CN1189892C - Reactor safe case electric thermo-couple through parts - Google Patents
Reactor safe case electric thermo-couple through parts Download PDFInfo
- Publication number
- CN1189892C CN1189892C CNB031570542A CN03157054A CN1189892C CN 1189892 C CN1189892 C CN 1189892C CN B031570542 A CNB031570542 A CN B031570542A CN 03157054 A CN03157054 A CN 03157054A CN 1189892 C CN1189892 C CN 1189892C
- Authority
- CN
- China
- Prior art keywords
- thermocouple
- thermopair
- penetration piece
- welded
- tube
- 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.)
- Expired - Fee Related
Links
- 230000007704 transition Effects 0.000 claims abstract description 11
- 230000035515 penetration Effects 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical group [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 9
- 239000004020 conductor Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Landscapes
- Installation Of Indoor Wiring (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The present invention relates to a thermocouple penetrating piece for safe cases of reactors, which belongs to the technical field of the process variable detection of nuclear engineering. In order to provide a thermocouple penetrating piece with simple structure, mature manufacturing technology, low cost, reliable performance, good hermetic sealing performance and good pressure bearing performance, the present invention discloses the thermocouple penetrating piece for safe cases of reactors. The thermocouple penetrating piece for safe cases of reactors comprises a pre-burying tube, a leakage detecting device, a connecting flange, a main body of the penetrating piece, and a thermocouple penetrating assembly connected by a thermocouple cable, wherein the thermocouple penetrating assembly comprises a thermocouple socket connector, an armored thermocouple, a sealing tube and a transition tube which are connected into a whole; the transition tube is welded with a sleeve tube of the armored thermocouple; end plates on both ends of the main body of the penetrating piece are welded with the transition tube of the thermocouple penetrating assembly to form a gas sealing chamber connected with the leakage detecting device by a connecting tube. The present invention has the advantages of high pressure bearing capability, low gas leakage rate, mature production technology, reliable performance and low manufacturing cost.
Description
Technical field
The present invention relates to a kind of electrical penetration of pressure vessel, relate in particular to a kind of thermopair penetration piece that is applied to the nuclear power plant reactor containment, the containment vessel that is used to realize temperature thermocouple runs through and the free of losses transmission of pyroelectric signal.
Background technology
External existing containment vessel electrical penetration, Fa Guo AUXITROL company for example, its gordian technique is: adopt polyimide to carry out the insulation of electric conductor, adopt polysulfones the swage double sealing and the insulation of technology realization conductor assembly such as sealing; Conductor assembly adopts bite type to be connected with end plate and seals, and links to each other with external cable by connecting terminal block or line nose.For the thermopair penetration piece, its electric conductor adopts the thermo wires material of thermopair.The released gas rate of this thermopair penetration piece is higher, the manufacturing process complexity, and yield rate is low, costs an arm and a leg, and domestic still do not have similar electrical penetration manufacturing firm at present.
Summary of the invention
Fundamental purpose of the present invention provides a kind of simple in structure, manufacturing process maturation, low, the dependable performance of cost, and the thermopair penetration piece that hermetic seal and load performance are good is for the safe operation of nuclear power plant reactor provides reliable guarantee.
The invention provides a kind of containment vessel thermopair penetration piece, comprise that pre-pipe laying, leak detecting device, joint flange, penetration piece body and the thermopair that connects by thermocouple cable run through assembly, it is characterized in that: described thermopair runs through assembly and comprises thermopair connector, armoured thermocouple and the sealed tube that links into an integrated entity by be tightly connected material and mechanical bell and spigot, and the transition conduit that is welded to connect with the sleeve pipe of described armoured thermocouple; The transition conduit that the end plate at described penetration piece body two ends and described thermopair run through assembly is welded to connect, form the hermetic seal chamber, the hermetic seal chamber of described penetration piece body is connected to leak detecting device outside the described hermetic seal chamber by connecting pipe, described joint flange is welded on the described penetration piece body, and adopts screw to be connected with described pre-pipe laying to seal or be welded to connect.
The transition conduit that thermopair of the present invention runs through assembly has thin-wall construction, and the sleeve pipe of described thin-wall construction and described armoured thermocouple is welded to connect.
Containment vessel thermopair penetration piece of the present invention contains 1 pair of thermopair at least and runs through assembly.
Armoured thermocouple of the present invention contains 1 pair of thermo wires at least.
Insulating medium in the armoured thermocouple sleeve pipe of the present invention is magnesium oxide or alundum (Al.
The material that is tightly connected of the present invention is an epoxy resin.
The present invention compared with prior art has outstanding advantages such as simple in structure, mature production technology, dependable performance, low cost of manufacture, hermetic seal and load performance be good, can work stably in a long term under the environment of containment vessel fully.Because it is the armoured thermocouple of one section multicore that main body one thermopair of this thermopair penetration piece runs through the critical component of assembly, therefore have good pyroelectric signal transportation performance and electrical insulation properties, its manufacturing process technology maturation, workmanship is guaranteed, low cost of manufacture.
Description of drawings
Fig. 1 is the structural drawing of containment vessel thermopair penetration piece.
Fig. 2 runs through the structural drawing of assembly for thermopair.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing.
