CN105537385A - Integral forming method for water chamber sealing head on turbine condenser water chamber - Google Patents
Integral forming method for water chamber sealing head on turbine condenser water chamber Download PDFInfo
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- CN105537385A CN105537385A CN201510897610.0A CN201510897610A CN105537385A CN 105537385 A CN105537385 A CN 105537385A CN 201510897610 A CN201510897610 A CN 201510897610A CN 105537385 A CN105537385 A CN 105537385A
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- water chamber
- head
- turbine condenser
- pipeline section
- steam turbine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to an integral forming method for a water chamber sealing head on a turbine condenser water chamber, and belongs to the field of machining. The integral forming method aims to solve the problems that the water chamber sealing head on the turbine condenser water chamber has the problems that the number of manufacturing processes is large, the cost is high and the production period is long in the prior art. The water chamber sealing head comprises an ellipsoidal head 1 and a pipe section 2, wherein the ellipsoidal head 1 and the pipe section 2 are connected together. The integral forming method for the water chamber sealing head comprises the steps of 1, drawing a straight section 1' at the opening of the ellipsoidal head 1 for the first time and obtaining a gradual expanding section 2'; 2, drawing the gradual expanding section 2' inwards for the second time, carrying out flanging treatment on the gradual expanding section 2' inwards and obtaining a preliminary forming pipe section 2''; 3, drawing the preliminary forming pipe section 2'' inwards for the third time, then carrying out flanging treatment on the preliminary forming pipe section 2'' inwards, carrying out spinning and patching and finally obtaining the final pipe section 2. The integral forming method is suitable for turbine condensers.
Description
Technical field
The present invention relates to a kind of integrated method of water chamber head on steam turbine condenser hydroecium, belong to field of machining.
Background technology
Usually welding manner is adopted to be connected together by two parts to the end socket on steam turbine condenser hydroecium and pipeline section, and carry out radiographic inspection inspection at postwelding butt welded seam by JB/T4730.2, end socket manufacture operation on steam turbine condenser hydroecium is more, manufacturing cost is higher, and requiring higher to the technical merit of welding operating personnel, the production cycle is longer.
Summary of the invention
The present invention is many in order to solve manufacturing process, manufacturing cost is high, and the manufacturing cycle of part is long, high-level welding personnel shortage hand-manipulated, existing equipment utilizes irrational problem, and then proposes a kind of integrated method of water chamber head on steam turbine condenser hydroecium.
Water chamber head comprises the ellipse head 1 and pipeline section 2 that link together, and the integrated method step of the water chamber head on steam turbine condenser hydroecium is as follows:
Step one, straight section 1 ＇ of the opening part of ellipse head 1 carried out to first time and stretch, obtain divergent segment 2 ＇, the angle of the bus of divergent segment 2 ＇ and the bus of straight section 1 ＇ is 30 degree ~ 40 degree;
Step 2, carry out inwardly second time stretch to divergent segment 2 ＇, inwardly carry out flange process to divergent segment 2 ＇, obtain just shaping pipeline section 2 ＇ ＇, the angle of the first bus of shaping pipeline section 2 ＇ ＇ and the bus of straight section 1 ＇ is 5 degree ~ 10 degree;
Step 3, first shaping pipeline section 2 ＇ ＇ carried out to inwardly third time and stretch, more inwardly carry out flange process, and carry out spinning and repair type, obtain final pipeline section 2, described pipeline section 2 is the constant straight tubes in aperture.
Beneficial effect of the present invention:
Copper-nickel alloy plate sheet material carry out stretching for three times on forcing press and spinning machine directly by end socket and pipeline section stretching integral shaping, reduce unnecessary processing, welding, flaw detection workload, better Improving The Quality of Products.
