CN100443598C - 一种高强度重型钢轨头部的热处理系统 - Google Patents
一种高强度重型钢轨头部的热处理系统 Download PDFInfo
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- CN100443598C CN100443598C CNB2007100515012A CN200710051501A CN100443598C CN 100443598 C CN100443598 C CN 100443598C CN B2007100515012 A CNB2007100515012 A CN B2007100515012A CN 200710051501 A CN200710051501 A CN 200710051501A CN 100443598 C CN100443598 C CN 100443598C
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- heat treatment
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- air
- air dryer
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 239000007921 spray Substances 0.000 claims abstract description 10
- 230000006698 induction Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims 6
- 239000010959 steel Substances 0.000 claims 6
- 230000008676 import Effects 0.000 claims 2
- 238000009826 distribution Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 16
- 239000002826 coolant Substances 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 229910001562 pearlite Inorganic materials 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 229910001563 bainite Inorganic materials 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
Description
冷却方法 | 喷水冷却 | 喷气冷却 |
加热温度 | 920±10℃ | 920±10℃ |
回火温度 | 610±10℃ | 610±10℃ |
淬火后硬度 | HB301~370 | HB301~370 |
淬火后组织 | 珠光体+少量马氏体或贝氏体 | 珠光体+少量铁素体 |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100515012A CN100443598C (zh) | 2007-02-08 | 2007-02-08 | 一种高强度重型钢轨头部的热处理系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007100515012A CN100443598C (zh) | 2007-02-08 | 2007-02-08 | 一种高强度重型钢轨头部的热处理系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101016579A CN101016579A (zh) | 2007-08-15 |
CN100443598C true CN100443598C (zh) | 2008-12-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2007100515012A Expired - Fee Related CN100443598C (zh) | 2007-02-08 | 2007-02-08 | 一种高强度重型钢轨头部的热处理系统 |
Country Status (1)
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CN (1) | CN100443598C (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102108435B (zh) * | 2009-12-25 | 2013-01-02 | 江苏金源锻造股份有限公司 | 大型锻件加热自动冷却方法及设备 |
CN102086620B (zh) * | 2010-03-19 | 2013-01-16 | 呼和浩特铁路局焊轨段 | 钢轨焊缝双频正火工艺 |
CN102086619B (zh) * | 2010-03-19 | 2013-05-01 | 呼和浩特铁路局焊轨段 | 钢轨焊缝双频正火设备及正火工艺 |
CN103131826A (zh) * | 2013-02-26 | 2013-06-05 | 内蒙古包钢钢联股份有限公司 | 一种钢轨在线喷风淬火热处理模拟实验装置 |
CN103498027A (zh) * | 2013-05-08 | 2014-01-08 | 内蒙古科技大学 | 一种空气强冷淬火实验装置 |
CN103614534B (zh) * | 2013-10-17 | 2015-09-02 | 中铁宝桥集团有限公司 | 钢轨淬火机床专用控风喷风装置及控风喷风方法 |
CN104946865B (zh) * | 2015-06-29 | 2017-03-29 | 武汉科技大学 | 一种用于重轨轨端的风冷淬火装置 |
CN113755670B (zh) * | 2021-08-24 | 2022-10-25 | 中铁宝桥集团有限公司 | 贝氏体钢辙叉心轨淬火冷却方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4938460A (en) * | 1987-03-19 | 1990-07-03 | Chemetron-Railway Products, Inc. | Apparatus for air quenching railway heads |
US4950338A (en) * | 1988-03-24 | 1990-08-21 | Bethlehem Steel Corporation | Method for the controlled cooling of hot rolled steel samples |
CN2144128Y (zh) * | 1992-11-26 | 1993-10-20 | 冶金工业部重庆钢铁设计研究院 | 钢轨热处理用喷风冷却装置 |
CN1178250A (zh) * | 1996-09-29 | 1998-04-08 | 攀枝花钢铁(集团)公司 | 利用轧制余热生产高强度钢轨的热处理方法及其装置 |
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2007
- 2007-02-08 CN CNB2007100515012A patent/CN100443598C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4938460A (en) * | 1987-03-19 | 1990-07-03 | Chemetron-Railway Products, Inc. | Apparatus for air quenching railway heads |
US4950338A (en) * | 1988-03-24 | 1990-08-21 | Bethlehem Steel Corporation | Method for the controlled cooling of hot rolled steel samples |
CN2144128Y (zh) * | 1992-11-26 | 1993-10-20 | 冶金工业部重庆钢铁设计研究院 | 钢轨热处理用喷风冷却装置 |
CN1178250A (zh) * | 1996-09-29 | 1998-04-08 | 攀枝花钢铁(集团)公司 | 利用轧制余热生产高强度钢轨的热处理方法及其装置 |
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CN101016579A (zh) | 2007-08-15 |
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Owner name: WUHAN IRON AND STEEL GROUP CORP.; APPLICANT Free format text: FORMER OWNER: WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY; APPLICANT Effective date: 20071026 |
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Effective date of registration: 20071026 Address after: 430080 Qingshan District, Hubei, Wuhan Applicant after: Wuhan Iron & Steel (Group) Corp. Co-applicant after: Wuhan University of Science and Technology Address before: 430081 construction of Qingshan District, Hubei, Wuhan Applicant before: Wuhan University of Science and Technology Co-applicant before: Heavy Steel Rolling Factory, Wuhan Steel Co., Ltd. |
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