JP6868146B1 - 流体撹拌要素を具える熱分解管 - Google Patents
流体撹拌要素を具える熱分解管 Download PDFInfo
- Publication number
- JP6868146B1 JP6868146B1 JP2020111567A JP2020111567A JP6868146B1 JP 6868146 B1 JP6868146 B1 JP 6868146B1 JP 2020111567 A JP2020111567 A JP 2020111567A JP 2020111567 A JP2020111567 A JP 2020111567A JP 6868146 B1 JP6868146 B1 JP 6868146B1
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- stirring element
- pipe
- stirring
- inclined surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- 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
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2405—Stationary reactors without moving elements inside provoking a turbulent flow of the reactants, such as in cyclones, or having a high Reynolds-number
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- 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
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00164—Controlling or regulating processes controlling the flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0022—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0056—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for ovens or furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0059—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for petrochemical plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0075—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for syngas or cracked gas cooling systems
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Geometry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Processing Of Solid Wastes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
管軸の一端側に流体入口、他端側に流体出口を有する管の内面に、1又は複数の流体の撹拌要素を頂部が内向きに突出するよう形成した熱分解管であって、
前記撹拌要素は、前記管軸に対して長手方向が螺旋状に傾斜又は直交するよう形成され、前記長手方向に対して直交する幅方向の中心に対し、前記頂部が前記流体入口側又は前記流体出口側に偏心している。
第1実施形態では、撹拌要素20は、図3(a)に断面を示すように、その頂部21が流体入口側11に偏心している。本明細書において、撹拌要素20の頂部21とは、撹拌要素20が管内面から管軸側に向けて内向きに突出した最も高い部分をいう。撹拌要素20が、図3(a)に示すような山型であればその頂点が頂部21であり、図3(b)に示すように撹拌要素20の頂部21が平坦面22を有する場合には、平坦面22の幅方向の中心O’を頂部21として規定する。
第2実施形態では、撹拌要素20は、図5に断面を示すように、その頂部21が流体出口側12に偏心している。なお、頂部21の規定や下記する偏心度の規定等、第1実施形態で説明した部分については適宜説明を省略する。
管の内面にTIG溶接により、撹拌要素を肉盛ビードとして形成した。
図9に示すように、上流側に助走区間31を有し、下流側に図3(a)、図5(a)に示す発明例1、発明例2の熱分解管10、比較例1、比較例2の熱分解管を接続した供試熱分解管30を作製し、流体を流通させて出口温度(℃)及び熱交換量(kW)を測定、比較した。
20 撹拌要素
21 頂部
Claims (5)
- 管軸の一端側に流体入口、他端側に流体出口を有する管の内面に、1又は複数の流体の撹拌要素を頂部が内向きに突出するよう形成した熱分解管であって、
前記撹拌要素は、
前記管軸に対して長手方向が螺旋状に傾斜又は直交するよう形成され、前記長手方向に対して直交する幅方向の中心に対し、前記頂部が前記流体入口側又は前記流体出口側に偏心しており、
前記頂部を挟んで、前記流体入口側に入口側傾斜面、前記流体出口側に出口側傾斜面を有し、前記入口側傾斜面と前記出口側傾斜面は傾斜角度が異なるものであって、
前記入口側傾斜面及び/又は前記出口側傾斜面は、凸形状又は凹形状であり、
前記凸形状又は前記凹形状の傾斜面は、少なくとも1つ以上の凸部又は凹部をさらに有する、
撹拌要素を具える熱分解管。 - 前記撹拌要素は、前記頂部の中心が、前記撹拌要素の前記幅方向の中心に対して前記流体入口側に10%以上又は前記流体出口側に5%以上偏心している、
請求項1に記載の撹拌要素を具える熱分解管。 - 前記撹拌要素は、前記頂部の中心が、前記撹拌要素の前記幅方向の中心に対して前記流体入口側に90%以下又は前記流体出口側に85%以下偏心している、
請求項1に記載の撹拌要素を具える熱分解管。 - 前記撹拌要素は、前記長手方向の長さが、前記幅方向の長さよりも長い、
請求項1乃至請求項3の何れかに記載の撹拌要素を具える熱分解管。 - 前記頂部は、略平坦な平坦面を有しており、前記平坦面の幅方向中心は前記流体入口側又は前記流体出口側に偏心している、
請求項1に記載の撹拌要素を具える熱分解管。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020111567A JP6868146B1 (ja) | 2020-06-29 | 2020-06-29 | 流体撹拌要素を具える熱分解管 |
CA3181888A CA3181888A1 (en) | 2020-06-29 | 2021-06-21 | Thermal decomposition pipe equipped with fluid stirring element |
US17/613,639 US20220316814A1 (en) | 2020-06-29 | 2021-06-21 | Thermal cracking tube with fluid agitating element |
PCT/JP2021/023412 WO2022004465A1 (ja) | 2020-06-29 | 2021-06-21 | 流体撹拌要素を具える熱分解管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020111567A JP6868146B1 (ja) | 2020-06-29 | 2020-06-29 | 流体撹拌要素を具える熱分解管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6868146B1 true JP6868146B1 (ja) | 2021-05-12 |
JP2022010814A JP2022010814A (ja) | 2022-01-17 |
Family
ID=75801772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020111567A Active JP6868146B1 (ja) | 2020-06-29 | 2020-06-29 | 流体撹拌要素を具える熱分解管 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220316814A1 (ja) |
