CN202930053U - Double-cylinder component-based electrical penetration assembly used for double-layer containment vessels - Google Patents
Double-cylinder component-based electrical penetration assembly used for double-layer containment vessels Download PDFInfo
- Publication number
- CN202930053U CN202930053U CN2012206622457U CN201220662245U CN202930053U CN 202930053 U CN202930053 U CN 202930053U CN 2012206622457 U CN2012206622457 U CN 2012206622457U CN 201220662245 U CN201220662245 U CN 201220662245U CN 202930053 U CN202930053 U CN 202930053U
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- assembly
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- cylinder body
- outer cylinder
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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
Abstract
The utility model discloses a double-cylinder component-based electrical penetration assembly used for double-layer containment vessels. The electrical penetration assembly comprises an inner-cylinder component and an external-cylinder component, wherein the inner-cylinder component is arranged on a pre-buried casing of an inner containment vessel, which is arranged at the inner containment vessel; and the external-cylinder component is arranged on a pre-buried casing of an external containment vessel, which is arranged in the external containment vessel. At least one inner conductor component is arranged in the inner-cylinder component. The inner conductor components are connected with an inner junction box. External conductor components the number of which corresponds to the number of the inner conductor components are arranged in the external-cylinder component. The external conductor components are connected with an external junction box. The inner conductor components and the external conductor components are connected in a one-to-one correspondence manner. Compared with the integrated structure of an electrical penetration assembly of a single-layer containment vessel, the two-section structure which is adopted by the double-cylinder component-based electrical penetration assembly not only can ensure the electric performance, the mechanical performance and the sealing performance, but also can facilitate the installation and the detection on site, achieve the maintainability, the replaceability and the expandability after the installation, reduce the length, lower the requirements on use environment and lower the difficulty in assembly and use.
Description
Technical field
The utility model relates to the assembly type electrical penetration in the nuclear industry field, specifically refers to the double shell assembly type electrical penetration for double containment.
Background technology
The double containment of nuclear reactor is to increase one deck containment in the outside of original single barrier containment again, and forms annular space between two containments; On the composition of containment, mainly contain two kinds of forms, a kind of is that internal layer adopts metal containment, the outer mixed clay structure of reinforcing bar that adopts is as AP1000 nuclear power plant; Another kind is that inside and outside layer all adopts reinforcing bar to mix clay structure, as EPR nuclear power plant.
for the cable penetration electrical penetration, " nuclear power plant's low-voltage electrical penetration piece " as Chinese patent ZL2005020010527.0 announcement, the various types electrical penetration of mentioning in " nuclear power plant's low-voltage electrical penetration piece " that " the embedding assembly type low-voltage electrical penetration piece " that ZL200620137311.3 announces and ZL200620137310.9 announce, this type of version is grafted directly on double containment, following problem will occur: (1) is if directly use, the entire length that needs to increase cylinder assembly reaches the 5m left and right, weight increases, on-the-spot length space and the larger lifting appliance that needs 5m above of installing, supporting space for nuclear power plant, facility and workman have higher requirement, increased installation difficulty, (2) dismounting of conductor assembly also needs larger space, in nuclear power plant's operational process, each equipment room very easily forms space interference, might can't dismounting or for can dismounting, need electrical penetration is arranged on specific zone, thereby increased the design and construction difficulty, (3) installation and maintenance of the purposes of annular space and penetration piece from double containment, a cylindrical shell directly runs through annular region, and carrying that rear miscellaneous equipment is installed and the repair and maintenance of installation and penetration piece itself have been brought great inconvenience.
The utility model content
The purpose of this utility model is to be provided for the double shell assembly type electrical penetration of double containment, not only can guarantee every electric, machinery and sealing property, and can also be convenient to on-the-spot installation, detection, and reach maintainability, convertibility and extensibility after installation.
