A magnetic stirring mechanism and an experimental device for simulating the exploitation of water-bearing gas reservoirs.

Abstract

This utility model relates to the field of natural gas extraction technology, specifically to a magnetic stirring mechanism and an experimental device for simulating the extraction of water-bearing gas reservoirs. The magnetic stirring mechanism includes a first heat-insulating sleeve and a second heat-insulating sleeve. A first magnetic component is embedded in the first heat-insulating sleeve, which is connected to a support rod, which in turn is connected to a drive mechanism. A second magnetic component is embedded in the second heat-insulating sleeve, which is connected to a stirring frame. Both the first and second heat-insulating sleeves comprise quartz ceramic structural components. This design reduces the heat directly transferred to the first and second magnetic components, effectively preventing demagnetization. Simultaneously, the support rod increases the structural strength of the first heat-insulating sleeve, and the stirring frame increases the structural strength of the second heat-insulating sleeve, making the magnetic stirring mechanism structurally stable and improving its performance. The experimental device using this magnetic stirring mechanism is less prone to demagnetization and exhibits stable rotation.

Description

Technical Field

[0001] This utility model relates to the field of natural gas extraction technology, specifically to a magnetic stirring mechanism and an experimental device for simulating the extraction of water-bearing gas reservoirs. Background Technology

[0002] A magnetic stirrer is a mechanism that uses the effect of a magnetic field to achieve contactless power transmission through magnetic coupling, thereby driving the stirring blades to rotate and achieve stirring. When a magnetic stirrer is used in a high-temperature environment, the high temperature will affect the magnetism of the magnet. If the magnet is used in a high-temperature environment for a long time, it will be demagnetized, which will increase the probability of the stirring not being able to be achieved.

[0003] Water-bearing gas reservoirs contain both natural gas and water, with complex gas-water distribution and various types of water bodies such as edge water, bottom water, or interlayer water. The presence of these water bodies affects the seepage channels of natural gas and reservoir properties. Some water-bearing gas reservoirs have low permeability and strong heterogeneity, making them more difficult to extract than conventional natural gas. To help personnel better understand and become familiar with the extraction process of water-bearing gas reservoirs, existing technologies use simulation-developed experimental devices to simulate the extraction of water-bearing gas reservoirs, typically employing magnetic stirrers. For example, Chinese Utility Model Patent Publication No. CN109513414B proposes a multifunctional insulated reactor for simulating the extraction of natural gas hydrates. By creating an insulated environment for the reactor and directly injecting heat into the reactor with electric heating rods, the depressurization, heating, and displacement processes of natural gas hydrates can be simulated in the laboratory. However, because the magnetic stirrer in the reactor is subjected to high temperatures inside the reactor for extended periods, it is prone to demagnetization, causing the motor to fail to drive the stirring operation, thus affecting the normal use of the magnetic stirring mechanism. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of existing magnetic stirring mechanisms in the prior art, which are easily affected by high temperatures when applied to high-temperature environments, resulting in demagnetization and affecting the normal use of the magnetic stirring mechanism. This invention provides an experimental device for simulating the exploitation of water-bearing gas reservoirs.

[0005] In a first aspect, the present invention provides a magnetic stirring mechanism, comprising:

[0006] A first heat insulation sleeve, on which a first magnetic component is embedded, the first heat insulation sleeve is connected to a support rod, and the support rod is connected to a drive mechanism;

[0007] The second heat insulation sleeve is provided with a second magnetic component embedded in it, and the second heat insulation sleeve is connected to the stirring rack.

[0008] The first heat-insulating sleeve and the second heat-insulating sleeve are spaced apart, and the first magnetic component and the second magnetic component are arranged opposite to each other;

[0009] The first heat insulation sleeve and the second heat insulation sleeve each include quartz ceramic material structural components.

