Combustible gas discharge water seal device for petrochemical engineering

Abstract

The utility model relates to the technical field of petrochemical production corollary equipment, in particular to a combustible gas discharge water seal device for petrochemical engineering, which comprises a connecting box body, a gas inlet pipe, an exhaust pipe and a liquid level sensor, the lower ends of the blocking assemblies and the lower ends of the partition plates are connected with the inner wall below the connecting box body, and the upper ends of the blocking assemblies and the partition plates are spaced from the inner wall above the connecting box body. A water inlet pipe, a silt discharging assembly and a three-way waste discharging pipe are sequentially arranged at the bottom of the connecting box body from left to right; the silt discharging assembly comprises a flow guide slope which is arranged on the inner wall, below the connecting box body, of the left side of the blocking assembly and inclines downwards from left to right, and a silt discharging opening located in the lowest position of the flow guide slope is formed below the liquid level sensor. According to the blocking assembly with the adjustable height, the liquid level height can be adjusted, linear adjustment of the liquid level is achieved by combining water supplementing with the water inlet pipe, and accumulated silt can be cleared away by arranging the silt discharging assembly and the like.

Description

Technical Field

[0001] This utility model belongs to the technical field of petrochemical production supporting equipment, specifically relating to a combustible gas discharge water seal device for petrochemical engineering. Background Technology

[0002] In petrochemical production processes, protection is required along gas pipeline routes, and water seal structures are often installed to prevent flames from entering the pipelines. Existing water seal structures typically involve the pipe end extending directly below the liquid surface, passing through the liquid, and then exiting at the top on the other side. This method does not allow for effective gas distribution, and after a period of use, a layer of oil floats inside the water seal device. If a flame enters in reverse, it can easily ignite on the water surface, posing a safety hazard. Therefore, it is necessary to remove the floating oil. Existing oil removal methods often involve draining all the water to carry the oil away, or adding flowing water to allow the oily water layer to overflow and be discharged. However, the existing water seal devices have a fixed water-blocking height, preventing adjustment of the water seal liquid level and the removal of floating oil at different heights. This results in limited functionality and poor practicality.

[0003] Chinese Patent CN221196550U discloses a combustible gas discharge water seal device for petrochemical engineering. By opening and closing solenoid valves A at different heights, the internal liquid level can be rapidly adjusted, allowing oily surface water to enter an external storage container. Real-time collection is achieved through supporting equipment, creating a flowing oil-discharging water seal structure that removes floating oil from the internal water surface in real time, avoiding the temporary water seal failure caused by traditional methods that extract all the water. However, the method involves multiple guide pipes at different heights working with solenoid valves A to adjust the water level. The water level needs to be raised to be level with baffle A to allow the floating oil to overflow and be collected. Subsequently, the water level needs to be readjusted using the guide pipes and solenoid valves A. The multiple guide pipes and solenoid valves result in a complex structure with non-linear water level control, making it cumbersome to use and inconvenient for cleaning accumulated sediment in the water. Utility Model Content

[0004] In view of the aforementioned defects of existing combustible gas emission water seal devices for petrochemical engineering, the purpose of this utility model is to propose a combustible gas emission water seal device for petrochemical engineering.

[0005] To achieve the aforesaid object, the technical solution adopted by the utility model is as follows: A combustible gas discharge water seal device for petrochemical engineering, comprising: a connecting box body, an air inlet pipe, an exhaust pipe, and a liquid level sensor. The connecting box body is horizontally arranged. Inside the connecting box body, a barrier component and a partition plate with adjustable height are arranged from left to right. The lower ends of the barrier component and the partition plate are both connected to the inner wall below the connecting box body, and their upper ends are both at a distance from the inner wall above the connecting box body. Moreover, the height of the barrier component is higher than that of the partition plate. The bottom of the connecting box body is successively connected with a water inlet pipe, a sludge discharge component, and a three-way waste discharge pipe from left to right. The liquid level sensor, the sludge discharge component, and the water inlet pipe are arranged on the left side of the barrier component. The end of the air inlet pipe extends into the inside of the left side of the connecting box body and is close to the inner wall below the connecting box body. Ventilation holes arranged in an annular array are penetrated through the pipe wall at the end of the air inlet pipe; the sludge discharge component includes a diversion slope arranged on the inner wall below the connecting box body on the left side of the barrier component and inclined downward from left to right. A sludge discharge port located at the lowest point of the diversion slope is opened below the liquid level sensor.

