CN218521346U - Hydrogen-discharging water-blocking device and ship ballast water treatment system - Google Patents
Hydrogen-discharging water-blocking device and ship ballast water treatment system Download PDFInfo
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- CN218521346U CN218521346U CN202222662751.2U CN202222662751U CN218521346U CN 218521346 U CN218521346 U CN 218521346U CN 202222662751 U CN202222662751 U CN 202222662751U CN 218521346 U CN218521346 U CN 218521346U
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Abstract
The utility model provides a hydrogen-discharging water-blocking device, which comprises a buffer tank and a hydrogen-discharging device arranged on the buffer tank, wherein the hydrogen-discharging device comprises a hollow hydrogen-discharging device shell, a hydrogen-discharging pore plate, a ventilating cover, an anti-overflow plug, a connecting rod and a floating ball; the hydrogen discharge hole plate is provided with hydrogen discharge holes, the ventilation cover can be attached to the upper surface of the hydrogen discharge hole plate and partially covers the hydrogen discharge holes, the ventilation cover can move up and down in the shell of the hydrogen discharge device, and the opening degree of the hydrogen discharge holes can be increased when the ventilation cover moves up; the floating ball is positioned in the buffer tank, one end of the connecting rod is connected with the floating ball, and the other end of the connecting rod penetrates through the hydrogen discharge hole plate and then is connected with the anti-overflow plug; the floater can drive the anti-overflow stopper through the connecting rod and reciprocate, and the anti-overflow stopper can plug up the exhaust hole when upwards moving. The utility model also provides a ship ballast water processing system.
Description
Technical Field
The utility model belongs to the technical field of gas-liquid separation technique and specifically relates to a device and boats and ships ballast water processing system block water of discharging hydrogen.
Background
Electrolytic chlorine production is a method for generating chlorine gas by electrolyzing water containing chlorine ions, and is widely used for electrolyzing seawater and salt water for antifouling treatment of coastal power plants and nuclear power plants and for inactivation of ship ballast water. In the process of producing chlorine by electrolysis, sodium hypochlorite solution is generated, and hydrogen gas is generated as a byproduct.
In carrying out ship ballast water treatment process through branch road electrolysis method, the mixture of sodium hypochlorite solution and hydrogen that the electrolysis cell electrolysis produced can be kept in the buffer tank temporarily, and when sodium hypochlorite solution output was greater than the sodium hypochlorite solution discharge amount in the buffer tank, the liquid level of hypochlorous acid solution can rise at the excessive speed in the buffer tank, and this problem can lead to atmospheric pressure to rise fast in the buffer tank, and the too high extremely easily spills over to the pipeline of discharging hydrogen of solution liquid level in the buffer tank. The measure that present BalClor ballast water processing system took is to increase pneumatic switch valve at the hydrogen discharge export, and the pneumatic valve is normally opened in order to avoid the increase of atmospheric pressure in the buffer tank, detects through the level gauge when the liquid level height in the buffer tank is too high and in time feeds back to control system, and control system control pneumatic switch valve is closed in order to avoid sodium hypochlorite solution to overflow away from the hydrogen discharge export. However, the above method requires a control system to be designed, and has strong dependence on the sensor, which not only results in high cost, but also is inconvenient for maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device that blocks water of discharging hydrogen, not only simple structure, the cost is lower, and stability is strong moreover, and it is convenient to maintain, can improve gas-liquid separation's efficiency simultaneously.
The utility model provides a hydrogen discharging and water blocking device, which comprises a buffer tank and a hydrogen discharging device arranged on the buffer tank, wherein the hydrogen discharging device comprises a hollow hydrogen discharging device shell, a hydrogen discharging hole plate, a ventilating cover, an anti-overflow plug, a connecting rod and a floating ball;
the hydrogen discharging device shell is positioned above the buffer tank, the top of the hydrogen discharging device shell is provided with an exhaust hole, and the bottom end of the hydrogen discharging device shell is communicated with the buffer tank; the ventilation cover and the anti-overflow plug are arranged in the hydrogen discharging device shell, the hydrogen discharging pore plate is arranged in the hydrogen discharging device shell or at the connecting position of the hydrogen discharging device shell and the buffer tank, the ventilation cover is positioned above the hydrogen discharging pore plate, and the anti-overflow plug is positioned above the ventilation cover;
the hydrogen discharge hole plate is provided with hydrogen discharge holes, the ventilating cover can be attached to the upper surface of the hydrogen discharge hole plate and partially covers the hydrogen discharge holes, the ventilating cover can move up and down in the hydrogen discharge device shell, and the opening degree of the hydrogen discharge holes can be increased when the ventilating cover moves upwards;
the floating ball is positioned in the buffer tank, one end of the connecting rod is connected with the floating ball, and the other end of the connecting rod penetrates through the hydrogen discharge hole plate and then is connected with the anti-overflow plug; the floater can pass through the connecting rod drives the anti-overflow stopper reciprocates, the anti-overflow stopper can with when the rebound the exhaust hole is plugged up.
