A solid fuel radiant pyrolysis testing apparatus

Abstract

This invention discloses a solid combustible material radiation pyrolysis testing device, comprising: a sample tray for placing the sample to be tested; a heating element for converting electrical energy into heat energy to generate thermal radiation; a device support for mounting the sample tray and the heating element such that the heating element is positioned above the sample tray; an adjustable furnace chamber for accommodating the heating element; and a rotating base, which is rotatably connected to the device support about a central axis; wherein the adjustable furnace chamber and the device support are slidably connected in the horizontal direction; the rotating base and the sample tray are anti-rotationally connected so that the sample tray rotates synchronously with the rotating base; and the central axis is perpendicular to the horizontal direction. The advantage of this invention is that it provides a solid combustible material radiation pyrolysis testing device capable of obtaining relatively uniform thermal radiation by rotating the sample tray.

Description

Technical Field

[0001] This invention relates to a testing device, and more specifically, to a testing device for the radiation pyrolysis of solid combustibles. Background Technology

[0002] Experiments on the ignition characteristics of solid combustibles through radiation pyrolysis are used to study the pyrolysis ignition characteristics and ignition time of stationary combustibles. These experiments can reveal changes in the flow field, temperature field, and heat transfer during the pyrolysis ignition and combustion process of stationary combustibles, thus providing a theoretical basis for predicting the development of fires involving solid combustibles and assessing their fire hazard.

[0003] Existing experiments on the ignition characteristics of solid combustible materials through radiation pyrolysis often use relatively fixed test benches and fixed conical electric heating tubes, but this cannot effectively simulate the situation of uniform thermal radiation. Summary of the Invention

[0004] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0005] Some embodiments of this application propose a solid combustible material radiation pyrolysis testing device to solve the technical problems mentioned in the background section above.

[0006] Some embodiments of this application provide a solid combustible material radiation pyrolysis testing device, comprising: a sample tray for placing a sample to be tested; a heating element for converting electrical energy into heat energy to generate thermal radiation; a device support for mounting the sample tray and the heating element such that the heating element is positioned above the sample tray; an adjustable furnace chamber for accommodating the heating element; and a rotating base, which is rotatably connected to the device support about a central axis; wherein the adjustable furnace chamber and the device support are slidably connected in the horizontal direction; the rotating base and the sample tray are anti-rotationally connected so that the sample tray and the rotating base rotate synchronously; and the central axis is perpendicular to the horizontal direction.

[0007] Furthermore, the solid combustible radiation pyrolysis testing device also includes: a lifting base, which is slidably connected to the device support in the vertical direction; wherein the lifting base and the rotating base are rotatably connected so that the lifting base and the rotating base can rotate relative to each other.

[0008] Furthermore, the solid combustible radiation pyrolysis testing device also includes: a lifting cylinder for driving the lifting base to move up and down; wherein the lifting cylinder is at least partially disposed between the lifting base and the device support.

[0009] Furthermore, the solid combustible radiation pyrolysis testing device also includes: a rotary motor for driving the rotating base to rotate; wherein the rotary motor and the lifting base are fixedly connected.

[0010] Furthermore, the solid combustible radiation pyrolysis testing apparatus also includes: a lifting elastic element for providing an elastic force to the sample tray to move it away from the rotating base; wherein the lifting elastic element is at least partially disposed between the rotating base and the sample tray.

[0011] Furthermore, the solid combustible radiation pyrolysis testing device also includes: a thermocouple probe for detecting the temperature of the sample on the sample tray; a mounting column for mounting the thermocouple probe; wherein the thermocouple probe and the mounting column form a rotatable connection about a horizontal axis; the mounting column and the rotating base form a fixed connection and are set on the periphery of the sample tray.

[0012] Furthermore, the solid combustible radiation pyrolysis testing device also includes: a pitch elastic element, used to provide an elastic force to the thermocouple probe to bring its detection end close to the sample tray.

[0013] Furthermore, the solid combustible radiation pyrolysis testing device also includes: a translation motor for driving the adjustable furnace box to move horizontally; wherein the translation motor is fixedly connected to the adjustable furnace box.

[0014] Furthermore, the solid combustible radiation pyrolysis testing device also includes: an iris valve for adjusting the opening size of the adjustable furnace box; wherein, the bottom of the adjustable furnace box is provided with a heat radiation outlet; the iris valve is located at the bottom of the adjustable furnace box to close or open the heat radiation outlet.

[0015] Furthermore, the heating element is constructed as a tapered electric heating tube.

[0016] The beneficial effect of this application is that it provides a solid combustible material radiation pyrolysis testing device that can obtain relatively uniform thermal radiation by rotating the sample tray. Attached Figure Description

[0017] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application.

[0018] Furthermore, throughout the accompanying drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the elements are not necessarily drawn to scale.

[0019] In the attached diagram:

[0020] Figure 1This is a schematic diagram of the overall structure of a test system according to some embodiments of this application;

[0021] Figure 2 for Figure 1 Schematic diagram of a test apparatus for radiation pyrolysis of solid combustibles in medium;

[0022] Figure 3 for Figure 2 Schematic diagram of the assembly relationship between the central unit support and the adjustable furnace box;

[0023] Figure 4 for Figure 3 A magnified view of a section at point A in the middle;

[0024] Figure 5 for Figure 2 Schematic diagram of the adjustable furnace box;

[0025] Figure 6 for Figure 5 A cross-sectional view of the adjustable furnace box shown.

[0026] Figure 7 for Figure 6 Exploded view of the iris valve;

[0027] Figure 8 for Figure 6 An exploded view of the iris valve from another perspective;

[0028] Figure 9 for Figure 2 Schematic diagram of the assembly relationship between the sample tray and the rotating base;

[0029] Figure 10 for Figure 9 A magnified view of a section at point B in the middle;

[0030] Figure 11 for Figure 9 A cross-sectional view of the structure shown;

[0031] Figure 12 for Figure 9 A cross-sectional view of the structure shown from another perspective;

[0032] Figure 13 for Figure 12 A magnified view of a section at point C;

[0033] Figure 14 for Figure 9 A cross-sectional view of the structure shown from another perspective;

[0034] Figure 15 for Figure 14 A magnified view of a section at point D.

[0035] Meaning of the reference numerals in the attached figures:

[0036] 200. Test system;

[0037] 100. Test apparatus for radiation pyrolysis of solid combustibles;

[0038] 101. Sample tray; 101a. Upper tray; 101b. Lower tray; 101c. Positioning rod; 101d. Pressure sensor; 101e. Tray insert;

[0039] 102. Heating element;

[0040] 103. Device support; 103a. Base; 103b. Side wall; 103c. Crossbeam; 103d. Protective baffle; 103e. Guide sleeve;

[0041] 104. Adjustable furnace box; 104a. Heat radiation outlet; 104b. Inner cavity; 104c. Sealing plate; 104d. Cross support rod; 104e. Center rod;

[0042] 105. Rotating base; 105a. Rotating rack; 105b. Positioning post; 105c. Base sleeve;

[0043] 106. Lifting platform; 106a. Guide sleeve;

[0044] 107. Lifting cylinder;

[0045] 108. Rotary electric motor;

[0046] 109. Lifting elastic components;

[0047] 110. Thermocouple probe;

[0048] 111. Install the column; 111a. Install the bracket; 111b. Support block; 111c. L-shaped bracket; 111d. Limit cap;

[0049] 112. Pitch elastic element;

[0050] 113. Translation motor;

[0051] 114. Iris valve; 114a. Valve motor; 114b. Ball screw; 114c. Screw nut; 114d. Several valve plates;

[0052] 115. Millimeter-wave camera;

[0053] 116. Translation rack;

[0054] 117. Translation gear;

[0055] 118. Slide rail device;

[0056] 119. Rotating gear;

[0057] 120. Sliding block device;

[0058] 121. End face bearing. Detailed Implementation

[0059] Embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. While some embodiments of this disclosure are shown in the drawings, it should be understood that this disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this disclosure. It should be understood that the accompanying drawings and embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.

[0060] It should also be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. Unless otherwise specified, the embodiments and features described in this disclosure can be combined with each other.

[0061] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are used only to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependencies.

[0062] It should be noted that the terms "a" and "a plurality of" used in this disclosure are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0063] The names of messages or information exchanged between multiple devices in the embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of such messages or information.

[0064] The following will refer to the attached diagram. Figures 1 to 15 This disclosure will be described in detail with reference to the embodiments.

[0065] Figure 1 An integrated testing system 200 is shown, consisting of multiple sets of solid combustible material radiation pyrolysis testing devices 100. This testing system 200 can perform multiple sets of identical or different pyrolysis tests in parallel.

[0066] like Figure 2 As shown, the solid combustible radiation pyrolysis testing device 100 of this application mainly includes: a sample tray 101, a heating element 102, a device support 103, an adjustable furnace box 104, a rotating base 105, a lifting base 106, a lifting cylinder 107, a rotary motor 108, a lifting elastic element 109, a thermocouple probe 110, a mounting column 111, a pitch elastic element 112, a translation motor 113, and an iris valve 114.

[0067] The sample tray 101 is used to place the test samples. The sample tray 101 can be made of flame-retardant and heat-insulating material with a certain structural strength. As a preferred embodiment, the sample tray 101 can be made of multi-layer composite material, with flame-retardant and heat-insulating material on the top and metal material on the bottom to ensure structural strength.

[0068] When conducting experiments, aluminum foil can be used to wrap the sample, leaving only the top exposed, thereby defining the direction in which the sample receives thermal radiation.

[0069] The heating element 102 is used to convert electrical energy into heat energy to generate thermal radiation. Specifically, the heating element 102 can be a conical electric heating tube. The conical electric heating tube is mainly composed of a resistance heating element 102 wound into a coil shape, and its maximum coil diameter can be 20 cm, used to provide thermal radiation to the sample to be tested. Of course, other heating elements 102 that generate thermal radiation can also be used.

[0070] The device bracket 103 is used to mount the sample tray 101 and the heating element 102 so that the heating element 102 is positioned above the sample tray 101.

[0071] Specifically, the device support 103 is used to assemble the various parts of the solid combustible radiation pyrolysis testing device 100 into a whole.

[0072] More specifically, the device support 103 includes: a base portion 103a, a side wall portion 103b, and a crossbeam portion 103c.

[0073] The base portion 103a provides bottom support, and the side wall portion 103b connects the base portion 103a and the crossbeam portion 103c, which suspends the adjustable furnace box 104. The side wall portion 103b is disposed between the base portion 103a and the crossbeam portion 103c to form a support. As a preferred embodiment, the base portion 103a, the side wall portion 103b, and the crossbeam portion 103c can be integrally formed from metal material.

[0074] As an optional solution, the solid combustible material radiation pyrolysis testing device 100 also includes a protective baffle 103d. The protective baffle 103d is disposed on both sides of the device support 103 to provide protection. Specifically, the protective baffle 103d can be fixedly connected to both sides of the side wall portion 103b, so that the base portion 103a, side wall portion 103b, crossbeam portion 103c and protective baffle 103d form a roughly rectangular space, with only one side exposed as the operating side, thus providing better protection for the experiment.

[0075] The adjustable furnace box 104 is used to house the heating element 102. In previous technical solutions, the heating element 102 was directly exposed, which posed a safety hazard and made it impossible to accurately control the start time of heat radiation.

[0076] To address the aforementioned technical issues, the adjustable furnace chamber 104 of this application is internally constructed with heat-insulating material. The adjustable chamber contains an inner cavity 104b for housing the heating element 102, allowing it to be used in a relatively sealed environment. A heat radiation outlet 104a is located at the bottom of the adjustable furnace chamber 104, communicating with the inner cavity 104b. This ensures that heat radiation generated by the heating element 102 can only be output when the heat radiation outlet 104a at the bottom of the adjustable furnace chamber 104 is open.

[0077] Specifically, the adjustable furnace box 104 and the device support 103 are connected in a horizontal sliding manner. This allows the adjustable furnace box 104 to be offset to the side and above the sample tray 101 during the initial heating stage of the heating element 102 (before reaching the required thermal radiation temperature for the experiment). At this time, the user can arrange samples on the sample tray 101 without having to arrange the samples first and then align the heating element 102 with the samples to start heating and generating thermal radiation, as was previously required. This overcomes the problems of low experimental efficiency and long heating time in the past.

[0078] More specifically, a slider device 120 that can cooperate with the slide rail device 118 is provided on the top of the adjustable furnace box 104. For example, a sealing plate 104c is detachably fixed on the top of the adjustable furnace box 104 so that after the heating element 102 is placed into the inner cavity 104b, the top of the inner cavity 104b is closed by the sealing plate 104c. The slider device 120 is fixed on the top of the sealing plate 104c. At the same time, the slide rail device 118 is provided at the crossbeam 103c of the device support 103. In this way, the sliding connection between the adjustable furnace box 104 and the device support 103 can be realized by the sliding cooperation of the slide rail device 118 and the slider device 120.

[0079] More specifically, a cross-shaped support rod 104d can be fixedly installed inside the adjustable furnace box 104, and a middle rod 104e can be fixedly installed in the middle of the cross-shaped support rod 104d. The top end of the middle rod 104e is inserted into a hole on the sealing plate 104c. The top end of the conical electric heating tube is fixedly connected to the middle rod 104e, and the top end rests on the cross-shaped support rod 104d, thereby achieving the positioning and installation of the conical heating tube.

[0080] As a preferred embodiment, in order to enable the adjustable furnace box 104 to slide automatically, a translation motor 113 is used to drive the adjustable furnace box 104 to move in the horizontal direction; wherein, the translation motor 113 is fixedly connected to the adjustable furnace box 104, the motor shaft of the translation motor 113 is connected to a translation gear 117 for anti-rotation, and a translation rack 116 that can cooperate with the translation gear 117 is fixedly connected to the inner side of the side wall 103b of the device bracket 103.

[0081] In this way, when the translation motor 113 rotates, the translation gear 117 and the translation rack 116 interact to allow the adjustable furnace box 104 to be translated as needed.

[0082] As an optional solution, to further refine the control of thermal radiation, an iris valve 114 is installed at the bottom of the adjustable furnace box 104. This iris valve 114 is used to adjust the opening size of the adjustable furnace box 104. Specifically, the iris valve 114 is located at the bottom of the adjustable furnace box 104 to close or open the thermal radiation outlet 104a.

[0083] The iris valve 114 specifically includes: a valve motor 114a, a ball screw 114b, a screw nut 114c, and several valve plates 114d. When the valve motor 114a rotates, it drives the ball screw 114b, which in turn causes the screw nut 114c to move, thereby further driving the valve plates to open or close. The advantage of the iris valve 114 is that it can linearly open or close the space, thus allowing for more precise control of heat radiation.

[0084] It should be noted that the valve plate can be made of flame-retardant and heat-resistant materials.

[0085] The rotating base 105 and the device support 103 are rotatably connected about a central axis. The rotating base 105 and the sample tray 101 are anti-rotationally connected to ensure that the sample tray 101 and the rotating base 105 rotate synchronously; the central axis is perpendicular to the horizontal direction.

[0086] In this way, the sample is rotated during the experiment to ensure uniform heating, avoiding the problem of uneven heat radiation caused by factors such as the layout in previous experiments.

[0087] The lifting base 106 and the device support 103 are connected in a sliding manner in the vertical direction, and the lifting base 106 and the rotating base 105 are connected in a rotating manner so that the lifting base 106 and the rotating base 105 can rotate relative to each other.

[0088] The lifting cylinder 107 is used to drive the lifting base 106 to move up and down; the lifting cylinder 107 is at least partially disposed between the lifting base 106 and the device support 103. The rotary motor 108 is used to drive the rotating base 105 to rotate; the rotary motor 108 is fixedly connected to the lifting base 106.

[0089] As a specific solution, two sets of guide sleeves 103e and corresponding guide rods 106a are provided above the base portion 103a of the device bracket 103.

[0090] One end of the guide sleeve 106a is fixedly connected to the lifting base 106, and the other end of the guide sleeve 106a is inserted into the guide sleeve 103e, which is fixed to the base portion 103a. Thus, the guide sleeve 106a and the guide sleeve 103e form a vertical sliding connection between the lifting base 106 and the device support 103. A lifting cylinder 107 is then installed between the lifting base 106 and the base portion 103a, allowing the height of the lifting base to be changed by controlling the lifting cylinder 107.

[0091] The lifting base 106 and the rotating base 105 are rotatably connected by an end-face bearing 121. The rotating base 105 is constructed as a ring structure, and the lifting base 106 is a disk structure embedded in the ring structure. With this structure, the lifting base 106 and the rotating base 105 can rotate relative to each other, and the rotating base 105 can rise and fall together with the lifting base 106.

[0092] The rotating motor 108 has a rotating gear 119 connected to its motor shaft to prevent rotation. The rotating base 105 is fixedly connected to an annular rotating rack 105a. The rotating rack 105a can cooperate with the rotating gear 119 so that the rotating base 105 can rotate relative to the lifting base 106 when the rotating motor 108 rotates. The axis of relative rotation between the lifting base 106 and the rotating base 105 is the central axis.

[0093] The sample tray 101 of this application is not directly fixed to the rotating base 105, but is connected to the rotating base 105 in a flexible manner.

[0094] As a specific embodiment, the rotating base 105 is provided with several positioning posts 105b, and a lifting elastic element 109 is fitted on the positioning posts 105b, thereby providing an elastic force to the sample tray 101 to move it away from the rotating base 105. The lifting elastic element 109 can be a coil spring.

[0095] Multiple lifting elastic elements 109 can be set to provide elastic support for the sample tray 101, thereby providing a more balanced and sufficient support force.

[0096] In addition, the rotating base 105 is provided with several base sleeves 105c. The base sleeves 105c and the positioning posts 105b can be different names for the same part on the rotating base 105, or they can be different parts of the rotating base 105. Figure 13This illustrates a scenario where the base sleeve 105c and the positioning post 105b can be located at the same part of the rotating base 105. Correspondingly, a plurality of tray inserts 101e are formed below the sample tray 101. The tray inserts 101e are inserted into the base sleeve 105c, and this engagement allows for certain guidance and positioning of the sample tray 101.

[0097] As a preferred embodiment, a pressure sensor is installed inside the base sleeve 105c. This pressure sensor can detect the pressure applied by the tray insert 101e, thereby obtaining the weight data on the sample tray 101. As a preferred embodiment, this pressure sensor can be a patch-type pressure sensor.

[0098] As a specific alternative, the sample tray 101 can be configured as an upper tray 101a and a lower tray 101b. A tray insert 101e is located at the bottom of the lower tray 101b. A positioning rod 101c is located at the bottom of the upper tray 101a, and this positioning rod 101c is inserted into a hole in the tray insert 101e, thus establishing an anti-rotation connection between the upper tray 101a and the lower tray 101b. A pressure sensor is positioned between the positioning rod 101c and the tray insert 101e.

[0099] As a specific embodiment, the thermocouple probe 110 is used to detect the temperature of the sample on the sample tray 101; the mounting column 111 is used to mount the thermocouple probe 110; wherein, the thermocouple probe 110 and the mounting column 111 form a rotatable connection about a horizontal axis; the mounting column 111 and the rotating base 105 form a fixed connection and are set on the periphery of the sample tray 101.

[0100] As a preferred embodiment, the pitch elastic element 112 is used to provide an elastic force to the thermocouple probe 110 to bring its detection end close to the sample tray 101.

[0101] More specifically, the middle section of the mounting column 111 has only one mounting bracket 111a, on which a support block 111b is installed. The thermocouple probe 110 is mounted on an L-shaped bracket 111c, which is rotatably connected to the support block 111b. The pitch elastic element 112 is constructed as a helical spring, with one end pressing against the support block 111b and the other end pressing against a limiting cap 111d. The limiting cap 111d is slidably connected to the mounting bracket 111a, and one end of the limiting cap abuts against the L-shaped bracket 111c, thereby applying an elastic force to the thermocouple probe 110 to tilt it downwards. This ensures that the thermocouple probe 110 is always in close contact with the sample on the sample tray 101. Previously, it was necessary to fix the sample first and then fix the thermocouple probe 110, which was extremely inefficient and could not guarantee that the thermocouple probe 110 was always in contact with the sample. The above solution cleverly utilizes the characteristic that the thermocouple probe 110 needs to be in contact with the sample, enabling it to play a positioning role for the sample.

[0102] As an optional solution, the support block 111b is rotatably connected to the mounting bracket 111a so that the thermocouple probe 110 can be rotated to the outside of the sample tray 101, which makes it easier to place the sample to be tested on the upper tray 101a.

[0103] As a preferred embodiment, the solid combustible material radiation pyrolysis testing apparatus 100 of this application also includes millimeter-wave cameras 115, which are mounted on top of the mounting column 111. These millimeter-wave cameras 115 are used to capture millimeter-wave images of the sample. Of course, other cameras can also be used instead.

[0104] In addition, considering the thermocouple probe 110 and other circuit issues, the rotation of the rotating base relative to the lifting base is not a full-circuit unidirectional rotation, but a reciprocating rotation within a certain angle range.

[0105] When using the solid combustible material radiation pyrolysis testing device 100 of this application, the following steps can be taken:

[0106] S1: First, turn on the machine to heat up the heating element 102 and generate heat radiation;

[0107] S2: Clamp the sample in the sample tray 101. At this time, the thermocouple probe 110 can both detect the temperature and fix the sample, avoiding complicated operations.

[0108] S3: After clamping, the solid combustible radiation pyrolysis testing device 100 of this application can be controlled by a mobile phone or other smart terminal to make the translation motor 113 work, move the adjustable furnace box 104 to directly above the sample, align the heat radiation outlet 104a with the sample, and then adjust the opening of the iris valve 114 according to the experimental requirements to obtain the required heat radiation.

[0109] S4: Trigger the rotary motor 108 to make the rotating base 105 rotate, thereby making the sample heat up evenly;

[0110] S5: Timing to determine if the sample has been ignited;

[0111] S6: If it is ignited, the data from the pressure sensor is compared with the data at the beginning of the clamping to obtain the weight loss.

[0112] This undoubtedly improves testing efficiency compared to the existing technology of using electronic scales for weighing. Furthermore, by using image acquisition devices such as the millimeter-wave camera 115, the images can be input into a neural network model to automatically determine whether combustion has occurred, thus reducing reliance on human intervention. Using the millimeter-wave camera 115 effectively avoids the influence of smoke on the images.

[0113] The above description is merely a selection of preferred embodiments of this disclosure and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in the embodiments of this disclosure is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in the embodiments of this disclosure.

Claims

1. A device for testing the radiation pyrolysis of solid combustibles, comprising: Sample tray, used to hold samples to be tested; Heating elements are used to convert electrical energy into heat energy to generate thermal radiation; A device bracket for mounting the sample tray and the heating element such that the heating element is positioned above the sample tray; Its features are: The solid combustible material radiation pyrolysis testing device also includes: Adjustable furnace box for accommodating the heating element; The rotating base and the device support form a rotatable connection about the central axis; The adjustable furnace box and the device support are connected in a horizontal direction; the rotating base and the sample tray are connected in an anti-rotation connection so that the sample tray and the rotating base rotate synchronously; the central axis is perpendicular to the horizontal direction. The solid combustible material radiation pyrolysis testing device also includes: The lifting base is slidably connected to the device support in the vertical direction; The lifting platform and the rotating platform are rotatably connected so that the lifting platform and the rotating platform can rotate relative to each other; The solid combustible material radiation pyrolysis testing device also includes: A lifting cylinder is used to drive the lifting base to move up and down. The lifting cylinder is at least partially disposed between the lifting base and the device support; The solid combustible material radiation pyrolysis testing device also includes: A rotary motor is used to drive the rotating base to rotate; The rotary motor and the lifting base are fixedly connected. The solid combustible material radiation pyrolysis testing device also includes: A lifting elastic element is used to provide an elastic force to the sample tray, moving it away from the rotating base; The lifting elastic element is at least partially disposed between the rotating base and the sample tray; The solid combustible material radiation pyrolysis testing device also includes: A thermocouple probe is used to detect the temperature of the sample on the sample tray; Mounting column for mounting the thermocouple probe; The thermocouple probe and the mounting column are rotatably connected about a horizontal axis; the mounting column and the rotating base are fixedly connected and are disposed around the sample tray. The solid combustible material radiation pyrolysis testing device also includes: A pitch elastic element is used to provide an elastic force to the thermocouple probe, bringing its detection end closer to the sample tray.

2. The solid combustible material radiation pyrolysis testing device according to claim 1, characterized in that: The solid combustible material radiation pyrolysis testing device also includes: A translation motor is used to drive the adjustable furnace box to move horizontally; The translation motor is fixedly connected to the adjustable furnace box.

3. The solid combustible material radiation pyrolysis testing device according to claim 2, characterized in that: The solid combustible material radiation pyrolysis testing device also includes: An iris valve is used to adjust the opening size of the adjustable furnace box; The adjustable furnace box has a heat radiation outlet at its bottom; the iris valve is located at the bottom of the adjustable furnace box to close or open the heat radiation outlet.

4. The solid combustible material radiation pyrolysis testing device according to claim 3, characterized in that: The heating element is constructed as a tapered electric heating tube.

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