The purpose of this utility model is achieved through the following technical solutions:
Be used for the double shell assembly type electrical penetration of double containment, comprise being arranged on primary containment, the primary containment service sleeve on the inner barrel assembly, also comprise the outer cylinder body assembly on the outer containment service sleeve that is arranged on outer containment; The inner barrel assembly is connected with the internal wiring case, the outer cylinder body assembly is connected with the external connection case, in described inner barrel assembly, at least one inner conductor component is arranged, the outer conductor assembly corresponding with the quantity of inner conductor component is installed in cylinder assembly outside, the outer conductor assembly is connected with the external connection case, and inner conductor component and outer conductor assembly connect one to one.the electrical penetration that the utility model is invented mainly is comprised of two parts: be arranged on respectively inner barrel assembly and outer cylinder body assembly on primary containment and outer containment, wherein, be provided with the primary containment service sleeve on primary containment, this sleeve pipe passes primary containment, pass through the passage of primary containment as cable, fix an inner barrel assembly by welding flange on the primary containment service sleeve, the inner barrel component internal is installed inner conductor component, inner conductor component one end passes the inboard end plate of inner barrel assembly and extends to the internal wiring case of primary containment inside, the other end of inner conductor component passes inner barrel assembly outside end plate, the inner conductor component two ends all by seal assembly and sealing pressing jack panel be fixed on the inner barrel assembly in, on the end plate of the outside, in like manner, outer containment service sleeve passes outer containment, pass through welding flange fixed outer cylinder body assembly on outer containment service sleeve, the outer cylinder body component internal is equipped with a plurality of outer conductor assemblies, the outer conductor assembly runs through the outer cylinder body assembly, the one end extends to the external connection case, and the other end is connected with inner conductor component, and inner conductor component is corresponding one by one with the outer conductor assembly.So, for the monolithic construction that single barrier containment electric run through assembly, adopt the two-part structure not only can guarantee every electric, machinery and sealing property, and can also be convenient to on-the-spot installation, detection, reach maintainability, convertibility and extensibility after installation, particularly reduce whole length, reduced the requirement to environment for use, reduced the degree of difficulty of installing and using.
Described inner barrel assembly is fixed on the primary containment service sleeve by welding flange, and described outer cylinder body assembly is fixed on outer containment service sleeve by welding flange.Further, adopt welding flange that the inner barrel assembly is fixed on mode on the pre-buried pipeline of primary containment, its processing technology is more ripe, the intensity of welding is higher, easy to use, in like manner, the outer cylinder body assembly also is fixed on outer containment service sleeve by welding flange.
Described inner conductor component and outer conductor assembly include through the conduit of inner barrel assembly or outer cylinder body assembly, and many cores are installed in conduit, and the core of inner conductor component is connected core and is connected by termination with the outer conductor assembly.further, inner conductor component is identical with the structure of outer conductor assembly, include conduit, this conduit is through the two ends of inner barrel assembly or outer cylinder body assembly, conduit is fixed and seals by seal assembly and sealing pressing jack panel, many cores are installed in conduit, core itself has good sealing property, the internal wiring case of the core of inner conductor component in primary containment is connected with the containment inside cable, the core of outer conductor assembly is connected with the containment external cable at the external connection case of outer containment outside, inner conductor component closely is fixedly connected with by termination with the core of outer conductor assembly, in the annular space of termination between primary containment and outer containment, so, both be convenient to install, be convenient to again change and follow-up expansion.
Be set with corrugated tube outside described termination, described corrugated tube is connected to both sides extension and the conduit of being connected with the outer conductor assembly with inner conductor component.Further; as further improvement of the utility model; by the suit of the core outside surface between inner barrel assembly and outer cylinder body assembly corrugated tube; corrugated tube is wrapped in inside with the core of an inner conductor component and outer conductor assembly; being connected respectively conduit and being connected in the two ends of corrugated tube with the outer conductor assembly with inner conductor component, has realized the protection to core and termination.
A plurality of support bars that are parallel to each other are installed between inner barrel assembly and outer cylinder body assembly, are provided with a plurality of back up pads perpendicular to support bar on support bar, described corrugated tube passes back up pad.Further, as further improvement of the utility model, for conductor assembly core and termination to the corrugated tube protection are fixed and protect, realize orderly management, the maintenance of cable, guarantee the inside and outside electrical connection reliably of double containment; By forming frame body with support bar and back up pad; frame body is between inner barrel assembly and outer cylinder body assembly; the end face of back up pad and inner barrel assembly is parallel to each other; be provided with on back up pad be used to the through hole that passes corrugated tube; the axis of support bar and the axis of corrugated tube are parallel to each other; so, corrugated tube can be fixed and protect to frame body.
All be connected with pressure guiding pipe in described inner barrel assembly and outer cylinder body assembly, the pressure guiding pipe of inner barrel assembly extends to outer cylinder body assembly outside and inner barrel pressure detection table is installed, and the pressure guiding pipe of outer cylinder body assembly extends to outer cylinder body assembly outside and outer cylinder body pressure detection table is installed.Further, pressure guiding pipe is passed to the pressure detection table with the pressure of inner barrel component internal and outer cylinder body component internal as the reference signal, respectively as the check point of two inner barrel pressure.
The utility model compared with prior art has following advantage and beneficial effect:
1 the utility model is used for the double shell assembly type electrical penetration of double containment, outer containment service sleeve passes outer containment, pass through welding flange fixed outer cylinder body assembly on outer containment service sleeve, the outer cylinder body component internal is equipped with a plurality of outer conductor assemblies, the outer conductor assembly passes the outer cylinder body assembly, and its two ends respectively with the external connection case, and inner conductor component connects, inner conductor component is corresponding one by one with the outer conductor assembly, so, for the monolithic construction that single barrier containment electric run through assembly, adopt the two-part structure not only can guarantee every electric, machinery and sealing property, and can also be convenient to on-the-spot installation, detect, reach the maintainability after installation, convertibility and extensibility, reduced especially whole length, reduced the requirement to environment for use, reduced the degree of difficulty of installing and using,
2 the utility model are used for the double shell assembly type electrical penetration of double containment, adopt welding flange that the inner barrel assembly is fixed on mode on the pre-buried pipeline of primary containment, its processing technology is more ripe, the intensity of welding is higher, easy to use, the outer cylinder body assembly also is fixed on outer containment service sleeve by welding flange, and inside and outside cylinder assembly can independently guarantee the sealing property of inside and outside layer containment, guarantees the reliable connection of inside and outside layer containment cable;
3 the utility model are used for the double shell assembly type electrical penetration of double containment, adopt the pressure guiding pipe with the inner barrel assembly extend to outer cylinder body assembly outside and inner barrel pressure detection table is installed, and are convenient to centralized detecting and the management of inside and outside cylinder assembly pressure;
4 the utility model are used for the double shell assembly type electrical penetration of double containment, by the suit of the core outside surface between inner barrel assembly and outer cylinder body assembly corrugated tube, corrugated tube is wrapped in inside with core and the termination of an inner conductor component and outer conductor assembly, be connected respectively the end and be connected in the two ends of corrugated tube with the outer cylinder body assembly with the inner barrel assembly, by the bracing frame that support bar and back up pad form, core and the termination of the protection of the corrugated tube in annular space are fixed reliably and protected, realize that whole reactor inside and outside cable is electrically connected reliably.
Description of drawings
Fig. 1 is one-piece construction schematic diagram after the utility model partly cut-away.
Mark and corresponding parts title in accompanying drawing:
1-internal wiring case, 2-inner conductor component, 3-inner barrel assembly, 4-welding flange, the 5-primary containment, 6-primary containment service sleeve, 7-seal assembly, 8-sealing pressing jack panel, the 9-pressure guiding pipe, 10-core, 11-termination, the outer containment service sleeve of 12-, the outer containment of 13-, 14-outer cylinder body pressure detection table, 15-inner barrel pressure detection table, the 16-corrugated tube, 17-support bar, 18-back up pad, 19-outer cylinder body assembly, 20-outer conductor assembly, 21-external connection case.
