CN204117607U - The electric penetration piece of High Temperature High Pressure - Google Patents
The electric penetration piece of High Temperature High Pressure Download PDFInfo
- Publication number
- CN204117607U CN204117607U CN201420464492.5U CN201420464492U CN204117607U CN 204117607 U CN204117607 U CN 204117607U CN 201420464492 U CN201420464492 U CN 201420464492U CN 204117607 U CN204117607 U CN 204117607U
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- Prior art keywords
- high temperature
- penetration piece
- ring flange
- high pressure
- flange
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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 belongs to nuclear reactor technology field, relates to penetration piece, particularly relates to the electric penetration piece of a kind of High Temperature High Pressure.The technical matterss such as it solve prior art design reasonable not, safety coefficient is low, sealing difference.The electric penetration piece of this High Temperature High Pressure comprises pressure monitoring component and at least one electrode, this penetration piece also comprises the ring flange with cavity, described pressure monitoring component is arranged on ring flange, described electrode comprises and runs through described cavity and the tubular insulator be connected with flangeseal, and running through this tubular insulator and two ends extend to the conductor outside ring flange respectively, described tubular insulator is shaping and to be connected as a single entity formula with described conductor by high temperature sintering.Compared with prior art, the utility model advantage is: reasonable in design, and structure is simple, and overall construction intensity is high, and safety coefficient is high, sealing and insulation effect good.
Description
Technical field
The utility model belongs to nuclear reactor technology field, relates to penetration piece, particularly relates to the electric penetration piece of a kind of High Temperature High Pressure.
Background technology
Heap-type high temperature gas cooled reactor: make cooling medium with helium, the nuclear reactor that outlet temperature is high.High temperature gas cooled reactor adopts coated particle fuel, makes moderator with graphite.It is high that it has the thermal efficiency, and burnup is dark, and advantages of higher is compared in conversion.Electrical penetration is used for coupled reaction and piles inside and outside equipment, therefore its not only want can withstand prolonged irradiation, burn into high temperature and aging, ensure the sealing under normal running (operation) conditions and electrical continuity, also need to have meet above-mentioned requirements in the situations such as various accident conditions (as earthquake, LOCA).Existing electrical penetration generally comprises cylindrical shell, at cylindrical shell two ends, end cap is set, some wires are provided with in cylindrical shell, this structure is simple, easy manufacture, but this electrical penetration includes but not limited to following shortcoming: 1, when cylindrical shell be arranged on comprise body of wall etc. upper time, its structural strength is poor, is easily out of shape.2, design unreasonable, its resistance to irradiation, corrosion and heat-resisting ability are poor, and easily aging, serviceable life is short.3, sealing is poor, easily reveals.4, electrical penetration is when continuous working, less stable.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose various solution.Such as, Chinese patent literature discloses a kind of high temperature gas cooled reactor primary Ioops electrical penetration [application number: 201020616267.0], be made up of penetration piece body, shell internal wiring case and shell external connection case, it is characterized in that: described penetration piece body, comprise cylindrical shell, the conductor assembly be placed in cylindrical shell, pressure monitoring component is housed is set in the end plate flanges of described conductor assembly one end and is set in the end plate of the described conductor assembly other end, the two ends of its middle cylinder body are welded with end plate flanges and end plate respectively and are formed one.
Such scheme improves the subproblem of existing electrical penetration to a certain extent, but the structure of the program is comparatively complicated, in addition, the sealing of this electrical penetration is poor, easily reveals, and causes the job stability of whole reactor plant to be deteriorated, secondly, serviceable life is short.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of structure simpler, can improve stability during reactor plant work, better tightness, the electric penetration piece of safe and reliable High Temperature High Pressure.
For achieving the above object, the utility model have employed following technical proposal: the electric penetration piece of this High Temperature High Pressure comprises pressure monitoring component and at least one electrode, it is characterized in that, this penetration piece also comprises the ring flange with cavity, described pressure monitoring component is arranged on ring flange, described electrode comprises and runs through described cavity and the tubular insulator be connected with flangeseal, and running through this tubular insulator and two ends extend to the conductor outside ring flange respectively, described tubular insulator is shaping and to be connected as a single entity formula with described conductor by high temperature sintering.In the utility model, tubular insulator is that directly high temperature sintering is fixed together with conductor, and ensure that the high leakproofness between tubular insulator and conductor, in addition, tubular insulator and ring flange are also high-seals, improves stability during reactor plant work; In addition, this structure is simple, easily manufactures and installs, virtually improve production efficiency.
As a kind of prioritization scheme, in the electric penetration piece of above-mentioned High Temperature High Pressure, described conductor is provided with and is positioned at described tubular insulator two ends and the sealing ring be all connected with tubular insulator and conductor.Adopt soldering processes to be connected between sealing ring and tubular insulator, between sealing ring and conductor, adopt soldering processes to be connected, guarantee sealing and strength of joint.
In the electric penetration piece of above-mentioned High Temperature High Pressure, described sealing ring and ring flange welding are connected, and the face of weld of sealing ring and ring flange is provided with pressing plate, and described pressing plate is fixed on ring flange by hold-down mechanism.Pressing plate can ensure uniform force between sealing ring and ring flange.
In the electric penetration piece of above-mentioned High Temperature High Pressure, sealant layer is provided with between the face of weld of described sealing ring and ring flange and pressing plate, described pressing plate is provided with away from an end face of sealant layer the porcelain vase be sleeved on conductor, and porcelain vase can solve heavy-current discharge phenomenon.
In the electric penetration piece of above-mentioned High Temperature High Pressure, described ring flange is made up of nuclear grade stainless steel forgings; Described conductor is made up of copper rod; Described tubular insulator is made up of aluminium oxide ceramics.Nuclear grade stainless steel is 0Cr18Ni9, and its serviceable life is at least 60 years; Aluminium oxide ceramics is A-95, and it is excellent that it has chemical stability, and dielectric strength is high, and disruptive strength is more than 18KV/mm, and rupture strength is more than advantages such as 280Mpa.
In the electric penetration piece of above-mentioned High Temperature High Pressure, described pressing plate is made up of polyetheretherketonematerials materials.Polyetheretherketone: there is the physical and chemical performances such as high temperature resistant, chemical resistance corrosion, extend serviceable life of the present utility model.
In the electric penetration piece of above-mentioned High Temperature High Pressure, described hold-down mechanism comprises the compression plate that an end face and pressing plate recline, and compression plate is provided with some screws, ring flange is provided with some screws, and described screw is with screw one_to_one corresponding and be threaded.Be easy to installation and removal.
In the electric penetration piece of above-mentioned High Temperature High Pressure, described compression plate is provided with the resigning hole that the described porcelain vase of some confessions passes.Convenient installation.
In the electric penetration piece of above-mentioned High Temperature High Pressure, described ring flange comprises the first flange plate and the second flange plate that mutually fasten, forms above-mentioned cavity when the first flange plate and the second flange plate fasten mutually.First flange plate and the second flange plate are fixed together by some bolts, are easy for installation and removal.
In the electric penetration piece of above-mentioned High Temperature High Pressure, described ring flange is located by fixed sturcture.Fixed sturcture is be arranged on the positioning step on the first flange plate and/or the second flange plate, conveniently installs and fixes.
Compared with prior art, the advantage of the electric penetration piece of this High Temperature High Pressure is: 1, reasonable in design, structure is simple.2, tubular insulator is that directly high temperature sintering is fixed together with conductor, and ensure that the high leakproofness between tubular insulator and conductor, in addition, tubular insulator and ring flange are also high-seals, improves stability during reactor plant work.3, structural strength is high.4, safety coefficient is high.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 be in Fig. 1 A-A to sectional structure schematic diagram.
In figure, ring flange 1, cavity 1a, the first flange plate 11, A O-ring seal 11a, B O-ring seal 11b, bolt 11c, positioning step 11d, the second flange plate 12, deep gouge 13, electrode 2, tubular insulator 21, conductor 22, pressure monitoring component 3, sealing ring 4, pressing plate 5, compression plate 51, screw 52, screw 53, spring shim 54, porcelain vase 6, resigning hole 61, sealant layer 7.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1-2, the electric penetration piece of this High Temperature High Pressure comprises pressure monitoring component 3 and at least one electrode 2, this penetration piece also comprises the ring flange 1 with cavity 1a, in order to ensure the serviceable life of at least 60 years, this ring flange 1 is made up of nuclear grade stainless steel (0Cr18Ni9) forging, described pressure monitoring component 3 is arranged on ring flange 1, here ring flange 1 comprises the first flange plate 11 and the second flange plate 12 mutually fastened, first flange plate 11 and the second flange plate 12 form above-mentioned cavity 1a when mutually fastening, first flange plate 11 and the second flange plate 12 are connected by welding, moreover, in order to prevent revealing, sealing mechanism is provided with between the first flange plate 11 and the second flange plate 12, here sealing mechanism comprises and is arranged on A O-ring seal 11a between the first flange plate 11 and the second flange plate 12 and B O-ring seal 11b, in addition, conveniently mount and dismount, here the first flange plate 11 and the second flange plate 12 are fixed together by some bolt 11c, sealing-in is carried out in the junction argon arc welding of the first flange plate 11 and the second flange plate 12.In addition, described ring flange 1 is located by fixed sturcture; Concrete, fixed sturcture here comprises the positioning step 11d be arranged on the first flange plate 11 and/or the second flange plate 12, can conveniently for installing and fixing.
In the present embodiment, as shown in Figure 2, electrode 2 comprises and runs through described cavity 1a and seal with ring flange 1 the tubular insulator 21 be connected, and run through this tubular insulator 21 and two ends extend to the conductor 22 outside ring flange 1 respectively, this conductor 22 is made up of copper rod, described tubular insulator 21 is shaping and to be connected as a single entity formula with described conductor 22 by high temperature sintering, tubular insulator 21 is made up of aluminium oxide ceramics (A-95), it is excellent that A-95 has chemical stability, dielectric strength is high, disruptive strength is more than 18KV/mm, and rupture strength is more than advantages such as 280Mpa.
Tubular insulator 21 is that directly high temperature sintering is fixed together with conductor 22, ensure that the sealing between tubular insulator 21 and conductor 22, in addition, tubular insulator 21 and ring flange 1 are also high-seals, concrete, conductor 22 is provided with and is positioned at described tubular insulator 21 two ends and the sealing ring 4 be all connected with tubular insulator 21 and conductor 22, sealing ring 4 and ring flange 1 welding are connected, the face of weld of sealing ring 4 and ring flange 1 is provided with pressing plate 5, this pressing plate 5 is made up of polyetheretherketonematerials materials, polyetheretherketone has high temperature resistant, the physical and chemical performances such as chemical resistance corrosion, serviceable life of the present utility model can be extended, in order to ring flange 1 can be fixed on by firm for pressing plate 5, described pressing plate 5 is fixed on ring flange 1 by hold-down mechanism, concrete, as shown in Figure 2, here hold-down mechanism comprises the compression plate 51 that an end face and pressing plate 5 recline, compression plate 51 is provided with some screws 52, ring flange 1 is provided with some screws 53, described screw 52 is with screw 53 one_to_one corresponding and be threaded, screw 52 is arranged with spring shim 54, one end face of spring shim 54 abuts on the head of screw 52, other end abuts on compression plate 51, can prevent screw 5 from relaxing.
Soldering processes are adopted to be connected between sealing ring 4 in the utility model and tubular insulator 21, soldering processes are adopted to be connected between sealing ring 4 and conductor 22, soldering adopts import VFS height intermediate temperature sealing stove, adopt 24 comprehensive thermometrics, full-automatic supply automatic heating system, accomplish to ensure at ± 2 degrees Celsius in high-temperature region welding temperature gap, thus ensure reliability, the coherence request of product.In addition, sealant layer 7 is provided with between the face of weld and pressing plate 5 of sealing ring 4 and ring flange 1, described pressing plate 5 is provided with away from an end face of sealant layer 7 porcelain vase 6 be sleeved on conductor 22, in order to improve sealing, fluid sealant is respectively equipped with, for improving the effect of sealing further between pressing plate 5 and porcelain vase 6, between porcelain vase 6 and conductor 22.
Secondly, compression plate 51 is provided with the resigning hole 61 that the described porcelain vase 6 of some confessions passes, facilitates porcelain vase 6 to install.In order to improve the strength of joint between electrode 2 and ring flange 1, be respectively equipped with deep gouge 13 at the two ends of ring flange 1, an end face of pressing plate 5 abuts in the groove bottom of deep gouge 13, and the depth dimensions of deep gouge 13 is equal to or less than the gauge of pressing plate 5.
Property indices of the present utility model:
Operating voltage: 6.6Kv;
Working current is: 538A;
Gas pressure test: inside cavity can bear 4.0Mpa gaseous tension, section can bear 8.0Mpa gaseous tension;
Slip: the slip of whole equipment is that 0.1Mpa helium is less than 1.0 × 10-8Pa.m3/s, serviceable life: 60 years.
Design temperature of the present utility model is 240 DEG C; Working temperature is 150 DEG C; Design pressure is 8.1Mpa; Working pressure is 7.0Mpa; Rated voltage is 8000V; Operating voltage is 6000V; Working current is 50A; Short-time overload electric current 1s is 50A, 1K-1s is 26A.
