Visual automatic water discharge device for gas collection and slag discharge

Abstract

The utility model discloses a gas collecting and deslagging visual automatic water discharging device, and relates to the technical field of pipeline treatment, in particular to a gas collecting and deslagging visual automatic water discharging device which comprises a water collecting tank, an internal thread sleeve is fixedly installed at the bottom of the water collecting tank, and an external thread sleeve is connected to the lower portion of the internal thread sleeve through threads. A drain valve is installed on the side, close to the bottom face, of the water collecting tank, a filter plate is fixedly installed inside the water collecting tank close to the drain valve, and a maintenance opening is formed in the side, close to the upper surface of the filter plate, of the water collecting tank. According to the gas-collecting and slag-discharging visual automatic water discharging device, the input pipe and the lower inclined baffle are arranged in a matched mode, so that the gas-water separation efficiency is improved, the floater assembly, the magnetic ring and the positive and negative pressure adjusting device are arranged in a matched mode, and therefore the gas-collecting and slag-discharging visual automatic water discharging device has the effect of preventing gas from leaking from the water discharging valve; and through the cooperative arrangement of the internal thread sleeve and the external thread sleeve, the gas collection and slag discharge visual automatic water drainage device has the effect that the installation height is convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline processing, in particular to a gas collection and slag removal visual automatic water discharge device. Background Art

[0002] In various industrial and civil fields, pipeline systems are widely used to transport liquids, gases and other media. However, during the operation of pipeline systems, various problems are often encountered. For example, if the water pumped up when collecting underground gas cannot be removed, it will seriously damage the pipeline and reduce the purity of the gas. Since the float floats in real time with the liquid surface, when the liquid flow is very small, it will naturally float up due to the float and will not reach the top. When the liquid stops, the control valve is not closed tightly (semi-closed), which will lead to very dangerous gas leakage. The visual automatic water discharge device for gas collection and slag discharge is directly fixed on the ground, making it difficult to adjust the height. Utility Model Content

[0003] (1) Technical problems solved

[0004] In view of the deficiencies in the prior art, the present invention provides a visual automatic water discharge device for gas collection and slag discharge, which solves the problems raised in the above-mentioned background technology.

[0005] (2) Technical solution

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a visual automatic water discharge device for gas collection and slag discharge, including a water collecting box, an internal threaded sleeve fixedly installed at the bottom of the water collecting box, an external threaded sleeve connected to the bottom of the internal threaded sleeve by a thread, a drain valve installed on the side of the water collecting box near the bottom, a filter plate fixedly installed inside the water collecting box near the drain valve, a maintenance port is provided on the side of the upper surface of the water collecting box near the filter plate, an optical axis is fixedly installed above the middle position of the filter plate, a float assembly that can slide up and down is sleeved on the outer surface of the optical axis, the float assembly includes a hollow float, a collision plate is installed at the middle position of the top of the hollow float, an iron ring is installed at the bottom of the hollow float, a magnetic ring is fixedly installed below the middle position of the filter plate, and the top of the water collecting box A positive and negative pressure regulating device is fixedly installed in the middle position of the surface, and the positive and negative pressure regulating device includes a positive and negative pressure regulating shell and a positive and negative pressure regulating core. A positive pressure exhaust port, a negative pressure exhaust port and an air pressure balance port are provided on the side of the positive and negative pressure regulating shell. An external dust filter connected to the positive pressure exhaust port is installed on one side above the water collecting box, and a negative pressure balance pipe connected to the negative pressure exhaust port is installed on the top of the water collecting box. A visual window is installed in front of the water collecting box, and an air collecting box is connected to the top of the water collecting box through a flange. A one-way water inlet valve connecting the water collecting box and the air collecting box is installed on the top of the water collecting box. A downward sloping baffle is provided on the inner wall of the air collecting box, an elbow input pipe is installed above the air collecting box near the lower sloping baffle, a straight input pipe is installed below the air collecting box near the lower sloping baffle, and an air return pipe is installed on the top of the air collecting box.

[0007] Preferably, the internal threaded sleeve is concentric with the water collecting box, and the external threaded sleeve is fixed on the ground. Since the internal threaded sleeve and the external threaded sleeve are connected by threads, the height can be changed by rotating the water collecting box.