Accompanying drawing explanation
Fig. 1 is the integrated structure chart of water chamber head on steam turbine condenser hydroecium;
Fig. 2-Fig. 4 is the integrated flow chart of steps of water chamber head on steam turbine condenser hydroecium;
Fig. 2 carries out first time stretching to straight section 1 ＇ of the opening part of ellipse head 1, obtains the structure chart of divergent segment 2 ＇;
Fig. 3 carries out inwardly second time to divergent segment 2 ＇ to stretch, and inwardly carries out flange process, obtain the structure chart of just shaping pipeline section 2 ＇ ＇ to divergent segment 2 ＇;
Fig. 4 carries out inwardly third time to first shaping pipeline section 2 ＇ ＇ to stretch, more inwardly carries out flange process, and carries out spinning and repair type, obtains the structure chart of final pipeline section 2.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 to Fig. 4 illustrates present embodiment;
The integrated method of water chamber head on a kind of steam turbine condenser hydroecium described in present embodiment, it is characterized in that, described water chamber head comprises the ellipse head 1 and pipeline section 2 that link together, and the integrated method step of the water chamber head on steam turbine condenser hydroecium is as follows:
Step one, straight section 1 ＇ of the opening part of ellipse head 1 carried out to first time and stretch, obtain divergent segment 2 ＇, the angle of the bus of divergent segment 2 ＇ and the bus of straight section 1 ＇ is 30 degree ~ 40 degree;
Step 2, carry out inwardly second time stretch to divergent segment 2 ＇, inwardly carry out flange process to divergent segment 2 ＇, obtain just shaping pipeline section 2 ＇ ＇, the angle of the first bus of shaping pipeline section 2 ＇ ＇ and the bus of straight section 1 ＇ is 5 degree ~ 10 degree;
Step 3, first shaping pipeline section 2 ＇ ＇ carried out to inwardly third time and stretch, more inwardly carry out flange process, and carry out spinning and repair type, obtain final pipeline section 2, described pipeline section 2 is the constant straight tubes in aperture.
The beneficial effect of present embodiment:
Copper-nickel alloy plate sheet material carry out stretching for three times on forcing press and spinning machine directly by end socket and pipeline section stretching integral shaping, reduce unnecessary processing, welding, flaw detection workload, better Improving The Quality of Products.
Detailed description of the invention two: present embodiment is different from detailed description of the invention one, it is characterized in that, water chamber head 1 on described steam turbine condenser hydroecium is made up of the copper-nickel alloy plate of model BFe30-1-1, copper-nickel alloy plate is heated to 900 DEG C, hot-formingly make ellipse head, the internal diameter φ of ellipse head is 1500mm, and the thickness T of ellipse head is 14mm, is 25mm at the height h of the straight flange of ellipse head opening part.
Detailed description of the invention three: present embodiment is different from detailed description of the invention one, it is characterized in that, the described pipeline section 2 linked together with ellipse head 1 height H that stretches is 110mm ~ 220mm.
Detailed description of the invention four: present embodiment is different from detailed description of the invention one, it is characterized in that, integrated three stretchings of described water chamber head all adopt the spinning machine of the forcing press of 1000 tonnages and 1000 tonnages to stretch.
Claims (4)
1. the integrated method of water chamber head on a steam turbine condenser hydroecium, described water chamber head comprises the ellipse head (1) and pipeline section (2) that link together, it is characterized in that, the integrated method step of the water chamber head on steam turbine condenser hydroecium is as follows:
Step one, the straight section (1 ＇) of the opening part of ellipse head (1) carried out to first time and stretch, obtain divergent segment (2 ＇), the angle of the bus of divergent segment (2 ＇) and the bus of straight section (1 ＇) is 30 degree ~ 40 degree;
Step 2, inwardly second time is carried out to divergent segment (2 ＇) stretch, inwardly flange process is carried out to divergent segment (2 ＇), obtain just being shaped pipeline section (2 ＇ ＇), the angle of the bus of the pipeline section that is just shaped (2 ＇ ＇) and the bus of straight section (1 ＇) is 5 degree ~ 10 degree;
Step 3, the pipeline section that is just shaped (2 ＇ ＇) carried out to inwardly third time and stretch, more inwardly carry out flange process, and carry out spinning and repair type, obtain final pipeline section (2), described pipeline section (2) is the constant straight tube in aperture.
