Liquid fire simulation experimental platform

Abstract

The present invention discloses a liquid fire simulation experimental platform, comprising: a fixed plate; an oil pool fire simulation system, which is arranged on the fixed plate and is used to simulate the burning condition of the oil pool fire in the ship's engine room; a ship shaking simulation system, which is arranged on the fixed plate and is connected to the oil pool fire simulation system and is used to simulate the shaking condition of the ship's engine room when the oil pool fire is burning; a data acquisition system, which is arranged on the fixed plate and is used to measure the fire parameters when the oil pool fire is burning, so as to analyze the burning characteristics of the oil pool fire. The present invention can conduct a simulation experiment of liquid fire combustion under the shaking of the ship's engine room, thereby providing necessary experimental conditions for the analysis and research of the burning characteristics of liquid oil pool fire under the shaking of the ship's engine room.

Description

Technical Field

[0001] The invention relates to the technical field of fire simulation, and in particular to a liquid fire simulation experimental platform for a ship engine room. Background Art

[0002] Fire is one of the main threats to ship safety. Once a fire occurs on a ship, it is easy to cause heavy casualties and property losses. The engine room is the power source for the ship's navigation. Various machines and equipment are running inside and a large amount of fuel is stored. During the operation of the machinery and equipment, a large amount of heat dissipation and high-temperature walls will be generated. Once the fuel leaks from the machinery and equipment and pipelines, it is very easy to be ignited by the high-temperature heat source, thus causing the engine room fire. According to statistics from the Norwegian Classification Society (DNV), nearly 63% of ship fires occurred in the engine room, making the engine room the chamber with the highest frequency of ship fires, and more than half of the ship fires were caused by fuel leakage encountering high-temperature heat sources. In addition, due to the relatively fast fuel leakage rate, the leaked fuel is very easy to accumulate in the engine room and form an oil pool fire.

[0003] When a ship is sailing at sea, the wind and waves will cause the ship to sway back and forth / left and right, making the stable environment of the ship's engine room oil pool fire significantly different from that of the land space oil pool fire. The swaying of the ship will cause the fuel liquid to sway, thereby accelerating the internal heat transfer of the fuel liquid, increasing the temperature rise rate, and promoting evaporation combustion; however, the combustion surface of the oil pool fire will also tilt due to the swaying of the ship, and the intensity of the heat feedback received by the fuel liquid surface will be weakened, which will also reduce the evaporation combustion intensity. There is a certain competition mechanism between the two; at the same time, the flame / plume morphology characteristics and air entrainment characteristics will also change due to the swaying and swinging of the combustion surface. In addition, changes in the frequency and amplitude of the ship's swaying will further increase the complexity of the engine room oil pool fire. However, at present, there are relatively few studies on the combustion characteristics of ship engine room liquid fires under different swaying intensities, and the corresponding experimental simulation research platform is even more lacking. Summary of the invention

[0004] The purpose of the present invention is to provide a liquid fire simulation experimental platform, which can be used to carry out simulation experiments on liquid fire combustion under the shaking of a ship's engine room, thereby providing necessary experimental conditions for the analysis and research of the combustion characteristics of liquid oil pool fire under the shaking of a ship's engine room.

[0005] In order to achieve the above object, the present invention is implemented by the following technical solutions:

[0006] A liquid fire simulation experimental platform, comprising:

[0007] Fixed plate;

[0008] An oil pool fire simulation system, arranged on the fixed plate, for simulating the burning condition of an oil pool fire in a ship's engine room;

[0009] A ship shaking simulation system, which is arranged on the fixed plate and connected to the oil pool fire simulation system, and is used to simulate the shaking condition of the ship engine room when the oil pool fire is burning;

[0010] The data acquisition system is arranged on the fixed plate and is used to measure the fire parameters when the oil pool fire is burning so as to analyze the combustion characteristics of the oil pool fire.

[0011] Preferably, the oil pool fire simulation system comprises:

[0012] An oil pan for storing liquid fuel to simulate the burning condition of an oil pool fire in the engine room of the ship;

[0013] The oil pan bracket assembly is arranged on the fixing plate and connected to the oil pan, and is used for supporting the oil pan and fixing the oil pan on the fixing plate.

