Air tightness detection device for tank body of chemical reaction kettle

Abstract

The invention discloses an air tightness detection device for a tank body of a chemical reaction kettle, and relates to the technical field of air tightness detection. According to the air tightness detection device for the tank body of the chemical reaction kettle, through the arrangement of the transmission plate frame and the conveying disc frame, after the tank to be detected moves to the position below the corresponding conveying disc frame, the tank to be detected can move downwards along with the transmission plate frame and the conveying disc frame, sealing and negative pressure pumping operation of the tank to be detected is achieved, and then the tank to be detected is conveyed to the corresponding conveying belt for pressure relief and output operation; compared with a traditional mode, the detection operation of the to-be-detected tank is more convenient and faster, the detection accuracy of the to-be-detected tank is guaranteed, meanwhile, the operation continuity can be guaranteed, and the using effect of the equipment is improved.

Description

Technical Field

[0001] The invention relates to the technical field of air tightness detection, in particular to an air tightness detection device for a chemical reactor tank. Background Art

[0002] Chemical reactor is a commonly used equipment in chemical production, which is used for various chemical reactions, mixing, heating, cooling and other operations. It can be designed into various structural forms according to different process requirements, such as vertical or horizontal, with or without stirring, etc. The reactor is usually composed of a cylinder, a head, an agitator, a transmission device, a shaft sealing device, a heat exchange device, etc.; refer to the Chinese patent, the announcement number is "CN119043602A" "A chemical reactor tank air tightness detection device", the patent points out that the existing detection method requires manual movement of the cylinder reactor tank to the detection position, and then manual positioning, which is troublesome to operate, time-consuming and labor-intensive, and cannot meet the batch rapid detection of the cylinder reactor tank; but the equipment still has the problem of poor detection efficiency and convenience. In this regard, we propose a chemical reactor tank air tightness detection device to solve the above problems. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a chemical reactor tank air tightness detection device, which solves the problems raised in the above background technology.

[0004] To achieve the above purpose, the present invention is implemented by the following technical scheme: a chemical reactor tank air tightness detection device, comprising a body, both sides of the body are rotatably connected with conveyor belts, and the conveyor belts are used to transport the tank to be tested; A transmission plate frame is rotatably installed inside the machine body, and a conveying disc frame is fixedly installed at both ends of the transmission plate frame. A driving cylinder is fixedly installed inside the machine body, and the driving cylinder is used to drive the transmission plate frame and the conveying disc frame to move up and down inside the machine body, so that the conveying disc frame can contact the corresponding can to be tested; An outer rod is fixedly installed inside the machine body, and a transmission rod is sleeved inside the outer rod, a transmission plate frame is fixedly installed on the end of the transmission rod, and a transmission end head connected with the transmission rod is fixedly installed on the middle of the top surface of the transmission plate frame, an air guide pipe is fixedly installed inside the conveying disc frame, and a connecting pipe is connected between the air guide pipe and the transmission end head, which is used to draw negative pressure on the tank to be tested when the conveying disc frame can contact the corresponding tank to be tested, and a negative pressure detector is fixedly installed on the end of the air guide pipe, and the negative pressure detector is located inside the tank to be tested, and is used to detect the negative pressure value.

[0005] Preferably, a negative pressure pump is fixedly installed inside the machine body, and the negative pressure pump is communicated with the outer sleeve rod.

[0006] Preferably, a driving assembly is provided inside the machine body for driving the transmission rod to rotate inside the outer rod, and the driving assembly includes an assembly frame, which is fixedly installed inside the machine body, and the end of the assembly frame is slidably connected to an inner slide, and a driving motor is fixedly installed at the end of the inner slide, and a driving gear is fixedly sleeved on the output end of the driving motor and the outer side of the transmission rod, and the two driving gears are meshed with each other.

[0007] Preferably, a connecting assembly is provided between the inner slide and the transmission plate frame, which is used to drive the drive motor to move up and down with the transmission plate frame. The connecting assembly includes a limit plate, which is rotatably installed under the transmission plate frame, and a plurality of connecting rods are fixedly installed between the limit plate and the inner slide.

[0008] Preferably, control valves are installed at the ends of the connecting pipes, and pressure relief valves are fixedly installed inside the conveying trays.

