A zero-leakage sealed exhaust valve

Abstract

The present invention discloses a zero-leakage sealed exhaust valve, which relates to the field of valve technology, comprising a valve body; an exhaust structure with an exhaust function is fixedly provided on the top of the valve body; a diversion structure and a vortex finder are provided, and the state of the fluid flowing through is detected by light sensing between a laser diode and a phototransistor, and the vortex finder drives a hollow ball to rotate to cooperate with a light-transmitting tube and a guide shell to break the laminar flow state of the fluid from bottom to top, thereby reducing the resistance of bubbles in the liquid to float up; at the same time, the hollow ball squeezes the guide rod so that the air permeability of the air permeable membrane can effectively block the liquid while allowing the gas to flow through, and then the exhaust structure can reduce or even eliminate the vortex phenomenon of the incoming fluid caused by the rotation of the vortex finder, and the noise generated by the high-speed flow of gas through the valve during operation is reduced by the silencer gasket.

Description

Technical Field

[0001] The present invention relates to the technical field of valves, in particular to a zero-leakage sealed exhaust valve. Background Art

[0002] In industrial equipment, piping systems, and pressure vessels, exhaust valves are key components to ensure the normal operation and safety of the system. Their main function is to exhaust gas from the system to prevent gas accumulation from causing pressure increases or affecting system performance.

[0003] At present, the existing exhaust valves are mostly used in a passive adjustment mode during use, that is, exhaust is carried out in a normally open manner, the flow cross-sectional area remains constant, the exhaust efficiency is relatively fixed, and when the external pressure is relatively fixed, exhaust can only rely on the pressure difference between the high pressure of the conveying fluid and the external gas to exhaust, and the exhaust rate is not high. Summary of the Invention

[0004] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a zero-leakage sealed exhaust valve.

[0005] The present invention is achieved by constructing a zero-leakage sealed exhaust valve, which includes a valve body; an exhaust structure for exhausting is fixedly installed on the top of the valve body; a relay pipe is threadedly installed on the bottom of the valve body; a diversion structure is threadedly installed on the bottom of the relay pipe; a blocking assembly is fixedly installed on the top side of the valve body; a hollow ball is slidably installed inside the valve body; the bottom of the hollow ball contacts the top of the vortex finder; the vortex finder is fixedly installed inside the relay pipe; an O-ring for sealing is provided at the connection between the upper and lower shells of the valve body and the blocking assembly;

[0006] An outer outlet tube is fixedly installed on the top of the valve body; pipe openings are arranged on the left and right shells of the outer outlet tube; an inner outlet tube is fixedly installed on the top side of the inner outlet tube; a silencer gasket with a silencer effect is adhered to the inner tube wall of the inner outlet tube; a flow-disturbing structure with a flow-disturbing effect is adhered to the inside of the silencer gasket, and the flow-disturbing structure is specifically composed of a silica composite material.

[0007] Preferably, a diversion tube is threadedly connected to the inner thread groove at the bottom of the relay tube; the top of the diversion tube is a trumpet-shaped structure with an opening downward, and a light-transmitting tube is fixedly installed on the side of the top of the diversion tube; a light-shielding shell is fixedly installed around the outside of the light-transmitting tube.

[0008] Preferably, a laser diode and a phototransistor are fixedly mounted on the front and rear sides of the light-shielding housing by means of bolts, and the laser diode and the phototransistor are on the same horizontal line.

[0009] Preferably, the blocking assembly includes a fixed disk fixedly mounted on the inner wall of the valve body; a rotating disk is slidably provided in the arc groove at the bottom of the fixed disk; both the fixed disk and the rotating disk have a four-leaf opening structure, and a breathable membrane is fixedly mounted at the blocking position of the rotating disk.

[0010] Preferably, a spherical diverter is fixedly installed on the bottom of the fixed plate by bolts, and a protrusion is provided inside the spherical diverter, and the protrusion inside the spherical diverter is slidably connected to the arc groove on the side of the guide rod; the bottom of the guide rod is in contact with the hollow ball.

