CN212516584U - Cabin spray test device for ship - Google Patents
Cabin spray test device for ship Download PDFInfo
- Publication number
- CN212516584U CN212516584U CN202021162881.4U CN202021162881U CN212516584U CN 212516584 U CN212516584 U CN 212516584U CN 202021162881 U CN202021162881 U CN 202021162881U CN 212516584 U CN212516584 U CN 212516584U
- Authority
- CN
- China
- Prior art keywords
- steam
- spray
- cabin
- pipeline
- regulating valve
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a cabin spray test device for a ship, which comprises a cabin simulator, a spray water system, a steam system, a swing platform system and a measuring system, wherein the spray water system comprises a main water supply pipeline communicated with the cabin simulator, a spray head, a front spray water flow meter regulating valve and a rear spray water flow meter regulating valve which are arranged on the main water supply pipeline; the steam system comprises a steam pipeline, a steam nozzle, a steam flow meter, a rear regulating valve of the steam flow meter and a regulating valve of the steam nozzle, wherein the steam pipeline is communicated with the cabin simulator; the swing platform system comprises a swing platform and a driving mechanism, wherein the swing platform is positioned at the lower end of the cabin simulator; the measuring system comprises a camera, a laser Doppler velocimeter, a temperature measuring device and a pressure gauge which are arranged in the cabin simulator. The ship cabin spraying test device can simulate the actual operation characteristics of a real ship spraying system and reveal the dynamics and heat transfer characteristic mechanism, thereby optimizing the design of the real ship spraying system.
Description
Technical Field
The utility model relates to a spray test device technical field especially relates to a marine cabin sprays test device.
Background
When a loss of coolant accident or a rupture accident of a main steam pipeline in the reactor cabin occurs, high-temperature and high-pressure coolant or steam enters the reactor cabin, so that the temperature and the pressure in the reactor cabin are increased sharply, and if the temperature and the pressure are not reduced in time, the sensor in the reactor cabin is possibly damaged and the air tightness of the reactor cabin is damaged, so that radioactive substances are diffused to other cabins. The main function of the safe spraying system is to spray cooling water into the reactor cabin when the temperature or pressure of the reactor cabin exceeds an allowable value, condense steam generated by leaked working media, increase the mixing of gas and restore the temperature and pressure in the reactor cabin to a normal range.
The land-based nuclear power station can adopt measures of increasing the effective space of a containment vessel, improving the structural design pressure-bearing capacity and the like, the reactor cabin for the ship is limited by constraint conditions such as total resource space, weight occupancy and the like, the structural parameters of the reactor cabin such as space geometric configuration, height and the like have larger difference compared with the land-based containment vessel, the space of the reactor cabin is very narrow compared with the land-based nuclear power station, the instantaneous pressure lifting rate under the accident working condition is obviously increased, the direct contact heat transfer stroke and time of spray liquid drops and steam-non-condensable gas are obviously shortened, and the design of a spray system is strictly required. In addition, the ocean conditions can introduce the action of a transient additional force field, the influence on the flow characteristics and the heat transfer characteristics of the fluid is obvious, the coverage area, the motion track, the spatial distribution of mixed gas and the like of the spray liquid drops are different from those of a fixed vertical land-based nuclear power station, and the heat transfer characteristics between the spray liquid drops and the steam-non-condensable gas are further influenced.
Therefore, it is necessary to design a spraying system testing device capable of simulating the influence of a transient force field under an ocean condition, and revealing the dynamics and the heat transfer characteristic mechanism of the environment of spraying liquid drops to spray the high-temperature and high-pressure reactor cabin under the ocean condition, so as to effectively guide and design a set of spraying system which is suitable for marine environmental conditions, has small reactor cabin space and weight occupancy and can quickly and efficiently reduce the temperature and pressure in the reactor cabin.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a cabin sprays test device for ship aims at simulating under the marine condition under the transient force field, simulates real ship spraying system's actual operating characteristic to reveal dynamics and heat transfer characteristic mechanism, thereby optimize real ship spraying system design.
In order to achieve the above purpose, the utility model provides a cabin spray test device for a ship, which comprises a cabin simulator, a spray water system, a steam system, a swing table system and a measuring system, wherein,
the spray water system comprises a main water supply pipeline communicated with the cabin simulator, a spray head positioned at the end part of the main water supply pipeline, and a front regulating valve, a front regulating valve and a rear regulating valve of a spray water flowmeter which are sequentially arranged on the main water supply pipeline;
the steam system comprises a steam pipeline communicated with the cabin simulator, a steam spray nozzle positioned at the end part of the steam pipeline, and a steam flow meter, a steam flow meter rear regulating valve and a steam spray nozzle regulating valve which are sequentially arranged on the steam pipeline;
the swing platform system comprises a swing platform positioned at the lower end of the cabin simulator and a driving mechanism supported below the swing platform to drive the swing platform to swing;
the measuring system comprises a camera, a laser Doppler velocimeter, a temperature measuring device and a pressure gauge which are arranged in the cabin simulator.
Preferably, the spray water system further comprises a spray water bypass pipeline communicated with the water supply main pipeline, a spray water bypass pipeline regulating valve is installed on the spray water bypass pipeline, one ends of the water supply main pipeline and the spray water bypass pipeline are both inserted into the water tank, and a centrifugal pump is further installed on the water supply main pipeline.
Preferably, the steam system further comprises a boiler and a temperature and pressure reducing device connected with the boiler, and the steam pipeline is communicated with the temperature and pressure reducing device.
Preferably, the cabin simulator is provided with a drain pipeline connected with the cabin simulator, and a drain valve is installed on the drain pipeline.
Preferably, the driving mechanism comprises at least three swing shafts positioned below the swing platform and a hydraulic device for driving the swing shafts to extend and retract.
Preferably, the driving mechanism is connected with a control device for automatically controlling the driving mechanism, and the control device is also electrically connected with the spray water system, the steam system and the measuring system.
Preferably, the shower head is located above the steam shower head.
Preferably, at least two steam spray heads and at least two spray heads are arranged.
Preferably, the temperature measuring device comprises at least two thermocouples between the spray header and the steam spray header.
Preferably, a temperature meter and a pressure meter are installed on the steam pipeline.
The utility model provides a marine cabin sprays test device has following beneficial effect:
1. the test device can carry out spray tests under different inclination angles and different swing working conditions, more truly reflects the operation process of a spray system under a real ship environment, and has more guiding significance for system design and optimization;
2. the steam has different spraying positions, and the cooling and pressure reducing effects of the spraying system at different actual breaking positions can be simulated;
3. thermocouple measuring points are spatially and three-dimensionally arranged in the cabin simulation body, and the cooling effect of the spraying system under the ocean condition can be analyzed by adopting a method of integrally and locally combining.
Drawings
FIG. 1 is the schematic structural diagram of the cabin spray test device for ship
FIG. 2 is a schematic diagram of a side view structure of a cabin simulator in the marine cabin spray test device of the present invention;
fig. 3 is a schematic top view of the section a shown in fig. 2.
In the figure, 1-water tank, 2-centrifugal pump, 3-spray water flowmeter front regulating valve, 4-spray water flowmeter, 5-spray water flowmeter rear regulating valve, 6-shower head, 7-spray water bypass pipeline regulating valve, 8-water supply main pipeline, 9-spray water bypass pipeline, 10-boiler, 11-temperature and pressure reduction device, 12-steam flowmeter, 13-steam flowmeter rear regulating valve, 14-steam sprayer regulating valve, 15-steam sprayer, 16-cabin simulator, 17-drain valve, 18-drain pipeline, 19-steam pipeline, 20-swing platform, 21-hydraulic device, 22-swing shaft, 23-thermocouple.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 3, in the present preferred embodiment, a cabin spray test apparatus for a ship includes a cabin simulator 16, a spray water system, a steam system, a swing table system, and a measurement system, wherein,
the spray water system comprises a main water supply pipeline 8 communicated with the cabin simulator 16, a spray header 6 positioned at the end part of the main water supply pipeline 8, and a front spray water flow meter regulating valve 3, a spray water flow meter 4 and a rear spray water flow meter regulating valve 5 which are sequentially arranged on the main water supply pipeline 8;
the steam system comprises a steam pipeline 19 communicated with the cabin simulator 16, a steam spray nozzle 15 positioned at the end part of the steam pipeline 19, and a steam flow meter 12, a rear regulating valve 13 of the steam flow meter and a regulating valve 14 of the steam spray nozzle 5 which are sequentially arranged on the steam pipeline 19;
the swing platform system comprises a swing platform 20 positioned at the lower end of the cabin simulator 16 and a driving mechanism supported below the swing platform 20 for driving the swing motion of the swing platform;
the measuring system comprises a camera (a high-speed camera can be adopted), a Laser Doppler Velocimeter (LDV), a temperature measuring device and a pressure gauge which are arranged in the cabin simulator 16.