[0009] Preferably, a sealing bottom plate is fixedly mounted on the bottom of the conveying tray frame.

[0010] Preferably, limiting frames are fixedly installed on both sides of the interior of the machine body, and the conveyor belt is installed between the corresponding limiting frames and the inner wall of the machine body.

[0011] Preferably, a window is fixedly installed inside the body, and a control panel is fixedly installed outside the body.

[0012] Preferably, arc-shaped limit frames are provided on both sides of the interior of the machine body, one end of the arc-shaped limit frame is rotatably connected to a rotating shaft, and the other end is installed with a telescopic push rod for limiting the tank to be tested.

[0013] Preferably, an outer ring frame and an inner ring frame are fixedly installed inside the body, and ultrasonic detection modules are fixedly installed inside the outer ring frame and the inner ring frame.

[0014] The present invention provides a chemical reactor tank air tightness detection device. Compared with the prior art, it has the following beneficial effects: (1) The chemical reactor tank air tightness detection device, through the arrangement of a transmission plate frame and a conveying disc frame, can move downward with the transmission plate frame and the conveying disc frame when the tank to be tested moves to the bottom of the corresponding conveying disc frame, so as to realize the sealing and negative pressure extraction operation of the tank to be tested, and then transport the tank to be tested to the corresponding conveyor belt for pressure relief and output operation, so as to realize the detection operation of the tank to be tested. Compared with the traditional method, it is more convenient, ensures the detection accuracy of the tank to be tested, and can also ensure the continuity of the operation, thereby improving the use effect of the equipment.

[0015] (2) The chemical reactor tank air tightness detection device can be used to limit the tank to be tested by setting an arc-shaped limit frame, so that the tank to be tested can be located in the middle of the conveyor belt for transportation, ensuring the subsequent tank body detection and transportation effect, and can be suitable for limiting the tank to be tested of different sizes; at the same time, through the cooperation of the ultrasonic detection module, when the tank to be tested moves between the outer ring frame and the inner ring frame, the surface and internal structural defects of the tank to be tested can be further detected, effectively improving the detection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the cross-sectional structure of the machine body of the present invention; Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle; Figure 4 For the present invention Figure 2 Side view; Figure 5 It is a schematic diagram of the structure of the transmission plate frame and the conveying disc frame of the present invention; Figure 6 It is a schematic cross-sectional view of the transmission plate frame and the conveying disc frame of the present invention; Figure 7 For the present invention Figure 6 The enlarged structural diagram at B in the middle; Figure 8 For the present invention Figure 6 The enlarged structural diagram at C in the middle; Fig. 9 For the present invention Figure 6 Side view.

