CN102179603A - Automatic welding and sealing device of spent fuel storage tank plug - Google Patents
Automatic welding and sealing device of spent fuel storage tank plug Download PDFInfo
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- CN102179603A CN102179603A CN2011101006444A CN201110100644A CN102179603A CN 102179603 A CN102179603 A CN 102179603A CN 2011101006444 A CN2011101006444 A CN 2011101006444A CN 201110100644 A CN201110100644 A CN 201110100644A CN 102179603 A CN102179603 A CN 102179603A
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Abstract
The invention relates to the technical field of nuclear reactor engineering and discloses an automatic welding sealing device of a spent fuel storage tank plug, comprising a welding gun rotary welding machine, a welding gun revolving shaft, a welding gun, a lifting motor, a screw rod, a sliding rail and the like. The automatic welding and sealing device of the spent fuel storage tank plug can weld one circle on the boundary line of the storage tank plug and a tank opening under the protection of argon, and welding adopts edge burning welding, so that a complex welding rod conveying mechanism is avoided, and the reliable and effective sealing of the storage tank is ensured.
Description
Technical field
The present invention relates to the nuclear reactor field of engineering technology, relate in particular to a kind of spentnuclear fuel basin jar and fill in automatic welded seal device.
Background technology
The nuclear fuel that nuclear power station uses mainly is made up of fissile material and fertile material.Fissile material in the reactor can discharge a large amount of heats, i.e. nuclear energy in fission process; After fissioner is depleted to a certain degree, fissioner will become spentnuclear fuel, and the principal character of spentnuclear fuel is to have very strong radioactivity, and still produce decay heat.
China has entered nuclear power developing stage relatively fast, and increasing of the fast development of nuclear power and nuclear power generating sets speeds up the generation of spentnuclear fuel.China is in the develop actively pressurized-water reactor nuclear power plant, also at active development ball bed modular high temperature gas cooled reactor nuclear power station, the high temperature nuclear reactor nuclear power station be acknowledged as have the 4th generation the nuclear power principal character nuclear power station, have inherently safe, prevent nuclear proliferation, can produce advantages such as high-temperature technology heat.
What pebble bed high temperature reactor adopted is spheric fuel element, and disperse has coated fuel particle in the spheric fuel element.The about 1mm of the diameter of coated fuel particle.Spheric fuel element is that the fuel particle of some and matrix graphite are fully mixed, and is pressed into the graphite nodule of diameter 50mm, and then the act as a fuel shell of element of the pure graphite of parcel compacting one deck externally, and the fuel element external diameter that suppresses is 60mm.
Because the fuel element of pebble bed high temperature reactor is different with pressurized-water reactor nuclear power plant, spherical spentnuclear fuel from the reactor core discharge, need to adopt the spentnuclear fuel basin that is fit to the spheric fuel element storage to store, for reducing the manufacturing cost of spentnuclear fuel basin, the spentnuclear fuel basin is designed to thin-walled pressure vessel, for preventing to escape into the basin external environment condition at the radgas that the decay of lay up period spentnuclear fuel produces, basin jar plug is provided with 2 road O RunddichtringOs, after the jar plug is in place, if with the boundary line welded seal between jar plug and jar mouth, just can guarantee that the spentnuclear fuel basin is good in whole lay up period sealing, in the prior art, with the jar plug and jar mouthful between the device of boundary line welded seal because need to use welding wire, so conveying mechanism is very complicated, therefore whole device complexity, heaviness and cost height.
Summary of the invention
(1) technical problem that will solve
Technical problem solved by the invention provides a kind of simple in structure, automatic welded seal device that cost is low that basin jar plug and jar mouth is carried out welded seal.
(2) technical scheme
In order to achieve the above object, the present invention proposes a kind of spentnuclear fuel basin jar and fill in automatic welded seal device, comprising:
Welding support;
Lifting motor, described lifting motor is arranged on the top of welding support;
Elevating screw, described elevating screw is connected with the bottom of described lifting motor;
Lifting sliding rail, the two ends of described lifting sliding rail are arranged on the described welding support;
Elevator platform, the side of described elevator platform is arranged on the described lifting sliding rail, thereby moves up and down along described lifting sliding rail;
Lifting nut, described lifting nut is arranged on the described elevator platform, and with described elevating screw matched in clearance;
The welding gun electric rotating machine, described welding gun electric rotating machine is arranged on the bottom of described elevator platform;
Motor travelling gear, described motor travelling gear are arranged on the output shaft of described welding gun electric rotating machine lower end;
The rotating shaft travelling gear, described rotating shaft travelling gear and the engagement of described motor travelling gear;
The welding gun rotating shaft, the upper end of described welding gun rotating shaft and described rotating shaft travelling gear are fixed together;
Bearing, the inner ring of described bearing is fixed on the top of described welding gun rotating shaft, and the outer ring of described bearing is fixed on the described elevator platform;
Welding gun, described welding gun is arranged on the bottom of described welding gun rotating shaft;
Wherein, also comprise center positioning mechanism, it is arranged on the bottom of described welding gun rotating shaft.
Wherein, also comprise the radome top cover with perforate, described welding gun rotating shaft is by the perforate of described radome top cover.
Wherein, also comprise lateral adjustment, it is arranged at the bottom of described welding support.
Wherein, also comprise fixed head, described fixed head is arranged on the described welder support.
Wherein, also comprise the argon bottle and the source of welding current.
(3) beneficial effect
Technical scheme of the present invention has following advantage: spentnuclear fuel basin jar of the present invention is filled in automatic welded seal device and can be welded a week under argon shield a basin jar plug and jar boundary line of mouth; welding is adopted and is burnt side weld; avoided complicated welding wire conveying mechanism, and the sealing that can guarantee basin reliably and with long-term and effectively.
Description of drawings
Fig. 1 fills in the schematic diagram of automatic welded seal device embodiment for spentnuclear fuel basin jar of the present invention.
Wherein, 1: lifting motor; 2: elevating screw; 3: lifting sliding rail; 4: lifting nut; 5: elevator platform; 6: the welding gun electric rotating machine; 7: the motor travelling gear; 8: the rotating shaft travelling gear; 9: bearing; 10: the welding gun rotating shaft; 11: the radome top cover; 12: welding gun; 13: circumferential weld; 14: center positioning mechanism; 15: basin jar plug; 16: basin jar mouth; 17: the lateral attitude governor motion; 18: fixed head; 19: welder support; 20: concrete wall; 21: argon bottle; 22: the source of welding current.
The specific embodiment
In order to be illustrated more clearly in technical scheme of the present invention, be further described below in conjunction with accompanying drawing.
As shown in Figure 1, fill in the schematic diagram of automatic welded seal device embodiment, comprise parts such as welding gun electric rotating machine 5, welding gun rotating shaft 10, welding gun 12, lifting motor 1, leading screw 2 and slide rail 3 for spentnuclear fuel basin jar of the present invention.
Fixed head 18 is fixed on the concrete wall 20, and fixed head 18 is arranged on the welder support 19.Lifting motor 1 is arranged on the top of welder support 19, and is connected with the elevating screw 2 of its underpart, and lifting motor 1 can drive elevating screw 2 when rotating and rotate simultaneously.Lifting nut 4 is arranged on the elevator platform 5, and with elevating screw 2 matched in clearance, when elevating screw 2 rotates, lifting nut 4 is driven lifting by leading screw 2, the elevator platform 5 that side is arranged on the lifting sliding rail 3 (its two ends are arranged on the welder support 19) can be made same descending operation along lifting sliding rail 3 along with lifting nut 4.Welding gun electric rotating machine 6 is arranged on the bottom of elevator platform 5, motor travelling gear 7 is arranged on the lower end output shaft of welding gun electric rotating machine 6, after welding gun electric rotating machine 6 starts, can drive motor travelling gear 7 and rotate, rotate with its rotation with rotating shaft travelling gear 8 meetings of motor travelling gear 7 engagements.The upper end of welding gun rotating shaft 10 and rotating shaft travelling gear 8 are fixed together, and can rotate with its rotation.The inner ring of bearing 9 is arranged on the top of welding gun rotating shaft 10, the outer ring is arranged on the elevator platform 5, welding gun 12 is arranged on the bottom of welding gun rotating shaft 10, when welding gun rotating shaft 10 was rotated, welding gun 12 can be with its rotation, simultaneously to being carried out welding operation by weld-ring seam 13, center positioning mechanism 14 is arranged on the bottom of welding gun rotating shaft 10, can cooperate with the location vertebral foramen that the basin jar is filled in 15 upper ends, be used for welding gun rotating shaft 10 navigated to the basin jar and fill in 15 coaxial arrangement, so that make the welding position accurate.Radome top cover 11 is positioned on the basin jar mouth 16, is used for shielding the radioactivity of spentnuclear fuel charging process, and welding gun rotating shaft 10 is carried out welding operation by the upper end that the perforate on the radome top cover 11 is inserted into basin jar mouth 16.Lateral attitude governor motion 17 is arranged at the bottom of welder support 19, navigates to the basin jar in center positioning mechanism 14 and fills in the process of location, 15 upper ends vertebral foramen, and lateral attitude governor motion 17 can drive a whole set of welder and do horizontal position adjustment.Argon bottle 21 is positioned near the welder, and in order to provide welding required argon gas, the source of welding current 22 also is positioned near the welder, in order to provide welding required electric power.
Spentnuclear fuel basin jar of the present invention is filled in automatic welded seal device, and operating process is as follows:
1. operation original state:
2. welding gun is dropped on the circumferential weld to be welded:
Starter motor 1, driving elevating screw 2 rotates, elevating screw 2 drive elevator platforms 5 along lifting sliding rail 3 to lower slider, elevator platform 5 drive welding gun rotating shafts 10 and welding gun 12 are to lower slider, welding gun rotating shaft 10 and welding gun 12 pass the perforate on the radome top cover 11, center positioning mechanism 14 is inserted the basin jar and is filled in the location vertebral foramen of 15 upper ends, lateral attitude governor motion 17 drives a whole set of welder and carries out the lateral attitude adjusting, welding gun rotating shaft 10 is navigated to the basin jar fill in 15 coaxial arrangement, the end of welding gun 12 is then dropped on the circumferential weld 13 to be welded, welding gun whereabouts end of operation.
3. the welding gun rotation seals girth welding to be welded:
Argon bottle 21 is connected with welding gun 12 with the source of welding current 22; start the source of welding current 22; open the valve on the argon bottle 21; start welding gun electric rotating machine 6; welding gun electric rotating machine 6 drives 7 rotations of motor travelling gear; motor travelling gear 7 drives rotating shaft travelling gear 8 rotations with its engagement; 8 drive welding guns of rotating shaft travelling gear rotating shaft, 10 rotations; welding gun rotating shaft 10 drives welding gun 12 rotations, and welding gun 12 rotates a circle, and circumferential weld 13 welded seals to be welded are finished; then welding gun electric rotating machine 6 is shut down; disconnect the source of welding current 22, close the valve on the argon bottle 21, the girth welding end of operation.
4. welding gun is mentioned from being sewed on by weld-ring:
Start motor 1; driving elevating screw 2 rotates; elevating screw 2 drives elevator platform 5 and upwards slides along lifting sliding rail 3; elevator platform 5 drives welding gun rotating shaft 10 and welding gun 12 upwards slides; welding gun rotating shaft 10 and welding gun 12 pass the perforate on the radome top cover 11; from be lifted to the top of radome top cover 11 by weld-ring seam 13, motor 1 to be shut down, welding gun 12 is mentioned end of operation.
Spentnuclear fuel basin jar of the present invention is filled in automatic welded seal device, has the following advantages:
1. by adopting elevating screw to drive welding gun, can Long-distance Control finish the descending operation of welding gun, can effectively reduce operating personnel's irradiation dose, help the radiation protection of operating process.
2. by adopting the power source of motor as descending operation, the operating reliability height has reduced the possibility that misoperation takes place.
3. by adopting the mode of electric rotating machine and gears engaged, finish the welding of basin jar choma seam, operation is simple and reliable.
4. by the center positioning mechanism in the welding gun rotating shaft, can insert the location vertebral foramen that the basin jar is held beyond the Great Wall, the positional accuracy height.
5. by the lateral attitude governor motion, can adjust the position of welding gun, make it can accurately navigate on the circumferential weld to be welded convenient and reliable operation.
6. by adopting lifting sliding rail, can make elevator platform stressed even in the descending operation process, improve the reliability and the accuracy of descending operation.
Spentnuclear fuel basin jar of the present invention is filled in basin jar mouth or the miscellaneous equipment that automatic welded seal device also can be used for welding other type, has than application fields
The above only is embodiments of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (6)
1. a spentnuclear fuel basin jar is filled in automatic welded seal device, it is characterized in that, comprising:
Welding support (19);
Lifting motor (1), described lifting motor (1) is arranged on the top of welding support (19);
Elevating screw (2), described elevating screw (2) is connected with the bottom of described lifting motor;
Lifting sliding rail (3), the two ends of described lifting sliding rail (3) are arranged on the described welding support (19);
Elevator platform (5), the side of described elevator platform (5) is arranged on the described lifting sliding rail (3), thereby moves up and down along described lifting sliding rail (3);
Lifting nut (4), described lifting nut are arranged on the described elevator platform (5), and with described elevating screw (2) matched in clearance;
Welding gun electric rotating machine (6), described welding gun electric rotating machine (6) is arranged on the bottom of described elevator platform (5);
Motor travelling gear (7), described motor travelling gear (7) are arranged on the output shaft of described welding gun electric rotating machine (6) lower end;
Rotating shaft travelling gear (8), described rotating shaft travelling gear (8) and described motor travelling gear (7) engagement;
Welding gun rotating shaft (10), the upper end of described welding gun rotating shaft (10) and described rotating shaft travelling gear (8) are fixed together;
Bearing (9), the inner ring of described bearing (9) is fixed on the top of described welding gun rotating shaft (10), and the outer ring of described bearing (9) is fixed on the described elevator platform (5);
Welding gun (12), described welding gun (12) is arranged on the bottom of described welding gun rotating shaft (10);
2. spentnuclear fuel basin jar as claimed in claim 1 is filled in automatic welded seal device, it is characterized in that, also comprises center positioning mechanism (14), and it is arranged on the bottom of described welding gun rotating shaft (10).
3. spentnuclear fuel basin jar as claimed in claim 2 is filled in automatic welded seal device, it is characterized in that, also comprises the radome top cover (11) with perforate, and described welding gun rotating shaft (10) is by the perforate of described radome top cover (11).
4. spentnuclear fuel basin jar as claimed in claim 3 is filled in automatic welded seal device, it is characterized in that, also comprises lateral adjustment (17), and it is arranged at the bottom of described welding support (19).
5. spentnuclear fuel basin jar as claimed in claim 4 is filled in automatic welded seal device, it is characterized in that, also comprises fixed head (18), and described fixed head (18) is arranged on the described welder support (19).
6. fill in automatic welded seal device as each described spentnuclear fuel basin jar among the claim 1-5, it is characterized in that, also comprise the argon bottle (21) and the source of welding current (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101006444A CN102179603A (en) | 2011-04-21 | 2011-04-21 | Automatic welding and sealing device of spent fuel storage tank plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101006444A CN102179603A (en) | 2011-04-21 | 2011-04-21 | Automatic welding and sealing device of spent fuel storage tank plug |
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| Publication Number | Publication Date |
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| CN102179603A true CN102179603A (en) | 2011-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101006444A Pending CN102179603A (en) | 2011-04-21 | 2011-04-21 | Automatic welding and sealing device of spent fuel storage tank plug |
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| CN (1) | CN102179603A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513750A (en) * | 2011-12-31 | 2012-06-27 | 南通巨能锻压机床有限公司 | Car motor rotor welding machine |
| CN102689082A (en) * | 2012-06-04 | 2012-09-26 | 昆山市三众模具制造有限公司 | Welding machine for energy absorption box subassembly |
| CN103862212A (en) * | 2013-12-31 | 2014-06-18 | 郑州科慧科技股份有限公司 | Handheld automatic welding head for welding closely-spaced small-diameter metal pipes |
| CN105255502A (en) * | 2015-11-18 | 2016-01-20 | 鞍山市科翔仪器仪表有限公司 | Environment-friendly load test coke oven and use method thereof |
| CN105965135A (en) * | 2016-06-02 | 2016-09-28 | 华中科技大学 | Tube plate argon arc welding machine with static positioning shaft |
| CN108597633A (en) * | 2018-04-27 | 2018-09-28 | 清华大学 | The shielding conveyer method and equipment of spentnuclear fuel |
| CN113658735A (en) * | 2021-07-27 | 2021-11-16 | 杭州景业智能科技股份有限公司 | Waste packaging system and waste packaging method |
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| JPH11216574A (en) * | 1998-01-27 | 1999-08-10 | Honda Motor Co Ltd | Circular work welding device |
| CN201223991Y (en) * | 2008-06-23 | 2009-04-22 | 上海锅炉厂有限公司 | Automatic welding apparatus for collecting box running nipple fillet |
| CN101811219A (en) * | 2009-12-08 | 2010-08-25 | 苏州威达焊割科技有限公司 | Multi-wire outer-welding machine conductive brush lifting upright post |
| CN201711682U (en) * | 2010-05-21 | 2011-01-19 | 北京石油化工学院 | Portable perforated connecting pipe and saddle-shaped seam welding integrated machine |
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2011
- 2011-04-21 CN CN2011101006444A patent/CN102179603A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11216574A (en) * | 1998-01-27 | 1999-08-10 | Honda Motor Co Ltd | Circular work welding device |
| CN201223991Y (en) * | 2008-06-23 | 2009-04-22 | 上海锅炉厂有限公司 | Automatic welding apparatus for collecting box running nipple fillet |
| CN101811219A (en) * | 2009-12-08 | 2010-08-25 | 苏州威达焊割科技有限公司 | Multi-wire outer-welding machine conductive brush lifting upright post |
| CN201711682U (en) * | 2010-05-21 | 2011-01-19 | 北京石油化工学院 | Portable perforated connecting pipe and saddle-shaped seam welding integrated machine |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513750A (en) * | 2011-12-31 | 2012-06-27 | 南通巨能锻压机床有限公司 | Car motor rotor welding machine |
| CN102513750B (en) * | 2011-12-31 | 2014-12-03 | 南通巨能锻压机床有限公司 | Car motor rotor welding machine |
| CN102689082A (en) * | 2012-06-04 | 2012-09-26 | 昆山市三众模具制造有限公司 | Welding machine for energy absorption box subassembly |
| CN102689082B (en) * | 2012-06-04 | 2015-05-13 | 昆山市三众模具制造有限公司 | Welding machine for energy absorption box subassembly |
| CN103862212A (en) * | 2013-12-31 | 2014-06-18 | 郑州科慧科技股份有限公司 | Handheld automatic welding head for welding closely-spaced small-diameter metal pipes |
| CN103862212B (en) * | 2013-12-31 | 2016-01-20 | 郑州科慧科技股份有限公司 | A kind of hand-held automatic welding head for the welding of solid matter small-caliber metal tubes |
| CN105255502A (en) * | 2015-11-18 | 2016-01-20 | 鞍山市科翔仪器仪表有限公司 | Environment-friendly load test coke oven and use method thereof |
| CN105255502B (en) * | 2015-11-18 | 2018-02-06 | 鞍山市科翔仪器仪表有限公司 | Environment-friendly load test coke oven and use method thereof |
| CN105965135A (en) * | 2016-06-02 | 2016-09-28 | 华中科技大学 | Tube plate argon arc welding machine with static positioning shaft |
| CN108597633A (en) * | 2018-04-27 | 2018-09-28 | 清华大学 | The shielding conveyer method and equipment of spentnuclear fuel |
| CN108597633B (en) * | 2018-04-27 | 2019-11-22 | 清华大学 | The shielding conveyer method and equipment of spentnuclear fuel |
| CN113658735A (en) * | 2021-07-27 | 2021-11-16 | 杭州景业智能科技股份有限公司 | Waste packaging system and waste packaging method |
| CN113658735B (en) * | 2021-07-27 | 2024-05-24 | 杭州景业智能科技股份有限公司 | Waste material packaging system and waste material packaging method |
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Application publication date: 20110914 |