[0010] This utility model discloses a magnetic stirring mechanism that uses a first and second heat-insulating sleeve made of quartz ceramic material to limit the installation of a first and a second magnetic component. Based on the good heat resistance and heat insulation properties of the quartz ceramic material, the heat directly transferred to the first and second magnetic components is reduced, effectively preventing demagnetization. At the same time, the structural strength of the first heat-insulating sleeve is increased by the support rod, and the structural strength of the second heat-insulating sleeve is increased by the stirring frame, making the magnetic stirring mechanism structurally stable and improving its performance.

[0011] Preferably, the first magnetic component includes a first magnet and a second magnet, which are arranged alternately around the support rod. The second magnetic component includes a third magnet and a fourth magnet, which are arranged alternately around the stirring rack. The first magnet and the third magnet are magnetically attracted to each other, while the second magnet and the fourth magnet are magnetically repelled. This allows the first, second, third, and fourth magnets to achieve contactless rotation under the action of the driving mechanism through mutual attraction or repulsion.

[0012] Preferably, at least two of the first magnets are stacked, and at least two of the second magnets are stacked to further increase the magnetism of the first magnetic component.

[0013] Preferably, at least two of the third magnets and at least two of the fourth magnets are stacked together to further enhance the magnetism of the second magnetic component.

[0014] Preferably, the first heat-insulating sleeve has a first mating surface, and the second heat-insulating sleeve has a second mating surface. The first mating surface and the second mating surface are spaced apart and opposite to each other. The first magnetic component is embedded in the first mating surface, and the second magnetic component is embedded in the second mating surface. This achieves stable installation of the first magnetic component and the second magnetic component.

[0015] Preferably, the first heat-insulating sleeve includes a first cylindrical portion and a second cylindrical portion, which are coaxially arranged. The outer diameter of the second cylindrical portion is larger than that of the first cylindrical portion. The first magnetic component is embedded in the second cylindrical portion, and the support rod is coaxially arranged in the first cylindrical portion. This design results in a wider contact area between the support rod and the first cylindrical portion, leading to a more stable connection. The first magnetic component is stably positioned and has a relatively wide corresponding surface with the second magnetic component on the second heat-insulating sleeve, achieving stable contactless rotational drive.

[0016] Preferably, the second heat-insulating sleeve includes a third cylindrical portion and a conical end portion, the third cylindrical portion being disposed opposite to the second cylindrical portion, the second magnetic component being embedded in the third cylindrical portion, and the stirring rack being coaxially disposed in the conical end portion. This results in a wider contact area between the stirring rack and the second heat-insulating sleeve, a more stable connection, and stable installation of the second magnetic component.

[0017] Preferably, the first magnetic component and the second magnetic component respectively include samarium cobalt magnets or high-temperature resistant neodymium iron boron magnets.

[0018] Preferably, both the support rod and the stirring rack are stainless steel structural components.

[0019] In a second aspect, this utility model provides an experimental device for simulating the exploitation of a water-bearing gas reservoir, including a vessel body and a vessel lid. The vessel lid is provided with a magnetic stirring mechanism as described above. The vessel lid is connected to the top of the vessel body and is provided with an air inlet, an air outlet, a temperature sensor, a pressure sensor, and an electric heater.

[0020] The experimental device for simulating the exploitation of water-bearing gas reservoirs of this utility model adopts the above-mentioned magnetic stirring mechanism, which is not prone to demagnetization and has stable rotation.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0022] 1. This utility model provides a magnetic stirring mechanism, which uses a first heat-insulating sleeve and a second heat-insulating sleeve made of quartz ceramic material to limit the installation of a first magnetic component and a second magnetic component. Based on the good heat resistance and heat insulation of the quartz ceramic material structural component, the heat directly transferred to the first magnetic component and the second magnetic component can be reduced, effectively avoiding the occurrence of demagnetization.