[0017] In the figure: 1, machine body; 102, window; 2, control panel; 3, drive cylinder; 4, limit frame; 5, conveyor belt; 6, tank to be tested; 7, arc limit frame; 701, rotating shaft; 8, telescopic push rod; 9, outer ring frame; 10, inner ring frame; 11, ultrasonic detection module; 12, transmission plate frame; 1201, conveying disc frame; 1202, sealing bottom plate; 1203, air guide duct; 1204, negative pressure detector; 13, negative pressure pump; 14, transmission end; 1401, transmission rod; 1402, outer outer rod; 15, connecting pipe; 1501, control valve; 16, assembly frame; 1601, inner slide; 1602, connecting rod; 1603, limit plate; 17, driving motor; 18, driving gear. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 9 The present invention provides two technical solutions, which specifically include the following embodiments: Embodiment 1: In the embodiment of the present invention, a chemical reactor tank air tightness detection device comprises a body 1, both sides of the body 1 are rotatably connected with a conveyor belt 5, and the conveyor belt 5 is used to transport a tank 6 to be tested; In the embodiment of the present invention, specifically, the conveyor belt 5 is an existing conveyor belt, which is driven by a separate motor, and the two conveyor belts 5 have opposite conveying directions, and are respectively used for inputting and outputting the can 6 to be tested; In the embodiment of the present invention, specifically, a transmission plate frame 12 is rotatably installed inside the machine body 1, and a conveying disc frame 1201 is fixedly installed at both ends of the transmission plate frame 12. A driving cylinder body 3 is fixedly installed inside the machine body 1, and the driving cylinder body 3 is used to drive the transmission plate frame 12 and the conveying disc frame 1201 to move up and down inside the machine body 1, so that the conveying disc frame 1201 can contact the corresponding can 6 to be tested; In the embodiment of the present invention, specifically, when the can 6 to be tested moves into the interior of the machine body 1 along with the conveyor belt 5, the driving cylinder 3 can drive the transmission plate frame 12 to move downward until the conveyor disc frames 1201 on both sides contact the ends of the can 6 to be tested respectively, thereby sealing the ends of the can 6 to be tested; In the embodiment of the present invention, an outer rod 1402 is fixedly installed inside the body 1, and a transmission rod 1401 is sleeved inside the outer rod 1402, a transmission plate frame 12 is fixedly installed at the end of the transmission rod 1401, and a transmission end head 14 that is interconnected with the transmission rod 1401 is fixedly installed in the middle of the top surface of the transmission plate frame 12, and an air guide duct 1203 is fixedly installed inside the conveying disc frame 1201, and a connecting pipe 15 is connected between the air guide duct 1203 and the transmission end head 14, which is used when the conveying disc frame 1201 is fixedly installed. When the rack 1201 is in contact with the corresponding tank 6 to be tested, negative pressure is pumped into the tank 6 to be tested. A negative pressure detector 1204 is fixedly installed at the end of the air guide pipe 1203. The negative pressure detector 1204 is located inside the tank 6 to be tested and is used to detect the negative pressure value. A negative pressure pump 13 is fixedly installed inside the body 1, and the negative pressure pump 13 is connected to the outer sleeve 1402. A control valve 1501 is installed at the end of the connecting pipe 15, and a pressure relief valve is fixedly installed inside the conveying rack 1201. In the embodiment of the present invention, specifically, after the conveying disc frame 1201 moves down with the transmission plate frame 12 to seal the end of the tank 6 to be tested, as the negative pressure pump 13 is running, the outer sleeve rod 1402 and the transmission rod 1401 and the transmission end head 14 cooperate with the air guide pipe 1203 to pump negative pressure inside the tank 6 to be tested, until the negative pressure value reaches a preset value, the control valve 1501 is closed, and the negative pressure value inside the tank 6 to be tested is monitored by the negative pressure detector 1204; In the embodiment of the present invention, specifically, when the conveying disc rack 1201 seals the end of the tank 6 to be tested and completes the negative pressure extraction, the cylinder body 3 is driven to operate, which can drive the transmission plate rack 12 and the conveying disc rack 1201 to move upward, so that the tank 6 to be tested can move upward with the conveying disc rack 1201 and separate from the conveyor belt 5, and then the transmission rod 1401 is rotated to drive the transmission plate rack 12 and the conveying disc rack 1201 to rotate, and the tank 6 to be tested is transported to another conveyor belt 5. At this time, the pressure relief valve releases pressure to separate the conveying disc rack 1201 from the tank 6 to be tested, and the sealing performance of the tank 6 to be tested is judged by the value recorded by the negative pressure detector 1204; In the embodiment of the present invention, the transmission end head 14 is connected to the transmission rod 1401 and the outer outer rod 1402. A sealing packing ring is provided between the transmission rod 1401 and the outer outer rod 1402 to improve the sealing between the transmission rod 1401 and the outer outer rod 1402. The piston end of the driving cylinder 3 is rotatably connected to the transmission end head 14. When the transmission rod 1401 moves upward, it can slide relative to the outer outer rod 1402. In the embodiment of the present invention, a driving assembly is provided inside the machine body 1, which is used to drive the transmission rod 1401 to rotate inside the outer rod 1402. The driving assembly includes an assembly frame 16, which is fixedly installed inside the machine body 1, and the end of the assembly frame 16 is slidably connected to the inner slide 1601, and the end of the inner slide 1601 is fixedly installed with a driving motor 17, and the output end of the driving motor 17 and the outer side of the transmission rod 1401 are fixedly sleeved with a driving gear 18, and the two driving gears 18 are meshed with each other; In the embodiment of the present invention, a connection assembly is provided between the inner slide 1601 and the transmission plate frame 12, which is used to drive the drive motor 17 to move up and down along with the transmission plate frame 12. The connection assembly includes a limit plate 1603, which is rotatably installed below the transmission plate frame 12, and a plurality of connection rods 1602 are fixedly installed between the limit plate 1603 and the inner slide 1601; In the embodiment of the present invention, the driving motor 17 is used to drive the transmission rod 1401 to rotate inside the outer rod 1402 through the cooperation of the driving gear 18. At this time, the transmission plate frame 12 and the conveying disc frame 1201 can rotate with the transmission end head 14 and the transmission rod 1401 to realize the conveying operation of the can 6 to be tested; In the embodiment of the present invention, a window 102 is fixedly installed inside the body 1, and a control panel 2 is fixedly installed outside the body 1. The control panel 2 is based on an existing PLC control module.

[0020] Embodiment 2: Based on Embodiment 1, a chemical reactor tank air tightness detection device comprises a body 1, both sides of the body 1 are rotatably connected with conveyor belts 5, and the conveyor belts 5 are used to transport the tank 6 to be tested; In the embodiment of the present invention, specifically, the conveyor belt 5 is an existing conveyor belt, which is driven by a separate motor, and the two conveyor belts 5 have opposite conveying directions, and are respectively used for inputting and outputting the can 6 to be tested; In the embodiment of the present invention, specifically, a transmission plate frame 12 is rotatably installed inside the machine body 1, and a conveying disc frame 1201 is fixedly installed at both ends of the transmission plate frame 12. A driving cylinder body 3 is fixedly installed inside the machine body 1, and the driving cylinder body 3 is used to drive the transmission plate frame 12 and the conveying disc frame 1201 to move up and down inside the machine body 1, so that the conveying disc frame 1201 can contact the corresponding can 6 to be tested; In the embodiment of the present invention, specifically, when the can 6 to be tested moves into the interior of the machine body 1 along with the conveyor belt 5, the driving cylinder 3 can drive the transmission plate frame 12 to move downward until the conveyor disc frames 1201 on both sides contact the ends of the can 6 to be tested respectively, thereby sealing the ends of the can 6 to be tested; In the embodiment of the present invention, an outer rod 1402 is fixedly installed inside the body 1, and a transmission rod 1401 is sleeved inside the outer rod 1402, a transmission plate frame 12 is fixedly installed at the end of the transmission rod 1401, and a transmission end head 14 that is interconnected with the transmission rod 1401 is fixedly installed in the middle of the top surface of the transmission plate frame 12, and an air guide duct 1203 is fixedly installed inside the conveying disc frame 1201, and a connecting pipe 15 is connected between the air guide duct 1203 and the transmission end head 14, which is used when the conveying disc frame 1201 is fixedly installed. When the rack 1201 is in contact with the corresponding tank 6 to be tested, negative pressure is pumped into the tank 6 to be tested. A negative pressure detector 1204 is fixedly installed at the end of the air guide pipe 1203. The negative pressure detector 1204 is located inside the tank 6 to be tested and is used to detect the negative pressure value. A negative pressure pump 13 is fixedly installed inside the body 1, and the negative pressure pump 13 is connected to the outer sleeve 1402. A control valve 1501 is installed at the end of the connecting pipe 15, and a pressure relief valve is fixedly installed inside the conveying rack 1201. In the embodiment of the present invention, specifically, after the conveying disc frame 1201 moves down with the transmission plate frame 12 to seal the end of the tank 6 to be tested, as the negative pressure pump 13 is running, the outer sleeve rod 1402 and the transmission rod 1401 and the transmission end head 14 cooperate with the air guide pipe 1203 to pump negative pressure inside the tank 6 to be tested, until the negative pressure value reaches a preset value, the control valve 1501 is closed, and the negative pressure value inside the tank 6 to be tested is monitored by the negative pressure detector 1204; In the embodiment of the present invention, specifically, when the conveying disc rack 1201 seals the end of the tank 6 to be tested and completes the negative pressure extraction, the cylinder body 3 is driven to operate, which can drive the transmission plate rack 12 and the conveying disc rack 1201 to move upward, so that the tank 6 to be tested can move upward with the conveying disc rack 1201 and separate from the conveyor belt 5, and then the transmission rod 1401 is rotated to drive the transmission plate rack 12 and the conveying disc rack 1201 to rotate, and the tank 6 to be tested is transported to another conveyor belt 5. At this time, the pressure relief valve releases pressure to separate the conveying disc rack 1201 from the tank 6 to be tested, and the sealing performance of the tank 6 to be tested is judged by the value recorded by the negative pressure detector 1204; In the embodiment of the present invention, the transmission end head 14 is connected to the transmission rod 1401 and the outer outer rod 1402. A sealing packing ring is provided between the transmission rod 1401 and the outer outer rod 1402 to improve the sealing between the transmission rod 1401 and the outer outer rod 1402. The piston end of the driving cylinder 3 is rotatably connected to the transmission end head 14. When the transmission rod 1401 moves upward, it can slide relative to the outer outer rod 1402. In the embodiment of the present invention, a driving assembly is provided inside the machine body 1, which is used to drive the transmission rod 1401 to rotate inside the outer rod 1402. The driving assembly includes an assembly frame 16, which is fixedly installed inside the machine body 1, and the end of the assembly frame 16 is slidably connected to the inner slide 1601, and the end of the inner slide 1601 is fixedly installed with a driving motor 17, and the output end of the driving motor 17 and the outer side of the transmission rod 1401 are fixedly sleeved with a driving gear 18, and the two driving gears 18 are meshed with each other; In the embodiment of the present invention, a connection assembly is provided between the inner slide 1601 and the transmission plate frame 12, which is used to drive the drive motor 17 to move up and down along with the transmission plate frame 12. The connection assembly includes a limit plate 1603, which is rotatably installed below the transmission plate frame 12, and a plurality of connection rods 1602 are fixedly installed between the limit plate 1603 and the inner slide 1601; In the embodiment of the present invention, the driving motor 17 is used to drive the transmission rod 1401 to rotate inside the outer rod 1402 through the cooperation of the driving gear 18. At this time, the transmission plate frame 12 and the conveying disc frame 1201 can rotate with the transmission end head 14 and the transmission rod 1401 to realize the conveying operation of the can 6 to be tested; In the embodiment of the present invention, further, a sealing bottom plate 1202 is fixedly installed at the bottom of the conveying tray 1201, and the sealing performance between the conveying tray 1201 and the tank 6 to be tested can be further improved by the cooperation of the sealing bottom plate 1202; In the embodiment of the present invention, specifically, the limiting frames 4 are fixedly installed on both sides of the interior of the body 1, and the conveyor belt 5 is installed between the corresponding limiting frames 4 and the inner wall of the body 1; In the embodiment of the present invention, a window 102 is fixedly installed inside the body 1, and a control panel 2 is fixedly installed outside the body 1. The control panel 2 is based on an existing PLC control module; In the embodiment of the present invention, arc-shaped limit frames 7 are provided on both sides of the interior of the machine body 1. One end of the arc-shaped limit frame 7 is rotatably connected to a rotating shaft 701, and a telescopic push rod 8 is installed at the other end for limiting the position of the can 6 to be tested. The telescopic push rod 8 is used to drive the arc-shaped limit frame 7 to rotate along the rotating shaft 701 to limit the position of the can 6 to be tested, so that the can 6 to be tested can be located in the middle of the conveyor belt 5 for conveying, and can be suitable for limiting the position of cans 6 to be tested of different sizes; In the embodiment of the present invention, specifically, an outer ring frame 9 and an inner ring frame 10 are fixedly installed inside the body 1, and an ultrasonic detection module 11 is fixedly installed inside the outer ring frame 9 and the inner ring frame 10. The ultrasonic detection module 11 is an existing device, which is used to further detect the surface and internal structural defects of the tank 6 to be tested when the tank 6 to be tested moves between the outer ring frame 9 and the inner ring frame 10, thereby effectively improving the detection effect.

[0021] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0022] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. A chemical reactor tank air tightness detection device, comprising a body (1), characterized in that: Conveyor belts (5) are rotatably connected to both sides of the machine body (1), and the conveyor belts (5) are used to convey the cans (6) to be tested; A transmission plate frame (12) is rotatably mounted inside the machine body (1), and a conveying disc frame (1201) is fixedly mounted at both ends of the transmission plate frame (12). A driving cylinder body (3) is fixedly mounted inside the machine body (1), and the driving cylinder body (3) is used to drive the transmission plate frame (12) and the conveying disc frame (1201) to move vertically inside the machine body (1), so that the conveying disc frame (1201) can contact the corresponding can (6) to be tested; An outer sleeve rod (1402) is fixedly mounted inside the machine body (1), and a transmission rod (1401) is sleeved inside the outer sleeve rod (1402). A transmission plate frame (12) is fixedly mounted on the end of the transmission rod (1401), and a transmission end head (14) which is in communication with the transmission rod (1401) is fixedly mounted on the middle of the top surface of the transmission plate frame (12). An air guide pipe (1203) is fixedly mounted inside the conveying disc frame (1201), and a connecting pipe (15) is connected between the air guide pipe (1203) and the transmission end head (14) for pumping negative pressure into the tank (6) to be tested when the conveying disc frame (1201) is in contact with the corresponding tank (6) to be tested. A negative pressure detector (1204) is fixedly mounted on the end of the air guide pipe (1203). The negative pressure detector (1204) is located inside the tank (6) to be tested and is used to detect the negative pressure value.