As Fig. 1, shown in Figure 2, containment vessel thermopair penetration piece of the present invention, comprise pre-pipe laying 6, leak detecting device 5, joint flange 1, penetration piece body 3 and the thermopair that connects by thermocouple cable 2 run through assembly 4, it is characterized in that: the end plate at described penetration piece body 3 two ends and described thermopair run through assembly 4 and are welded to connect, form the hermetic seal chamber, and be connected to leak detecting device 5 outside the described hermetic seal chamber by connecting pipe, described joint flange 1 is welded on the described penetration piece body 3, and adopts screws to be connected with described pre-pipe laying 6 to seal or be welded to connect; Described thermopair runs through assembly 4 and comprises thermopair connector 7, armoured thermocouple 11 and the sealed tube 9 that links into an integrated entity by be tightly connected material 8 and mechanical bell and spigot, and the transition conduit 10 that is welded to connect with the sleeve pipe of described armoured thermocouple 11.
It is 3 pairs that described thermopair runs through component count.The thermo wires of armoured thermocouple is 2 pairs, and its material is a K type thermo wires, and pyroelectric signal transmission and good insulation preformance.Insulating medium in the sleeve pipe of armoured thermocouple is a magnesium oxide, and its density height has higher bearing capacity; The armoured thermocouple two ends are used, and the material 8 that is tightly connected is epoxy resin, and the sleeve pipe and the thermo wires of itself and armoured thermocouple all have fabulous wellability and excellent sealing performance.Remaining is tightly connected and is welded structure on the penetration piece.Pre-pipe laying 6, penetration piece body 3 and joint flange 1 are No. 10 iron and steel, and the material of sealed tube 9 and transition conduit 10 is a stainless steel; The end plate at penetration piece body 3 two ends runs through assembly with 3 pairs of thermopairs and adopts argon arc welding to be connected; Laser bonding is adopted in being connected of the sleeve pipe of transition conduit 10 and armoured thermocouple 11; The source of the gas of leak detecting device 5 is high-purity bottled nitrogen, and Leak Detection instrument P is a precision pressure gauge, is used for the leakage of detection reaction heap containment.
Through experiment, this device can realize that the containment vessel of temperature thermocouple runs through and the free of losses of pyroelectric signal transmission, satisfies the requirement of slip.
Claims (3)
1. containment vessel thermopair penetration piece, comprise that pre-pipe laying (6), leak detecting device (5), joint flange (1), penetration piece body (3) and the thermopair that connects by thermocouple cable (2) run through assembly (4), it is characterized in that: described thermopair runs through assembly (4) and comprises thermopair connector (7), armoured thermocouple (11) and the sealed tube (9) that links into an integrated entity by material that is tightly connected (8) and mechanical bell and spigot, and the transition conduit (10) that is welded to connect with the sleeve pipe of described armoured thermocouple (11); The transition conduit (10) that the end plate at described penetration piece body (3) two ends and described thermopair run through assembly (4) is welded to connect, form the hermetic seal chamber, the hermetic seal chamber of described penetration piece body (3) is connected to leak detecting device (5) outside the described hermetic seal chamber by connecting pipe, described joint flange (1) is welded on the described penetration piece body (3), and adopts screw to be connected with described pre-pipe laying (6) to seal or be welded to connect.
2. containment vessel thermopair penetration piece according to claim 1 is characterized in that: the insulating medium in the described armoured thermocouple sleeve pipe is magnesium oxide or alundum (Al.
3. containment vessel thermopair penetration piece according to claim 1 is characterized in that: the described material that is tightly connected (8) is an epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031570542A CN1189892C (en) | 2003-09-12 | 2003-09-12 | Reactor safe case electric thermo-couple through parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031570542A CN1189892C (en) | 2003-09-12 | 2003-09-12 | Reactor safe case electric thermo-couple through parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1490822A CN1490822A (en) | 2004-04-21 |
| CN1189892C true CN1189892C (en) | 2005-02-16 |
Family
ID=34156982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031570542A Expired - Fee Related CN1189892C (en) | 2003-09-12 | 2003-09-12 | Reactor safe case electric thermo-couple through parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1189892C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602005016896D1 (en) * | 2005-02-17 | 2009-11-12 | Elox Prom Aozt | SEALED LOW VOLTAGE ELECTRIC BRUSH |
| CN103090985B (en) * | 2011-10-31 | 2015-03-04 | 清华大学 | Sheathed thermocouple component penetrating high-temperature high-pressure helium pressure shell |
| CN103737159B (en) * | 2013-12-30 | 2016-06-15 | 上海自动化仪表有限公司 | Thermocouple penetration piece complete processing |
| CN105741894B (en) * | 2016-03-30 | 2019-04-26 | 宁波奥崎自动化仪表设备有限公司 | Used in nuclear power station 1E order reaction heap core temperature measuring device |
| CN105913884B (en) * | 2016-06-01 | 2018-04-20 | 上海发电设备成套设计研究院 | A kind of nuclear power station electrical penetration gaseous state monitors system |
| CN110767330B (en) * | 2018-07-27 | 2024-06-11 | 核工业西南物理研究院 | Double-layer vacuum-sealed thermocouple cable penetrating piece |
| CN113097822B (en) * | 2021-04-07 | 2022-06-28 | 中国原子能科学研究院 | Connecting device and connecting equipment comprising same |
-
2003
- 2003-09-12 CN CNB031570542A patent/CN1189892C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1490822A (en) | 2004-04-21 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20050216 |