EP1617139A1 - Conduite dans une chaudière à tubes de fumées - Google Patents

Conduite dans une chaudière à tubes de fumées Download PDF

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Publication number
EP1617139A1
EP1617139A1 EP05014961A EP05014961A EP1617139A1 EP 1617139 A1 EP1617139 A1 EP 1617139A1 EP 05014961 A EP05014961 A EP 05014961A EP 05014961 A EP05014961 A EP 05014961A EP 1617139 A1 EP1617139 A1 EP 1617139A1
Authority
EP
European Patent Office
Prior art keywords
pipe
wall
fins
arc
fire tube
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.)
Granted
Application number
EP05014961A
Other languages
German (de)
English (en)
Other versions
EP1617139B1 (fr
Inventor
Giovanni Jahier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unical AG SpA
Original Assignee
Unical AG SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35058765&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1617139(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Unical AG SpA filed Critical Unical AG SpA
Publication of EP1617139A1 publication Critical patent/EP1617139A1/fr
Application granted granted Critical
Publication of EP1617139B1 publication Critical patent/EP1617139B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/06—Flue or fire tubes; Accessories therefor, e.g. fire-tube inserts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0026—Guiding means in combustion gas channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes

Definitions

  • boilers for generating hot water particularly small boilers for domestic use, quite frequently have a structure that is known as "fire tube", comprising a plurality of pipes designed to convey internally the products of the combustion generated by a burner before sending them to the flue, and to be struck on the outside by the water to be heated.
  • fire tube comprising a plurality of pipes designed to convey internally the products of the combustion generated by a burner before sending them to the flue, and to be struck on the outside by the water to be heated.
  • the aim of the present invention is to provide a pipe which is adapted to be installed in a fire tube boiler and has high characteristics of heat exchange between the products of combustion and the water to be heated.
  • a pipe in a fire tube boiler designed to convey the combustion gases and to be struck at its outer surface by the water to be heated, characterized in that it comprises a wall having a constant thickness along its entire length and a plurality of fins which protrude monolithically from at least one arc-like support, which is associated in contact with the internal surface of said wall.
  • the reference numeral 1 generally designates the pipe according to the invention, which is designed to convey internally the products of combustion and to be struck at its outer surface by the water to be heated.
  • the pipe 1 comprises a wall 2, which has a constant thickness along its entire length, and at least one and preferably two arc-like sectors 3 and 4 are associated in contact with said wall, for example by means of a mold or by rolling, and a plurality of fins such as 3a, 4a protrude from the sectors.
  • Figures 3 and 4 illustrate further embodiments related to the shape of the fins provided in the pipe: thus, pipe 5 of Figure 3 comprises a wall 6 having a constant thickness along its entire length, which has in contact therewith three arc-like sectors 7, 8, 9, from which fins such as 7a, 8a, 9a protrude respectively; pipe 10 of Figure 4 comprises a wall 11 with constant thickness, which has in contact therewith four arc-like sectors 12, 13, 14, 15, from which fins such as 12a, 13a, 14a, 15a protrude.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Details Of Fluid Heaters (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
EP05014961.6A 2004-07-13 2005-07-11 Conduite dans une chaudière à tubes de fumées Revoked EP1617139B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000019A ITMN20040019A1 (it) 2004-07-13 2004-07-13 Tubo in caldaia a tubi di fumo

Publications (2)

Publication Number Publication Date
EP1617139A1 true EP1617139A1 (fr) 2006-01-18
EP1617139B1 EP1617139B1 (fr) 2016-08-31

Family

ID=35058765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05014961.6A Revoked EP1617139B1 (fr) 2004-07-13 2005-07-11 Conduite dans une chaudière à tubes de fumées

Country Status (5)

Country Link
US (1) US20060201451A1 (fr)
EP (1) EP1617139B1 (fr)
ES (1) ES2612012T3 (fr)
IT (1) ITMN20040019A1 (fr)
PL (1) PL1617139T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1936315A1 (fr) * 2006-12-13 2008-06-25 UNICAL AG S.p.A. Tuyau protégé d'acier au carbone pour le transport de gaz combustible dans un appareil d'échange de chaleur
WO2010129847A2 (fr) * 2009-05-08 2010-11-11 E. I. Du Pont De Nemours And Company Processus d'utilisation d'un carneau amélioré dans un processus au dioxyde de titane
ITMI20101086A1 (it) * 2010-06-16 2011-12-17 Unical Ag Spa Tubo in caldaia a tubi di fumo.
EP2781873A4 (fr) * 2011-11-14 2015-10-07 Sung-Hwan Choi Tuyau d'échange de chaleur et méthode de fabrication de celui-ci
EP2944910A1 (fr) * 2014-05-13 2015-11-18 Grand Hall Enterprise Co., Ltd. Tube d'échangeur de chaleur
CN111577467A (zh) * 2020-05-27 2020-08-25 中国航空发动机研究院 一种用于高速吸气式发动机的拼接式换热器

