JP2006520878A - 螺旋管 - Google Patents
螺旋管 Download PDFInfo
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- JP2006520878A JP2006520878A JP2006505981A JP2006505981A JP2006520878A JP 2006520878 A JP2006520878 A JP 2006520878A JP 2006505981 A JP2006505981 A JP 2006505981A JP 2006505981 A JP2006505981 A JP 2006505981A JP 2006520878 A JP2006520878 A JP 2006520878A
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Classifications
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
- F16L11/121—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting specially profiled cross sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
- B01J8/062—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes being installed in a furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/131—Curved articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/14—Twisting
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2002/068—Modifying the blood flow model, e.g. by diffuser or deflector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/19—Details relating to the geometry of the reactor
- B01J2219/194—Details relating to the geometry of the reactor round
- B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
- B01J2219/1944—Details relating to the geometry of the reactor round circular or disk-shaped spiral
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Pipeline Systems (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Pipe Accessories (AREA)
Abstract
Description
この明細書(特許請求の範囲を含む)の目的に関し、用語、螺旋管の「相対振幅」とは振幅を内径で割ったものと定義される。螺旋管の振幅が管の内径の半分以下であるので、これは、相対振幅が0.5以下であることを意味する。0.45、0.40、0.35、0.30、0.25、0.20、0.15、0.1又は0.05以下の相対振幅が好ましい。全体的に見て螺旋管がそれと同じ断面積の通常の直管に比べてそれほぼ幅広でないという点で、螺旋管の相対振幅がより小さいほど、横方向空間を有効により良く使用できる。より小さい相対振幅はまた、より広い「見通し線」をもたらし、管に沿って管内に圧力計他の装置を挿入することのできるより広いスペースを提供する。より高いレイノズル数を伴うことにより、より小さい相対振幅を使用でき、満足できる範囲まで旋回流を引き起こすことができる。このことは、一般的に、任意の内径に対して、大きな流量が存在するところでは、小さくても旋回流を引き起こすのにいまだ十分である小さな相対振幅を用いることができることを意味する。
A = (W − DE)/2
この実施例では、曲げ幅Wは14mmであったので、
A = (W − DE)/2 = (14-12)/2 = 1 mm
以前に説明したように、「相対振幅」ARは、AR = A / DIと定義される。
水を管に通した。流れ特性を観測するために、管壁を半径方向に貫通する2本の注射針80と82を用いて、目で見ることができる染料を流れに注入した。2つの注入位置は共に中心軸30に近く、すなわち、流れ「核(コア)」のところであった。一方の注射針80は赤インク、他方の注射針82は青インクを注入した。図1から、インク線条84と86がからみ合い、核において旋回流、すなわち、ほぼ螺旋状の流れが生じていることがわかる。図1に示す実験は、レイノズル数REが500で行われた。2つの追加実験において、それぞれ250と100のレイノズル数を使用して、また、旋回核流が観測された。
このガス濃度の減少は、例えば、ポンプを用いると、非常に有益である。ポンプは、通常、多相流に対処するように設計されておらず、またガス濃度が高いと通常うまく作動しない。このように螺旋管を使用して流れ内のガス濃度を減少させることにより、ポンプの効率は高めることができる。
Claims (22)
- 管の部分の中心線がほぼ螺旋の経路をたどる前記部分を含む管であって、前記螺旋の振幅が前記管の内径の半分以下である管。
- 請求項1に記載の管であって、前記部分は複数の螺旋ターンを持つ管。
- 請求項1又は2に記載の管であって、前記部分はその長さに沿って実質的に同じ振幅とネジレ角を持つ管。
- 請求項1乃至3のいずれか1つに記載の管であって、前記部分は前記管の全長に沿って延伸する管。
- 請求項1乃至3のいずれか1つに記載の管であって、前記部分は前記管の一部に沿ってのみ延伸する管。
- 請求項1乃至5のいずれか1つに記載の管であって、前記螺旋回転の軸は直線である管。
- 請求項1乃至5のいずれか1つに記載の管であって、前記螺旋回転の軸は曲がっている管。
- 請求項1乃至7のいずれか1つに記載の管であって、ミキサーとして使用される管。
- 管の部分の中心線がほぼ螺旋の経路をたどる前記部分を含む管を製造する方法であって、可撓管部分を別の真直の可撓部材に隣接させ、前記可撓管部分と前記可撓部材を互いの周りにねじり、前記可撓管部分がその形状を維持するように前記可撓管部分を処理するステップを含む方法。
- 請求項9に記載の方法であって、ねじられる際に前記可撓管部分にキンクその他の好ましくない変形を生じることを防止する方法。
- 請求項10に記載の方法であって、ねじる前に前記管部分にとまりばめコイルバネを挿入する方法。
- 請求項9〜乃至11のいずれか1つに記載の方法であって、前記可撓管部分は、熱硬化性プラスチック、UV硬化樹脂等の、該可撓管部分の形状を維持する処理が可能な材料から形成される方法。
- 請求項9乃至12のいずれか1つに記載の方法であって、前記真直の可撓部材は第2可撓管部分である方法。
- 管の部分の中心線がほぼ螺旋の経路をたどる前記部分を含む管を製造する方法であって:
直管を押し出す押出機を配設し;
前記押出された管を螺旋形状に形成する形つくり機を前記押出機の下流に配設し;
前記押出機から直管を押し出し、前記形つくり機を使用して該直管を螺旋形状に形成する;
ステップを含んでなる方法。 - 請求項14に記載の方法であって、前記形つくり機は、前記押出機の軸にほぼ平行な回転軸を有する回転部材であって、前記直管が通る孔を備え、該孔はその中心が前記回転軸からオフセットするように位置され、前記回転部材は前記直管が該回転部材を通過するときに回転駆動されて前記直管を螺旋形にする回転部材を含んでなる方法。
- 請求項15に記載の方法であって、前記回転軸が前記孔を通るが前記孔の中心からオフセットするように前記回転部材の前記孔は位置され、前記螺旋の振幅が前記直管の内径の半分以下であり、かつ、前記部分の長さに渡り比較的一定である螺旋状部分を生産する方法。
- 請求項14乃至16のいずれか1つに記載の方法を行う装置。
- 管の部分の中心線がほぼ螺旋の経路をたどる前記部分を含む管を製造する方法であって:
螺旋状マンドレルを提供し;
前記螺旋状マンドレルの周りに可撓管を巻きつけて螺旋状にし;
前記螺旋状にされた管がその形状を維持するように処理し;
前記処理されて螺旋形状を維持する管を前記螺旋状マンドレルから取り外す;
ステップを含んでなる方法。 - 請求項18に記載の方法であって、前記管は前記螺旋状マンドレルよりかなり長く、一端で前記マンドレルに巻きつけられ、前記螺旋状マンドレルに沿って動かされかつその形状を維持するように処理され、他端において前記螺旋状マンドレルからほどかれる方法。
- 請求項18又は19に記載の方法であって、前記管の外径は前記マンドレルの内径より大きくして前記生産された螺旋管の振幅が前記管の内径の半分以下となる方法。
- 請求項18乃至20のいずれか1つに記載の方法に使用する螺旋状マンドレル。
- 管の部分の中心線がほぼ螺旋の経路をたどる前記部分を含む管を製造する方法であって:
各々が真直な中心線と、互いに平行でない端面を有する複数の短い管部分を提供し;
前記複数の管部分の2つの管部分を、一方の管部分の長い方の側部が次の他方の管部分の長い方の側部から回転方向に僅かにオフセットするように接続し;
さらに別の短い管部分を前記先行する管部分から同じ量だけ回転方向にオフセットさせて次々と接続する;
ステップを含んでなる方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0306179.3A GB0306179D0 (en) | 2003-03-18 | 2003-03-18 | Piping |
PCT/GB2004/001163 WO2004083705A1 (en) | 2003-03-18 | 2004-03-18 | Helical piping |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009108083A Division JP2009226953A (ja) | 2003-03-18 | 2009-04-27 | 管の製造方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006520878A true JP2006520878A (ja) | 2006-09-14 |
JP2006520878A5 JP2006520878A5 (ja) | 2009-06-25 |
JP4684995B2 JP4684995B2 (ja) | 2011-05-18 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006505981A Expired - Lifetime JP4684995B2 (ja) | 2003-03-18 | 2004-03-18 | 螺旋管 |
JP2009108083A Pending JP2009226953A (ja) | 2003-03-18 | 2009-04-27 | 管の製造方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2009108083A Pending JP2009226953A (ja) | 2003-03-18 | 2009-04-27 | 管の製造方法 |
Country Status (15)
Country | Link |
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US (3) | US20070028984A1 (ja) |
EP (2) | EP2090267A2 (ja) |
JP (2) | JP4684995B2 (ja) |
KR (2) | KR101087218B1 (ja) |
CN (4) | CN100535497C (ja) |
AU (2) | AU2004221654B2 (ja) |
BR (1) | BRPI0408435B1 (ja) |
CA (1) | CA2519011C (ja) |
DK (1) | DK1611386T3 (ja) |
ES (1) | ES2408253T3 (ja) |
GB (1) | GB0306179D0 (ja) |
NO (2) | NO341248B1 (ja) |
PT (1) | PT1611386E (ja) |
WO (1) | WO2004083705A1 (ja) |
ZA (1) | ZA200508353B (ja) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0306176D0 (en) * | 2003-03-18 | 2003-04-23 | Imp College Innovations Ltd | Tubing |
ATE435063T1 (de) * | 2004-08-06 | 2009-07-15 | Campos Carlos Miguel Moreira | Vorrichtung zum mischen von fluiden |
US7749462B2 (en) | 2004-09-21 | 2010-07-06 | Technip France S.A.S. | Piping |
US8029749B2 (en) | 2004-09-21 | 2011-10-04 | Technip France S.A.S. | Cracking furnace |
GB0604895D0 (en) * | 2006-03-10 | 2006-04-19 | Heliswirl Technologies Ltd | Piping |
GB0420971D0 (en) * | 2004-09-21 | 2004-10-20 | Imp College Innovations Ltd | Piping |
DE602006007870D1 (ja) * | 2005-09-19 | 2009-08-27 | Bp Exploration Operating | |
US8517693B2 (en) | 2005-12-23 | 2013-08-27 | Exxonmobil Upstream Research Company | Multi-compressor string with multiple variable speed fluid drives |
EP1998879A1 (en) * | 2006-03-28 | 2008-12-10 | Klaus Kolding | An apparatus for treating a liquid |
US7857059B2 (en) | 2007-04-27 | 2010-12-28 | Chevron U.S.A. Inc. | Apparatus for mitigating slugging in flowline systems |
GB0817219D0 (en) | 2008-09-19 | 2008-10-29 | Heliswirl Petrochemicals Ltd | Cracking furnace |
GB0822949D0 (en) * | 2008-12-16 | 2009-01-21 | Heliswirl Technologies Ltd | Pipe liner |
GB0822948D0 (en) * | 2008-12-16 | 2009-01-21 | Heliswirl Technologies Ltd | Processing apparatus for multiphase hydrocarbon flows |
EP2248581A1 (en) * | 2009-05-08 | 2010-11-10 | Total Petrochemicals Research Feluy | Process for quenching the effluent gas of a furnace |
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