[0014] Preferably, a first rotating shaft and a second rotating shaft are respectively provided at both ends of the oil pan;

[0015] The oil pan bracket assembly includes a first oil pan bracket and a second oil pan bracket;

[0016] The first end of the first rotating shaft is fixedly connected to the first end of the oil pan, and the second end of the first rotating shaft is movably connected to the first oil pan bracket;

[0017] The first end of the second rotating shaft is fixedly connected to the second end of the oil pan, and the second end of the second rotating shaft is movably connected to the second oil pan bracket; and the first end and the second end of the oil pan are arranged opposite to each other.

[0018] Preferably, the ship rocking simulation system comprises: a driving connecting rod and a motor disposed on the fixing plate;

[0019] The first end of the driving connecting rod is connected to the oil pan, and the second end of the driving connecting rod is connected to the motor, so that the oil pan is driven to shake through the rotation of the motor to simulate the shaking condition of the ship's engine room.

[0020] Preferably, the ship rolling simulation system further comprises: a flywheel; the flywheel is provided with a first through hole and a plurality of positioning holes;

[0021] The flywheel is fixedly connected to the motor through the first through hole, and the flywheel is fixedly connected to the second end of the driving connecting rod through any one of the positioning holes, so that the driving connecting rod is connected to the motor.

[0022] Preferably, a plurality of the positioning holes are spaced apart along the radial direction of the flywheel.

[0023] Preferably, according to a preset shaking amplitude, the second end of the driving connecting rod is fixed in the corresponding positioning hole to adjust the shaking condition of the oil pan when the liquid fuel is burning.

[0024] Preferably, the ship shaking simulation system further comprises:

[0025] An angle measuring ruler is arranged on the outer side wall of the first oil pan bracket; the angle measuring ruler is provided with a second through hole, and the second end of the first rotating shaft passes through the second through hole;

[0026] The rotation angle pointer is arranged on the second end portion of the first rotating shaft to cooperate with the angle measuring ruler to measure the shaking angle of the oil pan.

[0027] Preferably, the data acquisition system comprises:

[0028] a temperature sensor, disposed on the fixed plate, for measuring the temperature of the fire plume when the liquid fuel in the oil pan is burning;

[0029] A first heat flux sensor, disposed on the fixing plate, for measuring the radiation heat intensity of the space when the liquid fuel is burning;

[0030] A second heat flux sensor is disposed at the inner bottom of the oil pan and is used to measure the radiation heat intensity received by the liquid fuel surface when the liquid fuel is burning;

[0031] A balance is arranged on a workbench to hold up the fixed plate to measure the mass loss of the liquid fuel when the liquid fuel is burned.

[0032] Preferably, the data acquisition system further includes:

[0033] A camera, arranged on the workbench, for recording the shape of the flame when the liquid fuel burns;

[0034] The terminal device is respectively connected to the temperature sensor, the first heat flux sensor, the second heat flux sensor, the balance and the camera to record the fire parameters when the liquid fuel is burning in real time.

[0035] Compared with the prior art, the present invention has at least one of the following advantages:

[0036] The present invention provides a liquid fire simulation experimental platform, which can shake the oil pan through a ship shaking simulation system to simulate the shaking condition of the ship's engine room when the oil pool fire is burning.

[0037] The present invention can adjust the shaking frequency of the oil pan by changing the rotation speed of the motor in the ship shaking simulation system, thereby realizing the simulation of different shaking frequencies of the ship engine room.

[0038] The present invention arranges a plurality of positioning holes on a flywheel in a ship shaking system at intervals and fixes a driving connecting rod in different positioning holes so as to adjust the shaking amplitude of the oil pan, thereby realizing simulation of different shaking amplitudes of the ship engine room.

[0039] The invention can measure the shaking angle of the oil pan in real time by using the angle measuring ruler and the rotation angle pointer in the ship shaking system, so as to adjust the shaking amplitude of the oil pan, and has the characteristics of simple structure and convenient operation.