[0023] 2. This utility model provides a magnetic stirring mechanism. By increasing the structural strength of the first heat insulation sleeve through the support rod and increasing the structural strength of the second heat insulation sleeve through the stirring frame, the magnetic stirring mechanism can be made structurally stable, which is beneficial to improving the performance.

[0024] 3. This utility model provides an experimental device for simulating the exploitation of water-bearing gas reservoirs. By adopting the above-mentioned magnetic stirring mechanism, demagnetization and demagnetization are less likely to occur and the rotation is stable. Attached Figure Description

[0025] Figure 1 This is an isometric view of a magnetic stirring mechanism according to Example 1.

[0026] Figure 2 This is an exploded structural diagram of a magnetic stirring mechanism according to Example 1.

[0027] Figure 3 This is a front view of a magnetic stirring mechanism according to Example 1.

[0028] Figure 4 This is a schematic diagram of the experimental apparatus for simulating the exploitation of a water-bearing gas reservoir, as shown in Example 2.

[0029] Figure 5 This is a schematic diagram of the internal structure of an experimental device for simulating the exploitation of a water-bearing gas reservoir, as shown in Example 2.

[0030] Marked in the image:

[0031] 1-First heat insulation sleeve, 11-First mating surface, 12-First cylindrical part, 13-Second cylindrical part, 2-First magnetic component, 21-First magnet, 22-Second magnet, 3-Support rod, 4-Drive mechanism, 5-Second heat insulation sleeve, 51-Second mating surface, 52-Third cylindrical part, 53-Conical end, 6-Second magnetic component, 61-Third magnet, 62-Fourth magnet, 7-Stirring rack, 8-Bottle body, 81-Jacket, 82-Water inlet, 83-Water outlet, 9-Bottle lid, 91-Air inlet, 92-Air outlet, 93-Temperature sensor, 94-Pressure sensor, 95-Electric heater. Detailed Implementation

[0032] The present invention will be further described in detail below with reference to specific embodiments. However, it should not be construed as limiting the scope of the present invention to the following embodiments; all technologies implemented based on the content of the present invention fall within the scope of the present invention.

[0033] Unless otherwise specified, the use of terms such as "upper," "lower," "left," "right," "center," "inner," and "outer" to indicate orientation or positional relationships in the description of specific embodiments of this utility model is based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product / equipment / device is typically placed during use. These terms are merely for the purpose of facilitating the description of the utility model solution or simplifying the description in specific embodiments, enabling those skilled in the art to quickly understand the solution, and do not indicate or imply that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific positional relationship. Therefore, they should not be construed as limitations on this utility model.

[0034] Furthermore, the use of terms such as "horizontal," "vertical," "suspended," and "parallel" does not imply that the corresponding device / component / element must be absolutely horizontal, vertical, suspended, or parallel, but rather that it can be slightly tilted or have a deviation. For example, "horizontal" merely means that its direction is more horizontal relative to "vertical," not that the structure must be completely horizontal, but can be slightly tilted. Alternatively, it can be simplified to mean that the corresponding device / component / element, when set in a "horizontal," "vertical," "suspended," or "parallel" direction, can have an error / deviation of ±10% relative to the corresponding direction, more preferably within ±8%, more preferably within ±6%, more preferably within ±5%, and more preferably within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its function in the present invention.

[0035] Furthermore, the use of terms such as "first," "second," and "third" in terminology is merely for distinguishing descriptions of identical or similar components and should not be interpreted as emphasizing or implying the relative importance of a particular component.

[0036] Furthermore, in the description of the embodiments of this utility model, "several", "multiple", and "several" represent at least two. The number can be any number, such as two, three, four, five, six, seven, eight, or nine, and can even exceed nine.

[0037] Furthermore, in the description of the technical solution of this utility model, unless otherwise explicitly specified / limited / restricted, the terms "set up," "install," "connect," "link," "equipped with," "laid out," and "arranged" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to common connection methods in the art, such as welding, riveting, bolting, and threaded connections. Such connections can be mechanical, electrical, or communication connections; they can be direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components.

[0038] Example 1

[0039] like Figures 1-3 As shown, a magnetic stirring mechanism includes a first heat-insulating sleeve 1 and a second heat-insulating sleeve 5. A first magnetic component 2 is embedded in the first heat-insulating sleeve 1. The first heat-insulating sleeve 1 is connected to a support rod 3, and the support rod 3 is connected to a drive mechanism 4. A second magnetic component 6 is embedded in the second heat-insulating sleeve 5, and the second heat-insulating sleeve 5 is connected to a stirring frame 7. The first heat-insulating sleeve 1 and the second heat-insulating sleeve 5 are spaced apart, and the first magnetic component 2 and the second magnetic component 6 are arranged opposite to each other.

[0040] The first heat-insulating sleeve 1 and the second heat-insulating sleeve 5 are the structural foundation for installing the first magnetic component 2 and the second magnetic component 6. Through their own heat insulation and heat resistance, they can provide heat insulation for the first magnetic component 2 and the second magnetic component 6, thereby reducing the heat transferred from the outside to the first magnetic component 2 and the second magnetic component 6, and thus preventing the first magnetic component 2 and the second magnetic component 6 from demagnetizing due to heat.

[0041] In an optional embodiment, the first heat insulation sleeve 1 and the second heat insulation sleeve 5 may each include quartz ceramic material structural components. The first heat insulation sleeve 1 and the second heat insulation sleeve 5 made of quartz ceramic material have good heat insulation and heat resistance.

[0042] In one or more embodiments, the first heat insulation sleeve 1 may include a first cylindrical portion 12 and a second cylindrical portion 13, wherein the first cylindrical portion 12 and the second cylindrical portion 13 are coaxially arranged.

[0043] In an optional embodiment, the first cylindrical part 12 and the second cylindrical part 13 are coaxially arranged cylindrical structures. The outer diameter of the second cylindrical part 13 can be set to be larger than the outer diameter of the first cylindrical part 12. The first magnetic component 2 is embedded in the second cylindrical part 13, and the support rod 3 is coaxially arranged in the first cylindrical part 12, so that the first heat insulation sleeve 1 rotates smoothly and the support rod 3 is in stable contact with the first heat insulation sleeve 1.

[0044] In an optional embodiment, the length of the first columnar portion 12 can be increased to make the contact area between the support rod 3 and the first columnar portion 12 wider, resulting in a more stable connection.

[0045] In an optional embodiment, the outer diameter of the second cylindrical portion 13 can be adjusted, thereby adjusting the number of the first magnetic components 2 disposed on the second cylindrical portion 13, so that the first magnetic components 2 are stably disposed, and the magnetic force provided by the first magnetic components 2 on the first heat insulation sleeve 1 can be changed, so as to realize stable non-contact rotation drive of the first heat insulation sleeve 1 and the second heat insulation sleeve 5.

[0046] In one or more embodiments, the second heat insulation sleeve 5 includes a third cylindrical portion 52 and a conical end portion 53. The third cylindrical portion 52 is disposed opposite to the second cylindrical portion 13. The second magnetic component 6 is embedded in the third cylindrical portion 52, and the stirring rack 7 is coaxially disposed in the conical end portion 53.

[0047] In an optional embodiment, the third cylindrical part 52 is a cylindrical structure and is coaxially opposite to the second cylindrical part 13, so that the second heat insulation sleeve 5 can rotate smoothly.

[0048] In an optional embodiment, the outer diameter of the third cylindrical portion 52 and the second cylindrical portion 13 can be adjusted to be the same, so that the number of the first magnetic component 2 provided in the second cylindrical portion 13 and the second magnetic component 6 provided in the third cylindrical portion 52 are the same and arranged opposite to each other, so as to achieve stable installation of the second magnetic component 6, provide different magnetic forces, and enable the stirring rack 7 to have a wider contact area with the second heat insulation sleeve 5, making the connection more stable. In addition, the setting of the conical portion prevents the stirring rack 7 from generating excessive tension on the second heat insulation sleeve 5 during rotation, so as to make the rotation smooth.

[0049] In an optional embodiment, the first heat insulation sleeve 1 is provided with a first mating surface 11, the second heat insulation sleeve 5 is provided with a second mating surface 51, the first mating surface 11 and the second mating surface 51 are spaced apart and arranged opposite to each other, the first magnetic component 2 is embedded in the first mating surface 11, and the second magnetic component 6 is embedded in the second mating surface 51.

[0050] In an optional embodiment, the first mating surface 11 may be the end face of the second cylindrical portion 13 near the third cylindrical portion 52, and the second mating surface 51 may be the end face of the third cylindrical portion 52 near the second cylindrical portion 13. Preferably, the first mating surface 11 and the second mating surface 51 have the same area, and the number of the first magnetic component 2 and the second magnetic component 6 are the same.

[0051] The first magnetic component 2 and the second magnetic component 6 are structural components in the magnetic stirring mechanism used to provide magnetic force. Through the magnetic coupling of the first magnetic component 2 and the second magnetic component 6, the power of the drive mechanism 4 associated with the first magnetic component 2 is transmitted to the second magnetic component 6 without contact, causing the second magnetic component 6 to rotate, and in turn causing the stirring blade associated with the second magnetic component 6 to rotate to achieve stirring.

[0052] In an optional implementation, the drive mechanism 4 may be a motor.

[0053] In one or more embodiments, the first magnetic component 2 and the second magnetic component 6 respectively include samarium cobalt magnets or high-temperature resistant neodymium iron boron magnets, both of which can meet the requirements of long-term stable operation at a high temperature of 200°C. Combined with the heat insulation properties of the first heat insulation sleeve 1 and the second heat insulation sleeve 5, they can achieve long-term stable use and avoid abnormal situations from affecting the normal use of the stirring mechanism.

[0054] In an optional embodiment, the first magnetic component 2 includes a first magnet 21 and a second magnet 22, which are spaced and alternately distributed around the support rod 3. The second magnetic component 6 includes a third magnet 61 and a fourth magnet 62, which are spaced and alternately distributed around the stirring rack 7. The first magnet 21 and the third magnet 61 are magnetically attracted to each other, while the second magnet 22 and the fourth magnet 62 are magnetically repelled. This mutual attraction or repulsion between the first magnet 21, the second magnet 22, the third magnet 61, and the fourth magnet 62 enables contactless rotation under the action of the driving mechanism 4.

[0055] In an optional embodiment, the first magnet 21, the second magnet 22, the third magnet 61, and the fourth magnet 62 can all be cylindrical structural components of the same size, and the first magnet 21, the second magnet 22, the third magnet 61, and the fourth magnet 62 of the cylindrical structural components can be embedded and set into the corresponding positions in a good and stable manner.

[0056] In an optional embodiment, at least two first magnets 21, at least two second magnets 22, at least two third magnets 61, and at least two fourth magnets 62 are stacked together. This allows for further adjustment of the magnetism of the first magnetic component 2 and the second magnetic component 6, thereby achieving magnetic force adjustment.

[0057] In an optional embodiment, multiple grooves can be provided around the support rod 3 on the first heat insulation sleeve 1, and two first magnets 21 or two second magnets 22 can be stacked in each groove. The number of magnets can be set and adjusted according to the actual situation. Similarly, the number of magnets on the second heat insulation sleeve 5 can also be set and adjusted according to the actual situation.

[0058] In an optional embodiment, both the support rod 3 and the stirring rack 7 are made of stainless steel.

[0059] In an optional embodiment, the support rod 3 and the stirring rack 7 can be structural components made of 310 stainless steel, 321 stainless steel or 347 stainless steel.