[0006] Further, the barrier component includes a lower partition plate and a mounting seat. The lower partition plate is arranged on the inner wall below the connecting box body, and the mounting seat is arranged at the bottom of the connecting box body. A servo motor is installed at the bottom of the mounting seat. A lifting frame is slidably connected to the lower partition plate. A lifting rod is connected to the outer wall on the right side of the lifting frame. The inner wall below the connecting box body is provided with a guiding frame extending in the vertical direction for the lifting rod to insert. A threaded rod connected to the output shaft of the servo motor is rotatably arranged inside the guiding frame. A nut adapted to be connected with the threaded rod is rotatably arranged inside the lower end of the lifting rod.

[0007] Further, the lifting frame is arranged in a "冂" shape. Three sealing strips are arranged on the left inner wall of the lifting frame facing the lower partition plate. Two sealing strips extend in the vertical direction and are symmetrically distributed, and the other sealing strip extends in the horizontal direction and contacts the lower ends of the two sealing strips extending in the vertical direction. The outer side walls of the two sealing strips protrude from the lifting frame and are closely fitted with the corresponding front and rear inner walls of the connecting box body, and the outer wall of the other sealing strip is closely fitted with the outer wall of the lower partition plate.

[0008] Further, a diversion plate is connected to the top of the side of the lifting frame close to the partition plate and is inclined downward and can block the guiding frame.

[0009] Further, the liquid level sensor is arranged higher than the barrier component. Both the liquid level sensor and the servo motor are electrically connected to the controller.

[0010] Further, electromagnetic valves are respectively arranged on the water inlet pipe and the three-way waste discharge pipe.

[0011] Further, a blocking plate is arranged on the right side of the partition plate. The upper end of the blocking plate is connected to the inner wall above the connecting box body, and its lower end is at a distance from the inner wall below the connecting box body and the lower end is lower than the upper end of the partition plate. A filter screen is arranged between the blocking plate and the inner wall on the right side of the connecting box body.

[0012] Furthermore, the main pipe of the three-way waste drain pipe connects to the area between the barrier components and the partition inside the box, and its branch pipe connects to the area below the filter screen.

[0013] Furthermore, the sludge removal assembly also includes a sludge discharge valve located at the bottom of the connecting box and connected to the sludge discharge port. The bottom of the sludge discharge valve is connected to a sludge discharge pipe, and the bottom of the sludge discharge pipe is connected to a collection box.

[0014] Furthermore, the aforementioned device also includes support bases, which are equidistantly arranged at the bottom of the connecting box.

[0015] The aforementioned combustible gas emission water seal device for petrochemical engineering can achieve the following beneficial effects:

[0016] 1. The liquid level sensor is located in the water body and can detect changes in liquid level. Combined with the control servo motor to drive the screw rod to rotate, the lifting rod drives the lifting frame to slide up and down outside the lower partition to adjust the height. The liquid level can be flexibly adjusted according to the exhaust pressure, and the floating oil can be drained away. With the help of the water inlet pipe to replenish water, the liquid level is stabilized. The complexity of components and operation is reduced, and the liquid level can be linearly adjusted to improve the flexibility of use.

[0017] 2. Impurities in combustible gas settle to the bottom of the water body, forming silt that converges towards the lower discharge outlet under the action of the guide slope, thus achieving the cleaning of the silt. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a combustible gas emission water seal device for petrochemical engineering according to this utility model;

[0019] Figure 2 This is a partial three-dimensional structural diagram of a combustible gas emission water seal device for petrochemical engineering according to this utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of a combustible gas emission water seal device for petrochemical engineering from another angle.

[0021] Figure 4 yes Figure 2 The front view;

[0022] Figure 5 yes Figure 2 A three-dimensional structural diagram of the middle barrier component;

[0023] Figure 6 yes Figure 2 A schematic diagram of the silt removal component.

[0024] In the diagram: 1. Connecting box; 2. Barrier assembly; 21. Lower partition; 22. Mounting base; 23. Lifting frame; 24. Guide frame; 25. Servo motor; 26. Threaded rod; 27. Lifting rod; 28. Sealing strip; 29. ​​Guide plate; 3. Partition; 4. Baffle plate; 5. Filter screen; 6. Air inlet pipe; 7. Exhaust pipe; 8. Sludge removal assembly; 81. Sludge valve; 82. Sludge pipe; 83. Collection box; 9. Water inlet pipe; 10. T-junction waste pipe; 11. Liquid level sensor; 12. Guide slope; 13. Sludge removal port; 14. Support base. 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 Left and right are defined by the flow direction of gas in the horizontal section of the outlet pipe, and rear and front are defined by the flow direction of gas in the horizontal section of the inlet pipe. This embodiment provides a combustible gas emission water seal device for petrochemical engineering, including: a connecting box 1, an inlet pipe 6, an exhaust pipe 7, and a liquid level sensor 11. The connecting box is arranged horizontally. Inside the connecting box, from left to right, are arranged an adjustable height barrier component 2 and a partition 3. The lower ends of the barrier component 2 and the lower ends of the partition 3 are connected to the inner wall below the connecting box, and their upper ends are separated from the inner wall above the connecting box. The height of the barrier component 2 is higher than the height of the partition 3. The bottom of the connecting box is arranged from left to right as follows: The device includes an inlet pipe 9, a sludge discharge assembly 8, and a three-way waste discharge pipe 10. The liquid level sensor, the sludge discharge assembly, and the inlet pipe are located on the left side of the barrier assembly 2. The end of the air inlet pipe extends into the interior of the left side of the connecting box and is close to the inner wall below the connecting box. A ring array of vent holes is opened through the pipe wall at the end of the air inlet pipe. The sludge discharge assembly includes a guide slope 12 that is located on the inner wall below the connecting box on the left side of the barrier assembly and slopes downward from left to right. A sludge discharge port 13 is located below the liquid level sensor at the lowest point of the guide slope 12.

[0027] Specifically, the upper and lower ends of the connecting box body 1 are arc-shaped, which is convenient for the complete discharge of gas or liquid. The intake pipe extends into the position near the lower inner wall of the connecting box body 1, which is convenient for the liquid surface to cover during air intake. During use, a certain amount or flow rate of water body is injected into the left side of the connecting box body 1 through the water inlet pipe 9 provided, so as to immerse the end of the intake pipe 6. The vent holes opened at the end of the intake pipe 6 can disperse the discharge of gas. The height-adjustable barrier component 2 provided can block the liquid, so that a higher liquid level is formed on the left side of the connecting box body 1 to perform a water seal operation on the intake pipe 6. The height of the barrier component 2 is higher than that of the partition board 3, which can make the floating oil on the left flow to the right between the barrier component 2 and the partition board 3 following the liquid under the high water level liquid seal state, and then be discharged to the outside through the three-way waste pipe 10 provided. The liquid level sensor 11 provided can obtain the internal liquid level information, so as to achieve rapid adjustment. Compared with the traditional single liquid level water seal height, it has better flexibility and faster adjustment speed, and can greatly shorten the adjustment period.

[0028] Please refer to Figure 2 、 Figure 4 , in this embodiment, the height-adjustable barrier component 2 includes a lower partition board 21 and a mounting seat 22. The lower partition board is arranged on the inner wall below the connecting box body, and the mounting seat is arranged at the bottom of the connecting box body. A servo motor 25 is installed at the bottom of the mounting seat 22. A lifting frame 23 is slidably connected to the lower partition board. A lifting rod 27 is connected to the outer wall on the right side of the lifting frame. A guide frame 24 extending in the vertical direction and for the lifting rod to insert is arranged on the inner wall below the connecting box body. A threaded rod 26 connected to the output shaft of the servo motor is rotatably arranged inside the guide frame. A nut adapted to be connected to the threaded rod is rotatably arranged inside the lower end of the lifting rod.

[0029] Specifically, the liquid level sensor 11 is arranged on the rear inner wall on the left side of the connecting box body 1. Combining with the servo motor 25 driving the threaded rod 26 to rotate, driving the lifting rod 27 to drive the lifting frame 23 to slide up and down outside the lower partition board 21 to adjust the height, the liquid level height can be flexibly adjusted according to the exhaust pressure, so that the floating oil overflows and drains away. Combining with the opening of the electromagnetic valve arranged on the water inlet pipe 9 to replenish water to ensure the liquid level is stable, and then the linear flexible adjustment of the liquid level is realized.