The thermal expansivity of the utility model copper rod is 1.65 × 10-5/ DEG C, stainless thermal expansivity is 1.74 × 10-5/ DEG C, pottery thermal expansivity is 7.85 × 10-6/ DEG C, carry is not improve ring flange 1, sealing between tubular insulator 21 and electrode 2, and insulation effect is good, leakage can be down to minimum, optimize stability during reactor plant work, also just improve safety coefficient when reactor plant runs simultaneously; In addition, the utility model structure is simple, is easy to manufacture and install, and production efficiency is high.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the term such as ring flange 1, cavity 1a, the first flange plate 11, A O-ring seal 11a, B O-ring seal 11b, bolt 11c, positioning step 11d, the second flange plate 12, deep gouge 13, electrode 2, tubular insulator 21, conductor 22, pressure monitoring component 3, sealing ring 4, pressing plate 5, compression plate 51, screw 52, screw 53, spring shim 54, porcelain vase 6, resigning hole 61, sealant layer 7 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (10)
1. the electric penetration piece of High Temperature High Pressure, comprise pressure monitoring component (3) and at least one electrode (2), it is characterized in that, this penetration piece also comprises the ring flange (1) with cavity (1a), described pressure monitoring component (3) is arranged on ring flange (1), described electrode (2) comprises and runs through described cavity (1a) and seal with ring flange (1) the tubular insulator (21) be connected, and run through this tubular insulator (21) and two ends extend to ring flange (1) conductor outward (22) respectively, described tubular insulator (21) is shaping and to be connected as a single entity formula with described conductor (22) by high temperature sintering.
2. the electric penetration piece of High Temperature High Pressure according to claim 1, it is characterized in that, described conductor (22) is provided with and is positioned at described tubular insulator (21) two ends and the sealing ring (4) be all connected with tubular insulator (21) and conductor (22).
3. the electric penetration piece of High Temperature High Pressure according to claim 2, it is characterized in that, described sealing ring (4) and ring flange (1) welding are connected, the face of weld of sealing ring (4) and ring flange (1) is provided with pressing plate (5), and described pressing plate (5) is fixed on ring flange (1) by hold-down mechanism.
4. the electric penetration piece of High Temperature High Pressure according to claim 3, it is characterized in that, be provided with sealant layer (7) between the face of weld of described sealing ring (4) and ring flange (1) and pressing plate (5), described pressing plate (5) is provided with away from an end face of sealant layer (7) porcelain vase (6) be sleeved on conductor (22).
5. the electric penetration piece of High Temperature High Pressure according to claim 1 or 2 or 3, is characterized in that, described ring flange (1) is made up of nuclear grade stainless steel forgings; Described conductor (22) is made up of copper rod; Described tubular insulator (21) is made up of aluminium oxide ceramics.
6. the electric penetration piece of High Temperature High Pressure according to claim 3, is characterized in that, described pressing plate (5) is made up of polyetheretherketonematerials materials.
7. the electric penetration piece of High Temperature High Pressure according to claim 4, it is characterized in that, described hold-down mechanism comprises the compression plate (51) that an end face and pressing plate (5) recline, compression plate (51) is provided with some screws (52), ring flange (1) is provided with some screws (53), and described screw (52) is with screw (53) one_to_one corresponding and be threaded.
8. the electric penetration piece of High Temperature High Pressure according to claim 7, is characterized in that, described compression plate (51) is provided with the resigning hole (61) that the described porcelain vase of some confessions (6) passes.
9. the electric penetration piece of High Temperature High Pressure according to claim 1, it is characterized in that, described ring flange (1) comprises the first flange plate (11) and the second flange plate (12) that mutually fasten, forms above-mentioned cavity (1a) when the first flange plate (11) and the second flange plate (12) fasten mutually.
10. the electric penetration piece of High Temperature High Pressure according to claim 9, is characterized in that, described ring flange (1) is located by fixed sturcture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420464492.5U CN204117607U (en) | 2014-08-15 | 2014-08-15 | The electric penetration piece of High Temperature High Pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420464492.5U CN204117607U (en) | 2014-08-15 | 2014-08-15 | The electric penetration piece of High Temperature High Pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204117607U true CN204117607U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420464492.5U Expired - Fee Related CN204117607U (en) | 2014-08-15 | 2014-08-15 | The electric penetration piece of High Temperature High Pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204117607U (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 |
| CN110608888A (en) * | 2019-09-27 | 2019-12-24 | 华中科技大学 | Single-drop evaporation and combustion experimental device in high-temperature high-pressure and turbulent environment |
-
2014
- 2014-08-15 CN CN201420464492.5U patent/CN204117607U/en not_active Expired - Fee Related
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 |
| CN110608888A (en) * | 2019-09-27 | 2019-12-24 | 华中科技大学 | Single-drop evaporation and combustion experimental device in high-temperature high-pressure and turbulent environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150121 Termination date: 20210815 |