CN1490822A - Reactor safe case electric thermo-couple through parts - Google Patents
Reactor safe case electric thermo-couple through parts Download PDFInfo
- Publication number
- CN1490822A CN1490822A CNA031570542A CN03157054A CN1490822A CN 1490822 A CN1490822 A CN 1490822A CN A031570542 A CNA031570542 A CN A031570542A CN 03157054 A CN03157054 A CN 03157054A CN 1490822 A CN1490822 A CN 1490822A
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- CN
- China
- Prior art keywords
- thermopair
- thermocouple
- penetration piece
- welded
- containment vessel
- 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.)
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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 present invention is a thermocouple penetrating piece used in the containing vessel of the reactor in the technical field of measuring processing variables in the nuclear engineering. In order to provide a thermocouple penetrating piece having simple structure, mature manufacturing process, low cost, reliable properties and good gas-sealing and pressure-bearing properties, the thermocouple penetrating piece used in the containing vessel of the reactor disclosed by the present invention comprises a pre-buried tube, a leakage detecting device, a connecting flange, a body of the penetrating piece and a thermocouple penetrating assembly connected to a thermocouple cable, the thermocouple penetrating assembly comprising a thermocouple connector integrally formed with the sealing connecting material and the mechanical socket, an armored thermocouple and its sealing tube and a transition tube welded with the sleeve of said armored thermocouple. The end plates in both ends of the body of the penetrating piece are welded with the transition tube of the thermocouple penetrating assembly to form a gas-sealing chamber which is connected to the leakage detecting device through a connecting pipe. The present invention has the higher pressure-bearing ability and the lower gas leaking rate, its producing process being mature, its properties being reliable and its manufacturing cost being low.
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 pre-pipe laying, leak detecting device, joint flange, penetration piece body and pass through and wear Group spare by the thermopair that thermocouple cable connects, 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 the main body-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 Guan Chuan Group spare 4 that connects by thermocouple cable 2, 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 (6)
1. containment vessel thermopair penetration piece, comprising that pre-pipe laying (6), leak detecting device (5), joint flange (1), penetration piece body (3) and the thermopair by thermocouple cable (2) connection pass through wears Group spare (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: described transition conduit (10) has thin-wall construction, and the sleeve pipe of described thin-wall construction and described armoured thermocouple (11) is welded to connect.
3. containment vessel thermopair penetration piece according to claim 1 and 2 is characterized in that: described containment vessel thermopair penetration piece contains 1 pair of thermopair at least and runs through assembly (4).
4. containment vessel thermopair penetration piece according to claim 1 and 2 is characterized in that: described armoured thermocouple (11) contains 1 pair of thermo wires at least.
5. containment vessel thermopair penetration piece according to claim 1 and 2 is characterized in that: the insulating medium in the described armoured thermocouple sleeve pipe is magnesium oxide or alundum (Al.
6. containment vessel thermopair penetration piece according to claim 1 and 2 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 true CN1490822A (en) | 2004-04-21 |
| CN1189892C CN1189892C (en) | 2005-02-16 |
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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) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099219B (en) * | 2005-02-17 | 2010-12-15 | 伊洛克普劳穆股份有限公司 | Electrical hermetic penetrant structure of low voltage |
| CN103090985A (en) * | 2011-10-31 | 2013-05-08 | 清华大学 | Sheathed thermocouple component penetrating high-temperature high-pressure helium pressure shell |
| CN103737159A (en) * | 2013-12-30 | 2014-04-23 | 上海自动化仪表股份有限公司 | Thermocouple penetration piece processing technology |
| CN105741894A (en) * | 2016-03-30 | 2016-07-06 | 宁波奥崎自动化仪表设备有限公司 | 1E-grade reactor pile core temperature measurement equipment for nuclear power plant |
| CN105913884A (en) * | 2016-06-01 | 2016-08-31 | 上海发电设备成套设计研究院 | Nuclear power station electrical penetration piece gas state monitoring system |
| CN110767330A (en) * | 2018-07-27 | 2020-02-07 | 核工业西南物理研究院 | Double-layer vacuum-sealed thermocouple cable penetrating piece |
| CN113097822A (en) * | 2021-04-07 | 2021-07-09 | 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
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099219B (en) * | 2005-02-17 | 2010-12-15 | 伊洛克普劳穆股份有限公司 | Electrical hermetic penetrant structure of low voltage |
| CN103090985A (en) * | 2011-10-31 | 2013-05-08 | 清华大学 | Sheathed thermocouple component penetrating high-temperature high-pressure helium pressure shell |
| CN103090985B (en) * | 2011-10-31 | 2015-03-04 | 清华大学 | Sheathed thermocouple component penetrating high-temperature high-pressure helium pressure shell |
| CN103737159A (en) * | 2013-12-30 | 2014-04-23 | 上海自动化仪表股份有限公司 | Thermocouple penetration piece processing technology |
| CN103737159B (en) * | 2013-12-30 | 2016-06-15 | 上海自动化仪表有限公司 | Thermocouple penetration piece complete processing |
| CN105741894A (en) * | 2016-03-30 | 2016-07-06 | 宁波奥崎自动化仪表设备有限公司 | 1E-grade reactor pile core temperature measurement equipment for nuclear power plant |
| CN105913884A (en) * | 2016-06-01 | 2016-08-31 | 上海发电设备成套设计研究院 | Nuclear power station electrical penetration piece gas state monitoring system |
| CN110767330A (en) * | 2018-07-27 | 2020-02-07 | 核工业西南物理研究院 | Double-layer vacuum-sealed thermocouple cable penetrating piece |
| CN113097822A (en) * | 2021-04-07 | 2021-07-09 | 中国原子能科学研究院 | Connecting device and connecting equipment comprising same |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1189892C (en) | 2005-02-16 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20050216 |