CN109585049A - A kind of cladding tubes, which vacuumize, fills helium tamponade device - Google Patents
A kind of cladding tubes, which vacuumize, fills helium tamponade device Download PDFInfo
- Publication number
- CN109585049A CN109585049A CN201811632276.6A CN201811632276A CN109585049A CN 109585049 A CN109585049 A CN 109585049A CN 201811632276 A CN201811632276 A CN 201811632276A CN 109585049 A CN109585049 A CN 109585049A
- Authority
- CN
- China
- Prior art keywords
- cladding tubes
- helium
- end plug
- clamps
- fuel rod
- 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.)
- Pending
Links
- 238000005253 cladding Methods 0.000 title claims abstract description 81
- 239000001307 helium Substances 0.000 title claims abstract description 65
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 65
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000000446 fuel Substances 0.000 claims abstract description 41
- 241000239290 Araneae Species 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003758 nuclear fuel Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
- G21C21/02—Manufacture of fuel elements or breeder elements contained in non-active casings
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention belongs to nuclear fuel element single rod manufacturing technology fields, and in particular to a kind of cladding tubes, which vacuumize, fills helium tamponade device.The connection of one end of cylinder A and cylinder B and connecting rod, the other end of connecting rod clamp air spider with upper end plug and connect, and upper end plug clamps air spider and clamps upper end plug；Fuel rod clad pipe passes through cladding tubes and clamps air spider, vacuumizes and fills helium closed unit between upper end plug and fuel rod clad pipe；Cladding tubes rubber binding A and cladding tubes rubber binding B are provided with below fuel rod clad pipe.The present invention is for realizing filling helium condition vacuumizing, in the case that overpressure is greater than atmospheric pressure, upper end plug is pressed into cladding tubes automatically, guarantees that upper end plug is bonded closely with cladding tubes, gap is uniform, lays the foundation to vacuumize the research of inflatable body in fuel rod clad pipe pipe.
Description
Technical field
The invention belongs to nuclear fuel element single rod manufacturing technology fields, and in particular to a kind of cladding tubes, which vacuumize, fills helium tamponade
Device.
Background technique
The cladding tubes of overwhelming majority fuel rod and the tamponade process of end plug carry out in air at present, do not need take out true
Empty and filling gas, external and internal pressure are consistent, and end plug assembling quality is good.And vacuumized simultaneously, vacuum degree need to reach
10Pa ensures the good device report of end plug assembling quality very hereinafter, fill helium pressure in 0.11~0.15MPa or so again
It is few.
Summary of the invention
It is vacuumized the purpose of the present invention is to provide a kind of cladding tubes and fills helium tamponade device, for realizing helium is filled vacuumizing
Condition, in the case that overpressure is greater than atmospheric pressure, upper end plug is pressed into cladding tubes automatically, guarantees that upper end plug is bonded with cladding tubes
Closely, gap is uniform, lays the foundation to vacuumize the research of inflatable body in fuel rod clad pipe pipe.
In order to achieve the above objectives, the technical solution used in the present invention are as follows:
A kind of cladding tubes, which vacuumize, fills helium tamponade device, and one end of cylinder A and cylinder B and connecting rod connects, connecting rod
The other end clamps air spider with upper end plug and connect, and upper end plug clamps air spider and clamps upper end plug；Fuel rod clad pipe passes through
Cladding tubes clamp air spider, vacuumize and fill helium closed unit between upper end plug and fuel rod clad pipe；Fuel rod clad pipe
Lower section is provided with cladding tubes rubber binding A and cladding tubes rubber binding B.
The upper end plug clamps air spider and cladding tubes clamp air spider as circle, and centre is with round salable
Through-hole.
Described vacuumizes the four-way valve for filling that helium closed unit is cylinder, and four-way valve is installed close to fuel rod clad pipe side
Circular seal air bag, four-way valve are controlled to a vacuum pump, and vacuum solenoid is installed on connecting line；Four-way valve also connects with helium gas source
It is logical, solenoid valve is installed on connecting line.
Cladding tubes rubber binding A and cladding tubes rubber binding B is unclamped, fuel rod clad pipe is placed on involucrum
On pipe rubber binding A and cladding tubes rubber binding B；Fuel rod clad pipe is clamped gas by cladding tubes by conveying roller
Dynamic chuck, which is transmitted to vacuumize, fills the stopping of helium closed unit, while vacuumizing and filling on helium closed unit close to cladding tubes side round balloon
Inflation clamps fuel rod clad pipe；Cladding tubes rubber binding A and cladding tubes rubber binding B clamps cladding tubes；
It is clamped in upper end plug and is put into upper end plug in air spider, upper end plug clamps air spider and clamps upper end plug；Cylinder A stretches out, and passes through
Connecting rod, which vacuumizes upper end plug feeding, fills in helium closed unit；Vacuumize the vacuum filled on helium closed unit and connected on vacuum pump pipeline
Solenoid valve is opened, and vacuum pump unlatching vacuumizes, and when vacuum degree is less than 10Pa, closes vacuum solenoid, and vacuum pump stops, and takes out true
Sky terminates；It vacuumizes the solenoid valve filled on the connection helium gas source pipeline of helium closed unit 6 to open, starts to fill helium, be reached to helium pressure
To 0.11~0.15MPa, solenoid valve is closed, stops helium and is filled with；Cylinder B stretches out, and by connecting rod, to fill helium closed vacuumizing
Upper end plug is pressed into fuel rod clad pipe in device；It vacuumizes to fill on helium closed unit and deflate close to cladding tubes side round balloon, pine
Open fuel rod clad pipe, vacuumize fill helium closed unit lose heart；Upper end plug clamps air spider and unclamps upper end plug；Cladding tubes clamp gas
Dynamic chuck, cladding tubes rubber binding A, cladding tubes rubber binding B unclamp fuel rod clad pipe；Conveying roller reversion,
Send out the fuel rod clad pipe for pressing upper end plug.
It is obtained by the present invention to have the beneficial effect that
The present invention can be realized before upper end plug is pressed into cladding tubes, realizes to vacuumizing in cladding tubes pipe, is filled with simultaneously
Helium, helium pressure reach 0.11~0.15MPa or so, are pressed into upper end plug, realize that intraductal atmospheric pressure is greater than under atmospheric pressure
Automatic tamponade, while upper end plug is bonded closely with cladding tubes, gap is uniform.In addition apparatus structure is simple, low manufacture cost, uses
It is convenient and efficient.
Detailed description of the invention
Fig. 1 vacuumizes for cladding tubes fills helium tamponade device structure chart；
In figure: 1- cylinder A；2- cylinder B；3- connecting rod；4- upper end plug clamps air spider, and (circular shape, centre have
Round salable through-hole)；5- upper end plug；6-, which is vacuumized, fills helium closed unit (installing circular seal air bag close to cladding tubes side)；
7- cladding tubes clamp air spider；8- fuel rod clad pipe；9- cladding tubes rubber binding A；The fixed dress of 10- cladding tubes rubber
Set B.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, cladding tubes of the present invention vacuumize, to fill helium tamponade device include cylinder A1, cylinder B2, connecting rod
3, upper end plug clamps air spider 4, vacuumizes and fill helium closed unit 6, cladding tubes clamping air spider 7, fuel rod clad pipe 8, packet
Package rubber binding A9 and cladding tubes rubber binding B10.
Cylinder A1 and cylinder B2 are connect with one end of connecting rod 3, and the other end and upper end plug of connecting rod 3 clamp air spider
4 connections, upper end plug clamp air spider 4 and clamp upper end plug 5；Fuel rod clad pipe 8 passes through cladding tubes and clamps air spider 7, takes out
Vacuum fills helium closed unit 6 between upper end plug 5 and fuel rod clad pipe 8；Cladding tubes rubber is provided with below fuel rod clad pipe 8
Glue fixes device A9 and cladding tubes rubber binding B10.
The upper end plug clamps air spider 4 and cladding tubes clamp air spider 7 as circle, and centre can be close with circle
Seal through-hole.Described vacuumizes the four-way valve for filling that helium closed unit 6 is cylinder, and four-way valve is pacified close to 8 side of fuel rod clad pipe
Circular seal air bag is filled, four-way valve is controlled to a vacuum pump, and vacuum solenoid is installed on connecting line；Four-way valve also connects with helium gas source
It is logical, solenoid valve is installed on connecting line.
