CN117657933A - Lifting device for sodium-cooled fast reactor top fixed shielding equipment and use method thereof - Google Patents
Lifting device for sodium-cooled fast reactor top fixed shielding equipment and use method thereof Download PDFInfo
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- CN117657933A CN117657933A CN202311616112.5A CN202311616112A CN117657933A CN 117657933 A CN117657933 A CN 117657933A CN 202311616112 A CN202311616112 A CN 202311616112A CN 117657933 A CN117657933 A CN 117657933A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The application provides a lifting device for sodium-cooled fast reactor top fixed shielding equipment and a use method thereof. The two cross beams are connected between the opposite sides of the two load-bearing main beams. The end beam is positioned on the bottom surface of the end part of the bearing main beam. The stand is located the side that the end beam deviates from the crossbeam, and the both ends of every end beam set up a stand respectively. The hydraulic systems are uniformly arranged at the position surrounded by the two cross beams and the two bearing main beams. The plurality of sling tools are respectively connected with the plurality of hydraulic systems through steel wires, and the sling tools are configured to be connected with an inner ring cylinder of the pile top fixed shielding device through bolts. The hydraulic system is configured to lift the wire rope by pressurization and drive the hoist and the inner ring barrel to move upward. The method reduces occupied space by adopting a means of combining a narrow beam technology and a hydraulic system technology, and realizes long-term providing of enough lifting force.
Description
Technical Field
The application belongs to the technical field of sodium-cooled fast reactors, and particularly relates to a lifting device for a sodium-cooled fast reactor top fixed shielding device and a use method thereof.
Background
The sodium-cooled fast reactor top fixed shielding equipment weighs about 1000 tons, the diameter of the equipment is about 19 meters, the height of the equipment is about 2 meters, so that the existing site conditions and the hoisting equipment can not be integrally hoisted at present, the equipment needs to be provided with a shell component (weighing about 600 tons) on a reactor pit firstly, then the inside of the equipment is filled, the shell component can be deformed downwards under the action of gravity in the process of calculation and installation due to the fact that the filling weight is large in the installation process and the equipment is not finally formed, and the lifting force of at least 400 tons is required to be upwards for the shell component to offset the deformation, and the maintenance is about 2 months.
Existing cranes for sodium-cooled fast nuclear islands can provide a lifting function, but the following disadvantages are overcome: 1) The rated load of the crane is only 250 tons, and the lifting force requirement of 400 tons is not met; 2) The crane design working condition can not carry load for a long time and can not meet the long-term load requirement of equipment installation; 3) Meanwhile, the deep cross construction of the reactor factory building is realized, and the factory building crane is used as an important hoisting resource and does not allow the factory building to be occupied for a long time.
Disclosure of Invention
In view of this, the embodiment of the application aims to provide a lifting device for a sodium-cooled fast reactor top fixed shielding device and a use method thereof, and by fully utilizing on-site environmental conditions and adopting a means of combining a narrow beam technology and a hydraulic system technology, the problems of insufficient lifting force, large occupied space and the like existing in the installation process of the sodium-cooled fast reactor top fixed shielding device in the prior art are solved.
The first aspect of the application provides a lifting device for a sodium-cooled fast reactor top fixed shielding device, which comprises two bearing main beams, two cross beams, two end beams, four upright posts, a plurality of hydraulic systems and a plurality of lifting rigging which are arranged in parallel. The two cross beams are connected between the opposite side surfaces of the two bearing main beams and are perpendicular to the bearing main beams; one of the two end beams is positioned on the bottom surface of the end part of the same side of the two bearing main beams, and the other end beam is positioned on the bottom surface of the end part of the other side of the two bearing main beams. Four stand are located the end beam and deviate from one side of crossbeam, and the both ends of every end beam set up an stand respectively, and four stand are configured to install on heap pit civil engineering annular wall. The hydraulic systems are uniformly arranged at the position surrounded by the two cross beams and the two bearing main beams. The plurality of sling tools are respectively connected with the plurality of hydraulic systems through steel wires, and the sling tools are configured to be connected with an inner ring cylinder of the pile top fixed shielding device through bolts. The hydraulic system is configured to lift the wire rope by pressurization and to drive the hoist rigging and the inner ring drum of the roof-mounted shielding device to move upwardly.
In the scheme, the independent box girder technical means consisting of the two cross girders and the two bearing main girders are arranged, so that the narrow girder technical means is adopted, the lifting device can be located on the bottom surface of a factory building, the occupied space is reduced, and the lifting device has the advantages of high strength and small size. In addition, the lifting device adopts a hydraulic system technical means, so that sufficient lifting force is provided for a long time, the size of the lifting device is optimized, and the lifting device is convenient to drive and adjust.
In one specific implementation of the present application, the plurality of hydraulic systems is four hydraulic systems. Two sets of hydraulic systems in the four sets of hydraulic systems are respectively arranged on the two cross beams, and the other two sets of hydraulic systems in the four sets of hydraulic systems are respectively arranged at the positions of the two bearing main beams between the two cross beams.
In a specific implementation mode of the application, the end beams are respectively connected with the upright posts and the bearing main beams through bolts; and/or the hydraulic system is arranged on the bearing main beam and the cross beam through bolts; and/or the bearing main beam and the cross beam are connected through bolts.
In one specific implementation of the application, the upright posts are mounted on the pile pit civil engineering annular wall through foundation bolts.
A second aspect of the present application provides a method for using a lifting device for a top-of-sodium cooled fast reactor fixed shielding device according to the first aspect of the present application, the method for using the lifting device comprising: connecting a plurality of lifting rigs in the lifting device with an inner ring cylinder of the pile top fixed shielding equipment through bolts; the steel wire ropes in the lifting device are uniformly lifted by pressurizing a plurality of sets of hydraulic systems in the lifting device, and the lifting rigging and the inner ring cylinder of the pile top fixed shielding equipment in the lifting device are driven to move upwards.
In a specific implementation manner of the application, the application method further comprises the following steps: detecting deviation between an inner ring cylinder of the pile top fixed shielding equipment and each plane of the equipment; if the deviation between the inner ring cylinder of the pile top fixed shielding equipment and each plane of the equipment exceeds the installation range, the deviation between the inner ring cylinder of the pile top fixed shielding equipment and each plane of the equipment is leveled within the installation range by adjusting the pressure of the hydraulic system.
Drawings
Fig. 1 is a schematic structural diagram of a lifting device for a top-fixed shielding device of a sodium-cooled fast reactor according to an embodiment of the present application.
Fig. 2 is a flow chart of a method for using a lifting device for a top fixed shielding device of a sodium-cooled fast reactor according to an embodiment of the present application.
Fig. 3 is a schematic flow chart of a method for using a lifting device for a top-fixed shielding device of a sodium-cooled fast reactor according to another embodiment of the present application.
Detailed Description
The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Fig. 1 is a schematic structural diagram of a lifting device for a top-fixed shielding device of a sodium-cooled fast reactor according to an embodiment of the present application.
As shown in fig. 1, a lifting device 100 for a top fixed shielding device of a sodium-cooled fast reactor according to at least one embodiment of the present application includes two parallel bearing main beams 1, two cross beams 2, two end beams 3, four upright posts 4, multiple hydraulic systems 5, and multiple lifting rigging 6. The two cross beams 2 are connected between opposite sides of the two load-bearing girders 1 and are both perpendicular to the load-bearing girders 1. One of the two end beams 3 is positioned on the bottom surface of the end part of the same side of the two bearing main beams 1, and the other end beam of the two end beams 3 is positioned on the bottom surface of the end part of the other side of the two bearing main beams 1. Four stand 4 are located the side that end beam 3 deviates from crossbeam 2, and the both ends of every end beam 3 set up a stand 4 respectively, and four stand 4 are configured to install on heap pit civil engineering annular wall A. The hydraulic systems 5 are evenly arranged at the position surrounded by the two cross beams 2 and the two bearing main beams 1. The plurality of slings 6 are respectively connected with the plurality of hydraulic systems 5 through steel wires, and the slings 6 are configured to be connected with the inner ring barrel of the pile top fixed shielding device B through bolts. The hydraulic system 5 is configured to lift the wire rope by pressurizing and to move the hoist 6 and the inner ring barrel of the pile top fixed shielding B upward. So, contrast factory building crane's wire rope hoist mechanism, the technical means of the independent case roof beam that this application embodiment provided utilizes mainly to constitute by two crossbeams 2 and two bearing girder 1 to realized adopting narrow roof beam technical means, make this hoist device can be located in the factory building bottom surface, reduced occupation space, have intensity big and small advantage. In addition, the lifting device adopts a hydraulic system technical means, so that sufficient lifting force is provided for a long time, the size of the lifting device is optimized, and the lifting device is convenient to drive and adjust.
The pile top fixed shielding device B is arranged in the pile pit, and is welded with an embedded part on the civil engineering annular wall through an outer ring upper skirt plate to support the whole weight of the pile top fixed shielding device B.
The bearing main beam 1 is mainly used for bearing components, and when the pile top fixed shielding device B is lifted, the bearing main beam 1 spans over the pile top fixed shielding device B. The cross beam 2 is mainly used for connecting two load-bearing main beams 1 and can bear part of the load. The end beams 3 are mainly used for connecting the main beams 1 and the upright posts 4 and are capable of transferring loads to the upright posts 4. The upright 4 is mainly used for supporting the whole load of the lifting device and transmitting the load to the civil engineering ring wall. The hydraulic system 5 may have hydraulic cylinders by means of which a sufficient lifting force may be provided.
In the pulling apparatus 100 provided in at least one embodiment of the present application, the plurality of hydraulic systems 5 is four hydraulic systems. Two sets of hydraulic systems in the four sets of hydraulic systems 5 are respectively arranged on the two cross beams 2, and the other two sets of hydraulic systems in the four sets of hydraulic systems 5 are respectively arranged at the positions between the two cross beams 2 of the two bearing main beams 1. Thus, the four hydraulic systems are fully utilized to provide enough and long-term lifting force.
In a specific implementation mode of the application, the end beams 3 are respectively connected with the upright posts 4 and the bearing main beams 1 through bolts; and/or the hydraulic system 5 is mounted on the bearing main beam 1 and the cross beam 2 through bolts; and/or the load-bearing main beam 1 and the cross beam 2 are connected by bolts. So, contrast factory building crane, each part uses bolted connection in the pulling device of this application embodiment, but quick assembly disassembly, the engineering field operation of being convenient for.
In one specific implementation of the application, the upright 4 is mounted on a pile pit civil engineering ring wall by foundation bolts. So, make the relative position of the fixed shielding equipment of lifting device and heap top of this application embodiment more firm through fixed mounting stand 4, more be favorable to the fixed shielding equipment's of heap top accurate installation and lifting.
Fig. 2 is a flow chart of a method for using a lifting device for a top fixed shielding device of a sodium-cooled fast reactor according to an embodiment of the present application. As shown in fig. 2, the use method includes the following steps.
S10: and connecting a plurality of lifting rigs in the lifting device with an inner ring cylinder of the pile top fixed shielding equipment through bolts.
In some embodiments, before step S10, the components in the pulling device 100 may be connected, and it may be checked whether the components in the pulling device are firmly connected.
S20: the steel wire ropes in the lifting device are uniformly lifted by pressurizing a plurality of sets of hydraulic systems in the lifting device, and the lifting rigging and the inner ring cylinder of the pile top fixed shielding equipment in the lifting device are driven to move upwards.
Specifically, after the pile top fixed shielding shell assembly is installed in place, the lifting device provided by the embodiment of the application is installed, and the working principle is that the lifting device is used for driving the lifting rigging 6 and the inner ring barrel of the pile top fixed shielding equipment B to move upwards by pressurizing the hydraulic system 5 and lifting the steel wire rope.
It should be noted that, after the lifting device 100 of the embodiment of the present application is used to complete the installation of the top-of-stack fixed shielding device, the pressure of the hydraulic system 5 may be reduced, and if the flatness change of the device is detected in the process, the pressure will be continuously 0 if the flatness change is within the design range, and then the lifting device is removed.
Fig. 3 is a schematic flow chart of a method for using a lifting device for a top-fixed shielding device of a sodium-cooled fast reactor according to another embodiment of the present application. As shown in fig. 3, the usage method further includes S30 and S40.
S30: and detecting deviation between the inner ring cylinder of the pile top fixed shielding device and each plane of the device.
S40: if the deviation between the inner ring cylinder of the pile top fixed shielding equipment and each plane of the equipment exceeds the installation range, the deviation between the inner ring cylinder of the pile top fixed shielding equipment and each plane of the equipment is leveled within the installation range by adjusting the pressure of the hydraulic system.
For example, in the process of installing the filler in the top-of-pile fixed screen, the upward lifting force of the inner ring cylinder of the top-of-pile fixed shielding device can be continuously given by continuously adjusting the pressure of the hydraulic system 5, so that the top-of-pile fixed screen is kept in a horizontal state all the time, and the equipment is ensured not to deform in the process of installing.
The application method of the embodiment of the present application is that the application method corresponding to the lifting device for the sodium-cooled fast reactor top fixed shielding device in the above embodiment includes corresponding technical features in the lifting device, at least can achieve corresponding technical effects, and is not repeated here.
It should be noted that, the combination of the technical features in the embodiments of the present application is not limited to the combination described in the embodiments of the present application or the combination described in the specific embodiments, and all the technical features described in the present application may be freely combined or combined in any manner unless contradiction occurs between them.
The above embodiments are only preferred embodiments of the present application and are not intended to limit the present application, and any modifications, equivalents, etc. that fall within the spirit and principles of the present application are intended to be included in the scope of the present application.
Claims (6)
1. A lifting device for a sodium-cooled fast reactor roof fixed shielding apparatus, comprising:
two parallel bearing main beams;
the two cross beams are connected between the opposite side surfaces of the two bearing main beams and are perpendicular to the bearing main beams;
the two end beams are positioned on the bottom surfaces of the same side end parts of the two bearing girders, and the other end beam is positioned on the bottom surfaces of the other side end parts of the two bearing girders;
the four upright posts are positioned on one side of the end beams, which is away from the cross beams, and two ends of each end beam are respectively provided with an upright post which is configured to be installed on a pile pit civil engineering annular wall;
the hydraulic systems are uniformly arranged at the position surrounded by the two cross beams and the two bearing main beams; and
the lifting rigging is respectively connected with a plurality of sets of hydraulic systems through steel wire ropes and is configured to be connected with an inner ring barrel of the pile top fixed shielding equipment through bolts, wherein the hydraulic systems are configured to lift the steel wire ropes through pressurization and drive the lifting rigging and the inner ring barrel of the pile top fixed shielding equipment to move upwards.
2. The pulling apparatus of claim 1, wherein the pulling apparatus comprises,
the plurality of sets of hydraulic systems are four sets of hydraulic systems, wherein two sets of hydraulic systems are respectively arranged on two cross beams, and the other two sets of hydraulic systems are respectively arranged on the two bearing main beams and positioned between the two cross beams.
3. The pulling apparatus of claim 1, wherein the pulling apparatus comprises,
the end beams are respectively connected with the upright posts and the bearing main beams through bolts; and/or
The hydraulic system is arranged on the bearing main beam and the cross beam through bolts; and/or
The bearing main beam and the cross beam are connected through bolts.
4. The pulling apparatus of claim 1, wherein the pulling apparatus comprises,
the upright posts are mounted on the pile pit civil engineering annular wall through foundation bolts.
5. A method of using the lifting device for sodium-cooled fast reactor top fixed shielding installation of any one of claims 1 to 4, comprising:
connecting a plurality of lifting rigs in the lifting device with an inner ring cylinder of a pile top fixed shielding device through bolts;
and pressurizing a plurality of sets of hydraulic systems in the lifting device so as to uniformly lift the steel wire ropes in the lifting device and drive the sling and the inner ring cylinder of the pile top fixed shielding equipment in the lifting device to move upwards.
6. The method of use of claim 5, further comprising:
detecting deviation between an inner ring cylinder of the pile top fixed shielding equipment and each plane of the equipment;
if the deviation between the inner ring cylinder of the pile top fixed shielding equipment and each plane of the equipment exceeds the installation range, leveling the deviation between the inner ring cylinder of the pile top fixed shielding equipment and each plane of the equipment within the installation range by adjusting the pressure of a hydraulic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311616112.5A CN117657933A (en) | 2023-11-28 | 2023-11-28 | Lifting device for sodium-cooled fast reactor top fixed shielding equipment and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311616112.5A CN117657933A (en) | 2023-11-28 | 2023-11-28 | Lifting device for sodium-cooled fast reactor top fixed shielding equipment and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN117657933A true CN117657933A (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311616112.5A Pending CN117657933A (en) | 2023-11-28 | 2023-11-28 | Lifting device for sodium-cooled fast reactor top fixed shielding equipment and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117657933A (en) |
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2023
- 2023-11-28 CN CN202311616112.5A patent/CN117657933A/en active Pending
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