CN218368171U - Nuclear fuel loading and unloading ship - Google Patents
Nuclear fuel loading and unloading ship Download PDFInfo
- Publication number
- CN218368171U CN218368171U CN202222197496.9U CN202222197496U CN218368171U CN 218368171 U CN218368171 U CN 218368171U CN 202222197496 U CN202222197496 U CN 202222197496U CN 218368171 U CN218368171 U CN 218368171U
- Authority
- CN
- China
- Prior art keywords
- cabin
- spent fuel
- fuel
- ship
- spent
- 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.)
- Active
Links
Images
Landscapes
- Ship Loading And Unloading (AREA)
Abstract
The utility model belongs to the technical field of nuclear power ship design, concretely relates to can serve nuclear fuel loading and unloading ship of most nuclear power ships. The ship comprises a plurality of ballast tanks and empty tanks, wherein the ballast tanks are mainly arranged at the two sides and the bottom of the ship, and the empty tanks are mainly arranged in the middle of the ship and in the bow of the ship; the deck room, the engine room and the rudder engine room are arranged at the stern; the spent fuel cabin, the new fuel cabin and the spent fuel sending cabin are arranged in the middle area of the ship; the spent fuel cabin comprises a spent fuel pool, shielding water is filled in the spent fuel pool, and a lifting grid and a plurality of spent fuel storage grids are fixed at the bottom of the spent fuel pool; the top deck of the spent fuel cabin is provided with a spent fuel cabin lifting opening which is positioned right above the lifting grillage, and the spent fuel cabin lifting opening is opened or closed through a top cover of the spent fuel cabin. The utility model discloses but the wide application is in the loading and unloading of various types of nuclear power boats and ships to for all based on boats and ships loading and unloading relevant designs provide new method and foundation.
Description
Technical Field
The utility model belongs to the technical field of nuclear power ship design, concretely relates to can serve nuclear fuel loading and unloading ship of most nuclear power ships.
Background
Compared with conventional power ships, nuclear power ships have the following obvious advantages: 1. the nuclear energy is used as clean energy, so that the problem of waste gas emission caused by petroleum product fuel can be effectively solved; 2. the nuclear power ship has strong self-sustaining capability, can be operated for years by filling fuel once, greatly avoids the situation of filling fuel at a port, shortens the non-operation time and improves the operation efficiency.
However, once the nuclear fuel needs to be replaced, the replacement operation must be designed accurately and safely in order to ensure that the leakage of the nuclear waste gas and the like does not occur due to the radiation hazard and the possible adverse social effects caused by the nuclear pollution.
Meanwhile, the shipboard nuclear facilities cannot have sufficient site conditions for setting special spent fuel storage, loading and unloading sites like the onshore nuclear facilities; furthermore, compared to onshore nuclear facilities, especially nuclear power plants, the consumption of nuclear fuel by ships is very slow, usually years or even decades before replacement is required, and it is not very economical if a replacement bunker is provided on a single ship. Meanwhile, loading and unloading are carried out by using a berth shore base or a dock, the operation of the nuclear power ship or the platform needs to be stopped in a return voyage mode, the refueling period is long, one or more matched fuel loading and unloading bases need to be built, the construction cost of the onshore base is high, the period is long, and the onshore base cannot meet corresponding requirements after the number of the nuclear power ships or the platforms needing to be recharged is increased. Therefore, it is a more operational solution to design a mobile seawater loading and unloading ship that can provide loading and unloading services for other nuclear powered ships.
Disclosure of Invention
An object of the utility model is to provide a can serve nuclear fuel loading and unloading ship of nuclear power ship nuclear fuel loading and unloading ship, relevant cabin and the equipment arrangement of reasonable reloading to and possess the loading and unloading method of maneuverability and security. The utility model discloses but the wide application is in the loading and unloading material of various types of nuclear power boats and ships to for all based on the relevant design of boats and ships loading and unloading material provide new method and foundation.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a nuclear fuel loading and unloading ship comprises a plurality of ballast tanks and empty tanks, wherein the ballast tanks are mainly arranged at the two sides and the bottom of the ship, and the empty tanks are mainly arranged in the middle of the ship and on the bow of the ship; the deck room, the engine room and the rudder engine room are arranged at the stern; the spent fuel cabin, the new fuel cabin and the spent fuel sending cabin are arranged in the middle area of the ship;
the spent fuel cabin comprises a spent fuel pool, wherein shielding water is filled in the spent fuel pool, and a hoisting grillwork and a plurality of spent fuel storage grillworks are fixed at the bottom of the spent fuel pool; a spent fuel cabin lifting opening arranged on a deck at the top of the spent fuel cabin is positioned right above the lifting grillage, and the spent fuel cabin lifting opening is opened or closed through a top cover of the spent fuel cabin; a man-bridge crane is welded at the upper part of the spent fuel cabin, the operation gallery is a platform positioned in the middle of the spent fuel cabin, the platform is higher than the water level of a spent fuel pool, one side of the operation gallery is fixedly welded with the four walls of the spent fuel cabin, and a water retaining coaming plate is arranged at one side of the operation gallery facing the pool;
the bottom plane of the new fuel cabin is provided with a new fuel storage room, a new fuel inspection room, a new fuel receiving room and a new fuel lifting grid; the new fuel cabin is provided with a new fuel container lifting opening which is arranged right above the new fuel receiving room and is opened or closed through a container lifting opening top cover;
the spent fuel sending cabin comprises a transmission pipe, a valve, a container loading well, a container preparation well, a container receiving and dispatching room, a spent fuel sending lifting opening cabin cover, a sending cabin auxiliary crane and a new spent fuel middle partition wall; the transmission pipe and the valve are arranged on a wall plate between the spent fuel cabin and the spent fuel sending cabin, a spent fuel sending hanging opening is formed in the top of the spent fuel sending cabin and right above the container receiving and dispatching room, and the spent fuel sending hanging opening is opened or closed through a spent fuel sending hanging opening cabin cover; the upper part of the spent fuel sending cabin is provided with a sending cabin auxiliary crane, the new fuel cabin and the spent fuel sending cabin are separated by a new spent material middle partition wall, and the whole formed by the new fuel cabin and the spent fuel sending cabin is longitudinally arranged along the ship length;
the large-scale rotary crane is arranged in the bow area, the material crane is arranged on the top of a new fuel cabin or a spent fuel sending cabin, the anchor flukes are arranged at the bow part and the tail part of the ship, the anchor winch is used for retracting the anchor flukes, and a loading and unloading material box is fixed on a deck.
And 8 pairs of anchor flukes are arranged at four corners of the ship and are provided with 8 corresponding anchor windlasses.
The shielding water submerging does not hoist the grillage and the spent fuel storage grillage.
The spent fuel cabin roof is higher than the plane of the main deck, and the operation gallery and the main deck are kept at the same height.
The height of the water retaining coaming is more than 0.8 m.
The radiation shielding layer is arranged on the peripheries of the spent fuel cabin, the new fuel cabin and the spent fuel sending cabin.
The utility model discloses the beneficial effect who gains does:
1) Compared with the land-based loading and unloading means, the loading and unloading operation has less restriction on places.
2) Based on the characteristics of low refueling frequency of the nuclear energy ship, excessive storage facilities are not needed for loading and unloading materials, and the construction cost of the nuclear fuel loading and unloading ship is far less than that of a land-based loading and unloading facility.
3) The nuclear fuel loading and unloading ship sails on the sea, and the cooling cost of a spent fuel pool and the like is low; particularly, the loading and unloading places can be changed freely according to the change of seasons (for example, the vehicle can run to a low-temperature water area for operation).
4) Besides the material loading and unloading function, the large-scale rotary crane also has larger hoisting operation capacity, and can perform other hoisting operation to improve the economy when no material changing operation is performed.
Drawings
Fig. 1 is a side view (spent fuel sending cabin side) of a nuclear fuel handling ship;
FIG. 2 is a side view of a nuclear fuel handling vessel I (new fuel tank side);
FIG. 3 is a main deck equipment layout;
FIG. 4 is a plan subdivision layout of the main deck;
FIG. 5 is a plan view of the refueling compartment;
FIG. 6 is a plan view of the refueling compartment top;
FIG. 7 is a schematic view of a discharge process;
FIG. 8 is a schematic view of the charging process;
fig. 9 is a schematic diagram of spent material transfer.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The nuclear fuel loading and unloading ship comprises a spent fuel tank 01, a new fuel tank 02, a spent fuel sending tank 03, a multi-layer deck room 04, a cabin 05, a rudder cabin 06, a plurality of ballast tanks 07, a pipe drawer 08 and a plurality of empty tanks 09.
The spent fuel compartment 01 is a compartment positioned in the middle of a ship and mainly comprises a spent fuel water pool 10; the spent fuel pool 10 is filled with shielding water 11 for shielding fuel radiation; a hoisting framework 14 and a plurality of spent fuel storage frameworks 15 are fixed at the bottom of the spent fuel pool; a deck at the top of the spent fuel compartment 01 is provided with a spent fuel compartment lifting opening 12 which is positioned right above the lifting grillage 14 and is opened or closed through a spent fuel compartment top cover 13; a man-bridge crane 16 is welded on the upper portion of the spent fuel cabin 01, an operation gallery 17 is a platform located in the middle of the spent fuel cabin 01 and is higher than the water level of the spent fuel water pool 10, one side of the gallery is fixedly welded with the four walls of the spent fuel cabin, and a water retaining coaming 18 is arranged on one side facing the water pool.
The bottom plane of the new fuel cabin 02 is provided with a new fuel storage room 20, a new fuel inspection room 21, a new fuel receiving room 22 and a new fuel lifting grid 28; the new fuel cabin 02 is provided with a new fuel cabin auxiliary crane 23 at the upper part for the lifting operation in the cabin, the top of the new fuel cabin is provided with a new fuel loading lifting opening 24 which is positioned right above a new fuel lifting grid 28 and is opened or closed through a loading lifting opening top cover 25, the top of the new fuel cabin is provided with a new fuel container lifting opening 26 which is positioned right above a new fuel receiving room 22, and the new fuel container lifting opening 26 is opened or closed through a container lifting opening top cover 27.
The spent fuel sending cabin 03 comprises a transfer pipe and a valve 30, a container loading well 31, a container preparation well 32, a container receiving and dispatching room 33, a spent fuel sending hanging opening 34, a spent fuel sending hanging opening cabin cover 35, a sending cabin auxiliary crane 36 and a new spent fuel middle partition wall 37. The transfer pipe and the valve 30 are installed on the wall between the spent fuel compartment 01 and the spent fuel sending compartment 03. A spent fuel sending hanging opening 34 is formed in the top of the spent fuel sending cabin 03 and right above the container receiving and dispatching room 33, and is opened or closed through a spent fuel sending hanging opening cabin cover 35; the upper part of the spent fuel sending cabin 03 is provided with a sending cabin auxiliary crane 36 for hoisting operation in the cabin. The new fuel cabin 02 and the spent fuel sending cabin 03 are separated by a new spent material middle partition wall 37, and the whole formed by the new spent material middle partition wall and the spent fuel sending cabin 03 and the spent fuel sending cabin 01 are longitudinally arranged along the length of the ship.
The nuclear fuel loading and unloading ship still is equipped with transportation and other equipment and includes: the large-scale rotary crane 41 is arranged on a ship deck, the material crane 42 is arranged on the top of the new fuel cabin 02 or the spent fuel sending cabin 03, the flukes 44 are arranged on the bow part and the tail part of the ship and used for stabilizing the ship body in the loading and unloading operation, the anchor windlass 45 is used for retracting the flukes 44, and the radiation shielding layer 46 is arranged on the peripheries of the spent fuel cabin 01, the new fuel cabin 02 and the spent fuel sending cabin 03 to prevent radiation leakage.
The nuclear fuel handling scheme of the present invention also relates to onshore facilities, including a fuel container transfer vehicle 43, a handling bin 47, and a dock 48.
Cabin arrangement:
the ship mainly comprises a large number of ballast tanks 07 and an empty tank 09, wherein the ballast tanks are mainly arranged at the two sides and the bottom of the ship and are used for adjusting the posture of the ship; the center and the bow of the ship mainly adopt an empty cabin 09 to increase the buoyancy of the ship; the deck room 04, the engine room 05 and the rudder engine room 06 are arranged at the stern; due to the design requirements of radiation protection, leakage prevention and the like (usually, a radiation shielding layer 46 is arranged), the dead weight of the spent fuel cabin 01, the new fuel cabin 02 and the spent fuel sending cabin 03 is larger, so that the spent fuel sending cabin is arranged in the middle area of the ship, and the structure safety and the ship stability are facilitated. (as shown in FIG. 4)
Equipment arrangement:
the large-scale rotary crane 41 is arranged in the bow area (above the empty compartment) so as to obtain larger hoisting capacity; the vessel is provided with 8 pairs of flukes 44 at four corners for better stability when the vessel is berthed, and is equipped with 8 corresponding anchor windlasses 45. (as shown in FIG. 3)
On the deck is fixed a loading and unloading box 47 (as shown in figure 1)
A spent fuel pool 10 is arranged in the spent fuel cabin 01, and a certain amount of shielding water 11 is filled in the pool, so that the grid 14 and the spent fuel storage grid 15 can be submerged and lifted, and a sufficient water layer thickness is reserved for shielding radiation; the cabin top of the spent fuel cabin 01 is higher than the plane of the main deck, and the operation gallery 17 can keep the same height with the main deck; a water retaining coaming 18 with the height of more than 0.8 meter is arranged on one side edge of the operation gallery 17 facing the pool and is used for blocking the shaking, splashing and overflowing of the shielding water 11; the upper part of the spent fuel cabin is provided with a man-bridge crane 16 for switching fuel storage positions and other operations in the cabin.
The operation steps are as follows:
the first part completes the loading and unloading of the target ship
S1, sailing the ship close to a target ship or a platform, ensuring that the positions of the two parties are proper and fixing;
s2, releasing the flukes 44 for anchoring by using an anchor winch 45, and ensuring the stability of the ship;
s3, using a large-sized rotary crane 41 to hoist the loading and unloading material box 47 (refer to the patent number ZL2021 2 2504187.7) to a specified position of a target ship for unloading (refer to the operation method application number 202111210052.8)
And S4, hoisting the loading and unloading box 47 after the unloading operation to the target position of the top of the spent fuel compartment 01 of the ship, ensuring that the bottom opening of the loading and unloading box 47 is aligned with the hoisting opening 12 of the spent fuel compartment, opening the top cover 13 of the spent fuel compartment, hoisting the spent fuel into the spent fuel compartment 01 through a crane in the loading and unloading box 47, and falling into the hoisting grillage 14.
S5, after all the spent fuel is lifted, the lifting opening 12 of the spent fuel cabin is closed, the loading and unloading box 47 is lifted to the target position of the top of the new fuel cabin 02 of the ship, and the bottom opening of the loading and unloading box 47 is ensured to be aligned with the lifting opening 24 of the new fuel loading.
S6, the new fuel in the new fuel storage room 20 is transported to the new fuel inspection room 21 through the new fuel cabin auxiliary crane 23, and after inspection, the new fuel is hoisted to the new fuel hoisting grillage 28.
S7, opening the top cover 25 of the new fuel loading hanging opening, and hanging the new fuel in the new fuel hanging grid into the loading and unloading box 47 through a crane in the loading and unloading box 47.
S8, when all the required new fuel is hung in the loading and unloading tank 47, closing the top cover 25 of the new fuel loading hanging opening.
S9 hoisting the loading and unloading box 47 to the designated position of the target ship for loading (the operation method refers to application No. 202111210052.8)
S10, hoisting the spent fuel in the hoisting grillwork 14 in the spent fuel compartment 01 to a spent fuel storage grillwork 15 through a man-bridge crane 16;
s11, the next furnace fuel is loaded and unloaded (repeat S1-S8)
The second part completes the post-treatment of the spent fuel
When the spent fuel is stored to a certain amount and needs to be transported to land for landfill;
s1 uses the anchor windlass 45 to recover the fluke 44, and drives the ship to the designated dock 48, and the like.
S2 may release the fluke 44 again to stabilise the vessel.
S3, transporting the spent fuel in the spent fuel storage grillwork 15 to a container loading well 31 in a spent fuel sending cabin 03 through a transmission pipe and a valve 30 to fill a specific container through operations such as lifting, tipping and the like, then transporting the spent fuel to a container preparation well 32 to prepare for sending, and finally transporting the spent fuel to a container receiving and dispatching room 33;
s4 opens the spent fuel sending hatchway hatch 35 at the top spent fuel sending hatchway 34.
S5, the specific container is hoisted to the container transport vehicle 43 through the material hoist 42 and transported to the designated wharf 48, and the transport is completed.
Third part of the fuel storage
S1, transporting new fuel to a main deck through a container transfer trolley,
s2, opening the container hanging opening top cover 27 at the new material container hanging opening 26,
s3, hoisting the specific container from the container transfer trolley 43 to the new fuel receiving room 22 through the material crane 42;
and S4, the fuel is lifted to the new fuel storage room 20 for storage through the new fuel cabin auxiliary crane 23.
S5, the container hanging opening top cover 27 is closed.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the scope of the invention, but rather the equivalent variations and modifications in the shape, structure, characteristics and spirit of the present invention as set forth in the appended claims are intended to be included within the scope of the invention.
Claims (6)
1. A nuclear fuel loading and unloading vessel characterized by: the ship comprises a plurality of ballast tanks and empty tanks, wherein the ballast tanks are mainly arranged at the two sides and the bottom of the ship, and the empty tanks are mainly arranged in the middle of the ship and on the bow of the ship; the deck room, the engine room and the rudder engine room are arranged at the stern; the spent fuel cabin, the new fuel cabin and the spent fuel sending cabin are arranged in the middle area of the ship;
the spent fuel cabin comprises a spent fuel pool, wherein shielding water is filled in the spent fuel pool, and a hoisting grillwork and a plurality of spent fuel storage grillworks are fixed at the bottom of the spent fuel pool; a spent fuel compartment lifting opening arranged on a deck at the top of the spent fuel compartment is positioned right above the lifting grillwork, and the spent fuel compartment lifting opening is opened or closed through a top cover of the spent fuel compartment; a man-bridge crane is welded on the upper part of the spent fuel cabin, the operation gallery is a platform positioned in the middle of the spent fuel cabin, the platform is higher than the water level of a spent fuel pool, one side of the operation gallery is fixedly welded with the four walls of the spent fuel cabin, and one side of the operation gallery facing the pool is provided with a water retaining coaming;
the bottom plane of the new fuel cabin is provided with a new fuel storage room, a new fuel inspection room, a new fuel receiving room and a new fuel lifting grid; the new fuel cabin is provided with a new fuel container lifting opening which is arranged right above the new fuel receiving room and is opened or closed through a container lifting opening top cover;
the spent fuel sending cabin comprises a transmission pipe, a valve, a container loading well, a container preparation well, a container receiving and dispatching room, a spent fuel sending hanging opening cabin cover, a sending cabin auxiliary crane and a new spent material middle partition wall; the spent fuel sending lifting opening is opened or closed through a spent fuel sending lifting opening cabin cover; the upper part of the spent fuel sending cabin is provided with a sending cabin auxiliary crane, the new fuel cabin and the spent fuel sending cabin are separated by a new spent material middle partition wall, and the whole formed by the new fuel cabin and the spent fuel sending cabin is longitudinally arranged along the ship length;
the large-scale rotary crane is arranged in the bow area, the material crane is arranged on the top of a new fuel cabin or a spent fuel sending cabin, the anchor flukes are arranged at the bow part and the tail part of the ship, the anchor winch is used for retracting the anchor flukes, and a loading and unloading material box is fixed on a deck.
2. The nuclear fuel loading and unloading ship according to claim 1, wherein: and 8 pairs of anchor flukes are arranged at four corners of the ship and are provided with 8 corresponding anchor windlasses.
3. The nuclear fuel loading and unloading vessel of claim 1, wherein: the shielding water submerging does not hoist the grillage and the spent fuel storage grillage.
4. The nuclear fuel loading and unloading vessel of claim 1, wherein: the spent fuel cabin roof is higher than the plane of the main deck, and the operation gallery and the main deck are kept at the same height.
5. The nuclear fuel loading and unloading vessel of claim 1, wherein: the height of the water retaining coaming is more than 0.8 m.
6. The nuclear fuel loading and unloading ship according to claim 1, wherein: the radiation shielding layer is arranged on the peripheries of the spent fuel cabin, the new fuel cabin and the spent fuel sending cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222197496.9U CN218368171U (en) | 2022-08-19 | 2022-08-19 | Nuclear fuel loading and unloading ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222197496.9U CN218368171U (en) | 2022-08-19 | 2022-08-19 | Nuclear fuel loading and unloading ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218368171U true CN218368171U (en) | 2023-01-24 |
Family
ID=84967808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222197496.9U Active CN218368171U (en) | 2022-08-19 | 2022-08-19 | Nuclear fuel loading and unloading ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218368171U (en) |
-
2022
- 2022-08-19 CN CN202222197496.9U patent/CN218368171U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4043285A (en) | Container ship | |
| US3823681A (en) | Barge carrying transport vessel | |
| US8858149B2 (en) | Remote docking port | |
| CN203345167U (en) | Movable jack-up artificial island | |
| KR20020025090A (en) | Self-contained container ship | |
| CN206141785U (en) | Platform of transferring | |
| CN113148092B (en) | Overall arrangement structure of reactor cabin of water surface nuclear power ship | |
| US3318276A (en) | Ocean-going barge carrier | |
| CN104386209A (en) | Sand cabin type self-loading sand carrier | |
| US3587505A (en) | Partially submersible carrier vessel | |
| KR102627020B1 (en) | How to control trim on a transport vessel without seawater ballast | |
| CN103195039A (en) | Artificial island construction method for self-elevating straight-through deck platform | |
| CN213262851U (en) | Simple offshore LNG production, tank cabinet loading and unloading and ship berthing platform | |
| CN204432944U (en) | A kind of sand cabin type self lighting type sand carrier | |
| CN218368171U (en) | Nuclear fuel loading and unloading ship | |
| CN216546598U (en) | Loading and unloading system for nuclear power ship reactor | |
| CN117022579A (en) | Through type ship structure | |
| EP0075571B1 (en) | A barge carrying ship and method of loading same | |
| US3408972A (en) | Container ship with main cargo above main deck | |
| CN117622377A (en) | Nuclear fuel loading and unloading ship | |
| RU2649561C2 (en) | Universal arctic vessel of class inf-2 | |
| US4292915A (en) | Ocean-going barge carrier | |
| CN107776827A (en) | A kind of load-carring transport | |
| CN107600317A (en) | A kind of kiloton all electric propulsion bulk freighter | |
| CN103640678A (en) | Unsinkable ship |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |