EP1769195A1 - Realisation d'une connexion entre des surfaces chauffantes d'un generateur de vapeur et un collecteur et/ou un repartiteur - Google Patents
Realisation d'une connexion entre des surfaces chauffantes d'un generateur de vapeur et un collecteur et/ou un repartiteurInfo
- Publication number
- EP1769195A1 EP1769195A1 EP05769368A EP05769368A EP1769195A1 EP 1769195 A1 EP1769195 A1 EP 1769195A1 EP 05769368 A EP05769368 A EP 05769368A EP 05769368 A EP05769368 A EP 05769368A EP 1769195 A1 EP1769195 A1 EP 1769195A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- container wall
- nipple
- pipe nipple
- nickel
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 96
- 210000002445 nipple Anatomy 0.000 claims abstract description 92
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 35
- 239000000956 alloy Substances 0.000 claims abstract description 35
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 60
- 238000003466 welding Methods 0.000 claims description 35
- 229910052759 nickel Inorganic materials 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 11
- 239000012611 container material Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
- F22B37/10—Water tubes; Accessories therefor
- F22B37/104—Connection of tubes one with the other or with collectors, drums or distributors
-
- 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
- F22B37/04—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler and characterised by material, e.g. use of special steel alloy
-
- 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
- F22B37/22—Drums; Headers; Accessories therefor
- F22B37/225—Arrangements on drums or collectors for fixing tubes or for connecting collectors to each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G3/00—Steam superheaters characterised by constructional features; Details of component parts thereof
- F22G3/009—Connecting or sealing of superheater or reheater tubes with collectors or distributors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S122/00—Liquid heaters and vaporizers
- Y10S122/16—Welding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
Definitions
- the invention relates to a method for establishing a connection between steam generator heating surfaces made of an austenitic material and a container connected as a collector or distributor with a base body of ferritic or martensitic material.
- the invention also relates to a container designed as a collector or manifold with pipe nipples for connection to a heating surface of a steam generator.
- the austenitic materials have a higher expansion coefficient than martensitic or ferritic materials. This leads to high stresses at the weld joints between materials made of austenitic materials (so-called “white materials”) and those made of ferritic or martensitic materials (so-called “black materials”). So far, so-called Used in the example of Figure 3 as a connecting piece 14 of two axially welded pipe sections of correspondingly different materials and in the unheated area in the connecting lines 15 (see Figures 1 and 2) of the
- Heating surface to the collector 17 or directly in front of the collector 17 between the connecting lines 15 and the manifold nipple 16 are welded. It is also known to provide such weld connectors on the boiler side between Schundausgang and connecting lines to the collector.
- black and white connectors can only be manufactured and tested in a complicated manner due to the increased quality requirements that are imposed on them.
- several welds in the connecting lines to the collector needed, which in turn the assembly and testing costs is further increased.
- a method and a benippelter collector or distributor of the type mentioned are provided by which reduces the assembly and testing costs, as well as the self and operating voltage state can be lowered and thus the life of the connection between the steam generator heating surfaces and the collector or distributor is substantially increased.
- pipe nipples made of a nickel-based alloy are connected between the connecting lines to the heating surface and the Container wall of the Body installed and the pipe nipple welded directly to the container wall of the body so that an axial gap remains between the pipe nipple and the container wall.
- the pipe nipples are made for connection to the connecting lines to the heating surfaces or steam generator tubes of a nickel-based alloy steam generator and inserted into the outer portion stepped connection bores in the wall of the container base body and with the container wall directly welded, that between the pipe nipple and the bottom of the outer portion of the connecting hole an axial gap remains.
- the connecting lines to the austenitic and therefore "white" steam generator heating surfaces can be welded directly to the nickel-based alloy container pipe nipples having an expansion coefficient between the coefficient of expansion of austenitic white material and the expansion coefficient of ferritic or martensitic, ie black material lies.
- the pipe nipples made of a nickel-based alloy are welded directly to the container wall, so that the transition weld from the nickel base alloy of the pipe nipple to the material of the container wall is located directly at the transition from the container body to the container pipe nipple.
- Transition weld from the "white material", from which the connecting lines are made to the "black material” is located directly on the wall of the collector or distributor.
- Axial gaps between pipe end and wall are known per se from the ASME regulations (so-called ASME weld seams), wherein an insert is inserted between pipe end and wall, which is decomposed or destroyed during operation of the system, so that the axial gap remains. In this way, it is also possible to proceed when producing the welded connection according to the invention. However, it is also possible to keep open the axial gap acting as a kind of expansion joint in a different way, e.g. by forming suitable projections or ribs or the like which are formed at the pipe end and / or the wall and are crushed during operation of the plant due to the expansion of the pipe nipple. The axial gap compensates for the elastic and plastic deformations of the pipe nipple.
- the width of the axial gap is dependent on the difference between the pipe nipple and the container wall in their expansion behavior, which in turn depends in particular on the material used in each case.
- Axial gap is in the range of a few tenths of a millimeter to a few millimeters, for example, at 1.6 mm before welding with a nipple outside diameter in the range of 40 to 80 mm.
- a welding material for the weld between the pipe nipples and the container wall preferably also a material is used whose coefficient of expansion in the size range between the coefficient of expansion of the nickel-based alloy of which the pipe nipples are made, and the coefficient of expansion of the material of the container wall of ferritic or martensitic material lies. As a result, the stress state in the region of the weld is additionally promoted.
- Nickel-based alloys are characterized by a coefficient of thermal expansion that is between the coefficient of expansion of ferritic or martensitic material and the coefficient of expansion of austenitic material.
- a weld material whose expansion coefficient is in the size range between the expansion coefficient of the nipple material and the expansion coefficient of the material of the connection line is preferably used for the welded joint between the pipe nipple and the austenitic material connection pipe, or a welding material of a nickel-base alloy is also used.
- the inventive idea is used as a material for the main body of the collector or distributor serving as a container instead of a ferritic or martensitic material also uses a nickel-based alloy whose coefficient of expansion is in its size between that of austenitic material and ferritic or martensitic material, whereby the tube nipples are made of a nickel-based alloy having a coefficient of expansion between that of austenitic material on the one hand and that of martensitic or ferritic materials on the other hand and welded directly to the container wall.
- an axial gap is kept between the pipe nipple and the bottom of the outer portion, in which the pipe nipple is inserted, which serves to compensate for the elastic and plastic deformations of the nipple during welding and in particular Operation of the system is effective, although in this embodiment, the axial gap may possibly be smaller than a container wall of ferritic or martensitic material.
- Another embodiment of the invention relates to a method for establishing a connection between steam generator heating surfaces made of an austenitic material and a container used as a collector or distributor with a base made of a martensitic or ferritic material, wherein nickel-based alloy pipe nip between the connecting lines leading to the heating surface made of an austenitic material and the container wall of the body are installed and the pipe nipple at one end directly to the container wall and at the other end, each with a connecting line be welded.
- a welding material is used as the welding material for welding the pipe nipple and the container wall or the pipe nipple and the connecting line
- the expansion coefficient is in the size range between the expansion coefficient of the nipple material and the expansion coefficient of the container material or the connecting line.
- It can also be a welding material for welding the pipe nipple and the container wall and the pipe nipple and the connecting line are used, whose coefficient of expansion corresponds to that of the pipe nipple.
- the welding material for welding the pipe nipples and the container wall may be different from that for welding the pipe nipple and the connecting pipe. It is also preferred in this embodiment of the method according to the invention
- Axial gap between pipe nipple and container wall kept free, which is effective for compensating the elastic and plastic deformation of the nipple during welding and in particular during operation of the system.
- the nickel base alloy from which the container wall is made may be the same as that from which the pipe nipples are made.
- Pipe nipples and container wall may both be made of Alloy 617, for example.
- a material of a nickel-base alloy is also used.
- nipple material and wall material are equal in coefficient of thermal expansion, a similar welding material is used. However, if these coefficients of expansion are different, it is preferable to use a welding material
- a welding material for welding the pipe nipple with the respective connecting line to the heating surface of the steam generator a welding material is used in this development of the invention with a container wall made of a nickel-based alloy whose coefficient of expansion lies in the size range between the expansion coefficient of the nipple material and the expansion coefficient of the material of the austenitic connection line or a nickel-based alloy weld material corresponding to the nickel-based alloy from which the pipe nipples are made is used.
- the welding material for welding the connection lines to the pipe nipples may correspond to that which is also used to weld the pipe nipples into the container wall.
- FIG. 1 schematically shows the unheated area of a steam generator with connecting lines 15 between the heating surfaces and collector nipple, collector 17 and in the Connection between connecting lines 15 and collector 17 welded conventional welding connectors 14 shown.
- Fig. 2 shows a schematic longitudinal sectional view of a conventional collector 17 with the conventional black and white connectors 14 welded to the collector nipples 16, and
- Fig. 3 shows an example of a black and white connector 14.
- FIG. 4 is a sectional view of a weld according to the invention from collector wall 2 and pipe nipple 1 can be seen.
- FIG. 5 shows a sectional view of a collector 5 according to the invention with tube nipples 1 made of a nickel-based alloy and with steam generator connection lines 15 welded thereto.
- Fig. 6 shows a sectional view of a welded joint according to the invention between pipe nipple (1) and container wall (2) on the one hand and pipe nipple (1) and connecting line (15) on the other.
- the cylindrical nipple 1 made of a nickel-based alloy is inserted in the enlarged diameter outer portion 7 of a stepped connecting hole 6 in such a way and welded to the container wall 2 by means of a fillet weld 3, that between the inner end face of the pipe nipple 1 and the annular bottom of the outer portion 7 of the connection bore 6 remains an axial gap 4 as an expansion gap.
- the steam generator connecting lines 15 can be welded directly to the pipe nipples 1 according to FIG. 5. Thereby are for each of the Connecting lines 15 only two welds required, of which the weld 3 is located directly at the transition from the nickel-based alloy of the pipe nipple 1 to the container wall 2.
- this may itself be made of a material of a nickel-based alloy.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Metallurgy (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Heat Treatment Of Articles (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL05769368T PL1769195T3 (pl) | 2004-07-05 | 2005-07-04 | Uzyskiwanie połączenia między powierzchniami grzejnymi generatora pary a kolektorem i/lub dystrybutorem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004032611A DE102004032611A1 (de) | 2004-07-05 | 2004-07-05 | Herstellung einer Verbindung zwischen Dampferzeuger-Heizflächen und einem Sammler und/oder Verteiler |
PCT/DE2005/001174 WO2006005306A1 (fr) | 2004-07-05 | 2005-07-04 | Realisation d'une connexion entre des surfaces chauffantes d'un generateur de vapeur et un collecteur et/ou un repartiteur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1769195A1 true EP1769195A1 (fr) | 2007-04-04 |
EP1769195B1 EP1769195B1 (fr) | 2010-09-22 |
Family
ID=35058368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05769368A Active EP1769195B1 (fr) | 2004-07-05 | 2005-07-04 | Realisation d'une connexion entre des surfaces chauffantes d'un generateur de vapeur et un collecteur et/ou un repartiteur |
Country Status (13)
Country | Link |
---|---|
US (1) | US7533633B2 (fr) |
EP (1) | EP1769195B1 (fr) |
AT (1) | ATE482363T1 (fr) |
AU (1) | AU2005262109B2 (fr) |
CA (1) | CA2572518A1 (fr) |
DE (2) | DE102004032611A1 (fr) |
ES (1) | ES2353393T3 (fr) |
HR (1) | HRP20100704T1 (fr) |
PL (1) | PL1769195T3 (fr) |
PT (1) | PT1769195E (fr) |
RS (1) | RS51533B (fr) |
WO (1) | WO2006005306A1 (fr) |
ZA (1) | ZA200700986B (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2876832B1 (fr) * | 2004-10-15 | 2007-02-02 | Framatome Anp Sas | Element de tuyauterie en forme de t d'un circuit auxiliaire d'un reacteur nucleaire, piece de raccordement et procede de realisation et de montage de l'element de tuyauterie |
US20090130001A1 (en) * | 2007-11-16 | 2009-05-21 | General Electric Company | Methods for fabricating syngas cooler platens and syngas cooler platens |
DE102008047784A1 (de) * | 2008-07-02 | 2010-01-07 | Hitachi Power Europe Gmbh | Membranwand eines Großdampferzeugers |
DE102008037085B3 (de) | 2008-08-08 | 2009-08-06 | Alstom Technology Ltd. | Verfahren zur Herstellung von Dampferzeuger-Rohrwänden bestehend aus überwiegend 9-12% chromhaltigen, martensitischen Stählen |
JP5320010B2 (ja) * | 2008-10-07 | 2013-10-23 | 三菱重工業株式会社 | 管寄せ管台の溶接構造 |
EP2322854B1 (fr) * | 2009-11-17 | 2013-09-04 | Balcke-Dürr GmbH | Echangeur thermique pour la production de vapeur pour les centrales solaires |
JP5241794B2 (ja) * | 2010-10-15 | 2013-07-17 | 株式会社神戸製鋼所 | 圧力容器 |
US9459006B2 (en) * | 2012-05-22 | 2016-10-04 | Alstom Technology Ltd | Radial nozzle assembly for a pressure vessel |
CN105066099A (zh) * | 2015-08-05 | 2015-11-18 | 上海锅炉厂有限公司 | 一种超620℃蒸汽参数超超临界机组锅炉的集箱 |
CN105003903A (zh) * | 2015-08-05 | 2015-10-28 | 上海锅炉厂有限公司 | 一种650℃以上超高蒸汽参数机组的锅炉集箱 |
CN105066098A (zh) * | 2015-08-05 | 2015-11-18 | 上海锅炉厂有限公司 | 超620℃蒸汽参数超超临界机组锅炉的集箱 |
CN105066104A (zh) * | 2015-08-05 | 2015-11-18 | 上海锅炉厂有限公司 | 一种620摄氏度蒸汽参数机组的锅炉集箱管座 |
CN110142525B (zh) * | 2019-05-16 | 2021-02-02 | 东方电气集团东方锅炉股份有限公司 | 一种骑座式大管座焊接方法 |
US11346544B2 (en) * | 2019-09-04 | 2022-05-31 | General Electric Company | System and method for top platform assembly of heat recovery steam generator (HRSG) |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL84739C (fr) * | ||||
US1889874A (en) * | 1931-03-27 | 1932-12-06 | Linde Air Prod Co | Nozzle mounting |
DE690630C (de) * | 1936-04-06 | 1940-05-03 | Bruno Belohlavek | Verfahren zum Anschweissen duennwandiger Rohre an dickwandige Behaelter, Sammelkammern o. dgl. |
US2216033A (en) * | 1938-06-01 | 1940-09-24 | Kellogg M W Co | Method of forming lined connectors |
US2203357A (en) * | 1938-10-08 | 1940-06-04 | Babcock & Wilcox Co | Pressure vessel connection |
US2271652A (en) * | 1939-07-01 | 1942-02-03 | Babcock & Wilcox Co | Welded pressure vessel |
GB678549A (en) * | 1950-01-20 | 1952-09-03 | Walther & Cie Ag | Improvements in or relating to tube connections for pressure vessels |
CH383706A (de) * | 1960-08-18 | 1964-10-31 | Sulzer Ag | Dichtende Verbindung eines austenitischen Teils mit einem austenitisch plattierten, ferritischen Teil |
US4130931A (en) * | 1976-02-11 | 1978-12-26 | Arcos Corporation | Electroslag boss and process |
DE2940029C2 (de) * | 1979-10-03 | 1984-03-29 | Klein, Schanzlin & Becker Ag, 6710 Frankenthal | Kreiselpumpengehäuse |
US4444157A (en) * | 1982-12-10 | 1984-04-24 | Exxon Research And Engineering Co. | Liquid cooled tube supports |
US4505420A (en) * | 1983-02-15 | 1985-03-19 | Phillips Petroleum Company | Welding spacer |
US4579171A (en) * | 1983-03-04 | 1986-04-01 | Chicago Bridge & Iron Company | Shell and tube heat exchanger with welds joining the tubes to tube sheet |
US4526137A (en) * | 1984-03-05 | 1985-07-02 | The Babcock & Wilcox Company | Thermal sleeve for superheater nozzle to header connection |
US4777911A (en) * | 1986-06-17 | 1988-10-18 | Westinghouse Electric Corp. | Stayrod configuration for facilitating steam generator sludge lancing |
CA2178524C (fr) * | 1996-06-07 | 2007-07-03 | Howard John Lawrence | Tube de protection de chaudiere |
JP3882964B2 (ja) * | 1996-11-30 | 2007-02-21 | 臼井国際産業株式会社 | コモンレールにおける分岐接続体の接続構造 |
US5950575A (en) * | 1997-11-14 | 1999-09-14 | Simons; David | Hydronic manifold |
US6495268B1 (en) * | 2000-09-28 | 2002-12-17 | The Babcock & Wilcox Company | Tapered corrosion protection of tubes at mud drum location |
US7011343B1 (en) * | 2002-10-11 | 2006-03-14 | Shah Nitin J | Socket-welded pipe joint |
-
2004
- 2004-07-05 DE DE102004032611A patent/DE102004032611A1/de not_active Ceased
-
2005
- 2005-07-04 RS RSP-2010/0556A patent/RS51533B/en unknown
- 2005-07-04 US US11/631,746 patent/US7533633B2/en active Active
- 2005-07-04 EP EP05769368A patent/EP1769195B1/fr active Active
- 2005-07-04 AU AU2005262109A patent/AU2005262109B2/en not_active Expired - Fee Related
- 2005-07-04 ES ES05769368T patent/ES2353393T3/es active Active
- 2005-07-04 CA CA002572518A patent/CA2572518A1/fr not_active Abandoned
- 2005-07-04 PL PL05769368T patent/PL1769195T3/pl unknown
- 2005-07-04 DE DE502005010292T patent/DE502005010292D1/de active Active
- 2005-07-04 WO PCT/DE2005/001174 patent/WO2006005306A1/fr active Application Filing
- 2005-07-04 PT PT05769368T patent/PT1769195E/pt unknown
- 2005-07-04 AT AT05769368T patent/ATE482363T1/de active
-
2007
- 2007-02-02 ZA ZA200700986A patent/ZA200700986B/xx unknown
-
2010
- 2010-12-20 HR HR20100704T patent/HRP20100704T1/hr unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2006005306A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2006005306A1 (fr) | 2006-01-19 |
RS51533B (en) | 2011-06-30 |
ES2353393T3 (es) | 2011-03-01 |
DE102004032611A1 (de) | 2006-02-02 |
EP1769195B1 (fr) | 2010-09-22 |
PL1769195T3 (pl) | 2011-03-31 |
ZA200700986B (en) | 2008-12-31 |
CA2572518A1 (fr) | 2006-01-19 |
DE502005010292D1 (de) | 2010-11-04 |
AU2005262109A1 (en) | 2006-01-19 |
ATE482363T1 (de) | 2010-10-15 |
PT1769195E (pt) | 2010-12-29 |
AU2005262109B2 (en) | 2010-07-08 |
US20070221144A1 (en) | 2007-09-27 |
US7533633B2 (en) | 2009-05-19 |
HRP20100704T1 (hr) | 2011-01-31 |
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