[0040] The present invention can also record the fire parameters of the liquid fuel burning in the oil pan in real time through the data acquisition system, thereby providing data support for the analysis and research of the combustion characteristics of the liquid oil pool fire under the shaking of the ship's engine room. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a structural schematic diagram of a liquid fire simulation experimental platform provided by one embodiment of the present invention;

[0042] Figure 2 It is a structural schematic diagram of a flywheel of a liquid fire simulation experimental platform provided by one embodiment of the present invention;

[0043] Figure 3 The present invention is a schematic structural diagram of an angle measuring ruler and an angle pointer of a liquid fire simulation experimental platform provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0044] The following is a further detailed description of the liquid fire simulation experimental platform proposed by the present invention in conjunction with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the present invention will be clearer. It should be noted that the accompanying drawings are in a very simplified form and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention. In order to make the purposes, features and advantages of the present invention more obvious and easy to understand, please refer to the accompanying drawings. It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the present invention.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0046] Combined with Figures 1 to 3 As shown, this embodiment provides a liquid fire simulation experimental platform, including: a fixed plate 100; an oil pool fire simulation system, which is arranged on the fixed plate 100 and is used to simulate the oil pool fire burning condition of the ship's engine room; a ship shaking simulation system, which is arranged on the fixed plate 100 and is connected to the oil pool fire simulation system, and is used to simulate the shaking condition of the ship's engine room when the oil pool fire is burning; a data acquisition system, which is arranged on the fixed plate 100 and is used to measure the fire parameters of the oil pool fire when it is burning, so as to analyze the combustion characteristics of the oil pool fire.

[0047] Please continue to refer to Figure 1 The oil pool fire simulation system includes: an oil pan 110, which is used to store liquid fuel to simulate the burning condition of the oil pool fire in the ship's engine room; an oil pan bracket group, which is arranged on the fixing plate 100 and connected to the oil pan 110, and is used to support the oil pan 110 and fix the oil pan 110 on the fixing plate 110.

[0048] It can be understood that in some other embodiments, the first rotating shaft 113 and the second rotating shaft 114 are respectively provided at both ends of the oil pan 110; the oil pan bracket group includes a first oil pan bracket 111 and a second oil pan bracket 112; the first end of the first rotating shaft 113 is fixedly connected to the first end of the oil pan 110, and the second end of the first rotating shaft 113 is movably connected to the first oil pan bracket 111; the first end of the second rotating shaft 112 is fixedly connected to the second end of the oil pan 110, and the second end of the second rotating shaft 112 is movably connected to the second oil pan bracket 112; and the first end and the second end of the oil pan 110 are arranged opposite to each other.

[0049] Specifically, the mechanical equipment and pipelines in the ship's engine room may cause internal fuel leakage due to pipeline wear, collision, etc., and the fuel leaks and flows to the bottom plate of the ship's engine room to form an oil pool, which is ignited by a high-temperature heat source to form an oil pool fire. The shape of the oil pan 110 can be consistent with the common shape of the oil pool formed after the fuel leaks (such as round, rectangular, and square, etc.), and the oil pan 110 has a certain depth so that the liquid fuel can be stored in the oil pan 110; the combustion of the liquid fuel in the oil pan 110 can realize the simulation of the burning condition of the oil pool fire in the ship's engine room, but the present invention is not limited to this.

[0050] In this embodiment, the oil pan 110 may be a coverless rectangular box, and the liquid fuel in the oil pan 110 may be the fuel oil commonly used in the ship's engine room (eg, diesel, 4# fuel oil, etc.).

[0051] Specifically, in this embodiment, one end of the first oil pan bracket 111 is fixed to the fixing plate 100, and the other end is provided with a third through hole; one end of the second oil pan bracket 112 is fixed to the fixing plate 100, and the other end is provided with a fourth through hole; and the first oil pan bracket 111 and the second oil pan bracket 112 are arranged opposite to each other. The first rotating shaft 113 fixed to the first end of the oil pan 110 can pass through the third through hole to be movably connected with the first oil pan bracket 111, and the second rotating shaft 114 fixed to the second end of the oil pan 110 can pass through the fourth through hole to be movably connected with the second oil pan bracket 112, so that the oil pan 110 is fixed to the fixing plate through the first oil pan bracket 111 and the second oil pan bracket 112, and the oil pan 110 can make a circular motion with the first rotating shaft 113 and the second rotating shaft 114 as the rotation axis, so that the oil pan 110 can be shaken with different amplitudes later, but the present invention is not limited thereto.

