CN115579159A - Safety injection box for nuclear power - Google Patents
Safety injection box for nuclear power Download PDFInfo
- Publication number
- CN115579159A CN115579159A CN202211166747.5A CN202211166747A CN115579159A CN 115579159 A CN115579159 A CN 115579159A CN 202211166747 A CN202211166747 A CN 202211166747A CN 115579159 A CN115579159 A CN 115579159A
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- box body
- safety injection
- tank
- box
- nuclear power
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/18—Emergency cooling arrangements; Removing shut-down heat
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/24—Promoting flow of the coolant
- G21C15/243—Promoting flow of the coolant for liquids
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention relates to a safety injection box for nuclear power, which comprises a box body, an isolation structure and an adjusting cylinder, wherein the box body is provided with a box body; the upper end of the box body is provided with a pressurizing port, and the lower end of the box body is provided with a circulating port; the isolation structure is arranged on the inner wall surface of the box body so as to separate the space close to the inner side surface in the box body in the height direction and block liquid in the box body; the adjusting cylinder is vertically arranged at the bottom of the box body, the lower end of the adjusting cylinder is connected with the bottom of the box body, adjusting holes are distributed in the adjusting cylinder along the height direction, and the circulation port is communicated into the adjusting cylinder. The baffle plate structure for inhibiting the sloshing can ensure that when the water level of the safety injection tank changes after the safety injection tank is put into operation, the sloshing phenomenon in the safety injection tank can be effectively inhibited, and the impact pressure of the sloshing on the wall surface is reduced; meanwhile, the flow of the safety injection box after operation can be effectively conditioned by the design of the adjusting cylinder capable of controlling the flow.
Description
Technical Field
The invention relates to the field of nuclear power, in particular to a safety injection box for nuclear power.
Background
The safety injection box is an important special safety system of a pressurized water reactor nuclear power plant, and when loss of coolant accident occurs and the pressure of a primary circuit is lower than the injection pressure of the safety injection box, water in the safety injection box is injected into the primary circuit through an injection pipeline under the action of high-pressure nitrogen to cool a reactor core.
Under external excitation conditions (such as wind, sea waves, ocean currents, etc.), the offshore floating platform or vessel can tilt, heave, sway, etc.
At the moment, the water surface in the safety injection box of the nuclear power plant in the floating platform or the ship generates a nonlinear sloshing phenomenon, under the condition, the water in the safety injection box impacts the wall surface of the safety injection box to generate impact pressure of different degrees on the inner wall of the safety injection box, and when the impact pressure is high, the sloshing phenomenon can directly damage the structural integrity of the safety injection box.
Disclosure of Invention
The invention aims to solve the technical problem of providing a safety injection box for nuclear power, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the safety injection box for the nuclear power is constructed and comprises a box body, an isolation structure and an adjusting cylinder;
the upper end of the box body is provided with a pressurizing port, and the lower end of the box body is provided with a circulating port;
the isolation structure is arranged on the inner wall surface of the box body so as to separate the space close to the inner side surface in the box body in the height direction and block liquid in the box body;
the adjusting cylinder is vertically arranged at the bottom of the box body, the lower end of the adjusting cylinder is connected with the bottom of the box body, adjusting holes are distributed in the adjusting cylinder along the height direction, and the flow openings are communicated into the adjusting cylinder.
In some embodiments, the isolation structure includes a plurality of baffles distributed on an inner wall surface of the tank.
In some embodiments, the baffle extends along an inner peripheral wall of the tank.
In some embodiments, the baffles are divided into a plurality of groups, and the baffles of each group are arranged at intervals in the height direction of the box body; and/or the baffles of each group are arranged in a staggered manner in the inner circumferential direction of the box body.
In some embodiments, the baffle plates are arranged in a closed manner in the inner circumferential direction of the box body, and a plurality of baffle plates are distributed at intervals in the height direction of the box body.
In some embodiments, in the height direction of the tank body, the distance from the baffle closest to the pressurizing port is greater than a first preset distance, wherein the distance from the highest water level of the safety injection tank to the pressurizing port in operation is the first preset distance; and/or the presence of a gas in the gas,
in the height direction of the box body, the distance from the baffle closest to the circulation port is larger than a second preset distance, wherein the distance from the isolation water level of the safety injection box to the circulation port is the second preset distance.
In some embodiments, the baffle is horizontally disposed or obliquely disposed.
In some embodiments, the inner diameter of the adjustment barrel is larger than the bore diameter of the flow port.
In some embodiments, the upper end of the adjusting cylinder is closed, and the adjusting holes are circumferentially distributed on the side wall of the adjusting cylinder.
In some embodiments, an upper end of the tank body is provided with an upper detection port communicated to the inside of the tank body to detect at least one of a water level and an air pressure inside the tank body; and/or the lower end of the box body is provided with a lower detection port communicated to the inside of the box body so as to detect at least one of water level and air pressure inside the box body.
The safety injection box for the nuclear power has the following beneficial effects: the baffle plate structure for inhibiting the sloshing can ensure that when the water level of the safety injection tank changes after the safety injection tank is put into operation, the sloshing phenomenon in the safety injection tank can be effectively inhibited, and the impact pressure of the sloshing on the wall surface is reduced; meanwhile, the flow of the safety injection box after operation can be effectively conditioned through the design of the regulating cylinder capable of controlling the flow.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
FIG. 1 is a schematic sectional structure view of a nuclear power safety injection tank in an embodiment of the invention;
fig. 2 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a nuclear power safety injection tank 10 according to a preferred embodiment of the present invention includes a tank 11, an isolation structure 12, and an adjusting cylinder 13, wherein a pressure port 111 is provided at an upper end of the tank 11, and a flow port 112 is provided at a lower end of the tank, and during a startup phase of a nuclear power plant, water is injected into the body of the safety injection tank 10 through the connection pipe of the safety injection tank 10 and the flow port 112, and is adjusted to a preset water level value.
The water level change in the safety injection tank 10 is monitored through a water level monitor, and when the water level in the safety injection tank 10 reaches a preset value, water injection into the safety injection tank 10 is stopped. Further, high-pressure nitrogen is injected into the safety injection box 10 through the pressurizing port 111, the pressure change in the safety injection box 10 is monitored, and when the pressure in the safety injection box 10 reaches a preset value, gas injection into the safety injection box 10 is stopped.
At this time, the pressure port 111 is isolated, the water injection is stopped, and the isolation valve on the flow port 112 of the safety tank 10 and the primary connection pipe is opened. When the safety injection tank 10 is started, water in the safety injection tank 10 is injected into the reactor core through the flow opening 112, and the outside of the flow opening 112 can be connected with a connecting pipe.
In the normal operation stage of the nuclear power plant, the pressure of a primary circuit is higher than the injection pressure of the safety injection tank 10, and the safety injection tank 10 is isolated from the primary circuit through a check valve. Under external excitation conditions, sloshing can occur in the safety injection tank 10.
Further, isolation structure 12 sets up on the internal face of box 11 to with the space that is close to the medial surface in the box 11 at the direction of height partition, when safety injection case 10 takes place to rock, isolation structure 12 can block the liquid that strikes the internal face of box 11, slows down the flow, can effectually restrain and rock the phenomenon, guarantees the integrality of container.
When a loss of coolant accident occurs, the pressure of the primary loop is rapidly reduced. When the pressure of the primary circuit is reduced to be lower than the injection pressure of the safety injection tank 10, water in the safety injection tank 10 is injected into the primary circuit through the safety injection pipeline under the driving of the pressure difference.
The adjusting cylinder 13 is vertically arranged at the bottom of the box body 11, the lower end of the adjusting cylinder is connected with the bottom of the box body 11, adjusting holes 131 are distributed on the side wall of the adjusting cylinder 13 along the height direction, so that liquid in the safety injection box 10 can flow into the adjusting cylinder 13 through the adjusting holes 131, the flow port 112 is communicated to the adjusting cylinder 13, and the liquid in the adjusting cylinder 13 is injected into a loop through the flow port 112.
Along with the injection, the water level in the safety injection tank 10 gradually decreases, and the flow during the injection can be effectively adjusted through the small hole on the adjusting cylinder 13. Under the external excitation condition, the sloshing phenomenon can appear in the safety injection box 10, and under the action of the isolation structure 12, the sloshing phenomenon can be effectively inhibited, so that the integrity of the container is ensured.
The partition plate structure for inhibiting the sloshing can ensure that when the water level of the safety injection tank 10 is changed after the safety injection tank 10 is put into operation, the sloshing phenomenon in the safety injection tank 10 can be effectively inhibited, and the impact pressure of the sloshing on the wall surface is reduced; meanwhile, the flow of the safety injection box 10 after operation can be effectively conditioned by the design of the adjusting cylinder 13 capable of controlling the flow.
In some embodiments, the isolation structure 12 includes a plurality of baffles 121 distributed on the inner wall surface of the tank 11, and the baffles 121 can block the liquid when the liquid in the safety injection tank 10 is shaken, so as to inhibit the shaking of the safety injection tank 10 and reduce the impact on the wall surface.
In the present embodiment, the housing 11 is spherical, and the baffle plates 121 are annularly arranged so as to fit the inner wall surface of the housing 11 and are closed in the inner circumferential direction of the housing 11, and the outer diameter of each layer of baffle plates 121 corresponds to the inner diameter of the housing at a corresponding height position, and the inner hole of each layer of baffle plates 121 has a different diameter. Preferably, the widths of the baffles 121 are the same, so that the blocking forces of the baffles 121 are more balanced.
The baffles 121 are distributed at intervals in the height direction of the box body 11, the outer ring of the baffle 121 is connected with the inner wall surface of the box body 11, preferably, by welding, and in other embodiments, the baffle 121 may also be connected to the inner wall surface of the box body 11 by locking by a locking member.
Each annular baffle 121 separates into the multilayer with the internal wall of box 11, can let the liquid homoenergetic of different water levels in the box 11 have baffle 121 to block, prevents to rock.
In some embodiments, in the height direction of the tank 11, the distance from the baffle 121 closest to the pressure port 111 is greater than a first preset distance, wherein the distance from the highest water level of the safety injection tank 10 to the pressure port 111 is the first preset distance. Specifically, in the height direction of the tank body 11, the baffle 121 located at the highest position is lower than the highest water level of the safety injection tank 10. In this way, the baffle 121 located at the highest position can also act as a barrier to the liquid in the tank.
In some embodiments, the distance from the baffle 121 closest to the communication port 112 in the height direction of the tank body 11 is greater than a second predetermined distance, wherein the distance from the water level to the communication port 112 in the height direction of the tank body 10 is the second predetermined distance. Specifically, the baffle 121 located at the lowest position in the height direction of the tank body 11 is higher than the isolation water level of the safety injection tank 10. In this way, the baffle 121 located at the lowest position can also act as a barrier to the liquid in the tank 11.
Further, in some embodiments, in the height direction of the tank 11, the distance from the baffle plate 121 closest to the pressurization port 111 is greater than a first preset distance, and in the height direction of the tank 11, the distance from the baffle plate 121 closest to the circulation port 112 is greater than a second preset distance. Specifically, the mounting position of the highest position baffle 121 is slightly lower than the highest water level that may appear when the safety injection tank 10 operates normally, and the mounting position of the lowest position baffle 121 is slightly higher than the isolation water level of the safety injection tank 10, so that when the safety injection tank 10 operates, all baffles 121 in the tank body 11 can play a role in blocking.
In this embodiment, the baffles 121 are horizontally arranged, so that the baffles 121 in each circumferential region are more balanced, of course, the baffles 121 may also be obliquely arranged, and the arrangement manner of the baffles 121 may also adopt various combinations, which is not limited herein.
It is understood that in other embodiments, the baffle 121 may also extend along the inner peripheral wall of the tank 11, and preferably, the baffle 121 is in a fan-shaped ring shape, and the outer ring is connected with the inner wall surface of the tank 11 to block the sloshing of the liquid. In other embodiments, the baffle 121 may have a plate-like or column-like structure with other shapes, and may serve to block the flow of liquid on the inner wall surface of the case 11.
Further, when the baffles 121 are not circular, the baffles 121 of the isolation structure 12 may be divided into a plurality of groups, and the baffles 121 of each group may be arranged regularly, so that the baffles 121 on the inner wall of the box 11 are distributed uniformly. The baffles 121 in each group are arranged according to a specific rule, and specifically, the baffles 121 in each group may be arranged at the same height position along the inner circumferential direction, may be arranged at different heights along the height direction, or may be arranged in a specific manner along the inner circumferential direction and the height direction at the same time.
Each group of baffles 121 is arranged at intervals in the height direction of the box body 11, so that the blocking of different liquid levels is met, preferably, the upper and lower groups of baffles 121 are arranged in a staggered manner in the inner circumferential direction of the box body 11, so that the isolation structures 12 can provide blocking force in the inner circumferential direction of the box body 11, and more balanced blocking force is provided.
It can be understood that the baffles 121 of each group are arranged at intervals in the height direction, and the baffles 121 of each upper and lower group are not staggered in the inner circumferential direction, or the baffles 121 of each group are staggered in the inner circumferential direction, and the arrangement manner in the height direction is not limited. Of course, the baffles 121 may be irregularly arranged on the inner wall of the tank 11 to block the liquid in the tank 11 from shaking.
In this embodiment, the adjusting cylinder 13 is a cylindrical cylinder, preferably, the upper end of the adjusting cylinder 13 is closed, adjusting holes 131 are circumferentially distributed on the side wall of the adjusting cylinder 13, so that water outside the adjusting cylinder 13 flows into the adjusting cylinder 13 through the adjusting holes 131, the speed of liquid in the box body 11 flowing into the cylinder is controlled, and the size, the number, the arrangement mode and the like of the adjusting holes 131 can be designed according to the minimum injection flow and the effective injection time of the safety injection box 10. With the descending of the liquid level, under the external excitation condition, the sloshing phenomenon can occur in the safety injection tank 10, and under the action of the isolation structure 12, the sloshing phenomenon can be effectively inhibited, so that the integrity of the container is ensured.
After the safety injection box 10 is started, the water level in the safety injection box 10 gradually drops, the adjusting holes 131 in the adjusting cylinder 13 are gradually exposed, the injection flow of the safety injection box 10 is limited, and the effective injection time of the safety injection box 10 is prolonged.
The inner diameter of the adjusting cylinder 13 is larger than the diameter of the circulation port 112, so that water flowing out of the circulation port 112 can normally flow into the connecting pipe outside the circulation port 112.
Further, the upper end of the box body 11 is provided with an upper detection port 113 communicated to the inside of the box body 11 so as to detect at least one of water level and air pressure in the box body 11; and/or, a lower end of the box body 11 is provided with a lower detection port 114 communicated to the inside of the box body 11 to detect at least one of water level and air pressure inside the box body 11.
Specifically, in some embodiments, the upper end of the box body 11 is provided with an upper detection port 113 communicated to the inside of the box body 11, and the upper detection port 113 may be respectively connected with a water level measuring instrument and a pressure measuring instrument to detect the water level and the air pressure inside the box body 11; or, in some embodiments, the lower end of the box body 11 is provided with a lower detection port 114 communicated to the inside of the box body 11, and the lower detection port 114 is respectively connected with a water level measuring instrument and a pressure measuring instrument so as to detect the water level and the air pressure in the box body 11; or, in some embodiments, the upper end and the lower end of the tank 11 are respectively provided with an upper detection port 113 and a lower detection port 114 which are communicated to the inside of the tank 11, the upper detection port 113 can be connected with a pressure measuring meter to detect the air pressure inside the tank 11, and the lower detection port 114 can be connected with a water level measuring meter to detect the water level inside the tank 11.
It should be noted that the number of the detection ports may be determined according to the requirements of the water level and the pressure measurement, and is not limited herein.
The accuracy of liquid level measurement is improved, the baffle plate 121 effectively inhibits the liquid level sloshing phenomenon in the safety injection tank 10, the water level in the safety injection tank 10 is ensured to be within a working range under the worst external excitation condition, the position and the number of the detection ports are properly arranged, the water level measurement is ensured not to be influenced by the sloshing, and the safety and the reliability of a nuclear power plant are improved.
The trompil on adjusting a section of thick bamboo 13 distributes on the lateral wall, can with ann annotate 10 size and flow phase-matchs, no matter the water level height in the ann notes case 10, circumference and each position of direction of height all have the trompil can flow, have reduced the influence in stifled hole, have guaranteed the stability of rivers.
The invention can enable the safety injection box 10 to have the capability of inhibiting the sloshing effect, maintain the stability of the free liquid level and have the capability of normally and stably working under the conditions of swinging and the like under the normal operation and accident working conditions; the safety and the reliability of the equipment are improved; the accuracy of liquid level measurement in the safety injection tank 10 under the conditions of ocean conditions and the like is improved; under the accident working condition, when the swing motion working condition exists, water in the safety injection tank 10 stably descends and is injected into the reactor core, the service time of the safety injection tank 10 is prolonged, and the reliability of accident post-treatment is improved; the environmental adaptability of the nuclear power plant is enhanced, and the economy of the nuclear power plant is improved.
The invention has the following advantages:
1. the invention has simple structure, and the baffle 121 is welded and processed, thereby being convenient for manufacturing.
2. The invention does not limit the shape and application scene of the safety injection box 10, and the applicable reactor type and arrangement position; is more suitable for offshore piles.
3. According to the invention, the baffle 121 is arranged, so that the movement of liquid is blocked under the working condition of up-and-down swinging, the swinging effect is reduced, and the impact force on the upper wall surface and the lower wall surface is reduced. The working condition of left-right swinging is that the liquid is axially layered, the radial flow velocity is reduced to a certain extent, and the safety and the reliability of the safety injection box 10 are effectively improved.
4. The safety injection tank 10 can stabilize the water level in the safety injection tank 10 during normal operation, reduce the kinetic energy of liquid in the safety injection tank 10, relieve the impact force on the tank body 11 of the safety injection tank 10 and improve the reliability of equipment. Under the accident condition, the check valve is opened, so that the stability of the liquid level around the adjusting cylinder 13 is ensured while the water level of the safety injection tank 10 is reduced, the stable reduction of the safety injection flow is kept, and the accident relieving means is controllable.
5. By applying the invention, the reliability of the box body 11 of the safety injection box 10 is improved in normal operation. The method improves the handling capacity of the nuclear power plant in accidents in a worse environment, enhances the environmental adaptability of the nuclear power plant and improves the economy of the nuclear power plant.
It is to be understood that the above-described respective technical features may be used in any combination without limitation.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A safety injection box for nuclear power is characterized by comprising a box body (11), an isolation structure (12) and an adjusting cylinder (13);
the upper end of the box body (11) is provided with a pressurizing opening (111), and the lower end of the box body is provided with a circulating opening (112);
the isolation structure (12) is arranged on the inner wall surface of the box body (11) to separate the space close to the inner side surface in the box body (11) in the height direction and block liquid in the box body (11);
the adjusting cylinder (13) is vertically arranged at the bottom of the box body (11), the lower end of the adjusting cylinder is connected with the bottom of the box body (11), adjusting holes (131) are distributed in the adjusting cylinder (13) along the height direction, and the circulation port (112) is communicated into the adjusting cylinder (13).
2. The safety injection tank for nuclear power according to claim 1, characterized in that the isolation structure (12) comprises a plurality of baffles (121) distributed on the inner wall surface of the tank body (11).
3. The safety injection tank for nuclear power according to claim 2, characterized in that the baffle (121) extends along the inner peripheral wall of the tank body (11).
4. The safety injection box for nuclear power according to claim 2, characterized in that the baffles (121) are divided into a plurality of groups, and the baffles (121) of each group are arranged at intervals in the height direction of the box body (11); and/or the baffles (121) of each group are arranged in a staggered manner in the inner circumferential direction of the box body (11).
5. The safety injection box for nuclear power, as claimed in claim 2, wherein the baffles (121) are arranged in a closed manner in the inner circumferential direction of the box body (11), and a plurality of the baffles (121) are distributed at intervals in the height direction of the box body (11).
6. The safety injection tank for nuclear power according to any one of claims 2 to 5, characterized in that in the height direction of the tank body (11), the distance from the baffle plate (121) closest to the pressurization port (111) is greater than a first preset distance, wherein the distance from the highest water level to the pressurization port (111) when the safety injection tank (10) operates is the first preset distance; and/or
In the height direction of the box body (11), the distance from the baffle plate (121) closest to the circulation port (112) is greater than a second preset distance, wherein the distance from the water level isolated by the safety injection box (10) to the circulation port (112) is the second preset distance.
7. The safety injection tank for nuclear power according to any one of claims 2 to 5, characterized in that the baffle (121) is arranged horizontally or obliquely.
8. The safety tank for nuclear power according to any one of claims 1 to 5, characterized in that the inner diameter of the regulating cylinder (13) is larger than the aperture of the flow port (112).
9. The safety injection box for nuclear power according to any one of claims 1 to 5, characterized in that the upper end of the adjusting cylinder (13) is closed, and the adjusting holes (131) are distributed on the side wall of the adjusting cylinder (13) along the circumferential direction.
10. The nuclear power safety injection tank according to any one of claims 1 to 5, wherein an upper end of the tank body (11) is provided with an upper detection port (113) communicated into the tank body (11) to detect at least one of a water level and an air pressure in the tank body (11); and/or
The lower end of the box body (11) is provided with a lower detection port (114) communicated to the interior of the box body (11) so as to detect at least one of water level and air pressure in the box body (11).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166747.5A CN115579159A (en) | 2022-09-23 | 2022-09-23 | Safety injection box for nuclear power |
| PCT/CN2023/074649 WO2024060483A1 (en) | 2022-09-23 | 2023-02-06 | Nuclear power safety injection tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166747.5A CN115579159A (en) | 2022-09-23 | 2022-09-23 | Safety injection box for nuclear power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115579159A true CN115579159A (en) | 2023-01-06 |
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ID=84581833
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211166747.5A Pending CN115579159A (en) | 2022-09-23 | 2022-09-23 | Safety injection box for nuclear power |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115579159A (en) |
| WO (1) | WO2024060483A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060483A1 (en) * | 2022-09-23 | 2024-03-28 | 中广核研究院有限公司 | Nuclear power safety injection tank |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5511585A (en) * | 1994-03-31 | 1996-04-30 | The Lee Company | Method and device for providing fluid resistance within a flow passageway |
| US6220287B1 (en) * | 2000-02-03 | 2001-04-24 | The Boeing Company | Baffle for suppressing slosh in a tank and a tank for incorporating same |
| KR100945019B1 (en) * | 2008-05-08 | 2010-03-05 | 한국원자력연구원 | Safety injection tank with gravity driven fluidic device |
| CN202321326U (en) * | 2011-12-05 | 2012-07-11 | 辽宁工程职业学院 | Liquid transportation tank with horizontal wave prevention device |
| CN106782699B (en) * | 2016-11-29 | 2019-02-01 | 中广核研究院有限公司 | The novel Core makeup tank for rocking influence can be mitigated |
| CN109505830B (en) * | 2018-11-28 | 2021-12-03 | 中国核电工程有限公司 | Passive nonlinear fluid resistance element |
| CN109448873B (en) * | 2018-12-04 | 2020-04-21 | 中国核动力研究设计院 | Improved generation ann annotates case |
| CN112249331A (en) * | 2020-11-15 | 2021-01-22 | 黎图(晋江)科技有限公司 | Pesticide box for crop spraying unmanned aerial vehicle |
| CN112249332A (en) * | 2020-11-15 | 2021-01-22 | 黎图(晋江)科技有限公司 | High-stability crop spraying unmanned aerial vehicle |
| CN215477300U (en) * | 2021-06-08 | 2022-01-11 | 平顶山市富润斯新能源有限公司 | Storage device is used in production of car clean fuel |
| CN217436680U (en) * | 2022-03-04 | 2022-09-16 | 四川西陇科学有限公司 | Be used for ammonium chloride recrystallization mother liquor storage jar |
| CN115579159A (en) * | 2022-09-23 | 2023-01-06 | 中广核研究院有限公司 | Safety injection box for nuclear power |
-
2022
- 2022-09-23 CN CN202211166747.5A patent/CN115579159A/en active Pending
-
2023
- 2023-02-06 WO PCT/CN2023/074649 patent/WO2024060483A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060483A1 (en) * | 2022-09-23 | 2024-03-28 | 中广核研究院有限公司 | Nuclear power safety injection tank |
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| WO2024060483A1 (en) | 2024-03-28 |
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