CN102628151A - Zirconium plate flange production method - Google Patents
Zirconium plate flange production method Download PDFInfo
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- CN102628151A CN102628151A CN2012101358397A CN201210135839A CN102628151A CN 102628151 A CN102628151 A CN 102628151A CN 2012101358397 A CN2012101358397 A CN 2012101358397A CN 201210135839 A CN201210135839 A CN 201210135839A CN 102628151 A CN102628151 A CN 102628151A
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Abstract
A zirconium plate flange production method adopts the following steps: in the process of flange production, a flange ring and a die are heated together before pressing, annealing treatment is carried out after pressing, and thereby the production quality and service performance of a flange are guaranteed; before heating and annealing heat treatment, high-temperature oxidation-resistant coating is coated on the inner and the outer surfaces of zirconium plate flange material, and annealing is carried out in an electric heat treatment furnace which is filled up with insert gas and has good sealing property. According to zirconium plates with different thicknesses and specifications, the heating before pressing is carried out at the temperature ranging from 480 DEG C to 550 DEG C for 1 to 1.5 hours; and the annealing treatment after press forming is carried out at the temperature ranging from 510 DEG C to 560 DEG C for 1 to 2 hours, and is decreased along with the temperature of the furnace. The zirconium plate flange production method ensures that the stress of the R60702 flange is uniformly distributed, guarantees the quality of the flange, particularly the quality of the area with large deformation, and guarantees the service performance of the R60702 flange.
Description
Technical field
The present invention relates toThe making of R60702 flange, the especially manufacture craft of R60702 flange.Supply zirconium plate R6070
Nonstandard tailor-make product output 50000 products of trade mark 60702 zirconium pipe product type R60702 product specifications.
Background technology
Zirconium plate R60702 (zirconium plate, R60702 are typical models) is a kind of reactive metal, and oxygen is had very high avidity, in the air of room temperature, can form the protection sull, and this layer protection sull makes R60702 and alloy thereof have good corrosion resistance.Have excellent corrosion resistance, a lot of corrosive mediums are had very strong drag, have good mechanical performance and heat transfer property again simultaneously, make it become the excellent anti-corrosion structured material of current petrochemical industry.Industry zirconium product is widely used in all kinds of anti-corrosion processing units, and main the application comprises pressurized vessel, interchanger, pipeline etc., because the R60702 material cost is high; Expensive has adopted zirconium steel compound structure under many circumstances, and the R60702 flange is an indispensable part in the zirconium steel compound structure; But in making processes; Modal is but that the R60702 flange defective occurs and is difficult for reprocessing, and is easy to generate leakage during use owing to the relatively poor tiny crack that causes of statue.Quality problems such as crackle on the make appear in R60702 flange easily, and yield rate is low.
Summary of the invention
The present invention seeks to:In making processes, be easy to generate crackle for solving zirconium plate R60702 flange, the invention provides a kind of manufacture craft of R60702 flange.
Technical scheme of the present invention is: the flanged edge making method of zirconium plate; It is characterized in that adopting following steps: in the flanged edge making process; Adopt preceding turnup ring of compacting and mold integral heating; The compacting after annealing is handled, and guarantees the quality of production and the use properties of flange: the heating before the compacting is that turnup ring is heated to certain temperature with mould, and anneal is to adopt integrally annealed to recover and improve the manufacture craft of mechanical property after the compression moulding; Heating and annealing should need the material surfaces externally and internally of flange to be coated with high-temp antioxidizing paint at zirconium plate R60702 before the thermal treatment, and annealing should be carried out in the electric heat treating furnace being full of rare gas element, sealing property preferably.Thickness and specification according to the zirconium plate are different, and the heating before the compacting is incubated 1 ~ 1.5 hour in 480 ℃ ~ 550 ℃ TR; Anneal after the compression moulding, insulation is 1 ~ 2 hour in 510 ℃ ~ 560 ℃ TR, furnace cooling.
Die mould after the heating before the compacting: the zirconium plate that has mesopore places between lower mould and the patrix, and the plug of mould to having the zirconium plate flange moulding of mesopore, and is being full of the electric heat treating furnace of rare gas element by press counterdie and patrix.In R60702 flanged edge making process, the technology that adopts the preceding hot briquetting after annealing of flange to handle, the quality of production and the use properties of assurance flange: in 480 ℃ ~ 550 ℃ TR, be incubated 1 ~ 1.5 hour behind the die mould; The moulding aftertreatment, insulation is 1 ~ 2 hour in 510 ℃ ~ 560 ℃ TR, and furnace cooling is even with the stress distribution that guarantees the R60702 flange, guarantees the flange quality, especially the quality in the big zone of deflection.Guarantee the quality of production and the use properties of flange:
The invention has the beneficial effects as follows: blank and mold integral heating before the compacting; The manufacture craft that adopts integrally annealed to handle after the compression moulding, but the anneal stove must be inhaled hydrogen, oxygen uptake embrittlement to prevent flange R60702 material in heat treatment process for being full of rare gas element, sealing property electric furnace preferably; The stress distribution that guarantees the R60702 flange is even; Guarantee the flange quality, especially deflection has been guaranteed the use properties of R60702 flange than the quality in big zone.
Description of drawings
Fig. 1 is the structural representation of this zirconium plate R60702 flanged edge making technology.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is described.
Among the figure: 1. counterdie, 2. patrix, 3. plug, 4. flange, 5. be full of the electric heat treating furnace of rare gas element.
The R60702 flange is after starting material are reviewed the conformance with standard requirement, and by processing requirement blanking moulding, the ring flat-plate of making flange does not allow splicing; The burr both sides that cleaning R60702 material surface and panel edges exist adopt surperficial 100%PT lossless detection method to detect the R60702 material surface, press the acceptance test of JB/T4730-2005 I level; After nondestructive testing is qualified; Turnup ring and die assembling heat, the processing characteristics of strongthener, and heating need be used electric furnace.After adopting oil press compression moulding, the technology that adopts integrally annealed to handle once more is being full of the thermal treatment in the electric heat treating furnace preferably of rare gas element, sealing property, to eliminate the stress concentration that produces in the R60702 flange pressing process.
The making method that the R60702 flange is concrete; In R60702 flanged edge making process; Heat before adopting compacting; The technology that the moulding after annealing is handled, the quality of production and the use properties of assurance R60702 flange: the heating before the compacting is that turnup ring is heated to certain temperature with mould, anneal is to adopt integrally annealed to recover and improve the manufacture craft of mechanical property after the compression moulding; Heating and annealing should be coated with high-temp antioxidizing paint at R60702 flange material surfaces externally and internally before the thermal treatment, and annealing should be carried out in the electric heat treating furnace being full of rare gas element, sealing property preferably.R60702 flange blank ring and mould are up and down assembled in advance, detected the turnup ring and the concentricity of mould up and down, transfer to concentric back and adopt oil press to compress mould up and down; The arc surface that guarantees turnup ring and upper and lower mould is fitted; Utilize the fixing mould up and down of frock, fix back integral body and put into the electric furnace internal heating, insulation is 1 ~ 1.5 hour in 480 ℃ ~ 550 ℃ TR; The compacting of coming out of the stove fast, air cooling.Anneal after the moulding, insulation is 1 ~ 2 hour in 510 ℃ ~ 560 ℃ TR, and furnace cooling is even with the stress distribution that guarantees the R60702 flange, guarantees the flange quality, especially the quality in the big zone of deflection.The quality of the flange of making by above technology has remarkable difference.
Adopt the flange of this R60702 flanged edge making explained hereafter, through surperficial 100%PT and RT lossless detection method, the acceptance test of pressing JB/T4730-2005, crackle does not appear in the R segmental arc bigger at the deflection of flange, has guaranteed the total quality of R60702 flange.
Claims (1)
1. the flanged edge making method of zirconium plate is characterized in that adopting following steps: in the flanged edge making process, adopt turnup ring and mold integral heating before the compacting, the compacting after annealing is handled, the quality of production and the use properties of assurance flange:
Heating before the compacting is that turnup ring is heated to certain temperature with mould; Anneal is to adopt integrally annealed to recover and improve the manufacture craft of mechanical property after the compression moulding; Heating and annealing should be coated with high-temp antioxidizing paint at zirconium plate flange material surfaces externally and internally before the thermal treatment, and annealing should be carried out in the electric heat treating furnace being full of rare gas element, sealing property preferably; Thickness and specification according to the zirconium plate are different, and the heating before the compacting is incubated 1 ~ 1.5 hour in 480 ℃ ~ 550 ℃ TR; Anneal after the compression moulding, insulation is 1 ~ 2 hour in 510 ℃ ~ 560 ℃ TR, furnace cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101358397A CN102628151A (en) | 2012-05-04 | 2012-05-04 | Zirconium plate flange production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101358397A CN102628151A (en) | 2012-05-04 | 2012-05-04 | Zirconium plate flange production method |
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| CN102628151A true CN102628151A (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101358397A Pending CN102628151A (en) | 2012-05-04 | 2012-05-04 | Zirconium plate flange production method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127677A (en) * | 2015-07-25 | 2015-12-09 | 宝鸡市富源通工贸有限责任公司 | Method for machining zirconium strip through sponge zirconium |
| CN105478554A (en) * | 2015-11-30 | 2016-04-13 | 石家庄飞机工业有限责任公司 | Anti-cracking process during forming and high flanging of 5A06 material plate part |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011717A (en) * | 2006-11-30 | 2007-08-08 | 上海吴泾化工有限公司 | Flanging process of saddle type lining and die |
| CN200995242Y (en) * | 2006-11-30 | 2007-12-26 | 上海吴泾化工有限公司 | Turnup mould with saddle-shaped lining |
| CN101929547A (en) * | 2010-08-04 | 2010-12-29 | 南京宝色股份公司 | Double-integrated sealing structure for pressure container of composite board |
| KR101033401B1 (en) * | 2011-01-04 | 2011-05-09 | 현대하이스코 주식회사 | Heat treating method for comercial quality steel sheet using batch annealing furnace |
| CN102359691A (en) * | 2011-08-31 | 2012-02-22 | 南京三邦金属复合材料有限公司 | TA9 expansion joint manufacturing method |
-
2012
- 2012-05-04 CN CN2012101358397A patent/CN102628151A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011717A (en) * | 2006-11-30 | 2007-08-08 | 上海吴泾化工有限公司 | Flanging process of saddle type lining and die |
| CN200995242Y (en) * | 2006-11-30 | 2007-12-26 | 上海吴泾化工有限公司 | Turnup mould with saddle-shaped lining |
| CN101929547A (en) * | 2010-08-04 | 2010-12-29 | 南京宝色股份公司 | Double-integrated sealing structure for pressure container of composite board |
| KR101033401B1 (en) * | 2011-01-04 | 2011-05-09 | 현대하이스코 주식회사 | Heat treating method for comercial quality steel sheet using batch annealing furnace |
| CN102359691A (en) * | 2011-08-31 | 2012-02-22 | 南京三邦金属复合材料有限公司 | TA9 expansion joint manufacturing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127677A (en) * | 2015-07-25 | 2015-12-09 | 宝鸡市富源通工贸有限责任公司 | Method for machining zirconium strip through sponge zirconium |
| CN105478554A (en) * | 2015-11-30 | 2016-04-13 | 石家庄飞机工业有限责任公司 | Anti-cracking process during forming and high flanging of 5A06 material plate part |
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Application publication date: 20120808 |