[0030] Please refer to Figure 5 , in this embodiment, the lifting frame is arranged in a "冂" shape. Three sealing strips 28 are arranged on the left inner wall of the lifting frame 23 facing the lower partition board. Two sealing strips extend in the vertical direction and are symmetrically distributed, and the other sealing strip extends in the horizontal direction and contacts the lower ends of the two sealing strips extending in the vertical direction. The outer walls of the two sealing strips protrude from the lifting frame and are closely fitted with the corresponding front and rear inner walls of the connecting box body, and the outer wall of the other sealing strip is closely fitted with the outer wall of the lower partition board.

[0031] Specifically, three sealing strips are provided to ensure that the lifting frame 23 maintains good sealing performance during its up-and-down sliding process, effectively preventing water from leaking from the gap between the lifting frame 23 and the connecting box 1, and the gap between the lifting frame and the lower partition, thus ensuring stable liquid level. Furthermore, the sealing strip 28 is made of oil-resistant and corrosion-resistant rubber material, which can prevent water leakage from the water seal and extend its service life.

[0032] Please see Figure 2 , Figure 4 , Figure 5 In this embodiment, a guide plate 29 is connected to the top of the lifting frame near the partition 3. The guide plate 29 is inclined downwards and can block the guide frame. Specifically, when floating oil accumulates on the water surface and the liquid level rises to the position of the guide plate 29, the floating oil flows to the side of the partition 3 under the guidance of the guide plate 29. The guide plate blocks the guide frame, which can prevent the floating oil from flowing into the guide frame 24, making it easier to collect and treat the floating oil in the future. Furthermore, the surface of the guide plate 29 can be coated to reduce the adhesion of floating oil on its surface and improve the diversion efficiency. At the same time, it is made of stainless steel, which has good corrosion resistance and wear resistance, can adapt to the complex environment inside the water seal device, and extend its service life. Furthermore, the top of the lifting rod contacts the inner wall of the guide plate. This design can support the guide plate and make the guide plate more stably maintain the downward tilt angle.

[0033] Please see Figure 2 , Figure 4 In this embodiment, the liquid level sensor 11 is positioned higher than the barrier component 2. The liquid level sensor and the servo motor are both electrically connected to the controller. The liquid level sensor 11 monitors the water level at the left side of the water seal position inside the connecting box 1 in real time and sends a signal to the external controller. The controller accurately controls the servo motor 25 and flexibly adjusts the water seal liquid level to ensure a stable and reliable water seal effect. Furthermore, the liquid level sensor 11 uses a high-precision detection element with small measurement error and fast response speed.

[0034] Please see Figure 2 In this embodiment, a baffle plate 4 is provided on the right side of the partition. The upper end of the baffle plate is connected to the inner wall above the connecting box, and its lower end is at a distance from the inner wall below the connecting box, with the lower end being lower than the upper end of the partition plate. A filter screen 5 is provided between the baffle plate and the inner wall on the right side of the connecting box. Specifically, the baffle plate 4 can further block the gas passing through the liquid surface, causing it to flow downwards and then through the filter screen 5. The filter screen helps to remove water droplets or oil and other liquids carried in the gas, preventing water droplets from flying out and ensuring that the combustible gas passing through the water seal is relatively clean.

[0035] Please see Figure 4In this embodiment, the three-way waste drain pipe 10 connects the area between the barrier component 2 and the partition 3 inside the housing 1, as well as the area below the filter screen 5. The main pipe of the three-way waste drain pipe 10 vertically penetrates the bottom of the housing 1 and is located between the barrier component 2 and the partition 3. A branch pipe is provided on the side of the three-way waste drain pipe 10 to connect the area below the filter screen 5 inside the housing 1. The end of the three-way waste drain pipe 10 is provided with an electromagnetic valve electrically connected to the controller. The electromagnetic valve can be opened periodically according to the actual working conditions to discharge the oily wastewater and sediment at the bottom of the oil-water separation zone through the three-way waste drain pipe 10.

[0036] Please see Figure 2 , Figure 6 In this embodiment, the sludge removal component 8 also includes a drain valve 81 located at the bottom of the connecting box 1 and connected to the sludge removal port 13. A drain pipe 82 is fixedly connected to the bottom of the drain valve 81, and a collection box 83 is connected to the bottom of the drain pipe 82. Specifically, solid impurities, liquid condensate, and sediments carried in combustible gas settle to the bottom of the water body due to gravity, forming sludge. The guide slope 12 allows the sludge to converge towards the lower sludge removal port 13. By controlling the timed opening of the drain valve 81, some water and sludge are pushed into the collection box 83 along the drain pipe 82 by gravity and the internal and external pressure between the connecting box 1 and the outside, so as to facilitate the cleaning of the sludge.

[0037] Please see Figure 2 In this embodiment, the aforementioned device also includes a support base 14, which is equidistantly arranged at the bottom of the connecting box to support the connecting box. Specifically, the support base makes installation more convenient and ensures transportation and connection reliability. Furthermore, the lower end of the support base can also be provided with a through-hole for installation. The installation hole can firmly connect the support base to the connecting planes of different usage sites, ensuring the stability and strength of the connection. The connection method is simple and easy to assemble.

[0038] The working principle of this utility model of a combustible gas emission water seal device for petrochemical engineering is as follows: During use, a certain amount or flow rate of water is injected into the left side of the barrier component 2 inside the connecting housing 1 through the water inlet pipe 9. The liquid level is maintained by opening the solenoid valve on the water inlet pipe 9. The water soaks the vent at the lower end of the air inlet pipe 6. The water is blocked by the lower partition 21 and the lifting frame 23, forming a liquid surface on the left side of the connecting housing 1 to perform a water seal operation on the air inlet pipe 6. The liquid level sensor 11 located in the water can detect changes in the liquid level. When it is necessary to clean the floating oil on the water, the controller connected to the liquid level sensor 11 receives the liquid level sensor data. The servo motor 25 is controlled to drive the threaded rod 26 to rotate. The rotation of the threaded rod 26 drives the lifting rod 27 to slide up and down inside the guide frame 24. The lifting rod 27 drives the lifting frame 23 to slide up and down outside the lower partition 21 to adjust its height. The height of the lifting frame 23 is lower than the liquid level by a certain distance, so that the floating oil on the liquid level overflows to the right and flows into the space between the barrier component 2 and the partition 3 along the guide plate 29. When adjusting different exhaust pressures, the lifting height of the lifting frame 23 can be controlled by the servo motor 25, so that the water overflows into the partition 3. The height of the water seal liquid level can be flexibly and linearly adjusted in conjunction with the liquid level sensor 11.

[0039] The gas passing through the liquid surface is blocked by the baffle plate 4, causing it to flow downwards along the baffle plate 4 and be discharged from the exhaust pipe 7. The gas passes through the inside of the filter screen 5, which facilitates the liquid carried by the gas to fall into the left side of the connecting box 1, preventing water droplets from flying out and ensuring that the combustible gas that has passed through the water seal is relatively clean. By opening the solenoid valve on the three-way exhaust pipe 10, the floating oil and water between the barrier component 2 and the baffle plate 3 and the left side of the connecting box 1 can be discharged into the connected container for collection.

[0040] After prolonged use, the water will accumulate sediment on the left side of the connecting box 1. The sediment is directed to the lower discharge port 13 by the guide slope 12. When the discharge valve 81 is opened, the sediment is pushed into the collection box 83 by gravity and the pressure difference between the connecting box 1 and the outside.

[0041] The above description is merely a preferred embodiment of this utility model. Any simple modifications, equivalent changes, and alterations made by those skilled in the art to the above embodiments based on the technical essence of this utility model without departing from the scope of the technical solution of this utility model shall still fall within the scope of the technical solution of this utility model.

Claims

1. A combustible gas emission water seal device for petrochemical engineering, characterized in that, Comprising: A connecting box body (1), an air inlet pipe (6), an exhaust pipe (7), and a liquid level sensor (11) are connected. The connecting box body is horizontally arranged. Inside the connecting box body, a barrier component (2) and a partition (3) with adjustable height are arranged from left to right. The lower ends of the barrier component and the partition are both connected to the inner wall below the connecting box body, and their upper ends are both at a distance from the inner wall above the connecting box body. Moreover, the height of the barrier component is higher than that of the partition. The bottom of the connecting box body is sequentially provided with a water inlet pipe (9), a sludge discharging component (8), and a three-way waste discharging pipe (10) from left to right. The liquid level sensor, the sludge discharging component, and the water inlet pipe are arranged on the left side of the barrier component. The end of the air inlet pipe extends into the inside of the left side of the connecting box body and is close to the inner wall below the connecting box body. Ventilation holes in an annular array are贯通开设 (should be 'throughly opened') on the pipe wall at the end of the air inlet pipe. The sludge discharging component includes a guiding slope (12) arranged on the inner wall below the connecting box body on the left side of the barrier component and inclined downward from left to right. A sludge discharging port (13) located at the lowest point of the guiding slope is opened below the liquid level sensor.

2. The combustible gas emission water seal device for petrochemical engineering according to claim 1, characterized in that, The barrier component (2) includes a lower partition (21) and a mounting seat (22). The lower partition is arranged on the inner wall below the connecting box body, and the mounting seat is arranged at the bottom of the connecting box body. A servo motor (25) is installed at the bottom of the mounting seat. A lifting frame (23) is slidably connected to the lower partition. A lifting rod (27) is connected to the outer wall on the right side of the lifting frame. The inner wall below the connecting box body is provided with a guiding frame (24) extending in the vertical direction for the lifting rod to insert. A threaded rod (26) connected to the output shaft of the servo motor is rotatably arranged inside the guiding frame. A nut adapted to be connected to the threaded rod is rotatably arranged inside the lower end of the lifting rod.

3. A combustible gas emission water seal device for petrochemical engineering according to claim 2, characterized in that, The lifting frame is arranged in a "冂" shape. Three sealing strips (28) are arranged on the left inner wall of the lifting frame facing the lower partition. Two sealing strips extend in the vertical direction and are symmetrically distributed, and the other sealing strip extends in the horizontal direction and contacts the lower ends of the two sealing strips extending in the vertical direction. The outer side walls of the two sealing strips protrude from the lifting frame and closely fit with the corresponding front and rear inner walls of the connecting box body, and the outer wall of the other sealing strip closely fits with the outer wall of the lower partition.

4. A combustible gas emission water seal device for petrochemical engineering according to claim 2, characterized in that, A guiding plate (29) that is inclined downward and can block the guiding frame is arranged at the top of the lifting frame close to the partition side.

5. A combustible gas emission water seal device for petrochemical engineering according to claim 2, characterized in that, The liquid level sensor (11) is arranged higher than the barrier component. Both the liquid level sensor and the servo motor are electrically connected to the controller.

6. A combustible gas emission water seal device for petrochemical engineering according to claim 1, characterized in that, Electromagnetic valves are respectively arranged on the water inlet pipe and the three-way waste discharging pipe.

7. A combustible gas emission water seal device for petrochemical engineering according to claim 1, characterized in that, A blocking plate (4) is arranged on the right side of the partition. The upper end of the blocking plate (4) is connected to the inner wall above the connecting box body, and its lower end is at a distance from the inner wall below the connecting box body and the lower end is lower than the upper end of the partition. A filter screen (5) is arranged between the blocking plate and the inner wall on the right side of the connecting box body.

8. A combustible gas emission water seal device for petrochemical engineering according to claim 7, characterized in that, The main pipe of the three-way waste discharging pipe (10) communicates with the area between the barrier component and the partition inside the connecting box body, and its branch pipe communicates with the area below the filter screen (5).

9. A combustible gas emission water seal device for petrochemical engineering according to claim 1, characterized in that, The sludge discharging component further includes a sewage discharge valve (81) arranged at the bottom of the connecting box body and communicating with the sludge discharging port. The bottom of the sewage discharge valve is connected with a sewage discharge pipe (82), and the bottom of the sewage discharge pipe is connected with a collection box (83).

10. A combustible gas emission water seal device for petrochemical engineering according to claim 1, characterized in that, It further includes a support seat (I4), and the support seats are equidistantly arranged at the bottom of the connecting box body. It should be noted that in the translation of , the expression '贯通开设' is not very clear in the original Chinese. It might be more accurately expressed as 'throughly opened' in English, but this might need to be further confirmed according to the actual context. Also, in , 'I4' in 'a support seat (I4)' seems like a mislabel in the original Chinese and should probably be '14' for a more reasonable translation.

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