KR100991642B1 - 회전 노상 노 - Google Patents
회전 노상 노 Download PDFInfo
- Publication number
- KR100991642B1 KR100991642B1 KR1020107013868A KR20107013868A KR100991642B1 KR 100991642 B1 KR100991642 B1 KR 100991642B1 KR 1020107013868 A KR1020107013868 A KR 1020107013868A KR 20107013868 A KR20107013868 A KR 20107013868A KR 100991642 B1 KR100991642 B1 KR 100991642B1
- Authority
- KR
- South Korea
- Prior art keywords
- refractory
- hearth
- rotary hearth
- thermal expansion
- circumferential side
- Prior art date
Links
- 239000011819 refractory material Substances 0.000 claims abstract description 33
- 239000011810 insulating material Substances 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims description 68
- 238000005266 casting Methods 0.000 abstract 4
- 239000000463 material Substances 0.000 description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 239000008188 pellet Substances 0.000 description 14
- 239000011449 brick Substances 0.000 description 7
- 238000009413 insulation Methods 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910000514 dolomite Inorganic materials 0.000 description 4
- 239000010459 dolomite Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 235000013980 iron oxide Nutrition 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
- F27B9/32—Casings
- F27B9/34—Arrangements of linings
-
- 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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
-
- 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
- F27B9/16—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 circular or arcuate path
-
- 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
- F27B9/16—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 circular or arcuate path
- F27B9/18—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 circular or arcuate path under the action of scrapers or pushers
-
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
-
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/14—Supports for linings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Tunnel Furnaces (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
X+A<√(A2+B2) … (1)
X=([X0=] 외주측 코너 내화물의 지지 금물의 외단부와 내주측 코너 내화물의 지지 금물의 내단부의 조업 온도에서의 거리) - ([X1=] 복수개의 내화물 및 양쪽 코너 내화물의 반경방향의 상온에 있어서의 길이의 합) … (2)
Description
도 2는 도 1의 외주측 코너 내화물 근방을 확대해서 도시하는 부분 확대 단면도,
도 3은 표면 재료가 팽창했을 때의 상태를 도시하는 도 2에 대응하는 도면,
도 4는 식 (3)의 근거를 설명하기 위한 내주측 코너 내화물의 모식적 부분 평면도,
도 5는 종래의 회전 노상 노를 도시한 개략도,
도 6은 종래의 회전 노상 노에 있어서의 노상을 도시하는 부분 평면도,
도 7은 종래의 회전 노상 노를 개략적으로 도시하는 부분 단면도.
3 : 내주벽 4 : 노체 프레임
5 : 노상 단열재 6 : 내화물
7 : 외주측 코너 내화물 8 : 내주측 코너 내화물
9 : 표면 재료 10 : 회전 노상
11 : 외주측 지지 금물 12 : 내주측 지지 금물
13 : 하부 단열 구조
Claims (1)
- 외주벽과 내주벽 사이에 배치된 회전 노상(rotary hearth)이 원환상의 노체 프레임과, 이 노체 프레임상에 배설된 노상 단열재와, 이 노상 단열재상에 배설된 복수개의 내화물과, 상기 회전 노상의 외주부에 지지 금물을 거쳐서 배설된 외주측 코너 내화물과, 상기 회전 노상의 내주부에 지지 금물을 거쳐서 배설된 내주측 코너 내화물을 갖는 회전 노상 노에 있어서,
상기 내주측 코너 내화물이 둘레방향으로 복수개로 분할되는 동시에, 이들 분할된 내주측 코너 내화물 사이에 둘레방향 열팽창대(Y)가 설정되고, 이 둘레방향 열팽창대(Y)가 다음 식 (5)에서 정의되는 동시에, 분할된 상기 내주측 코너 내화물 1개의 내주 길이(L1)와 외주 길이(L2)는 다음 식 (3)을 만족하는
회전 노상 노.
L2>L1+2y … (3)
(단, y=Y/n이며, n은 분할된 내주측 코너 내화물의 개수이다.)
