JP4958725B2 - 熱処理装置 - Google Patents
熱処理装置 Download PDFInfo
- Publication number
- JP4958725B2 JP4958725B2 JP2007273128A JP2007273128A JP4958725B2 JP 4958725 B2 JP4958725 B2 JP 4958725B2 JP 2007273128 A JP2007273128 A JP 2007273128A JP 2007273128 A JP2007273128 A JP 2007273128A JP 4958725 B2 JP4958725 B2 JP 4958725B2
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- Prior art keywords
- cooling
- heat treatment
- gas
- fan
- chamber
- Prior art date
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- 238000010438 heat treatment Methods 0.000 title claims description 64
- 238000001816 cooling Methods 0.000 claims description 70
- 239000000112 cooling gas Substances 0.000 claims description 55
- 238000010992 reflux Methods 0.000 claims description 55
- 239000007789 gas Substances 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000001965 increasing effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000000110 cooling liquid Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 229910000734 martensite Inorganic materials 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Description
23…吹出口
24…還流口
5…ファン
8…調節機構
Claims (6)
- 冷却用のガスを充填して熱処理対象物を冷却する熱処理装置であって、
充填された冷却ガスを吸引し吐出するファンと、
前記熱処理対象物が搬入される冷却室と、
前記冷却室に設けられ前記ファンが攪拌する冷却ガスを冷却室内部に吹出させる吹出口と、
前記冷却室内部に吹出した冷却ガスを前記ファンに向けて還流させる還流路上に設けられ開度を調節する調節機構が付帯した還流口と、
冷却ガスの温度を降下させる熱交換器とを具備し、
前記ファンの吐出口〜前記吹出口〜前記冷却室〜前記還流口〜ファンの吸引口のガス循環ルートを形成しており、
前記調節機構は、ガス冷却処理中に前記還流口の開口面積を前記吹出口の開口面積以下に絞ることができるものであり、
ガス冷却処理中に、前記還流口の開口面積を前記吹出口の開口面積以下に絞りながら前記ファンで冷却ガスを撹拌することにより、前記冷却室内に限定して冷却ガス圧力を増圧することを特徴とする熱処理装置。 - 前記調節機構は、前記還流口の開口面積を、前記吹出口の開口面積の200%から30%の範囲で調節できるものである請求項1記載の熱処理装置。
- 前記熱処理対象物を加熱するヒータをさらに具備し、
前記ファンの駆動源の出力を前記ヒータの加熱電力よりも大出力にできる請求項1または2記載の熱処理装置。 - 前記ファンの駆動源が熱機関である請求項1、2または3記載の熱処理装置。
- 前記冷却室内部または周囲にヒータ及び断熱材を配設しており前記冷却室が前記熱処理対象物の加熱室を兼ねる請求項1、2、3または4記載の熱処理装置。
- 前記冷却室の周囲に冷却液を流通させる冷却液ジャケットを付設している請求項1、2、3、4または5記載の熱処理装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007273128A JP4958725B2 (ja) | 2007-10-19 | 2007-10-19 | 熱処理装置 |
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Application Number | Priority Date | Filing Date | Title |
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JP2007273128A JP4958725B2 (ja) | 2007-10-19 | 2007-10-19 | 熱処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009102671A JP2009102671A (ja) | 2009-05-14 |
JP4958725B2 true JP4958725B2 (ja) | 2012-06-20 |
Family
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JP2007273128A Active JP4958725B2 (ja) | 2007-10-19 | 2007-10-19 | 熱処理装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4958725B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4916545B2 (ja) * | 2009-12-21 | 2012-04-11 | エジソンハード株式会社 | 熱処理装置 |
DE112016002361T5 (de) | 2015-05-26 | 2018-02-22 | Ihi Corporation | Wärmebehandlungsvorrichtung |
JP6604843B2 (ja) * | 2015-12-22 | 2019-11-13 | 小山鋼材株式会社 | 金型の冷却装置およびその方法 |
CN110000342B (zh) * | 2019-04-10 | 2023-10-31 | 唐山钢铁集团有限责任公司 | 一种轧辊冷型内壁降温装置 |
CN112981051B (zh) * | 2020-12-24 | 2024-03-29 | 无锡市博伟锻造有限公司 | 一种石油防井喷设备用锻制工件精加工前的热处理方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01134196A (ja) * | 1987-11-19 | 1989-05-26 | Shimadzu Corp | 熱処理炉 |
JP4173153B2 (ja) * | 2005-07-15 | 2008-10-29 | エジソンハード株式会社 | 熱処理炉 |
JP3861099B1 (ja) * | 2005-07-15 | 2006-12-20 | エジソンハード株式会社 | 熱処理炉 |
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2007
- 2007-10-19 JP JP2007273128A patent/JP4958725B2/ja active Active
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Publication number | Publication date |
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JP2009102671A (ja) | 2009-05-14 |
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