[0052] Please continue to refer to Figure 1 The ship shaking simulation system includes: a driving connecting rod 120 and a motor 121 arranged on the fixing plate 100; the first end of the driving connecting rod 120 is connected to the oil pan 110, and the second end of the driving connecting rod 120 is connected to the motor 121, so that the oil pan 110 is driven to shake through the rotation of the motor 121, thereby simulating the shaking condition of the ship engine room.

[0053] Specifically, a driving shaft 125 may be further provided at the first end of the oil pan 110, and the first end of the driving connecting rod 121 may be fixedly connected to the driving shaft 125, thereby realizing the fixed connection between the driving connecting rod 120 and the oil pan 110; the second end of the driving connecting rod 120 is fixedly connected to the motor 121, so that when the motor 121 rotates, it can drive the driving connecting rod 120 to reciprocate, thereby driving the oil pan 110 connected to the driving connecting rod 120 to shake, thereby realizing the simulation of the shaking condition of the ship's engine room when the oil pool fire is burning; the shaking frequency of the oil pan 110 can be adjusted by changing the rotation speed of the motor 121, thereby realizing the simulation of different shaking frequencies of the ship's engine room, but the present invention is not limited to this.

[0054] In this embodiment, the motor 121 may be a variable frequency drive motor, and is fixed to the fixing plate 100 via a motor base 126 .

[0055] Please also refer to Figure 1 and Figure 2 The ship shaking simulation system also includes: a flywheel 122; a first through hole 1220 and a plurality of positioning holes 1221 are provided on the flywheel 122; the flywheel 122 is fixedly connected to the motor 121 through the first through hole 1220, and the flywheel 122 is fixedly connected to the second end of the driving connecting rod 120 through any of the positioning holes 1221, so that the driving connecting rod 120 is connected to the motor 121.

[0056] It is understandable that, in some other embodiments, a plurality of the positioning holes 1221 are spaced apart along the radial direction of the flywheel 122 .

[0057] In some embodiments, according to a preset shaking amplitude, the second end of the driving connecting rod 120 is fixed in the corresponding positioning hole 1221 to adjust the shaking condition of the oil pan 110 when the liquid fuel is burning.

[0058] Specifically, a plurality of the positioning holes 1221 can be arranged at intervals in any radial direction of the flywheel 122, so that the distance from each positioning hole 1221 to the center of the flywheel 122 meets the requirements. The second end of the driving connecting rod 120 can be fixed in different positioning holes 1221 to adjust the distance from the second end of the driving connecting rod 120 to the center of the flywheel 122, thereby adjusting the movement amplitude of the driving connecting rod 120 when the motor 121 rotates, and then the oil pan 110 connected to the driving connecting rod 120 can reach a preset shaking amplitude, realizing the simulation of different shaking amplitudes of the ship's engine room when the oil pool fire is burning, but the present invention is not limited to this.

[0059] In this embodiment, the number of the positioning holes 1221 on the flywheel 122 is four, and each of the positioning holes 1221 can be a threaded hole.

[0060] Please also refer to Figure 1 and Figure 3 The ship rolling simulation system also includes: an angle measuring ruler 123, which is arranged on the outer wall of the first oil pan bracket 111; the angle measuring ruler 123 is provided with a second through hole, and the second end of the first rotating shaft 113 passes through the second through hole; an angle pointer 124, which is arranged on the second end of the first rotating shaft 113 to cooperate with the angle measuring ruler 123 to measure the rolling angle of the oil pan 110.

[0061] Specifically, in this embodiment, the angle measuring ruler 123 is fixed to the outer wall of the end of the first oil pan bracket 111 away from the fixing plate 100, and the second through hole of the angle measuring ruler 123 is aligned with the third through hole of the first oil pan bracket 111, so that the second end of the first rotating shaft 113 fixed to the oil pan 110 can pass through the third through hole and the second through hole in sequence. The angle pointer 124 can be fixed to the second end of the first rotating shaft 113, so that the angle pointer 124 can rotate synchronously with the first rotating shaft 113, and then rotate synchronously with the oil pan 110, then the cooperation of the angle pointer 124 and the angle measuring ruler 123 can realize the real-time measurement of the shaking angle of the oil pan 110, so as to facilitate the adjustment of the shaking amplitude of the oil pan 110, but the present invention is not limited thereto.

[0062] Please continue to refer to Figure 1 The data acquisition system includes: a temperature sensor 130, which is arranged on the fixed plate 100 and is used to measure the fire plume temperature when the liquid fuel in the oil pan 110 is burned; a first heat flux sensor 131, which is arranged on the fixed plate 100 and is used to measure the radiation heat intensity of the space when the liquid fuel is burned; a second heat flux sensor 132, which is arranged at the inner bottom of the oil pan 110 and is used to measure the radiation heat intensity received by the liquid surface of the liquid fuel when the liquid fuel is burned; a balance 134, which is arranged on a workbench and holds up the fixed plate 100 to measure the mass loss of the liquid fuel when the liquid fuel is burned.

[0063] It can be understood that in some other embodiments, the data acquisition system also includes: a camera 133, which is arranged on the workbench and is used to record the shape of the flame when the liquid fuel is burning; a terminal device 135, which is respectively connected to the temperature sensor 130, the first heat flux sensor 131, the second heat flux sensor 132, the balance 134 and the camera 133 to record the fire parameters when the liquid fuel is burning in real time.

[0064] Specifically, the fixed plate 100 can be placed on the balance 134, and all devices fixed on the fixed plate 100 (such as the oil pan and the liquid fuel inside it, the motor, the temperature sensor, etc.) are placed on the balance 134. During the combustion of the liquid fuel, among all the devices fixed on the fixed plate 100, only the mass of the liquid fuel in the oil pan 100 will continue to decrease, and the masses of other devices remain unchanged, so the mass loss of the liquid fuel can be measured in real time through the balance 134. Preferably, the balance 134 can be an electronic balance; the fixed plate 100 can be a fireproof insulation board to protect the balance 134 during the combustion of the liquid fuel, so that the balance 134 can work normally, but the present invention is not limited to this.

[0065] In this embodiment, the temperature sensor 130 can be a thermocouple tree, the first heat flux sensor 131 and the second heat flux sensor 132 can be radiation heat flux meters with different heights, the camera 133 can be a high-definition camera, and the terminal device 135 can be a portable or desktop computer. The terminal device 135 is connected to the temperature sensor 130, the first heat flux sensor 131, the second heat flux sensor 132, the balance 134 and the camera 133 respectively, and can record real-time data of fire parameters such as radiation heat intensity, fire plume temperature, mass loss of the liquid fuel and flame morphology change; the fire parameter data of the liquid fuel burning under the shaking of the oil pan 110 can be used as the fire data of the oil pool fire burning under the shaking of the engine room ship, and the combustion characteristics of the liquid oil pool fire under the shaking of the ship engine room can be analyzed and studied by analyzing the combustion characteristics of the liquid fuel under the shaking of the oil pan 110.

[0066] In summary, the liquid fire simulation experimental platform provided in this embodiment can be used to conduct simulation experiments on the combustion of liquid fires under the shaking of the ship's engine room. The combustion of liquid fuel in the oil pan in the oil pool fire simulation system can simulate the burning condition of the oil pool fire in the ship's engine room; by driving the connecting rod, motor and flywheel in the ship's shaking simulation system to shake the oil pan with different amplitudes, the shaking condition of the ship's engine room when the oil pool fire is burning can be simulated; by using the data acquisition system to record the fire parameters when the liquid fuel in the oil pan is burning in real time, the fire parameters when the ship's oil pool fire is burning in the engine room can be obtained, so that the combustion characteristics of the liquid oil pool fire under the shaking of the ship's engine room can be analyzed and studied. The application of the liquid fire simulation experimental platform provided in this embodiment can reveal the changing law of the combustion dynamic parameters of the oil pool fire under the shaking of the ship's engine room and the influence of the shaking amplitude and shaking frequency on the combustion characteristics of the oil pool fire, and provide theoretical support for the research and development of ship engine room fire extinguishing technology and system equipment.

[0067] Although the content of the present invention has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the present invention. After reading the above content, it will be apparent to those skilled in the art that various modifications and substitutions of the present invention will occur. Therefore, the protection scope of the present invention should be limited by the appended claims.

Claims

1. A liquid fire simulation experimental platform, characterized in that: include: Fixed plate (100); An oil pool fire simulation system, arranged on the fixing plate (100), for simulating the burning condition of an oil pool fire in a ship's engine room; A ship shaking simulation system, arranged on the fixing plate (100), connected to the oil pool fire simulation system, and used to simulate the shaking condition of the ship's engine room when the oil pool fire is burning; A data acquisition system, arranged on the fixing plate (100), for measuring fire parameters when the oil pool fire is burning, so as to analyze the burning characteristics of the oil pool fire; The oil pool fire simulation system comprises: An oil pan (110) for storing liquid fuel to simulate the burning condition of an oil pool fire in the engine room of the ship; an oil pan support assembly, arranged on the fixing plate (100), connected to the oil pan (110), and used to support the oil pan (110) and fix the oil pan (110) on the fixing plate (100); A first rotating shaft (113) and a second rotating shaft (114) are respectively provided at two ends of the oil pan (110); The oil pan bracket assembly comprises a first oil pan bracket (111) and a second oil pan bracket (112); The first end of the first rotating shaft (113) is fixedly connected to the first end of the oil pan (110), and the second end of the first rotating shaft (113) is movably connected to the first oil pan bracket (111); The first end of the second rotating shaft (114) is fixedly connected to the second end of the oil pan (110), and the second end of the second rotating shaft (114) is movably connected to the second oil pan bracket (112); and the first end and the second end of the oil pan (110) are arranged opposite to each other; The ship shaking simulation system comprises: a driving connecting rod (120) and a motor (121) arranged on the fixing plate (100); The first end of the driving connecting rod (120) is connected to the oil pan (110), and the second end of the driving connecting rod (120) is connected to the motor (121), so that the oil pan (110) is driven to shake by the rotation of the motor (121), thereby simulating the shaking condition of the ship engine room; The ship rolling simulation system further comprises: a flywheel (122); the flywheel (122) is provided with a first through hole (1220) and a plurality of positioning holes (1221); The flywheel (122) is fixedly connected to the motor (121) via the first through hole (1220), and the flywheel (122) is fixedly connected to the second end of the driving connecting rod (120) via any one of the positioning holes (1221), so that the driving connecting rod (120) is connected to the motor (121); A plurality of the positioning holes (1221) are arranged at intervals along the radial direction of the flywheel (122); According to a preset shaking amplitude, the second end of the driving connecting rod (120) is fixed in the corresponding positioning hole (1221) to adjust the shaking condition of the oil pan (110) when the liquid fuel is burning; The ship shaking simulation system also includes: An angle measuring ruler (123) is arranged on the outer side wall of the first oil pan bracket (111); the angle measuring ruler (123) is provided with a second through hole, and the second end of the first rotating shaft (113) passes through the second through hole; An angle pointer (124) is disposed on the second end portion of the first rotating shaft (113) to cooperate with the angle measuring ruler (123) to measure the shaking angle of the oil pan (110); The data acquisition system comprises: a temperature sensor (130), disposed on the fixing plate (100), and used to measure the temperature of a fire plume when the liquid fuel in the oil pan (110) is burning; A first heat flux sensor (131), arranged on the fixing plate (100), for measuring the radiation heat intensity of the space when the liquid fuel is burning; A second heat flux sensor (132) is disposed at the inner bottom of the oil pan (110) and is used to measure the intensity of radiant heat received by the liquid fuel surface when the liquid fuel is burning; A balance (134) is disposed on a workbench and supports the fixing plate (100) to measure the mass loss of the liquid fuel when the liquid fuel is burned; The data acquisition system also includes: A camera (133) is arranged on the workbench and is used to record the shape of the flame when the liquid fuel is burning; The terminal device (135) is respectively connected to the temperature sensor (130), the first heat flux sensor (131), the second heat flux sensor (132), the balance (134), and the camera (133) to record the fire parameters when the liquid fuel is burning in real time.

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