Further, the water spraying system further comprises a spraying water bypass pipeline 9 communicated with the water supply main pipeline 8, a spraying water bypass pipeline adjusting valve 7 is installed on the spraying water bypass pipeline 9, one ends of the water supply main pipeline 8 and the spraying water bypass pipeline 9 are both inserted into the water tank 1, and the water supply main pipeline 8 is further provided with a centrifugal pump 2. The amount of spray water is adjusted by providing a spray water bypass line 9.
The steam system also comprises a boiler 10 and a temperature and pressure reducing device 11 connected with the boiler, and a steam pipeline 19 is communicated with the temperature and pressure reducing device 11. The vapor line 19 is provided with a temperature measuring meter and a pressure measuring meter (in the figure, the temperature measuring meter and the pressure measuring meter are both provided with three). The boiler 10 is used for providing a steam source of steam, and can meet the requirement of test working conditions after being cooled and depressurized by the temperature and pressure reducing device 11.
Further, a drain pipeline 18 connected with the bottom end of the chamber simulator 16 is arranged at the bottom end of the chamber simulator, and a drain valve 17 is installed on the drain pipeline 18. When the liquid level requirement is exceeded, the bottom water of the chamber simulator 16 is drained through the drain valve 17.
Specifically, the driving mechanism includes at least three rocking shafts 22 located below the rocking platform 20, a central shaft, and a hydraulic device 21 driving the rocking shafts 22 to extend and retract. The swing shaft 22 is located on the outer peripheral side of the center shaft. During the test, the swing platform 20 can be fixed at a certain angle around the swing shaft 22, and can also reciprocate around the central shaft under the preset swing period and swing amplitude.
Furthermore, the driving mechanism is connected with a control device for automatically controlling the driving mechanism, and the control device is also electrically connected with the spray water system, the steam system and the measuring system, so that the spray water injection amount and the steam injection amount are automatically controlled.
In this embodiment, the shower head 6 is located above the steam shower head 15. At least two (three are illustrated in the figure) steam spray heads 15 are provided. The spray header 6 can be provided with a plurality of spray headers, and can spray singly or simultaneously.
Further, the temperature measuring device includes thermocouples 23 located between the shower head 6 and the steam shower head 15, and at least two thermocouples 23 are provided. The distribution diagram of the thermocouple 23 is shown in fig. 3 (the thermocouple 23 shown in fig. 2 is provided with three layers).
The cabin simulator 16 mainly has two test states of inclination and swing.
(1) Inclined state
The swing platform 20 is fixed at a certain fixed inclination angle (such as 0 degree, 10 degree, 20 degree and 30 degree) through the swing platform control system, the front adjusting valve 3 of the water flow meter on the spraying pipeline is closed, the rear adjusting valve 5 of the water flow meter and the adjusting valve 7 of the spraying water bypass pipeline are kept in a fully open state, the centrifugal pump 2 is started, and water in the water tank 1 is driven to circularly flow through the bypass pipeline. The boiler 10 is started, after the temperature and pressure of the boiler are reduced by the temperature and pressure reducing device 11, new steam meeting the requirements of test working conditions is injected into the cabin simulation body 16 through the steam nozzle 15 along the steam pipeline 19 through the steam flowmeter 12, the rear regulating valve 13 of the steam flowmeter and the regulating valve 14 of the steam nozzle 5, the steam nozzle 15 can select to open nozzles at different positions to simulate the spraying, temperature reducing and pressure reducing effects at different spraying positions, after the temperature and the pressure in the cabin simulation body 16 reach preset parameters, the front regulating valve 3 of the spray water flowmeter is gradually opened, the opening of the regulating valve meets the requirements of test spraying flow, the temperature and the time change conditions of measuring points at each spatial position in the cabin simulation body 16 are recorded, the microscopic velocity field of spray liquid drops is measured by adopting an LDV, and the spray coverage area is.
(2) Swing state
And closing the front regulating valve 3 of the spray water flowmeter on the spray pipeline, keeping the rear regulating valve 5 of the spray water flowmeter and the regulating valve 7 of the spray water bypass pipeline in a fully open state, and starting the centrifugal pump 2 to drive water in the water tank 1 to circularly flow through the bypass pipeline. The boiler 10 is started, after the temperature and pressure of the boiler are reduced by the temperature and pressure reducing device 11, new steam meeting the requirements of test working conditions flows through the steam flow meter 12 along the steam pipeline 19, the rear regulating valve 13 of the steam flow meter and the regulating valve 14 of the steam spray head 5 are injected into the cabin simulating body 16 through the steam spray head 15, the steam spray head 15 can select to open spray heads at different positions to simulate the spraying, temperature and pressure reducing effects at different spraying positions, after the temperature and the pressure in the cabin simulating body 16 reach preset parameters, the front regulating valve 3 of the spraying water flow meter is gradually opened, and the opening of the regulating valve meets the requirements of test spraying flow. The swing platform 20 is synchronously started by the swing platform control system, the temperature of each space position measuring point in the cabin simulator 16 and the change situation of the temperature along with time are recorded according to the preset swing period and swing angle, the microscopic velocity field of the spray liquid drops is measured by the LDV, the spray coverage area is measured by the high-speed camera, and the test research in the swing state is carried out.
The marine cabin spray test device that this embodiment provided has following beneficial effect:
1. the test device can carry out spray tests under different inclination angles and different swing working conditions, more truly reflects the operation process of a spray system under a real ship environment, and has more guiding significance for system design and optimization;
2. the steam has different spraying positions, and the cooling and pressure reducing effects of the spraying system at different actual breaking positions can be simulated;
3. the space three-dimensional arrangement of thermocouple 23 measurement points in the cabin simulator 16 can adopt the method of wholly and locally combining to analyze the cooling effect of the spraying system under the ocean condition.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A cabin spray test device for a ship is characterized by comprising a cabin simulator, a spray water system, a steam system, a swing table system and a measuring system,
the spray water system comprises a main water supply pipeline communicated with the cabin simulator, a spray head positioned at the end part of the main water supply pipeline, and a front regulating valve, a front regulating valve and a rear regulating valve of a spray water flowmeter which are sequentially arranged on the main water supply pipeline;
the steam system comprises a steam pipeline communicated with the cabin simulator, a steam spray nozzle positioned at the end part of the steam pipeline, and a steam flow meter, a steam flow meter rear regulating valve and a steam spray nozzle regulating valve which are sequentially arranged on the steam pipeline;
the swing platform system comprises a swing platform positioned at the lower end of the cabin simulator and a driving mechanism supported below the swing platform to drive the swing platform to swing;
the measuring system comprises a camera, a laser Doppler velocimeter, a temperature measuring device and a pressure gauge which are arranged in the cabin simulator.
2. The marine cabin spray test apparatus of claim 1, wherein the spray water system further comprises a spray water bypass pipeline in communication with the water supply main pipeline, the spray water bypass pipeline is provided with a spray water bypass pipeline regulating valve, one end of each of the water supply main pipeline and the spray water bypass pipeline is inserted into the water tank, and the water supply main pipeline is further provided with a centrifugal pump.
3. The marine cabin spray test rig of claim 1, wherein the steam system further comprises a boiler and a desuperheating and depressurizing device connected thereto, the steam line being in communication with the desuperheating and depressurizing device.
4. The marine cabin spray test apparatus of claim 1, wherein the cabin simulator has a drain line connected thereto, and a drain valve is installed on the drain line.
5. The marine cabin spray test rig of claim 1, wherein the drive mechanism includes at least three swing shafts located below the swing platform and a hydraulic device to drive the swing shafts to extend and retract.
6. The marine cabin spray test rig of claim 1, wherein the drive mechanism is connected to a control device for automated control thereof, the control device further being electrically connected to the spray water system, the steam system and the measurement system.
7. The marine cabin spray test apparatus of claim 1, wherein the spray header is positioned above the steam spray header.
8. The marine cabin spray test apparatus of claim 1, wherein at least two of the steam spray heads and the spray header are provided.
9. The marine cabin spray test rig of claim 1, wherein the temperature measuring device comprises thermocouples between the spray header and the steam spray header, the thermocouples being at least two.
10. The marine cabin spray test apparatus of any one of claims 1 to 9, wherein a temperature gauge and a pressure gauge are installed on the steam pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021162881.4U CN212516584U (en) | 2020-06-19 | 2020-06-19 | Cabin spray test device for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021162881.4U CN212516584U (en) | 2020-06-19 | 2020-06-19 | Cabin spray test device for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212516584U true CN212516584U (en) | 2021-02-09 |
Family
ID=74438327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021162881.4U Active CN212516584U (en) | 2020-06-19 | 2020-06-19 | Cabin spray test device for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212516584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432901A (en) * | 2021-06-24 | 2021-09-24 | 中国舰船研究设计中心 | Containment suppression heat extraction test system |
| CN114993067A (en) * | 2022-07-28 | 2022-09-02 | 中国船舶重工集团公司第七一九研究所 | Marine anti-swing water tank and parameter design method thereof |
-
2020
- 2020-06-19 CN CN202021162881.4U patent/CN212516584U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432901A (en) * | 2021-06-24 | 2021-09-24 | 中国舰船研究设计中心 | Containment suppression heat extraction test system |
| CN114993067A (en) * | 2022-07-28 | 2022-09-02 | 中国船舶重工集团公司第七一九研究所 | Marine anti-swing water tank and parameter design method thereof |
| CN114993067B (en) * | 2022-07-28 | 2022-10-14 | 中国船舶重工集团公司第七一九研究所 | Marine anti-swing water tank and parameter design method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212516584U (en) | Cabin spray test device for ship | |
| CN112164482B (en) | Comprehensive thermal hydraulic test device for containment | |
| CN112885491B (en) | Loop cycle characteristic experiment system and method under six-degree-of-freedom motion condition | |
| CN104167227B (en) | A kind of nuclear power plant containment shell spray system improves item experimental rig | |
| CN106370453B (en) | A kind of leaking stoppage experiment system of LNG/NG pipeline leakages | |
| KR20140051654A (en) | Apparatus for simulating liquid droplet impingement erosion by using high-speed rotator | |
| CN107131119A (en) | High-temperature melting salt pump compbined test detection means under a kind of long-shaft liquid | |
| CN104677813A (en) | High-temperature high-pressure circulation water system | |
| CN104613307B (en) | A kind of liquid oxygen feed system for associated mode supersonic combustion experimental bench | |
| CN208689036U (en) | The mobile liquid carbon dioxide fire-fighting experimental provision of Petroleum Storage Tank | |
| CN107084894A (en) | A kind of deep-sea oil gas pipeline low temperature explosion bulge test device | |
| CN208283037U (en) | A kind of tank leak Flash tank behavioral trait experiment test device | |
| CN111289564A (en) | Device and method for simulating heat transfer and flow rules in hot oil spraying and heating process of oil storage tank | |
| US20220208404A1 (en) | Experimental Facility and Method for Studying Jet Impact Characteristics at Core Outlet of Fast Reactor | |
| CN114999682B (en) | Passive residual heat hydraulic test device and method for polar environment nuclear power device | |
| CN206387588U (en) | A kind of leaking stoppage experiment system of LNG/NG pipeline leakages | |
| CN109323964B (en) | Pump circulation system capable of testing emulsion performance and method thereof | |
| CN205802069U (en) | Oil storage tank cooling sprayer | |
| CN110349685B (en) | Passive cooling structure suitable for floating reactor containment and design method thereof | |
| Ling et al. | Analysis of pipeline leakage alarm threshold in nuclear power plant | |
| CN209372637U (en) | A kind of pump circulation system that can test emulsion performance | |
| CN113063816A (en) | Test bench for researching thermal oscillation of central column of fast reactor plug | |
| CN113432901A (en) | Containment suppression heat extraction test system | |
| CN219142184U (en) | Water column motion state observation device in pressure regulating well of water regulating engineering | |
| CN207832452U (en) | A kind of experimental provision for strengthening cooling engine piston using nano-fluid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |