CN1864885A - A radial compression applied sealing member processing method - Google Patents
A radial compression applied sealing member processing method Download PDFInfo
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- CN1864885A CN1864885A CN 200510025926 CN200510025926A CN1864885A CN 1864885 A CN1864885 A CN 1864885A CN 200510025926 CN200510025926 CN 200510025926 CN 200510025926 A CN200510025926 A CN 200510025926A CN 1864885 A CN1864885 A CN 1864885A
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Abstract
The invention relates to a method for processing the reducing sealing element. It comprises: first, processing the sealing element; then compressing the sealing element radial; adding the sealing element into reducing mould; processing uniform reducing deform force on the sealing element, while rotating and compressing it at the same time, to make the deformation of reducing neck to 0.8-0.92%. The invention has the advantages that: said sealing element can be used in the electric connection and sealing between the inner and outer parts of support container, especially used in the safe frame of atomic reactor or research reactor, to effectively prevent electric stress power, high temperature, high pressure, temperature change, accumulated radiation, chemical corrosion, and vibrations. It can confirm the sealing and electric properties of support container.
Description
Technical field
The present invention relates to a kind of processing method of radial compression applied sealing member, its seal can be used for the inside and outside facility that is electrically connected and seals of pressure resistant vessel, be specially adapted to occasions such as nuclear power plant reactor containment or research containment vessel, can be under the nominal situation and accident conditions condition of regulation, resist electronic stress, high temperature, high pressure, jump in temperature, accumulation irradiation, chemical attack and various vibration effectively, comprise the impact of earthquake iso-stress, guarantee the sealing and the electric property of pressure resistant vessel.
Background technology
Nuclear reactor safety shell electrical penetration is that a class is used to link up inside and outside being electrically connected of containment, it is external to guarantee again in the shell that issuable radioactive pollution is not leaked to shell, in order to avoid the electrical equipment that personnel's life comes to harm, be electrically connected according to electric pressure and be divided into pressure and the low pressure a few types below the 600V among the 6000V, can be divided into power according to the function of finishing, control, instrument or thermocouple, coaxial or three a few types such as coaxial, in very long life span, bearing various static state or dynamic mechanical stress owing to require it, thermal stress and electronic stress, also to withstand possible irradiation intergal dose to the burn-in effects of material production and long-term material heat ageing influence, therefore for many years, have only the IST company of the U.S. to have the AUXITROL company of single pressure boundary type electrical penetration commodity and France that two pressure boundaries type electrical penetration commodity are arranged abroad, it is investigated new, certain company of Japan also has new patent to release, what material adopted is brium carbonate glass--can cut down sintering, the sealing of realization conductor insulation, the domestic patent that also has Tsing-Hua University to declare, structure has adopted H shape conductor structure assembly, and glass has also been adopted in the conductor insulation sealing--can cut down sintering process.
Epoxyn is all adopted in early stage conductor insulation sealing, insulated enclosure to the thin conductor of multicore is effective, but because current more and more higher nuclear safety requires and the progressive level of material technology has better support to insulated enclosure, better special engineering plastics polysulfones has been adopted in the conductor insulation sealing, polyimides and polyether-ether-ketone one class material are taken on, a common shortcoming of this class material is: poor impact toughness, to the breach sensitivity, adopt the machinery technology of swaging to realize necking deformation, this class material very easily produces bruise, material stress state inhomogeneities radially is bigger, and the many more yield rates of conductor cores number are low more, the machinery power poor stability of swaging, and be difficult to accurate adjusting, therefore, the electrical penetration assembly that this structural manufacturing process material is made, complex manufacturing, yield rate is low, involves great expense.
Can glass is adopted in conductor insulation sealing--though the electrical penetration that cuts down sintering process does not have the influence that the aging character of organic insulation brings, but for for the power type penetration piece of big electric current, the connected mode of employing electric connector has been destroyed the electrical continuity of product requirement, is dangerous insecure.
Summary of the invention
The objective of the invention is to invent and a kind ofly can satisfy withstand high temperatures, high pressure, jump in temperature, the irradiation of anti-accumulation the, fire-retardant, resistance to chemical attack, anti-various vibrations, comprise the impact of earthquake iso-stress, keep cylinder assembly the blowing pressure monitoring of environment and the radial compression applied sealing member processing method of ftercompction function.
For realizing above purpose, technical scheme of the present invention provides a kind of processing method of radial compression applied sealing member, it is characterized in that, seal is implemented balanced necking deformation power, make the whole distortion that produces the undergauge elongation of seal, thereby reach the effect of sealing, its method is:
(1) at first seal is processed:
Median septum with holes is put in the metal jacket pipe, metal jacket pipe two ends suit welding flange with holes, weld seam adopts fluororine-carbon coating to do the processing that the surface prevents chemical attack, the hole centering of median septum and flange, then conductor being passed the hole of median septum and flange puts in the metal jacket pipe, the conductor outer surface is covered with insulating materials, adopt polysulfones or polyether-ether-ketone to realize insulation and sealing between conductor and the metal jacket pipe, the last copper sealing ring that puts chemical nickel plating at the conductor two ends respectively, guiding trim ring and clamp nut, adopt torque spanner to carry out crush seal, at last nitrogen leak detection and ftercompction device are installed on the end flanges access port.
(2) then seal is radially exerted pressure:
Seal is put in the undergauge mould, then seal is implemented balanced necking deformation power, the limit compression, the limit rotation makes the whole 0.8-0.92% that is deformed to that produces the undergauge elongation of seal, reaches the purpose of sealing.
Described conductor is the 10-14 root;
Described undergauge mould by at least two radially one-tenth wait branch angle device for exerting, outer tube and fixed mould to form, the device for exerting that can divide right and left is symmetrically set on the fixed mould, fixed mould is located in the device for exerting.
Described can be hydraulic pressure to the balanced necking deformation power of seal enforcement, also can be the power that air pressure produces.
The present invention adopts seal is implemented balanced necking deformation power method, improved the uniformity of conductor assembly sealing property greatly, be particularly conducive to the quality control in the batch process, can satisfy simultaneously withstand high temperatures, high pressure, jump in temperature, the irradiation of anti-accumulation the, fire-retardant, resistance to chemical attack, anti-various vibrations, comprise the impact of earthquake iso-stress, keep the blowing pressure monitoring and the ftercompction function of cylinder assembly environment.
The present invention compares with above-mentioned existing electrical penetration, has the following advantages:
1. can produce and satisfy the penetration piece assembly that power, control, instrument comprise the various wire gauge conductors of all kinds such as thermocouple type, coaxial or three coaxial types, keep the continuity of assembly conductor;
2. overcome the easy generation bruise that the mechanical technology of swaging is brought, distortional stress is difficult to constant and accurate control, the uneven defective of radial stress;
3. further improved the harmony and the corrosion resistance of structure, can satisfy and reach the demand in 60 years projected life;
4. automation technolo degree height is simple to operate, process stabilizing;
5. input cost is lower, is convenient to maintenance.
Description of drawings
Fig. 1 is the seal configuration schematic diagram;
Fig. 2 is a undergauge mould structure schematic diagram;
Fig. 3 puts into undergauge mould schematic diagram for seal.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment 1
As shown in Figure 1, be the seal configuration schematic diagram,
(1) at first to seal 1 processing:
To put in the metal jacket pipe 3 with the median septum 2 in 14 holes, metal jacket pipe 3 two ends suit welding are with the flange 4 in 14 holes, weld seam adopts fluororine-carbon coating to do the processing that the surface prevents chemical attack, the hole centering of median septum 2 and flange 4, then 14 conductors 5 being passed the hole of median septum 2 and flange 4 puts in the metal jacket pipe 2, conductor 5 outer surfaces are covered with insulating materials, adopt polysulfones or polyether-ether-ketone to realize insulation and sealing between conductor 5 and the metal jacket pipe 3, the last copper sealing ring 6 that puts chemical nickel plating at conductor 5 two ends respectively, guiding trim ring 7 and clamp nut 8, adopt torque spanner to carry out crush seal, at last nitrogen leak detection and ftercompction device are installed on an end flanges 4 access ports, pass to the nitrogen test pressure of regulation, trial inspection air inflation indicator pressure pressure.
As shown in Figure 2, be undergauge mould structure schematic diagram, described undergauge mould 9 waits two device for exerting 10, outer tube 11 and the fixed mould 12 of branch angle to form by one-tenth radially, and the device for exerting 10 that can divide right and left is symmetrically set on the fixed mould 12, and fixed mould 12 is located in the device for exerting 10.
(2) then seal 1 is radially exerted pressure:
As shown in Figure 3, put into undergauge mould schematic diagram, seal 1 is put in the undergauge mould 9 for seal, then seal 1 is implemented balanced necking deformation power, limit compression, limit rotation, make the seal 1 whole 0.8-0.92% that is deformed to that produces the undergauge elongation, reach the purpose of sealing.
Present embodiment adopts the method for hydraulic pressure that seal 1 is implemented balanced necking deformation power, by high-pressure plunger pump the hydraulic oil in the hydraulic oil container is sucked by the oil suction filter, export the system pressure oil that can reach more than the 20MPa from pumping hole, pressure oil is synchronously injected 2 high pressure short stroke two-way cylinders on device for exerting 10, promote piston and do synchronous radial motion, provide the static(al) of extruding entad to device for exerting 10, seal 1 is implemented necking deformation, form even extruding static(al) entad, the backhaul action and the time of oil cylinder are controlled by programming software, to reach the chain purpose of action.
Embodiment 2
At metal jacket pipe 3 inside and outside car annular grooves, so more help sealing, seal 1 is implemented the power that balanced necking deformation power adopts air pressure to produce, additive method is constant.
Seal of the present invention can be suitable for 300,600 and the nuclear power station of the various scales of 1000MW, owing to adopted hydraulic pressure undergauge Sealing Technology, has solved the bruise tendency that seal easily produces effectively, has improved the quality stability of forming accuracy and batch process.
Claims (5)
1. the processing method of a radial compression applied sealing member is characterized in that, seal (1) is implemented balanced necking deformation power, makes the whole distortion that produces the undergauge elongation of seal (1), thereby reaches the effect of sealing, and its method is:
(1) at first seal (1) is processed:
Median septum with holes (2) is put in the metal jacket pipe (3), metal jacket pipe (3) two ends suit welding flange (4) with holes, weld seam adopts fluororine-carbon coating to do the processing that the surface prevents chemical attack, the hole centering of median septum (2) and flange (4), then conductor (5) being passed the hole of median septum (2) and flange (4) puts in the metal jacket pipe (2), conductor (5) outer surface is covered with insulating materials, adopt polysulfones or polyether-ether-ketone to realize insulation and sealing between conductor (5) and the metal jacket pipe (3), put the copper sealing ring (6) of chemical nickel plating at last respectively at conductor (5) two ends, guiding trim ring (7) and clamp nut (8), adopt torque spanner to carry out crush seal, at last nitrogen leak detection and ftercompction device are installed on an end flanges (4) access port.
(2) then seal (1) is radially exerted pressure:
Seal (1) is put in the undergauge mould (9), then seal (1) is implemented balanced necking deformation power, the limit compression, the limit rotation makes the whole 0.8-0.92% that is deformed to that produces the undergauge elongation of seal (1), reaches the purpose of sealing.
2. the processing method of a kind of radial compression applied sealing member according to claim 1 is characterized in that, described metal jacket pipe is provided with annular groove inside and outside (3).
3. the processing method of a kind of radial compression applied sealing member according to claim 1 is characterized in that, described conductor (5) is the 10-14 root.
4. the processing method of a kind of radial compression applied sealing member according to claim 1, it is characterized in that, radially form by device for exerting (10), outer tube (11) and the fixed mould (12) of branch such as one-tenth angle by at least two for described undergauge mould (9), the device for exerting that can divide right and left (10) is symmetrically set on the fixed mould (12), and fixed mould (12) is located in the device for exerting (10).
5. the processing method of a kind of radial compression applied sealing member according to claim 1 is characterized in that, described can be hydraulic pressure to the balanced necking deformation power of seal (1) enforcement, also can be the power that air pressure produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100259267A CN100377806C (en) | 2005-05-19 | 2005-05-19 | A radial compression applied sealing member processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100259267A CN100377806C (en) | 2005-05-19 | 2005-05-19 | A radial compression applied sealing member processing method |
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| Publication Number | Publication Date |
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| CN1864885A true CN1864885A (en) | 2006-11-22 |
| CN100377806C CN100377806C (en) | 2008-04-02 |
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| CNB2005100259267A Expired - Fee Related CN100377806C (en) | 2005-05-19 | 2005-05-19 | A radial compression applied sealing member processing method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102366789A (en) * | 2011-09-28 | 2012-03-07 | 安徽永钰过滤器有限公司 | Neck forming die for filter housing cover |
| CN102371299A (en) * | 2011-09-28 | 2012-03-14 | 安徽永钰过滤器有限公司 | Forming device for neck of cover casing of filter |
| CN102649146A (en) * | 2012-05-14 | 2012-08-29 | 中冶京诚工程技术有限公司 | Three-claw opening-shrinking machine synchronized through connecting rods |
| CN102649147A (en) * | 2012-05-14 | 2012-08-29 | 中冶京诚工程技术有限公司 | Three-jaw necking machine synchronizing by rack |
| CN103515827A (en) * | 2013-10-15 | 2014-01-15 | 广西铁合金有限责任公司 | Water-cooled cable copper joint and copper stranded wire pressing forming mould and processing method |
| CN104646587A (en) * | 2015-01-21 | 2015-05-27 | 合肥科烨电物理设备制造有限公司 | Reducing mold |
| CN109175128A (en) * | 2018-09-12 | 2019-01-11 | 周律丞 | A kind of tubing automation reducing device |
| CN114446543A (en) * | 2022-01-11 | 2022-05-06 | 韦伯斯特感应科技(常州)有限公司 | Production process of water-cooled cable and water-cooled cable |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1019752B (en) * | 1987-11-02 | 1992-12-30 | 常州市搪瓷厂 | The reducing device that round-ended cylinder is arranged |
| CN2439343Y (en) * | 2000-06-28 | 2001-07-18 | 吉峰电机股份有限公司 | Structure improved drill tail forming die |
| DE10201002A1 (en) * | 2002-01-11 | 2003-07-31 | Ulrich Huperz Schweistechnik G | Closure of a gas control system |
| CN1176469C (en) * | 2002-11-14 | 2004-11-17 | 清华大学 | Glass or ceramic sintered electric through piece for reactor safety shell |
| CN2595484Y (en) * | 2002-11-19 | 2003-12-31 | 郭宝恩 | Wheel spoke digital control rotary press |
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2005
- 2005-05-19 CN CNB2005100259267A patent/CN100377806C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102366789A (en) * | 2011-09-28 | 2012-03-07 | 安徽永钰过滤器有限公司 | Neck forming die for filter housing cover |
| CN102371299A (en) * | 2011-09-28 | 2012-03-14 | 安徽永钰过滤器有限公司 | Forming device for neck of cover casing of filter |
| CN102366789B (en) * | 2011-09-28 | 2014-03-12 | 安徽永钰过滤器有限公司 | Neck forming die for filter housing cover |
| CN102371299B (en) * | 2011-09-28 | 2014-03-12 | 安徽永钰过滤器有限公司 | Forming device for neck of cover casing of filter |
| CN102649146A (en) * | 2012-05-14 | 2012-08-29 | 中冶京诚工程技术有限公司 | Three-claw opening-shrinking machine synchronized through connecting rods |
| CN102649147A (en) * | 2012-05-14 | 2012-08-29 | 中冶京诚工程技术有限公司 | Three-jaw necking machine synchronizing by rack |
| CN102649147B (en) * | 2012-05-14 | 2014-03-19 | 中冶京诚工程技术有限公司 | Three-jaw necking machine synchronizing by rack |
| CN102649146B (en) * | 2012-05-14 | 2014-03-19 | 中冶京诚工程技术有限公司 | Three-claw opening-shrinking machine synchronized through connecting rods |
| CN103515827A (en) * | 2013-10-15 | 2014-01-15 | 广西铁合金有限责任公司 | Water-cooled cable copper joint and copper stranded wire pressing forming mould and processing method |
| CN104646587A (en) * | 2015-01-21 | 2015-05-27 | 合肥科烨电物理设备制造有限公司 | Reducing mold |
| CN109175128A (en) * | 2018-09-12 | 2019-01-11 | 周律丞 | A kind of tubing automation reducing device |
| CN114446543A (en) * | 2022-01-11 | 2022-05-06 | 韦伯斯特感应科技(常州)有限公司 | Production process of water-cooled cable and water-cooled cable |
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| Publication number | Publication date |
|---|---|
| CN100377806C (en) | 2008-04-02 |
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