Y=(내주측 코너 내화물의 조업 온도에서의 지지 금물과의 접촉면측의 길이[의 합]) - (분할된 각 내주측 코너 내화물의 실온에서의 지지 금물과의 접촉면측의 길이의 합) … (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005296746 | 2005-10-11 | ||
JPJP-P-2005-296746 | 2005-10-11 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087008573A Division KR101064085B1 (ko) | 2005-10-11 | 2006-10-10 | 회전 노상 노 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100082384A KR20100082384A (ko) | 2010-07-16 |
KR100991642B1 true KR100991642B1 (ko) | 2010-11-04 |
Family
ID=37942748
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020107013868A KR100991642B1 (ko) | 2005-10-11 | 2006-10-10 | 회전 노상 노 |
KR1020087008573A KR101064085B1 (ko) | 2005-10-11 | 2006-10-10 | 회전 노상 노 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087008573A KR101064085B1 (ko) | 2005-10-11 | 2006-10-10 | 회전 노상 노 |
Country Status (12)
Country | Link |
---|---|
US (1) | US7922484B2 (ko) |
EP (2) | EP2161524B1 (ko) |
JP (1) | JP4866195B2 (ko) |
KR (2) | KR100991642B1 (ko) |
CN (2) | CN101253378B (ko) |
AT (1) | ATE452322T1 (ko) |
AU (1) | AU2006300385B2 (ko) |
CA (2) | CA2692322C (ko) |
DE (1) | DE602006011193D1 (ko) |
NZ (2) | NZ588492A (ko) |
RU (1) | RU2379608C1 (ko) |
WO (1) | WO2007043512A1 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT510326B1 (de) * | 2010-09-08 | 2012-08-15 | Siemens Vai Metals Tech Gmbh | Maschine zur thermischen behandlung von feststoffen |
WO2014167916A1 (ja) * | 2013-04-12 | 2014-10-16 | 中外炉工業株式会社 | 回転炉床炉 |
CN104819646B (zh) * | 2015-05-12 | 2017-09-22 | 奉化科创科技服务有限公司 | 环冷机送料系统及其在线检修方法 |
CN105021032A (zh) * | 2015-07-21 | 2015-11-04 | 石家庄新华能源环保科技股份有限公司 | 一种环形转底炉 |
CN107161631A (zh) * | 2017-07-01 | 2017-09-15 | 泰富重工制造有限公司 | 一种环形输送机 |
JP7120135B2 (ja) * | 2019-04-12 | 2022-08-17 | 株式会社デンソー | ダクト |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB447114A (en) * | 1934-10-12 | 1936-05-12 | Gavin Smellie Mclay | Improvements in or relating to rotating hearth furnaces |
US2074662A (en) * | 1934-10-12 | 1937-03-23 | Wellman Seaver Rolling Mill Co | Rotating hearth furnace |
US4083752A (en) * | 1976-11-10 | 1978-04-11 | Monsanto Company | Rotary retort |
US4578031A (en) * | 1984-11-09 | 1986-03-25 | Midland-Ross Corporation | Dimensionally stable movable furnace hearth |
CN2035451U (zh) * | 1988-08-04 | 1989-04-05 | 李华 | 台车炉真空室式隔热装置 |
IT1309150B1 (it) * | 1999-06-09 | 2002-01-16 | Demag Italimpianti Spa | Forno a suola rotante con struttura alleggerita |
JP2001181720A (ja) | 1999-12-28 | 2001-07-03 | Kobe Steel Ltd | 回転炉床炉による還元鉄製造方法 |
JP2001324274A (ja) * | 2000-05-17 | 2001-11-22 | Sanyo Special Steel Co Ltd | 鋼材ビレットの回転炉床式加熱炉 |
JP3553873B2 (ja) * | 2000-12-07 | 2004-08-11 | 株式会社神戸製鋼所 | 還元金属製造用回転式炉床炉及び還元金属の製造方法 |
JP4337271B2 (ja) * | 2001-04-06 | 2009-09-30 | 大同特殊鋼株式会社 | 回転炉床炉の炉床構造 |
JP4337272B2 (ja) * | 2001-04-06 | 2009-09-30 | 大同特殊鋼株式会社 | 回転炉床炉の炉床構造 |
JP2002350065A (ja) * | 2001-05-25 | 2002-12-04 | Daido Steel Co Ltd | 回転炉床炉の炉床構造 |
JP2004003729A (ja) | 2002-05-31 | 2004-01-08 | Nippon Steel Corp | 回転炉床式加熱炉の炉殻構造 |
US8163230B2 (en) * | 2008-08-29 | 2012-04-24 | Global Research and Engineering, LLC | Rotary hearth furnace for treating metal oxide materials |
-
2006
- 2006-10-02 JP JP2006270919A patent/JP4866195B2/ja active Active
- 2006-10-10 NZ NZ588492A patent/NZ588492A/en not_active IP Right Cessation
- 2006-10-10 CA CA2692322A patent/CA2692322C/en not_active Expired - Fee Related
- 2006-10-10 AT AT06811489T patent/ATE452322T1/de not_active IP Right Cessation
- 2006-10-10 DE DE602006011193T patent/DE602006011193D1/de active Active
- 2006-10-10 KR KR1020107013868A patent/KR100991642B1/ko not_active IP Right Cessation
- 2006-10-10 NZ NZ566210A patent/NZ566210A/en not_active IP Right Cessation
- 2006-10-10 CN CN2006800313141A patent/CN101253378B/zh not_active Expired - Fee Related
- 2006-10-10 AU AU2006300385A patent/AU2006300385B2/en not_active Ceased
- 2006-10-10 CA CA2620303A patent/CA2620303C/en not_active Expired - Fee Related
- 2006-10-10 US US12/067,422 patent/US7922484B2/en not_active Expired - Fee Related
- 2006-10-10 EP EP09015521A patent/EP2161524B1/en not_active Not-in-force
- 2006-10-10 EP EP06811489A patent/EP1939565B1/en not_active Not-in-force
- 2006-10-10 CN CN2009101511130A patent/CN101701767B/zh not_active Expired - Fee Related
- 2006-10-10 KR KR1020087008573A patent/KR101064085B1/ko active IP Right Grant
- 2006-10-10 RU RU2008118335/02A patent/RU2379608C1/ru not_active IP Right Cessation
- 2006-10-10 WO PCT/JP2006/320176 patent/WO2007043512A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR20080060238A (ko) | 2008-07-01 |
WO2007043512A1 (ja) | 2007-04-19 |
NZ566210A (en) | 2011-01-28 |
CA2620303C (en) | 2011-02-01 |
EP2161524A1 (en) | 2010-03-10 |
CA2692322A1 (en) | 2007-04-19 |
CN101253378B (zh) | 2010-05-26 |
KR20100082384A (ko) | 2010-07-16 |
CN101253378A (zh) | 2008-08-27 |
US7922484B2 (en) | 2011-04-12 |
JP4866195B2 (ja) | 2012-02-01 |
EP1939565B1 (en) | 2009-12-16 |
EP2161524B1 (en) | 2013-01-09 |
KR101064085B1 (ko) | 2011-09-08 |
US20090136887A1 (en) | 2009-05-28 |
JP2007132650A (ja) | 2007-05-31 |
CA2692322C (en) | 2011-08-09 |
EP1939565A4 (en) | 2008-12-31 |
CN101701767A (zh) | 2010-05-05 |
AU2006300385A1 (en) | 2007-04-19 |
RU2008118335A (ru) | 2009-11-20 |
NZ588492A (en) | 2011-03-31 |
AU2006300385B2 (en) | 2011-07-21 |
RU2379608C1 (ru) | 2010-01-20 |
CA2620303A1 (en) | 2007-04-19 |
ATE452322T1 (de) | 2010-01-15 |
DE602006011193D1 (de) | 2010-01-28 |
CN101701767B (zh) | 2012-05-23 |
EP1939565A1 (en) | 2008-07-02 |
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