2. the integrated method of water chamber head on steam turbine condenser hydroecium according to claim 1, it is characterized in that, water chamber head (1) on described steam turbine condenser hydroecium is made up of the copper-nickel alloy plate of model BFe30-1-1, copper-nickel alloy plate is heated to 900 DEG C, hot-formingly make ellipse head, the internal diameter φ of ellipse head is 1500mm, and the thickness T of ellipse head is 14mm, is 25mm at the height h of the straight section (1 ＇) of ellipse head opening part.
3. the integrated method of water chamber head on steam turbine condenser hydroecium according to claim 1, is characterized in that, described pipeline section (2) the stretching height H linked together with ellipse head (1) is 110mm ~ 220mm.
4. the integrated method of water chamber head on steam turbine condenser hydroecium according to claim 1, is characterized in that, integrated three stretchings of described water chamber head all adopt the spinning machine of the forcing press of 1000 tonnages and 1000 tonnages to stretch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510897610.0A CN105537385B (en) | 2015-12-08 | 2015-12-08 | A kind of water chamber head integrally formed method on steam turbine condenser hydroecium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510897610.0A CN105537385B (en) | 2015-12-08 | 2015-12-08 | A kind of water chamber head integrally formed method on steam turbine condenser hydroecium |
Publications (2)
| Publication Number | Publication Date |
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| CN105537385A true CN105537385A (en) | 2016-05-04 |
| CN105537385B CN105537385B (en) | 2017-07-18 |
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| CN201510897610.0A Active CN105537385B (en) | 2015-12-08 | 2015-12-08 | A kind of water chamber head integrally formed method on steam turbine condenser hydroecium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641688A (en) * | 2016-06-27 | 2017-05-10 | 神华集团有限责任公司 | Buffer tank |
Citations (5)
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| US3919756A (en) * | 1972-08-14 | 1975-11-18 | Saab Scania Ab | Ball plug valve and method of making the same |
| JP2679412B2 (en) * | 1990-12-27 | 1997-11-19 | 日産自動車株式会社 | Body panel molding method |
| CN101092015A (en) * | 2007-08-09 | 2007-12-26 | 航天材料及工艺研究所 | Method for manufacturing large size, thin walled cap seal head made from TC4 titanium alloy with high precision |
| CN102248362A (en) * | 2011-04-30 | 2011-11-23 | 泰安广大化工机械有限公司 | Method for manufacturing end socket of voltage stabilizer for nuclear power |
| CN103071974A (en) * | 2012-12-27 | 2013-05-01 | 中信重工机械股份有限公司 | Method for forming integral deformed seal head |
-
2015
- 2015-12-08 CN CN201510897610.0A patent/CN105537385B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3919756A (en) * | 1972-08-14 | 1975-11-18 | Saab Scania Ab | Ball plug valve and method of making the same |
| JP2679412B2 (en) * | 1990-12-27 | 1997-11-19 | 日産自動車株式会社 | Body panel molding method |
| CN101092015A (en) * | 2007-08-09 | 2007-12-26 | 航天材料及工艺研究所 | Method for manufacturing large size, thin walled cap seal head made from TC4 titanium alloy with high precision |
| CN102248362A (en) * | 2011-04-30 | 2011-11-23 | 泰安广大化工机械有限公司 | Method for manufacturing end socket of voltage stabilizer for nuclear power |
| CN103071974A (en) * | 2012-12-27 | 2013-05-01 | 中信重工机械股份有限公司 | Method for forming integral deformed seal head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641688A (en) * | 2016-06-27 | 2017-05-10 | 神华集团有限责任公司 | Buffer tank |
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| CN105537385B (en) | 2017-07-18 |
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