[0008] Preferably, the material of the viewing window is colorless and transparent acrylic with large length and width. Due to the large viewing area, the water level inside the water collecting tank can be intuitively viewed, so that technical workers can estimate the water volume and make appropriate adjustments. The viewing window is connected to the water collecting tank through PVC and acrylic hot-melt technology.

[0009] Preferably, the hollow float fits in the optical axis gap and generates an upward buoyancy in the liquid. The magnetic ring attracts the iron ring through magnetic force so that the float assembly will float up and directly top only after the buoyancy reaches a certain limit. That is, after the float assembly gets rid of the magnetic force of the magnetic ring, it floats up and can directly push the positive and negative pressure regulating core to the top of the positive and negative pressure regulating shell.

[0010] Preferably, when the positive and negative pressure regulating core is located below the positive and negative pressure regulating shell, the positive pressure exhaust port is blocked but the negative pressure exhaust port is opened to connect the water collecting tank with the air collecting tank. At this time, the one-way water inlet valve is opened and the liquid inside the air collecting tank falls into the water collecting tank. When the positive and negative pressure regulating core is located above the positive and negative pressure regulating shell, the negative pressure exhaust port is blocked but the positive pressure exhaust port is opened to connect the water collecting tank to the atmosphere through the external dust filter. At this time, the drain valve is opened to discharge the liquid in the water collecting tank and then inhale the filtered air from the external dust filter to keep the internal air pressure balanced.

[0011] Preferably, the inner end of the elbow input pipe is vertically downward and close to the upper surface of the lower inclined baffle, and the inner end of the straight input pipe is located near the lower surface of the lower inclined baffle, so that the water vapor injected into the elbow input pipe and the straight input pipe will turn into water droplets and fall after hitting the wall, thereby avoiding the mist medium being sucked away by the return air pipe in advance, thereby achieving the effect of gas-water separation.

[0012] Preferably, the negative pressure balance pipe extends to the top of the gas collecting box and bends to the side from the elbow, which can avoid being buried in the water level and avoid blockage of the negative pressure exhaust port caused by blockage by water, slag, mud, etc.

[0013] The utility model provides a visual automatic water discharge device for gas collection and slag discharge, which has the following beneficial effects:

[0014] 1. The visual automatic water discharge device for gas collection and slag discharge has the effect of improving the gas-water separation efficiency through the coordinated arrangement of the input pipe and the downward inclined baffle. The inner port of each input pipe is close to the downward inclined baffle so that the gas collides with the downward inclined baffle as soon as it is input into the processor. The collision can change the direction of the airflow and also cause the water vapor to hit the wall and turn into water droplets and fall. Since the gas and liquid have different turning speeds after being blocked and the liquid will adhere to the downward inclined baffle, it can avoid the mist medium being sucked away by the return air pipe in advance due to negative pressure before entering the processing device, thereby improving the gas-water separation effect.

[0015] 2. The visual automatic water discharge device for gas collection and slag discharge has the effect of preventing gas leakage from the drain valve through the coordinated arrangement of the float assembly, the magnetic ring and the positive and negative pressure regulating device. The float assembly is attracted by the magnetic force of the magnetic ring so that it floats up and is directly placed on the top only after the buoyancy it receives reaches a certain limit. When the float assembly floats up, the positive and negative pressure regulating core can be quickly pushed to the top of the positive and negative pressure regulating shell to realize rapid switching of the positive and negative pressure ports. Similarly, when the water level in the water collecting tank drops to a certain level, the float assembly is directly attracted downward by the magnetic ring so that the positive and negative pressure regulating core is directly released to the bottom of the positive and negative pressure regulating shell to realize rapid switching of the positive and negative pressure ports, thereby preventing gas leakage.

[0016] 3. The visual automatic water discharge device for gas collection and slag discharge has the effect of facilitating adjustment of installation height through the coordinated arrangement of the internal threaded casing and the external threaded casing. Since the internal threaded casing at the bottom of the water collecting tank is connected to the external threaded casing fixed on the ground through threads, the height can be changed by rotating the water collecting tank, which is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a three-dimensional view of the utility model;

[0018] Figure 2 This is a structural diagram of a cross-sectional view of the float of the utility model when it is not floating;

[0019] Figure 3 This is a structural diagram of a cross-sectional view of the float of the utility model after floating;

[0020] Figure 4 This is a structural diagram of the positive and negative pressure regulating device of the utility model.

[0021] In the figure: 1. Water collecting box; 2. Internal threaded sleeve; 3. External threaded sleeve; 4. Drain valve; 5. Filter plate; 6. Maintenance port; 7. Optical axis; 8. Float assembly; 801. Hollow float; 802. Collision plate; 803. Iron ring; 9. Magnetic ring; 10. Positive and negative pressure regulating device; 1001. Positive and negative pressure regulating shell; 1002. Positive and negative pressure regulating core; 1003. Positive pressure exhaust port; 1004. Negative pressure exhaust port; 1005. Air pressure balance port; 11. External dust filter; 12. Negative pressure balance pipe; 13. Visual window; 14. Air collecting box; 15. One-way water inlet valve; 16. Downward sloping baffle; 17. Elbow inlet pipe; 18. Straight inlet pipe; 19. Return air pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figures 1 to 4The utility model provides a technical solution: a visual automatic water discharge device for collecting gas and discharging slag, including a water collecting box 1, an internal threaded sleeve 2 is fixedly installed at the bottom of the water collecting box 1, and an external threaded sleeve 3 is connected to the bottom of the internal threaded sleeve 2 through a thread. The internal threaded sleeve 2 is concentric with the water collecting box 1, and the external threaded sleeve 3 is fixed on the ground. Since the internal threaded sleeve 2 and the external threaded sleeve 3 are connected through a thread, the height of the water collecting box 1 can be changed by rotating the water collecting box 1. A drain valve 4 is installed on the side of the water collecting box 1 near the bottom, and a filter plate 5 is fixedly installed inside the water collecting box 1 near the drain valve 4. The filter plate 5 can filter out solid impurities in the liquid. A maintenance port 6 is provided on the side of the water collecting box 1 near the upper surface of the filter plate 5. Impurities on the filter plate 5 can be taken out through the maintenance port 6 to filter out the impurities. An optical axis 7 is fixedly installed above the middle position of the plate 5, and a float assembly 8 that can slide up and down is sleeved on the outer surface of the optical axis 7. The float assembly 8 includes a hollow float 801, and a collision plate 802 is installed in the middle position of the top of the hollow float 801. The collision plate 802 has high hardness and wear resistance. An iron ring 803 is installed at the bottom of the hollow float 801. A magnetic ring 9 is fixedly installed below the middle position of the filter plate 5. A positive and negative pressure regulating device 10 is fixedly installed in the middle position of the top surface of the water collecting tank 1. The positive and negative pressure regulating device 10 includes a positive and negative pressure regulating shell 1001 and a positive and negative pressure regulating core 1002. The side of the positive and negative pressure regulating shell 1001 is provided with a positive pressure exhaust port 1003, a negative pressure exhaust port 1004 and an air pressure balance port 1005. The hollow float The iron ring 801 is fitted with the optical axis 7 in a clearance and will generate an upward buoyancy in the liquid. The magnetic ring 9 attracts the iron ring 803 through magnetic force so that the buoyancy of the float assembly 8 reaches a certain limit before it floats up and is directly placed on the top. That is, after the float assembly 8 gets rid of the magnetic force of the magnetic ring 9, it floats up and can directly push the positive and negative pressure regulating core 1002 to the top of the positive and negative pressure regulating shell 1001. An external dust filter 11 connected to the positive pressure exhaust port 1003 is installed on one side above the water collecting tank 1. The external dust filter 11 is used to filter the gas to prevent foreign matter in the atmosphere from entering the water collecting tank 1. A negative pressure balance pipe 12 connected to the negative pressure exhaust port 1004 is installed on the top of the water collecting tank 1. A visual window 13 is installed in front of the water collecting tank 1. The material of the visual window 13 is a non-toxic material with larger length and width. Color transparent acrylic, due to the large viewing area, the water level inside the water collecting tank 1 can be visually observed, so that technical workers can estimate the water volume and make appropriate adjustments. The viewing window 13 is connected to the water collecting tank 1 through PVC and acrylic hot-melt technology. The top of the water collecting tank 1 is connected to the air collecting box 14 through a flange. The negative pressure balance pipe 12 extends to the top of the air collecting box 14 and bends to the side by an elbow, which can avoid the water level from being buried and the negative pressure exhaust port 1004 from being blocked by water, slag, mud, etc. A one-way water inlet valve 15 connecting the water collecting tank 1 and the air collecting box 14 is installed on the top of the water collecting tank 1. When the positive and negative pressure regulating core 1002 is located below the positive and negative pressure regulating shell 1001, the positive pressure exhaust port 1003 is blocked but the negative pressure exhaust port 1004 is opened to connect the water collecting tank 1 with the air collecting box 14.At this time, the one-way water inlet valve 15 is opened and the liquid inside the air collecting box 14 falls into the water collecting box 1. When the positive and negative pressure regulating core 1002 is located above the positive and negative pressure regulating shell 1001, the negative pressure exhaust port 1004 is blocked but the positive pressure exhaust port 1003 is opened to connect the water collecting box 1 to the atmosphere through the external dust filter 11. At this time, the drain valve 4 is opened to discharge the liquid in the water collecting box 1 and then inhale the filtered air from the external dust filter 11 to keep the internal air pressure balanced. The inner wall of the air collecting box 14 is provided with a downward inclined baffle 16, and the air collecting box 14 is close to the lower An elbow inlet pipe 17 is installed above the inclined baffle 16, and a straight inlet pipe 18 is installed below the air collecting box 14 near the lower inclined baffle 16. A return pipe 19 is installed on the top of the air collecting box 14. The inner end of the elbow inlet pipe 17 points vertically downward and close to the upper surface of the lower inclined baffle 16, while the inner end of the straight inlet pipe 18 is located near the lower surface of the lower inclined baffle 16. This allows the water vapor injected into the elbow inlet pipe 17 and the straight inlet pipe 18 to fall into the wall and turn into water droplets, preventing the mist medium from being sucked away prematurely by the return pipe 19, thereby achieving the effect of gas-water separation.

[0024] When using, the outer threaded sleeve 3 is first fixed vertically on the ground, and then the processor is connected with the outer threaded sleeve 3 through the inner threaded sleeve 2, and since the connection is through threads, the installation height of the water collecting tank 1 can be changed by rotating the water collecting tank 1, which is very convenient, and then the medium pipeline is connected with the input pipe, and the specific connection mode is determined according to the actual situation, which can be threaded connection, can be clamped by a clamp, or can be through a pagoda joint, since the input pipe has four in total, so multiple medium pipelines can be connected at the same time to meet the demand, the medium in the pipeline is conveyed to the gas collecting tank 14 from the input pipe, and in this process, whether the medium is poured into the gas collecting tank 14 from the elbow input pipe 17 or the straight-through input pipe 18, it immediately collides with the outer surface of the lower inclined baffle 16, the collision can change the direction of the airflow and can also make the water vapor collide with the wall to become water droplets and fall down, since the speed of turning after the gas and liquid are blocked and stopped is different, and the liquid will adhere to the lower inclined baffle 16, thereby avoiding that the misty medium is sucked away by the back air pipe 19 in advance before entering the treatment device due to negative pressure, and further, the gas with removed water vapor is discharged from the back air pipe 19, when the water level in the water collecting tank 1 is low and the float assembly 8 is attracted to the bottom by the magnetic ring 9, the positive and negative pressure adjusting core 1002 slides to the bottom of the positive and negative pressure adjusting shell 1001 under the action of its own gravity, at this time, the positive pressure exhaust port 1003 is blocked and the negative pressure exhaust port 1004 is opened, that is, the water collecting tank 1 is connected with the gas collecting tank 14 and the air pressure is the same, when the liquid in the water collecting tank 1 reaches a certain height, the self-gravity can open the one-way water inlet valve 15 to make the liquid collected by the gas collecting tank 14 fall into the water collecting tank 1, at this time, the drain valve 4 is in a closed state, when the water level in the water collecting tank 1 rises to a certain height, the buoyancy generated by the float assembly 8 is greater than the suction force of the magnetic ring 9, so that the float assembly 8 is directly placed on top and separated from the suction force of the magnetic ring 9, when the float assembly 8 floats up, the positive and negative pressure adjusting core 1002 can be quickly lifted to the top of the positive and negative pressure adjusting shell 1001 to realize quick switching of the positive and negative pressure ports, at this time, the positive pressure exhaust port 1003 is opened and the negative pressure exhaust port 1004 is closed, and at the same time, the drain valve 4 is opened and the one-way water inlet valve 15 is closed, so that the water collecting tank 1 is no longer connected with the gas collecting tank 14, thereby avoiding that the gas in the gas collecting tank 14 leaks from the drain valve 4, and similarly, when the water level in the water collecting tank 1 drops to a certain degree, the float assembly 8 is directly sucked downward by the magnetic ring 9, so that the positive and negative pressure adjusting core 1002 is directly released to the bottom of the positive and negative pressure adjusting shell 1001 to realize quick switching of the positive and negative pressure ports, thereby avoiding gas leakage.

[0025] The utility model discloses a double-layer structure, and the water collecting tank is completely disconnected with the upper gas collecting tank when draining water, and the water collecting tank works normally when draining water, thereby achieving the purpose that draining water and extraction work simultaneously, and the ordinary draining device closes extraction negative pressure when draining water, and simultaneously, the gas is returned independently, and when there is only one connecting pipe and no back air pipe, the gas can be returned independently: negative pressure enters the gas collecting tank through the connecting pipe, and then enters the lower water collecting tank through the top negative pressure balance pipe, at this moment, the negative pressure is balanced, thereby achieving the effect of independent back air.

[0026] In summary, the gas collection and slag discharge visual automatic water discharge device places the inner ports of each input pipe close to the downward inclined baffle 16, so that the gas collides with the downward inclined baffle 16 as soon as it is input into the processor. The collision can change the direction of the airflow and can also cause the water vapor to hit the wall and turn into water droplets and fall down. Since the gas and liquid have different turning speeds after being blocked and the liquid will adhere to the downward inclined baffle 16, it avoids the mist medium from being sucked away by the return air pipe in advance due to negative pressure before entering the processing device, thereby improving the gas-water separation effect, and the float assembly 8 is attracted by the magnetic force of the magnetic ring 9 so that the buoyancy it receives reaches a certain limit before it moves upward. It floats up and is directly placed on the top, so that when the float assembly 8 floats up, the positive and negative pressure regulating core 1002 can be quickly pushed to the top of the positive and negative pressure regulating shell 1001 to realize rapid switching of the positive and negative pressure ports. Similarly, when the water level of the water collecting tank 1 drops to a certain level, the float assembly 8 is directly sucked downward by the magnetic ring 9, so that the positive and negative pressure regulating core 1002 is directly released to the bottom of the positive and negative pressure regulating shell 1001 to realize rapid switching of the positive and negative pressure ports, thereby avoiding air leakage. Since the internal threaded sleeve 2 at the bottom of the water collecting tank 1 is connected to the external threaded sleeve fixed to the ground through a thread, the height can be changed by rotating the water collecting tank 1, which is very convenient.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A visual automatic water discharge device for gas collection and slag discharge, comprising a water collection tank (1), characterized in that: An internal threaded sleeve (2) is fixedly installed at the bottom of the water collecting box (1), and an external threaded sleeve (3) is connected to the bottom of the internal threaded sleeve (2) through a thread. A drain valve (4) is installed on the side of the water collecting box (1) close to the bottom surface. A filter plate (5) is fixedly installed inside the water collecting box (1) close to the drain valve (4). A maintenance port (6) is provided on the side of the water collecting box (1) close to the upper surface of the filter plate (5). An optical axis (7) is fixedly installed above the middle position of the filter plate (5). The outer surface of the optical axis (7) is fixedly installed. A float assembly (8) that can slide up and down is sleeved, the float assembly (8) includes a hollow float (801), a collision plate (802) is installed in the middle position of the top of the hollow float (801), an iron ring (803) is installed at the bottom of the hollow float (801), a magnetic ring (9) is fixedly installed below the middle position of the filter plate (5), and a positive and negative pressure regulating device (10) is fixedly installed in the middle position of the top surface of the water collecting tank (1), and the positive and negative pressure regulating device (10) includes a positive and negative pressure regulating shell (1001) and The positive and negative pressure regulating core (1002) and the positive and negative pressure regulating shell (1001) are provided with a positive pressure exhaust port (1003), a negative pressure exhaust port (1004) and an air pressure balance port (1005) on the side thereof. An external dust filter (11) connected to the positive pressure exhaust port (1003) is installed on one side above the water collecting tank (1). A negative pressure balance pipe (12) connected to the negative pressure exhaust port (1004) is installed on the top of the water collecting tank (1). A visual window (13) is installed in front of the water collecting tank (1). The top of the water collecting box (1) is connected to the air collecting box (14) through a flange, the top of the water collecting box (1) is provided with a one-way water inlet valve (15) for connecting the water collecting box (1) and the air collecting box (14), the inner wall of the air collecting box (14) is provided with a downward inclined baffle (16), an elbow input pipe (17) is installed above the air collecting box (14) near the downward inclined baffle (16), a straight input pipe (18) is installed below the air collecting box (14) near the downward inclined baffle (16), and a return air pipe (19) is installed on the top of the air collecting box (14).

2. The visual automatic water discharge device for gas collection and slag discharge according to claim 1 is characterized by: The internal threaded sleeve (2) is concentric with the water collecting box (1), and the external threaded sleeve (3) is fixed on the ground. Since the internal threaded sleeve (2) and the external threaded sleeve (3) are connected by threads, the height of the water collecting box (1) can be changed by rotating the water collecting box (1).

3. The visual automatic water discharge device for gas collection and slag discharge according to claim 1 is characterized in that: The material of the viewing window (13) is colorless transparent acrylic with different lengths and widths. Due to the large viewing area, the water level inside the water collecting tank (1) can be directly viewed, so that technical workers can estimate the water volume and make appropriate adjustments. The viewing window (13) is connected to the water collecting tank (1) through PVC and acrylic hot-melt technology.

4. The visual automatic water discharge device for gas collection and slag discharge according to claim 1 is characterized in that: The hollow float (801) is fitted with the optical axis (7) in a clearance and generates an upward buoyancy in the liquid. The magnetic ring (9) attracts the iron ring (803) through magnetic force, so that the float assembly (8) floats up and directly tops after the buoyancy reaches a certain limit. That is, the float assembly (8) floats up after getting rid of the magnetic force of the magnetic ring (9) and can directly push the positive and negative pressure regulating core (1002) to the top of the positive and negative pressure regulating shell (1001).

5. The visual automatic water discharge device for gas collection and slag discharge according to claim 1 is characterized in that: When the positive and negative pressure regulating core (1002) is located below the positive and negative pressure regulating shell (1001), the positive pressure exhaust port (1003) is blocked but the negative pressure exhaust port (1004) is opened to connect the water collecting tank (1) with the air collecting tank (14). At this time, the one-way water inlet valve (15) is opened and the liquid inside the air collecting tank (14) falls into the water collecting tank (1). When the positive and negative pressure regulating core (1002) is located above the positive and negative pressure regulating shell (1001), the negative pressure exhaust port (1004) is blocked but the positive pressure exhaust port (1003) is opened to connect the water collecting tank (1) to the atmosphere through the external dust filter (11). At this time, the drain valve (4) is opened to discharge the liquid in the water collecting tank (1) and then inhale the filtered air from the external dust filter (11) to keep the internal air pressure balanced.

6. The visual automatic water discharge device for gas collection and slag discharge according to claim 1 is characterized by: The inner end of the elbow input pipe (17) is vertically downward and close to the upper surface of the lower oblique baffle (16), and the inner end of the straight input pipe (18) is located close to the lower surface of the lower oblique baffle (16). The water vapor injected into the elbow input pipe (17) and the straight input pipe (18) can be turned into water droplets and fall after hitting the wall, thereby preventing the mist medium from being sucked away by the return air pipe (19) in advance, thereby achieving the effect of gas-water separation.

7. The visual automatic water discharge device for gas collection and slag removal according to claim 1 is characterized by: The negative pressure balance pipe (12) extends to the top of the air collecting box (14) and bends to the side from the elbow, thereby preventing the water level from being submerged and preventing the negative pressure exhaust port (1004) from being blocked by water, slag, or mud.

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