[0060] In an optional embodiment, the stirring frame 7 can be a combination of a vertically arranged rod-shaped structural member and a horizontally arranged rod-shaped structural member at the end. The structure of the stirring frame 7 can be adjusted according to the actual situation, or a blade structure can be adopted.

[0061] In this embodiment, a magnetic stirring mechanism is used. A motor is employed as the drive mechanism 4. The motor's output drives a support rod 3 to rotate, which in turn rotates the first heat-insulating sleeve 1. The first magnetic component 2 on the first heat-insulating sleeve 1 interacts with the second magnetic component 6 on the second heat-insulating sleeve 5, causing the second heat-insulating sleeve 5 to rotate, which in turn drives the stirring frame 7 to rotate. Specifically, the first magnet 21 on the first heat-insulating sleeve 1 attracts the third magnet 61 on the second heat-insulating sleeve 5 and repels the fourth magnet 62 on the second heat-insulating sleeve 5. Simultaneously, the second magnet 22 on the first heat-insulating sleeve 1 repels the third magnet 61 on the second heat-insulating sleeve 5 and attracts the fourth magnet 62 on the second heat-insulating sleeve 5. Since the first magnet 21, second magnet 22, third magnet 61, and fourth magnet 62 are arranged at intervals, the first heat-insulating sleeve 1 can better drive the second heat-insulating sleeve 5 to rotate, increasing the stability of torque transmission through magnetic force and making the stirring mechanism rotate more stably and efficiently.

[0062] This embodiment of a magnetic stirring mechanism uses a first heat-insulating sleeve 1 and a second heat-insulating sleeve 5 made of quartz ceramic material to limit the installation of a first magnetic component 2 and a second magnetic component 6. Based on the good heat resistance and heat insulation properties of the quartz ceramic material, the heat directly transferred to the first magnetic component 2 and the second magnetic component 6 is reduced, effectively preventing demagnetization. At the same time, the structural strength of the first heat-insulating sleeve 1 is increased by the support rod 3, and the structural strength of the second heat-insulating sleeve 5 is increased by the stirring frame 7, making the magnetic stirring mechanism structurally stable and improving its performance.

[0063] Example 2

[0064] like Figures 4-5 As shown, an experimental device for simulating the exploitation of a water-bearing gas reservoir includes a vessel body 8 and a vessel cover 9. The vessel cover 9 is equipped with a magnetic stirring mechanism as described in Example 1. The vessel cover 9 is connected to the top of the vessel body 8 and is provided with an air inlet 91, an air outlet 92, a temperature sensor 93, a pressure sensor 94, and an electric heater 95.

[0065] The experimental apparatus for simulating the exploitation of a water-bearing gas reservoir in this embodiment employs the aforementioned magnetic stirring mechanism, which is less prone to demagnetization and demagnetization and exhibits stable rotation.

[0066] This embodiment provides an experimental apparatus for simulating the exploitation of a water-bearing gas reservoir. A jacket 81 may be provided inside the vessel body 8, forming a space between the jacket 81 and the vessel body 8. A discharge port is located in the middle of the bottom of the vessel body 8. A water inlet 82 and a water outlet 83 are provided on the vessel body 8 corresponding to the space. During use, distilled water can be added to the vessel body 8 by opening the lid 9 and then closing the lid 9. Natural gas is then introduced into the vessel body 8 through the gas inlet 91, and a motor is started for stirring. Simultaneously, water can be injected into the space through the water inlet 82 and returned through the water outlet 83, achieving a water bath effect and thus controlling the temperature inside the vessel body 8. During the generation process, temperature is controlled through... Temperature is detected by sensor 93. Natural gas is input through inlet 91, and natural gas pressure is monitored by pressure sensor 94. When the pressure reaches the specified requirement, the generation process is complete, water injection is stopped, and water can be drained through outlet 83 before vacuuming. After the generation process is completed, outlet 92 can be opened to release pressure in vessel 8. As the pressure decreases, the product decomposes under reduced pressure to produce natural gas. Alternatively, electric heater 95 can be turned on to decompose the product and produce natural gas. Or, replacement gas can be introduced into vessel 8 through inlet 91 to replace the natural gas from the product, thus completing the simulation development experiment.