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5476080B2 (ja) * 2009-09-29 2014-04-23 株式会社Ｕａｃｊ アルミニウム製内面溝付伝熱管
KR20150108581A (ko) * 2014-03-18 2015-09-30 그랜드 홀 엔터프라이즈 컴파니 리미티드 열교환기 튜브
CN104613805A (zh) * 2015-01-26 2015-05-13 西安交通大学 一种轴对称梳齿形内翅片结构及其翅片管束
CN104613646B (zh) * 2015-01-27 2017-05-10 佛山市沃克曼普电气有限公司 一种换热片
US20180202724A1 (en) * 2017-01-19 2018-07-19 Dong Yong Hot Water System Inc. Conductive structure of heat exchange pipe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB472075A (en) * 1935-06-19 1937-09-16 Alexander Varga Improvements in and relating to tubular heat transmitting bodies suitable for smoke-tube boilers
GB698843A (en) * 1950-09-18 1953-10-21 Brown Fintube Co Heat exchanger tube with internal fins and method of making same
JPH09318172A (ja) * 1996-05-31 1997-12-12 Sanyo Electric Co Ltd 外燃式熱ガス機関の熱交換器
US6070657A (en) * 1994-03-24 2000-06-06 Hoval Interliz Ag Heat exchanger tube for heating boilers
JP2003254690A (ja) * 2002-02-28 2003-09-10 Usui Kokusai Sangyo Kaisha Ltd 伝熱管並びにこの伝熱管を使用した熱交換器。

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US813918A (en) 1899-12-29 1906-02-27 Albert Schmitz Tubes, single or compound, with longitudinal ribs.
US1692529A (en) 1926-01-29 1928-11-20 American Luigi Corp Machine for making hollow tubes or conductors
US2203317A (en) 1938-01-20 1940-06-04 Locomotive Firebox Co Locomotive smokestack
US2707493A (en) * 1943-03-13 1955-05-03 Claude A Bonvillian Conduits
US2930405A (en) 1955-05-31 1960-03-29 Brown Fintube Co Tube with internal fins and method of making same
BE653792A (fr) 1963-09-30
US3267564A (en) 1964-04-23 1966-08-23 Calumet & Hecla Method of producing duplex internally finned tube unit
DE2920057C2 (de) 1979-05-18 1982-09-16 Kurt 7520 Bruchsal Heim Innenrippenrohr für druckgas- oder druckölbeheizte Heizkessel
DE3231322C2 (de) 1982-08-23 1984-07-05 Kurt 7520 Bruchsal Heim Innenrippenrohr für druckgas - oder druckölbeheizte Heizkessel
DE8511562U1 (de) 1985-04-18 1985-07-25 Wolf Klimatechnik GmbH, 8302 Mainburg Innenrippenrohr für gas- oder ölbeheizte Heizkessel
JP2004309074A (ja) 2003-04-10 2004-11-04 Usui Kokusai Sangyo Kaisha Ltd フィン部材を内装した伝熱管

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB472075A (en) * 1935-06-19 1937-09-16 Alexander Varga Improvements in and relating to tubular heat transmitting bodies suitable for smoke-tube boilers
GB698843A (en) * 1950-09-18 1953-10-21 Brown Fintube Co Heat exchanger tube with internal fins and method of making same
US6070657A (en) * 1994-03-24 2000-06-06 Hoval Interliz Ag Heat exchanger tube for heating boilers
JPH09318172A (ja) * 1996-05-31 1997-12-12 Sanyo Electric Co Ltd 外燃式熱ガス機関の熱交換器
JP2003254690A (ja) * 2002-02-28 2003-09-10 Usui Kokusai Sangyo Kaisha Ltd 伝熱管並びにこの伝熱管を使用した熱交換器。

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 04 31 March 1998 (1998-03-31) *
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1936315A1 (fr) * 2006-12-13 2008-06-25 UNICAL AG S.p.A. Tuyau protégé d'acier au carbone pour le transport de gaz combustible dans un appareil d'échange de chaleur
WO2010129847A2 (fr) * 2009-05-08 2010-11-11 E. I. Du Pont De Nemours And Company Processus d'utilisation d'un carneau amélioré dans un processus au dioxyde de titane
WO2010129847A3 (fr) * 2009-05-08 2011-11-10 E. I. Du Pont De Nemours And Company Processus d'utilisation d'un carneau amélioré dans un processus au dioxyde de titane
ITMI20101086A1 (it) * 2010-06-16 2011-12-17 Unical Ag Spa Tubo in caldaia a tubi di fumo.
WO2011157495A1 (fr) * 2010-06-16 2011-12-22 Unical Ag S.P.A Tube dans une chaudière à combustion à tubes
EP2781873A4 (fr) * 2011-11-14 2015-10-07 Sung-Hwan Choi Tuyau d'échange de chaleur et méthode de fabrication de celui-ci
EP2944910A1 (fr) * 2014-05-13 2015-11-18 Grand Hall Enterprise Co., Ltd. Tube d'échangeur de chaleur
CN111577467A (zh) * 2020-05-27 2020-08-25 中国航空发动机研究院 一种用于高速吸气式发动机的拼接式换热器
CN111577467B (zh) * 2020-05-27 2021-08-31 中国航空发动机研究院 一种用于高速吸气式发动机的拼接式换热器

Also Published As

Publication number Publication date
EP1617139B1 (fr) 2016-08-31
PL1617139T3 (pl) 2017-02-28
ES2612012T3 (es) 2017-05-11
US20060201451A1 (en) 2006-09-14
ITMN20040019A1 (it) 2004-10-13

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