CN116923679A - Seawater valve box of ice area navigation nuclear power ship - Google Patents
Seawater valve box of ice area navigation nuclear power ship Download PDFInfo
- Publication number
- CN116923679A CN116923679A CN202210347827.4A CN202210347827A CN116923679A CN 116923679 A CN116923679 A CN 116923679A CN 202210347827 A CN202210347827 A CN 202210347827A CN 116923679 A CN116923679 A CN 116923679A
- Authority
- CN
- China
- Prior art keywords
- tank
- ice
- water
- floating
- outer plate
- 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.)
- Pending
Links
- 239000013535 sea water Substances 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 230000007704 transition Effects 0.000 claims abstract description 24
- 238000007664 blowing Methods 0.000 claims abstract description 15
- 239000000498 cooling water Substances 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims abstract description 6
- 238000005260 corrosion Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000013505 freshwater Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 2
- 239000008188 pellet Substances 0.000 claims 2
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/383—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling cooling-water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/18—Use of propulsion power plant or units on vessels the vessels being powered by nuclear energy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention relates to the field of nuclear power ships, in particular to a seawater valve box of an ice area navigation nuclear power ship. The seawater valve box comprises: the water inlet tank, the middle layer and the floating ice tank are sequentially arranged from the bottom of the ship to the deck, the middle layer comprises a transition water tank and a clean water tank which are arranged side by side, the transition water tank is close to the outer plate, the clean water tank is far away from the outer plate, and one end of the transition water tank is connected with the cooling water inlet pipe; the bottom of the water inlet tank is an outer plate water inlet, the top of the water inlet tank is communicated with the bottom of the transition water tank, and the ice-floating tank is provided with an ice-separating plate upwards from the bottom to separate an inlet from an outlet of the ice-floating tank; the inlet of the floating refrigerator is communicated with the top of the transition water tank, and the outlet of the floating refrigerator is communicated with the top of the water purifying tank; an isolation empty cabin is arranged between the refrigerator and the outer plate; a steam blowing pipe aligned with the water inlet of the outer plate is arranged in the water inlet tank. The invention ensures that the ship has sufficient cooling seawater supply, can effectively prevent broken ice and foreign matters from blocking the suction port, and prevents the broken ice and the foreign matters from entering the cooling loop.
Description
Technical Field
The invention relates to the field of nuclear power ships, in particular to a seawater valve box of an ice area navigation nuclear power ship.
Background
Compared with the conventional water area navigation ship, the ship needs to have certain antifreezing and anti-icing capabilities when sailing in an ice area, and has a lot of special requirements on the design of a ship body structure, a power system, a piping system and other matched equipment.
Meanwhile, when the nuclear power ship secondary loop cooling system adopts seawater to suck seawater for cooling, broken ice and foreign matters in the water can cause adverse effects on pipelines; if the cooling water suction inlet is blocked by broken ice and foreign matters, the reactor is suddenly shut down, and normal operation of the ship is affected.
Therefore, the design of the seawater valve box structure which can simultaneously avoid crushed ice and foreign matters from entering the pipeline and blocking is particularly necessary.
Disclosure of Invention
The invention aims to solve the technical problems that: the sea water valve box of the ice region sailing nuclear power ship is provided, the sufficient cooling sea water supply of the ship is ensured when the ship sails in a dense sea ice or sea living things water area, broken ice and foreign matters can be effectively prevented from blocking a suction port, and the broken ice and the foreign matters are prevented from entering a cooling loop.
The invention provides a seawater valve box of a nuclear power ship for ice navigation, which comprises: the water inlet tank, the middle layer and the floating ice tank are sequentially arranged from the bottom of the ship to the direction of the deck, the middle layer comprises a transition water tank and a water purifying tank which are arranged side by side, the transition water tank is close to the outer plate, the water purifying tank is far away from the outer plate, and one end of the water purifying tank is connected with the cooling water introducing pipe;
the bottom of the water inlet tank is an outer plate water inlet, the top of the water inlet tank is communicated with the bottom of the transition water tank,
the ice separating plate is arranged at the bottom of the ice floating box upwards and separates the inlet from the outlet of the ice floating box;
the inlet of the floating refrigerator is communicated with the top of the transition water tank, and the outlet of the floating refrigerator is communicated with the top of the water purifying tank;
an isolation air cabin is arranged between the floating ice box and the outer plate;
a steam blowing pipe aligned with the water inlet of the outer plate is arranged in the water inlet tank.
