A kind of chemical reaction kettle body air tightness detection device

Abstract

The utility model relates to airtightness detection technical field, and disclose a kind of chemical reaction kettle tank airtightness detection device, including collar, can be encased in the peripheral part of the connecting portion of reaction kettle body and kettle cover;Movable sealing element is connected in the collar, and the movable sealing element includes inflatable airbag pipe, the airbag pipe is along the side edge setting of collar adjoins reaction kettle, can be tightly attached reaction kettle outer wall after inflation, and the inner circumference of the collar is equipped with recess;Display element includes connecting hose and piston element;The utility model is along the side edge setting of collar adjoins reaction kettle by inflatable airbag pipe, can be tightly attached reaction kettle outer wall after inflation, cooperate the rubber pad of collar upper and lower end surface, can realize the all-around sealing of collar and the connecting portion of reaction kettle, effectively avoid external air interference or internal leakage gas escape, solve the unstable problem of the sealing effect of existing device, ensure the accuracy of airtightness detection result.

Description

Technical Field

[0001] This utility model relates to the field of airtightness testing technology, and in particular to an airtightness testing device for chemical reaction vessel tanks. Background Technology

[0002] In chemical production, the reactor is the core equipment for material mixing and reaction. The sealing of the connection between the tank body and the lid directly affects production safety and product quality. Because reactors are often in high-pressure, high-temperature, or corrosive media environments, the sealing structure of the connection is prone to aging, wear, or installation deviations after long-term use, leading to a decrease in airtightness and gas leakage. Such leakage not only causes waste of raw materials and a reduction in product purity, but may also cause safety accidents due to the leakage of flammable, explosive, or toxic gases. Therefore, regular airtightness testing of reactor tanks is a key step in chemical production.

[0003] Existing reactor airtightness testing devices have certain shortcomings: on the one hand, the sealing structure is not adaptable enough and it is difficult to fit closely with the connection parts of reactors of different specifications, which easily leads to sealing gaps, causing external air to seep in or leaked gas to escape, directly affecting the accuracy of the test results; on the other hand, the leakage signal feedback mechanism is not intuitive enough, and it relies heavily on professional instrument readings or complex data judgments, which makes the operation process cumbersome and requires high professional skills from personnel, resulting in low testing efficiency. Utility Model Content

[0004] This invention proposes a device for detecting the air tightness of chemical reactor bodies, in order to solve the problems of insufficient adaptability of sealing structures, unintuitive feedback of leakage signals, and low detection efficiency due to high requirements for personnel's professional skills in existing reactor air tightness detection devices.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a device for detecting the airtightness of a chemical reaction vessel, comprising:

[0006] A collar can be fitted around the connection between the reactor body and the reactor lid.

[0007] A movable seal is connected to the collar. The movable seal includes an inflatable and deflated air bladder tube. The air bladder tube is arranged along one side edge of the collar that is close to the reactor. After inflation, it can fit tightly against the outer wall of the reactor. The inner circumference of the collar is provided with a groove.

[0008] The display component includes a connecting hose and a piston. The piston contains a sponge block impregnated with liquid. The piston is connected to the groove via the connecting hose. When air is injected into the reactor and a leak occurs, gas enters the piston through the connecting hose to compress the sponge block.

[0009] Preferably, the collar includes a hinged first semicircular ring and a second semicircular ring, and both the first semicircular ring and the end of the second semicircular ring opposite to the hinge are fixed with a protrusion, and the two protrusions are connected by a fastening bolt.

[0010] Preferably, the movable seal further includes a vent tube, and airbag tubes are provided at the upper and lower ends of the inner sides of the first and second semicircular rings, with each airbag tube connected to a vent tube.

[0011] Preferably, the piston component includes:

[0012] A piston cylinder, wherein a piston is slidably disposed inside the piston cylinder;

[0013] A hollow rod passes through one end of the piston cylinder and is connected to the connecting hose; the sponge block is located inside the piston cylinder at the end opposite to the hollow rod.

[0014] The cap is detachably installed on the end of the piston cylinder away from the hollow rod, and the cap is connected to a guide tube.

[0015] Preferably, the piston cylinder has a viewing window on its outer side along its length.

[0016] Preferably, rubber pads are fixed to the upper and lower end faces of both the first and second semicircular rings.

[0017] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0018] (1) An inflatable and deflated airbag tube is installed along one side of the collar that is close to the reactor. After inflation, it can fit tightly against the outer wall of the reactor. With the rubber gaskets on the upper and lower ends of the collar, the connection between the collar and the reactor can be fully sealed, effectively avoiding external air interference or internal leakage of gas. This solves the problem of unstable sealing effect of existing devices, ensures the accuracy of air tightness test results, and the inflatable airbag tube can seal the connection parts of reactors of various specifications, expanding the applicability of the device.

[0019] (2) The display unit is connected to the collar groove through the connecting hose. The sponge block in the piston is pre-soaked with the indicator liquid. When the reactor leaks, the gas enters the piston cylinder through the groove and the connecting hose in sequence, pushing the piston to squeeze the sponge block, so that the indicator liquid flows out from the guide pipe. At the same time, the piston movement status can be observed through the viewing window of the piston cylinder. The dual visualization feedback design makes the leakage signal clear and intuitive, and the staff can quickly judge the leakage situation without professional skills. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This utility model Figure 1 A structural diagram from another angle;

[0023] Figure 3 This is a schematic diagram of the structure of the collar of this utility model in its unfolded state;

[0024] Figure 4 This is a schematic diagram of the structure of the present invention with the piston cylinder and the cap separated.

[0025] Figure 5 This is a cross-sectional structural diagram of the display component of this utility model;

[0026] In the diagram: 1. Collar; 11. First semi-circular ring; 12. Second semi-circular ring; 13. Groove; 2. Display element; 21. Piston cylinder; 22. Viewing window; 23. Hollow rod; 24. Connecting hose; 25. Sponge block; 26. Cap; 27. Guide tube; 28. Piston; 3. Movable seal; 31. Airbag tube; 32. Vent tube; 4. Rubber pad; 5. Protrusion; 6. Fastening bolt. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figures 1-5As shown, this utility model provides a chemical reactor tank airtightness detection device, including a collar 1, a display element 2, and a movable sealing element 3. The collar 1 can be fitted around the connection between the reactor body and the reactor cover. A groove 13 is provided on the inner circumferential surface of the collar 1. The movable sealing element 3 is connected to the collar 1. Its core component is an inflatable and deflated airbag tube 31. The airbag tube 31 is set along the edge of the collar 1 against the reactor. After inflation, it can tightly fit the contact point between the outer wall of the reactor and the collar 1 to achieve a seal at the contact end. The display element 2 includes a connecting hose 24 and a piston. The piston has a sponge block 25 soaked in liquid inside. The piston is connected to the groove 13 of the collar 1 through the connecting hose 24. When an airtightness leak occurs after the reactor is pressurized, the leaking gas can enter the piston through the groove 13 on the collar 1 and the connecting hose 24 in sequence, thereby squeezing the sponge block 25 to cause the liquid to seep out, forming a visual leak signal.

[0029] Among them, see Figures 1-3 As shown, the collar 1 adopts an openable half-shaft structure. The collar 1 specifically includes a hinged first semi-circular ring 11 and a second semi-circular ring 12. Both the first semi-circular ring 11 and the second semi-circular ring 12 have a protrusion 5 fixed at the end opposite to the hinge. The two protrusions 5 have corresponding bolt holes. By inserting fastening bolts 6 and locking them with nuts, the collar 1 is fixed at the connection part of the reactor. Rubber pads 4 are fixed on the upper and lower end faces of the first semi-circular ring 11 and the second semi-circular ring 12.

[0030] See Figures 4-5 As shown, the movable seal 3 also includes a vent pipe 32, on which a valve can be installed. The upper and lower ends of the inner sides of the first semicircular ring 11 and the second semicircular ring 12 are provided with airbag tubes 31. Each airbag tube 31 is connected to a vent pipe 32. In use, the valve on the vent pipe 32 can be opened, and then gas can be injected into the airbag tube 31 through the vent pipe 32, which will cause the airbag tube 31 to inflate.

[0031] See Figures 4-5 As shown, the piston assembly includes a piston cylinder 21, a hollow rod 23, and a cap 26. A viewing window 22 is provided on the outside of the piston cylinder 21 along its length, and a piston 28 is slidably provided inside the piston cylinder 21. The hollow rod 23 passes through one end of the piston cylinder 21 and is connected to a connecting hose 24. A sponge block 25 is provided inside the piston cylinder 21 at the end away from the hollow rod 23. The cap 26 is detachably installed on the end of the piston cylinder 21 away from the hollow rod 23, and the cap 26 is connected to a guide tube 27.

[0032] To fix the piston cylinder 21, mounting protrusions can be installed on the outside of the piston cylinder 21. The mounting protrusions can be symmetrically distributed on both sides of the piston cylinder 21. The plate body has pre-set matching mounting holes. The hole diameter and hole position can be customized according to the actual installation scenario. During installation, fasteners such as bolts are used to pass through the mounting holes to firmly connect the mounting protrusions to the equipment frame, fixed seat and other basic structures, thereby accurately fixing the position of the piston cylinder 21.

[0033] Based on the above, in specific use, the operator can first put the first semicircular ring 11 and the second semicircular ring 12 around the connection between the reactor body and the lid, then use the fastening bolt 6 to lock the two protrusions 5, and then fix the position of the piston cylinder 21. Then, gas is injected into the air bladder tube 31 through the vent pipe 32 to make the air bladder tube 31 inflate, so that the collar 1 and the connection between the reactor body and the lid form a seal. Finally, open a pipeline on the reactor body (this pipeline must be unobstructed and independently controllable) to introduce air into the reactor through this pipeline, and observe the status of the display 2 and related components.

[0034] The detection principle is as follows: If the connection between the reactor body and the lid is well-sealed, the air introduced into the reactor will not escape from this connection, and the pressure in the space where the groove 13 is located remains stable. At this time, the display element 2 will not undergo any state change. If there is a sealing defect at the connection between the reactor body and the lid, the air introduced into the reactor will escape from this defect and enter the groove 13 inside the collar 1. After the escaped gas enters the groove 13, it will flow into the hollow rod 23 through the connecting hose 24 connected to the groove 13. Subsequently, the gas enters the internal chamber of the piston cylinder 21 through the hollow rod 23. As gas continuously flows in, the pressure inside the piston cylinder 21 gradually increases, which in turn pushes the internal piston 28 to move along the cylinder wall and squeeze the sponge block 25. The sponge block 25 has been pre-absorbed with a specific indicator liquid (such as a non-toxic liquid with a distinct color). Under the squeezing action, the indicator liquid inside the sponge block 25 is squeezed out and flows out through the guide pipe 27 connected to the end of the piston cylinder 21. When the operator observes that liquid is flowing out from the guide pipe 27, it can be directly determined that the reactor is not well sealed. In addition, the piston 28 can be observed to see if it moves through the viewing window 22. If it moves, it indicates that the reactor is not well sealed.

[0035] 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, 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 device for detecting the airtightness of a chemical reaction vessel, characterized in that, include: The collar (1) can be fitted around the connection between the reactor body and the reactor lid; A movable seal (3) is connected to the collar (1). The movable seal (3) includes an inflatable and deflated airbag tube (31). The airbag tube (31) is arranged along one side edge of the collar (1) against the reactor. After inflation, it can fit tightly against the outer wall of the reactor. The inner circumference of the collar (1) is provided with a groove (13). The display component (2) includes a connecting hose (24) and a piston component. The piston component is provided with a sponge block (25) soaked in liquid. The piston component is connected to the groove (13) through the connecting hose (24). When air is injected into the reactor and leakage occurs, gas enters the piston component through the connecting hose (24) to squeeze the sponge block (25).

2. The airtightness testing device for a chemical reaction vessel according to claim 1, characterized in that: The collar (1) includes a hinged first semicircular ring (11) and a second semicircular ring (12). Both the first semicircular ring (11) and the second semicircular ring (12) have a protrusion (5) fixed at the end away from the hinge. The two protrusions (5) are connected by a fastening bolt (6).

3. The airtightness testing device for a chemical reaction vessel according to claim 2, characterized in that: The movable seal (3) also includes a vent tube (32). The upper and lower ends of the inner sides of the first semi-circular ring (11) and the second semi-circular ring (12) are provided with airbag tubes (31), and each airbag tube (31) is connected to a vent tube (32).

4. The airtightness testing device for a chemical reaction vessel according to claim 1, characterized in that: The piston component includes: A piston cylinder (21) is provided with a piston (28) slidingly disposed inside the piston cylinder (21); A hollow rod (23) passes through one end of the piston cylinder (21) and is connected to the connecting hose (24). The sponge block (25) is located inside the piston cylinder (21) at one end away from the hollow rod (23). The cap (26) is detachably installed on the end of the piston cylinder (21) away from the hollow rod (23), and the cap (26) is connected to the guide tube (27).

5. The airtightness testing device for a chemical reaction vessel according to claim 4, characterized in that: The piston cylinder (21) has a viewing window (22) on its exterior along its length.

6. The airtightness testing device for a chemical reaction vessel according to claim 2, characterized in that: Rubber pads (4) are fixed on the upper and lower end faces of the first semicircular ring (11) and the second semicircular ring (12).

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