JP (1) | JP6868146B1 (ja) |
CA (1) | CA3181888A1 (ja) |
WO (1) | WO2022004465A1 (ja) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60162198A (ja) * | 1984-01-31 | 1985-08-23 | Toshiba Corp | 満液式熱交換器 |
JPH04100671U (ja) * | 1991-01-25 | 1992-08-31 | ||
JP3323682B2 (ja) * | 1994-12-28 | 2002-09-09 | 株式会社日立製作所 | 混合冷媒用内面クロス溝付き伝熱管 |
JP4587545B2 (ja) * | 2000-10-10 | 2010-11-24 | 住友軽金属工業株式会社 | 吸収器用伝熱管 |
FR2855601B1 (fr) * | 2003-05-26 | 2005-06-24 | Trefimetaux | Tubes rainures pour echangeurs thermiques a fluide monophasique, typiquement aqueux |
WO2008004574A1 (fr) * | 2006-07-05 | 2008-01-10 | Sumitomo Metal Industries, Ltd. | Tube métallique destiné à une réaction de craquage thermique |
JP4860531B2 (ja) * | 2007-03-30 | 2012-01-25 | 株式会社クボタ | 熱分解管 |
EP2230009A1 (en) * | 2009-03-17 | 2010-09-22 | Total Petrochemicals Research Feluy | Process for quenching the effluent gas of a furnace. |
CN102636054A (zh) * | 2012-05-04 | 2012-08-15 | 哈尔滨工业大学 | 非对称型缩放式横槽管换热器 |
CN104560111B (zh) * | 2013-10-25 | 2017-08-25 | 中国石油化工股份有限公司 | 传热管以及使用其的裂解炉 |
US10539371B2 (en) * | 2017-01-18 | 2020-01-21 | Qorvo Us, Inc. | Heat transfer device incorporating a helical flow element within a fluid conduit |
EP3606657A1 (de) * | 2017-04-07 | 2020-02-12 | Schmidt + Clemens GmbH & Co. KG | Rohr und vorrichtung zum thermischen spalten von kohlenwasserstoffen |
JP2019027668A (ja) * | 2017-07-28 | 2019-02-21 | 三菱日立パワーシステムズ株式会社 | 伝熱管、ボイラ及び蒸気タービン設備 |
CA3079047A1 (en) * | 2017-10-27 | 2019-05-02 | China Petroleum & Chemical Corporation | Heat transfer enhancement pipe as well as cracking furnace and atmospheric and vacuum heating furnace including the same |
-
2020
- 2020-06-29 JP JP2020111567A patent/JP6868146B1/ja active Active
-
2021
- 2021-06-21 CA CA3181888A patent/CA3181888A1/en active Pending
- 2021-06-21 US US17/613,639 patent/US20220316814A1/en active Pending
- 2021-06-21 WO PCT/JP2021/023412 patent/WO2022004465A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2022004465A1 (ja) | 2022-01-06 |
US20220316814A1 (en) | 2022-10-06 |
CA3181888A1 (en) | 2022-01-06 |
JP2022010814A (ja) | 2022-01-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4290123B2 (ja) | 螺旋状フィン付きクラッキングチューブ | |
JP3001181B2 (ja) | エチレン製造用反応管 | |
JP4860531B2 (ja) | 熱分解管 | |
KR101882928B1 (ko) | 열교환기 튜브, 그리고 상기 열교환기 튜브를 포함하는 난방 보일러 | |
JP2010150553A (ja) | 炭化水素を熱分解する方法とリブ付き管 | |
JP7005538B2 (ja) | 分解炉 | |
JP2006517997A (ja) | 改善された反応炉管を用いる炭化水素のクラッキングプロセス | |
JP6868146B1 (ja) | 流体撹拌要素を具える熱分解管 | |
JP5289811B2 (ja) | 反応管 | |
KR20140054727A (ko) | 열교환용 나선형 전열관 | |
WO2021132310A1 (ja) | 流体撹拌要素を具える熱分解管 | |
JP3615221B2 (ja) | 二酸化チタン法での煙道への流入口として改良された伸縮部の使用 | |
JP2009243864A (ja) | ヒートパイプ用内面溝付管及びヒートパイプ | |
JP7510868B2 (ja) | 流体撹拌要素を具える熱分解管 | |
JP7538028B2 (ja) | 流体撹拌要素を具える熱分解管 | |
US11774187B2 (en) | Heat transfer fin of fin-tube type heat exchanger | |
JPS6159189A (ja) | 熱交換器 | |
JP2001262159A (ja) | クラッキングコイル | |
US8029749B2 (en) | Cracking furnace | |
JPS6230715B2 (ja) | ||
JP2009250450A (ja) | 熱分解管 | |
KR19980078334A (ko) | 고성능 핀튜브용 톱니형 핀 | |
CN113587148A (zh) | 燃烧室用火焰筒及燃气轮机 | |
JP2019199984A (ja) | 熱交換器 | |
JPH11201681A (ja) | 熱交換用管 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200907 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20200907 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20201211 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20201211 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20201228 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210112 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210218 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210330 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210409 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6868146 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |