CN114664164A - Oil storage tank area fire simulation experiment platform - Google Patents
Oil storage tank area fire simulation experiment platform Download PDFInfo
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- CN114664164A CN114664164A CN202210185679.0A CN202210185679A CN114664164A CN 114664164 A CN114664164 A CN 114664164A CN 202210185679 A CN202210185679 A CN 202210185679A CN 114664164 A CN114664164 A CN 114664164A
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- 238000004088 simulation Methods 0.000 title claims abstract description 45
- 238000002474 experimental method Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000002485 combustion reaction Methods 0.000 claims description 28
- 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
- 239000007800 oxidant agent Substances 0.000 claims description 12
- 230000001590 oxidative effect Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 2
- 206010000369 Accident Diseases 0.000 abstract description 9
- 238000011160 research Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 9
- 238000011161 development Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000605 extraction 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
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000006399 behavior 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
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 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
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation 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
- 230000000191 radiation effect Effects 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
- 230000006641 stabilisation Effects 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
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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
- G09B9/00—Simulators for teaching or training purposes
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- 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 in an oil storage tank area, which comprises an embankment and a plurality of oil storage tanks arranged in the embankment, wherein at least one tank top of 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, the through hole is used for installing a pressure release valve and a pressure gauge, and a heating rod is arranged at the bottom in the oil storage tank. According to the invention, an entity fire experiment platform is built, the simulation analysis is carried out on the fire accident types of the oil storage tank generated by different pre-burning times and different factors, and the simulation result of the experiment platform is used for summarizing and analyzing the characteristics of the fire accident and the fire extinguishing difficulty, so that the repeated fire accident of the oil storage tank is real and reliable, and has better practicability in the aspect of fire fighting research.
Description
Technical Field
The invention relates to the field of fire safety of oil storage tanks, in particular to a fire simulation experiment platform for an oil storage tank area.
Background
The oil storage tank stores a large amount of flammable and explosive dangerous goods, and once the oil storage tank is broken and burnt, the oil storage tank can bring huge damage to the surrounding environment and facilities. The oil storage tank not only can take place boiling over, splash and explosion, and under the thermal radiation impact of jar high temperature flame that catches fire, adjacent oil storage tank structure can receive destruction, and the strong radiation effect that flame produced can lead to the jar body to burst and combustible vapor reveals, influences the safety of adjacent oil storage tank, in case cause adjacent jar body explosion to catch fire, often can take place chain reaction, causes more violent conflagration.
Aiming at the working condition of the oil storage tank, an entity fire test platform is built to carry out experimental research on the oil storage tank, the fire development and the fire fighting process are simulated, the fire development process and the influence on peripheral equipment are predicted, the fire temperature and the smoke diffusion rule when a fire disaster occurs are obtained, and the method can be used for research, development and improvement of fire fighting technologies and equipment. At present, the research on fire disasters in large storage tank areas is relatively lacked, relevant experimental data are few, the rationality of fire-proof intervals is still to be studied deeply, and the existing fire-fighting measures and capabilities are difficult to play an effective fire-proof and extinguishing role. The method has the advantages that the flame evolution rule after the oil tank is broken and ignited is explored, the thermal behaviors of other oil tanks exposed in the fire are estimated, certain theoretical and experimental data support can be provided for preventing the actual storage tank fire accident and formulating a reasonable fire prevention interval, and the method has great practical significance.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems, the invention aims to provide an oil storage tank area fire simulation experiment platform, which realizes simulation analysis of multiple oil storage tank fire accident types by building a physical 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 dike and a plurality of oil storage tanks arranged in the dike, wherein at least one tank top of 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, the through hole is used for installing a pressure release valve and a pressure gauge, and a heating rod is arranged at the bottom in the oil storage tank.
Further, the experiment platform includes an oil storage tank at least, and rotary device is installed to the below of this oil storage tank, and this oil storage tank is uncovered, and this oil storage tank inner wall sets up ignition electrode, and rotary device connects the motor.
Further, the experiment platform includes an oil storage tank at least, and a row of hole is opened along vertical direction to the lateral wall of this oil storage tank, and every hole is provided with the pipeline that has electric valve outward, sets up the oil bath in the oil storage tank outside, and the oil bath sets up in trompil one side, and the oil bath peak is less than ground.
Further, an oil injection system is arranged outside the enclosing dike and is connected with the pipeline to the oil storage tank.
Further, the experiment platform includes an oil storage tank at least, and this oil storage tank is as the cupping jar and for uncovered, and the oil storage tank around the cupping jar is enclosed construction, sets up the irrigation canals and ditches as revealing the oil trickling route between cupping jar and adjacent oil storage tank.
Further, the experiment platform at least comprises a closed oil storage tank, a pressure release valve is installed at the top end of the oil storage tank, the pressure release valve and the contact part of the top end of the pressure release valve are provided with a pipeline, and the pressure release valve is arranged in the pipeline.
Furthermore, an accident oil pool is arranged outside the dike, the bottom of the oil storage tank is connected with an oil discharge pipeline to the accident oil pool, and an opening at the side part of the oil storage tank is connected with a gas 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 part and the upper part of the liquid level of the oil storage tank, the feeding bins are connected with the oil storage tank through a second pipeline, and the second pipeline extends to the lower part of the liquid level of the oil storage tank; all set up the valve on first pipeline and the second pipeline, central control module is connected with the valve, the switch of control valve.
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, an oxidant is stored in the first feeding bin, water at the temperature of 100 ℃ is stored in the second feeding bin and is continuously heated to keep the temperature of the water unchanged, and the feeding bin is connected with the central control module; a weighing device is arranged below the feeding bin and is connected with the central control module.
Further, the central control module gathers the weight change data of oil storage tank and the weight of the oxidant of pay-off storehouse delivery, can obtain the burning rate of oil, and the central control cabinet is after the input combustion rate of setting for, and the burning rate of the oil in the intelligent regulation oil storage tank makes it keep invariable, includes: when the combustion rate does not reach a 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 a set value, oxide conveying is stopped, liquid nitrogen is conveyed to cool the oil temperature, and the combustion rate is reduced.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: according to the invention, an entity fire experiment platform is built, the simulation analysis is carried out on the fire accident types of the oil storage tank generated by different pre-burning times and different factors so as to simulate real fire cases, the simulation result of the experiment platform is used for summarizing and analyzing the characteristics of the fire accident and the fire extinguishing difficulty, and the repeated fire accident of the oil storage tank is real and reliable and has better practicability in the aspect of fire fighting research; according to the fire simulation experiment platform, a plurality of fire extinguishing systems can be arranged to research the fire extinguishing efficiency of different fire extinguishing systems, analyze the influence rule of the different fire extinguishing systems on a temperature field, a thermal flow field and a smoke field in actual fire, determine the critical conditions of fire extinguishing, including fire extinguishing time, temperature, water consumption and the like, and provide a theoretical basis for improving the fire fighting technical level and reducing personnel and property loss caused by fire of a large-scale oil storage tank.
Drawings
FIG. 1 is a fixed roof storage tank fire simulator;
FIG. 2 is a fire cyclone simulation experiment device of an oil storage tank;
FIG. 3 is a simulation experiment device for the fire running of an oil storage tank;
FIG. 4 is a simulation experiment apparatus for the influence of an ignited oil storage tank on an adjacent storage tank;
FIG. 5 is a simulation experiment device for oil-gas leakage deflagration of an oil storage tank;
FIG. 6 is a simulation experiment apparatus for oil discharge and inert gas injection of an oil storage tank;
FIG. 7 is a schematic diagram of an experimental apparatus for controlling the burn rate of a storage tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments.
Example 1
The embodiment of the invention provides a fire simulation experiment platform for an oil storage tank area, which is used for simulating the situation that a fixed top oil storage tank generates fire. This simulation experiment platform structure sketch map is as shown in figure 1, including the dyke, the inside oil storage tank 3 that sets up of dyke, this oil storage tank 3's tank deck comprises two semicircles that the size is the same, two semicircle swing joint, wherein first semicircle is fixed at oil storage tank 3 tops, the second semicircle is rotatory around two semicircular connecting axles, set up a through-hole on the second semicircle, the through-hole is used for installing first relief valve 1 and manometer, the bottom is provided with the heating rod in the oil storage tank 3, this 3 inner walls of oil storage tank set up ignition electrode.
The oil storage tank 3 of the embodiment is used for simulating a fire of the fixed-roof oil storage tank, oil vapor can be formed above the liquid level in the oil storage tank 3, when the fire of the oil storage tank 3 is caused due to static electricity or lightning stroke and the like, the internal pressure of the oil storage tank 3 can be rapidly increased, the top of the oil storage tank 3 is cracked, jet combustion is formed, and the top is collapsed due to long-time combustion.
The top of this embodiment oil storage tank 3 comprises two semicircles, constitutes hinge formula mechanism, and one side semicircle of hinge 2 carries out rotation activity along the rotation axis, and one side of hinge 2 is provided with the through-hole, and first relief valve 1 and manometer are installed to through-hole department, and mobilizable semicircle top installation steel cable 4 can control the lift on this side semicircle tank deck through steel cable 4.
When simulating a crevasse fire at the top of the fixed-top oil storage tank 3, proper water needs to be injected into the oil storage tank 3, the heating rod arranged at the bottom of the oil storage tank 3 is used for heating, so that the liquid is boiled quickly, oil is taken out from the oil above the liquid level of the oil by oil vapor, and the splashing combustion fire is realized. Because the oil evaporation steam above the liquid level in the oil storage tank 3 gathers, utilize the ignition electrode to ignite, the pressure rise in the oil storage tank 3 after the ignition, first relief valve 1 opens, and the flame that burns is spouted in through-hole department.
The top of the oil storage tank 3 is simulated to collapse to burn a fire disaster, after flame jet combustion is carried out for a certain time, the steel rope 4 is loosened to enable the movable tank top to descend so as to simulate the tank top to collapse, the burning area of the fire disaster is increased, oil is brought out by oil steam from the upper side of the liquid level of the oil after bottom water is boiled, the splash burning fire disaster 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 oil storage tank area fire simulation experiment platform in the embodiment is used for simulating fire whirlwind of the oil storage tank. The simulation experiment platform in the embodiment is structurally shown in fig. 2, a rotating device 5 is installed below an oil storage tank 3, the oil storage tank 3 is open, 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.
Rotating device 5 is a rotatable circular carousel, and is rotatory through the circular carousel of motor control, and then drives oil storage tank 3 and rotate, ignites the oil when the experiment begins, starts rotating device 5 after the combustion stabilization, observes experimental phenomenon.
The 3 district of oil storage tank arouses many jars of body burning after taking place the conflagration easily, and the fire source figure increases, forms fire whirlwind in the middle of the fire source, and burning strength increases, simulates through the simulation experiment platform in this embodiment for research different rotation rates are to the influence of conflagration development, are used for researching the difficult point of putting out a fire of fire extinguishing systems to fire whirlwind, provide data support for the research of fire extinguishing strategy.
Example 3
The oil storage tank area fire simulation experiment platform is used for simulating flowing combustion fire of the oil storage tank. The structural schematic diagram 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 in the vertical direction, an electric valve pipeline 6 is arranged outside each hole, an oil pool is arranged outside the oil storage tank 3, the oil pool is arranged on one side of the hole, and the highest point of the oil pool is lower than the ground.
In this embodiment, one side at oil storage tank 3 is opened a row of hole along vertical direction, and quantity is 8, outwards extends the pipeline, and the export pipe diameter passes through the adapter adjustment, controls the switch of pipeline through the electric valve.
Before the simulation experiment, according to the conflagration of the different liquid level condition of simulation, corresponding liquid level is filled to in oil storage tank 3. During the experiment, light the little oil bath, open single or a plurality of electrically operated valve and come the different positions to break the oil leak, meet the naked light burning. The experiment platform of this embodiment can simulate the conflagration burning that the oil storage tank multiple spot broke and form, through the different size of breaking the position and breaking the hole of studying the oil storage tank to revealing the influence of conflagration development process, analysis conflagration development time provides the foundation for the treatment of fire accident.
Example 4
The fire simulation experiment platform for the oil storage tank area is used for simulating the adjacent oil storage tanks to be ignited by the ignition tanks. The structural schematic diagram of the simulation experiment platform of this embodiment is shown in fig. 4, and in this embodiment, an oiling system is installed outside the dike, and the connecting pipeline is connected to the oil storage tank 3. 6 oil storage tanks are arranged in the dike, wherein one oil storage tank 3 is set as a fire tank and is open, other oil storage tanks around the fire tank are of a closed structure, and a ditch 7 is arranged between the fire tank and the adjacent oil storage tank and is used as a leaked oil product flowing path, so that the adjacent oil storage tanks 3 are ignited according to a design scheme.
