Anti-corrosion high-pressure exhaust valve
By designing a dilution tank and stirring rod structure in the high-pressure exhaust valve to dilute corrosive molecules, the problem of spring corrosion caused by corrosive molecules is solved, extending the service life of the high-pressure exhaust valve and improving its practicality and sealing performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-04-10
AI Technical Summary
In chemical production, existing high-pressure exhaust valves are corroded and damaged due to contact between corrosive molecules and components such as springs, resulting in a reduced service life.
A corrosion-resistant high-pressure exhaust valve was designed. Corrosive molecules are diluted in a dilution tank, absorbed by water, and thoroughly mixed with water by stirring with a stirring rod. This prevents corrosive molecules from contacting structures such as springs. Combined with an adjustable compression spring and a sealing structure, it prevents corrosive molecules from entering.
It effectively prevents corrosive molecules from coming into contact with structures such as springs, extends the service life of high-pressure exhaust valves, improves practicality by adjusting exhaust pressure, prevents impurities from entering, and enhances sealing performance.
Smart Images

Figure CN224107729U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high pressure exhaust valve technical field more specifically, it relates to a kind of anticorrosive high pressure exhaust valve. BACKGROUND
[0002] The working principle of high pressure exhaust valve is based on pressure difference and the movement of valve core. When the gas pressure exceeds the set value, the valve core of exhaust valve will be pushed upward by pressure to open, so that the gas can be discharged. When the gas pressure is reduced below the set value, the valve core will be automatically closed under the action of spring, preventing the backflow of gas.
[0003] Some high pressure exhaust valves are installed on high pressure production equipment. When the gas pressure inside the high pressure production equipment is high, the high pressure exhaust valve will open to discharge part of the gas, keeping the internal pressure of the high pressure production equipment within a suitable range. If the high pressure exhaust valve is installed on high pressure equipment in chemical production, corrosive molecules will enter the interior of the high pressure exhaust valve body along with the gas flow. Since the interior of the high pressure exhaust valve contains spring and other parts, the corrosive molecules will come into contact with the spring and other parts, which will cause the spring and other parts to corrode and be damaged, thereby reducing the service life of the high pressure exhaust valve. SUMMARY
[0004] (I) Technical problem solved
[0005] To solve the problems in the prior art, the utility model provides an anticorrosive high pressure exhaust valve to solve the technical problem that corrosive molecules come into contact with the spring and other parts, which will cause the spring and other parts to corrode and be damaged, thereby reducing the service life of the high pressure exhaust valve.
[0006] (II) Technical scheme
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anticorrosive high pressure exhaust valve, comprising a dilution barrel, a sealing cover is installed at the top end of the dilution barrel, a water adding pipe is connected to the sealing cover, a sealing cap is threadedly connected to the water adding pipe, an air pipe is fixedly connected to the dilution barrel, one end of the air pipe extends below the dilution barrel, the end of the air pipe inside the dilution barrel forms an inverted U-shaped structure, an exhaust pipe is communicated with the upper side of the side end of the dilution barrel, a circular plate is installed at the side end of the exhaust pipe, a screw rod is threadedly connected to the circular plate, a circular seat is rotatably connected to the side end of the screw rod, the circular seat is in sliding fit with the exhaust pipe, a piston is sealingly and slidably arranged in the interior of the exhaust pipe, a fixed ring cooperating with the piston is fixedly connected to the interior of the exhaust pipe, a compression spring is arranged between the piston and the circular plate, a gas outlet pipe is communicated with the position corresponding to the piston at the top end of the exhaust pipe, which is convenient for diluting and absorbing the corrosive molecules in the discharged gas, avoids the contact between the corrosive molecules in the gas and the compression spring and other structures, avoids the corrosion and damage of the compression spring and other structures, and ensures the service life.
[0008] The utility model further provides for, the exhaust pipe is communicated with round box, the inside rear side of exhaust pipe and round box is communicated, the sealing cover and round box are rotatably connected with the shaft, the outside bottom side of the shaft is fixedly connected with a plurality of stirring rods, the outside wall of the shaft extension to the inside part of round box is uniformly fixedly connected with a plurality of fan blade, it is convenient to the water in the inside of dilution bucket is stirred, it is convenient to make the corrosive molecule in gas and water fully mix.
[0009] The utility model further provides for, the side end of screw rod is fixedly connected with the handle, it is convenient to rotate screw rod.
[0010] The utility model further provides for, the length of piston is greater than the diameter of outlet tube, it is convenient for piston to seal outlet tube.
[0011] The utility model further provides for, the outlet tube is fixedly connected with the ring, a plurality of slide rods are slidably arranged on the ring, the top end of a plurality of slide rods is fixedly connected with the baffle that cooperates with the outlet tube, the bottom end of a plurality of slide rods is fixedly connected with the limit board, it is convenient to block the outlet tube, avoid the impurity to fall to the inside of outlet tube.
[0012] The utility model further provides for, the sealing pad is arranged between the sealing cover and dilution bucket, guarantees the sealing property between sealing cover and dilution bucket.
[0013] The utility model further provides for, the side end bottom side of dilution bucket is communicated with drain pipe, the valve is installed on drain pipe, it is convenient to discharge the liquid in the inside of dilution bucket.
[0014] The utility model further provides for, the outside bottom side of dilution bucket is fixedly connected with the flange, it is convenient to install dilution bucket.
[0015] (Three) beneficial effects
[0016] Compared with the prior art, the utility model provides a kind of anticorrosive high-pressure exhaust valve, with following
[0017] Beneficial effects:
[0018] 1, the pressure in production equipment reaches certain value, will drive compression spring compression, and make piston move, gas is discharged from the gap between piston and outlet tube, and the gas in production equipment is entered into the inside of water in dilution bucket by breather pipe, and the corrosive molecule in gas is contacted and mixed with water, and the corrosive molecule in gas is diluted and absorbed by water, to avoid that corrosive molecule in gas enters into the inside of exhaust pipe, to avoid that corrosive molecule in gas contacts with compression spring and other structures, to avoid that compression spring and other structures are corroded and damaged, guarantee its service life.
[0019] 2、When high pressure gas flows through the exhaust pipe and the inside of the round box, the high pressure gas pushes the multiple fan blades inside the round box to rotate, the multiple fan blades drive the rotating shaft multiple stirring rods to rotate, the multiple stirring rods stir the water inside the dilution barrel, so that the water and the corrosive molecules inside the gas are fully mixed, and the corrosive molecules in the gas are fully diluted and absorbed.
[0020] 3、By rotating the screw rod, the screw rod moves relative to the circular plate, the screw rod drives the circular seat to move, the distance between the circular seat and the piston is adjusted, so that the compression degree of the compression spring is adjusted, the pressure of the exhaust is adjusted, and the practicality of use is improved.
[0021] 4、By arranging the baffle, the circular ring, the multiple sliding rods and the multiple limiting plates, when exhaust is not performed, under the action of gravity, the baffle, the multiple sliding rods and the limiting plates move downwards, so that the baffle contacts the top end of the air outlet pipe, the top end of the air outlet pipe is blocked by the baffle, and external impurities are prevented from entering the inside of the air outlet pipe. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a front structure schematic view of a kind of anticorrosive high pressure exhaust valve in the utility model;
[0023] Figure 2 It is a partial section structure schematic view of a kind of anticorrosive high pressure exhaust valve in the utility model;
[0024] Figure 3 It is a structure schematic view of the connection of rotating shaft, sealing cover, multiple stirring rods and multiple fan blades in the utility model;
[0025] Figure 4 It is a structure schematic view of the cooperation of exhaust pipe, fixed ring, piston, air outlet pipe, circular plate, circular seat, compression spring and screw rod in the utility model;
[0026] Figure 5 It is a structure schematic view of the cooperation of air outlet pipe, circular ring, multiple sliding rods, baffle and multiple limiting plates in the utility model.
[0027] In the drawing: 1, dilution barrel;2, sealing cover;3, water inlet pipe;4, sealing cap;5, air pipe;6, exhaust pipe;7, circular plate;8, screw rod;9, circular seat;10, piston;11, fixed ring;12, compression spring;13, air outlet pipe;14, round box;15, rotating shaft;16, stirring rod;17, fan blade;18, handle;19, circular ring;20, sliding rod;21, baffle;22, limiting plate;23, sealing pad;24, drain pipe;25, valve;26, flange. DETAILED DESCRIPTION
[0028] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as commonly understood by those skilled in the art to which the present application belongs.
[0030] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer of the contour of each component itself, but the above directional words are not used to limit the present application.
[0031] Please refer to Figures 1-5 An anti-corrosion high-pressure exhaust valve, comprising a dilution bucket 1, a drain pipe 24 is communicated at the bottom side of the side end of the dilution bucket 1, a valve 25 is installed on the drain pipe 24, which is convenient for discharging the liquid in the dilution bucket 1, a flange 26 is fixedly connected to the bottom side of the outside of the dilution bucket 1, which is convenient for installing the dilution bucket 1, a sealing cover 2 is installed at the top end of the dilution bucket 1, a sealing gasket 23 is arranged between the sealing cover 2 and the dilution bucket 1, which ensures the sealing between the sealing cover 2 and the dilution bucket 1, a water adding pipe 3 is connected to the sealing cover 2, a sealing cap 4 is threadedly connected to the water adding pipe 3, a breather pipe 5 is fixedly connected to the dilution bucket 1, one end of the breather pipe 5 extends below the dilution bucket 1, the end of the breather pipe 5 inside the dilution bucket 1 forms an inverted U-shaped structure, an exhaust pipe 6 is communicated at the upper side of the side end of the dilution bucket 1, a circular plate 7 is installed at the side end of the exhaust pipe 6, a screw rod 8 is threadedly connected to the circular plate 7, a handle 18 is fixedly connected to the side end of the screw rod 8, which is convenient for rotating the screw rod 8, a circular seat 9 is rotatably connected to the side end of the screw rod 8, the circular seat 9 is in sliding fit with the exhaust pipe 6, a piston 10 is sealingly and slidably arranged in the exhaust pipe 6, a fixed ring 11 cooperating with the piston 10 is fixedly connected in the exhaust pipe 6, a compression spring 12 is arranged between the piston 10 and the circular plate 7, an air outlet pipe 13 is communicated at the position corresponding to the piston 10 at the top end of the exhaust pipe 6, the length of the piston 10 is greater than the diameter of the air outlet pipe 13, which is convenient for the piston 10 to seal the air outlet pipe 13.
[0032] Specific, by compression spring 12 push the piston 10 movement, the side end of the piston 10 and the side end of the fixed ring 11 are tightly closed, so as to seal the fixed ring 11, because the length of the piston 10 is greater than the diameter of the outlet pipe 13, when the piston 10 seals the fixed ring 11, the piston 10 seals the outlet pipe 13, the piston 10 can avoid the gas contact with the compression spring 12, avoid the compression spring 12 is corroded and damaged, the internal pressure of the production equipment reaches a certain value, the compression spring 12 is compressed, and the piston 10 moves, the gas is discharged from the gap between the piston 10 and the outlet pipe 13, the gas in the production equipment enters the water in the dilution barrel 1, the corrosive molecules in the gas contact with water, the corrosive molecules in the gas are diluted and absorbed by water, the corrosive molecules in the gas are prevented from entering the inside of the exhaust pipe 6, the corrosive molecules in the gas are prevented from contacting the compression spring 12 and other structures, the service life of the compression spring 12 and other structures is ensured, the rotation of the screw rod 8 is adjusted, the screw rod 8 moves relative to the circular plate 7, the screw rod 8 drives the circular seat 9 to move, the distance between the circular seat 9 and the piston 10 is adjusted, so as to adjust the compression degree of the compression spring 12, the pressure of the exhaust is adjusted, and the practicability of the use is improved.
[0033] Please refer to Figure 2 and Figure 3 The exhaust pipe 6 is communicated with the circular box 14, the exhaust pipe 6 is communicated with the inside rear side of the circular box 14, the sealing cover 2 and the circular box 14 are rotatably connected with the rotating shaft 15, the rotating shaft 15 is fixedly connected with a plurality of stirring rods 16 on the outer bottom side, and the rotating shaft 15 is uniformly fixedly connected with a plurality of fan leaves 17 on the outer side wall of the circular box 14.
[0034] Specifically, when the high-pressure gas flows through the exhaust pipe 6 and the circular box 14, the high-pressure gas drives the plurality of fan leaves 17 in the circular box 14 to rotate, the plurality of fan leaves 17 drive the rotating shaft 15 and the plurality of stirring rods 16 to rotate, and the plurality of stirring rods 16 stir the water in the dilution barrel 1, so that the water and the corrosive molecules in the gas are fully mixed, and the corrosive molecules in the gas are fully diluted and absorbed.
[0035] The utility model further provides that the outlet pipe 13 is fixedly connected with a circular ring 19, a plurality of slide rods 20 are slidably arranged on the circular ring 19, the top ends of the plurality of slide rods 20 are fixedly connected with baffles 21 matched with the outlet pipe 13, and the bottom ends of the plurality of slide rods 20 are fixedly connected with limiting plates 22.
[0036] Specifically, when the exhaust is not performed, the baffle 21, the plurality of sliding rods 20 and the limiting plate 22 are moved downward due to the gravity, so that the baffle 21 is in contact with the top end of the air outlet pipe 13, and the top end of the air outlet pipe 13 is blocked by the baffle 21, so as to avoid the impurities outside from entering the inside of the air outlet pipe 13.
[0037] In summary, the overall device has the following advantages when in use:
[0038] When the high-pressure exhaust valve is installed in the production equipment, and the air pressure inside the production equipment is higher than a certain value, the air pressure inside the dilution barrel 1 and the exhaust pipe 6 is also increased. When the air pressure is greater than the elastic force of the compression spring 12, the piston 10 is pushed to move, the high-pressure gas in the production equipment is discharged from the gap between the piston 10 and the air outlet pipe 13 to the inside of the air outlet pipe 13 through the air pipe 5, the dilution barrel 1 and the exhaust pipe 6, and the baffle 21 is lifted, the gas is discharged from the air outlet pipe 13, the corrosive molecules in the production equipment enter the inside of the dilution barrel 1 along with the gas flow, and the high-pressure gas flowing in the circular box 14 drives the plurality of fan blades 17 in the circular box 14 to rotate, and the plurality of stirring rods 16 driven by the plurality of fan blades 17 rotate, so as to stir the water in the dilution barrel 1 through the plurality of stirring rods 16, so that the water and the corrosive molecules in the gas are fully mixed, and the corrosive molecules in the gas are fully diluted and absorbed. In order to ensure the corrosion resistance of the high-pressure exhaust valve, a corrosion-resistant material is coated on the corresponding structure.
[0039] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection methods, which will not be described here. In the above, when the fixed connection is mentioned, welding is preferred, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A corrosion-protected high-pressure exhaust valve comprising a dilution bucket (1), characterized by: The top end of the dilution barrel (1) is provided with a sealing cover (2), a water adding pipe (3) is connected to the sealing cover (2), a sealing cap (4) is threadedly connected to the water adding pipe (3), a vent pipe (5) is fixedly connected to the dilution barrel (1), one end of the vent pipe (5) extends below the dilution barrel (1), the end of the vent pipe (5) inside the dilution barrel (1) forms an inverted U-shaped structure, a side end of the dilution barrel (1) is communicated with an exhaust pipe (6), a circular plate (7) is mounted on the side end of the exhaust pipe (6), a screw rod (8) is threadedly connected to the circular plate (7), a circular seat (9) is rotatably connected to the side end of the screw rod (8), the circular seat (9) is in sliding fit with the exhaust pipe (6), a piston (10) is sealingly and slidably arranged in the exhaust pipe (6), a fixed ring (11) is fixedly connected to the exhaust pipe (6) and matched with the piston (10), a compression spring (12) is arranged between the piston (10) and the circular plate (7), and a gas outlet pipe (13) is communicated with the top end of the exhaust pipe (6) and the position corresponding to the piston (10).
2. The anti-corrosion high pressure exhaust valve according to claim 1, characterized in that: A circular box (14) is communicated with the exhaust pipe (6), the exhaust pipe (6) is communicated with the inside rear side of the circular box (14), a rotating shaft (15) is rotatably connected to the sealing cover (2) and the circular box (14), a plurality of stirring rods (16) are fixedly connected to the outer bottom side of the rotating shaft (15), a plurality of fan blades (17) are uniformly fixedly connected to the outer side wall of the part of the circular box (14) where the rotating shaft (15) extends.
3. The anti-corrosion high pressure exhaust valve according to claim 1, characterized in that: The side end of the screw rod (8) is fixedly connected with a rotating handle (18).
4. The anti-corrosion high pressure exhaust valve according to claim 1, wherein: The length of the piston (10) is greater than the diameter of the gas outlet pipe (13).
5. The erosion resistant high pressure exhaust valve according to claim 1, wherein: A circular ring (19) is fixedly connected to the gas outlet pipe (13), a plurality of slide rods (20) are slidably arranged on the circular ring (19), the top ends of the plurality of slide rods (20) are fixedly connected with a baffle (21) matched with the gas outlet pipe (13), and the bottom ends of the plurality of slide rods (20) are fixedly connected with limiting plates (22).
6. The erosion resistant high pressure exhaust valve according to claim 1, wherein: A sealing gasket (23) is arranged between the sealing cover (2) and the dilution barrel (1).
7. The anti-corrosion high pressure exhaust valve according to claim 1, wherein: A drain pipe (24) is communicated with the side end bottom side of the dilution barrel (1), and a valve (25) is mounted on the drain pipe (24).
8. The erosion resistant high pressure exhaust valve according to claim 1, wherein: A flange (26) is fixedly connected to the outer bottom side of the dilution barrel (1).