Further, the breathable cover is sleeved on the connecting rod and can move up and down along the connecting rod.
Furthermore, the ventilation cover comprises a cap and a hollow slide rod, the cap is positioned above the hydrogen discharge hole plate and can be attached to the upper surface of the hydrogen discharge hole plate, the cap and the slide rod are sleeved on the connecting rod, the top end of the slide rod is connected with the cap, the bottom end of the slide rod penetrates through the hydrogen discharge hole plate and then extends to the position below the hydrogen discharge hole plate, and a stop cap is fixed at the bottom end of the slide rod.
Further, the hydrogen discharging device shell comprises a shell main body part and an anti-overflow pore plate, the bottom end of the shell main body part is communicated with the buffer tank, the anti-overflow pore plate is arranged at the top of the shell main body part, and the exhaust hole is arranged on the anti-overflow pore plate.
Furthermore, the overflow preventing hole plate comprises a connecting plate and a hollow guide cylinder, the connecting plate is fixed with the top of the main body part of the shell, the guide cylinder is positioned below the connecting plate and extends into the main body part of the shell, the exhaust hole is formed in the connecting plate, and an inner cavity of the guide cylinder is communicated with the exhaust hole; the anti-overflow plug is inserted into the guide cylinder and can move up and down in the guide cylinder.
Furthermore, a hydrogen discharge groove is formed in the side wall of the guide cylinder.
Furthermore, the top of the guide cylinder and the top of the overflow-proof plug are both of circular truncated cone structures with gradually reduced diameters from bottom to top.
Furtherly, the hydrogen discharge water blocking device still includes gas-water separator, gas-water separator is located the buffer tank top, just gas-water separator is located one side of hydrogen discharge device, gas-water separator's bottom with the buffer tank intercommunication.
Further, the ventilation cover can cover half of the area of the hydrogen exhaust hole after being attached to the upper surface of the hydrogen exhaust hole plate.
The utility model also provides a ship ballast water processing system, including above the device that blocks water of arranging hydrogen.
The utility model provides a hydrogen-discharging water-blocking device, through set up the hydrogen-discharging device on the buffer tank, can lead to the atmospheric pressure to rise in the buffer tank when the sodium hypochlorite solution inflow volume is too fast in the buffer tank, the ventilative lid can be because of the upward motion of upper and lower pressure difference under the high pressure effect to increase the aperture of the hydrogen discharge hole on the hydrogen discharge orifice plate, promote hydrogen to spill over, avoided the buffer tank to appear suppressing the hydrogen phenomenon; when sodium hypochlorite solution liquid level was too high in the buffer tank, solution can contact the floater this moment, and the floater floats under the buoyancy, drives and prevents overflow stopper rebound and plugs up the exhaust hole, avoids sodium hypochlorite solution to get into the row of hydrogen pipeline. This row of hydrogen water blocking device can avoid the buffer tank to appear holding the hydrogen phenomenon, can avoid appearing the problem of solution overflow moreover. The hydrogen discharge water blocking device is simple in structure, strong in stability, lower in cost, free of control system and sensor for control, less in limited conditions, convenient to maintain, and capable of effectively improving the hydrogen removal efficiency and the system stability of the ballast water treatment system.
Drawings
Fig. 1 is a schematic perspective view of a hydrogen-discharging water-blocking device in an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of fig. 1.
Fig. 3 is an enlarged schematic view of the structure at the position a in fig. 2.
Fig. 4 is a schematic structural view of a hydrogen discharge orifice plate in an embodiment of the present invention.
Fig. 5 is an axonometric view of an anti-overflow orifice plate in an embodiment of the invention.
Fig. 6 is a schematic structural view of the cylinder in the embodiment of the present invention.
