WO2018007036A1 - Dampferzeugerrohr mit dralleinbaukörper - Google Patents
Dampferzeugerrohr mit dralleinbaukörper Download PDFInfo
- Publication number
- WO2018007036A1 WO2018007036A1 PCT/EP2017/059227 EP2017059227W WO2018007036A1 WO 2018007036 A1 WO2018007036 A1 WO 2018007036A1 EP 2017059227 W EP2017059227 W EP 2017059227W WO 2018007036 A1 WO2018007036 A1 WO 2018007036A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steam generator
- generator tube
- increase
- installation body
- pipe
- Prior art date
Links
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
- F22B37/101—Tubes having fins or ribs
- F22B37/103—Internally ribbed tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
Definitions
- the invention relates to a steam generator tube for the production of a steam generator tube with mounting body and a method for producing a steam generator tube with mounting body.
- the internal ribbing of the tubes is made according to the prior art by a cold drawing process.
- ⁇ nisstand inner finned tubes can be made 5 "6 only with materials with a maximum chromium content ⁇ . If the use of internally ribbed tubes made of high alloy chrome steel for example, by a further increase of the steam parameters necessary, the inner grooved tubes with the can production processes available today are not produced with consistently good quality.
- WO 2011/151135 A2 discloses the manufacture and assembly of a spin fit body in a smooth evaporator tube.
- EP 2 390 567 A1 discloses a method for producing steam generator tubes, in which an installation body is fixed in grooves of a template shaft, the template shaft with the installation body is introduced into a steam generator tube, the fixation of the installation body on the template shaft is released and the stencil shaft is removed again from the steamer ⁇ zeugerrohr.
- the DE 10 2012 219 898 B4 finally occupies a Wi derstandsyak spaapparat for fixing a twist ⁇ mounting body on a inner wall of a steam generator tube and discloses the application of the resistance welding method for producing a connection between the pipe and fitting body. It turns out, however, that the quality of the achieved
- the mounting body has a high rigidity and it is largely close to the pipe inner wall as soon as the stencil shaft was rotated out of the pipe.
- the contact with the pipe wall is not guaranteed at all points due to tolerances of the pipe and the installation body.
- the electrode of the welding lance pressed against the wire of the mounting body to the tube inner wall above ei ⁇ NEN hydraulic cylinder before switching on the welding current. Nevertheless, there is no guarantee that exactly and only to the welding electrode, an electrically conductive contact surface Zvi ⁇ rule is made installation body and the pipe inside.
- the object of the invention is to provide a steam generator tube, with a consistently good quality of
- Another object of the invention is to provide a corre sponding ⁇ method.
- the invention solves the addressed to a steam generator tube task by providing that, in such a steam generator tube ⁇ for the production of a steam generator tube with a spiral-shaped mounting body on the inside of the
- Steam generator tube extends an increase in the axial direction of the steam generator tube.
- the invention is based on the realization that a contact area between ⁇ mounting body and inner pipe wall is exactly required at the welding electrode, so that adequate gu ⁇ te quality of the weld advertising reproducibly prepared the can. According to the invention it is therefore proposed that a comparatively small increase is produced in the inner tube wall prior to the introduction of the swirl mounting body, and that the welding of the mounting body is carried out exactly on this raised stabili ⁇ hung.
- the local contact pressure acts on wel ⁇ cher through the electrode and flowing in the welding current is produced.
- the chromium content of the steam generator tube is more than 5%.
- Steam generator tubes for steam generators with comparatively high steam parameters require the use of steels with a chromium content of more than 5%. Corresponding reliable manufacturing processes are not known, so that the extra effort for the provision of such a pipe is justified with increase.
- the increase is less than 1 mm in the radial direction relative to the steam generator tube. The increase thus remains relatively small and must essentially compensate only for manufacturing tolerances.
- the increase extends over an area in which an installation body is to be arranged in the steam generator tube. This ensures that optimum welding conditions exist at each welding point.
- the object directed to a method is achieved by a method for producing a steam generator tube with
- the steam generator tube is made with increase by cold drawing. In a large-scale process, it is thus possible that the special shape of the inside is largely integrated cost-neutral already in the manufacturing process of the semifinished product.
- stamp the increase with a stamp in particular with a hydraulic stamp.
- the installation body is spiral-shaped and is welded at several points on the elevation 5.
- an internally referenced steam generator tube can be produced even for comparatively high steam parameters.
- Figure 1 shows an inventive steam generator tube with raised stabili ⁇ hung
- Figure 2 shows an inventive steam generator tube with spiral ⁇ shaped body
- FIG. 3 shows a flowchart of the method according to the invention 1 shows schematically and by way of example a steam generator tube 1 for the production of a steam generator tube 2 shown in FIG. 2 with a spiral installation body 3.
- an elevation 5 extends in the axial direction of the steam generator tube 1, namely Figure 2 shows, in which the spiral installation body 3 is arranged over the GESAM ⁇ th region.
- the mounting body 3 is welded at a plurality of contact points 6 with the elevation 5.
- FIG. 3 shows schematically the individual steps of the manufacturer ⁇ averaging method according to the invention.
- step A is a steam generator tube 1 with a longitudinal direction of the
- step B of the mounting body 3 is initially introduced and then published in step C in the steam generator tube 1 on the elevation 5 welded, so that a steam generator tube 2 with installation body 3 is formed.
- a swirl installation body 3 having a plurality of turns, it is also at a plurality of contact points ⁇ 6 between swirl mounting body 3 and 5 increasing welded.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/089,588 US11512849B2 (en) | 2016-07-07 | 2017-04-19 | Steam generator pipe having a turbulence installation body |
PL17720704T PL3458774T3 (pl) | 2016-07-07 | 2017-04-19 | Rura wytwornicy pary z wkładem śrubowym |
JP2018564915A JP6765453B2 (ja) | 2016-07-07 | 2017-04-19 | 乱流設置体を有する蒸気発生パイプ |
KR1020197003040A KR102230073B1 (ko) | 2016-07-07 | 2017-04-19 | 터빈 설치 바디를 갖는 증기 발생기 파이프 |
MYPI2019000243A MY194402A (en) | 2016-07-07 | 2017-04-19 | Steam generator pipe having a turbulence installation body |
EP17720704.0A EP3458774B1 (de) | 2016-07-07 | 2017-04-19 | Dampferzeugerrohr mit dralleinbaukörper |
CN201780042251.8A CN109416172B (zh) | 2016-07-07 | 2017-04-19 | 具有涡旋式安装体的蒸汽发生器管 |
RU2018145547A RU2699841C1 (ru) | 2016-07-07 | 2017-04-19 | Способ изготовления трубы парогенератора со встроенным элементом для завихрения |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016212416.1 | 2016-07-07 | ||
DE102016212416 | 2016-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018007036A1 true WO2018007036A1 (de) | 2018-01-11 |
Family
ID=58664650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2017/059227 WO2018007036A1 (de) | 2016-07-07 | 2017-04-19 | Dampferzeugerrohr mit dralleinbaukörper |
Country Status (9)
Country | Link |
---|---|
US (1) | US11512849B2 (de) |
EP (1) | EP3458774B1 (de) |
JP (1) | JP6765453B2 (de) |
KR (1) | KR102230073B1 (de) |
CN (1) | CN109416172B (de) |
MY (1) | MY194402A (de) |
PL (1) | PL3458774T3 (de) |
RU (1) | RU2699841C1 (de) |
WO (1) | WO2018007036A1 (de) |
Citations (4)
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JPH0579782A (ja) * | 1991-07-09 | 1993-03-30 | Mitsubishi Shindoh Co Ltd | 内面溝付伝熱管 |
EP2390567A1 (de) | 2010-05-31 | 2011-11-30 | Siemens Aktiengesellschaft | Verfahren zum Herstellen von Dampferzeugerrohren |
DE102012219898B4 (de) | 2012-10-31 | 2014-09-11 | Siemens Aktiengesellschaft | Widerstandspunktschweißapparat |
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2017
- 2017-04-19 JP JP2018564915A patent/JP6765453B2/ja not_active Expired - Fee Related
- 2017-04-19 MY MYPI2019000243A patent/MY194402A/en unknown
- 2017-04-19 US US16/089,588 patent/US11512849B2/en active Active
- 2017-04-19 EP EP17720704.0A patent/EP3458774B1/de active Active
- 2017-04-19 RU RU2018145547A patent/RU2699841C1/ru active
- 2017-04-19 WO PCT/EP2017/059227 patent/WO2018007036A1/de unknown
- 2017-04-19 KR KR1020197003040A patent/KR102230073B1/ko active IP Right Grant
- 2017-04-19 PL PL17720704T patent/PL3458774T3/pl unknown
- 2017-04-19 CN CN201780042251.8A patent/CN109416172B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3231318A1 (de) * | 1982-08-23 | 1984-03-01 | Kurt 7520 Bruchsal Heim | Innenrippenrohr fuer druckgas - oder druckoelbeheizte heizkessel |
JPH0579782A (ja) * | 1991-07-09 | 1993-03-30 | Mitsubishi Shindoh Co Ltd | 内面溝付伝熱管 |
EP2390567A1 (de) | 2010-05-31 | 2011-11-30 | Siemens Aktiengesellschaft | Verfahren zum Herstellen von Dampferzeugerrohren |
WO2011151135A2 (de) | 2010-05-31 | 2011-12-08 | Siemens Aktiengesellschaft | Verfahren zum herstellen von dampferzeugerrohren |
DE102012219898B4 (de) | 2012-10-31 | 2014-09-11 | Siemens Aktiengesellschaft | Widerstandspunktschweißapparat |
Also Published As
Publication number | Publication date |
---|---|
KR102230073B1 (ko) | 2021-03-19 |
US11512849B2 (en) | 2022-11-29 |
RU2699841C1 (ru) | 2019-09-11 |
CN109416172A (zh) | 2019-03-01 |
US20190120482A1 (en) | 2019-04-25 |
JP6765453B2 (ja) | 2020-10-07 |
KR20190022848A (ko) | 2019-03-06 |
CN109416172B (zh) | 2021-06-08 |
MY194402A (en) | 2022-11-30 |
EP3458774A1 (de) | 2019-03-27 |
EP3458774B1 (de) | 2020-06-24 |
PL3458774T3 (pl) | 2021-01-11 |
JP2019520541A (ja) | 2019-07-18 |
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