Embodiment
The utility model is described in further detail below in conjunction with embodiment, but embodiment of the present utility model is not limited to this.
Embodiment
as shown in Fig. 1 to 2, the double shell assembly type electrical penetration that the utility model is used for double containment mainly is comprised of two parts: be arranged on respectively inner barrel assembly 3 and outer barrel component 19 on primary containment 5 and outer containment 13, wherein, be provided with primary containment service sleeve 6 on primary containment 5, this sleeve pipe passes primary containment 5, pass through the passage of primary containment 5 as cable, fix an inner barrel assembly 3 by welding flange 4 on primary containment service sleeve 6, the inner inner conductor component 2 of installing of inner barrel assembly 3, inner conductor component 2 is connected with the internal wiring case 1 of primary containment 5 inside, the other end of inner conductor component 2 passes the end face of inner barrel assembly 3, and be fixed on inner barrel assembly 3 by seal assembly 7 and sealing pressing jack panel 8, outer containment service sleeve 12 passes outer containment 13, pass through welding flange 4 fixed outer cylinder body assemblies 19 on outer containment service sleeve 12, outer cylinder body assembly 19 inside are equipped with a plurality of outer conductor assemblies 20, and the end face that outer conductor assembly 20 passes outer cylinder body assembly 19 is connected with external connection case 21, inner conductor component 2 is identical with the structure of outer conductor assembly 20, include conduit, this conduit is through the two ends of inner barrel assembly 3 or outer cylinder body assembly 19, conduit is fixed and seals by seal assembly 7 and sealing pressing jack panel 8, many cores 10 are installed in conduit, core 10 itself has good sealing property, the core 10 of inner conductor component 2 is connected on the interior internal wiring case 1 of primary containment 5, the core 10 of outer conductor assembly 20 is connected on the external connection case 21 of outer containment 13 outsides, the core 10 of inner conductor component 2 and outer conductor assembly 2 closely is fixedly connected with by termination 11, in the space of termination 11 between primary containment 5 and outer containment 13, inner conductor component 2 connects one to one with outer conductor assembly 19, core 10 outside surface suit corrugated tubes 16 between inner barrel assembly 3 and outer cylinder body assembly 19, the two ends of corrugated tube 16 are connected with the conduit that inner conductor component 2 is connected with the outer conductor assembly respectively, form frame body with support bar 17 and back up pad 18, frame body is between inner barrel assembly 3 and outer cylinder body assembly 19, back up pad 18 is parallel to each other with the end face of inner barrel assembly 3, be provided with on back up pad 18 be used to the through hole that passes corrugated tube 16, the axis of the axis of support bar 17 and corrugated tube 16 is parallel to each other, the pressure guiding pipe 9 of inner barrel assembly 3 extends to outer cylinder body assembly 19 outsides and is connected to inner barrel pressure detection table 15, and the pressure guiding pipe 9 of outer cylinder body assembly 19 extends to outer cylinder body assembly 19 outsides and is connected to outer cylinder body pressure detection table 14.
The above; it is only preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, any simple modification, the equivalent variations on every foundation technical spirit of the present utility model, above embodiment done are within all falling into protection domain of the present utility model.
Claims (6)
1. be used for the double shell assembly type electrical penetration of double containment, comprise the inner barrel assembly (3) on the primary containment service sleeve (6) that is arranged on primary containment (5), also comprise the outer cylinder body assembly (19) on the outer containment service sleeve (12) that is arranged on outer containment (13); Inner barrel assembly (3) is connected with internal wiring case (1), outer cylinder body assembly (19) is connected with external connection case (21), it is characterized in that: at least one inner conductor component (2) is arranged in described inner barrel assembly (3), the outer conductor assembly (20) corresponding with the quantity of inner conductor component (2) is installed in cylinder assembly (19) outside, outer conductor assembly (20) is connected with external connection case (21), and inner conductor component (2) connects one to one with outer conductor assembly (20).
2. the double shell assembly type electrical penetration for double containment according to claim 1, it is characterized in that: described inner barrel assembly (3) is fixed on primary containment service sleeve (6) by welding flange (4), and described outer cylinder body assembly (19) is fixed on outer containment service sleeve (12) by welding flange (4).
3. the double shell assembly type electrical penetration for double containment according to claim 1, it is characterized in that: described inner conductor component (2) and outer conductor assembly (20) include through the conduit of inner barrel assembly (3) or outer cylinder body assembly (19), many cores (10) are installed in conduit, and the core (10) of inner conductor component (2) is connected 20 with the outer conductor assembly) core (10) connect by termination (11).
4. the double shell assembly type electrical penetration for double containment according to claim 3, it is characterized in that: be set with corrugated tube (16) outside described termination (11), described corrugated tube (16) extends to both sides and is connected 20 with inner conductor component (2) with the outer conductor assembly) conduit be connected.
5. the double shell assembly type electrical penetration for double containment according to claim 4, it is characterized in that: between inner barrel assembly (3) and outer cylinder body assembly (19), a plurality of support bars that are parallel to each other (17) are installed, be provided with a plurality of back up pads perpendicular to support bar (17) (18) on support bar (17), described corrugated tube (16) passes back up pad (18).
6. the double shell assembly type electrical penetration for double containment according to claim 1, it is characterized in that: all be connected with pressure guiding pipe (9) in described inner barrel assembly (3) and outer cylinder body assembly (19), the pressure guiding pipe of inner barrel assembly (3) extends to outer cylinder body assembly (19) outside and inner barrel pressure detection table (15) is installed, and the pressure guiding pipe of outer cylinder body assembly (19) extends to outer cylinder body assembly (19) outside and outer cylinder body pressure detection table (14) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206622457U CN202930053U (en) | 2012-12-05 | 2012-12-05 | Double-cylinder component-based electrical penetration assembly used for double-layer containment vessels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206622457U CN202930053U (en) | 2012-12-05 | 2012-12-05 | Double-cylinder component-based electrical penetration assembly used for double-layer containment vessels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202930053U true CN202930053U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206622457U Expired - Lifetime CN202930053U (en) | 2012-12-05 | 2012-12-05 | Double-cylinder component-based electrical penetration assembly used for double-layer containment vessels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202930053U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683718A (en) * | 2017-03-03 | 2017-05-17 | 清华大学天津高端装备研究院 | Penetration piece suitable for high-temperature environment and nuclear facilities |
| CN107658030A (en) * | 2017-09-21 | 2018-02-02 | 大连理工大学 | A kind of ECC ripples filling reactor shock resistance shielding water jacket |
| CN110853776A (en) * | 2019-10-21 | 2020-02-28 | 国核工程有限公司 | Nuclear power station electrical penetration assembly and installation method thereof |
| CN115798747A (en) * | 2022-12-02 | 2023-03-14 | 中国核动力研究设计院 | Monomer dilatation middling pressure electric penetration piece suitable for heap |
-
2012
- 2012-12-05 CN CN2012206622457U patent/CN202930053U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683718A (en) * | 2017-03-03 | 2017-05-17 | 清华大学天津高端装备研究院 | Penetration piece suitable for high-temperature environment and nuclear facilities |
| CN107658030A (en) * | 2017-09-21 | 2018-02-02 | 大连理工大学 | A kind of ECC ripples filling reactor shock resistance shielding water jacket |
| CN107658030B (en) * | 2017-09-21 | 2019-10-29 | 大连理工大学 | A kind of ECC ripple filling reactor shock resistance shielding water jacket |
| CN110853776A (en) * | 2019-10-21 | 2020-02-28 | 国核工程有限公司 | Nuclear power station electrical penetration assembly and installation method thereof |
| CN115798747A (en) * | 2022-12-02 | 2023-03-14 | 中国核动力研究设计院 | Monomer dilatation middling pressure electric penetration piece suitable for heap |
| CN115798747B (en) * | 2022-12-02 | 2024-04-23 | 中国核动力研究设计院 | Single-body capacity-expansion medium-voltage electric penetration piece suitable for small stacks |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |