Gas environment ultrahigh temperature loading device

Abstract

The utility model provides a kind of gas environment ultrahigh temperature loading device, it relates to a kind of high temperature loading device, including water-cooling ventilation plate, fixed seat, high temperature and ventilation body component and water-cooled upper cover being installed in CT adapter sequentially stacked installation, high temperature and ventilation body component include outer layer heat preservation cylinder, heat insulation cylinder, inner layer heat preservation cylinder and gas cavity cylinder being sequentially arranged from outside to inside, heat insulation cylinder and gas cavity cylinder are installed between water-cooled upper cover and fixed seat, and both ends are sealed with sealing ring one, and there is gap between inner layer heat preservation cylinder top end and water-cooled upper cover, vacuum air passage is equipped in water-cooling ventilation plate, air inlet channel and exhaust passage that are connected to gas cavity cylinder are further equipped in water-cooling ventilation plate, the utility model is a kind of in the device of real-time detection of sample by ray imaging under the ray field of industrial CT, synchrotron radiation light source etc., and 1500 ℃ upper ultrahigh temperature temperature field loading can be realized by specific gas atmosphere, structure small and compact, also convenient for overall integration.

Description

Technical Field

[0001] This utility model relates to a high-temperature loading device, and more particularly to a gas environment ultra-high temperature loading device. Background Technology

[0002] The gas environment ultra-high temperature loading device is a device used to load materials under high temperature and specific gas atmosphere conditions. When combined with X-ray imaging technologies such as industrial CT and synchrotron radiation sources, it can also monitor the microstructure evolution of materials in real time under high temperature and gas environment. However, in the existing technology, traditional high temperature loading devices lack the function of introducing gas atmosphere and are difficult to meet the current scientific research fields such as aerospace for detection at temperatures above 1500℃. Utility Model Content

[0003] The purpose of this invention is to provide a gas environment ultra-high temperature loading device, which is a device for real-time detection of samples through X-ray imaging under X-ray fields such as industrial CT and synchrotron radiation sources. It can achieve ultra-high temperature field loading of 1500℃ through a specific gas atmosphere to simulate the real service environment of materials, providing effective data support for the research and development of new materials. Moreover, the structure is miniaturized and can be easily integrated into the micro turntable of industrial CT or synchrotron radiation sources.

[0004] This utility model provides the following technical solution:

[0005] A gas environment ultra-high temperature loading device includes a water-cooled ventilation plate, a fixed base, a high-temperature and gas-venting assembly, and a water-cooled top cover, which are stacked sequentially on a CT adapter. The water-cooled top cover contains a cooling water pipe that circulates water through an inlet and an outlet connector. A positive electrode rod and a negative electrode rod are located within the water-cooled top cover. One end of each electrode rod protruding from the top cover is connected to a positive terminal and a negative terminal, respectively. The ends of each electrode rod entering the high-temperature and gas-venting assembly are connected to the two ends of a set of heating elements. The high-temperature and gas-venting assembly comprises elements arranged from the outside inwards... The system consists of an outer insulation cylinder, a heat insulation cylinder, an inner insulation cylinder, and a gas chamber. The heat insulation cylinder and the gas chamber are installed between the water-cooled top cover and the mounting base, with both ends sealed with sealing rings. The inner insulation cylinder is fixed to the mounting base, with a gap between its top and the water-cooled top cover. The water-cooled venting plate contains a vacuum channel, which connects to the heat insulation cylinder and the inner insulation cylinder through the gap between the water-cooled venting plate and the mounting base. The water-cooled venting plate also contains an inlet channel and an exhaust channel connecting to the gas chamber. The specimen is positioned in the gas chamber by a positioning block fixed to the mounting base.

[0006] Thus, the device of this invention is divided into two chambers: a vacuum high-temperature chamber and a special gas chamber. The space inside the gas chamber is the special gas chamber. The vacuum high-temperature chamber has a vacuum function and is connected to an external vacuum pump through a vacuum evacuation channel. The vacuum high-temperature chamber can effectively protect the heating element from damage when it is powered on and generates high temperature. The special gas chamber can be used to introduce various gases, such as oxygen, hydrogen, carbon monoxide, carbon dioxide, etc., which can realistically simulate the working conditions of the sample in service. The external special gas flows into the special gas chamber through the inlet of the inlet channel. The pressure of the gas entering can be controlled according to the test requirements. When the ideal pressure is reached, the exhaust port of the exhaust channel is opened by a small opening to allow the gas to flow out slowly. At this time, it can be ensured that the special gas chamber is filled with the required gas pressure, so that the sample can be tested at high temperature in a special gas atmosphere.

[0007] Preferably, the positive electrode rod and the negative electrode rod are covered with insulating rubber sleeves, and insulating pads are provided between the two ends of the rods that protrude from the water-cooling top cover and the water-cooling top cover. The two sides of the insulating pads are pressed and sealed by sealing rings to ensure that there is no air leakage during vacuuming.

[0008] Preferably, the positive and negative electrode rods pass through the insulating pad and are locked to the heating element by the electrode nuts. This ensures that the positive and negative electrode rods are well fixed to the heating element while being insulated from the water-cooled top cover, and also facilitates disassembly and assembly. The positive and negative terminals installed on the positive and negative electrode rods can be connected to external cables to allow heating current to flow through them. This external current flows to both ends of the heating element, causing it to generate heat and release it outwards. To ensure that the high-temperature heat from the heating element is properly transferred to the sample inside, good insulation is required. The inner insulation cylinder is fixed to the mounting base, and the heat insulation cylinder is installed between the water-cooled top cover and the mounting base, sealed with sealing ring one to prevent air leakage during vacuuming. The vacuum nozzle of the vacuum channel is connected to an external vacuum pump. After the external vacuum pump is powered on, it can remove all the air from the high-temperature vacuum chamber where the heating element is located, ensuring a certain degree of vacuum to meet the needs of the heating element to generate heat efficiently. The high-temperature vacuum chamber is also sealed by sealing ring one and sealing ring two, thus ensuring a high degree of vacuum and preventing air leakage.

[0009] The beneficial effects of this utility model are:

[0010] This utility model provides a gas environment ultra-high temperature loading device, which is a device for real-time detection of samples through X-ray imaging under X-ray fields such as industrial CT and synchrotron radiation sources. It can achieve ultra-high temperature field loading of 1500℃ through a specific gas atmosphere to simulate the real service environment of materials, providing effective data support for the research and development of new materials. Moreover, the structure is miniaturized and can be easily integrated into the micro turntable of industrial CT or synchrotron radiation sources. Attached Figure Description

[0011] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0012] Figure 1 This is a schematic diagram of the appearance of this utility model;

[0013] Figure 2 yes Figure 1 Front view sectional view;

[0014] Figure 3 This is a partially enlarged schematic diagram of the end of the negative electrode rod;

[0015] Figure 4 yes Figure 1 The diagram shows a side view of the vacuum duct.

[0016] Figure 5 yes Figure 1 The image shows a side sectional view of the intake and exhaust passages.

[0017] Markings in the diagram:

[0018] 1. CT adapter; 2. Water-cooled ventilation plate; 3. Fixing base; 4. High-temperature and gas ventilation assembly; 5. Water-cooled top cover; 6. Water inlet connector; 7. Water outlet connector; 8. Positive electrode rod; 9. Negative electrode rod; 10. Positive terminal; 11. Negative terminal; 12. Heating element; 13. Vacuum evacuation channel; 14. Air inlet channel; 15. Exhaust channel; 16. Specimen; 17. Insulating rubber sleeve; 18. Insulating pad; 19. Sealing ring II; 20. Electrode nut; 41. Outer insulation cylinder; 42. Heat insulation cylinder; 43. Inner insulation cylinder; 44. Gas chamber cylinder; 45. Sealing ring I; 46. Vacuum high-temperature chamber. Detailed Implementation

[0019] like Figure 1-5As shown, a gas environment ultra-high temperature loading device, in this embodiment, includes a water-cooled ventilation plate 2, a fixing base 3, a high-temperature and gas-venting assembly 4, and a water-cooled top cover 5, which are stacked sequentially on a CT adapter 1. The water-cooled top cover 5 is equipped with a cold water pipe and achieves water cooling circulation through a water inlet connector 6 and a water outlet connector 7. The water-cooled top cover 5 is equipped with a positive electrode rod 8 and a negative electrode rod 9. One end of the positive electrode rod 8 and the negative electrode rod 9 that protrudes from the water-cooled top cover 5 is connected to a positive terminal 10 and a negative terminal 11, respectively. The one end of the positive electrode rod 8 and the negative electrode rod 9 that protrudes into the high-temperature and gas-venting assembly 4 is connected to both ends of a set of heating elements 12, respectively. The high-temperature and gas-venting assembly 4 includes an outer layer arranged sequentially from the outside to the inside. The system comprises an inner insulation cylinder 41, a heat insulation cylinder 42, an inner insulation cylinder 43, and a gas chamber 44. The heat insulation cylinder 42 and the gas chamber 44 are both installed between the water-cooled top cover 5 and the fixing base 3, and both ends are sealed with sealing rings 45. The inner insulation cylinder 43 is fixed to the fixing base 3, with a gap between its top and the water-cooled top cover 5. The water-cooled venting plate 2 has a vacuum channel 13, which connects to the heat insulation cylinder 42 and the inner insulation cylinder 43 through the gap between the water-cooled venting plate 2 and the fixing base 3. The water-cooled venting plate 2 also has an air inlet channel 14 and an air outlet channel 15 connecting to the gas chamber 44. The specimen 16 is positioned in the gas chamber 44 by a positioning block fixed to the fixing base 3.

[0020] Thus, the device of the present invention is divided into two chambers: a vacuum high-temperature chamber 46 and a special gas chamber. The space inside the gas chamber 44 is the special gas chamber. The vacuum high-temperature chamber 46 has a vacuum function and is connected to an external vacuum pump through the vacuum evacuation channel 13. The vacuum high-temperature chamber can effectively protect the heating element 12 from damage when it is powered on and generates high temperature. The special gas chamber can be used to introduce various gases, such as oxygen, hydrogen, carbon monoxide, carbon dioxide, etc., which can realistically simulate the working conditions of the sample in service. The external special gas flows into the special gas chamber through the inlet of the inlet channel 14. The pressure of the gas entering can be controlled according to the test requirements. When the ideal pressure is reached, the exhaust port of the exhaust channel 15 is opened by a certain small opening to allow the gas to flow out slowly. At this time, it can be ensured that the special gas chamber is filled with the required gas pressure, so that the sample can be tested at high temperature in a special gas atmosphere.

[0021] The positive electrode rod 8 and the negative electrode rod 9 are covered with insulating rubber sleeves 17. The two ends of the rods that protrude from the water-cooled top cover 5 are also provided with insulating pads 18 between them and the water-cooled top cover 5. The two sides of the insulating pads 18 are pressed and sealed by sealing rings 19 to ensure that there is no air leakage during vacuuming.

[0022] The positive electrode rod 8 and negative electrode rod 9 pass through the insulating pad 18 and are locked and fixed to the heating element 12 by the electrode nut 20. This ensures that the positive electrode rod 8 and negative electrode rod 9 are well fixed to the heating element 12 while being insulated from the water-cooled top cover 5, and also facilitates disassembly and assembly. The positive terminal 10 and negative terminal 11 installed on the positive electrode rod 8 and negative electrode rod 9 can be connected to external cables to allow heating current to flow through. This external current flows to both ends of the heating element 12, causing the heating element 12 to generate heat and release it outwards. This ensures that the high-temperature heat of the heating element 12 is properly transferred to the interior. Therefore, good heat preservation is required on the sample. The inner heat preservation cylinder is fixed to the fixed base 3. The heat insulation cylinder 42 is installed between the water-cooled top cover 5 and the fixed base 3 and sealed with sealing ring 45 to prevent air leakage during vacuuming. The vacuum nozzle of the vacuum channel 13 is connected to the external vacuum pump. After the external vacuum pump is powered on, the air in the vacuum high-temperature cavity where the heating element 12 is located can be evacuated to ensure a certain degree of vacuum and meet the requirements of the heating element 12 to generate heat efficiently. The vacuum high-temperature cavity is also sealed by sealing ring 45 and sealing ring 19, which can ensure the degree of vacuum and prevent air leakage.

[0023] The working principle of this invention is as follows: The device is divided into two chambers: a vacuum high-temperature chamber and a special gas chamber. The space inside the gas chamber 44 is the special gas chamber. The vacuum high-temperature chamber has a vacuum function and is connected to an external vacuum pump through the vacuum evacuation channel 13. The vacuum high-temperature chamber can effectively protect the heating element 12 from damage when it is powered on and generates high temperature. The special gas chamber can be used to introduce various gases, such as oxygen, hydrogen, carbon monoxide, carbon dioxide, etc., which can realistically simulate the working conditions of the sample in service. The external special gas flows into the special gas chamber through the inlet of the inlet channel 14. The pressure of the gas entering can be controlled according to the test requirements. When the ideal pressure is reached, the exhaust port of the exhaust channel 15 is opened by a certain small opening to allow the gas to flow out slowly. At this time, it can be ensured that the special gas chamber is filled with the required gas pressure, so that the sample can be tested at high temperature in a special gas atmosphere.

[0024] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A gas ambient ultra-high temperature loading apparatus, characterized by, The system includes a water-cooled ventilation plate, a mounting base, a high-temperature and gas-venting assembly, and a water-cooled top cover, all stacked sequentially on a CT adapter. The water-cooled top cover contains a cooling water pipe that circulates water through an inlet and outlet connector. A positive electrode rod and a negative electrode rod are located within the water-cooled top cover. One end of each electrode rod protruding from the top cover is connected to a positive terminal and a negative terminal, respectively. The ends of each electrode rod entering the high-temperature and gas-venting assembly are connected to both ends of a set of heating elements. The high-temperature and gas-venting assembly includes an outer layer of insulation arranged sequentially from the outside in. The test specimen comprises a heat-insulating cylinder, a heat-insulating cylinder, an inner heat-insulating cylinder, and a gas chamber. The heat-insulating cylinder and the gas chamber are installed between the water-cooled top cover and the fixed base, and both ends are sealed with sealing rings. The inner heat-insulating cylinder is fixed on the fixed base, with a gap between its top and the water-cooled top cover. The water-cooled venting plate is provided with a vacuum duct, which connects to the heat-insulating cylinder and the inner heat-insulating cylinder through the gap between the water-cooled venting plate and the fixed base. The water-cooled venting plate is also provided with an air inlet channel and an air outlet channel that connect to the gas chamber. The test specimen is positioned in the gas chamber by a positioning block fixed on the fixed base.

2. The gas ambient ultra-high temperature loading apparatus according to claim 1, wherein, The positive electrode rod and the negative electrode rod are covered with insulating rubber sleeves, and insulating pads are provided between the two ends of the rods that protrude from the water-cooling top cover and the water-cooling top cover. The two sides of the insulating pads are pressed and sealed by sealing rings.

3. The apparatus according to claim 1, wherein The positive and negative electrode rods pass through the insulating pad and are locked and fixed to the heating element by the electrode nut.

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