2. The chemical reactor tank air tightness detection device according to claim 1 is characterized by: A negative pressure pump (13) is fixedly installed inside the machine body (1), and the negative pressure pump (13) is in communication with the outer sleeve (1402).

3. The chemical reactor tank air tightness detection device according to claim 1, characterized in that: A driving assembly is provided inside the machine body (1) for driving the transmission rod (1401) to rotate inside the outer rod (1402), the driving assembly comprising an assembly frame (16), the assembly frame (16) being fixedly mounted inside the machine body (1), and the end of the assembly frame (16) being slidably connected to an inner slide frame (1601), the end of the inner slide frame (1601) being fixedly mounted with a driving motor (17), the output end of the driving motor (17) and the outer side of the transmission rod (1401) being fixedly sleeved with a driving gear (18), and the two driving gears (18) being meshed with each other.

4. The chemical reactor tank air tightness detection device according to claim 3 is characterized by: A connection component is provided between the inner slide (1601) and the transmission plate frame (12), which is used to drive the drive motor (17) to move up and down along with the transmission plate frame (12). The connection component includes a limit plate (1603), and the limit plate (1603) is rotatably installed below the transmission plate frame (12). A plurality of connection rods (1602) are fixedly installed between the limit plate (1603) and the inner slide (1601).

5. The chemical reactor tank air tightness detection device according to claim 1, characterized in that: The ends of the connecting pipes (15) are each installed with a control valve (1501), and the interior of the conveying tray frame (1201) is each fixedly installed with a pressure relief valve.

6. The chemical reactor tank air tightness detection device according to claim 5, characterized in that: A sealing bottom plate (1202) is fixedly mounted on the bottom of the conveying tray frame (1201).

7. The chemical reactor tank air tightness detection device according to claim 1, characterized in that: Limiting frames (4) are fixedly mounted on both sides of the interior of the machine body (1), and the conveyor belt (5) is mounted between the corresponding limiting frames (4) and the inner wall of the machine body (1).

8. The chemical reactor tank air tightness detection device according to claim 1, characterized in that: A window (102) is fixedly mounted inside the machine body (1), and a control panel (2) is fixedly mounted outside the machine body (1).

9. The chemical reactor tank air tightness detection device according to claim 1, characterized in that: Both sides of the interior of the machine body (1) are provided with arc-shaped limit frames (7), one end of the arc-shaped limit frame (7) is rotatably connected to a rotating shaft (701), and the other end is provided with a telescopic push rod (8) for limiting the position of the tank (6) to be tested.

10. The chemical reactor tank air tightness detection device according to claim 1, characterized in that: An outer ring frame (9) and an inner ring frame (10) are fixedly installed inside the machine body (1), and an ultrasonic detection module (11) is fixedly installed inside both the outer ring frame (9) and the inner ring frame (10).

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