[0067] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements 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 magnetic stirring mechanism, characterized in that, include: A first heat insulation sleeve (1) is provided with a first magnetic component (2) embedded on the first heat insulation sleeve (1), and the first heat insulation sleeve (1) is connected to a support rod (3), and the support rod (3) is connected to a drive mechanism (4). The second heat insulation sleeve (5) is provided with a second magnetic component (6) embedded on the second heat insulation sleeve (5), and the second heat insulation sleeve (5) is connected to the stirring rack (7); The first heat insulation sleeve (1) and the second heat insulation sleeve (5) are spaced apart, and the first magnetic component (2) and the second magnetic component (6) are arranged opposite to each other; The first heat insulation sleeve (1) and the second heat insulation sleeve (5) respectively include quartz ceramic material structural components.

2. The magnetic stirring mechanism according to claim 1, characterized in that, The first magnetic component (2) includes a first magnet (21) and a second magnet (22), which are arranged alternately around the support rod (3). The second magnetic component (6) includes a third magnet (61) and a fourth magnet (62), which are arranged alternately around the stirring rack (7). The first magnet (21) and the third magnet (61) are magnetically attracted to each other, while the second magnet (22) and the fourth magnet (62) are magnetically repelled.

3. The magnetic stirring mechanism according to claim 2, characterized in that, At least two of the first magnets (21) are stacked, and at least two of the second magnets (22) are stacked.

4. The magnetic stirring mechanism according to claim 2, characterized in that, At least two of the third magnets (61) are stacked, and at least two of the fourth magnets (62) are stacked.

5. A magnetic stirring mechanism according to claim 2, characterized in that, The first heat insulation sleeve (1) is provided with a first mating surface (11), and the second heat insulation sleeve (5) is provided with a second mating surface (51). The first mating surface (11) and the second mating surface (51) are spaced apart and arranged opposite to each other. The first magnetic component (2) is embedded in the first mating surface (11), and the second magnetic component (6) is embedded in the second mating surface (51).

6. A magnetic stirring mechanism according to claim 5, characterized in that, The first heat insulation sleeve (1) includes a first cylindrical part (12) and a second cylindrical part (13), the first cylindrical part (12) and the second cylindrical part (13) are coaxially arranged, the outer diameter of the second cylindrical part (13) is larger than the outer diameter of the first cylindrical part (12), the first magnetic component (2) is embedded in the second cylindrical part (13), and the support rod (3) is coaxially arranged in the first cylindrical part (12).

7. A magnetic stirring mechanism according to claim 6, characterized in that, The second heat insulation sleeve (5) includes a third cylindrical part (52) and a conical end part (53). The third cylindrical part (52) is disposed opposite to the second cylindrical part (13). The second magnetic component (6) is embedded in the third cylindrical part (52). The stirring rack (7) is coaxially disposed in the conical end part (53).

8. A magnetic stirring mechanism according to claim 1, characterized in that, The first magnetic component (2) and the second magnetic component (6) respectively include samarium cobalt magnets or high-temperature resistant neodymium iron boron magnets.

9. A magnetic stirring mechanism according to claim 1, characterized in that, Both the support rod (3) and the stirring rack (7) are stainless steel structural components.

10. An experimental apparatus for simulating the exploitation of a water-bearing gas reservoir, comprising a vessel body (8) and a vessel lid (9), characterized in that, The lid (9) is provided with a magnetic stirring mechanism as described in any one of claims 1-9. The lid (9) is connected to the top of the body (8). The lid (9) is provided with an air inlet (91), an air outlet (92), a temperature sensor (93), a pressure sensor (94), and an electric heater (95).

Images