JP6956721B2 - 金属又は非金属品と熱伝達流体との間の熱伝達の方法 - Google Patents
金属又は非金属品と熱伝達流体との間の熱伝達の方法 Download PDFInfo
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- JP6956721B2 JP6956721B2 JP2018532574A JP2018532574A JP6956721B2 JP 6956721 B2 JP6956721 B2 JP 6956721B2 JP 2018532574 A JP2018532574 A JP 2018532574A JP 2018532574 A JP2018532574 A JP 2018532574A JP 6956721 B2 JP6956721 B2 JP 6956721B2
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- heat transfer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
- B22D11/1245—Accessories for subsequent treating or working cast stock in situ for cooling using specific cooling agents
-
- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
-
- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- 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
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Carbon And Carbon Compounds (AREA)
- Lubricants (AREA)
- Laminated Bodies (AREA)
- Soft Magnetic Materials (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Description
−ナノ粒子を含む熱伝達流体(いわゆるナノ流体)は、100nm未満の少なくとも1つの寸法を有する粒子を含有する液体懸濁液を意味し、
−層流は、約2300の臨界値未満のレイノルズ数を有する流動を意味し、
−乱流は、約4000の臨界値を超えるレイノルズ数を有する流動を意味し、
−パーコレーション閾値濃度は、それを超えるとナノ粒子が接続して長距離ネットワークを形成するナノ粒子の濃度である。熱伝達用途において、そのようなネットワークが、流体の最も熱い部分、すなわち熱が流動し始める部分、及び流体の最も冷たい部分、すなわち熱が排出される部分を接続することが適している。換言すれば、パーコレーション閾値濃度未満では、ナノ粒子は接続されない。パーコレーション閾値濃度が得られる場合、流体媒体より高い熱伝達係数を有するナノ粒子で形成されたネットワークにより、熱媒は、はるかに低い熱抵抗を有する経路をとり、したがって流体の熱伝導率、ひいては熱伝達係数を向上させることができ、
−vol.%は、体積パーセントを意味し、
−wt.%は、重量パーセントを意味し、
−グラファイトナノプレートレットは、約5〜20nmの間の厚さを有するグラフェンシートの多層系を意味し、
−数層グラフェンは、1〜5nmの間の厚さを有するグラフェンシートの多層系を意味し、
−グラフェンは、六角形配列の結合した炭素原子の単原子厚のシートを意味し、通常1nm未満の厚さを示す。
−連続鋳造機及び熱間圧延工程、例えばランアウトテーブル上での冷却工程の噴霧チャンバ内、
−ガス処理及びコークスの急冷のためのコークス炉内、
−溶鉱炉、塩基性酸素転炉及び電気アーク炉内でのスラグ急冷の間に実行され得る。
A.本発明によるナノ粒子の提供、
B.流体媒体の提供、
C.パーコレーションを達成するためのナノ粒子濃度の調節、
D.ナノ粒子と流体媒体との混合。
層流
2μm、7μm及び40μmの横方向サイズ、並びに10nmの厚さを有するナノグラファイト多層を水と混合することにより、試験対象1〜6を調製した。試験対象2には、分散剤としてのポリビニルピロリドンを添加し、一方試験対象4及び6には、分散剤としてのカラギーナンIOTAを添加した。
[実施例3]
水で構成される試験対象2、4、5及び試験対象10の冷却性能を、モデル化ソフトウェアにより計算した。この試験において、7854kg/m3の密度を有する鋼スラブを、13秒間層流で冷却した。長さは5メートルであり、幅は1メートルであり、スラブ厚は10mmであった。スラブの初期温度は968℃であった。
Claims (7)
- 金属又は非金属品と、流体媒体、35〜45μmの間の横方向サイズ、5〜15nmの間厚さ、及び4〜8wt.%の間の濃度を有する疎水性ナノ粒子及び分散剤を含む熱伝達流体との間の熱伝達の方法であって、重量でのナノ粒子濃度/分散剤濃度比は、4〜8の間であり、流体媒体が、水であり;ナノ粒子が、グラファイトナノプレートレットであり;分散剤が、ポリビニルピロリドンであり、熱伝達流体が、層流型である、方法。
- 金属である品が、アルミニウム、鋼、ステンレス鋼、銅、鉄、銅合金、チタン、コバルト、金属複合材又はニッケルで作製される、請求項1に記載の方法。
- 金属品が、熱交換器であり、熱伝達が、熱交換器の内部にある流体により実現される、請求項1又は2に記載の方法。
- 金属品が、金属基板であり、熱伝達が、熱伝達流体が金属基板に直接接触するような熱伝達である、請求項1〜3のいずれか一項に記載の方法。
- 金属基板と熱伝達流体との間の接触が、ジェット衝突冷却、プール沸騰、噴霧冷却又はマイクロチャネル冷却により実現される、請求項4に記載の方法。
- 層流型の熱伝達流体の製造のための方法であって、
A.35〜45μmの間の横方向サイズ、5〜15nmの間の厚さの疎水性ナノ粒子の提供と、
B.流体媒体の提供と、
C.分散剤の提供と、
D.パーコレーションを達成するためのナノ粒子濃度の調節と、
E.前記ナノ粒子と前記流体媒体との混合とを含み、
前記疎水性ナノ粒子が、グラファイトナノプレートレットであり、
前記分散剤が、ポリビニルピロリドンであり、
前記流体媒体が、水であり、
前記疎水性ナノ粒子の濃度は4〜8wt.%の間であり、
重量でのナノ粒子濃度/分散剤濃度比は、4〜8の間である、
方法。 - 請求項1〜5に記載の熱伝達方法において使用される、請求項1において規定される熱伝達流体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IBPCT/IB2015/002400 | 2015-12-22 | ||
PCT/IB2015/002400 WO2017109527A1 (en) | 2015-12-22 | 2015-12-22 | A method of heat transfer between a metallic or non-metallic item and a heat transfer fluid |
PCT/IB2016/001780 WO2017109559A1 (en) | 2015-12-22 | 2016-12-20 | A method of heat transfer between a metallic or non-metallic item and a heat transfer fluid |
Related Child Applications (1)
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JP2020101407A Division JP2020183531A (ja) | 2015-12-22 | 2020-06-11 | 金属又は非金属品と熱伝達流体との間の熱伝達の方法 |
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JP2019506474A JP2019506474A (ja) | 2019-03-07 |
JP6956721B2 true JP6956721B2 (ja) | 2021-11-02 |
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JP2018532574A Active JP6956721B2 (ja) | 2015-12-22 | 2016-12-20 | 金属又は非金属品と熱伝達流体との間の熱伝達の方法 |
JP2020101407A Withdrawn JP2020183531A (ja) | 2015-12-22 | 2020-06-11 | 金属又は非金属品と熱伝達流体との間の熱伝達の方法 |
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JP2020101407A Withdrawn JP2020183531A (ja) | 2015-12-22 | 2020-06-11 | 金属又は非金属品と熱伝達流体との間の熱伝達の方法 |
Country Status (14)
Country | Link |
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US (1) | US10815410B2 (ja) |
EP (1) | EP3394200B1 (ja) |
JP (2) | JP6956721B2 (ja) |
KR (1) | KR102166818B1 (ja) |
CN (1) | CN108473854B (ja) |
AU (1) | AU2016379002B2 (ja) |
BR (1) | BR112018012505A2 (ja) |
CA (1) | CA3008115C (ja) |
ES (1) | ES2873425T3 (ja) |
MX (1) | MX2018007742A (ja) |
RU (1) | RU2700053C1 (ja) |
UA (1) | UA123059C2 (ja) |
WO (2) | WO2017109527A1 (ja) |
ZA (1) | ZA201803759B (ja) |
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WO2017109525A1 (en) * | 2015-12-22 | 2017-06-29 | Arcelormittal | A method of a heat transfer of a non-metallic or metallic item |
WO2017109526A1 (en) * | 2015-12-22 | 2017-06-29 | Arcelormittal | A method of heat transfer of a non-metallic or metallic item |
WO2017109527A1 (en) * | 2015-12-22 | 2017-06-29 | Arcelormittal | A method of heat transfer between a metallic or non-metallic item and a heat transfer fluid |
WO2017109528A1 (en) * | 2015-12-22 | 2017-06-29 | Arcelormittal | A method of heat transfer between a metallic or non-metallic item and a heat transfer fluid |
KR102063035B1 (ko) * | 2018-08-31 | 2020-01-07 | 한국항공대학교산학협력단 | 가변열전도도 히트파이프 구조체, 그 제조 방법 및 그에 적용되는 작동유체 |
CN109482168B (zh) * | 2018-11-19 | 2020-05-22 | 华南理工大学 | 一种木质素碳/纳米二氧化钛复合光催化剂及其制备方法和应用 |
CN113185952B (zh) * | 2020-01-24 | 2022-05-13 | 纯钧新材料(深圳)有限公司 | 作为冷却剂的无机相变材料 |
CN112908956A (zh) * | 2021-01-29 | 2021-06-04 | 南京信息工程大学 | 一种金属氧化物/石墨烯复合流体及其制备方法与应用 |
CN115449352A (zh) * | 2022-09-20 | 2022-12-09 | 江阴市利伟轧辊印染机械有限公司 | 一种导热介质及一种热轧辊 |
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WO2003004944A2 (en) | 2001-01-30 | 2003-01-16 | Materials And Electrochemical Research (Mer) Corporation | Nano carbon materials for enhancing thermal transfer in fluids |
AU2002360005A1 (en) * | 2002-10-10 | 2004-05-04 | Iseya Manufacturing Co. | Method for heat conduction and system for heat exchange between solid and fluid |
US20070158610A1 (en) * | 2006-01-12 | 2007-07-12 | Haiping Hong | Carbon naoparticle-containing hydrophilic nanofluid |
JP2007238862A (ja) * | 2006-03-10 | 2007-09-20 | Denso Corp | 熱輸送媒体 |
TWI332527B (en) * | 2007-09-07 | 2010-11-01 | Ind Tech Res Inst | Polymeric quenchant, manufacture thereof, and method for quenching steel |
US9187684B2 (en) | 2009-03-20 | 2015-11-17 | University Of South Carolina | Nanofluids for thermal management systems |
DE102009029758A1 (de) | 2009-06-18 | 2010-12-23 | Sgl Carbon Se | Temperiermedium |
KR101187759B1 (ko) | 2009-11-27 | 2012-10-05 | 한국전력공사 | 자성 나노유체, 그 제조방법 및 사용방법 |
FR2953527B1 (fr) | 2009-12-03 | 2012-01-13 | Commissariat Energie Atomique | Dispersion colloidale d'oxyde d'alumine |
US20110220841A1 (en) | 2010-03-09 | 2011-09-15 | Massachusetts Institute Of Technology | Thermal and/or electrical conductivity control in suspensions |
CN102753664B (zh) | 2009-12-15 | 2014-08-06 | 麻省理工学院 | 包括石墨微流体的电导和/或热导悬浮液 |
US20130341028A1 (en) * | 2010-06-28 | 2013-12-26 | Baker Hughes Incorporated | Controllably tuning properties of a fluid using modified nanoparticles |
JP2013028792A (ja) | 2011-06-22 | 2013-02-07 | Denso Corp | 熱輸送流体及び熱輸送装置 |
US8834739B1 (en) * | 2011-10-19 | 2014-09-16 | The Boeing Company | Boron nitride nano-platelete based materials |
US20140312263A1 (en) | 2013-04-22 | 2014-10-23 | Uchicago Argonne, Llc | Advanced thermal properties of a suspension with graphene nano-platelets (gnps) and custom functionalized f-gnps |
WO2017109525A1 (en) * | 2015-12-22 | 2017-06-29 | Arcelormittal | A method of a heat transfer of a non-metallic or metallic item |
WO2017109526A1 (en) * | 2015-12-22 | 2017-06-29 | Arcelormittal | A method of heat transfer of a non-metallic or metallic item |
WO2017109527A1 (en) * | 2015-12-22 | 2017-06-29 | Arcelormittal | A method of heat transfer between a metallic or non-metallic item and a heat transfer fluid |
WO2017109528A1 (en) * | 2015-12-22 | 2017-06-29 | Arcelormittal | A method of heat transfer between a metallic or non-metallic item and a heat transfer fluid |
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Publication number | Publication date |
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KR102166818B1 (ko) | 2020-10-19 |
CA3008115C (en) | 2021-02-16 |
KR20180084986A (ko) | 2018-07-25 |
JP2020183531A (ja) | 2020-11-12 |
CN108473854A (zh) | 2018-08-31 |
US20190002750A1 (en) | 2019-01-03 |
ES2873425T3 (es) | 2021-11-03 |
AU2016379002A1 (en) | 2018-07-05 |
RU2700053C1 (ru) | 2019-09-12 |
UA123059C2 (uk) | 2021-02-10 |
EP3394200B1 (en) | 2021-03-10 |
EP3394200A1 (en) | 2018-10-31 |
MX2018007742A (es) | 2018-08-15 |
CA3008115A1 (en) | 2017-06-29 |
WO2017109527A1 (en) | 2017-06-29 |
BR112018012505A2 (pt) | 2018-12-11 |
CN108473854B (zh) | 2021-10-08 |
JP2019506474A (ja) | 2019-03-07 |
WO2017109559A1 (en) | 2017-06-29 |
ZA201803759B (en) | 2019-02-27 |
AU2016379002B2 (en) | 2020-01-30 |
US10815410B2 (en) | 2020-10-27 |
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