The combustion of the ignition pot can cause strong heat radiation, and the wall structure of the adjacent oil storage tank 3 can deform and easily burn in a long-time fire environment. The fire prevention interval that current standard specification given all considers for jar internal portion burning, does not consider the adjacent oil storage tank 3 of trickle fire direct contact, and the simulation experiment platform of this embodiment can provide the basis for the design of keeping off for the independent jar body in fire prevention interval and the embankment.
Example 5
The oil storage tank area fire simulation experiment platform in the embodiment is used for simulating an oil storage tank gas diffusion fire. The simulation experiment platform of this embodiment, the schematic structure diagram is shown in fig. 5, and oil storage tank 3 in this embodiment is airtight setting, and second relief valve 8 is installed on its top, and second relief valve 8 sets up pipeline 9 with the contact part on top, and second relief valve 8 sets up in pipeline 9. To facilitate observation of the flame propagation phenomena, the duct is transparent.
Combustible gas is filled in the oil storage tank 3 to ensure the oil storage tank 3 to be closed, the second pressure release valve 8 is opened after the experiment begins to enable the gas to leak, and the gas is ignited at the outlet of the pipeline 9 to be combusted. The present example simulates the diffusion combustion of combustible gases and is useful for studying the effect of different gases, different leakage rates on diffusion combustion and for studying the risk of fire from external diffusion combustion in the storage tank 3.
Example 6
The oil storage tank area fire simulation experiment platform in the embodiment is used for simulating oil discharge and inert gas injection of the oil storage tank. The simulation experiment platform of the embodiment is shown in fig. 6, in the embodiment, an emergency oil pool 12 is arranged outside the dike, the bottom of the oil storage tank 3 is connected with an oil discharge pipeline to the emergency oil pool 12, an opening at the side of the oil storage tank 3 is connected with an air injection pipeline, and inert gas is delivered into the oil storage tank 3 through an air delivery device 10. The oil storage tank 3 is a fixed top, and a pressure release valve is arranged at the top of the oil storage tank.
Oil is filled in the oil storage tank 3, the pressure release valve is opened, the oil in the oil storage tank 3 is ignited by the ignition electrode, after the oil is combusted for a period of time, the valve 11 of the oil discharge pipeline is opened to discharge the oil, the gas transmission device 10 is opened, and inert gas is injected into the oil storage tank 3 to extinguish the fire.
This embodiment simulation experiment platform can be used to study inert gas and to the effect of stifling of burning, in addition through changing oil extraction rate for the research is at the oil extraction in-process, and the influence of oil liquid level decline gradually to the burning.
Example 7
The oil storage tank area fire simulation experiment platform in the embodiment is used for simulating the control of the combustion rate of the oil storage tank. The simulation experiment platform of the embodiment has the structure schematic diagram 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 to the lower part and the upper part of the liquid level of the oil storage tank 3, the feeding bins are connected with the oil storage tank 3 through a second pipeline, and the second pipeline extends to the lower part of 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 valves to be opened and closed. 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.
An oxidant is stored in the first feeding bin 16, water at the temperature of 100 ℃ is stored in the second feeding bin 17 and is continuously heated to keep the temperature of the water unchanged, and the feeding bins are 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 dibenzoyl oxide, potassium chlorate, nitrate, sodium dichromate, potassium dichromate and potassium permanganate.
An oxidant is injected below the liquid level of the oil storage tank 3 through a pipeline, oil products are combusted after ignition, the interior of the oil storage tank 3 is kept continuously combusted, and the central control module 20 acquires weight change data of the oil storage tank 3 and the weight of the oxidant sent out by the feeding bin, so that the combustion rate of the oil products can be obtained. After the set burning rate is input, the central control module 20 can intelligently adjust the burning rate of the oil in the oil storage tank 3 to be kept constant. When the combustion rate does not reach the set value, the method automatically conveys the oxidant into the oil storage tank 3, so that the internal combustion is increased, and the combustion rate is accelerated. When the combustion rate is higher than the set value, the delivery of the oxidant and the delivery of liquid nitrogen are stopped, and the combustion rate is reduced.
In addition, after the analog boiling over instruction is input, the feeding bin can be controlled to feed water of 100 ℃ into the oil storage tank 3. In the combustion state of the oil storage tank 3, water can be boiled and vaporized rapidly, and water vapor rises from the bottom of the oil storage tank 3 to carry oil products to splash, so that a boiling-over combustion state is formed.
Claims (10)
1. The utility model provides an oil storage tank district conflagration simulation experiment platform, a serial communication port, including the dyke to and set up a plurality of oil storage tanks in the inside of dyke, the tank deck that has an oil storage tank at least comprises two semicircles that the size is the same, two semicircle swing joint, and wherein first semicircle is fixed at the oil storage tank top, and the second semicircle is rotatory around two semicircular connecting axles, sets up a through-hole on the second semicircle, and the through-hole is used for installing relief valve and manometer, and the bottom is provided with the heating rod in the oil storage tank.
2. The fire experiment platform of the oil storage tank area according to claim 1, characterized in that at least one rotating device (5) is installed 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 (5) is connected with a motor.
3. A fire simulation experiment platform in an oil storage tank area according to claim 1, wherein a row of holes are formed in the side wall of at least one oil storage tank in the vertical direction, a pipeline with an electric valve is arranged outside each hole, an oil pool is arranged outside the oil storage tank, the oil pool is arranged on one side of the holes, and the highest point of the oil pool is lower than the ground.
4. The fire simulation experiment platform for the oil storage tank area as claimed in claim 3, wherein an oil injection system is installed outside the dike and is connected with the pipeline to the oil storage tank.
5. The storage tank area fire simulation experiment platform of claim 1, wherein at least one storage tank is used as a fire tank and is open, the storage tank around the fire tank is of a closed structure, and a ditch (7) is arranged between the fire tank and the adjacent storage tank.
6. The fire simulation experiment platform for the oil storage tank area according to claim 1, characterized by comprising at least one closed oil storage tank, wherein a pressure release valve is installed at the top end of the oil storage tank, a pipeline (9) is arranged at the contact part of the pressure release valve and the top end, and the pressure release valve is arranged in the pipeline (9).
7. The fire simulation experiment platform for the oil storage tank area is characterized in that an accident oil pool (12) is arranged outside the dike, an oil discharge pipeline is connected to the bottom of the oil storage tank (12), an air injection pipeline is connected to an opening in the side of the oil storage tank, and the air injection pipeline is connected with an air transmission device (10).
8. The fire simulation experiment platform in the oil storage tank area according to claim 1, wherein a liquid nitrogen bottle group (13), a central control module and two feeding bins are arranged outside the 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 part and the upper part of the liquid level of the oil storage tank, the feeding bins are connected with the oil storage tank through a second pipeline, and the second pipeline extends to the lower part of the liquid level of the oil storage tank; the first pipeline and the second pipeline are both provided with valves, and the central control module (20) is connected with the valves.
9. The storage tank area fire simulation experiment platform according to claim 8, wherein a weighing device (21) is arranged below the 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).
10. The fire simulation experiment platform for the oil storage tank area according to claim 9, wherein an oxidant is stored in the first feeding bin (16), water at 100 ℃ is stored in the second feeding bin (17) and is continuously heated to keep the temperature of the water constant, and the feeding bins are 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 burning rate, the burning rate of oil in the oil tank is intelligently adjusted to keep the oil constant, and the method comprises the following steps: when the combustion rate does not reach a set value, automatically delivering an oxidant into the oil storage tank; and when the combustion rate is higher than a set value, stopping conveying the oxidant, conveying liquid nitrogen to cool the oil temperature, and reducing the combustion rate.
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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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| CN202210185679.0A CN114664164B (en) | 2022-02-28 | 2022-02-28 | Oil storage tank area fire simulation experiment platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115792084A (en) * | 2022-11-10 | 2023-03-14 | 中国矿业大学(北京) | Device for simulating fire extinguishing and re-burning of storage tanks with different liquid levels and heights |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN114664164B (en) | 2024-07-09 |
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