Preferably, the outer plate water inlet adopts a mode that the outer plate of the ship body is directly provided with grid holes.
Preferably, a plurality of steam blowing holes are formed in the lower end of the steam blowing pipe and correspond to the water inlets of the outer plates one by one.
Preferably, the top surface of the refrigerator is provided with a manhole cover and an air vent hole.
Preferably, the bottom of the floating ice tank is provided with two outlets, the first outlet is communicated with the top of the water purifying tank through a detachable grid cover, and the second outlet is communicated with the top of the water purifying tank through a grid manhole cover.
Preferably, the floating refrigerator and the water purifying tank are also provided with a ladder way; the stair path is adjacent to the grille manhole cover.
Preferably, the surfaces of the water inlet tank, the refrigerator, the transition tank and the clean water tank are all provided with anti-corrosion core blocks.
Preferably, 1 to 4 anti-corrosion core blocks are respectively arranged on each box body.
Preferably, one side of the floating ice box far away from the outer plate is also connected with a steam ice melting pipe and/or a cooling water reinjection pipe.
Preferably, the height of the ice separating plate is not less than one third of the height of the floating ice box.
Compared with the prior art, the ice region navigation nuclear power ship seawater valve box has the following beneficial effects:
1) Compared with a conventional seawater valve box, the steam blowing device can effectively avoid the situation that cooling water cannot enter due to the blockage of the water inlet;
2) Compared with the conventional seawater valve box, the seawater valve box has the advantages that the multi-box body and multi-channel blocking design of the seawater valve box can effectively prevent sea ice, marine organisms or other foreign matters from entering the ship body cooling loop;
3) Compared with the conventional seawater valve box, the invention is provided with the step and the grid manhole cover, so that an maintainer can enter the seawater valve box to remove faults or plugs under emergency;
4) Furthermore, zinc blocks are additionally arranged on each box body, so that corrosion can be effectively avoided, and the service life of the device is prolonged.
Drawings
FIG. 1 is a schematic view showing the structure of a seawater valve box of an ice area sailing nuclear power ship according to an embodiment;
FIG. 2 shows a schematic view of the water inlet structure of the outer plate;
FIG. 3 is a schematic view showing the structure of a seawater valve box of an ice navigation nuclear power ship and a seawater flow chart according to another embodiment;
FIG. 4 is a schematic view showing the structure of a seawater valve box of a nuclear power ship for ice navigation according to still another embodiment;
in the drawing the view of the figure,
1-water inlet tank, 2-transition water tank, 3-floating refrigerator, 4-water purifying tank, 5-isolation empty cabin, 6-ice separating plate, 7-outer plate water inlet, 10-seawater line, 11-outer plate, 21-cooling water inlet pipe, 22-cooling water reinjection pipe, 23-steam ice melting pipe, 24-steam blowing pipe, 25-steam blowing air hole, 26-,27-,28-, 31-maintenance manhole cover, 32-ventilation hole, 33-detachable grid cover, 34-grid manhole cover, 35-ladder way and 36-anti-corrosion core block.
Detailed Description
For a further understanding of the present invention, embodiments of the invention are described below in conjunction with the examples, but it should be understood that these descriptions are merely intended to illustrate further features and advantages of the invention, and are not limiting of the invention.
