JP2008509285A - 複合チューブ、複合チューブの製造方法、および複合チューブの使用 - Google Patents
複合チューブ、複合チューブの製造方法、および複合チューブの使用 Download PDFInfo
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- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
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- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
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- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/14—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils in pipes or coils with or without auxiliary means, e.g. digesters, soaking drums, expansion means
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- C10G9/20—Tube furnaces
- C10G9/203—Tube furnaces chemical composition of the tubes
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- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
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- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
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- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
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Abstract
Description
Dhydr=4×(空の断面)/内周;
これはおそらく、匹敵する滑らかなチューブの内径に相当し、1.425の均一度を与える。
Claims (44)
- 第1の部分チューブ(10)と第2の部分チューブ(20)とを有する複合チューブであって、
一方の部分チューブは、もう一方の部分チューブの内部に配置され、
該第1の部分チューブ(10)は、遠心成形チューブであり、そして
該第2の部分チューブ(20)は、加圧処理により粉末から製造されている、
複合チューブ。 - 前記第1の部分チューブ(10)が、前記第2の部分チューブ(20)に金属接合されている、請求項1に記載の複合チューブ。
- 前記第2の部分チューブ(20)が、あるプロフィールを有する、請求項1または2に記載の複合チューブ。
- 前記第2の部分チューブ(20)が、前記第1の部分チューブ(10)の内部に配置されている、請求項1〜3のいずれか1項に記載の複合チューブ。
- 前記第2の部分チューブ(20)が、少なくとも1つの内部フィン(30)を有する、請求項3または4に記載の複合チューブ。
- 前記内部フィンが、らせん状に取り付けられている、請求項5に記載の複合チューブ。
- 前記フィンのフランク角が、16°〜20°である、請求項5または6に記載の複合チューブ。
- 前記フィンの勾配の角度が、20°〜40°である、請求項5〜7のいずれか1項に記載の複合チューブ。
- 複数のフィンと、該フィンの間に位置するフィンの谷間とが、断面が鏡面対称となるように設計されている、請求項5〜8のいずれか1項に記載の複合チューブ。
- 前記複数のフィンのフィンの頂部と、フィンの谷間とが、いずれの場合にも、互いに隣接している、請求項5〜9のいずれか1項に記載の複合チューブ。
- 前記複数のフィンのフィンと、フィンの谷間とが、同じ曲率半径を有する、請求項5〜10のいずれか1項に記載の複合チューブ。
- 合計6〜20個のフィンを備える、請求項5〜11のいずれか1項に記載の複合チューブ。
- プロフィールの外円内の前記フィンの表面積の、該プロフィールの空の断面に対する比が、0.06〜0.1未満である、請求項5〜12のいずれか1項に記載の複合チューブ。
- 請求項5〜13のいずれか1項に記載の複合チューブであって、水試験における、熱伝達係数の商QR/Q0の、圧力損失の商ΔPR/ΔP0に対する比が、1.4〜1.5であり、ここで、Rは、前記フィンを有する複合チューブを示し、そして、0は、滑らかなチューブを示す、複合チューブ。
- 水力直径が、匹敵する滑らかなチューブの内径に対応する、請求項5〜14のいずれか1項に記載の複合チューブ。
- 前記第1の部分チューブ(10)が、以下:
- 前記第2の部分チューブが、前記第1の部分チューブと同じ材料から作製されるか、そして/または、セラミック材料、2種以上の金属から成る材料、もしくはODS材料から作製される、請求項1〜16のいずれか1項に記載の複合チューブ。
- 粉末が、遠心成形チューブの内面または外面と接触し、そして、該粉末が、加圧処理により圧縮されて前記第2の部分チューブを形成し、該遠心成形チューブに接合される、請求項1〜17のいずれか1項に記載の複合チューブの製造方法。
- 前記粉末が加熱される、請求項18に記載の方法。
- 前記粉末が、加圧処理の前に予め圧縮されている、請求項18または19に記載の方法。
- 前記粉末が、振盪によって予め圧縮されている、請求項20に記載の方法。
- 請求項19〜21のいずれか1項に記載の方法あって、以下:
コアを遠心成形チューブ内に挿入する工程;
該遠心成形チューブの内面と、該コアとの間に残る空の空間に、粉末を充填する工程;
該粉末を同時に加熱しながら、該遠心成形チューブを圧力下に置く工程;および
該加圧処理が完了した後に、該コアを、上記工程により製造された該複合チューブから取り除く工程
を包含する、方法。 - 前記複合チューブの内側にできるフィンのプロフィールの逆の形状であるプロフィールを有するコアを、前記遠心成形チューブ内に挿入する工程を包含する、請求項22に記載の方法。
- 前記コアを、エッチングによって少なくとも部分的に前記複合チューブから取り除く工程を包含する、請求項22または23に記載の方法。
- 請求項19〜21のいずれか1項に記載の方法であって、以下:
遠心成形チューブを鋳型内に挿入する工程;
該遠心成形チューブの外面と、該鋳型との間に残る空の空間に、粉末を充填する工程;
該粉末を同時に加熱することによって、該遠心成形チューブを圧力下に置く工程;および
該加圧処理が完了した後に、該鋳型を、上記工程により製造された該複合チューブから取り除く工程
を包含する、方法。 - 前記空の空間が、前記チューブの少なくとも一方の端部において閉じている、請求項22〜25のいずれか1項に記載の方法。
- 前記加圧処理のために、少なくとも450バールの圧力が生成される、請求項18〜26のいずれか1項に記載のプロセス。
- 前記粉末が、少なくとも450°の温度まで加熱される、請求項19〜27のいずれか1項に記載のプロセス。
- 前記粉末が、不活性な雰囲気下で加熱される、請求項19〜28のいずれか1項に記載のプロセス。
- 前記加圧処理が、不活性な雰囲気下で行なわれる、請求項18〜29のいずれか1項に記載のプロセス。
- 前記複数のチューブが、1つの圧力チャンバ内で生成される、請求項20〜30のいずれか1項に記載のプロセス。
- 第1の部分チューブと第2の部分チューブとを用いて生成された、軸方向に平行なフィンを有する複合チューブの端部が、互いに関してねじれている、請求項18〜31のいずれか1項に記載のプロセス。
- 蒸気の存在下で炭化水素を熱分解するための、複合チューブの使用。
- 蒸気の存在下で炭化水素を熱分解するための、請求項1〜17のいずれか1項に記載の複合チューブの使用。
- 蒸気の存在下で炭化水素を熱分解するための、請求項1〜17のいずれか1項に記載の複合チューブの使用であって、充填される混合物が、外部から加熱されたらせん状の内部フィンを有する前記チューブを通過し、渦流が、該フィンの中間付近で生じ、そして、コアゾーン内で変換されて、該フィンから半径方向に遠ざかるにつれて、軸方向の流れが優性になる、使用。
- 前記渦流が、前記フィンフランクにおいて分離する乱流を取り込む、請求項35に記載の使用。
- 前記フィンの谷間内における気体の流れの外周部での速度が、該フィンの頂部における速度よりも大きい、請求項35または36に記載の使用。
- 前記フィンにおける渦流が、前記チューブの軸に対して、20°〜40°、好ましくは22.5°〜32.5°の角度で生じる、請求項35〜37のいずれか1項に記載の使用。
- 前記チューブの外周部全体にわたる内壁の温度のばらつきが、12℃未満である、請求項35〜38のいずれか1項に記載の使用。
- 前記コアゾーン内の等温線が、円形である、請求項35〜39のいずれか1項に記載の使用。
- 前記渦流の速度が、前記チューブの長さ1メートルあたり、1.8m/秒〜2.0m/秒だけ増加する、請求項35〜40のいずれか1項に記載の使用。
- 前記渦流の速度が、前記チューブの長さ1メートルあたり、前記空の断面の7%〜8%を覆う、請求項35〜41のいずれか1項に記載の使用。
- 前記断面全体にわたる温度の均一度と、前記水力直径に関する温度の均一度とが、滑らかなチューブの均一度に対して、1を超える、請求項35〜42のいずれか1項に記載の使用。
- 高温における用途での、特に、管状の回転炉または廃棄物焼却プラントにおける、請求項1〜17のいずれか1項に記載の複合チューブの使用。
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DE102004039356A DE102004039356B4 (de) | 2004-08-12 | 2004-08-12 | Verwendung eines Verbundrohres zum thermischen Spalten von Kohlenwasserstoffen in Anwesenheit von Dampf |
PCT/EP2005/008813 WO2006018251A2 (de) | 2004-08-12 | 2005-08-12 | Verbundrohr, herstellungsverfahren für ein verbundrohr und verwendung für ein verbundrohr |
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US (1) | US20080014342A1 (ja) |
EP (1) | EP1802410B1 (ja) |
JP (1) | JP2008509285A (ja) |
KR (1) | KR20070043004A (ja) |
AT (1) | ATE447451T1 (ja) |
BR (1) | BRPI0514214A (ja) |
CA (1) | CA2575019C (ja) |
DE (3) | DE102004039356B4 (ja) |
EA (1) | EA200700429A1 (ja) |
HR (1) | HRP20070037A2 (ja) |
IL (1) | IL181214A0 (ja) |
MA (1) | MA28794B1 (ja) |
MX (1) | MX2007001705A (ja) |
NO (1) | NO20070491L (ja) |
NZ (1) | NZ552975A (ja) |
RS (1) | RS20070043A (ja) |
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EP2069702A1 (en) * | 2006-09-13 | 2009-06-17 | ExxonMobil Chemical Patents Inc. | Quench exchanger with extended surface on process side |
GB201016455D0 (en) | 2010-09-30 | 2010-11-17 | Imp Innovations Ltd | Fluid flow modification |
RU2590522C2 (ru) * | 2011-02-18 | 2016-07-10 | Асахи Касеи Кемикалз Корпорейшн | Устройство для обжига, способ изготовления оксидного катализатора и способ получения ненасыщенной кислоты или ненасыщенного нитрила |
EP2813286A1 (de) * | 2013-06-11 | 2014-12-17 | Evonik Industries AG | Reaktionsrohr und Verfahren zur Herstellung von Cyanwasserstoff |
CN105813725B (zh) | 2013-10-11 | 2018-08-17 | 赢创德固赛有限公司 | 用于制备氰化氢的反应管和方法 |
CN103604003A (zh) * | 2013-11-11 | 2014-02-26 | 江苏宏宝集团有限公司 | 一种异型钢管 |
CN106286999A (zh) * | 2015-05-22 | 2017-01-04 | 凤冈县凤鸣农用机械制造有限公司 | 一种双层复合管 |
WO2017007649A1 (en) * | 2015-07-09 | 2017-01-12 | Sabic Global Technologies B.V. | Minimizing coke formation in a hydrocarbon cracker system |
EP3301075A1 (en) | 2016-09-28 | 2018-04-04 | Evonik Degussa GmbH | Method for producing hydrogen cyanide |
RS65367B1 (sr) * | 2017-04-07 | 2024-04-30 | Schmidt Clemens Gmbh Co Kg | Cev i uređaj za termičko razlaganje ugljovodonika |
IL269775B2 (en) * | 2017-04-07 | 2024-04-01 | Schmidt Clemens Gmbh Co Kg | Pipeline and device for thermal splitting of hydrocarbons |
CN110270689A (zh) * | 2018-03-13 | 2019-09-24 | 东莞杰宇机械有限公司 | 一种双金属管套成型工艺 |
DE102020200034A1 (de) | 2020-01-03 | 2021-07-08 | Sms Group Gmbh | Verfahren zur Herstellung eines Verbundrohres sowie Verbundrohr |
CN111283175B (zh) * | 2020-03-30 | 2021-11-09 | 南京理工大学 | 一种铸造异构金属棒材的装置及方法 |
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Also Published As
Publication number | Publication date |
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IL181214A0 (en) | 2007-07-04 |
MX2007001705A (es) | 2007-04-23 |
DE502005008457D1 (de) | 2009-12-17 |
CA2575019A1 (en) | 2006-02-23 |
EP1802410A2 (de) | 2007-07-04 |
DE202004016252U1 (de) | 2005-12-22 |
NZ552975A (en) | 2009-10-30 |
CA2575019C (en) | 2013-04-23 |
DE102004039356B4 (de) | 2007-03-08 |
US20080014342A1 (en) | 2008-01-17 |
EA200700429A1 (ru) | 2007-06-29 |
MA28794B1 (fr) | 2007-08-01 |
NO20070491L (no) | 2007-04-23 |
WO2006018251A2 (de) | 2006-02-23 |
DE102004039356A1 (de) | 2006-02-23 |
WO2006018251A3 (de) | 2006-05-18 |
EP1802410B1 (de) | 2009-11-04 |
HRP20070037A2 (en) | 2007-05-31 |
ATE447451T1 (de) | 2009-11-15 |
BRPI0514214A (pt) | 2008-06-03 |
RS20070043A (en) | 2008-11-28 |
KR20070043004A (ko) | 2007-04-24 |
ZA200700687B (en) | 2008-04-30 |
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