[0011] Preferably, a guide shell with a guide function is fixed inside the relay tube by bolts, and the side opening of the relay tube is plugged and fixed to the transparent tube; a conical guide port is opened on the guide shell; an arc ring is rotatably installed at the circular hole inside the guide shell; a vortex fan is fixed at the bottom of the arc ring by bolts.

[0012] Preferably, a heat-conducting ring is fixedly mounted on the outer side of the hollow sphere by gluing; a filler is fixedly mounted on the inner side wall of the heat-conducting ring by bolts, and the filler is composed of a honeycomb-shaped heat-conducting material.

[0013] Preferably, the heat-conducting ring and the filler are both made of lightweight materials; an electric heating sleeve is fixedly provided on the middle side of the interior of the valve body, and an electric heating wire is provided inside the electric heating sleeve.

[0014] Preferably, a filter is provided on the inner side of the sealing ring at the threaded connection between the bottom of the valve body and the diversion structure, and the surface of the filter is coated with a hydrophobic material.

[0015] A method for using a zero-leakage sealed exhaust valve comprises the following steps:

[0016] Step 1: Diversion detection: The fluid flows into the valve body through the diversion pipe. Most of the fluid flows into the valve body through the vortex finder. Due to the tapered guide port set on the guide shell, the fluid on the outside can easily enter the inside. Here, due to the trumpet-shaped opening of the diversion pipe, the flow channel on the top side of the diversion pipe is narrowed, causing the fluid flow rate to slow down and the pressure to increase. A small part of the fluid is affected by the pressure and enters the transparent tube. Here, the light sensor between the laser diode and the phototransistor is used to detect the state of the flowing fluid;

[0017] Step 2: turbulence; when the fluid enters the guide shell through the light-transmitting tube, the fluid here pushes the vortex fan and the arc ring to make a circular motion inside the valve body. The hollow ball here is affected by the arc ring and moves in a circular motion. The fluid outside the guide shell enters its inner side through the tapered guide port. The fluid flowing in here disturbs the airflow inside the guide shell, breaking the laminar flow state of the fluid from bottom to top and reducing the upward resistance of bubbles in the liquid.

[0018] Step 3: Reduce the floating resistance. During the rotation of the hollow ball, the heat-conducting ring and filler on the outside rotate with it. Here, the heat-conducting ring and filler cooperate with the airflow outside the guide shell to form a vortex to reduce the laminar flow phenomenon. At the same time, the heating effect of the electric heating sleeve reduces the viscosity of the water and reduces the resistance of the bubbles to float.

[0019] Step 4: Block the fluid; when a certain amount of liquid flows in, the hollow ball is displaced upward by buoyancy and squeezes the guide rod. The guide rod slides with the arc groove inside the spherical diverter to drive the rotating disk to rotate at the bottom of the fixed disk, thereby rotating the breathable membrane on the rotating disk and sealing the opening of the fixed disk. The breathable effect of the breathable membrane can effectively block the liquid while allowing the gas to flow through. Then the gas enters the spoiler structure and flows out through the arranged pipe orifices. The spoiler structure here can reduce or even eliminate the vortex phenomenon caused by the rotation of the vortex finder of the incoming fluid, and reduce the noise generated by the high-speed flow of gas during the operation of the valve through the silencer gasket.

[0020] The present invention has the following advantages: The present invention provides a zero-leakage sealed exhaust valve through improvement, which has the following improvements compared with similar devices:

[0021] The zero-leakage sealed exhaust valve described in the present invention is equipped with a diversion structure and a vortex finder, and uses light sensing between a laser diode and a phototransistor to detect the state of the fluid flowing through. The vortex finder drives the hollow ball to rotate to cooperate with the transparent tube and the guide shell to break the laminar flow state of the fluid from bottom to top, thereby reducing the resistance of bubbles in the liquid to float upward. At the same time, the hollow ball squeezes the guide rod so that the breathable effect of the breathable membrane can effectively block the liquid while allowing gas to flow through. The exhaust structure can reduce or even eliminate the vortex phenomenon of the incoming fluid caused by the rotation of the vortex finder, and the silencer gasket can reduce the noise generated by the high-speed flow of gas through the valve during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of the present invention;

