CN219328601U - Experimental platform for domino accident of tank farm - Google Patents
Experimental platform for domino accident of tank farm Download PDFInfo
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- CN219328601U CN219328601U CN202222613133.9U CN202222613133U CN219328601U CN 219328601 U CN219328601 U CN 219328601U CN 202222613133 U CN202222613133 U CN 202222613133U CN 219328601 U CN219328601 U CN 219328601U
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Abstract
The utility model relates to a domino accident experiment platform for a tank field. The experimental platform is mainly composed of a tank field community formed by a plurality of scaled storage tanks in equal proportion, a tank fire device, a variable frequency fan and related measuring instruments, wherein a plurality of sensors are installed on the inner wall surface and the outer wall surface of a single storage tank at equal intervals and equal angles and are used for measuring various parameters required by experiments. The experimental platform adopts an equal-proportion scaling mode, is easy to realize construction of tank areas with different scales, and has wide application scenes. In the beginning stage of the experiment, the research on the fire disaster of the tank area under different working condition backgrounds is realized by changing the position height of the tank fire device, the liquid level height of the storage medium, the wind power level of the variable frequency fan and the arrangement mode of a plurality of storage tanks. The utility model can provide guidance for the safety prevention and control work of the tank field under the domino effect.
Description
Technical Field
The utility model relates to a domino effect experimental platform for a tank farm, and belongs to the field of tank farm safety research.
Background
Along with the development of industry, the distribution of dangerous chemical storage tanks such as oil gas and the like presents the characteristics of large scale and large scale, and domino accidents occurring in tank areas are also increasing. Domino accidents are the most typical multi-disaster coupled disasters in the chemical industry, and fires are the most prominent accident scenario. When a fire disaster happens to one storage tank in the tank farm, heat radiation generated by the fire disaster causes the temperature of the wall surface and the internal storage medium of the surrounding storage tank to rise, the pressure in the tank to increase, and finally the surrounding storage tank is invalid, so that a chain fire accident is caused, and the accident is upgraded and the consequences are enlarged.
Disclosure of Invention
In view of the severity of domino accidents, the tank farm domino effect experimental platform disclosed by the utility model is innovated on the existing safety test platform layout. Through scaling the storage tanks of various types in equal proportion, then constructing a storage tank group, and evaluating the safety of the storage tank group under the influence of fire under the influence of wind and fire.
A domino accident experiment platform for a tank farm mainly comprises a plurality of storage tanks, safety valves, variable frequency fans, a data acquisition instrument, a computer, a pool fire device, a high-speed camera, a material strain three-dimensional measurement system, an infrared thermal imager and a plurality of sensors of various types, wherein the storage tanks, the safety valves, the variable frequency fans, the data acquisition instrument, the computer, the pool fire device, the high-speed camera, the material strain three-dimensional measurement system and the infrared thermal imager are scaled according to equal proportions. In the tank fire device, after the height is determined, the upper part of the lifting device is fastened with the fuel container by using a check bolt, the lower part of the lifting device is fixedly connected with the tank fire device protection outer wall by a bolt, and the height dimension of the tank fire device protection outer wall is the same as that of the tank body. When the lifting device reaches the maximum position, the upper end face of the fuel container and the upper end face of the protective outer wall of the pool fire device are positioned at the same height. The heat flow sensors, the first temperature sensor, the second temperature sensor and the pressure sensor are arranged on the two sides of the tank top and the tank body at equal intervals and at equal angles; the positions of the pressure sensor and the heat flow sensor at the inner side and the outer side of the storage tank are mutually corresponding. The heat flow sensor, the first temperature sensor, the second temperature sensor and the pressure sensor are connected to the data acquisition instrument; after a storage medium with a certain height is filled in the storage tank, the storage medium is sealed and connected at the junction of the tank body and the tank top in a welding mode. The bottom of the tank body is fixedly connected with the test site by adopting an adhesive. The variable frequency fan is positioned outside the tank field.
The variable frequency fan can simulate different wind speeds, so that the sensitivity of the tank body to uneven wind load due to degradation of materials in a high-temperature environment is evaluated.
The position height of the flame can be changed by using the lifting device in the tank fire, so that the aim of evaluating the influence of different flame heights on the thermal effect of the storage tank is fulfilled.
Drawings
FIG. 1 is a schematic diagram of a tank farm domino effect experimental platform.
Fig. 2 is a schematic view of the external appearance and internal structure of the pool fire apparatus.
FIG. 3 is a schematic illustration of the exterior and interior structure of the tank after scaling.
In the figure: 1, a storage tank scaled in equal proportion; 2, a variable frequency fan; 3, a data acquisition instrument; 4, a computer; 5 pool fire devices; 6, a high-speed camera; 7, a material strain three-dimensional measurement system; 8, an infrared thermal imager; 9, protecting the outer wall of the pool fire device; 10 fuel medium; 11 fuel containers; 12 lifting devices; 13 a safety valve; a heat flow sensor; 15 a first temperature sensor; 16 tank tops; 17 a storage medium; a second temperature sensor 18; 19 cans; 20 pressure sensor.
Detailed Description
The variable frequency fan 2 has the function of changing the grade of the wind flow field of the tank area and the inclination degree of the flame of the tank fire; the upper part of the lifting device 12 is fastened with the fuel container 11 by a check bolt, the lower part of the lifting device is fixedly connected with the tank fire device protection outer wall 9 by a bolt, and the height dimension of the tank fire device protection outer wall 9 is the same as that of the tank body 19; the position height H of the pool fire can be changed by the lifting device 12 to simulate the thermal effect of different flame heights on the adjacent storage tanks; when the lifting device 12 reaches the maximum position height H, the upper end surface of the fuel container 11 and the upper end surface of the pool fire device protective outer wall 9 are positioned at the same height; the heat flow sensor 14 and the first temperature sensor 15 are arranged on the outer wall surface of the storage tank 1 after equal proportion scaling in an equidistant and equiangular distribution manner; measuring the heat radiation distribution and the temperature distribution of the outer surface of the storage tank under a non-uniform thermal field by using an external heat flow sensor 14 and a first temperature sensor 15; the inner wall surface of the storage tank 1 after scaling in equal proportion is provided with a second temperature sensor 18 and a pressure sensor 20, the heat flow sensor 14 and the pressure sensor 20, and the positions of the first temperature sensor 15 and the second temperature sensor 18 at the inner side and the outer side of the storage tank correspond to each other; the second temperature sensor 18 and the pressure sensor 20 are used to monitor the changes in temperature, pressure and medium temperature inside the tank during the test.
The high-temperature glue is uniformly smeared at the opening of the wall surface of the storage tank, which is connected with the line, so that the tightness of the storage tank is improved; after a storage medium 17 with a certain height h is filled in the storage tank, sealing and connecting the tank body 19 and the tank top 16 at the junction of the two in a welding mode; fixedly connecting the bottom of the tank body 19 with a test site by adopting an adhesive; after the internal pressure of the storage tank is increased, the pressure can be relieved through the safety valve 13 of the tank top 16 based on the safety consideration; and at the same position of the storage tank, the temperature values of the inner wall surface and the outer wall surface are compared, so that the influence of the thickness of the tank wall or the material of the tank body on heat transfer can be observed.
In the test process, the deformation process of the tank body under the action of wind load and a non-uniform thermal field is monitored by a high-speed camera 6 and a material strain three-dimensional measurement system 7; using an infrared thermal imager 8 to record the influence of the change of the wind speed and the position height H of the pool fire on the temperature change of each area of the flame; the height h of the storage medium 17 is changed, so that the influence of the height h on the integral temperature rise change of the storage tank can be observed; by means of the data acquisition instrument 3 and the computer 4, various acquired data are collected and processed, and the influence of multiple factors such as scale levels, wind speed levels and the like of different tank areas on the safety of the tank areas can be effectively evaluated.
The above-mentioned embodiments are only one of the preferred embodiments of the present utility model, and the scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions belonging to the inventive concept belong to the scope of the present utility model. Modifications and alterations will be apparent to those skilled in the art without departing from the principles of this utility model, and such modifications and alterations should also be regarded as being within the scope of the utility model.
Claims (3)
1. The utility model provides a tank field domino accident experiment platform, mainly comprises storage tank (1), relief valve (13), variable frequency fan (2), data acquisition appearance (3), computer (4), pond fire device (5), high-speed camera (6), material strain three-dimensional measurement system (7), infrared thermal imaging appearance (8) and a plurality of each type sensor after a plurality of equal proportion scale are zoomed, its characterized in that: in the pool fire device (5), after the height H is determined, the upper part of the lifting device (12) is fastened with the fuel container (11) by using a check bolt, the lower part of the lifting device is fixedly connected with the pool fire device protection outer wall (9) by a bolt, and the height dimension of the pool fire device protection outer wall (9) is the same as that of the tank body (19); when the lifting device (12) reaches the maximum position height H, the upper end surface of the fuel container (11) and the upper end surface of the pool fire device protective outer wall (9) are positioned at the same height; the heat flow sensors (14), the first temperature sensor (15), the second temperature sensor (18) and the pressure sensor (20) are arranged at equal intervals and at equal angles on two sides of the tank top (16) and the tank body (19); the positions of the pressure sensor (20) and the heat flow sensor (14) at the inner side and the outer side of the storage tank are mutually corresponding; the heat flow sensor (14), the first temperature sensor (15), the second temperature sensor (18) and the pressure sensor (20) are connected to the data acquisition instrument (3); after a storage medium (17) with a certain height h is filled in the storage tank, the storage medium and the storage tank are hermetically connected at the junction of the tank body (19) and the tank top (16) in a welding mode.
2. The tank farm domino accident experiment platform according to claim 1, wherein the bottom of the tank body (19) is fixedly connected with the experiment site by an adhesive.
3. A tank farm domino accident experiment platform according to claim 1, wherein the variable frequency fans (2) are located outside the tank farm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222613133.9U CN219328601U (en) | 2022-09-30 | 2022-09-30 | Experimental platform for domino accident of tank farm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222613133.9U CN219328601U (en) | 2022-09-30 | 2022-09-30 | Experimental platform for domino accident of tank farm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219328601U true CN219328601U (en) | 2023-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222613133.9U Active CN219328601U (en) | 2022-09-30 | 2022-09-30 | Experimental platform for domino accident of tank farm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219328601U (en) |
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2022
- 2022-09-30 CN CN202222613133.9U patent/CN219328601U/en active Active
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