The embodiment of the invention discloses a seawater valve box of an ice navigation nuclear power ship, which is shown in fig. 1 and comprises: the water inlet tank 1, the middle layer and the floating ice tank 3 are sequentially arranged from the bottom of the ship to the direction of the deck, the middle layer comprises a transition water tank 2 and a clean water tank 4 which are arranged side by side, the transition water tank 2 is close to the outer plate, the clean water tank 4 is far away from the outer plate, and one end of the transition water tank 4 is connected with the cooling water inlet pipe 21;
the bottom of the water inlet tank 1 is provided with an outer plate water inlet 7, the top of the water inlet tank is communicated with the bottom of the transition water tank 2,
the bottom of the floating ice box 3 is upwards provided with an ice separating plate 6 which separates the inlet from the outlet of the floating ice box 4;
the inlet of the floating ice tank 3 is communicated with the top of the transition water tank 2, and the outlet of the floating ice tank 3 is communicated with the top of the clean water tank 4;
an isolation air cabin 5 is arranged between the floating ice box 3 and the outer plate 11;
a steam blowing pipe 24 aligned with the water inlet 7 of the outer plate is arranged in the water inlet tank 1.
As shown in fig. 2, the outer plate water inlet 7 is used for blocking ice cubes and marine organisms from entering the seawater valve box in a manner that the outer plate of the ship body is directly provided with grid holes;
as shown in fig. 3, a plurality of steam blowing holes 25 are provided at the lower end of the steam blowing pipe 24, and are in one-to-one correspondence with the water inlets of the outer plates. If ice blocking or marine organisms and other foreign matters occur at the water inlet and cover the whole water inlet to cause insufficient cooling water supply, high-temperature and high-pressure steam is blown out from the steam blowing air holes 25 through the steam blowing pipes 24 to melt the ice blocking at the water inlet of the outer plate or blow off the covering marine organisms or the foreign matters at the water inlet 01 of the outer plate.
After a small amount of crushed ice and marine organisms or foreign matters enter the water inlet tank 1, the main function of the transition water tank 2 is to change turbulence in the water inlet tank 1 through the transition water tank 2, so that the crushed ice and the marine organisms or foreign matters enter the refrigerator 3 as vertically upwards as possible.
The main function of the refrigerator 3 is to float crushed ice on the upper part of the tank, and the ice-free seawater continues to flow downwards. The bottom of the floating ice box 3 is upwards provided with an ice separating plate 6 which separates the inlet from the outlet of the floating ice box 4. The ice baffle 6 serves to lengthen the upward movement distance of crushed ice and to delay and block the movement of crushed ice and marine organisms or foreign matter to the inside of the hull as much as possible. The height of the ice separating plate 6 is not lower than one third of the height of the floating ice box.
The side of the floating ice box 3 far away from the outer plate is also connected with a steam ice melting pipe 23 and/or a cooling water reinjection pipe 22. The steam ice melting pipe 23 can spray high-temperature steam to melt floating ice; the cooling water reinjection pipe 22 is used for injecting a small amount of relatively high temperature water circulated in the ship cooling loop back to the floating ice box, so that deicing is facilitated.
The bottom of the floating ice tank 3 is provided with two outlets, a first outlet is communicated with the top of the clean water tank 4 through a detachable grid cover 33, and a second outlet is communicated with the top of the clean water tank 4 through a grid manhole cover 34.
The grill manhole cover 34 and the detachable grill cover 33 serve as the last seawater filtering means to block crushed ice and marine organisms or foreign matters reaching the place with a very small probability, so as to ensure the purity of the seawater entering the fresh water tank 4.
The top surface of the floating ice box 3 is provided with a manhole cover 31 and an air vent hole 32. The air holes 32 are used for ensuring that the internal air pressure in the seawater valve box is the same as the external environment pressure, and the air exhausted by the steam ice melting pipe 23 can be discharged finally, so that the situation of cabin explosion is avoided.
As shown in fig. 4, the refrigerator 3 and the clean water tank 4 are also provided with a ladder way 35; the tread 35 is adjacent to the grille manhole cover 34.
When an emergency situation arises during routine inspection or ship operation, requiring personnel to enter the cabin for maintenance, the maintenance personnel (wearing appropriate equipment such as diving suits, etc.) can open the manhole cover 31, access the seawater valve box through the stairway 35, troubleshoot or clear crushed ice or foreign matter attached to the removable grating cover 33 and grating manhole cover 34.
The surfaces of the water inlet tank 1, the floating ice tank 3, the transition water tank 2 and the clean water tank 4 are provided with anti-corrosion core blocks 36. Preferably, 1 to 4 anticorrosion cores 36 are provided on each case.
An isolation air cabin 5 is arranged between the floating ice box 3 and the outer plate 11; the main function of the isolated aerocabin 5 is to form a thermal insulation layer between the sea water and the atmosphere and the floating ice box, so as to prevent the low temperature from being directly transferred into the floating ice box through the hull external plate 11, and the situation of difficult ice melting is caused.
In actual use, as shown in fig. 3, the top surface of the floating ice bin 3 is substantially flush with the seawater line 10. The seawater flow direction is shown in the running direction of arrow lines in the figure. After the seawater with ice enters the device, the seawater sequentially flows through the water inlet tank 1, the floating ice tank 3, the transition water tank 2 and the water purifying tank 4, deicing is realized, and finally the seawater enters the cooling water inlet pipe 21.
The above description of the embodiments is only for aiding in the understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An ice field navigation nuclear power vessel seawater valve box, comprising: the water inlet tank, the middle layer and the floating ice tank are sequentially arranged from the bottom of the ship to the direction of the deck, the middle layer comprises a transition water tank and a water purifying tank which are arranged side by side, the transition water tank is close to the outer plate, the water purifying tank is far away from the outer plate, and one end of the water purifying tank is connected with the cooling water introducing pipe;
the bottom of the water inlet tank is an outer plate water inlet, the top of the water inlet tank is communicated with the bottom of the transition water tank,
the ice separating plate is arranged at the bottom of the ice floating box upwards and separates the inlet from the outlet of the ice floating box;
the inlet of the floating refrigerator is communicated with the top of the transition water tank, and the outlet of the floating refrigerator is communicated with the top of the water purifying tank;
an isolation air cabin is arranged between the floating ice box and the outer plate;
a steam blowing pipe aligned with the water inlet of the outer plate is arranged in the water inlet tank.
2. The ice field navigation nuclear power vessel seawater valve box of claim 1, wherein the outer plate water inlet adopts a mode of directly opening grid holes on the outer plate of the vessel body.
3. The ice navigation nuclear power vessel seawater valve box of claim 2, wherein a plurality of steam blowing holes are arranged at the lower end of the steam blowing pipe and are in one-to-one correspondence with the water inlets of the outer plates.
4. The ice bank navigation nuclear power vessel seawater valve box of claim 1, wherein the top surface of the refrigerator is provided with a manhole cover and a vent hole.
5. The ice bank sailing nuclear powered marine valve box of claim 1, wherein the bottom of the refrigerator is provided with two outlets, a first outlet being in communication with the top of the fresh water tank through a removable grille cover and a second outlet being in communication with the top of the fresh water tank through a grille manhole cover.
6. The ice bank sailing nuclear power ship seawater valve box of claim 5, wherein the floating ice tank and the water purifying tank are further provided with a ladder way; the stair path is adjacent to the grille manhole cover.
7. The ice bank sailing nuclear powered marine valve housing of claim 1, wherein the surfaces of the intake tank, the refrigerator, the transition tank, and the clean water tank are each provided with corrosion resistant pellets.
8. The ice bank navigation nuclear power vessel seawater valve box of claim 6, wherein 1-4 anti-corrosion pellets are respectively arranged on each box body.
9. The ice field navigation nuclear power vessel seawater valve box of claim 1, wherein one side of the floating ice box far away from the outer plate is further connected with a steam ice melting pipe and/or a cooling water reinjection pipe.
10. The ice field navigation nuclear power vessel sea chest of claim 1, wherein the height of the ice separator is no less than one third of the height of the floating ice chest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210347827.4A CN116923679A (en) | 2022-04-01 | 2022-04-01 | Seawater valve box of ice area navigation nuclear power ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210347827.4A CN116923679A (en) | 2022-04-01 | 2022-04-01 | Seawater valve box of ice area navigation nuclear power ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116923679A true CN116923679A (en) | 2023-10-24 |
Family
ID=88376137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210347827.4A Pending CN116923679A (en) | 2022-04-01 | 2022-04-01 | Seawater valve box of ice area navigation nuclear power ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116923679A (en) |
-
2022
- 2022-04-01 CN CN202210347827.4A patent/CN116923679A/en active Pending
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