Cladding tubes rubber binding A9 and cladding tubes rubber binding B10 is unclamped, fuel rod clad pipe 8 is placed on
On cladding tubes rubber binding A9 and cladding tubes rubber binding B10；Fuel rod clad pipe 8 is passed through involucrum by conveying roller
The tight air spider 7 of pipe clamp, which is transmitted to vacuumize, fills the stopping of helium closed unit 6, while vacuumizing and filling on helium closed unit 6 close to cladding tubes
Side round balloon inflation clamps fuel rod clad pipe 8；Cladding tubes rubber binding A9 and the fixed dress of cladding tubes rubber
It sets B10 and clamps cladding tubes；It is clamped in upper end plug and is put into upper end plug 5 in air spider 4, upper end plug clamps air spider 4 and clamps
End plug 5；Cylinder A1 stretches out, and vacuumizes the feeding of upper end plug 5 by connecting rod 3 and fills in helium closed unit 6；It vacuumizes and fills helium closed unit
The vacuum solenoid connected on vacuum pump pipeline on 6 is opened, and vacuum pump unlatching vacuumizes, and when vacuum degree is less than 10Pa, is closed
Vacuum solenoid, vacuum pump stop, and vacuumize end；The solenoid valve filled on the connection helium gas source pipeline of helium closed unit 6 is vacuumized to open
It opens, starts to fill helium, reach 0.11~0.15MPa or so to helium pressure, close solenoid valve, stop helium and be filled with；Cylinder B2
Stretch out, by connecting rod 3 vacuumize fill in helium closed unit 6 by upper end plug 5 be pressed into fuel rod clad pipe 8；Vacuumize that fill helium close
Close on device 6 close to cladding tubes side round balloon deflate, unclamp fuel rod clad pipe 8, vacuumize fill helium closed unit 6 lose heart；On
End plug clamps air spider 4 and unclamps upper end plug 5；Cladding tubes clamp air spider 7, cladding tubes rubber binding A9, cladding tubes
Rubber binding B10 unclamps fuel rod clad pipe 8；Conveying roller reversion, sends out the fuel rod clad pipe 8 for pressing upper end plug 5.
Claims (4)
1. a kind of cladding tubes, which vacuumize, fills helium tamponade device, it is characterised in that: the connection of one end of cylinder A and cylinder B and connecting rod,
The other end of connecting rod clamps air spider with upper end plug and connect, and upper end plug clamps air spider and clamps upper end plug；Fuel rod packet
Package passes through cladding tubes and clamps air spider, vacuumizes and fills helium closed unit between upper end plug and fuel rod clad pipe；Fuel
Cladding tubes rubber binding A and cladding tubes rubber binding B are provided with below stick cladding tubes.
2. cladding tubes according to claim 1, which vacuumize, fills helium tamponade device, it is characterised in that: the upper end plug clamps
It is circle that air spider and cladding tubes, which clamp air spider, and centre is with round salable through-hole.
3. cladding tubes according to claim 1, which vacuumize, fills helium tamponade device, it is characterised in that: helium is filled in described vacuumizing
Closed unit is cylindrical four-way valve, and four-way valve installs circular seal air bag close to fuel rod clad pipe side, four-way valve and true
Sky pump connects, and installs vacuum solenoid on connecting line；Four-way valve is also connected to helium gas source, and solenoid valve is installed on connecting line.
4. cladding tubes according to claim 3, which vacuumize, fills helium tamponade device, it is characterised in that: it is solid to unclamp cladding tubes rubber
Determine device A and cladding tubes rubber binding B, fuel rod clad pipe is placed on cladding tubes rubber binding A and cladding tubes
On rubber binding B；Fuel rod clad pipe is clamped air spider and be transmitted to vacuumize by conveying roller by cladding tubes fills helium
Closed unit stops, while vacuumizing and filling on helium closed unit close to cladding tubes side round balloon inflation, clamps fuel rod packet
Package；Cladding tubes rubber binding A and cladding tubes rubber binding B clamps cladding tubes；Air spider is clamped in upper end plug
In be put into upper end plug, upper end plug clamps air spider and clamps upper end plug；Cylinder A stretches out, and is sent into upper end plug by connecting rod and takes out
Vacuum is filled in helium closed unit；It vacuumizes the vacuum solenoid for filling on helium closed unit and connecting on vacuum pump pipeline to open, vacuum pump is opened
It opens and vacuumizes, when vacuum degree is less than 10Pa, close vacuum solenoid, vacuum pump stops, and vacuumizes end；Vacuumize that fill helium close
It closes the solenoid valve that device 6 connects on helium gas source pipeline to open, starts to fill helium, reach 0.11~0.15MPa to helium pressure, close
Solenoid valve stops helium and is filled with；Cylinder B stretches out, and upper end plug is pressed into fuel vacuumizing to fill in helium closed unit by connecting rod
Stick cladding tubes；It vacuumizes to fill on helium closed unit and deflate close to cladding tubes side round balloon, unclamp fuel rod clad pipe, vacuumize
Helium closed unit is filled to lose heart；Upper end plug clamps air spider and unclamps upper end plug；Cladding tubes clamp air spider, cladding tubes rubber is fixed
Device A, cladding tubes rubber binding B unclamp fuel rod clad pipe；Conveying roller reversion, sends out the fuel rod for pressing upper end plug
Cladding tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632276.6A CN109585049A (en) | 2018-12-29 | 2018-12-29 | A kind of cladding tubes, which vacuumize, fills helium tamponade device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632276.6A CN109585049A (en) | 2018-12-29 | 2018-12-29 | A kind of cladding tubes, which vacuumize, fills helium tamponade device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109585049A true CN109585049A (en) | 2019-04-05 |
Family
ID=65932428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811632276.6A Pending CN109585049A (en) | 2018-12-29 | 2018-12-29 | A kind of cladding tubes, which vacuumize, fills helium tamponade device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109585049A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112242206A (en) * | 2020-09-10 | 2021-01-19 | 中广核研究院有限公司 | Support connecting device and tubular connecting furnace |
| CN113744908A (en) * | 2021-07-09 | 2021-12-03 | 中国核电工程有限公司 | Device, system and method for filling helium into fuel rod pressure plug |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008002423A2 (en) * | 2006-06-23 | 2008-01-03 | Exxonmobil Research And Engineering Company | Reduction of fouling in heat exchangers |
| CN103157892A (en) * | 2011-12-14 | 2013-06-19 | 中核建中核燃料元件有限公司 | Fuel element rod plug-pressing-welding integration method |
| CN105609147A (en) * | 2015-12-28 | 2016-05-25 | 中国原子能科学研究院 | System for helium charging and plug pressing of fuel rods of fast reactor |
| CN106531260A (en) * | 2016-11-25 | 2017-03-22 | 中核建中核燃料元件有限公司 | Fuel-rod end plug pressing machine and application method |
| CN206672648U (en) * | 2016-12-30 | 2017-11-24 | 中核建中核燃料元件有限公司 | A kind of fuel assembly guide pipe tamponade device |
| CN108305698A (en) * | 2017-12-29 | 2018-07-20 | 中核北方核燃料元件有限公司 | A kind of automatic pressure side plug device of fuel rod |
-
2018
- 2018-12-29 CN CN201811632276.6A patent/CN109585049A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008002423A2 (en) * | 2006-06-23 | 2008-01-03 | Exxonmobil Research And Engineering Company | Reduction of fouling in heat exchangers |
| CN103157892A (en) * | 2011-12-14 | 2013-06-19 | 中核建中核燃料元件有限公司 | Fuel element rod plug-pressing-welding integration method |
| CN105609147A (en) * | 2015-12-28 | 2016-05-25 | 中国原子能科学研究院 | System for helium charging and plug pressing of fuel rods of fast reactor |
| CN106531260A (en) * | 2016-11-25 | 2017-03-22 | 中核建中核燃料元件有限公司 | Fuel-rod end plug pressing machine and application method |
| CN206672648U (en) * | 2016-12-30 | 2017-11-24 | 中核建中核燃料元件有限公司 | A kind of fuel assembly guide pipe tamponade device |
| CN108305698A (en) * | 2017-12-29 | 2018-07-20 | 中核北方核燃料元件有限公司 | A kind of automatic pressure side plug device of fuel rod |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112242206A (en) * | 2020-09-10 | 2021-01-19 | 中广核研究院有限公司 | Support connecting device and tubular connecting furnace |
| CN112242206B (en) * | 2020-09-10 | 2023-10-31 | 中广核研究院有限公司 | Support connecting device and tubular connecting furnace |
| CN113744908A (en) * | 2021-07-09 | 2021-12-03 | 中国核电工程有限公司 | Device, system and method for filling helium into fuel rod pressure plug |
| CN113744908B (en) * | 2021-07-09 | 2024-05-17 | 中国核电工程有限公司 | Helium filling device, system and method for fuel rod plug |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |
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| RJ01 | Rejection of invention patent application after publication |