Fig. 7 is a schematic cross-sectional view of the air permeable cover according to an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The terms of orientation of the upper, lower, left, right, front, back, top, bottom, etc. (if any) referred to in the specification and claims of the present invention are defined as the positions of the structures in the drawings and the positions of the structures relative to each other, and are only for the sake of clarity and convenience in describing the technical solutions. It is to be understood that the use of directional terms should not be taken to limit the scope of what is claimed herein.
As shown in fig. 1 to 3, the hydrogen discharging and water blocking device provided by the embodiment of the present invention includes a buffer tank 1 and a hydrogen discharging device 2 disposed on the buffer tank 1, wherein the hydrogen discharging device 2 includes a hollow hydrogen discharging device housing 21, a hydrogen discharging hole plate 22, a vent cover 23, an anti-overflow plug 24, a connecting rod 25 and a floating ball 26;
the hydrogen discharging device shell 21 is positioned above the buffer tank 1, the top of the hydrogen discharging device shell 21 is provided with an exhaust hole 210, and the bottom end of the hydrogen discharging device shell 21 is communicated with the buffer tank 1. The ventilation cover 23 and the anti-overflow plug 24 are both arranged in the hydrogen discharging device housing 21, the hydrogen discharging hole plate 22 is arranged at the connecting position of the hydrogen discharging device housing 21 and the buffer tank 1 (of course, in other embodiments, the hydrogen discharging hole plate 22 can also be arranged in the hydrogen discharging device housing 21), the hydrogen discharging hole plate 22 is fixedly connected with the hydrogen discharging device housing 21 and the buffer tank 1, the ventilation cover 23 is positioned above the hydrogen discharging hole plate 22, and the anti-overflow plug 24 is positioned above the ventilation cover 23;
the hydrogen discharge hole plate 22 is provided with a hydrogen discharge hole 220, and the hydrogen discharge hole plate 22 is used for separating the inner cavity of the hydrogen discharge device shell 21 from the inner cavity of the buffer tank 1, so that the gas in the buffer tank 1 can only enter the hydrogen discharge device shell 21 through the hydrogen discharge hole 220 on the hydrogen discharge hole plate 22. The ventilation cover 23 can be attached to the upper surface of the hydrogen discharge hole plate 22 and partially cover the hydrogen discharge holes 220, the ventilation cover 23 can move up and down in the hydrogen discharge device shell 21, and the opening degree of the hydrogen discharge holes 220 can be increased when the ventilation cover 23 moves up (namely, the ventilation cover 23 is separated from the hydrogen discharge hole plate 22 when moving up and does not cover the hydrogen discharge holes 220 any more);
the floating ball 26 is positioned in the buffer tank 1, one end of the connecting rod 25 is connected with the floating ball 26, and the other end of the connecting rod 25 penetrates through the hydrogen discharge orifice plate 22 and then is connected with the anti-overflow plug 24; the floating ball 26 can drive the overflow prevention plug 24 to move up and down through the connecting rod 25, and the overflow prevention plug 24 can block the exhaust hole 210 when moving upwards.
Specifically, in the embodiment, the hydrogen discharging device 2 is arranged on the buffer tank 1, when the flow rate of sodium hypochlorite solution entering water in the buffer tank 1 is too fast, the air pressure in the buffer tank 1 rises, and the ventilation cover 23 moves upwards due to the difference between the upper pressure and the lower pressure under the action of high pressure, so that the opening degree of the hydrogen discharging holes 220 on the hydrogen discharging hole plate 22 is increased, the overflow of hydrogen is promoted, and the hydrogen blocking phenomenon of the buffer tank 1 is avoided; when sodium hypochlorite solution liquid level was too high in buffer tank 1, solution can contact floater 26 this moment, and floater 26 floats under the buoyancy, drives 24 rebound of anti-overflow stopper and plugs up exhaust hole 210, avoids sodium hypochlorite solution to get into the hydrogen discharging pipeline. This row of hydrogen water blocking device can avoid buffer tank 1 to appear holding the hydrogen phenomenon, can avoid appearing the problem of solution overflow moreover. The hydrogen discharge water blocking device is simple in structure, strong in stability, lower in cost, free of control system and sensor for control, less in limited conditions, convenient to maintain, and capable of effectively improving the hydrogen removal efficiency and the system stability of the ballast water treatment system.
Further, as shown in fig. 4, in the present embodiment, a through hole 221 through which the connection rod 25 passes is provided at a middle position of the hydrogen discharge orifice plate 22. The hydrogen discharge hole 220 is a long circular hole, and the number of hydrogen discharge hole 220 is a plurality of (the number of hydrogen discharge hole 220 is four in this embodiment), and a plurality of hydrogen discharge holes 220 encircle through-hole 221 and set up, and the area size of a plurality of hydrogen discharge holes 220 can satisfy the rated hydrogen discharge volume of buffer tank 1 twice, and the area size of exhaust hole 210 on the hydrogen discharge device casing 21 also can satisfy the rated hydrogen discharge volume of buffer tank 1 twice simultaneously. The vent cover 23 can cover half of the area of the hydrogen discharge hole 220 after being attached to the upper surface of the hydrogen discharge hole plate 22.
Further, as shown in fig. 2 and 3, in the present embodiment, the hydrogen discharge orifice plate 22 is interposed between the hydrogen discharge device housing 21 and the surge tank 1, and the three are fixedly connected by bolts.
Further, as shown in fig. 2 and 3, in the present embodiment, the ventilation cover 23 is sleeved on the connecting rod 25, and the ventilation cover 23 can move up and down along the connecting rod 25, thereby increasing the stability when the ventilation cover 23 moves up and down. Of course, in other embodiments, the air-permeable cover 23 may not be sleeved on the connecting rod 25.
Further, as shown in fig. 3 and 7, in the present embodiment, the ventilation cover 23 includes a cap 231 and a hollow slide rod 232, the cap 231 is located above the hydrogen discharge hole plate 22 and can be fit with the upper surface of the hydrogen discharge hole plate 22, the cap 231 and the slide rod 232 are both sleeved on the connecting rod 25, the top end of the slide rod 232 is connected to the cap 231, and the bottom end of the slide rod 232 extends to below the hydrogen discharge hole plate 22 after passing through the hydrogen discharge hole plate 22; the cap 231 and the slide rod 232 can move up and down together within the hydrogen discharge device housing 21, thereby increasing stability when the ventilation cover 23 moves up and down. A stop cap 233 is further fixed to the bottom end of the sliding rod 232, and the stop cap 233 is used for limiting the up-and-down movement of the sliding rod 232 and preventing the cap 231 from moving upwards excessively (i.e., the cap 231 can only move up and down within a certain range under the action of the sliding rod 232 and the stop cap 233). The stopping cap 233 may be a nut, and the stopping cap 233 is in threaded connection with the sliding rod 232.
Further, as shown in fig. 1 to 3, in the present embodiment, the hydrogen discharge device housing 21 includes a housing main body portion 211 and an overflow preventing hole plate 212, a bottom end of the housing main body portion 211 communicates with the surge tank 1, the overflow preventing hole plate 212 is provided at a top of the housing main body portion 211 (specifically, the overflow preventing hole plate 212 is bolted to the housing main body portion 211), and the discharge holes 210 are provided on the overflow preventing hole plate 212.
Further, as shown in fig. 3 and 6, in the present embodiment, the housing main body portion 211 is formed by stacking and connecting two cylindrical bodies 2111 one on another, and the two cylindrical bodies 2111 are connected to each other by bolts, thereby facilitating assembly. Barrel 2111 is cylindrical in configuration.
Further, as shown in fig. 3 and 5, in the present embodiment, the overflow preventing hole plate 212 includes a coupling plate 2121 and a hollow guide barrel 2122, and the top of the guide barrel 2122 is coupled to the coupling plate 2121. The connecting plate 2121 is fixed to the top of the housing body 211, the guide barrel 2122 is located below the connecting plate 2121 and extends into the housing body 211, the exhaust hole 210 is formed in the connecting plate 2121, and the inner cavity of the guide barrel 2122 communicates with the exhaust hole 210. The anti-overflow plug 24 is inserted into the guide barrel 2122 and can move up and down in the guide barrel 2122.
Further, as shown in fig. 3 and 5, in the present embodiment, the top of the guide barrel 2122 and the top of the anti-overflow plug 24 are each a truncated cone structure with a diameter that is tapered from bottom to top.
Specifically, by providing the guide barrel 2122, the guide barrel 2122 is used for cooperating with the anti-overflow plug 24, the guide barrel 2122 not only can play a guiding role when the anti-overflow plug 24 moves up and down, so that the anti-overflow plug 24 moves more stably, but also the circular truncated cone-shaped structures of the guide barrel 2122 and the anti-overflow plug 24 enable the guide barrel and the anti-overflow plug 24 to cooperate more tightly, so as to prevent the phenomenon of air leakage and liquid leakage caused by poor sealing when the vent hole 210 is blocked by the anti-overflow plug 24.
