RU2684465C2 - Система рециркуляции восстановительного газа для печи непрерывного отжига без травления и способ её применения - Google Patents
Система рециркуляции восстановительного газа для печи непрерывного отжига без травления и способ её применения Download PDFInfo
- Publication number
- RU2684465C2 RU2684465C2 RU2016151999A RU2016151999A RU2684465C2 RU 2684465 C2 RU2684465 C2 RU 2684465C2 RU 2016151999 A RU2016151999 A RU 2016151999A RU 2016151999 A RU2016151999 A RU 2016151999A RU 2684465 C2 RU2684465 C2 RU 2684465C2
- Authority
- RU
- Russia
- Prior art keywords
- gas
- reducing gas
- section
- pipe
- strip steel
- Prior art date
Links
- 230000001603 reducing effect Effects 0.000 title claims abstract description 124
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000000137 annealing Methods 0.000 title claims abstract description 23
- 238000004064 recycling Methods 0.000 title abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 238000002156 mixing Methods 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 239000002274 desiccant Substances 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 41
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 238000000746 purification Methods 0.000 claims description 25
- 238000010583 slow cooling Methods 0.000 claims description 23
- 238000005530 etching Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000005272 metallurgy Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 164
- 239000001257 hydrogen Substances 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 7
- 235000013980 iron oxide Nutrition 0.000 description 6
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000003134 recirculating effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Images
Classifications
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
-
- 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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- 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
- C21D1/26—Methods of annealing
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
-
- 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
-
- 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
- F27B9/3005—Details, accessories or equipment specially adapted for furnaces of these types arrangements for circulating gases
-
- 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
- F27B9/40—Arrangements of controlling or monitoring devices
-
- 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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/20—Arrangements for treatment or cleaning of waste gases
-
- 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
- F27D7/00—Forming, maintaining or circulating atmospheres in heating chambers
- F27D7/04—Circulating atmospheres by mechanical means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Drying Of Gases (AREA)
- Treating Waste Gases (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240695.0A CN105132666A (zh) | 2014-05-30 | 2014-05-30 | 免酸洗连续退火炉还原气体循环再生利用系统及其利用方法 |
| CNCN201410240695.0 | 2014-05-30 | ||
| PCT/CN2015/070984 WO2015180501A1 (zh) | 2014-05-30 | 2015-01-19 | 免酸洗连续退火炉还原气体循环再生利用系统及其利用方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2016151999A RU2016151999A (ru) | 2018-07-03 |
| RU2016151999A3 RU2016151999A3 (enExample) | 2018-10-26 |
| RU2684465C2 true RU2684465C2 (ru) | 2019-04-09 |
Family
ID=54698042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2016151999A RU2684465C2 (ru) | 2014-05-30 | 2015-01-19 | Система рециркуляции восстановительного газа для печи непрерывного отжига без травления и способ её применения |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6538088B2 (enExample) |
| KR (1) | KR20170009903A (enExample) |
| CN (1) | CN105132666A (enExample) |
| RU (1) | RU2684465C2 (enExample) |
| WO (1) | WO2015180501A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2818203C1 (ru) * | 2021-01-20 | 2024-04-25 | ВИСДРИ ИНЖИНИРИНГ энд РИСЕРЧ ИНКОРПОРЕЙШН ЛИМИТЕД | Система подачи защитных газов в печь для отжига холодного проката |
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| CN106018317A (zh) * | 2016-05-30 | 2016-10-12 | 中国石油集团东北炼化工程有限公司吉林设计院 | 一种用于监测气体组分含量的系统及方法 |
| CN107099651A (zh) * | 2017-05-16 | 2017-08-29 | 浙江久立特材科技股份有限公司 | 一种全氢保护气辊底炉氢气流量控制的方法及系统 |
| CN107299216B (zh) * | 2017-06-21 | 2021-05-14 | 华北理工大学 | 一种轧钢加热炉 |
| CN107557563A (zh) * | 2017-08-30 | 2018-01-09 | 天津市宇润德金属制品有限公司 | 高节能还原炉 |
| CN107964643A (zh) * | 2017-12-27 | 2018-04-27 | 安德里茨（中国）有限公司 | 热轧带钢连续热镀锌设备及方法 |
| CN108151544A (zh) * | 2018-01-17 | 2018-06-12 | 广东中鹏热能科技有限公司 | 一种逆流式冷却系统的节能辊道窑 |
| CN108180764A (zh) * | 2018-01-22 | 2018-06-19 | 卢爱玲 | 一种陶瓷窑炉叠温式增氧抽热系统 |
| CN108588374A (zh) * | 2018-02-06 | 2018-09-28 | 冷水江天宝实业有限公司 | 一种连续热处理炉及其密封装置与方法 |
| CN108507343B (zh) * | 2018-03-30 | 2020-07-17 | 楚天科技股份有限公司 | 一种烘干机整机系统内的风压平衡控制方法及装置 |
| CN110172565B (zh) * | 2018-06-28 | 2021-02-09 | 镕凝精工新材料科技(上海)有限公司 | 一种罩式退火炉余热回收利用系统 |
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| CN110595221B (zh) * | 2019-10-08 | 2024-12-31 | 江苏维麦气体科技有限公司 | 一种镀锌连续退火炉尾气回收处理循环利用装置及其处理工艺 |
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| CN111926171B (zh) * | 2020-08-31 | 2022-04-29 | 武汉钢铁有限公司 | 冷轧无取向硅钢薄带连续退火冷却控制方法 |
| CN112609059A (zh) * | 2020-12-10 | 2021-04-06 | 浙江海亮股份有限公司 | 链式退火炉及管材传送控制方法 |
| CN112725597B (zh) * | 2020-12-21 | 2021-10-08 | 燕山大学 | 一种用于退火炉氮气重复利用的装置及方法 |
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| CN116144916A (zh) * | 2023-01-08 | 2023-05-23 | 首钢京唐钢铁联合有限责任公司 | 一种退火炉稳定焦炉煤气热值的控制方法、介质及设备 |
| CN116793098B (zh) * | 2023-08-29 | 2023-10-20 | 山西华茂智能新材料有限公司 | 一种球墨铸管退火工艺缓冷段的余热回收利用方法 |
| EP4667592A1 (de) * | 2024-06-17 | 2025-12-24 | ThyssenKrupp Steel Europe AG | Verfahren zum wärmebehandeln von stahlprodukten auf formgebungshitze |
| CN118773431B (zh) * | 2024-06-24 | 2025-11-14 | 马鞍山钢铁有限公司 | 一种用于立式退火炉内极限薄宽板生产方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU996837A1 (ru) * | 1981-03-18 | 1983-02-15 | Сибирский Филиал Научно-Производственного Объединения По Техническому Обслуживанию И Энергетическому Оборудованию Предприятий Химической Промышленности | Установка дл рециркул ции дымовых газов |
| US4582301A (en) * | 1983-03-01 | 1986-04-15 | Wuenning Joachim | Pass-through furnace for heat recovery in the heat treatment of aggregates of metallic articles or parts |
| RU2127324C1 (ru) * | 1997-11-18 | 1999-03-10 | Открытое акционерное общество "Ювэнергочермет" | Способ утилизации защитного газа при термообработке металла в отделении колпаковых печей |
