CN114664164B - Oil storage tank area fire simulation experiment platform - Google Patents
Oil storage tank area fire simulation experiment platform Download PDFInfo
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- CN114664164B CN114664164B CN202210185679.0A CN202210185679A CN114664164B CN 114664164 B CN114664164 B CN 114664164B CN 202210185679 A CN202210185679 A CN 202210185679A CN 114664164 B CN114664164 B CN 114664164B
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- 238000004088 simulation Methods 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007800 oxidant agent Substances 0.000 claims description 12
- 230000001590 oxidative effect Effects 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 16
- 206010000369 Accident Diseases 0.000 abstract description 9
- 238000011160 research Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 10
- 238000010304 firing Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- CHIHQLCVLOXUJW-UHFFFAOYSA-N benzoic anhydride Chemical compound C=1C=CC=CC=1C(=O)OC(=O)C1=CC=CC=C1 CHIHQLCVLOXUJW-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fire simulation experiment platform for an oil storage tank area, which comprises a dike and a plurality of oil storage tanks arranged in the dike, wherein the tank top of at least one oil storage tank consists of two semicircles with the same size, the two semicircles are movably connected, the first semicircle is fixed at the top of the oil storage tank, the second semicircle rotates around a connecting shaft of the two semicircles, a through hole is formed in the second semicircle and is used for installing a pressure relief valve and a pressure gauge, and a heating rod is arranged at the inner bottom of the oil storage tank. According to the invention, the entity fire experiment platform is built, the fire accident types of the oil storage tank generated by different pre-burning time and different factors are simulated and analyzed, and the fire accident characteristics and the fire extinguishing difficulty are summarized and analyzed according to the simulation results of the experiment platform, so that the repeated fire accident of the oil storage tank is real and reliable, and the experiment platform has good practicability in the aspect of fire fighting research.
Description
Technical Field
The invention relates to the field of fire disaster safety of oil storage tanks, in particular to a fire disaster simulation experiment platform for an oil storage tank area.
Background
The oil storage tank stores a large amount of inflammable and explosive dangerous articles, and once the oil tank is broken and burned, huge damage can be brought to surrounding environment and facilities. The oil storage tank can not only boil over, splash and explosion, under the heat radiation impact of the high-temperature flame of the ignition tank, the structure of the adjacent oil storage tank can be damaged, the strong radiation effect generated by the flame can possibly lead to the explosion of the tank body and the leakage of combustible steam, the safety of the adjacent oil storage tank is affected, and once the explosion of the adjacent tank body is initiated to fire, the chain reaction can often occur, and a violent fire disaster is initiated.
According to the working conditions of the oil storage tank, an entity fire test platform is built for oil storage tank experimental research, fire development and fire extinguishing processes are simulated, the fire development process and the influence on peripheral equipment are predicted, the fire temperature and smoke diffusion law when a fire occurs are obtained, and the method can be used for research and development improvement of fire-fighting technology and equipment. At present, the research on fire disasters in large storage tank areas is relatively lacking, related experimental data are relatively less, the rationality of fire prevention intervals is still to be studied deeply, and the effective fire prevention and extinguishing effect is difficult to achieve by the existing fire prevention measures and capabilities. The flame evolution law after the oil tank breaks down and fires is explored, the thermal behaviors of other oil tanks exposed to fire are estimated, a certain theoretical and experimental data support can be provided for preventing the fire accident of the actual storage tank and making reasonable fireproof intervals, and the method has great practical significance.
Disclosure of Invention
The invention aims to: aiming at the problems, the invention aims to provide the fire simulation experiment platform for the oil storage tank area, and the simulation analysis of various oil storage tank fire accident types is realized by constructing the entity fire experiment platform.
The technical scheme is as follows: the invention discloses a fire simulation experiment platform for an oil storage tank area, which comprises a dyke and a plurality of oil storage tanks arranged in the dyke, wherein the tank top of at least one oil storage tank consists of two semicircles with the same size, the two semicircles are movably connected, the first semicircle is fixed at the top of the oil storage tank, the second semicircle rotates around a connecting shaft of the two semicircles, a through hole is formed in the second semicircle and is used for installing a pressure relief valve and a pressure gauge, and a heating rod is arranged at the inner bottom of the oil storage tank.
