CN203444768U - Cermet-sintered high-temperature-resistant and high-pressure-resistant electrical penetration assembly - Google Patents
Cermet-sintered high-temperature-resistant and high-pressure-resistant electrical penetration assembly Download PDFInfo
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- CN203444768U CN203444768U CN201320400879.XU CN201320400879U CN203444768U CN 203444768 U CN203444768 U CN 203444768U CN 201320400879 U CN201320400879 U CN 201320400879U CN 203444768 U CN203444768 U CN 203444768U
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- bearing flange
- penetration piece
- outer bearing
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- 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
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Abstract
The utility model discloses a cermet-sintered high-temperature-resistant and high-pressure-resistant electrical penetration assembly. The cermet-sintered high-temperature-resistant and high-pressure-resistant electrical penetration assembly comprises a penetration assembly body, a leakage measuring instrument and insulated combinations, wherein the penetration assembly body comprises one or more ceramic tubes, one or more conductors, an inner pressure bearing flange and an outer pressure bearing flange; the ceramic tubes and the conductors are sintered and sealed in a one-to-one correspondence manner respectively, and then are sealed and sintered with the inner pressure bearing flange and the outer pressure bearing flange to form the penetration assembly body; a cavity is formed between the inner pressure bearing flange and the outer pressure bearing flange; an inner tube of the outer pressure bearing flange, a connecting tube, a three-way valve set and a pressure meter form the leakage measuring instrument; the insulated combinations including pressing plates, pressing discs and ceramic bottles and the like are arranged at two ends of the penetration assembly body. The cermet-sintered high-temperature-resistant and high-pressure-resistant electrical penetration assembly is reasonable in design and simple in structure; through cermet sintering, high tightness at high temperature can be ensured and the cermet-sintered high-temperature-resistant and high-pressure-resistant electrical penetration assembly is high in structural strength, high in stability, high in safety and long in service life and can bear high pressure.
Description
Technical field
The utility model belongs to nuclear reactor technology field, is specifically related to a kind of metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece.
Background technology
Electrical penetration is for the electrical connection of the inside and outside equipment of reactor, and it is not only wanted can withstand long term exposure irradiation, burn into high temperature and aging, guarantees sealing and electrical continuity under normal running (operation) conditions, also need under various accident conditionses, meet above-mentioned requirements.Existing electrical penetration is generally the electrical penetration of PWR nuclear power plant containment, it comprises the end cap at cylindrical shell, cylindrical shell two ends and the some wires in cylindrical shell, it is simple in structure, be easy to manufacture, but this electrical penetration but has following shortcoming at least: because its structural strength is poor, cylindrical shell is easily out of shape while installing; The sealing of employing organic composite material, resistance to irradiation, corrosion and High Temperature High Pressure ability, easily aging, serviceable life is short; Sealing is poor, easily leaks; In running hours less stable.
High temperature gas cooled reactor be security higher the 4th generation advanced reactor.High temperature gas cooled reactor adopts ceramic coated particle fuel element, and fission product is difficult for spilling.High temperature gas cooled reactor has that the thermal efficiency is high, burnup is low, advantages of higher is compared in conversion.The another kind of safe design of high temperature gas cooled reactor is that moving component is arranged in a circuit pressure shell, has avoided wearing axle motive seal and the static seal that adopts electrical penetration.Cooling medium is made with high-pressure helium in high temperature gas cooled reactor one loop, and temperature is high, irradiation is strong, and electrical penetration is had higher requirement.
The problem existing in order to solve prior art, people have carried out long-term exploration, have proposed various solutions.For example there is high temperature gas cooled reactor one its structure of loop electrical penetration of a utility model comparatively complicated, and adopted organic composite material to make encapsulant, the in the situation that of high temperature, high pressure and high irradiation, the sealing of electrical penetration is by variation, easily leak, the job stability variation that can cause whole reactor plant, serviceable life is shorter.
Utility model content
The utility model one of is intended to solve the problems of the technologies described above at least to a certain extent or at least provides a kind of useful business to select.For this reason, an object of the present utility model is to propose a kind of simple in structure, good airproof performance, the electric penetration piece of High Temperature High Pressure safe and reliable, long service life.
For achieving the above object, according to the metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece of the utility model embodiment, comprise: penetration piece body, described penetration piece body comprises one or more ceramic pipes (1), one or more conductors (2), interior bearing flange (3) and outer bearing flange (4), sintering is sealed to conductor assembly to wherein said ceramic pipe (1) correspondingly respectively with described conductor (2), sinter penetration piece body into described interior bearing flange (3) and described outer bearing flange (4) again, between the composition surface of described interior bearing flange (3) and outer bearing flange (4), form a cavity, between the composition surface of described interior bearing flange (3) and outer bearing flange (4) with two metallic packing rings (5, 6) and first kind screw (7) and first kind spring washer (8) press seal, on described interior bearing flange (3), have two concentric annular grooves, to install with equipment sealing, instrument is let out in survey, and described survey is let out instrument and is connected with described penetration piece body, insulation combination, described insulation combination lets out instrument with described survey and described penetration piece body is connected, described insulation combination comprises pressing plate (13), porcelain vase (14), compression plate (15), Equations of The Second Kind screw (16) and Equations of The Second Kind spring washer (17), its center platen (13) is polyetheretherketone pressing plate, compression plate (15) is stainless steel compression plate, and porcelain vase (14) outside surface comprises adamantine layer.
Alternatively, described survey is let out instrument and is comprised connecting pipe (10), T-valve group (11) and tensimeter (12), and the inner tube outlet that is connected to outer bearing flange (3) by soldering and sealing is upper, by endoporus, leads to cavity.
Alternatively, described ceramic pipe (1) is the 95% alundum (Al2O3) ceramic pipe that internal circular surfaces and outer round surface have been made metalized, and described conductor (2) is oxygen-free copper pipe.
Alternatively, outer bearing flange (4) has two concentric annular grooves, and in its annular groove, lay two metallic packing rings (5,6), with first kind screw (7), with first kind spring washer (8), interior bearing flange (3) is become to flange assembly with outer bearing flange (4) press seal, in flange assembly, form a cavity.
Alternatively, the conductor assembly that ceramic pipe (1) sinters into conductor (2) becomes penetration piece body with interior bearing flange (3), outer bearing flange (4), metallic packing ring (5,6) with the flange combination double sintering that first kind screw (7) and first kind spring washer (8) press seal become.
Alternatively, between the composition surface of interior bearing flange (3) and outer bearing flange (4), form a cavity, by the inner endoporus of outer bearing flange (4), connecting pipe (10), T-valve group (11) and tensimeter (12), lead to cavity, for to electrical penetration gas-monitoring slip.
Compared with the prior art, the beneficial effect of metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece of the present utility model is:
1. reasonable in design, simple in structure;
2. ceramic pipe forms conductor and bearing flange sintering, has guaranteed the high leakproofness under high temperature;
3. flange arrangement intensity is high, can bear high pressure;
4. metal and ceramic sintering have been guaranteed high stability, high security and high life.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the structural representation of metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece of the present utility model.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
The purpose of this utility model is to provide a kind of simple in structure, good airproof performance, the electric penetration piece of High Temperature High Pressure that safe and reliable, 60 years serviceable life is above.
Fig. 1 is structural representation of the present utility model.Number in the figure: 1. ceramic pipe, 2. conductor, 3. interior bearing flange, 4. outer bearing flange, 5,6. metallic packing ring, 7. first kind screw, 8. first kind spring washer, 9. connects mouth, 10. connecting pipe, 11. T-valve groups, 12. tensimeters, 13. pressing plates, 14. porcelain vases, 15. compression plates, 16. Equations of The Second Kind screws, 17. Equations of The Second Kind spring washers.Wherein, it is reference that the wall that penetration piece runs through be take in " interior " " outward " of interior bearing flange 3 and outer bearing flange 4, and the flange being arranged in reactor is interior bearing flange, and the flange that is arranged on out-of-pile is outer bearing flange.
As shown in Figure 1, the utility model discloses a kind of metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece, comprises penetration piece body, surveys and let out instrument and insulation combination three parts.
Penetration piece body comprises ceramic pipe 1, conductor 2, interior bearing flange 3 and outer bearing flange 4, and one or more ceramic pipes 1 seal with one or more conductor 2 sintering respectively, then are sealed to penetration piece body with interior bearing flange 3 and outer bearing flange 4 sintering.Interior bearing flange 3 and the outer bearing flange 4 of penetration piece body all has one or more holes of passing for penetration piece body, in, between outer bearing flange 3 and 4 the two composition surfaces, there is a cavity, on the composition surface of outer bearing flange 4, have two concentric annular grooves, a metallic packing ring 5 and 6 are housed on each annular groove, interior bearing flange 3 and outer bearing flange 4 use numbers piece first kind screw 7 and first kind spring washer 8 press seals, on the cylindrical of outer bearing flange 4, open the composition surface between straight-through two the concentric annular grooves of an endoporus, interior outer end of hole is drilled with and connects mouth 9, on the installed surface of interior bearing flange 3, have two concentric annular grooves, by interior, several holes bolt on outer bearing flange 3 and 4, sealing ring is installed with using the equipment sealing of electrical penetration.
Survey is let out instrument and is comprised connecting pipe 10, T-valve group 11 and tensimeter 12, on interior bearing flange 3, have an endoporus, open on the cavitys that form at inside and outside bearing flange 3 and 4 its one end, and the other end is opened on the cylindrical of bearing flange 4 outside, then welding connecting tube 10, T-valve group 11 and tensimeter 12.
Insulation combination comprises pressing plate 13, porcelain vase 14, compression plate 15, Equations of The Second Kind screw 16 and Equations of The Second Kind spring washer 17, on the pressing plate 13 made from polyetheretherketone, have one or more holes of passing for conductor 2, with Equations of The Second Kind screw 16 and Equations of The Second Kind spring washer 17, be pressed on interior bearing flange 3 and outer bearing flange 4 respectively, porcelain vase 14 is all equipped with at the two ends of every conductor 2, compression plate 15 separates conductor 2 and pressing plate 2 is pressed on interior bearing flange 3 and outer bearing flange 4 together, compression plate 15 use stainless steels are made, and have increased the intensity of polyetheretherketone pressing plate 12.The external surface glazing of porcelain vase 14.
Design feature of the present utility model and corresponding beneficial effect thereof be mainly following some:
1) penetration piece body one or more conductor 2 used is whole conductor, in penetration piece inside, does not patch, welds or other connected modes, has guaranteed the stability of conductor.
2) ceramic pipe 1 is made by the alundum (Al2O3) of 95% purity, and its internal circular surfaces and outer round surface are made to metalized, integral sintered with conductor 2 and interior bearing flange 3 and outer bearing flange 4, feasible process.
3) conductor 2 and ceramic pipe 1, interior bearing flange 3, the 4 sintering sealings of outer bearing flange, the penetration piece body of formation, containing organic composite material, can not bear high temperature.
4) interior bearing flange 3 and outer bearing flange 4 can bear the high-pressure helium of equipment, can bear the high pressure of inside and outside bearing flange 3 and 4 helium that cavity fills.
5) survey and to let out the connecting pipe 10 that instrument adopts, T-valve group 11 and tensimeter 12 be by being welded to connect, and guaranteed job stability and without leakage.
As from the foregoing, compared with the prior art, the advantage of metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece is: 1. reasonable in design, simple in structure; 2. by ceramic pipe, conductor and bearing flange sintering are formed, guaranteed the high leakproofness under high temperature; 3. strength of flange is high, can bear high pressure; 4. metal and ceramic sintering have been guaranteed high stability, high security and high life.
For making those skilled in the art understand better the utility model, below by embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
First target is designed, calculated, the sealing medium of electrical penetration is helium, specific works parameter: pressure 7.0MPa, 150 ℃ of temperature; Electric parameter: three-phase voltage 6kV, electric current 600A; Mission life: 60 years.Design parameter: pressure: 8.1MPa, temperature: 240 ℃, voltage: 8.9kV, short-time overload electric current: 50kA.
Penetration piece body implementation step:
A. according to design drawing, be fired into the alundum (Al2O3) ceramic pipe 1 of 95% purity, its internal circular surfaces and outer round surface are made to metalized;
B. the conductor of oxygen-free copper 2 is passed to ceramic pipe 1 and reaches specified size;
C. all conductors 2 and ceramic pipe 1 carry out sintering after all having put in place;
Leakage check is carried out in every conductor combination of d. with Helium leak detector, sintering being crossed, and enters subsequent processing after reaching requirement;
E. in the concentric annular groove of bearing flange 4, place two metallic packing rings 5,6 outside;
F. the interior bearing flange 3 being processed into stainless steel or alloy steel is compacted into flange combination with outer bearing flange 4 use first kind screws 7 and first kind spring shim 8;
G. with Helium leak detector, by the sealing of bearing flange 3 and outer bearing flange 4 in 9 pairs, mouth that connects on outer bearing flange 4, check, enter subsequent processing after reaching requirement;
H. the assembly of interior bearing flange 3 and outer bearing flange 4 is inserted in the conductor combination every conductor 1 and ceramic pipe 2 being sintered into, and reaches specified size;
I. integral body sintering again.
Instrument implementation step is let out in survey:
On the interior hole exits of outer bearing flange 4 cylindricals that a. 10 soldering and sealing of stainless steel connecting pipe communicated at the cavity forming with interior bearing flange 3 and outer bearing flange 4;
B. by 11 soldering and sealing of T-valve group on connecting pipe 10;
C. by tensimeter 12 soldering and sealing in T-valve group 11;
D. with pressure gas, by survey, let out instrument penetration piece body is made to pressure test, carry out subsequent processing after reaching requirement;
E. with Helium leak detector, by survey, let out instrument penetration piece body is made to Leak Off Test (LOT), carry out subsequent processing after reaching requirement.
Insulation combination implementation step:
A. each pressing plate 13 being passed to conductor 2 is separately installed on interior bearing flange 3 and outer bearing flange 4;
B. the two ends of every conductor 2 fill a porcelain vase 14;
C. load onto compression plate 15;
D. with Equations of The Second Kind screw 16 and Equations of The Second Kind spring washer 17, insulation combination is compressed;
E. the every conductor 2 of electrical penetration is carried out to the series of experiments such as dielectric strength, insulation resistance.
In process flow diagram or any process of otherwise describing at this or method describe and can be understood to, represent to comprise that one or more is for realizing the module of code of executable instruction of the step of specific logical function or process, fragment or part, and the scope of preferred implementation of the present utility model comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by contrary order, carry out function, this should be understood by embodiment person of ordinary skill in the field of the present utility model.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in the situation that not departing from principle of the present utility model and aim in scope of the present utility model, modification, replacement and modification.
Claims (5)
1. a metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece, is characterized in that, comprising:
Penetration piece body, described penetration piece body comprises one or more ceramic pipes (1), one or more conductors (2), interior bearing flange (3) and outer bearing flange (4), sintering is sealed to conductor assembly to wherein said ceramic pipe (1) correspondingly respectively with described conductor (2), sinter penetration piece body into described interior bearing flange (3) and described outer bearing flange (4) again, between the composition surface of described interior bearing flange (3) and outer bearing flange (4), form a cavity, between the composition surface of described interior bearing flange (3) and outer bearing flange (4) with two metallic packing rings (5, 6) and first kind screw (7) and first kind spring washer (8) press seal, on described interior bearing flange (3), have two concentric annular grooves, to install with equipment sealing,
Instrument is let out in survey, and described survey is let out instrument and is connected with described penetration piece body;
Insulation combination, described insulation combination lets out instrument with described survey and described penetration piece body is connected, described insulation combination comprises pressing plate (13), porcelain vase (14), compression plate (15), Equations of The Second Kind screw (16) and Equations of The Second Kind spring washer (17), its center platen (13) is polyetheretherketone pressing plate, compression plate (15) is stainless steel compression plate, and porcelain vase (14) outside surface comprises adamantine layer.
2. metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece according to claim 1, it is characterized in that, described survey is let out instrument and is comprised connecting pipe (10), T-valve group (11) and tensimeter (12), the inner tube outlet that is connected to outer bearing flange (3) by soldering and sealing is upper, by endoporus, leads to cavity.
3. metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece according to claim 1, it is characterized in that, outer bearing flange (4) has two concentric annular grooves, and in its annular groove, lay two metallic packing rings (5,6), with first kind screw (7), with first kind spring washer (8), interior bearing flange (3) is become to flange assembly with outer bearing flange (4) press seal, in described flange assembly, form a cavity.
4. according to the metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece described in claim 1-3 any one, it is characterized in that, the conductor assembly that ceramic pipe (1) sinters into conductor (2) becomes penetration piece body with interior bearing flange (3), outer bearing flange (4), metallic packing ring (5,6) with the flange combination double sintering that first kind screw (7) and first kind spring washer (8) press seal become.
5. metallic ceramics sintering high temperature high-voltage electrical apparatus penetration piece according to claim 4, it is characterized in that, between the composition surface of interior bearing flange (3) and outer bearing flange (4), form a cavity, by the inner endoporus of outer bearing flange (4), connecting pipe (10), T-valve group (11) and tensimeter (12), lead to cavity, for to electrical penetration gas-monitoring slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320400879.XU CN203444768U (en) | 2013-07-05 | 2013-07-05 | Cermet-sintered high-temperature-resistant and high-pressure-resistant electrical penetration assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320400879.XU CN203444768U (en) | 2013-07-05 | 2013-07-05 | Cermet-sintered high-temperature-resistant and high-pressure-resistant electrical penetration assembly |
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| Publication Number | Publication Date |
|---|---|
| CN203444768U true CN203444768U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320400879.XU Expired - Lifetime CN203444768U (en) | 2013-07-05 | 2013-07-05 | Cermet-sintered high-temperature-resistant and high-pressure-resistant electrical penetration assembly |
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| Country | Link |
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| CN (1) | CN203444768U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217772A (en) * | 2014-08-15 | 2014-12-17 | 江苏华光电缆电器有限公司 | High-temperature high-pressure electrical penetration assembly |
| 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 |
-
2013
- 2013-07-05 CN CN201320400879.XU patent/CN203444768U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217772A (en) * | 2014-08-15 | 2014-12-17 | 江苏华光电缆电器有限公司 | High-temperature high-pressure electrical penetration assembly |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |