CN104751925B - A kind of CNFC 3G fresh fuels shipping container manufacture method - Google Patents
A kind of CNFC 3G fresh fuels shipping container manufacture method Download PDFInfo
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- CN104751925B CN104751925B CN201310745603.XA CN201310745603A CN104751925B CN 104751925 B CN104751925 B CN 104751925B CN 201310745603 A CN201310745603 A CN 201310745603A CN 104751925 B CN104751925 B CN 104751925B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 239000000446 fuel Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 25
- 238000002474 experimental method Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 13
- 230000003068 static effect Effects 0.000 claims abstract description 11
- 239000003973 paint Substances 0.000 claims abstract description 9
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 12
- 230000035882 stress Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000007799 cork Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 238000003462 Bender reaction Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 238000005097 cold rolling Methods 0.000 claims description 3
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000000399 orthopedic effect Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000003758 nuclear fuel Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 29
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 235000019580 granularity Nutrition 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/005—Containers for solid radioactive wastes, e.g. for ultimate disposal
- G21F5/008—Containers for fuel elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention belongs to container for nuclear fuel transportation manufacturing technology field, and in particular to a kind of CNFC 3G fresh fuels shipping container manufacture method.A kind of CNFC 3G fresh fuels shipping container manufacture method of the present invention, comprises the following steps：The shaping of step 1, upper and lower casing；The manufacture processing of step 2, upper and lower casing component；The manufacture processing of step 3, support frame；The overall assembling of step 4, shipping container；Step 5, measuring for verticality；Step 6, loading, unloading test；Step 7, static load, dynamic test；Step 8, sealing, safety valve open experiment；Step 9, touch-up paint, cleaning, packaging, shipping.By the manufacture method of the present invention, the autonomous manufacture of CNFC 3G fresh fuel shipping containers is realized, technical ability meets the market demand, improves the mass production capabilities of shipping container, and reach the purpose for reducing cost, saving the energy, reducing energy consumption.
Description
Technical field
The invention belongs to container for nuclear fuel transportation manufacturing technology field, and in particular to a kind of CNFC-3G fresh fuels transport is held
Device manufacture method.
Background technology
CNFC-3G fresh fuel shipping containers are the special equipments for transporting AFA-3G novel fuel assemblies safely.Current CNFC-3G
The manufacturing of shipping container is all monopolized by foreign countries as know-how, either the import of container finish or container system
Huge expense can all be spent by making the introduction of technology, therefore after the manufacturing license of the container is obtained, carry out the container from
Main manufacture has huge economic benefit, while also causing the manufacture level of container for nuclear fuel transportation to be improved.
The content of the invention
A kind of CNFC-3G fresh fuels shipping container manufacture method of the present invention solves CNFC-3G fresh fuel shipping containers and existed
The problem of country can not independently be manufactured.
A kind of CNFC-3G fresh fuels shipping container manufacture method of the present invention, comprises the following steps：
The shaping of step 1, upper and lower casing：Upper and lower casing uses thickness for the special cold rolling scale steel of 3mm Q345-E
Plate is manufactured, and bending and molding on numerical control 6m benders is lifted on using Special electric magnet；
The manufacture processing of step 2, upper and lower casing component：Closure flange, compression angle steel are using the fertile rolling of Italian West Germany
Finished product shaped steel, is quadra using a group weldering positioning tool group weldering, is fixed and is used when weldering is organized on dedicated platform during group weldering
Balanced welding mode, postwelding is orthopedic, then carries out oscillating aging on shaking platform to eliminate stress, and the quadra of group postwelding is utilized
Special tooling processes seal groove and each hole on digital-control boring-milling machine；
The manufacture processing of step 3, support frame：Support frame includes slab, each cross member, support beam, clamp rail, neutron and inhaled
Receive plate, pressed component and other components；The slab uses 4mm whole plates bending and molding on 6m benders；The transverse direction
Component is welded using finished product square tube group, and type laggard stove in school eliminates stress, then machines each end face；Baffle pressed component and bottom transverse
Thick silica gel foam is uniformly pasted to the surface of component, the locating and machining groove on group mounted welder bottom plate, and top is fixed by locating slot
The cross member in portion, middle part and bottom, group, to slab, backbar, clamp rail and other accessories, loads successively on this basis
Boron stainless steel neutron absorber plate simultaneously assembles fixed bearing beam and slab, and spot welding makes above-mentioned institute after uniformly being fixed using special tooling
There is component to be fixedly connected；Progress Vibratory Stress de-stress processing is integrally connected after welding with shock frame；Eliminate stress processing
59 supports in each component are welded on support frame successively afterwards, pasted afterwards on slab after cork pad, patch using special
Compressed, kept for 12 hours with pressing plate frock；
The overall assembling of step 4, shipping container：Nut, bolt, packing ring class workpiece are detected before assembling, selected
And the workpiece for not meeting matching requirements is repaired；Shaft-like workpiece and pressing device are detected and confirmed, and use 200#
Granularity gauze removes fine, soft fur thorn, then cleans up；During assembling, elastic cushion block and lower house component and shock frame are assembled successively,
Fixed fuel bearing support and pressed component, strut component are assembled again, gasket seal is then assembled, and then assemble upper and lower casing group
Part is integrated, with the assembling for making completion container entirety after pin-and-hole；
Step 5, measuring for verticality：Make support frame after the support frame being completed is sling in the raw, using state
Measurement rectangular co-ordinate value method in five detection principles of family, carries out measuring for verticality and adjusts；Support frame is overturn, duplicate measurements
Perpendicularity is simultaneously adjusted, and is overturn and is measured adjustment and repeat five times；
Step 6, loading, unloading test：After perpendicularity passed examination, open protection board component, will with outside novel fuel assembly
Shape size is identical, weight identical two pieces simulated assembly is put on the slab of support frame, is fired according to test program requirement
Expect loading, the unloading test of component；
Step 7, static load, dynamic test：Safety valve stamping tooling is loaded in container after loading and unloading pass the test, in container
The lead for simulated fuel assembly weight is uniformly placed in internal stainless steel protection plate upper surface, container is reached all-up weight
1.1 times, upper housing component is loaded onto, upper and lower casing component is fastened as a whole by blending bolt, then put in two of upper housing component
The uniform lead on support is put, container is reached 1.25 times of all-up weight, container is hung by ground using special hanger, and
Hanging a period of time is to complete static load test；Carry out placing the 100%PT detections of cradle weld after the completion of static load test, together
When the lead placed on two placement supports of upper shell is moved away from into support, place cradle weld 100%PT detections it is qualified after
Container is lifted by crane three times to complete dynamic loading experiment；100%PT inspections are carried out after the completion of dynamic loading experiment to placing cradle weld again
Survey；
Step 8, sealing, safety valve open experiment：Seal tightness test is carried out to whole container and safety valve opens experiment；
Step 9, touch-up paint, cleaning, packaging, shipping：Coming off and damage progress to the vessel surface paint that is caused by experiment
Touch-up paint, and shipping is packed after integrally being cleaned to container.
It is preferred that, draw decile bending line during bending described in step 1 and press line centering, 9.38m is suppressed per knife, upper shell is pressed altogether
Make 156 knives, co-pressed 158 knife of lower house.
It is preferred that, in strict accordance with the symmetrical skip welding in defined area during spot welding described in step 3, to control heat to input, reduce
Welding deformation.
It is preferred that, welding reference plane is redefined when 59 supports are welded described in step 3, that is, avoids cumulative errors.
It is preferred that, the cork pad described in step 3 is by pasting the method for fine sandpaper in leveling ruler lower surface to cork sheet table
Face is ground obtained.
It is preferred that, container is hung ground 100mm, hanging 10 minutes by static load test described in step 7；Dynamic loading is tested
In every time lift stroke be not less than 2.5 meters, lifting speed 15m/min.
A kind of CNFC-3G fresh fuels shipping container manufacture method of the present invention, realizes the autonomous manufacture of the container, technical ability
The market demand is met, improve the mass production capabilities of shipping container, and reach and reduce cost, save the energy, reduce energy consumption
Purpose.
Embodiment
A kind of CNFC-3G fresh fuels shipping container manufacture method of the present invention, comprises the following steps：
The shaping of step 1, upper and lower casing
Upper and lower casing uses thickness for the special cold rolling scale steel plate manufactures of 3mm Q345-E, and 6 are made in specially-designated factories
Special compression mold is covered, bending and molding on numerical control 6m benders is lifted on using Special electric magnet, decile bending line is drawn during bending
By line centering, 9.38m is suppressed per knife, co-pressed 156 knife of upper shell, co-pressed 158 knife of lower house passes through bending molding process solution
Determine and rolled the problem of cylinder has splicing welding joint, and compensate for rolling the problem of cylinder dimensional tolerance is big, after housing shaping just
Good, mechanical property is uniform, surface quality is attractive in appearance, compact dimensions accurate stable for property.
The manufacture processing of step 2, upper and lower casing component
Upper and lower casing component respectively by closure flange, compress angle steel, end cap, reinforcing angle and upper and lower casing group weldering and
Into.Closure flange, compression angle steel irrigate mill product shaped steel using Italian West Germany, are welded using a group weldering positioning tool group to be square
Framework, is fixed during group weldering and uses balanced welding mode when weldering is organized on dedicated platform, postwelding is orthopedic then enterprising in shaking platform
Row oscillating aging is to eliminate stress.The quadra of group postwelding processes seal groove and each using special tooling on digital-control boring-milling machine
Hole.
The manufacture processing of step 3, support frame
Support frame is the direct core component for laying novel fuel assembly, mainly by slab, each cross member, support beam,
A variety of component groups welderings such as clamp rail, neutron absorber plate, pressed component are formed.
The slab uses 4mm whole plates bending and molding on 6m benders.
The cross member is welded using finished product square tube group, and type laggard stove in school eliminates stress, then machines each end face.
Thick silica gel foam is uniformly pasted on the surface of baffle pressed component and bottom cross member, on group mounted welder bottom plate
Locating and machining groove, and fix by locating slot the cross member of top, middle part and bottom, on this basis successively group to paving
Plate, backbar, clamp rail and other accessories, load boron stainless steel neutron absorber plate and assemble fixed bearing beam and slab, adopt
Spot welding is fixedly connected with above-mentioned all components after uniformly being fixed with special tooling, is symmetrically jumped in strict accordance with defined area during welding
Weldering, to control heat to input, reduces welding deformation.It is integrally connected after welding with shock frame at progress Vibratory Stress de-stress
Reason.
59 supports in each component are welded on support frame successively after eliminating stress processing, in welding, needed again
It is determined that welding reference plane, both avoids cumulative errors, in turn ensure that the smooth installation of horizontal pressed component and protection board, each size
Tolerance is controlled in the range of 1mm；Paste after cork pad, patch using special pressing plate frock compression, keep on slab afterwards
12 hours, it is ensured that adhesive surface is smooth, non-wrinkled, bulging phenomenon.Drawing requirement flatness is controlled in 0.75mm, perpendicularity
0.25mm, is ground, final measurement plane degree is by the method that fine sandpaper is pasted in leveling ruler lower surface to cork sheet surface
0.10~0.25mm, 0.1~0.15mm of perpendicularity.
The overall assembling of step 4, shipping container
Nut, bolt, packing ring class workpiece are detected, selected and the workpiece for not meeting matching requirements entered before assembling
Row is repaired；Shaft-like workpiece and pressing device are detected and confirmed, and fine, soft fur is removed with 200# granularities gauze and is pierced, is cleaned afterwards
Totally.
During assembling, assemble elastic cushion block and lower house component and shock frame successively, then assemble fixed fuel bearing support and
Pressed component, strut component, then assemble gasket seal, then assemble upper and lower casing component be integrated, with make after pin-and-hole complete
The overall assembling of container.
Step 5, measuring for verticality
Make support frame after the support frame being completed is sling in the raw, using electronic theodolite to support frame
A line line carries out measuring for verticality and adjusted.The measuring for verticality is sat using the measurement right angle in national five detection principles
Scale value method.Support frame is overturn, duplicate measurements perpendicularity is simultaneously adjusted, invert and measure adjustment and repeat five times.
Step 6, loading, unloading test
After perpendicularity passed examination, protection board component is opened, will, weight identical identical with novel fuel assembly appearance and size
2 simulated assemblies are put on the slab of support frame, are required to carry out loading, the unloading test of fuel assembly according to test program.
Step 7, static load, dynamic test
Safety valve stamping tooling is loaded in container after loading and unloading pass the test, the stainless steel protection plate upper table inside container
The lead for simulated fuel assembly weight is uniformly placed in face, and described every piece of 16kg of lead places 24 pieces, now container reaches altogether
1.1 times of all-up weight, load onto upper shell, and upper and lower casing is fastened as a whole by blending bolt, then in two placements of upper shell
34 pieces of leads are uniformly placed on support, container is reached 1.25 times of all-up weight, is hung container using special hanger
Ground 100mm, carries out placing the 100% of cradle weld to complete static load test after hanging 10 minutes, after the completion of static load test
PT is detected, while the 34 pieces of leads placed on two placement supports of upper shell are moved away from into support, places cradle weld
Container is lifted by crane three times to complete dynamic loading experiment after 100%PT detections are qualified, each lift stroke is not less than 2.5 meters, lifting speed
Spend 15m/min.100%PT detections are carried out after the completion of dynamic loading experiment to placing cradle weld again.
Step 8, sealing, safety valve open experiment
Seal tightness test is carried out to whole container and safety valve opens experiment, the sealing test method and safety valve are opened
Open test method and be known in the art general knowledge.
Step 9, touch-up paint, cleaning, packaging, shipping
Coming off and damage progress touch-up paint, and packaging after integrally being cleaned to container to the vessel surface paint that is caused by experiment
Shipping.
Claims (6)
1. a kind of CNFC-3G fresh fuels shipping container manufacture method, it is characterised in that：Comprise the following steps：
The shaping of step 1, upper and lower casing：Upper and lower casing uses thickness for the special cold rolling scale steel plate systems of 3mm Q345-E
Make, bending and molding on numerical control 6m benders is lifted on using Special electric magnet；
The manufacture processing of step 2, upper and lower casing component：Closure flange, compression angle steel irrigate mill product using Italian West Germany
Shaped steel, is quadra using a group weldering positioning tool group weldering, during group weldering by closure flange, compress angle steel and be fixed in Special horizontal
On platform, using balanced welding mode, postwelding is orthopedic, then carries out oscillating aging to eliminate stress on shaking platform, organizes the side of postwelding
Shape framework processes seal groove and each hole using special tooling on digital-control boring-milling machine；
The manufacture processing of step 3, support frame：Support frame includes slab, each cross member, support beam, clamp rail, neutron absorber plate
With baffle pressed component；The slab uses 4mm whole plates bending and molding on 6m benders；The cross member is used into
Product square tube group is welded, and type laggard stove in school eliminates stress, then machines each end face；The table of baffle pressed component and bottom cross member
Thick silica gel foam is uniformly pasted in face, the locating and machining groove on group mounted welder bottom plate, and fixes top, middle part and bottom by locating slot
The cross member in portion, group, to slab, backbar and clamp rail, loads boron stainless steel neutron absorber plate and group successively on this basis
Fixed bearing beam and slab are filled, after uniformly being fixed using special tooling, spot welding is fixedly connected with above-mentioned all components；After welding
Progress Vibratory Stress de-stress processing is integrally connected with shock frame；Eliminate 59 supports in each component after stress processing
It is welded on support frame, is pasted afterwards on slab using special pressing plate frock compression after cork pad, patch, holding 12 is small successively
When；
The overall assembling of step 4, shipping container：Nut, bolt and packing ring class workpiece are detected and selected simultaneously before assembling
The workpiece for not meeting matching requirements is repaired；Shaft-like workpiece and pressing device are detected and confirmed, and with 200#
Spend gauze and remove fine, soft fur thorn, then clean up；During assembling, elastic cushion block and lower house component and shock frame are assembled successively, then
Fixing support rack and pressed component, strut component are assembled, gasket seal is then assembled, it is one then to assemble upper and lower casing component
Body, with the assembling for making completion container entirety after pin-and-hole；
Step 5, measuring for verticality：Make support frame after the support frame being completed is sling in the raw, using country five
Measurement rectangular co-ordinate value method in item detection principle, carries out measuring for verticality and simultaneously adjusts；Support frame is overturn, duplicate measurements is vertical
Spend and adjust, overturn and measure adjustment and repeat five times；
Step 6, loading and unloading test：After perpendicularity passed examination, protection board component is opened, will be with novel fuel assembly profile chi
Very little and weight identical two pieces simulated assembly is put on the slab of support frame, is required to carry out fuel assembly according to test program
Load and unloading test；
Step 7, static load and dynamic test：Safety valve stamping tooling is loaded in container after loading and unloading pass the test, in container
The lead for simulated fuel assembly weight is uniformly placed stainless steel protection plate upper surface in portion, container is reached all-up weight
1.1 times, upper housing component is loaded onto, upper and lower casing component is fastened as a whole by blending bolt, then put in two of upper housing component
Put and the lead is uniformly placed on support, container is reached 1.25 times of all-up weight, container is hung ground using special hanger
Face, and hanging a period of time is to complete static load test；Carry out placing the 100%PT inspections of cradle weld after the completion of static load test
Survey, while the lead placed on two placement supports of upper shell is moved away from into support, place cradle weld 100%PT detections
Container is lifted by crane three times to complete dynamic loading experiment after qualified；Carried out again to placing cradle weld after the completion of dynamic loading experiment
100%PT is detected；
Step 8, sealing and safety valve open experiment：Seal tightness test is carried out to whole container and safety valve opens experiment；
Step 9, touch-up paint, cleaning, packaging and shipping：Coming off and damaging for being painted to the vessel surface caused by experiment is mended
Paint, and shipping is packed after integrally being cleaned to container.
2. CNFC-3G fresh fuels shipping container manufacture method as claimed in claim 1, it is characterised in that：Rolled over described in step 1
Decile bending line is drawn when curved and presses line centering, 9.38m, co-pressed 156 knife of upper shell, co-pressed 158 knife of lower house are suppressed per knife.
3. CNFC-3G fresh fuels shipping container manufacture method as claimed in claim 1, it is characterised in that：Point described in step 3
In strict accordance with the symmetrical skip welding in defined area during weldering, to control heat to input, reduce welding deformation.
4. CNFC-3G fresh fuels shipping container manufacture method as claimed in claim 1, it is characterised in that：59 are welded in step 3
Welding reference plane is redefined during part support, that is, avoids cumulative errors.
5. CNFC-3G fresh fuels shipping container manufacture method as claimed in claim 1, it is characterised in that：Described in step 3
Cork pad is obtained by being ground in the method for leveling ruler lower surface stickup fine sandpaper to cork sheet surface.
6. CNFC-3G fresh fuels shipping container manufacture method as claimed in claim 1, it is characterised in that：It is quiet described in step 7
Container is hung ground 100mm, hanging 10 minutes by load test；The each lift stroke of dynamic loading experiment is not less than 2.5 meters, lifting
Speed 15m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745603.XA CN104751925B (en) | 2013-12-29 | 2013-12-29 | A kind of CNFC 3G fresh fuels shipping container manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745603.XA CN104751925B (en) | 2013-12-29 | 2013-12-29 | A kind of CNFC 3G fresh fuels shipping container manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104751925A CN104751925A (en) | 2015-07-01 |
| CN104751925B true CN104751925B (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5454620A (en) * | 1991-01-18 | 1995-10-03 | Ultra Lite Manufacturing, Inc. | Stressed-skin cargo carrier |
| CN1208495A (en) * | 1996-02-06 | 1999-02-17 | 英国核子燃料公司 | Sealed basket for pressurised water reactor fuel assemblies |
| CN1300079A (en) * | 1999-12-15 | 2001-06-20 | Gnb核能容器有限公司 | Method for making transport and/or storage container for radial objects |
| CN103157884A (en) * | 2011-12-14 | 2013-06-19 | 中核建中核燃料元件有限公司 | Fuel assembly transportation container manufacturing welding process |
| CN103474119A (en) * | 2013-09-12 | 2013-12-25 | 中国核电工程有限公司 | Conveying container for nuclear fuel assemblies |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2935532B1 (en) * | 2008-08-27 | 2012-07-13 | Tn Int | PROCESS FOR MANUFACTURING PACKAGING FOR THE TRANSPORT AND / OR STORAGE OF NUCLEAR MATERIALS USING THE WELDING REMOVAL PHENOMENON |
-
2013
- 2013-12-29 CN CN201310745603.XA patent/CN104751925B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5454620A (en) * | 1991-01-18 | 1995-10-03 | Ultra Lite Manufacturing, Inc. | Stressed-skin cargo carrier |
| CN1208495A (en) * | 1996-02-06 | 1999-02-17 | 英国核子燃料公司 | Sealed basket for pressurised water reactor fuel assemblies |
| CN1300079A (en) * | 1999-12-15 | 2001-06-20 | Gnb核能容器有限公司 | Method for making transport and/or storage container for radial objects |
| CN103157884A (en) * | 2011-12-14 | 2013-06-19 | 中核建中核燃料元件有限公司 | Fuel assembly transportation container manufacturing welding process |
| CN103474119A (en) * | 2013-09-12 | 2013-12-25 | 中国核电工程有限公司 | Conveying container for nuclear fuel assemblies |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104751925A (en) | 2015-07-01 |
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