Further, the experiment platform at least comprises an oil storage tank, a rotating device is arranged below the oil storage tank, the oil storage tank is open, an ignition electrode is arranged on the inner wall of the oil storage tank, and the rotating device is connected with a motor.
Further, the experiment platform at least comprises an oil storage tank, a row of holes are formed in the side wall of the oil storage tank along the vertical direction, a pipeline with an electric valve is arranged outside each hole, an oil tank is arranged outside the oil storage tank, the oil tank is arranged on one side of the opening, and the highest point of the oil tank is lower than the ground.
Further, install oiling system outside the dyke, connecting line to the oil storage tank.
Further, the experiment platform at least comprises an oil storage tank which is used as a firing tank and is open, the oil storage tank around the firing tank is of a closed structure, and a ditch is arranged between the firing tank and the adjacent oil storage tank to serve as a leakage oil product flowing path.
Further, the experiment platform at least comprises a closed oil storage tank, a pressure relief valve is arranged at the top end of the oil storage tank, a pipeline is arranged at the contact part between the pressure relief valve and the top end, and the pressure relief valve is arranged in the pipeline.
Furthermore, an accident oil pool is arranged outside the dyke, the bottom of the oil storage tank is connected with an oil discharge pipeline to the accident oil pool, and the side part of the oil storage tank is provided with a hole and is connected with an air injection pipeline.
Further, a liquid nitrogen bottle group, a central control module and two feeding bins are arranged outside the oil storage tank, the liquid nitrogen bottle group is connected with the oil storage tank through two first pipelines, the two first pipelines respectively extend to the lower side and the upper side of the liquid level of the oil storage tank, the feeding bins are connected with the oil storage tank through second pipelines, and the second pipelines extend to the lower side of the liquid level of the oil storage tank; valves are arranged on the first pipeline and the second pipeline, and the central control module is connected with the valves to control the opening and closing of the valves.
Further, a weighing device is arranged below the oil storage tank and connected with a central control module, and the central control module receives weight data transmitted by the weighing device.
Further, oxidant is stored in the first feeding bin, water at 100 ℃ is stored in the second feeding bin, the water is continuously heated to keep the water temperature unchanged, and the feeding bin is connected with the central control module; a weighing device is arranged below the feeding bin and connected with the central control module.
Further, central control module gathers oil storage tank weight variation data and the weight that the feeding storehouse sent out the oxidant, can obtain the burning rate of oil, and central control cabinet is after the input sets for the burning rate, and intelligent regulation oil storage tank internal oil's burning rate makes it keep invariable, includes: when the combustion rate does not reach the set value, an oxidant is automatically conveyed into the oil storage tank, so that internal combustion is increased, and the combustion rate is accelerated; when the combustion rate is higher than the set value, the oxide delivery is stopped, the liquid nitrogen cooling oil temperature is delivered, and the combustion rate is reduced.
The beneficial effects are that: compared with the prior art, the invention has the remarkable advantages that: according to the invention, the entity fire experiment platform is built, the fire accident types of the oil storage tank generated by different pre-burning time and different factors are simulated and analyzed to simulate real fire cases, and the fire accident characteristics and the fire extinguishing difficulties are summarized and analyzed according to the simulation results of the experiment platform, so that the repeated fire accident of the oil storage tank is real and reliable, and the experiment platform has good practicability in the aspect of fire fighting research; according to the fire simulation experiment platform, a plurality of fire extinguishing systems can be arranged for researching the fire extinguishing efficiency of different fire extinguishing systems, analyzing the influence rules of different fire extinguishing systems on a temperature field, a heat flow field and a smoke field in actual fire, determining the critical conditions of fire extinguishing, including fire extinguishing time, temperature, water consumption and the like, and providing theoretical basis for improving the fire extinguishing technology level and reducing personnel and property loss caused by large-scale oil tank fire.
Drawings
FIG. 1 is a schematic illustration of a fixed roof tank fire simulator;
FIG. 2 is a schematic diagram of a simulated oil tank fire cyclone experiment device;
FIG. 3 is a schematic illustration of a simulated experiment device for a trickle fire of an oil storage tank;
FIG. 4 is a simulation experiment device of the influence of an ignition oil storage tank on an adjacent storage tank;
FIG. 5 is a schematic diagram of an oil tank oil and gas leakage deflagration simulation experiment device;
FIG. 6 is a simulated experimental device for oil drainage and inert gas injection of an oil storage tank;
FIG. 7 is an experimental set-up for controlling the burn rate of an oil storage tank.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent.
Example 1
The fire simulation experiment platform for the oil storage tank area is used for simulating the fire situation of the fixed-roof oil storage tank. The schematic structural diagram of the simulation experiment platform is shown in fig. 1, the simulation experiment platform comprises a dyke, an oil storage tank 3 is arranged in the dyke, the tank top of the oil storage tank 3 is composed of two semicircles with the same size, the two semicircles are movably connected, a first semicircle is fixed at the top of the oil storage tank 3, a second semicircle rotates around a connecting shaft of the two semicircles, a through hole is formed in the second semicircle and is used for installing a first pressure relief valve 1 and a pressure gauge, a heating rod is arranged in the bottom of the oil storage tank 3, and an ignition electrode is arranged on the inner wall of the oil storage tank 3.
The oil storage tank 3 of this embodiment is used for simulating fixed top oil storage tank conflagration, and the liquid level top can form the oil steam in the oil storage tank 3, and when the conflagration of oil storage tank 3 is triggered because of static or thunderbolt etc. causes, the inside pressure of oil storage tank 3 can rise rapidly, leads to the oil storage tank 3 top to appear breaking, forms the jet combustion, can arouse the top after long-time burning and subsides.
The top of this embodiment oil storage tank 3 comprises two semicircles, constitutes hinge formula mechanism, and the semicircle of one side of hinge 2 carries out rotary motion along the rotation axis, and one side of hinge 2 is provided with the through-hole, and through-hole department installs first relief valve 1 and manometer, and mobilizable semicircle top installation steel cable 4 can be through the lift of this side semicircle tank top of steel cable 4 control.
When the fire disaster is simulated and fixed to the top of the oil storage tank 3, the oil needs to be injected into the oil storage tank 3, then a proper amount of water is injected, and the oil is heated through the heating rod arranged at the bottom of the oil storage tank 3, so that the liquid is boiled rapidly, oil vapor is brought out of the oil product from the upper part of the oil product liquid level, and the splash combustion fire disaster is realized. The oil product above the liquid level inside the oil storage tank 3 is evaporated and vapor is gathered, the ignition electrode is used for ignition, the pressure in the oil storage tank 3 rises after the ignition, the first pressure relief valve 1 is opened, and the flame of combustion is ejected from the through hole.
After the top of the oil storage tank 3 is simulated to collapse and burn for a certain time, the steel rope 4 is loosened to enable the movable tank top to descend, so that the tank top is simulated to collapse, the burning area of the fire is increased, oil vapor brings oil out of the oil liquid surface from above after bottom water boils, the splashing burning fire is simulated, the internal oil is prevented from being heated to the boiling point of the oil, the heating time is shortened, and the risk is reduced.
Example 2
The fire simulation experiment platform for the oil storage tank area is used for simulating fire whirlwind of the oil storage tank. In the simulation experiment platform in this embodiment, as shown in fig. 2, a rotating device 5 is installed below the oil storage tank 3, the oil storage tank 3 is opened, an ignition electrode is arranged on the inner wall of the oil storage tank 3, and the rotating device 5 is connected with a motor.
The rotating device 5 is a rotatable round turntable, the round turntable is controlled to rotate through a motor, the oil storage tank 3 is driven to rotate, oil is ignited at the beginning of an experiment, the rotating device 5 is started after stable combustion, and experimental phenomena are observed.
The oil storage tank 3 district fires the back and causes the burning of many jar bodies easily, and the number of fire source increases, forms fire whirlwind in the middle of the fire source, and combustion strength increases, simulate through the simulation experiment platform in this embodiment for research different rotation rate is to the influence of fire development, is used for studying the fire extinguishing system to the fire difficulty of fire whirlwind, provides data support for fire extinguishing strategy research.
Example 3
The embodiment of the fire simulation experiment platform for the oil storage tank area is used for simulating flowing and burning fires of the oil storage tank. The schematic structure of the simulation experiment platform in this embodiment is shown in fig. 3. In this embodiment, a row of holes are formed in the side wall of the oil storage tank 3 along the vertical direction, an electric valve pipeline 6 is arranged outside each hole, an oil tank is arranged outside the oil storage tank 3, the oil tank is arranged on one side of the hole, and the highest point of the oil tank is lower than the ground.
In this embodiment, a row of holes are formed on one side of the oil storage tank 3 along the vertical direction, the number of the holes is 8, the pipes extend outwards, the pipe diameter of the outlet is adjusted through an adapter, and the opening and closing of the pipes are controlled through an electric valve.
Before the simulation experiment, according to the fire disaster simulating different liquid level conditions, the oil storage tank 3 is filled with oil to the corresponding liquid level. In the experiment, the small oil pool is ignited, and a single or a plurality of electric valves are opened to simulate cracking and oil leakage at different positions and burn when encountering open fire. The experimental platform of the embodiment can simulate fire combustion formed by multipoint cracking of the oil storage tank, and the fire development time is analyzed by researching the influence of different cracking positions of the oil storage tank and the size of the cracking holes on the development process of the leaked fire, so that a basis is provided for fire accident treatment.
Example 4
The fire simulation experiment platform for the oil storage tank area is used for simulating ignition of adjacent oil storage tanks by the ignition tank. The schematic structural diagram of the simulation experiment platform of this embodiment is shown in fig. 4, and an oiling system is installed outside the dike in this embodiment, and a pipeline is connected to the oil storage tank 3. The 6 oil storage tanks are arranged in the dyke, wherein one oil storage tank 3 is set as a firing tank and is open, other oil storage tanks around the firing tank are of a closed structure, and a ditch 7 is arranged between the firing tank and the adjacent oil storage tank as a leakage oil product flowing path, so that the adjacent oil storage tank 3 is ignited according to a design scheme.
The burning of the ignition tank causes intense heat radiation, and the tank wall structure of the adjacent oil storage tank 3 is deformed and is easy to burn in a long-time fire environment. The fire prevention interval that current standard specification gave all considers for the internal combustion of jar, does not consider to flow fire direct contact adjacent oil storage tank 3, and the simulation experiment platform of this embodiment can provide the basis for the individual jar body in fire prevention interval and the dyke encloses the fender design.
Example 5
The fire simulation experiment platform for the oil storage tank area is used for simulating the gas diffusion fire of the oil storage tank. The schematic structural diagram of the simulation experiment platform of the embodiment is shown in fig. 5, the oil storage tank 3 in the embodiment is in a closed arrangement, the top end of the oil storage tank is provided with a second pressure relief valve 8, a pipeline 9 is arranged at the contact part between the second pressure relief valve 8 and the top end, and the second pressure relief valve 8 is arranged in the pipeline 9. To facilitate observation of flame propagation, the conduit is transparent.
The oil storage tank 3 is filled with combustible gas, the tightness of the oil storage tank 3 is ensured, the second pressure release valve 8 is opened after the experiment is started, the gas is leaked, and the gas is ignited at the outlet of the pipeline 9, so that the gas is combusted. The embodiment can simulate the diffusion combustion of combustible gas, and is used for researching the influence of different gases and different leakage rates on the diffusion combustion and researching the fire risk of external diffusion combustion on the inside of the oil storage tank 3.
Example 6
The fire simulation experiment platform for the oil storage tank area is used for simulating oil discharge of the oil storage tank and injecting inert gas. The schematic structure of the simulation experiment platform of this embodiment is shown in fig. 6, in this embodiment, an accident oil pool 12 is arranged outside the dyke, the bottom of the oil storage tank 3 is connected with an oil drain pipeline to the accident oil pool 12, the side part of the oil storage tank 3 is provided with a hole and is connected with an air injection pipeline, and inert gas is conveyed into the oil storage tank 3 through a gas conveying device 10. The oil storage tank 3 is a fixed roof, and a pressure relief valve is arranged at the top.
The oil is filled in the oil storage tank 3, a pressure relief valve is opened, the oil in the oil storage tank 3 is ignited by an ignition electrode, after the oil is combusted for a period of time, a valve 11 of an oil discharge pipeline is opened to discharge oil, a gas transmission device 10 is opened, and inert gas is injected into the oil storage tank 3 to extinguish the fire.
The simulation experiment platform can be used for researching the choking effect of inert gas on combustion, and in addition, the simulation experiment platform is used for researching the influence of gradual drop of the liquid level of oil on combustion in the oil discharge process by changing the oil discharge rate.
Example 7
The fire simulation experiment platform for the oil storage tank area is used for simulating the control of the combustion rate of the oil storage tank. The schematic structure of the simulation experiment platform is shown in fig. 7, a liquid nitrogen bottle group 13, a central control module 20 and two feeding bins 16 and 17 are arranged outside an oil storage tank 3, the liquid nitrogen bottle group 13 is connected with the oil storage tank 3 through two first pipelines, the two first pipelines respectively extend below and above the liquid level of the oil storage tank 3, the feeding bins are connected with the oil storage tank 3 through second pipelines, and the second pipelines extend below the liquid level of the oil storage tank 3; valves 14, 15, 18 and 19 are arranged on the first pipeline and the second pipeline, and a central control module 20 is connected with the valves and controls the opening and closing of the valves. A weighing device 21 is arranged below the oil storage tank 3, the weighing device 21 is connected with a central control module 20, and the central control module 20 receives weight data transmitted by the weighing device 21.
The first feeding bin 16 stores oxidant, the second feeding bin 17 stores water at 100 ℃ and continuously heats the water to keep the water temperature unchanged, and the feeding bin is connected with the central control module 20; a weighing device is arranged below the feeding bin and is connected with the central control module 20. The oxidant can be selected from any one of dibenzoyl oxide, potassium chlorate, nitrate, sodium dichromate, potassium dichromate and potassium permanganate.
The oxidant is injected into the lower part of the liquid surface of the oil storage tank 3 through a pipeline, oil combustion is realized after ignition, the inside of the oil storage tank 3 is kept to continuously burn, the central control module 20 collects the weight change data of the oil storage tank 3 and the weight of the oxidant sent out by the feeding bin, and the combustion rate of the oil can be obtained. After the central control module 20 inputs the set combustion rate, it can intelligently adjust the combustion rate of the oil in the oil storage tank 3 to be constant. When the combustion rate does not reach the set value, the method automatically conveys the oxidant into the oil storage tank 3, increases internal combustion and accelerates the combustion rate. When the combustion rate is higher than the set value, the oxidant is stopped from being delivered and the liquid nitrogen is delivered, so that the combustion rate is reduced.
In addition, after the simulated boiling-over command is input, the feed bin can be controlled to feed water at 100 ℃ into the oil storage tank 3. In the combustion state of the oil storage tank 3, water can be boiled rapidly and then vaporized, and water vapor rises from the bottom of the oil storage tank 3 and carries oil splash to form a boiling-over combustion state.
Claims (6)
1. The fire simulation experiment platform for the oil storage tank area is characterized by comprising a dike and a plurality of oil storage tanks arranged in the dike, wherein the tank top of at least one oil storage tank consists of two semicircles with the same size, the two semicircles are movably connected, the first semicircle is fixed at the top of the oil storage tank, the second semicircle rotates around the connecting shaft of the two semicircles, a through hole is formed in the second semicircle and is used for installing a pressure relief valve and a pressure gauge, and a heating rod is arranged at the inner bottom of the oil storage tank;
The device at least comprises a rotating device (5) arranged below an oil storage tank, the oil storage tank is open, an ignition electrode is arranged on the inner wall of the oil storage tank, and the rotating device (5) is connected with a motor;
the method comprises the steps that a liquid nitrogen bottle group (13), a central control module and two feeding bins are arranged outside an oil storage tank, the liquid nitrogen bottle group (13) is connected with the oil storage tank through two first pipelines, the two first pipelines respectively extend to the lower side and the upper side of the liquid level of the oil storage tank, the feeding bins are connected with the oil storage tank through second pipelines, and the second pipelines extend to the lower side of the liquid level of the oil storage tank; valves are arranged on the first pipeline and the second pipeline, and the central control module (20) is connected with the valves;
A weighing device (21) is arranged below the oil storage tank, the weighing device (21) is connected with a central control module (20), and the central control module (20) receives weight data transmitted by the weighing device (21);
The first feeding bin (16) stores oxidant, the second feeding bin (17) stores water at 100 ℃ and continuously heats the water to keep the water temperature unchanged, and the feeding bin is connected with the central control module (20); a weighing device is arranged below the feeding bin and is connected with a central control module (20);
After the central control module (20) inputs the set combustion rate, the combustion rate of the oil in the oil tank is intelligently adjusted to be constant, and the central control module comprises: when the combustion rate does not reach the set value, automatically conveying an oxidant into the oil storage tank; and when the combustion rate is higher than a set value, stopping conveying the oxidant, conveying the liquid nitrogen cooling oil temperature, and reducing the combustion rate.
2. The fire simulation experiment platform for the oil storage tank area according to claim 1, wherein the fire simulation experiment platform at least comprises a row of holes formed in the side wall of the oil storage tank along the vertical direction, a pipeline with an electric valve is arranged outside each hole, an oil tank is arranged outside the oil storage tank, the oil tank is arranged on one side of the opening, and the highest point of the oil tank is lower than the ground.
3. The fire simulation experiment platform for the oil storage tank area according to claim 2, wherein an oiling system is arranged outside the surrounding dike, and a pipeline is connected to the oil storage tank.
4. The fire simulation experiment platform of the oil storage tank area according to claim 1, wherein at least one oil storage tank is used as a fire tank and is open, the oil storage tank around the fire tank is of a closed structure, and a ditch (7) is arranged between the fire tank and the adjacent oil storage tank.
5. The oil storage tank zone fire simulation experiment platform according to claim 1, comprising at least one closed oil storage tank, wherein a pressure relief valve is arranged at the top end of the oil storage tank, a pipeline (9) is arranged at the contact part of the pressure relief valve and the top end, and the pressure relief valve is arranged in the pipeline (9).
6. The fire simulation experiment platform for the oil storage tank area according to claim 5, wherein an accident oil pool (12) is arranged outside the dyke, the bottom of the oil storage tank is connected with an oil drain pipeline to the accident oil pool (12), an opening on the side part of the oil storage tank is connected with an air injection pipeline, and the air injection pipeline is connected with an air transmission device (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210185679.0A CN114664164B (en) | 2022-02-28 | 2022-02-28 | Oil storage tank area fire simulation experiment platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210185679.0A CN114664164B (en) | 2022-02-28 | 2022-02-28 | Oil storage tank area fire simulation experiment platform |
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| CN114664164A CN114664164A (en) | 2022-06-24 |
| CN114664164B true CN114664164B (en) | 2024-07-09 |
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| CN115792084B (en) * | 2022-11-10 | 2023-08-04 | 中国矿业大学(北京) | Device for simulating fire extinguishment and reburning of storage tanks with different liquid levels |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331237A (en) * | 2017-08-17 | 2017-11-07 | 合肥依科普工业设备有限公司 | A kind of kidney-yang analog training device of internal floating roof tank fire and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100304424B1 (en) * | 1999-05-20 | 2001-10-29 | 박명호 | Pratice simulator of fire fighting for storage tank |
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