내 상부에는 로내온도 및 로내 분위기를 균일하게 하는 순환팬(16)과, 분위기가스를 배출하기 위한 분위기가스배출구(17)를 구성한 열처리할 처리물(100)을 예열하는 예열실(10)과, 침탄실(21)과 확산실(22)로 연통하는 두 개의 존(zone)으로 구성하고, 내부 온도를 가열하는 전열히터(24)와, 처리물(100)을 이송하기위한 하스롤러(60)와, 로내온도 및 로내 분위기를 균일하게 하기 위하여 분위기가스를 강제 대류 시키기 위한 순환팬(26)과, 잔류 오스테나이트 량을 최소화하고 침탄깊이를 제어하기 위하여 O₂의 분압에 의한 기전력의 원리로 공급되는 분위기가스 중 O₂의 기전력차이를 측정하여 로 내 분위기를 측정 조절하는 O₂센서(70)를 구성한 예열된 처리물(100)을 침탄과 확산시키기 위한 열처리실(20)과, 열처리실(20)과 소입 2실(40)사이에 설치되어 열처리실(20)과는 제2파티션도아(25)로 구획되고 소입2실(40)과는 제3파티션도아(35)로 구획되어서 독립된 챔버를 구성하고, 강온상태를 유지하기위한 전열히터(34)와, 처리물(100)을 이송하기위한 하스롤러(60)와, 로내온도 및 로내 분위기를 균일하게 하기 위하여 로내 분위기를 강제 대류 시키기 위한 순환팬(36)과, 잔류 오스테나이트 량을 최소화하고 침탄깊이를 크게 하기 위하여 O₂의 분압에 의한 기전력의 원리로 공급되는 분위기가스 중 O₂의 기전력차이를 측정하여 로 내 분위기를 측정 조절하는 O₂센서(70)를 설치한 열처리실(20)에서 침탄된 처리물(100)을 소입경화처리 하기 위한 소입1실(30)과, 외기(外氣)로 부터 로내분위기를 보호하기 위한 소입2실(40)을 구성하여 이들을 각각 내부에 실리카보드(silica board)와 브릭(brick)으로 시공하고 외부의 구동장치에 의하여 가이드앵글을 따라 동작하도록 구성하고, 그 하부에 커텐버너(Curtain burner)를 설치하여 외기를 차단 하도록 구성한 입구문(11)과 내열주물 강재로 시공되어 커넥팅 링크를 구성한 제1,제2,제3파티션도아(15)(25)(35)와 내부에 실리카보드(silica board)와 브릭(brick)으로 시공하고 외부의 구동장치에 의하여 가이드앵글을 따라 동작하도록 구성하고, 그 하부에 커텐버너(Curtain burner)를 설치하여 외기를 차단하도록 구성한 출구문(41)으로 구획하여 4개의 챔버(Chamber)로 구성하여서 극미량의 텅스텐을 첨가한 내열주물강을 원심 주조한 튜브내부에 내화성 단열재를 충진하고 그 양 단부에 샤프트를 부착하여 로체 외부에서 베어링으로 지지하여 기어드모터(Geared motor)와 인버터에 의해 구동되고 포토센서에 의하여 위치제어가 되도록 구성한 하스롤러(Hearth roller)(60)를 각 처리물의 위치마다 각각 독립된 구동모터(65)에 의하여 정역 방향으로 개별구동하도록 이루어짐을 특징으로 하는 하스롤러 연속침탄 열처리로(爐).
Priority Applications (1)
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KR1020070033039A KR100906191B1 (ko) | 2007-04-04 | 2007-04-04 | 하스롤러식 연속침탄 열처리로(爐) |
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KR1020070033039A KR100906191B1 (ko) | 2007-04-04 | 2007-04-04 | 하스롤러식 연속침탄 열처리로(爐) |
Publications (2)
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KR20080090058A KR20080090058A (ko) | 2008-10-08 |
KR100906191B1 true KR100906191B1 (ko) | 2009-07-03 |
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KR1020070033039A Active KR100906191B1 (ko) | 2007-04-04 | 2007-04-04 | 하스롤러식 연속침탄 열처리로(爐) |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6286209B2 (ja) * | 2014-01-09 | 2018-02-28 | アサヒマカム株式会社 | 伸縮性経編地 |
KR101660862B1 (ko) * | 2016-01-21 | 2016-09-29 | (주)상도티디에스 | 연속식 열처리 장치 |
KR102177048B1 (ko) | 2018-12-19 | 2020-11-10 | 주식회사 포스코 | 이차전지 양극재 제조용 소성로 및 이차전지 양극재의 소성 방법 |
CN117126988B (zh) * | 2023-09-04 | 2024-02-23 | 朝阳希望铸业有限公司 | 智能控温的高铬铸件的热处理设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6124981A (ja) * | 1984-07-13 | 1986-02-03 | 中外炉工業株式会社 | ロ−ラハ−ス型連続ガス浸炭炉 |
JP2003073745A (ja) * | 2001-08-31 | 2003-03-12 | Kawasaki Steel Corp | ステンレス鋼板の焼鈍炉用ハースロール |
KR20040077940A (ko) * | 2002-02-12 | 2004-09-07 | 도와 고교 가부시키가이샤 | 열처리로 |
KR200373998Y1 (ko) | 2004-10-21 | 2005-01-21 | 동우열처리공업 주식회사 | 복수개의 가열로를 일체로 구성한 가스침탄 열처리로(爐) |
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2007
- 2007-04-04 KR KR1020070033039A patent/KR100906191B1/ko active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6124981A (ja) * | 1984-07-13 | 1986-02-03 | 中外炉工業株式会社 | ロ−ラハ−ス型連続ガス浸炭炉 |
JP2003073745A (ja) * | 2001-08-31 | 2003-03-12 | Kawasaki Steel Corp | ステンレス鋼板の焼鈍炉用ハースロール |
KR20040077940A (ko) * | 2002-02-12 | 2004-09-07 | 도와 고교 가부시키가이샤 | 열처리로 |
KR200373998Y1 (ko) | 2004-10-21 | 2005-01-21 | 동우열처리공업 주식회사 | 복수개의 가열로를 일체로 구성한 가스침탄 열처리로(爐) |
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KR20080090058A (ko) | 2008-10-08 |
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