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the valve body of the present invention;

[0024] Figure 3 It is a schematic cross-sectional view of the exhaust structure of the present invention;

[0025] Figure 4 This is a schematic diagram of the explosion structure of the plugging assembly of the present invention;

[0026] Figure 5 This is a schematic diagram of the exploded structure of the diversion structure of the present invention;

[0027] Figure 6 It is a schematic diagram of the cross-sectional structure of the vortex finder of the present invention;

[0028] Figure 7 It is a schematic diagram of the explosion structure of the heat-conducting ring, filler and electric heating sleeve of the present invention.

[0029] The components include: valve body 1, exhaust structure 2, relay pipe 3, diverter structure 4, plugging assembly 5, hollow ball 6, vortex finder 7, outlet outer pipe 21, arrangement pipe opening 22, outlet inner pipe 23, silencer gasket 24, flow-turbine structure 25, diverter pipe 41, light-transmitting pipe 42, light-shielding housing 43, laser diode 44, phototransistor 45, fixed disk 51, rotating disk 52, breathable membrane 53, spherical diverter head 54, guide rod 55, thermal conductive ring 61, filler 62, electric heating sleeve 63, guide shell 71, vortex fan 72, and arc ring 73. DETAILED DESCRIPTION

[0030] The following is combined with Figures 1 to 7 The principles and features of the present invention are described, and the examples given are only for the purpose of explaining the present invention and are not intended to limit the scope of the present invention. The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. It should be noted that the drawings are all in a very simplified form and are not to exact scale, and are only used for the purpose of conveniently and clearly assisting in illustrating the embodiments of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified or limited, the terms "installed," "connected," "connected," and "set" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium, or they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances. The following describes an embodiment of the present invention based on its overall structure. Example 1:

[0033] See also Figures 1 to 7The present invention provides a zero-leakage sealed exhaust valve, comprising a valve body 1; an exhaust structure 2 for exhaust function is fixedly installed on the top of the valve body 1; a relay pipe 3 is threadedly installed on the bottom of the valve body 1; a diversion structure 4 is threadedly installed on the bottom of the relay pipe 3; a blocking component 5 is fixedly installed on the top side of the valve body 1; a hollow ball 6 is slidingly arranged inside the valve body 1; the bottom of the hollow ball 6 is in contact with the top of the vortex finder 7; the vortex finder 7 is fixedly arranged inside the relay pipe 3; an O-ring for sealing is provided at the connection between the upper and lower shells of the valve body 1 and the blocking component 5.

[0034] An outlet outer tube 21 is fixedly installed on the top of the valve body 1; arrangement pipe openings 22 are provided on the left and right side shells of the outlet outer tube 21; an outlet inner tube 23 is fixedly installed on the top side of the inner side of the outlet outer tube 21; a silencer gasket 24 with a silencer effect is adhered to the inner tube wall of the outlet inner tube 23; a flow-disturbing structure 25 with a flow-disturbing effect is adhered to the inside of the silencer gasket 24, and the flow-disturbing structure 25 is specifically composed of a silica composite material.

[0035] A shunt tube 41 is provided in a threaded connection within the screw groove at the bottom of the relay tube 3; the top of the shunt tube 41 is a trumpet-shaped structure with its opening downward, and a light-transmitting tube 42 is fixedly installed on the top side of the shunt tube 41; a light-shielding shell 43 is fixedly installed around the outside of the light-transmitting tube 42; a laser diode 44 and a phototransistor 45 are fixedly installed on the front and back sides of the light-shielding shell 43 by bolts, and the laser diode 44 and the phototransistor 45 are on the same horizontal line.

