CN102930905A - Replaceable ceramic or glass type sealed electrical penetrating piece assembly - Google Patents
Replaceable ceramic or glass type sealed electrical penetrating piece assembly Download PDFInfo
- Publication number
- CN102930905A CN102930905A CN2012104720290A CN201210472029A CN102930905A CN 102930905 A CN102930905 A CN 102930905A CN 2012104720290 A CN2012104720290 A CN 2012104720290A CN 201210472029 A CN201210472029 A CN 201210472029A CN 102930905 A CN102930905 A CN 102930905A
- Authority
- CN
- China
- Prior art keywords
- package shell
- sealing
- seal
- assembly
- penetration
- 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
Images
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a replaceable ceramic or glass type sealed electrical penetrating piece assembly. The penetrating piece assembly comprises a circular-tube-shaped stainless steel assembly shell, an insulated conductor is coaxially arranged in the assembly shell, ceramic sealing pieces are arranged at two ends of the insulated conductor, the outer walls of the ceramic sealed pieces and the inner wall of the end part of the assembly shell are sealed through elastic metal transition rings; a plurality of penetrating piece assemblies are coaxially arranged in a circular-tube-shaped stainless steel penetrating piece body, end plates are arranged at two ends of the circular-tube-shaped stainless steel penetrating piece body, the peripheries of the end plates and the inner wall of the penetrating piece body are sealed through elastic metal sealing rings; and the assembly shell and the end plates arranged at the two ends are sealed through sealing blocks and sealing holes. The penetrating piece assembly can solve the problem of the change of an electrical penetrating piece sealing conductor. Double-way sealing and multi-way sealing structures are realized to adapt to different electrical penetrating requirements.
Description
Technical field:
The present invention relates to a kind of removable pottery or glass mould sealing electrical penetration assembly, be applied to the occasions such as nuclear power plant and various research containment vessels.
Background technology:
Along with the development of China's Nuclear Electricity, the development of electrical penetration, production and use are also in constantly development on the containment.Shanghai 7 sixteen designing institutees developed with regard to the nuclear power station electrical penetration since 1974; Dalian 523 factories also produce as a trial low-voltage-powered ceramic mould electrical penetration subsequently.The existing Chinese Nuclear Power Design Academy of China and two factories of Shanghai Power Equipment Research Institute begin to produce used in nuclear power station polysulfones type electrical penetration up till now, and begin the needs in nuclear power market in the supply country.The electrical penetration pattern that these two factories adopt French AUXITROL company to produce basically, resilient seal technique and the technology of swaging and compressing by polysulfone material and conductor, make the sealing plug, then adopt the single deck tape-recorder casing connecting structure to be installed in the electrical penetration body, reach the requirement of integral sealing.Adopt the ceramic seal structure but in the electrical penetration of middle pressure power type, remain, and be connected and sealed by flange and form and the electrical penetration body termination of " O " type ring with screw fastening.At present from the world, the insulated enclosure material of electrical penetration is to be divided into two kinds of organic material and inorganic material basically.Electrical penetration on the containment vessel adopts various hermetically-sealed constructions in design, mainly be to guarantee that normal and accident condition can both satisfy and moves and the requirement of accident treatment at reactor for its sealing property and electrical property.Adopting the sealing-in form of pottery or glass and metal is inorganic material, characteristics with anti-irradiation, high temperature resistant, long-lived phase, along with the safety of nuclear power station is more and more higher, reactor requires the life-span more and more longer, from 30 years to 40 years, to require now be 60 years (AP1000 reactor), therefore require also harsher for hermetically-sealed construction and encapsulant, usually the conductor difficult sealing of organic material is to satisfy the specific (special) requirements of the anti-irradiation of reactor, high temperature resistant, long-lived phase, the therefore numerous and confused hermetically-sealed construction of releasing pottery or glass.Pottery or glass mould sealing electrical penetration assembly adopt fixedly welded seal form usually, except individual other adopt flange by screw in compression " O " type loop type with the penetration piece housing seal is connected, such as the medium-pressure type electrical penetration of the patent No. 2005201075287 " containment vessel low-voltage electrical penetration piece " and the production of French AUXITROL company.Because the penetration piece Area comparison that this structure is occupied is large, the core number that whole penetration piece is run through reduces, and very high to the requirement of sealing surface and " O " type ring, so major part still adopts glass sintering, Ceramic brazing or other Type of Welding that seal and penetration piece housing are fixed sealing, form whole hermetically-sealed construction, to increase the quantity of sealed insulation conductor.The shortcoming that therefore this structure exists is the difficult sealed insulation conductor of changing, and in use as in the situation that the leakage of sealing conductor occurs or damage, can't change sealing conductor, needs whole electrical penetration to change.Like this engineering very large inconvenience and loss have been brought.
Summary of the invention:
For overcoming the defective of prior art, the object of the present invention is to provide a kind of removable pottery or glass mould sealing electrical penetration assembly, can satisfy the requirement of the unit replacement of the performance such as anti-irradiation, high temperature, long-life and electrical penetration.And can replace as required the seal assembly of polysulfones type penetration piece, for the safe operation of reactor provides safeguard.
The present invention mainly on electrical penetration integral body and hermetically-sealed construction, designs a kind of removable pottery or glass mould sealing electrical penetration assembly, solves the replacing problem of electrical penetration sealing conductor.And can realize that double sealing and multiple-sealed structure are to adapt to the different electric requirements that run through.
Technical solution problem of the present invention adopts following technical scheme:
A kind of removable pottery or glass mould sealing electrical penetration assembly, described penetration piece assembly comprises the stainless package shell of tubular, insulated conductor is coaxial to be arranged in the described package shell, two ends at described insulated conductor are provided with ceramic seal spare, seal with the elastic metallic transition rings between the outer wall of described ceramic seal spare and the inner wall of end of described package shell;
Many described penetration piece assemblies are provided with end plate with being located in the stainless steel penetration piece body of tubular at the two ends of described penetration piece body, seal with flexible metallic packing ring between the inwall of the periphery of described end plate and described penetration piece body;
The two ends of described package shell are passed in described end plate, and has hermetically-sealed construction between described package shell and the described end plate, described hermetically-sealed construction comprises: at the seal bore that be axially arranged with truncated cone-shaped of the outside of described end plate end face along described package shell, the large end of truncated cone-shaped seal bore is provided with internal thread outwardly and at oral area, be socketed with sealing block and the set nut of truncated cone-shaped at described package shell, described set nut is connected with retaining ring towards a side integral type of described sealing block, and described retaining ring has the external thread with the internal thread of described seal bore oral area coupling.
Described ceramic seal spare or be glass seal.
Radially be installed with insulating support in the described package shell described insulated conductor is formed support.
Connect with plug connector between two sections the insulated conductor in the described package shell.
One section of described package shell is made as the corrugated shell with retractility.
Described package shell is provided with leak hunting aperture.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, usually adopts fixedly welded seal form between existing pottery or glass mould sealing electrical penetration assembly and the penetration piece body, except individual other adopts flange by screw in compression " O " type ring and penetration piece body be tightly connected (the penetration piece Area comparison that occupies because of this structure is large) the form, for increasing the quantity of sealing conductor, most of electrical penetration adopts glass sintering, Ceramic brazing or Type of Welding that pottery or glass seal are fixed welding (sealing-in) sealing with the penetration piece body, the hermetically-sealed construction of formation integral body.Therefore this structure existent defect is the difficult seal conductor of changing, and in use as in the situation that the leakage of sealing conductor occurs or damage, can't seal individually the conductor replacing, needs whole electrical penetration to change.Like this engineering very large inconvenience and loss have been brought.The present invention mainly on electrical penetration integral body and hermetically-sealed construction, designs a kind of removable pottery or glass mould sealing electrical penetration assembly, solves electrical penetration sealing conductor and changes problem.And can realize that double sealing and multiple-sealed structure are to adapt to the different electric requirements that run through.
2, because between the outer metallic packing ring of end plate and the penetration piece body and adopt advanced welding technology and the technology such as laser bonding, argon arc welding, the seal assembly dependable performance of this structure composition between metal transfer ring and the package shell.So and its sealing property of mechanical seal structure of the sealing plug of polysulfones compression because employing is swaged and life-span are to lean on stainless-steel tube and the decrement of polysulfones and the elasticity of material to realize, when temperature environment changes, because the organic materials such as polysulfones decompose, when aging the or performance of polysulfone material changes in addition, will have influence on decrement and elasticity, this structure can have influence on sealing property and life-span, therefore adopt laser bonding between metal transfer ring of the present invention and the package shell, welding technology and technology that argon arc welding etc. are advanced, this structure is more superior than the performance that the mechanical compress that adopts polysulfone material to pass through seals, and the life-span is longer.Because therefore metal transfer ring elastically deformable can not change because of the elastic performance of material itself making seal failure.
What 3, penetration piece assembly of the present invention used is pottery and glass inorganic material, thus this insulated enclosure material have electrical property good, be difficult for degradation and decomposition, have anti-irradiation, high temperature resistant, long-life characteristics; Its crunch seal and glass sintering mature production technology are reliable in addition, adopt the elastic metallic transition ring structure can also compensating conductor or the stress that expands with heat and contract with cold of housing.And the organic materials such as polysulfones easily decompose with temperature, time and wear out, this organic material adopts the elastic construction of the compression of swaging to carry out mechanical seal, the difficult control of technique, the organic materials such as part polysulfones are in the compression process of swaging, can produce dislocation and inhomogeneous stress, after temperature variation, material breakdown wear out, original elasticity and mechanical sealing performance were lost efficacy, very large on the impact in serviceable life.And pottery or glass material are worried without this.
4, be designed with leak hunting aperture on the stainless steel package shell to detect the sealing situation of seal assembly, one section of the elasticity on the stainless steel package shell is made as the corrugated shell with retractility simultaneously, well the absorbent assembly shell stress that expands with heat and contract with cold and produce.
5, truncated cone-shaped seal bore, seal bore structure are adopted in sealing between the end plate of package shell and electrical penetration body, the single deck tape-recorder nested structure that more present polysulfones plug adopts, and sealing property is more superior.
Description of drawings:
Fig. 1 is the structural representation of ceramic mould sealing electrical penetration assembly; Fig. 2 is the structural representation of glass mould sealing electrical penetration assembly; Fig. 3 is the structural representation of multicore ceramic mould electrical penetration body; Fig. 4 is the sealed structural representation between package shell and the penetration piece body end plate.
Number in the figure: 1 conductor, 2 ceramic seal spares, 3 metal transfer rings, 4 package shells, 5 plug connectors, 6 insulating supports, 7 leak hunting apertures, 8 corrugated shells, 9 insulated conductors, 10 penetration piece bodies, 11 end plates, 12 metallic packing rings, 13 sealing blocks, 14 set nuts, 141 retaining rings, 15 glass seals, 16 seal bores.
Below pass through embodiment, and the invention will be further described by reference to the accompanying drawings.
Embodiment:
Embodiment: in conjunction with Fig. 1, the removable pottery of the present embodiment or glass mould sealing electrical penetration assembly, the penetration piece assembly comprises the stainless package shell 4 of tubular, insulated conductor 9 coaxial being arranged in the package shell 4, be provided with ceramic seal spare 2 at the two ends of insulated conductor, two ceramic seal spare outsides are conductors 1, seal with elastic metallic transition rings 3 between the inner wall of end of the outer wall of ceramic seal spare 2 and package shell 4.
In conjunction with Fig. 3, many penetration piece assemblies are provided with end plate 11 with being located in the stainless steel penetration piece body 10 of tubular at the two ends of penetration piece body, seal with flexible metallic packing ring 12 between the inwall of the periphery of end plate and penetration piece body.
In conjunction with Fig. 4, the two ends of package shell 4 are passed in end plate 11, and has hermetically-sealed construction between package shell 4 and the end plate 11, the sealing structure comprises: at the seal bore that be axially arranged with truncated cone-shaped 16 of the outside of end plate end face along described package shell, the large end of truncated cone-shaped seal bore is provided with internal thread outwardly and at oral area, be socketed with sealing block 13 and the set nut 14 of truncated cone-shaped at package shell 4, set nut is connected with retaining ring 141 towards a side integral type of sealing block, and retaining ring has the external thread with the internal thread of seal bore oral area coupling.
In conjunction with Fig. 3, above-mentioned ceramic seal spare can be changed to glass seal 15.
Shown in Fig. 1,3, radially be installed with 6 pairs of insulated conductors of insulating support 9 in the package shell 4 and form support.Connect with plug connector 5 between two sections the insulated conductor 9 in the package shell.One section at package shell 4 is made as the corrugated shell 8 with retractility.Package shell 4 is provided with leak hunting aperture 7.
In the implementation, ceramic seal spare 2 is by after forming process of ceramics processing, the metallization, through metal transfer ring and conductor (hydrogen furnace, vacuum drying oven) sealed with brazing in atmosphere furnace, forms independent ceramic seal spare.The specification quantity of conductor 1 is determined by the design of ceramic seal spare.It is qualified to need through helium leak check after 2 sealing-ins of ceramic seal spare.
The conductor dbus of the ceramic seal spare at two ends is crossed web member are connected connection with insulated conductor, and carry out that insulating wrapped is processed and insulating support 6 is installed and fixed, become complete insulated conductor.
4 processing of stainless steel package shell: length, cut, leak hunting aperture and elastic extension structure by figure requirement, processing stainless steel package shell, through centerless grinder then outside surface working is polished and ground seal section, the cover protective sleeve is stand-by.
With the ceramic seal spare (comprising built-in electrical insulation conductor and insulating support) that installs, put into the stainless steel package shell, alignment metal transfer ring and stainless steel cut carry out laser seal welding or argon arc welding, and two terminations are identical.
Ceramic seal spare and the stainless steel assembly weld seam crossed after 7 pairs of welding of stainless steel package shell leak hunting aperture carry out helium leak check, and butt welded seam is detected a flaw or X-ray examination, and the dress guard box is stand-by after finishing.
Therefore because the number of conductors in the glass seal is many, density can be done to get the higher method of intending adopting hermetically sealed connector 5, connect the insulated conductor 9 of seal assembly two end glass seal inside.
The processing of stainless steel package shell 4, welding and other implementation step are substantially the same.
Two end plate inside with pottery or glass mould sealing electrical penetration assembly insertion electrical penetration body 10 make the package shell length of exposing two terminations consistent (noting the protection sealing surface).
Two ends of pottery or glass mould sealing electrical penetration package shell are installed respectively sealing block 13 and set nut 14, and sealing block is put into respectively the seal bore 16 of end plate, use special-purpose torque spanner, the fastening lock jack panel, reach moment in advance, after all sealing electrical penetration assembly installations, carry out the sealing helium leak check of electrical penetration body.
Claims (6)
1. a removable pottery or glass mould sealing electrical penetration assembly, described penetration piece assembly comprises the stainless package shell of tubular (4), insulated conductor (9) is coaxial to be arranged in the described package shell (4), be provided with ceramic seal spare (2) at the two ends of described insulated conductor, it is characterized in that, seal with elastic metallic transition rings (3) between the inner wall of end of the outer wall of described ceramic seal spare (2) and described package shell (4);
Many described penetration piece assemblies are with being located in the stainless steel penetration piece body (10) of tubular, be provided with end plate (11) at the two ends of described penetration piece body, seal with flexible metallic packing ring (12) between the inwall of the periphery of described end plate and described penetration piece body;
The two ends of described package shell (4) are passed in described end plate (11), and has hermetically-sealed construction between described package shell (4) and the described end plate (11), described hermetically-sealed construction comprises: at the seal bore that be axially arranged with truncated cone-shaped (16) of the outside of described end plate end face along described package shell, the large end of truncated cone-shaped seal bore is provided with internal thread outwardly and at oral area, be socketed with sealing block (13) and the set nut (14) of truncated cone-shaped at described package shell (4), described set nut is connected with retaining ring (141) towards a side integral type of described sealing block, and described retaining ring has the external thread with the internal thread of described seal bore oral area coupling.
2. a kind of removable pottery according to claim 1 or glass mould sealing electrical penetration assembly is characterized in that, described ceramic seal spare (2) or be glass seal (15).
3. a kind of removable pottery according to claim 1 or glass mould sealing electrical penetration assembly is characterized in that, radially is installed with insulating support (6) in the described package shell (4) described insulated conductor (9) is formed support.
4. according to claim 1 or 3 described a kind of removable potteries or glass mould sealing electrical penetration assembly, it is characterized in that, connect with plug connector (5) between two sections the insulated conductor (9) in the described package shell.
5. a kind of removable pottery according to claim 1 or glass mould sealing electrical penetration assembly is characterized in that, one section of described package shell (4) is made as the corrugated shell (8) with retractility.
6. a kind of removable pottery according to claim 1 or glass mould sealing electrical penetration assembly is characterized in that, described package shell (4) is provided with leak hunting aperture (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210472029.0A CN102930905B (en) | 2012-11-20 | 2012-11-20 | A kind of removable pottery or glass mould sealing electrical penetration assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210472029.0A CN102930905B (en) | 2012-11-20 | 2012-11-20 | A kind of removable pottery or glass mould sealing electrical penetration assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102930905A true CN102930905A (en) | 2013-02-13 |
| CN102930905B CN102930905B (en) | 2015-09-30 |
Family
ID=47645684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210472029.0A Expired - Fee Related CN102930905B (en) | 2012-11-20 | 2012-11-20 | A kind of removable pottery or glass mould sealing electrical penetration assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102930905B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345949A (en) * | 2013-07-05 | 2013-10-09 | 清华大学 | Cermet sintered high temperature and high pressure electrical penetration assembly |
| CN103544998A (en) * | 2013-09-28 | 2014-01-29 | 上海发电设备成套设计研究院 | Novel glass or ceramic sintered electrical penetration assembly for double-layered secure shell |
| CN106158054A (en) * | 2016-07-19 | 2016-11-23 | 江苏华光电缆电器有限公司 | Middle voltage electrical penetration piece ceramic component |
| CN106448839A (en) * | 2016-10-12 | 2017-02-22 | 浙江伦特机电有限公司 | Instrument cable assembly for nuclear power station |
| CN111565883A (en) * | 2018-01-03 | 2020-08-21 | 通快激光与系统工程有限公司 | Method for structuring the surface of a laser-transparent workpiece and laser processing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0915387A (en) * | 1995-06-30 | 1997-01-17 | Toshiba Corp | Building penetration structure for reactor power plant |
| CN2807411Y (en) * | 2005-05-30 | 2006-08-16 | 中国核动力研究设计院 | Reactor safety case low-voltage electric penetrating member |
| CN201918175U (en) * | 2010-11-19 | 2011-08-03 | 中国核动力研究设计院 | Electric penetrating piece for high-temperature gas cooled reactor primary circuit |
| CN102768867A (en) * | 2012-07-18 | 2012-11-07 | 安徽省鑫源达有色金属材料有限公司 | Electrical penetration piece with ceramic sealing electrode |
| CN202871312U (en) * | 2012-11-20 | 2013-04-10 | 安徽省鑫源达有色金属材料有限公司 | Replaceable ceramic sealing electrical penetration assembly |
| CN202939981U (en) * | 2012-11-20 | 2013-05-15 | 安徽省鑫源达有色金属材料有限公司 | Replaceable glass sealed electrical penetration assembly component |
-
2012
- 2012-11-20 CN CN201210472029.0A patent/CN102930905B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0915387A (en) * | 1995-06-30 | 1997-01-17 | Toshiba Corp | Building penetration structure for reactor power plant |
| CN2807411Y (en) * | 2005-05-30 | 2006-08-16 | 中国核动力研究设计院 | Reactor safety case low-voltage electric penetrating member |
| CN201918175U (en) * | 2010-11-19 | 2011-08-03 | 中国核动力研究设计院 | Electric penetrating piece for high-temperature gas cooled reactor primary circuit |
| CN102768867A (en) * | 2012-07-18 | 2012-11-07 | 安徽省鑫源达有色金属材料有限公司 | Electrical penetration piece with ceramic sealing electrode |
| CN202871312U (en) * | 2012-11-20 | 2013-04-10 | 安徽省鑫源达有色金属材料有限公司 | Replaceable ceramic sealing electrical penetration assembly |
| CN202939981U (en) * | 2012-11-20 | 2013-05-15 | 安徽省鑫源达有色金属材料有限公司 | Replaceable glass sealed electrical penetration assembly component |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345949A (en) * | 2013-07-05 | 2013-10-09 | 清华大学 | Cermet sintered high temperature and high pressure electrical penetration assembly |
| CN103345949B (en) * | 2013-07-05 | 2015-10-28 | 清华大学 | The electric penetration piece of metal-ceramic ag High Temperature High Pressure |
| CN103544998A (en) * | 2013-09-28 | 2014-01-29 | 上海发电设备成套设计研究院 | Novel glass or ceramic sintered electrical penetration assembly for double-layered secure shell |
| CN103544998B (en) * | 2013-09-28 | 2016-01-13 | 上海发电设备成套设计研究院 | A kind of novel glass for double containment or ceramic post sintering electrical penetration |
| CN106158054A (en) * | 2016-07-19 | 2016-11-23 | 江苏华光电缆电器有限公司 | Middle voltage electrical penetration piece ceramic component |
| CN106158054B (en) * | 2016-07-19 | 2023-09-29 | 江苏华光电缆电器有限公司 | Ceramic component of medium-voltage electric penetrating piece |
| CN106448839A (en) * | 2016-10-12 | 2017-02-22 | 浙江伦特机电有限公司 | Instrument cable assembly for nuclear power station |
| CN106448839B (en) * | 2016-10-12 | 2017-10-27 | 浙江伦特机电有限公司 | Instrument cable for nuclear power station component |
| CN111565883A (en) * | 2018-01-03 | 2020-08-21 | 通快激光与系统工程有限公司 | Method for structuring the surface of a laser-transparent workpiece and laser processing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102930905B (en) | 2015-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202871312U (en) | Replaceable ceramic sealing electrical penetration assembly | |
| CN102930905B (en) | A kind of removable pottery or glass mould sealing electrical penetration assembly | |
| CN103345949B (en) | The electric penetration piece of metal-ceramic ag High Temperature High Pressure | |
| CA1079372A (en) | Wall mounted interconnector | |
| CN203481774U (en) | Cable joint | |
| CN202939981U (en) | Replaceable glass sealed electrical penetration assembly component | |
| CN105428874A (en) | Hydraulic seal electrical connector | |
| CN103544998B (en) | A kind of novel glass for double containment or ceramic post sintering electrical penetration | |
| CN102768867A (en) | Electrical penetration piece with ceramic sealing electrode | |
| CN103258616A (en) | Insulating flange for large superconducting magnet current lead | |
| CN200953255Y (en) | Encapsulating assembly type low-voltage electric penetrating piece | |
| CN1405789A (en) | Glass or ceramic sintered electric through piece for reactor safety shell | |
| CN106098112B (en) | Electrical penetration piece of high-temperature gas cooled reactor main helium fan and processing method thereof | |
| CN207989918U (en) | A kind of tandem for fusion reactor atmospheric side charges water route penetration piece | |
| CN207718827U (en) | A kind of tandem for fusion reactor inlet side charges water route penetration piece | |
| CN101645337B (en) | Compound insulating sleeve of extra-high voltage GIS incoming and outgoing line | |
| CN104332190B (en) | Mineral insulating assembly, preparation method and safety device having mineral insulating assembly | |
| CN203444768U (en) | Cermet-sintered high-temperature-resistant and high-pressure-resistant electrical penetration assembly | |
| CN211738014U (en) | Double-layer sealed spring energy storage sealing ring | |
| CN107681348A (en) | Equipment, which is used, in a kind of Containment for PWR Nuclear Power Plant electrically runs through socket | |
| CN202940179U (en) | High-voltage ceramic vacuum arc extinguishing chamber | |
| CN109066447A (en) | A kind of gas insulated bushing end seal structure | |
| CN202018917U (en) | External shielding structure of vacuum arc extinguish chamber | |
| CN103531941B (en) | A kind of safety-level electrical connector | |
| CN203026898U (en) | Rapid cable connecting and sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20181120 |