CN115512863A - Dock for loading and unloading nuclear power ship fuel - Google Patents
Dock for loading and unloading nuclear power ship fuel Download PDFInfo
- Publication number
- CN115512863A CN115512863A CN202211175393.0A CN202211175393A CN115512863A CN 115512863 A CN115512863 A CN 115512863A CN 202211175393 A CN202211175393 A CN 202211175393A CN 115512863 A CN115512863 A CN 115512863A
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- CN
- China
- Prior art keywords
- fuel
- dock
- loading
- unloading
- operation area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/60—Loading or unloading ships
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Ship Loading And Unloading (AREA)
Abstract
The invention belongs to the field of nuclear power ship design, and particularly relates to a fuel loading and unloading dock for a nuclear power ship. Comprises a dock body and a fuel plant; a docking block is arranged in the dock body; the fuel factory building is arranged on one side of the dock body and is divided into an upper part and a lower part by the operation platform, wherein the upper part is a hoisting operation area, and the lower part is a spent fuel operation area, a new fuel operation area and a spent fuel sending area. 1) Compared with the prior art, the loading and unloading efficiency of the nuclear power ship fuel is greatly improved. 2) Compared with the prior art, the lifting operation of hundreds of tons of loading and unloading material boxes is avoided, the operation safety is improved, and the energy consumption of the loading and unloading operation is reduced. 3) Avoid the handling operation, can not receive the weather influence, in bad weather, any loading and unloading material operation carries out. 4) The dock crane equipment is not occupied, and the ship can be subjected to other maintenance operations in the dock while loading and unloading.
Description
Technical Field
The invention belongs to the field of nuclear power ship design, and particularly relates to a fuel loading and unloading dock for a nuclear power ship.
Background
The existing method for loading and unloading nuclear power ships is mainly carried out in a dock, and because the unloading process can release reflective substances, the existing design idea usually adopts a loading and unloading material box, for example, patent ZL202122504187.7 discloses a middle shielding box body, and the loading and unloading are completed through the lifting operation. The reactor of the nuclear power ship usually needs to be replaced by hundreds of fuel assemblies once, a loading and unloading material box is adopted for loading and unloading materials, hoisting operation is usually carried out for dozens of times, the process is very long and tedious, and the hoisting operation risk is higher.
The loading and unloading operation of the onshore nuclear facility is usually carried out in adjacent communicated plants, so that the safety and the operation convenience are higher; if the onshore nuclear fuel loading and unloading method can be combined with the nuclear power ship, the fuel loading and unloading efficiency can be effectively improved, the operation cost is reduced, and the operation risk is good.
Disclosure of Invention
The invention aims to provide a dock for loading and unloading nuclear power ship fuel, which can serve the operation of loading and unloading the nuclear power ship fuel and can be used for a material loading and unloading method with operability and safety.
The technical scheme of the invention is as follows: a nuclear power ship fuel loading and unloading dock comprises a dock body and a fuel plant;
a docking block is arranged in the dock body and used for parking a ship needing to be maintained or needing to load and unload nuclear fuel;
the fuel plant is arranged on one side of the dock body and is divided into an upper part and a lower part by the operation platform, wherein the upper part is a hoisting operation area, and the lower part is a spent fuel operation area, a new fuel operation area and a spent fuel sending area;
a movable box body is arranged in the lifting operation area, a telescopic hanging bracket is fixed at the top of the movable box body, a first truss car track is welded at the bottom of the hanging bracket, and a fixed hanging bracket is fixed at the top of the movable box body; a second truss car track is welded at the bottom of the hanging bracket;
a spent fuel pool, a damaged fuel assembly storage small chamber, a spent fuel inspection device and a fuel transfer cabin are arranged in the spent fuel operation area;
the new fuel operation area is provided with a new fuel storage grillwork, a new fuel inspection room and a new fuel receiving room;
the spent fuel sending area is provided with a container loading well, a container preparation well and a fuel receiving and sending room; the container loading well is connected with the spent fuel operation area through a transfer pipe.
The movable box body is of a semi-closed cuboid structure.
The movable box body is a semi-closed cuboid structure formed by welding five walls made of shielding radiation metal materials.
The bottom of the movable box body is provided with an opening.
And a cover plate is arranged on the open hole.
And a plurality of spent fuel storage grillwork are arranged at the bottom of the spent fuel pool.
And a man-bridge crane is erected on the first truss track.
And an auxiliary crane is erected on the second truss track.
The invention has the beneficial effects that: 1) Compared with the prior art, the loading and unloading efficiency of the nuclear power ship fuel is greatly improved.
2) Compared with the prior art, the lifting operation of hundreds of tons of loading and unloading material boxes is avoided, the operation safety is improved, and the energy consumption of the loading and unloading operation is reduced.
3) Avoid the handling operation, can not receive the weather influence, in bad weather, any loading and unloading material operation carries out.
4) The dock crane equipment is not occupied, and the ship can be subjected to other maintenance operations in the dock while loading and unloading.
Drawings
FIG. 1 is a sectional view of a dock for loading and unloading nuclear powered marine fuel provided by the present invention;
FIG. 2 is a plan view of a fuel plant;
figure 3 is a diagram of a docking of a vessel;
FIG. 4 is a view showing the loading and unloading operation.
In the figure: 01 dock body, 02 fuel factory building, 03 operation platform, 04 handling operation area, 05 spent fuel operation area, 06 new fuel operation area, 07 spent fuel sending area group, 08 movable box, 09 telescopic hanger, A10 first truss track, 11 fixed hanger, B12 second truss track, 13 cover plate, 14 bridge crane, 15 auxiliary crane, 16 spent fuel pool, 17 damaged fuel assembly storage cell, 18 spent fuel inspection device, 19 fuel transfer cabin, 20 spent fuel storage grid, 21 new fuel storage grid, 22 new fuel inspection room, 23 new fuel receiving room, 24 container loading well, 25 container preparation well, 26 fuel receiving and dispatching room, 27 transmission pipe. 28 dry docking blocks, 29 ship reactor cabin top decks, 30 through holes, 31 refueling channels, 32 reactor cabins and 33 reactor pressure vessels.
Detailed Description
The invention is further described in detail below with reference to the drawings and specific embodiments.
As shown in fig. 1, a nuclear powered ship fuel loading and unloading dock comprises a dock body 01 and a fuel plant 02;
the dock body 01 is provided with a docking block and is used for stopping launching a ship needing maintenance or needing to load and unload nuclear fuel;
the fuel plant 02 is arranged on one side of the dock body 01 and is divided into an upper part and a lower part by the operation platform 03, wherein the upper part is a hoisting operation area 04, and the lower part is composed of a spent fuel operation area 05, a new fuel operation area 06 and a spent fuel sending area 07;
a movable box 08 is arranged in the lifting operation area 04, a telescopic hanging bracket 09 is fixed at the top, a first truss car track A10 is welded at the bottom of the hanging bracket,
the movable box body 08 is a semi-closed cuboid structure formed by welding five metal enclosure walls which can shield radiation and have enough thickness, and is not connected with the fuel plant 02 but keeps airtight; a fixed hanging bracket 11 is fixed at the top of the movable box body 08; a second truss car track B12 is welded at the bottom of the hanging bracket; the bottom of the movable box 08 is provided with an opening, and the opening is provided with a cover plate 13.
A bridge crane 14 is erected on the first truss track A10;
an auxiliary crane 15 is erected on the second truss track B12;
a spent fuel pool 16, a damaged fuel assembly storage small chamber 17, a spent fuel inspection device 18 and a fuel transfer cabin 19 are arranged in the spent fuel operation area 05;
a plurality of spent fuel storage grilles 20 are arranged at the bottom of the spent fuel pool 16;
the new fuel operation area 06 is provided with a new fuel storage framework 21, a new fuel check room 22 and a new fuel receiving room 23;
the spent fuel sending area 07 is provided with a container loading well 24, a container preparation well 25 and a fuel receiving and dispatching room 26; the container loading well 24 is connected to the spent fuel operating area 05 by transfer pipe 27.
The invention comprises the following operation steps:
s1: a plurality of docking blocks 28 are distributed at the bottom of the dock body 01;
s2: after the target ship drives into the dock body 01, draining water in the dock, and enabling the ship to be flatly placed on a docking block 28, so that a top deck 29 of a ship reactor cabin and an operation platform 03 are basically kept horizontal;
s3: cutting the outer plate of the ship or opening a hatch door (if any) to form a through hole 30 for the movable box 08 to go in and out;
s4: moving the movable box 08 onto the reactor bay top deck 29 and allowing the cover 13 to cover the refueling passage 31;
s5: opening the cover plate 13 to communicate the reactor compartment 32 with the fuel plant 02;
s6: extending the telescopic hanger 09 to butt the first truss car guide rail a10 and the second truss car guide rail B12;
s7: using an auxiliary crane and a man-bridge crane to hoist the spent fuel to a spent fuel pool 16, checking the spent fuel in a spent fuel checking device 18, storing the damaged fuel in a damaged fuel storage chamber 17, and storing intact fuel components in a spent fuel storage framework 20;
s8: after the unloading is finished, the new fuel is lifted from the new fuel storage framework 21 to the reactor pressure vessel 33 to finish the loading;
s9: after the loading and unloading are finished, the cover plate 13 is covered, the telescopic hanging frame 09 retracts, and the movable box body 08 is retracted to the lifting operation area.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (8)
1. A nuclear powered marine fuel handling dock characterized by: comprises a dock body and a fuel plant;
a docking block is arranged in the dock body and used for parking a ship needing to be maintained or needing to load and unload nuclear fuel;
the fuel plant is arranged on one side of the dock body and is divided into an upper part and a lower part by the operation platform, wherein the upper part is a hoisting operation area, and the lower part is a spent fuel operation area, a new fuel operation area and a spent fuel sending area;
a movable box body is arranged in the lifting operation area, a telescopic hanging bracket is fixed at the top of the movable box body, a first truss car track is welded at the bottom of the hanging bracket, and a fixed hanging bracket is fixed at the top of the movable box body; a second truss car track is welded at the bottom of the hanging bracket;
a spent fuel pool, a damaged fuel assembly storage small chamber, a spent fuel inspection device and a fuel transfer cabin are arranged in the spent fuel operation area;
the new fuel operation area is provided with a new fuel storage grillwork, a new fuel inspection room and a new fuel receiving room;
the spent fuel sending area is provided with a container loading well, a container preparation well and a fuel receiving and sending room; the container loading well is connected with the spent fuel operation area through a transfer pipe.
2. A nuclear powered marine fuel handling dock as claimed in claim 1 wherein: the movable box body is of a semi-closed cuboid structure.
3. A nuclear powered marine fuel handling dock as claimed in claim 2, wherein: but movable box is the semi-closed cuboid structure that five shielding radiation metal material leg welds formed.
4. A nuclear powered marine fuel handling dock as claimed in claim 1 wherein: the bottom of the movable box body is provided with an opening.
5. A nuclear powered marine fuel handling dock as claimed in claim 4 wherein: and a cover plate is arranged on the opening.
6. A nuclear powered marine fuel handling dock as claimed in claim 1, wherein: and a plurality of spent fuel storage grillwork are arranged at the bottom of the spent fuel pool.
7. A nuclear powered marine fuel handling dock as claimed in claim 1 wherein: and a man-bridge crane is erected on the first truss track.
8. A nuclear powered marine fuel handling dock as claimed in claim 1 wherein: and an auxiliary crane is erected on the second truss track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211175393.0A CN115512863A (en) | 2022-09-26 | 2022-09-26 | Dock for loading and unloading nuclear power ship fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211175393.0A CN115512863A (en) | 2022-09-26 | 2022-09-26 | Dock for loading and unloading nuclear power ship fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115512863A true CN115512863A (en) | 2022-12-23 |
Family
ID=84506436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211175393.0A Pending CN115512863A (en) | 2022-09-26 | 2022-09-26 | Dock for loading and unloading nuclear power ship fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115512863A (en) |
-
2022
- 2022-09-26 CN CN202211175393.0A patent/CN115512863A/en active Pending
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