CN113628773B - Nuclear power station spent fuel dry-type storage equipment support equipment is assembled with adjustable device - Google Patents
Nuclear power station spent fuel dry-type storage equipment support equipment is assembled with adjustable device Download PDFInfo
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- CN113628773B CN113628773B CN202110421463.5A CN202110421463A CN113628773B CN 113628773 B CN113628773 B CN 113628773B CN 202110421463 A CN202110421463 A CN 202110421463A CN 113628773 B CN113628773 B CN 113628773B
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- storage equipment
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- 238000003860 storage Methods 0.000 title claims abstract description 46
- 239000002915 spent fuel radioactive waste Substances 0.000 title claims abstract description 45
- 239000011148 porous material Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/06—Magazines for holding fuel elements or control elements
- G21C19/07—Storage racks; Storage pools
-
- 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 invention discloses an adjustable device for assembling a support of a dry type spent fuel storage device of a nuclear power station, which is of a horizontal structure and is characterized by comprising a base, a front supporting seat, a rear supporting seat, a waist hole type supporting plate, an adjusting threaded pore plate and an adjusting bolt. The adjusting device can adjust the angle, the parallelism and the end face perpendicularity of the two rail bearing assemblies (guide rails) of the spent fuel dry storage equipment support in the assembling process, can be applied to the inspection of the assembly critical dimension of the spent fuel dry storage equipment support, can obviously improve the assembly efficiency and the assembly quality of the spent fuel dry storage equipment support of the nuclear power station, is convenient to operate, can quickly and conveniently adjust various dimension parameters after the spent fuel dry storage equipment support of the nuclear power station is placed on the adjustable device, and can be directly welded and fixed on a platform after meeting the requirements.
Description
Technical Field
The invention belongs to the technical field of nuclear industry building construction, and particularly relates to an adjustable device for assembling a support of a dry type spent fuel storage device of a nuclear power station.
Background
The nuclear power station spent fuel dry storage equipment support is a key support member of a dry spent fuel storage technology and a storage container, and has high requirements on parallelism, straightness and angle precision. The main technical requirements include: the rail space error of the support of the dry-type spent fuel storage equipment of the nuclear power plant is not more than 0.5mm; the angle of the two rails of the dry type storage equipment bracket of the spent fuel of the nuclear power plant is not more than 30 degrees+/-1 degrees; the parallelism of the support of the dry type spent fuel storage equipment of the nuclear power plant is not more than 0.5mm.
Disclosure of Invention
The invention aims to provide a novel adjustable device for assembling a bracket of a dry type storage device for spent fuel in a nuclear power station so as to realize the purpose of accurate adjustment.
The technical scheme provided by the invention is as follows:
an adjustable device for assembling a support of a dry type spent fuel storage device of a nuclear power station is of a horizontal structure and is characterized by comprising a base, a front supporting seat, a rear supporting seat, a waist hole type supporting plate, an adjusting threaded pore plate and an adjusting bolt;
the front support seat and the rear support seat are fixedly arranged above the base, right-angle grooves are respectively formed in the two shoulders of the front support seat and the rear support seat, the right-angle grooves on the two sides of the same support seat are bilaterally symmetrical, and the right-angle grooves correspond to each other in the front-rear direction between the front support seat and the rear support seat;
the right angle shape of the right angle groove is an elevation angle, and two right angle sides of the right angle groove incline corresponding to horizontal or vertical lines;
every right angle recess corresponds a set of waist hole type backing plate, a set of waist hole type backing plate include first plate body and second plate body, first plate body and second plate body are the flat board, wherein:
the first plate body is provided with a first waist-shaped through hole, the second plate body is provided with a left second waist-shaped through hole and a right second waist-shaped through hole which are parallel to each other, the first plate body and the second plate body are respectively stuck and fixed on two right-angle edges of the right-angle groove, so that the first waist-shaped through hole horizontally extends, and the extending direction of the second waist-shaped through hole is vertical to the extending direction of the first waist-shaped through hole;
in the front-rear direction, the widths of the first waist-shaped through holes and the second plate body are larger than the thickness of the supporting seat, the first waist-shaped through holes cross the corresponding supporting seat, and the two second waist-shaped through holes are respectively positioned at the front side and the rear side of the supporting seat, so that the adjusting bolts can pass through the left end and the right end of the first waist-shaped through holes and the two second waist-shaped through holes;
the first waist-shaped through holes are provided with left and right adjusting bolts, the two second waist-shaped through holes are respectively provided with an adjusting bolt, the back surfaces of the first plate body and the second plate body are respectively provided with an adjusting threaded pore plate, and threaded holes matched with the adjusting bolts are formed in the adjusting threaded pore plates and used for positioning the adjusting positions of the adjusting bolts; the adjusting bolt penetrates through the adjusting threaded hole plate and the first or second plate body from the back of the first or second plate body, and extends upwards to be in contact with the rail bearing assembly of the spent fuel dry storage equipment support, and the extending length of the adjusting bolt can be adjusted through screwing, so that the installation parameters of the rail bearing assembly of the spent fuel dry storage equipment support are adjusted.
In addition to the above, a further improved or preferred embodiment further includes:
further, fixed mounting has front end guardrail and rear end guardrail on the base, front end guardrail and rear end guardrail are equal "door" word frame structure, are equipped with two left and right sides vertical beams of horizontally top crossbeam and connection base, the top crossbeam is used as the horizontal benchmark of assistance measurement, and two vertical beams block respectively in the front and back both sides of spent fuel dry-type storage equipment support rail bearing assembly.
Further, the front supporting seat or the rear supporting seat is connected with the base through the upright post, and the front supporting seat and the rear supporting seat are connected through the left supporting seat pull rod and the right supporting seat pull rod.
Furthermore, the waist hole type supporting plate and the adjusting threaded hole plate are formed by machining a steel plate with the thickness of 20mm through a double-sided machine, and the flatness of two sides of the waist hole type supporting plate and the adjusting threaded hole plate is within 0.1 mm.
Further, the adjusting bolt is preferably a high-strength bolt with a length of M20 or more.
Furthermore, the whole material of the device is made of Q235B carbon steel, and the appearance of the device is treated by sand blasting paint, so that the device is prevented from being corroded.
The beneficial effects are that:
the adjusting device disclosed by the invention has reasonable structure planning and easiness in realization, can be used for adjusting angles, parallelism and end face verticality of two rail bearing assemblies (guide rails) of the spent fuel dry storage equipment support in the assembly process and checking the assembly critical dimension of the spent fuel dry storage equipment support, can obviously improve the assembly efficiency and the assembly quality of the spent fuel dry storage equipment support of the nuclear power station, is convenient to operate, can be used for quickly and conveniently adjusting various dimension parameters after the spent fuel dry storage equipment support of the nuclear power station is placed on the adjustable device, and can be directly welded and fixed on a platform after meeting the requirements.
Drawings
FIG. 1 is a top view of an adjustment device of the present invention;
FIG. 2 is a front view of the adjustment device of the present invention;
FIG. 3 is a schematic view of a waist hole type support plate and a threaded orifice plate of the adjusting device of the present invention;
FIG. 4 is a schematic diagram showing the cooperation of a waist hole type supporting plate, a threaded hole plate and an adjusting bolt in the adjusting device of the invention;
FIG. 5 is a schematic view of the overall structure of the adjusting device of the present invention;
FIG. 6 is a perspective view of a spent fuel dry storage equipment rack;
FIG. 7 is a structural view of a spent fuel dry storage equipment rack assembled on the conditioning apparatus of the present invention;
fig. 8 is a schematic view of the overall structure of the adjusting device of the present invention.
Description of the embodiments
In order to clarify the technical scheme and working principle of the present invention, the present invention will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 5, the adjustable device 2 for assembling a support of a dry spent fuel storage equipment for a nuclear power plant according to the present invention has a horizontal structure, and comprises the following main components: front end guardrail 2-1, base 2-2, adjusting screw thread orifice plate 2-3, adjusting bolt 2-4, stand 2-5, waist hole type supporting plate, rear end guardrail 2-8, front supporting seat 2-11 and rear supporting seat 2-9 etc..
The front support seat 2-11 and the rear support seat 2-9 are vertically arranged plates and are welded and fixed above the base seat 2-2 through the upright posts 2-5, and meanwhile, the front support seat 2-11 and the rear support seat 2-9 are connected through the left support seat pull rod 2-10 and the right support seat pull rod 2-10, so that the structure is firmer.
As shown in fig. 5, the front support seat 2-11 and the rear support seat 2-9 have the same structure, and each of the two support seats is provided with a right-angle groove at the position of each of the two shoulders, and the two right-angle grooves at the two sides of the same support seat are bilaterally symmetrical about the vertical center line of the support seat, and the right-angle grooves between the front support seat 2-11 and the rear support seat 2-9 are correspondingly positioned in the front-rear direction, i.e. are positioned in the same straight line. The right angle shape of the right angle groove is an elevation angle, two right angle sides of the right angle groove incline corresponding to horizontal or vertical lines, and the inclined angle can be consistent with the standard inclination angle of the bearing rail assembly to be assembled.
Each right-angle groove corresponds to a group of waist hole type supporting plates, each waist hole type supporting plate comprises a first plate body 2-6 and a second plate body 2-7, each first plate body 2-6 and each second plate body 2-7 are of a flat plate structure, and each waist hole type supporting plate comprises:
the first plate body 2-6 is provided with a first waist-shaped through hole, the second plate body is provided with a left waist-shaped through hole and a right waist-shaped through hole which are parallel to each other (the waist-shaped through holes can also be called long holes), the first plate body and the second plate body are respectively stuck and fixed on two right-angle edges of the right-angle groove, so that the first waist-shaped through hole horizontally extends, and the extending direction of the second waist-shaped through hole is vertical to the extending direction of the first waist-shaped through hole, as shown in fig. 3 and 4.
In the front-rear direction, the widths of the first waist-shaped through holes and the second plate bodies 2-8 are larger than the thickness of the supporting seat, the first waist-shaped through holes cross the corresponding supporting seat, and the two second waist-shaped through holes are respectively positioned on the front side and the rear side of the supporting seat, so that the adjusting bolts can pass through the left end and the right end of the first waist-shaped through holes and the two second waist-shaped through holes.
The first waist-shaped through holes are provided with left and right adjusting bolts 2-4, the two second waist-shaped through holes are respectively provided with one adjusting bolt 2-4, the back surfaces of the first plate body and the second plate body are respectively provided with an adjusting threaded hole plate 2-3, and threaded holes matched with the adjusting bolts 2-4 are formed in the adjusting threaded hole plates 2-3 and used for positioning adjusting positions of the adjusting bolts 2-4.
When the device is used, the adjusting bolt 2-4 passes through the adjusting threaded hole plate 2-3 and the first or second plate body from the back of the first or second plate body, and extends upwards to be in contact with the rail bearing assembly of the spent fuel dry storage equipment bracket, and the extending length of the adjusting bolt can be adjusted by screwing, so that the adjustment of the installation parameters of the rail bearing assembly of the spent fuel dry storage equipment bracket can be realized, including the parameters such as angle, parallelism, end face perpendicularity and the like.
The front end guardrail 2-1 and the rear end guardrail 2-8 are of a door-shaped frame structure, are fixedly arranged on the front side and the rear side of the base 2-2, are identical in structure, and are provided with a horizontal top cross beam and a left vertical beam and a right vertical beam which are connected with the base 2-2. The top cross beam can be used as a horizontal reference to assist in measurement, and the two vertical beam amounts are respectively blocked at the front side and the rear side of the support rail assembly of the spent fuel dry storage equipment support, so that the support of the spent fuel dry storage equipment of the nuclear power station can be placed, and the adjustment and the construction of welding personnel are facilitated.
The main body of the adjusting device can be formed by welding various section steels, and the size of the adjusting device can be customized according to a specifically-adapted support of the dry type storage equipment for the spent fuel of the nuclear power station. For example, in this example, the base 2-2 is mainly formed by welding two 200H-section steels and 6 14# channel steels; the front and rear end guardrails are welded into a door-shaped frame structure by 3 14# channel steel and welded on the base, and the distance between the two guardrails is 6500mm; the waist hole type supporting plate and the adjusting threaded hole plate 2-3 are formed by machining steel plates with the thickness of 20mm through a double-sided machine, and the flatness of the two sides of the waist hole type supporting plate and the adjusting threaded hole plate is ensured to be within 0.1 mm; the adjusting bolt 2-4 is preferably a high-strength bolt with M20 or more. The whole device (each component) is preferably made of Q235B carbon steel, and the appearance of the device can be treated by sand blasting paint to prevent rust.
As shown in FIG. 6, the spent fuel dry storage equipment bracket 1 mainly comprises a left bearing rail assembly 1-1, a right bearing rail assembly 1-2, temporary supporting angle steel 1-3, 1-4, 1-5 and the like at each part in front, middle and back. Wherein the left support rail assembly 1-1 and the right support rail assembly 1-2 are parallel to each other and are inclined inwards.
When the device is regulated, the device is firstly placed on a horizontal operation platform after the device is manufactured, the spent fuel dry storage equipment support 1 is placed on the adjustable device to be positioned between two guardrails, the two rail bearing assemblies are placed in right-angle grooves of front and rear waist-shaped hole supporting plates and are contacted with regulating bolt plates penetrating through waist-shaped hole supporting plates, then the specific gap between the critical dimension and the requirement is confirmed through measurement of the spent fuel dry storage equipment support of the nuclear power station, and the gap between the critical dimension is not too large after the device is normally placed because the waist-shaped hole supporting plates and the regulating threaded holes are machined surfaces, and the support of the spent fuel dry storage equipment of the nuclear power station is finely regulated through rotating each regulating bolt to reach the required dimension. And (5) fixing the bolts through connecting pieces between the brackets and welding. After the welding is completed, the welding is placed on the adjustable device for 24 hours, and the installation and adjustment of the bracket are finished. The adjusted spent fuel dry storage equipment bracket can meet the technical requirements that the flatness is not more than 0.5mm, the spacing error is not more than 0.5mm and the assembly angle is within the range of 30 degrees+/-1 degrees.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An adjustable device for assembling a support of a dry type storage device for spent fuel in a nuclear power station is of a horizontal structure and is characterized by comprising a base (2-2), a front supporting seat (2-11), a rear supporting seat (2-9), a waist hole type supporting plate, an adjusting threaded pore plate (2-3) and an adjusting bolt (2-4);
the front support seat (2-11) and the rear support seat (2-9) are fixedly arranged above the base (2-2), right-angle grooves are respectively formed in the two shoulders of the two support seats, the right-angle grooves on the two sides of the same support seat are bilaterally symmetrical, and the right-angle grooves are corresponding to each other in the front-rear direction between the front support seat (2-11) and the rear support seat (2-9);
the right angle shape of the right angle groove is an elevation angle, and two right angle sides of the right angle groove incline corresponding to horizontal or vertical lines;
every right angle recess corresponds a set of waist hole type backing plate, a set of waist hole type backing plate include first plate body (2-6) and second plate body (2-7), first plate body (2-6) and second plate body (2-7) are the flat board, wherein:
a first waist-shaped through hole is formed in the first plate body (2-6), a left second waist-shaped through hole and a right second waist-shaped through hole which are parallel to each other are formed in the second plate body (2-7), the first plate body and the second plate body are respectively stuck and fixed on two right-angle edges of the right-angle groove, so that the first waist-shaped through hole horizontally extends, and the extending direction of the second waist-shaped through hole is perpendicular to the extending direction of the first waist-shaped through hole;
in the front-rear direction, the widths of the first waist-shaped through holes and the second plate body are larger than the thickness of the supporting seat, the first waist-shaped through holes cross the corresponding supporting seat, and the two second waist-shaped through holes are respectively positioned at the front side and the rear side of the supporting seat, so that the adjusting bolts can pass through the left end and the right end of the first waist-shaped through holes and the two second waist-shaped through holes;
the first waist-shaped through holes are provided with left and right adjusting bolts (2-4), the two second waist-shaped through holes are respectively provided with one adjusting bolt (2-4), the back surfaces of the first plate body and the second plate body are respectively provided with an adjusting threaded hole plate (2-3), and threaded holes matched with the adjusting bolts (2-4) are formed in the adjusting threaded hole plates (2-3) and are used for positioning the adjusting positions of the adjusting bolts (2-4); the adjusting bolts (2-4) penetrate through the adjusting threaded hole plates (2-3) and the first or second plate bodies from the back surfaces of the first or second plate bodies, extend upwards to be in contact with the rail bearing assembly of the spent fuel dry storage equipment support, and can be adjusted in extending length through screwing, so that the adjustment of installation parameters of the rail bearing assembly of the spent fuel dry storage equipment support is achieved.
2. The adjustable device for assembling a support of a dry type storage device for spent fuel in a nuclear power plant according to claim 1, wherein:
the novel spent fuel dry storage equipment comprises a base (2-2), wherein a front end guardrail (2-1) and a rear end guardrail (2-8) are fixedly arranged on the base (2-2), the front end guardrail (2-1) and the rear end guardrail (2-8) are of a door-shaped frame structure, a horizontal top cross beam and left and right vertical beams connected with the base (2-2) are arranged, the top cross beam is used as a horizontal reference for assisting measurement, and the two vertical beams are respectively blocked at the front side and the rear side of a spent fuel dry storage equipment support rail bearing assembly.
3. The adjustable device for assembling a support of a dry type storage device for spent fuel in a nuclear power plant according to claim 1, wherein:
the front support seat (2-11) or the rear support seat (2-9) is connected with the base (2-2) through the upright post (2-5), and the front support seat (2-11) is connected with the rear support seat (2-9) through the left support seat pull rod and the right support seat pull rod (2-10).
4. The adjustable device for assembling the nuclear power station spent fuel dry storage equipment bracket according to claim 1, wherein the waist hole type supporting plate and the adjusting threaded hole plate (2-3) are formed by machining a steel plate with the thickness of 20mm through a double-sided machine, and the flatness of two sides of the waist hole type supporting plate and the adjusting threaded hole plate is within 0.1 mm.
5. The adjustable device for assembling the nuclear power station spent fuel dry storage equipment bracket according to claim 1, wherein the adjusting bolts (2-4) are high-strength bolts with the diameter of M20 or more.
6. The adjustable device for assembling the support of the dry type storage equipment for the spent fuel of the nuclear power plant according to claim 1, wherein the whole material of the device is made of Q235B carbon steel, and the appearance of the device is treated by sand blasting paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110421463.5A CN113628773B (en) | 2021-04-20 | 2021-04-20 | Nuclear power station spent fuel dry-type storage equipment support equipment is assembled with adjustable device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110421463.5A CN113628773B (en) | 2021-04-20 | 2021-04-20 | Nuclear power station spent fuel dry-type storage equipment support equipment is assembled with adjustable device |
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| CN113628773A CN113628773A (en) | 2021-11-09 |
| CN113628773B true CN113628773B (en) | 2023-11-10 |
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| CN113421686A (en) * | 2021-06-25 | 2021-09-21 | 中国核电工程有限公司 | Movable supporting device for concrete dry-method storage system |
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| RU2711214C1 (en) * | 2019-07-12 | 2020-01-15 | Федеральное государственное бюджетное учреждение "Национальный исследовательский центр "Курчатовский институт" | Spent fuel reprocessing method of fuel assemblies of nuclear reactor |
| CN212361336U (en) * | 2020-04-21 | 2021-01-15 | 中国科学院西安光学精密机械研究所 | Two-dimensional adjustable supporting device for large-scale equipment |
| CN212799185U (en) * | 2020-06-29 | 2021-03-26 | 常熟市谢桥台板有限责任公司 | Multi-angle adjustable car guide rail bracket |
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Effective date of registration: 20230421 Address after: 210019 Yunlong mountain road, Jianye District, Nanjing, Jiangsu 79 Applicant after: China Nuclear Industry Huaxing Construction Co.,Ltd. Applicant after: CHINA NUCLEAR INDUSTRY HUAYU ENGINEERING CO.,LTD. Address before: 210019 Yunlong mountain road, Jianye District, Nanjing, Jiangsu 79 Applicant before: China Nuclear Industry Huaxing Construction Co.,Ltd. |
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