Device for detecting flame retardance of flame-retardant magnesium alloy
By designing a flame-retardant magnesium alloy testing device that includes a combustion furnace, fixtures, a flame-spraying section, and a temperature measuring section, the problem that existing devices cannot comprehensively test flame-retardant performance has been solved. Real-time monitoring of ignition point, oxidation weight gain, and combustion process has been achieved, improving the safety and accuracy of the test.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANXI RUIGE ZHONGBEI LIGHT METAL NEW MATERIALS CO LTD
- Filing Date
- 2025-04-21
- Publication Date
- 2026-05-05
AI Technical Summary
Existing flame retardant performance testing devices cannot simultaneously detect the ignition point, oxidation weight gain, and combustion process of flame retardant magnesium alloys, thus failing to meet the requirements for accuracy and comprehensiveness in testing.
A flame-retardant magnesium alloy flame-retardant performance testing device was designed, which includes a combustion furnace, fixture, flame spraying section, temperature measuring section and observation port. It can record the weight and temperature changes of the sample in real time, and ensure oxygen supply through ventilation port to simulate the actual working environment.
It enables comprehensive detection of the ignition point, oxidation weight gain, and combustion process of flame-retardant magnesium alloys, improving the safety and accuracy of experiments and simulating actual working environments.
Smart Images

Figure CN224203147U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of flame retardant performance testing equipment, and in particular relates to a flame retardant performance testing device for magnesium alloys. Background Technology
[0002] Currently, the field of flame retardant performance testing equipment for flame-retardant magnesium alloys has high demands for testing the alloy's flame retardant properties. To ensure accuracy, flame retardant performance testing devices need to detect not only the alloy's ignition point but also its oxidation weight gain and oxidation time, and also monitor the alloy's combustion process in real time. However, current flame retardant performance testing devices can only perform single-function testing. Therefore, there is an urgent need for a flame retardant performance testing device for magnesium alloys that can simultaneously meet all of these requirements. Utility Model Content
[0003] The purpose of this invention is to provide a device for testing the flame retardant properties of magnesium alloys to solve the above-mentioned problems.
[0004] To achieve the above objectives, this utility model provides the following solution:
[0005] A flame-retardant magnesium alloy flame-retardant performance testing device, comprising:
[0006] A combustion furnace, wherein ventilation openings are provided on the side wall of the combustion furnace, and a furnace door is hinged to one side of the combustion furnace, and an observation port is provided on the furnace door;
[0007] The sample is located inside the combustion furnace;
[0008] A clamp, one end of which is used to hold one end of the sample, and the other end of which is placed on a weighing unit located inside the combustion furnace;
[0009] The flame-emitting part has an ignition end facing the end of the sample away from the fixture, and the flame-emitting part is used to ignite the sample.
[0010] The temperature measuring unit has a measuring end located on the combustion end side of the sample, and the fixed end of the temperature measuring unit is fixedly connected to the inner wall of the combustion furnace. The temperature measuring unit is used to detect the combustion temperature of the sample.
[0011] Optionally, the fixture includes an experimental base, a support rod fixedly connected to the top of the experimental base, a fixed frame sliding vertically on the support rod, and one end of a longitudinal connecting rod fixedly connected to the fixed frame. In use, the longitudinal connecting rod is set at an angle to the support rod, and a clamp is fixedly connected to the other end of the longitudinal connecting rod.
[0012] The experimental base is placed on the weighing unit.
[0013] Optionally, the weighing unit includes an electronic balance, which is placed inside the combustion furnace;
[0014] The experimental base is placed on the electronic balance.
[0015] Optionally, the flame-spraying part includes a flame gun base, the flame gun base is fixedly connected to the combustion furnace, a flame gun is fixedly connected to the flame gun base, and the ignition end of the flame gun is positioned towards the sample.
[0016] Optionally, the temperature measuring unit includes a thermocouple, with the measuring end of the thermocouple located on the combustion end side of the sample, and the fixed end of the thermocouple fixedly connected to the inner wall of the combustion furnace.
[0017] Optionally, the temperature measurement range of the thermocouple is 0℃-1300℃.
[0018] Optionally, the flame temperature range of the flame gun is 800℃-1300℃.
[0019] Optionally, the electronic balance is a 0.1% balance.
