CN108955243B - 车底式隧道炉加热系统及其加热工艺 - Google Patents
车底式隧道炉加热系统及其加热工艺 Download PDFInfo
- Publication number
- CN108955243B CN108955243B CN201810531012.5A CN201810531012A CN108955243B CN 108955243 B CN108955243 B CN 108955243B CN 201810531012 A CN201810531012 A CN 201810531012A CN 108955243 B CN108955243 B CN 108955243B
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- vehicle
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- car
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 85
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 121
- 239000010959 steel Substances 0.000 claims abstract description 121
- 238000012546 transfer Methods 0.000 claims description 42
- 238000003825 pressing Methods 0.000 claims description 19
- 238000009628 steelmaking Methods 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 14
- 229910052742 iron Inorganic materials 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000004484 Briquette Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- 238000007599 discharging Methods 0.000 description 8
- 239000002893 slag Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000779 smoke Substances 0.000 description 7
- 238000003723 Smelting Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010835 comparative analysis Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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
- F27B9/14—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 tunnel furnace
- F27B9/26—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 tunnel furnace on or in trucks, sleds, or containers
- F27B9/262—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 tunnel furnace on or in trucks, sleds, or containers on or in trucks
-
- 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 peculiar to furnaces of these types
-
- 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 peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- 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 peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
- F27B2009/3607—Heaters located above the track of the charge
- F27B2009/3615—Burner in the ceiling directed vertically downwards
-
- 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
Abstract
Description
序号 | 项目 | 单位 | 指标 | 备注 |
1 | 转炉吨位 | 炉/t | 50 | |
2 | 铁水使用量 | 炉/t | 38 | |
3 | 废钢使用量 | 炉/t | 12 | |
4 | 废钢温度 | ℃ | 25 | 常温 |
5 | 废钢比例 | % | 24 | |
6 | 钢水出炉温度 | ℃ | 1600 | 按通常假设 |
7 | 钢水热焓 | MJ/t | 1372 | |
8 | 一炉钢水总热焓 | MJ/炉 | 68.62 | |
9 | 钢渣比例 | % | 15.00 | 查阅网络数据 |
10 | 钢渣热焓 | MJ/t | 2058 | |
11 | 一炉钢渣总热焓 | MJ/炉 | 15.44 | |
12 | 一炉钢渣+钢水总热焓 | MJ/炉 | 84.05 |
序号 | 项目 | 单位 | 指标 | 备注 |
1 | 转炉吨位 | 炉/t | 50 | |
2 | 铁水使用量 | 炉/t | 35.31 | |
3 | 废钢使用量 | 炉/t | 14.69 | |
4 | 废钢温度 | ℃ | 600 | |
5 | 废钢热焓 | MJ/t | 330 | |
6 | 废钢比例 | % | 29.38 | |
7 | 钢水出炉温度 | ℃ | 1600 | 按通常假设 |
8 | 钢水热焓 | MJ/t | 1372 | |
9 | 一炉钢水总热焓 | MJ/炉 | 68.62 | |
10 | 钢渣比例 | % | 13.94 | 假设全部产生于铁水冶炼 |
11 | 钢渣热焓 | MJ/t | 2058.00 | |
12 | 一炉钢渣总热焓 | MJ/炉 | 14.34 | |
13 | 一炉钢渣+钢水总热焓 | MJ/炉 | 82.96 | |
14 | 其中废钢带入热量 | MJ/炉 | 4.85 | |
15 | 铁水带入热焓 | MJ/炉 | 78.11 |
工艺 | 加热温度 | 加热周期所需时间 | 吨投资(万元) | 备注 |
背景技术工艺 | ≯500℃ | 6.5小时 | 15 | |
本发明工艺 | >1000℃ | 3小时 | 10 |
Claims (6)
Priority Applications (1)
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CN201810531012.5A CN108955243B (zh) | 2018-05-29 | 2018-05-29 | 车底式隧道炉加热系统及其加热工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810531012.5A CN108955243B (zh) | 2018-05-29 | 2018-05-29 | 车底式隧道炉加热系统及其加热工艺 |
Publications (2)
Publication Number | Publication Date |
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CN108955243A CN108955243A (zh) | 2018-12-07 |
CN108955243B true CN108955243B (zh) | 2023-10-24 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001071265A1 (en) * | 2000-03-22 | 2001-09-27 | Anglo American Corporation Of South Africa Limited | Heating solid material in two opposite streams |
CN2906510Y (zh) * | 2006-03-24 | 2007-05-30 | 李振洪 | 电弧炼钢炉水平连续加料废钢预热装置 |
KR20100007445U (ko) * | 2009-01-13 | 2010-07-22 | 곽영적 | 백탄 제조장치 |
CN202804411U (zh) * | 2012-10-15 | 2013-03-20 | 苏州群鑫电子有限公司 | 一种链式真空炉 |
CN203053212U (zh) * | 2012-12-21 | 2013-07-10 | 北京志能祥赢节能环保科技有限公司 | 一种富氧数字化脉冲燃烧台车加热炉 |
CN105039628A (zh) * | 2015-09-01 | 2015-11-11 | 中冶南方工程技术有限公司 | 全煤基自供热直接还原工艺及全煤基自供热直接还原竖炉 |
-
2018
- 2018-05-29 CN CN201810531012.5A patent/CN108955243B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001071265A1 (en) * | 2000-03-22 | 2001-09-27 | Anglo American Corporation Of South Africa Limited | Heating solid material in two opposite streams |
CN2906510Y (zh) * | 2006-03-24 | 2007-05-30 | 李振洪 | 电弧炼钢炉水平连续加料废钢预热装置 |
KR20100007445U (ko) * | 2009-01-13 | 2010-07-22 | 곽영적 | 백탄 제조장치 |
CN202804411U (zh) * | 2012-10-15 | 2013-03-20 | 苏州群鑫电子有限公司 | 一种链式真空炉 |
CN203053212U (zh) * | 2012-12-21 | 2013-07-10 | 北京志能祥赢节能环保科技有限公司 | 一种富氧数字化脉冲燃烧台车加热炉 |
CN105039628A (zh) * | 2015-09-01 | 2015-11-11 | 中冶南方工程技术有限公司 | 全煤基自供热直接还原工艺及全煤基自供热直接还原竖炉 |
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Inventor after: Wang Xiangyu Inventor after: Wang Shouping Inventor after: Liu Rongxing Inventor after: Xiao Xiangpu Inventor after: Gao Bowen Inventor after: Wang Lixin Inventor after: Wang Chuanjie Inventor before: Wang Shouping Inventor before: Wang Xiangyu Inventor before: Liu Rongxing Inventor before: Xiao Xiangpu Inventor before: Gao Bowen Inventor before: Wang Lixin Inventor before: Wang Chuanjie |