KR102166822B1 - 비금속성 또는 금속성 물품의 열전달 방법 - Google Patents
비금속성 또는 금속성 물품의 열전달 방법 Download PDFInfo
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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
- B22D11/1245—Accessories for subsequent treating or working cast stock in situ for cooling using specific cooling agents
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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
-
- 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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- 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
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- 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
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- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
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Abstract
Description
도 2 는 본 발명에 따른 다층 나노플레이트렛들의 실시예를 도시한다.
도 3 은 본 발명에 따른 구형 나노입자의 실시예를 도시한다.
도 4 는 본 발명에 따른 타원형 나노입자의 실시예를 도시한다.
| 시험 | 유체 | 두께/측방향 크기 비 | 나노입자 농도 (중량%) |
분산제 (중량%) |
CnanoP / Cdisp 비 | 열전달 향상 (%) |
| 1* | 물 및 그래파이트 나노플레이트렛 | 0.00025 | 5 | - | - | 203 |
| 2* | 물 및 그래파이트 나노플레이트렛 | 0.00025 | 7 | 1 | 7 | -53 |
| 3* | 물 및 그래파이트 나노플레이트렛 | 0.00025 | 7 | 1 | 7 | 286 |
| 시험 | 냉각 속도 (℃/s) |
| 1* | 36.8 |
| 2* | 12.8 |
| 3* | 46.9 |
| 4 | 21.4 |
Claims (26)
- 비금속성 또는 금속성 물품의 열처리 방법으로서,
A. 유체 매체 및 나노입자들을 포함하는 열전달 유체 A' 과 상기 물품 사이의 열전달의 적어도 하나의 단계 A) 로서, 상기 열전달 유체 A' 은 물의 열전달 계수 초과의 열전달 계수를 갖는, 상기 열전달의 적어도 하나의 단계 A), 및
B. 유체 매체 및 나노입자들을 포함하는 열전달 유체 B' 과 상기 물품 사이의 열전달의 적어도 하나의 단계 B) 로서, 상기 열전달 유체 B' 은, 상기 열전달 유체 A' 의 상기 열전달 계수와 상이하며 또한 물의 열전달 계수 초과인 열전달 계수를 갖는, 상기 열전달의 적어도 하나의 단계 B)
를 포함하고,
상기 열전달 유체 A' 과 상기 열전달 유체 B' 은 상이한, 열처리 방법. - 제 1 항에 있어서,
상기 방법은 유체 매체 및 나노입자들을 포함하는 열전달 유체 C' 과 상기 물품 사이의 열전달의 적어도 하나의 단계 C) 를 더 포함하고,
상기 열전달 유체 C' 은 물의 열전달 계수 미만의 열전달 계수를 갖는, 열처리 방법. - 제 2 항에 있어서,
상기 방법은 유체 매체 및 나노입자들을 포함하는 열전달 유체 D' 과 상기 물품 사이의 열전달의 적어도 하나의 단계 D) 를 더 포함하고,
상기 열전달 유체 D' 은, 상기 열전달 유체 C' 의 열전달 계수와 상이하며 또한 물의 열전달 계수 미만인 열전달 계수를 갖는, 열처리 방법. - 제 1 항에 있어서,
상기 열전달 유체는 그래파이트 나노플레이트렛들, 그래핀, 몇 층의 그래핀, TiO2, ZnO2, ZnO, 붕소-질화물, 구리, 실리카, 몬모릴로나이트, 제올라이트 클립노틸로라이트, 규회석, 운모, 제올라이트 4A, Al2O3, 규산염, 경석, 산화칼슘, 탄소 나노튜브, 또는 이들의 임의의 혼합물 중에서 선택된 나노입자들을 포함하는, 열처리 방법. - 제 1 항에 있어서,
상기 나노입자들은 탄소 나노튜브를 포함하지 않는, 열처리 방법. - 제 1 항에 있어서,
상기 나노입자들은 다층 나노플레이트렛들인, 열처리 방법. - 제 1 항에 있어서,
상기 나노입자들의 두께가 1 내지 99.99 ㎚, 또는 5 내지 50 ㎚, 또는 5 내지 15 ㎚ 인, 열처리 방법. - 제 1 항에 있어서,
상기 나노입자들의 측방향 크기가 26 내지 50 ㎛, 또는 35 내지 45 ㎛ 인, 열처리 방법. - 제 8 항에 있어서,
나노입자들 농도가 0.01 내지 12 중량%, 또는 2 내지 8 중량%, 또는 4 내지 7 중량% 인, 열처리 방법. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 열전달 유체는 분산제를 더 포함하는, 열처리 방법. - 제 10 항에 있어서,
상기 분산제는 비표면 활성 중합체, 계면활성제 또는 이들의 혼합물인, 열처리 방법. - 제 11 항에 있어서,
상기 계면활성제는 양이온, 음이온, 양성 또는 비이온성 계면활성제인, 열처리 방법. - 제 12 항에 있어서,
상기 분산제는 폴리비닐피롤리돈, 다당류, 술페이트 다당류, 직쇄 알킬벤젠 술폰산염, 리그닌 술폰산염, 디-알킬 술포숙신산염, 4 급 암모늄 화합물, 스테아르산 나트륨 또는 이들의 혼합물에서 선택되는, 열처리 방법. - 제 10 항에 있어서,
나노입자들 농도/분산제 농도 비는 중량으로 3 ~ 18 인, 열처리 방법. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 유체 매체는 물, 에틸렌 글리콜, 에탄올, 오일, 메탄올, 실리콘, 프로필렌 글리콜, 알킬화 방향족, 액체 Ga, 액체 In, 액체 Sn, 포름산칼륨 및 이들의 임의의 혼합물로부터 선택되는, 열처리 방법. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 열전달 유체는 층류 또는 난류 영역 유동인, 열처리 방법. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
금속성인 상기 물품은, 알루미늄, 강, 스테인리스 강, 구리, 철, 구리 합금, 티타늄, 코발트, 금속 복합재 또는 니켈로 제조되는, 열처리 방법. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 금속성 물품은 금속성 기재이고, 상기 열전달은 상기 열전달 유체가 상기 금속성 기재와 직접 접촉하게 하는 것인, 열처리 방법. - 제 18 항에 있어서,
상기 금속성 기재와 상기 열전달 유체 사이의 접촉은 제트 충돌 냉각, 풀 비등 (pool boiling), 스프레이 냉각 또는 마이크로 채널 냉각에 의해 실현되는, 열처리 방법. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
비금속성 또는 금속성 물품의 열처리는 적어도 하나의 가열 단계를 더 포함하는, 열처리 방법. - 제 20 항에 있어서,
상기 하나의 가열 단계는 0 내지 1200 ℃ 의 온도에서 수행되는, 열처리 방법. - 삭제
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| IBPCT/IB2015/002393 | 2015-12-22 | ||
| PCT/IB2015/002393 WO2017109525A1 (en) | 2015-12-22 | 2015-12-22 | A method of a heat transfer of a non-metallic or metallic item |
| PCT/IB2016/001785 WO2017109561A1 (en) | 2015-12-22 | 2016-12-20 | A method of a heat transfer of a non-metallic or metallic item |
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| 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 |
| WO2017109526A1 (en) * | 2015-12-22 | 2017-06-29 | Arcelormittal | A method of heat transfer of a non-metallic or metallic item |
| KR102530672B1 (ko) | 2018-07-20 | 2023-05-08 | 엘지디스플레이 주식회사 | 스트레쳐블 표시 장치 |
| KR102481464B1 (ko) | 2018-12-20 | 2022-12-23 | 주식회사 엘지에너지솔루션 | 방열 유체 조성물 및 이를 포함하는 전지 모듈 |
| CN111592862B (zh) * | 2020-05-15 | 2022-03-11 | 武汉理工大学 | 蒙脱石纳米片/水纳米流体及其制备方法 |
| RU2742643C1 (ru) * | 2020-11-10 | 2021-02-09 | Акционерное общество «ЦТК-ЕВРО» | Применение суспензии гексагонального нитрида бора для увеличения теплового потока, проходящего через элементы конструкций, подверженных неравномерному по поверхности нагреву внешним источником |
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| BR0212482A (pt) | 2001-09-13 | 2004-08-24 | Ak Properties Inc | Método para produzir uma tira de aço elétrico de grão orientado |
| JP4238260B2 (ja) * | 2006-09-19 | 2009-03-18 | 新日本製鐵株式会社 | 鋼板の冷却方法 |
| RU2359189C2 (ru) * | 2006-10-23 | 2009-06-20 | Чиа-Хсиунг ВУ | Теплообменная система |
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| US20130341028A1 (en) * | 2010-06-28 | 2013-12-26 | Baker Hughes Incorporated | Controllably tuning properties of a fluid using modified nanoparticles |
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| 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 |
| WO2017109526A1 (en) * | 2015-12-22 | 2017-06-29 | Arcelormittal | A method of heat transfer of a non-metallic or metallic item |
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| ZA201803752B (en) | 2019-02-27 |
| JP6796647B2 (ja) | 2020-12-09 |
| BR112018012499A2 (pt) | 2018-12-11 |
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