[0020] Compared with the prior art, the present invention has the following advantages and technical effects:
[0021] In use, the sample is installed in the combustion furnace using a clamp, which is placed on the weighing unit. The sample is ignited by the flame jet and the combustion temperature is measured by the temperature measuring unit. The observation port facilitates observation of the combustion process, and the ventilation port ensures oxygen supply. Compared to traditional technologies, this device can record the changes in sample weight and temperature in real time during the combustion experiment. Combining these two data provides a more comprehensive understanding of the entire experimental process. The furnace body isolates the combustion experiment, improving safety. Furthermore, the observation port allows for monitoring and recording of the entire combustion process, enabling real-time control of the experiment. The ventilation holes on the furnace wall ensure air circulation within the furnace, simulating the actual working environment. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is a schematic diagram of the structure of this utility model;
[0024] Figure 2 This is a schematic diagram of the flame-throwing part of this utility model;
[0025] The components include: 1. Electronic balance; 2. Experimental base; 3. Support rod; 4. Longitudinal connecting rod; 5. Fixing frame; 6. Combustion furnace; 7. Thermocouple; 8. Clamp; 9. Sample; 10. Flame gun; 11. Flame gun base; 12. Furnace door; 13. Observation port; 14. Ventilation port. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0028] Reference Figures 1 to 2 This utility model discloses a flame-retardant performance testing device for magnesium alloys, comprising:
[0029] The combustion furnace 6 has a ventilation opening 14 on its side wall and a furnace door 12 hinged to one side of the combustion furnace 6. An observation opening 13 is provided on the furnace door 12.
[0030] Sample 9 is located inside combustion furnace 6;
[0031] A clamp, one end of which is used to hold one end of the sample 9, and the other end of which is placed on the weighing part, which is located inside the combustion furnace 6;
[0032] The ignition end of the flame jet faces the end of the sample 9 away from the fixture, and the flame jet is used to ignite the sample 9.
[0033] The temperature measuring unit has its measuring end located on the combustion end side of the sample 9, and its fixed end is fixedly connected to the inner wall of the combustion furnace 6. The temperature measuring unit is used to detect the combustion temperature of the sample 9.
[0034] In use, sample 9 is installed in combustion furnace 6 using a clamp, which is placed on the weighing unit. Sample 9 is ignited by the flame jet and the combustion temperature of sample 9 is measured by the temperature measuring unit. The observation port 13 facilitates observation of the combustion process of sample 9, and the ventilation port 14 ensures oxygen supply. Compared with traditional technology, this device can record the changes in the weight and temperature of the sample in real time during the combustion experiment. Combining these two data provides a more comprehensive understanding of the entire experimental process. The furnace body isolates the combustion experiment, improving the safety of the experiment. Furthermore, the observation port allows for observation and recording of the entire combustion experiment process, enabling control of the experimental progress at any time. The ventilation holes on the furnace wall ensure air circulation inside the furnace, simulating the actual working environment.
[0035] As an optional implementation, the fixture includes an experimental base 2, a support rod 3 fixedly connected to the top of the experimental base 2, a fixed frame 5 vertically sliding on the support rod 3, and one end of a longitudinal connecting rod 4 fixedly connected to the fixed frame 5. In use, the longitudinal connecting rod 4 is set at an angle to the support rod 3, and the other end of the longitudinal connecting rod 4 is fixedly connected to a clamp 8.
[0036] Experimental base 2 is placed on the weighing section.
[0037] As an optional implementation, the weighing unit includes an electronic balance 1, which is placed inside the combustion furnace 6;
[0038] Experimental base 2 is placed on electronic balance 1.
[0039] As an optional implementation, the flame-spraying part includes a flame gun base 11, which is fixedly connected to the combustion furnace 6. A flame gun 10 is fixedly connected to the flame gun base 11, and the ignition end of the flame gun 10 is positioned towards the sample 9.
[0040] As an optional implementation, the temperature measuring unit includes a thermocouple 7, with the measuring end of the thermocouple 7 located on the combustion end side of the sample 9, and the fixed end of the thermocouple 7 fixedly connected to the inner wall of the combustion furnace 6.
[0041] As an optional implementation, the temperature measurement range of thermocouple 7 is 0℃-1300℃.
[0042] As an optional implementation, the flame temperature range of the flame gun 10 is 800°C-1300°C.
[0043] As an optional implementation, the electronic balance 1 is a 0.1% balance.
[0044] This device includes an experimental base 2 and an electronic balance 1 under the base that can detect and record the weight of the sample in real time. A support rod 3 is connected to the experimental base 2. The support rod 3 is connected to a longitudinal connecting rod 4 through a movable fixing frame 5. The longitudinal connecting rod 4 is connected to a clamp 8 that holds the sample. The clamp 8 fixes the sample 9 in a designated position. A flame gun 10 is also placed inside the furnace. The flame size can be adjusted by a knob to further control the flame temperature. A thermocouple 7 is inserted through a small hole on the furnace, with the probe positioned at the sample to monitor the sample temperature change in real time. There is an observation port 13 on the furnace door 12, which can be used to observe and record the experimental process. There are ventilation openings 14 on the furnace wall to ensure air circulation inside the furnace.
[0045] The functions and implementation process of each part of this device are as follows:
[0046] The electronic balance 1 has high sensitivity and can measure mass changes of one-thousandth of a gram. The weighing pan of the electronic balance 1 is connected to the experimental base 2, and further connected to the support rod 3, the longitudinal connecting rod 4, and the clamp 8. The test sample 9 is fixed on the clamp 8. During the combustion experiment, the electronic balance 1 can monitor and record the weight change of the sample in real time.
[0047] The angle range of the fixing bracket 5 on the support rod 3 is -90° to +90°, and the vertical position can also be adjusted. Different positions can be adjusted according to different samples.
[0048] The flame gun 10 can be moved horizontally via the flame gun base 11, and the flame position can be adjusted according to different samples. The flame temperature range of the flame gun 10 is 800℃-1300℃.
[0049] Thermocouple 7 has a temperature measurement range of 0℃-1300℃ and can record the sample temperature in real time.
[0050] The observation port 13 allows the experimenter to observe the entire combustion experiment process in real time, and can also be used to record the combustion experiment with video equipment, which is convenient for monitoring changes in sample weight and the sample.
[0051] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0052] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.
Claims
1. A device for testing the flame retardant properties of magnesium alloys, characterized in that, include: A combustion furnace (6) is provided with a ventilation opening (14) on its side wall. A furnace door (12) is hinged to one side of the combustion furnace (6). An observation opening (13) is provided on the furnace door (12). The sample (9) is located inside the combustion furnace (6); A clamp, one end of which is used to hold one end of the sample (9), and the other end of which is placed on a weighing part located inside the combustion furnace (6); The flame-emitting part has an ignition end facing the end of the sample (9) away from the fixture, and the flame-emitting part is used to ignite the sample (9). The temperature measuring part has a measuring end located on the combustion end side of the sample (9), and the fixed end of the temperature measuring part is fixedly connected to the inner wall of the combustion furnace (6). The temperature measuring part is used to detect the combustion temperature of the sample (9).
2. The flame-retardant performance testing device for magnesium alloys according to claim 1, characterized in that: The fixture includes an experimental base (2), a support rod (3) is fixedly connected to the top of the experimental base (2), a fixed frame (5) is vertically slidable on the support rod (3), and one end of a longitudinal connecting rod (4) is fixedly connected to the fixed frame (5). When in use, the longitudinal connecting rod (4) is set at an angle to the support rod (3), and the other end of the longitudinal connecting rod (4) is fixedly connected to a clamp (8). The experimental base (2) is placed on the weighing section.
3. The flame-retardant performance testing device for magnesium alloys according to claim 2, characterized in that: The weighing unit includes an electronic balance (1), which is placed inside the combustion furnace (6); The experimental base (2) is placed on the electronic balance (1).
4. The flame-retardant performance testing device for magnesium alloys according to claim 1, characterized in that: The flame-spraying part includes a flame gun base (11), which is fixedly connected to the combustion furnace (6). A flame gun (10) is fixedly connected to the flame gun base (11), and the ignition end of the flame gun (10) is positioned towards the sample (9).
5. The flame-retardant performance testing device for magnesium alloys according to claim 1, characterized in that: The temperature measuring unit includes a thermocouple (7), the temperature measuring end of the thermocouple (7) is located on the combustion end side of the sample (9), and the fixed end of the thermocouple (7) is fixedly connected to the inner wall of the combustion furnace (6).
6. The flame-retardant performance testing device for magnesium alloys according to claim 5, characterized in that: The temperature measurement range of the thermocouple (7) is 0℃-1300℃.
7. The flame-retardant performance testing device for magnesium alloys according to claim 4, characterized in that: The flame temperature range of the flame gun (10) is 800℃-1300℃.
8. The flame-retardant performance testing device for magnesium alloys according to claim 3, characterized in that: The electronic balance (1) is a 0.1% balance.