Device for testing air tightness of catalytic tubular reactor

Abstract

The utility model discloses an air tightness testing device for a catalytic tube nest reactor, and relates to the related technical field of catalytic tube nest detection. The reactor comprises a supporting table, movable sleeves, T-shaped supporting frames, a hollow rubber plug and a reactor body, the two T-shaped supporting frames are arranged at the top of the supporting table, the two movable sleeves are arranged at the position, between the two T-shaped supporting frames, of the top of the supporting table, reeds are fixed to the tops of the movable sleeves, the two reeds are jointly and movably connected with the reactor body, and the hollow rubber plug is arranged in the reactor body. Hollow rubber plugs are movably connected to the two ends in the reactor body, a first gas conveying pipe is fixed to the center of the interior of each hollow rubber plug along the central axis in a penetrating mode, and a second gas conveying pipe is fixed to the end, above the first gas conveying pipe, of each hollow rubber plug. Through the arrangement of the supporting table, the movable sleeve, the T-shaped supporting frame, the hollow rubber plug and the reactor main body, the problems that the reactor testing device is not good enough in testing applicability to different reactors during air tightness testing and is not convenient to disassemble and assemble during testing operation are solved.

Description

Technical Field

[0001] This utility model belongs to the technical field of catalytic tube reactor testing, and in particular relates to a device for testing the air tightness of catalytic tube reactors. Background Technology

[0002] Catalytic coil reactors are common industrial equipment, typically used in petrochemical and coal chemical processes for chemical reactions, catalytic reactions, and heat exchange. They offer advantages such as small size, low power consumption, minimal leakage, reliable operation, and low operating costs, making them ideal reactors for the petrochemical and coal chemical industries. During production, solid catalysts are loaded into the coils, catalyzing the reactants as they pass through the reactor. After loading, an airtightness test is necessary to determine if the catalyst is properly and in the correct quantity. However, in practical use, the following drawbacks still exist:

[0003] When the reactor is operating in an airtight manner, the corresponding structure is directly installed in the appropriate position. However, during the operation of different reactors, the structure is directly installed using the corresponding structure, which does not provide good applicability for testing different reactors.

[0004] When performing airtight operation on the reactor, additional structures such as sealing discs need to be installed on the reactor. The preparation for the test is time-consuming, and the disassembly operation after the test is completed is also a lengthy process, making the operation inconvenient. Utility Model Content

[0005] The purpose of this invention is to provide a catalytic tube reactor air tightness testing device. By setting up a support platform, movable sleeve, T-shaped support frame, hollow rubber plug and reactor body, it solves the problems that the reactor testing device is not suitable for testing different reactors and is not convenient to disassemble and assemble during testing.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a device for testing the airtightness of a catalytic coil reactor, comprising a support platform, movable sleeves, T-shaped support frames, a hollow rubber stopper, and a reactor body. Two T-shaped support frames are mounted on the top of the support platform, and two movable sleeves are mounted on the top of the support platform between the two T-shaped support frames. A T-shaped slider is movably connected to the bottom of each movable sleeve. A lifting bolt is movably connected to the top of each movable sleeve, and the lifting bolt is threaded to the top of the T-shaped slider. A spring is fixed to the top of each movable sleeve, and the reactor body is movably connected to both springs. Hollow rubber plugs are movably connected to both ends of the reactor body. A gas supply pipe is fixedly installed through the center of the hollow rubber plug along the central axis. A second gas supply pipe is fixedly connected to the end of the hollow rubber plug above the first gas supply pipe, away from the center of the reactor body. During operation, the movable sleeve and T-shaped support frame are supported on the support platform. The spring is fixed on the movable sleeve, and the reactor body is supported on the spring. By rotating the lifting bolt, the height of the movable sleeve on the support platform is changed. The first and second gas supply pipes are fixed in the T-shaped support frame, which supports the hollow rubber plugs.

[0008] Furthermore, a T-shaped groove is formed on the top of the support platform along the center line parallel to the long side. The T-shaped slider and the T-shaped support frame are both movably connected in the T-shaped groove. When the support platform is working, the T-shaped slider and the T-shaped support frame are movably connected in the T-shaped groove.

[0009] Furthermore, the top of the movable sleeve has an opening, the inner diameter of which is larger than the bolt head diameter of the lifting bolt. The spring plate has an outer opening at a position corresponding to the opening. When the movable sleeve is working, the opening provides a position for the internal hexagonal bolt to be inserted into the lifting bolt.

[0010] Furthermore, a fixing hole is provided on the upper part of one side of the T-shaped support frame along the vertical center line, and both the first gas pipe and the second gas pipe are fixed in the fixing hole, so that the hollow rubber plug is supported therein.

[0011] Furthermore, a limiting ring is fixed at the end of the hollow rubber plug away from the reactor body. The limiting ring abuts against the end of the reactor body to determine the position of the hollow rubber plug.

[0012] Furthermore, a pressure gauge, an exhaust pipe, and an electric control valve are sequentially fixed around the gas supply pipe one on the side of the T-shaped support frame away from the reactor body. The exhaust pipe is positioned between the pressure gauge and the electric control valve. Similarly, an exhaust pipe and an exhaust valve are fixed around the second gas supply pipe. The exhaust pipes and exhaust valves on the second and third gas supply pipes are positioned correspondingly. Two exhaust pipes on the outer side of the same hollow rubber plug are respectively connected to the first and second gas supply pipes. An exhaust valve is fixed around the exhaust pipe, so that the pressure in the reactor body can be measured by the pressure gauge during operation.

[0013] This utility model has the following beneficial effects:

[0014] This invention solves the problem of insufficient applicability of reactor testing devices to different reactors when conducting airtightness tests by setting up a support platform, a movable sleeve, a T-shaped support frame, and a reactor body. The device determines the diameter and length of the reactor body to be tested, and then first slides two T-shaped sliders to their corresponding positions. During operation, hexagonal bolts are inserted through the opening into the lifting bolts in the movable sleeve until the spring rises to support the reactor body and aligns with the hollow rubber plug. The reactor body is then placed on top, and the T-shaped support frame is moved until the hollow rubber plugs are positioned at both ends of the reactor body. This improves the applicability of the reactor testing device to different reactors when conducting airtightness tests.

[0015] This invention solves the problem of inconvenient assembly and disassembly during reactor testing by setting up a T-shaped support frame, a hollow rubber plug, and a reactor body. After the hollow rubber plug enters both ends of the reactor body, the electric control valve on the second gas supply pipe is first activated to deliver high-pressure air into the hollow rubber plug, causing it to expand and seal both ends of the reactor body. Then, the electric control valve on the second gas supply pipe is closed, and high-pressure air can then be delivered into the reactor body through the first gas supply pipe. The electric control valve on the first gas supply pipe is then closed, and the pressure gauge reading is observed. After waiting for one minute, the pressure gauge reading is observed again to determine if there is any leakage in the reactor body during operation. After the operation is completed, the readings on all exhaust pipes are opened to expel the air from the reactor body and the hollow rubber plug. Then, the T-shaped support frame is pulled to push the hollow rubber plug away from the reactor body, making the assembly and disassembly of the reactor for testing more convenient. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of 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.

[0017] Figure 1 A three-dimensional view of the assembly structure of a catalytic tube reactor airtightness testing device;

[0018] Figure 2 for Figure 1 Enlarged view of the structure at point A in the image;

[0019] Figure 3 This is a three-dimensional sectional view of the support platform.

[0020] Figure 4 A three-dimensional sectional view of the movable sleeve section;

[0021] Figure 5 A three-dimensional view of the T-shaped support frame structure;

[0022] Figure 6 This is a three-dimensional view of the main structure of the reactor.

[0023] Figure label:

[0024] 1. Support platform; 101. T-slot; 2. Movable sleeve; 201. Spring; 202. T-slider; 203. Lifting bolt; 204. Opening; 205. Outer opening; 3. T-shaped support frame; 301. Fixing hole; 4. Hollow rubber plug; 401. Restricting ring; 402. Gas supply pipe one; 403. Gas supply pipe two; 404. Exhaust pipe; 405. Exhaust valve; 406. Electrically controlled valve; 407. Pressure gauge; 5. Reactor body. Detailed Implementation

[0025] 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 skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0026] Please see Figure 1-6This utility model is a device for testing the airtightness of a catalytic coil reactor, comprising a support platform 1, movable sleeves 2, T-shaped support frames 3, hollow rubber plugs 4, and a reactor body 5. Two T-shaped support frames 3 are installed on the top of the support platform 1. When the support platform 1 is in operation, the movable sleeves 2 and T-shaped support frames 3 are supported on it. The hollow rubber plug 4 is supported on it via gas supply pipe 1 402 and gas supply pipe 2 403. Two movable sleeves 2 are installed on the top of the support platform 1 between the two T-shaped support frames 3. When the movable sleeves 2 are in operation, the reactor body 5 is supported on them. T-shaped sliders 202 are movably connected to the bottom of each of the two movable sleeves 2. The movable sleeves 2 slide on the support platform 1 through the T-shaped sliders 202. A lifting bolt 203 is movably connected to the top of the movable sleeve 2. The lifting bolt 203 is threaded to the top of the T-shaped slider 202. By rotating the lifting bolt 203, the reactor body 5 is moved... The movable sleeve 2 moves up and down on the T-shaped slider 202. A spring plate 201 is fixed on the top of the movable sleeve 2. When the movable sleeve 2 is working, the reactor body 5 is supported on it by the spring plate 201. The reactor body 5 is movably connected inside the two spring plates 201. Hollow rubber plugs 4 are movably connected to both ends of the reactor body 5. The hollow rubber plugs 4 block both ends of the reactor body 5. A gas supply pipe 402 is fixedly connected through the center of the hollow rubber plug 4 along the central axis. High-pressure air is delivered to the reactor body 5 through the gas supply pipe 402. The end of the hollow rubber plug 4 above the gas supply pipe 402 that is away from the center of the reactor body 5 is fixedly connected to a second gas supply pipe 403. Air is delivered to the hollow rubber plug 4 through the second gas supply pipe 403, blocking both ends of the reactor body 5. The ends of the gas supply pipes 402 and 403 that are away from the hollow rubber plug 4 are connected to the equipment pipeline for delivering high-pressure air.

[0027] Specifically, a T-shaped groove 101 is provided on the top of the support platform 1 along the center line parallel to the long side. The T-shaped slider 202 and the T-shaped support frame 3 are movably connected in the T-shaped groove 101. When the support platform 1 is working, the T-shaped slider 202 and the T-shaped support frame 3 are movably connected through the T-shaped groove 101.

[0028] Furthermore, the top of the movable sleeve 2 has an opening 204, the inner diameter of which is larger than the bolt head diameter of the lifting bolt 203. The spring 201 has an outer opening 205 at a position corresponding to the opening 204. When the movable sleeve 2 is working, the opening 204 and the outer opening 205 allow the adjustment of the internal hex wrench to be inserted into the lifting bolt 203.

[0029] The operation process of this embodiment is as follows: During operation, first determine the diameter and length of the reactor body 5 to be tested, then slide the two T-shaped sliders 202 to the corresponding positions. During operation, insert the hexagonal socket head cap screws into the lifting bolts 203 in the movable sleeve 2 through the opening 204 until the spring plate 201 rises to support the reactor body 5 and aligns with the hollow rubber plug 4. Then place the reactor body 5 on top and push the T-shaped support frame 3 to move until the hollow rubber plug 4 is set at both ends of the reactor body 5, and start working. Specific Implementation Example 2

[0030] Please see Figure 1 , 2 5, 6. Based on the specific embodiment one, a fixing hole 301 is provided on the upper part of one side of the T-shaped support frame 3 along the vertical center line. The first gas pipe 402 and the second gas pipe 403 are both fixed in the fixing hole 301. When the T-shaped support frame 3 is working, the first gas pipe 402 and the second gas pipe 403 are fixed through the fixing hole 301.

[0031] Specifically, a limiting ring 401 is fixed at the end of the hollow rubber plug 4 away from the reactor body 5. The limiting ring 401 abuts against the end of the reactor body 5. When the hollow rubber plug 4 is working, the limiting ring 401 restricts the position between the hollow rubber plug 4 and the reactor body 5.

[0032] Furthermore, on the side of the T-shaped support frame 3 away from the reactor body 5, the first gas supply pipe 402 is sequentially fixed with a pressure gauge 407, an exhaust pipe 404, and an electric control valve 406. The exhaust pipe 404 is positioned between the pressure gauge 407 and the electric control valve 406. Similarly, the second gas supply pipe 403 is fixed with an exhaust pipe 404 and an exhaust valve 405. The exhaust pipes 404 and exhaust valves 405 on the sides of the first and second gas supply pipes 402 and 403 are positioned correspondingly. The two exhaust pipes on the outer side of the same hollow rubber plug 4 are... The gas pipe 404 is connected to the first gas pipe 402 and the second gas pipe 403 respectively. An exhaust valve 405 is fixed on the periphery of the exhaust pipe 404. During operation, the pressure in the first gas pipe 402 and the reactor body 5 is detected by the pressure gauge 407. The first gas pipe 402 and the second gas pipe 403 discharge air through the exhaust pipe 404. The on and off of the air supply in the first gas pipe 402 and the second gas pipe 403 is controlled by the electric control valve 406. The exhaust pipe 404 controls the exhaust through the exhaust valve 405.

[0033] The operation process of this embodiment is as follows: During operation, after the hollow rubber plug 4 enters both ends of the reactor body 5, the electric control valve 406 on the second gas supply pipe 403 is first activated to deliver high-pressure air to the hollow rubber plug 4, causing the hollow rubber plug 4 to expand and seal both ends of the reactor body 5. Then, the electric control valve 406 on the second gas supply pipe 403 is closed, and high-pressure air can then be delivered to the reactor body 5 through the first gas supply pipe 402. Then, the electric control valve 406 on the first gas supply pipe 402 is closed, and the reading on the pressure gauge 407 is observed. After waiting for one minute, the reading on the pressure gauge 407 is observed again to determine whether the reactor body 5 is leaking during operation. After the operation is completed, the readings on all exhaust pipes 404 are opened to allow the air in the reactor body 5 and the hollow rubber plug 4 to be discharged. Then, the T-shaped support frame 3 is pulled to push the hollow rubber plug 4 away from the reactor body 5, completing the operation.

[0034] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0035] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A device for testing the air tightness of a catalytic tube reactor, comprising a support platform (1), a movable sleeve (2), a T-shaped support frame (3), a hollow rubber plug (4), and a reactor body (5), characterized in that: The top of the support platform (1) is provided with two T-shaped support frames (3). The top of the support platform (1) between the two T-shaped support frames (3) is provided with two movable sleeves (2). The bottom of the two movable sleeves (2) is connected to a T-shaped slider (202). The top of the movable sleeve (2) is connected to a lifting bolt (203). The lifting bolt (203) is threaded to the top of the T-shaped slider (202). The top of the movable sleeve (2) is fixed with a spring (201). The two springs (201) are connected to the reactor body (5). Both ends of the reactor body (5) are connected to hollow rubber plugs (4). The center of the hollow rubber plug (4) is fixed along the central axis. The end of the hollow rubber plug (4) above the first gas pipe (402) away from the center of the reactor body (5) is fixedly connected to a second gas pipe (403).

2. The airtightness testing device for a catalytic tube reactor according to claim 1, characterized in that: The top of the support platform (1) has a T-shaped groove (101) along the center line parallel to the long side, and the T-shaped slider (202) and the T-shaped support frame (3) are movably connected in the T-shaped groove (101).

3. The airtightness testing device for a catalytic tube reactor according to claim 1, characterized in that: The top of the movable sleeve (2) has an opening (204), the inner diameter of which is larger than the bolt head diameter of the lifting bolt (203), and the spring (201) has an outer opening (205) at the position corresponding to the opening (204).

4. The airtightness testing device for a catalytic tube reactor according to claim 1, characterized in that: The upper part of one side of the T-shaped support frame (3) is provided with a fixing hole (301) through the center line in the vertical direction, and the first gas pipe (402) and the second gas pipe (403) are both fixed in the fixing hole (301).

5. The airtightness testing device for a catalytic tube reactor according to claim 1, characterized in that: The hollow rubber plug (4) has a limiting ring (401) fixed at one end away from the reactor body (5), and the limiting ring (401) abuts against the end of the reactor body (5).

6. The airtightness testing device for a catalytic tube reactor according to claim 1, characterized in that: A pressure gauge (407), an exhaust pipe (404), and an electric control valve (406) are fixed sequentially on the periphery of the gas supply pipe one (402) on the side away from the reactor body (5) of the T-shaped support frame (3). The exhaust pipe (404) is located between the pressure gauge (407) and the electric control valve (406). Similarly, an exhaust pipe (404) and an exhaust valve (405) are fixed on the periphery of the gas supply pipe two (403). The exhaust pipes (404) and exhaust valves (405) on the periphery of the gas supply pipe one (402) and the gas supply pipe two (403) are positioned correspondingly. The two exhaust pipes (404) on the outside of the same hollow rubber plug (4) are connected to the gas supply pipe one (402) and the gas supply pipe two (403) respectively. An exhaust valve (405) is fixed on the periphery of the exhaust pipe (404).

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