[0036] The sealing assembly 5 includes a fixed disk 51 fixedly mounted on the inner wall of the valve body 1; a rotating disk 52 is slidingly provided in the arc groove at the bottom of the fixed disk 51; the fixed disk 51 and the rotating disk 52 both have a four-leaf opening structure, and a breathable membrane 53 is fixedly installed at the blocking position of the rotating disk 52; a spherical diverter 54 is fixedly mounted on the bottom of the fixed disk 51 by bolts, and a protrusion is provided inside the spherical diverter 54, and the protrusion inside the spherical diverter 54 is slidably connected to the arc groove on the side of the guide rod 55; the bottom of the guide rod 55 is in contact with the hollow ball 6.

[0037] A guide shell 71 with a diversion function is fixed inside the relay tube 3 by bolts, and the side opening of the relay tube 3 is plugged and fixed to the transparent tube 42; a conical guide port is opened on the guide shell 71; an arc ring 73 is rotatably installed at the circular hole inside the guide shell 71; a vortex fan 72 is fixed to the bottom of the arc ring 73 by bolts.

[0038] A filter is provided on the inner side of the sealing ring at the threaded connection between the bottom of the valve body 1 and the diversion structure 4, and the surface of the filter is coated with a hydrophobic material. Example 2:

[0039] See also Figures 1 to 7Compared with the first embodiment, the present invention provides a zero-leakage sealed exhaust valve, and this embodiment further includes: a heat-conducting ring 61 is fixedly installed on the outer side of the hollow ball 6 by adhesion; a filler 62 is fixedly installed on the inner wall of the heat-conducting ring 61 by bolts, and the filler 62 is composed of a honeycomb-shaped heat-conducting material; the heat-conducting ring 61 and the filler 62 are both made of lightweight materials; an electric heating sleeve 63 is fixedly installed on the middle side of the valve body 1, and a heating wire is arranged inside the electric heating sleeve 63.

[0040] The working principle of a zero leakage sealing exhaust valve based on the above is:

[0041] First, when using this device, first place the device in the working area, then connect the device to an external power source to provide the power required for the device to work;

[0042] Second, during the process of liquid flowing through the valve body 1, the fluid flows into the interior of the valve body 1 through the diverter pipe 41, and most of the fluid flows into the interior of the valve body 1 through the vortex finder 7. Due to the tapered guide port provided on the guide shell 71, the fluid on the outside can easily enter the inside. Here, due to the trumpet-shaped opening of the diverter pipe 41, the flow channel on the top side of the diverter pipe 41 is narrowed, resulting in a slow flow rate and increased pressure of the fluid at this point. Affected by the pressure, a small portion of the fluid enters the interior of the light-transmitting tube 42. Here, the state of the fluid flowing through is detected by light sensing between the laser diode 44 and the phototransistor 45. Here, the laser diode 44 and the phototransistor 45 can also monitor the flow of liquid in real time during the flow of gas, and can realize intelligent detection of the valve body 1 through signal transmission;

[0043] Third, when the fluid enters the guide housing 71 through the light-transmitting tube 42, the fluid pushes the vortex fan 72 and the arc ring 73 to perform a circular motion inside the valve body 1. The hollow ball 6 is affected by the arc ring 73 and performs a circular motion. The fluid outside the guide housing 71 enters its inner side through the tapered guide port. The fluid flowing in here disturbs the airflow inside the guide housing 71, breaking the laminar flow state of the fluid from bottom to top and reducing the resistance of bubbles in the liquid to float upward. During the rotation of the hollow ball 6, the heat-conducting ring 61 and the filler 62 outside the hollow ball 6 rotate accordingly. The heat-conducting ring 61 and the filler 62 form a vortex with the airflow outside the guide housing 71 to reduce the laminar flow phenomenon. At the same time, the heating effect of the electric heating sleeve 63 reduces the viscosity of the water and reduces the resistance of bubbles to float upward.

[0044] Fourth, when a certain amount of liquid flows in at the same time, the hollow ball 6 is displaced upward by buoyancy and squeezes the guide rod 55. The guide rod 55 slides with the arc groove inside the spherical diverter 54 to drive the rotating disk 52 to rotate at the bottom of the fixed disk 51, thereby rotating the breathable membrane 53 on the rotating disk 52 and sealing the opening of the fixed disk 51. Here, the breathable effect of the breathable membrane 53 can effectively block the liquid while allowing the gas to flow through. Then the gas enters the interior of the spoiler structure 25 and flows out through the arranged pipe orifice 22. Here, the spoiler structure 25 can reduce or even eliminate the vortex phenomenon of the incoming fluid caused by the rotation of the vortex finder 7, and reduce the noise generated by the high-speed flow of gas during the operation of the valve through the silencer gasket 24.

[0045] The present invention provides a zero-leakage sealed exhaust valve through improvement. By setting a diversion structure 4 and a vortex finder 7, the light sensor between the laser diode 44 and the phototransistor 45 is used to detect the state of the fluid flowing through, and the vortex finder 7 drives the hollow ball 6 to rotate to cooperate with the transparent tube 42 and the guide shell 71 to break the laminar flow state of the fluid from bottom to top, thereby reducing the upward resistance of bubbles in the liquid; at the same time, the hollow ball 6 squeezes the guide rod 55 so that the ventilation effect of the breathable membrane 53 can effectively block the liquid while allowing the gas to flow through, and then the exhaust structure 2 can reduce or even eliminate the vortex phenomenon of the incoming fluid caused by the rotation of the vortex finder 7, and the noise generated by the high-speed flow of gas through the valve during operation is reduced by the silencer gasket 24.

[0046] The above shows and describes the basic principles, main features and advantages of the present invention, and the standard parts used in the present invention can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0047] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A zero-leakage sealed exhaust valve, comprising a valve body (1); an exhaust structure (2) for exhaust function is fixedly installed on the top of the valve body (1); a relay pipe (3) is threadedly installed on the bottom of the valve body (1); a diversion structure (4) is threadedly installed on the bottom of the relay pipe (3); a blocking component (5) is fixedly installed on the top side of the valve body (1); a hollow ball (6) is slidably installed inside the valve body (1); the bottom of the hollow ball (6) contacts the top of a vortex finder (7); the vortex finder (7) is fixedly installed inside the relay pipe (3); an O-ring for sealing function is provided at the connection between the upper and lower shells of the valve body (1) and the blocking component (5); Its characteristics are: An outlet outer tube (21) is fixedly installed on the top of the valve body (1); the outlet outer tube (21) is provided with arranged pipe openings (22) on the left and right shells; an outlet inner tube (23) is fixedly installed on the top of the outlet outer tube (21); a silencer gasket (24) having a silencer function is adhered to the inner tube wall of the outlet inner tube (23); a flow-disturbing structure (25) having a flow-disturbing function is adhered to the inner side of the silencer gasket (24), and the flow-disturbing structure (25) is specifically composed of a silicon dioxide composite material; A flow guide shell (71) having a flow guide function is fixedly installed inside the relay tube (3) by bolts, and the side opening of the relay tube (3) is plugged and fixed to the light-transmitting tube (42); a conical guide opening is opened on the flow guide shell (71); an arc ring (73) is rotatably installed at the circular hole inside the flow guide shell (71); a vortex fan (72) is fixedly installed at the bottom of the arc ring (73) by bolts; A heat-conducting ring (61) is fixedly mounted on the outer side of the hollow ball (6) by gluing; a filler (62) is fixedly mounted on the inner wall of the heat-conducting ring (61) by bolts, and the filler (62) is composed of a honeycomb-shaped heat-conducting material; an electric heating sleeve (63) is fixedly mounted on the middle side of the interior of the valve body (1), and a heating wire is arranged inside the electric heating sleeve (63).

2. A zero-leakage sealed exhaust valve according to claim 1, characterized in that: A diversion pipe (41) is provided in a threaded connection in the screw groove at the bottom of the relay pipe (3); the top of the diversion pipe (41) is a trumpet-shaped structure with an opening downward, and a light-transmitting pipe (42) is fixedly installed on the side of the top of the diversion pipe (41); a light-shielding shell (43) is fixedly installed around the outside of the light-transmitting pipe (42).

3. A zero-leakage sealed exhaust valve according to claim 2, characterized in that: A laser diode (44) and a phototransistor (45) are fixedly mounted on the front and rear sides of the light-shielding housing (43) by means of bolts, and the laser diode (44) and the phototransistor (45) are on the same horizontal line.

4. A zero-leakage sealed exhaust valve according to claim 3, characterized in that: The blocking assembly (5) comprises a fixed disk (51) fixedly mounted on the inner wall of the valve body (1); a rotating disk (52) is slidably arranged in an arc groove at the bottom of the fixed disk (51); both the fixed disk (51) and the rotating disk (52) have a four-leaf opening structure, and a breathable membrane (53) is fixedly mounted at the blocking position of the rotating disk (52).

5. A zero-leakage sealed exhaust valve according to claim 4, characterized in that: A spherical diverter (54) is fixedly mounted on the bottom of the fixed plate (51) by means of bolts, and a protrusion is provided inside the spherical diverter (54). The protrusion inside the spherical diverter (54) is slidably connected to the arc groove on the side of the guide rod (55); the bottom of the guide rod (55) is in contact with the hollow ball (6).

6. A zero-leakage sealed exhaust valve according to claim 5, characterized in that: A filter is provided on the inner side of the sealing ring at the threaded connection between the bottom of the valve body (1) and the diversion structure (4), and the surface of the filter is coated with a hydrophobic material.

7. A method for using a zero-leakage sealed exhaust valve, comprising: implementing the zero-leakage sealed exhaust valve according to claim 6, wherein: The following steps are involved: Step 1, flow diversion detection; the fluid flows into the interior of the valve body (1) through the diverter pipe (41), and most of the fluid flows into the interior of the valve body (1) through the vortex finder (7). Due to the tapered guide port provided on the guide shell (71), the fluid on the outside can easily enter the inside. Here, due to the trumpet-shaped opening of the diverter pipe (41), the top side flow channel of the diverter pipe (41) is narrowed, resulting in the fluid flow rate slowing down and the pressure increasing here. A small part of the fluid is affected by the pressure and enters the interior of the light-transmitting tube (42). Here, the state of the fluid flowing through is detected by light sensing between the laser diode (44) and the phototransistor (45); Step 2, flow disturbance; when the fluid enters the interior of the guide shell (71) through the transparent tube (42), the fluid here pushes the vortex fan (72) and the arc ring (73) to make a circular motion inside the valve body (1), and the hollow ball (6) is affected by the arc ring (73) and makes a circular motion. The fluid outside the guide shell (71) enters the inside of the guide shell through the tapered guide port. The fluid flowing in here disturbs the airflow inside the guide shell (71), breaking the laminar flow state of the fluid from bottom to top and reducing the upward resistance of bubbles in the liquid; Step 3: Reduce the floating resistance; during the rotation of the hollow ball (6), the heat-conducting ring (61) and the filler (62) on the outside thereof rotate accordingly. Here, the heat-conducting ring (61) and the filler (62) cooperate with the airflow outside the guide shell (71) to form a vortex to reduce the laminar flow phenomenon. At the same time, the heating effect of the electric heating sleeve (63) is used to reduce the viscosity of the water and reduce the resistance of the bubbles to float. Step 4: blocking the fluid; when a certain amount of liquid flows in, the hollow ball (6) is displaced upward by buoyancy and squeezes the guide rod (55), and the guide rod (55) slides with the arc groove inside the spherical diverter (54) to drive the rotating disk (52) to rotate at the bottom of the fixed disk (51), thereby rotating the breathable membrane (53) on the rotating disk (52) and blocking the opening of the fixed disk (51). Here, the breathable effect of the breathable membrane (53) can effectively block the liquid while allowing the gas to flow through. Then the gas enters the inside of the spoiler structure (25) and flows out through the arranged pipe mouth (22). Here, the spoiler structure (25) can reduce or even eliminate the vortex phenomenon generated by the rotation of the vortex finder (7) of the incoming fluid, and reduce the noise generated by the high-speed flow of gas during the operation of the valve through the silencer gasket (24).

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