| WO2000012233A1 (en) * | 1998-08-31 | 2000-03-09 | Danieli Technology, Inc. | Method for continuous removal of oxides from metal |
| CN201386116Y (zh) * | 2009-03-25 | 2010-01-20 | 耿凯 | 连续式退火炉中高速行走钢板的预热系统 |
| RU2386712C1 (ru) * | 2008-08-05 | 2010-04-20 | Открытое акционерное общество "Уралэлектромедь" | Способ утилизации тепла отходящих газов медерафинировочной печи |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62177126A (ja) * | 1986-01-31 | 1987-08-04 | Nisshin Steel Co Ltd | 鋼帯の連続焼鈍方法 |
| JPH1180831A (ja) * | 1997-09-10 | 1999-03-26 | Nisshin Steel Co Ltd | 還元雰囲気炉通板材の着色防止方法および装置 |
| WO2000003815A1 (en) * | 1998-07-14 | 2000-01-27 | Ut-Battelle, Llc | Continuous reduction of mill scale on hot rolled strip steel |
| US6622778B1 (en) * | 2000-07-12 | 2003-09-23 | Danieli Technology, Inc. | Method for the direct production of scale-free thin metal strip |
| JP3820950B2 (ja) * | 2001-10-03 | 2006-09-13 | 大同特殊鋼株式会社 | 雰囲気熱処理炉とそのシーズニング方法 |
| CN101294239B (zh) * | 2007-04-24 | 2010-09-08 | 宝山钢铁股份有限公司 | 一种退火炉保护气氛回收利用方法 |
| DE102008005259B4 (de) * | 2008-01-18 | 2011-12-08 | Carl Kramer | Verfahren zur Energieeinsparung bei Wärmebehandlungsanlagen mit durch Heizteil und Kühlteil bewegtem Gut |
| CN102653815A (zh) * | 2012-05-30 | 2012-09-05 | 苏州苏净保护气氛有限公司 | 镜面板退火炉保护气回收循环利用装置 |
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2014
- 2014-05-30 CN CN201410240695.0A patent/CN105132666A/zh active Pending
-
2015
- 2015-01-19 WO PCT/CN2015/070984 patent/WO2015180501A1/zh not_active Ceased
- 2015-01-19 RU RU2016151999A patent/RU2684465C2/ru active
- 2015-01-19 JP JP2016570339A patent/JP6538088B2/ja active Active
- 2015-01-19 KR KR1020167034952A patent/KR20170009903A/ko not_active Ceased
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| SU996837A1 (ru) * | 1981-03-18 | 1983-02-15 | Сибирский Филиал Научно-Производственного Объединения По Техническому Обслуживанию И Энергетическому Оборудованию Предприятий Химической Промышленности | Установка дл рециркул ции дымовых газов |
| US4582301A (en) * | 1983-03-01 | 1986-04-15 | Wuenning Joachim | Pass-through furnace for heat recovery in the heat treatment of aggregates of metallic articles or parts |
| RU2127324C1 (ru) * | 1997-11-18 | 1999-03-10 | Открытое акционерное общество "Ювэнергочермет" | Способ утилизации защитного газа при термообработке металла в отделении колпаковых печей |
| WO2000012233A1 (en) * | 1998-08-31 | 2000-03-09 | Danieli Technology, Inc. | Method for continuous removal of oxides from metal |
| RU2386712C1 (ru) * | 2008-08-05 | 2010-04-20 | Открытое акционерное общество "Уралэлектромедь" | Способ утилизации тепла отходящих газов медерафинировочной печи |
| CN201386116Y (zh) * | 2009-03-25 | 2010-01-20 | 耿凯 | 连续式退火炉中高速行走钢板的预热系统 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2818203C1 (ru) * | 2021-01-20 | 2024-04-25 | ВИСДРИ ИНЖИНИРИНГ энд РИСЕРЧ ИНКОРПОРЕЙШН ЛИМИТЕД | Система подачи защитных газов в печь для отжига холодного проката |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2016151999A (ru) | 2018-07-03 |
| JP2017524807A (ja) | 2017-08-31 |
| CN105132666A (zh) | 2015-12-09 |
| JP6538088B2 (ja) | 2019-07-03 |
| KR20170009903A (ko) | 2017-01-25 |
| RU2016151999A3 (enExample) | 2018-10-26 |
| WO2015180501A1 (zh) | 2015-12-03 |
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