Further, as shown in fig. 3 and 5, in the present embodiment, a hydrogen discharge groove 2123 is provided on the side wall of the guide tube 2122, and the gas in the housing main body 211 can enter the guide tube 2122 through the hydrogen discharge groove 2123; that is, the hydrogen gas in the buffer tank 1 can sequentially pass through the hydrogen discharge holes 220 of the hydrogen discharge hole plate 22, the inner cavity of the housing body 211, and the hydrogen discharge grooves 2123 of the side wall of the guide tube 2122, enter the guide tube 2122, and be discharged through the gas discharge holes 210.
Further, as shown in fig. 1 and fig. 2, in the present embodiment, the hydrogen discharging water blocking device further includes a gas-water separator 3, the gas-water separator 3 is located above the buffer tank 1, the gas-water separator 3 is located at one side of the hydrogen discharging device 2, and a bottom end of the gas-water separator 3 is communicated with the buffer tank 1. The gas-water separator 3 is provided with an inlet 31 for the mixture of sodium hypochlorite solution and hydrogen to enter.
Further, in this embodiment, an anti-corrosion coating (not shown) is required to be disposed at all positions of the hydrogen discharge water blocking device that may contact the hypochlorous acid solution, so as to prevent corrosion by the acid solution.
Specifically, the work flow of the hydrogen discharge water blocking device is as follows: when the device is used, a mixture of a sodium hypochlorite solution and hydrogen generated by the electrolysis device enters the gas-water separator 3 through the inlet 31 on the gas-water separator 3 for separation, the separated sodium hypochlorite solution is temporarily stored in the buffer tank 1 and discharged, and the separated hydrogen is discharged through the hydrogen discharge device 2. When the amount of sodium hypochlorite solution entering the buffer tank 1 is far greater than the discharge amount of sodium hypochlorite solution in the buffer tank 1, the liquid level of hypochlorous acid solution in the buffer tank 1 rises too fast, so that the air pressure in the buffer tank 1 rises fast, at the moment, the ventilation cover 23 moves upwards under the action of high-pressure gas in the buffer tank 1, so that the opening degree of the hydrogen discharge holes 220 in the hydrogen discharge hole plate 22 is increased, excessive hydrogen enters the guide cylinder 2122 and is discharged through the exhaust holes 210 after sequentially passing through the hydrogen discharge holes 220 in the hydrogen discharge hole plate 22, the inner cavity of the shell main body part 211 and the hydrogen discharge groove 2123 in the side wall of the guide cylinder 2122, the overflow of hydrogen is promoted, and the phenomenon of hydrogen hold-up of the buffer tank 1 is avoided; when the air pressure in the buffer tank 1 is reduced to be below the standard value, the ventilation cover 23 resets under the action of self gravity. When the liquid level of the sodium hypochlorite solution in the buffer tank 1 is too high (when the liquid level reaches the upper limit), the floating ball 26 floats upwards under the buoyancy action of the solution to drive the anti-overflow plug 24 to move upwards and block the exhaust hole 210, so that the sodium hypochlorite solution is prevented from entering a hydrogen exhaust pipeline; when the liquid level of the sodium hypochlorite solution in the buffer tank 1 is reduced to be below a standard value, the floating ball 26 resets under the action of self gravity and opens the exhaust hole 210, and then normal hydrogen discharge work can be carried out. Through above design, can realize the row's of buffer tank 1 hydrogen anti-overflow flows the function, can enough avoid buffer tank 1 to appear holding back the hydrogen phenomenon, can avoid appearing the problem of solution overflow again.
The embodiment of the utility model provides a still provide a ship ballast water processing system, include above the device that blocks water of hydrofuge.
According to the hydrogen discharging and water blocking device provided by the embodiment, the hydrogen discharging device 2 is arranged on the buffer tank 1, when the water inflow rate of sodium hypochlorite solution in the buffer tank 1 is too high, the air pressure in the buffer tank 1 is increased, and the ventilation cover 23 moves upwards due to the pressure difference between the upper part and the lower part under the action of high pressure, so that the opening degree of the hydrogen discharging holes 220 on the hydrogen discharging hole plate 22 is increased, the overflow of hydrogen is promoted, and the hydrogen blocking phenomenon of the buffer tank 1 is avoided; when sodium hypochlorite solution liquid level was too high in buffer tank 1, solution can contact floater 26 this moment, and floater 26 floats under the buoyancy, drives anti-overflow stopper 24 rebound and plugs up exhaust hole 210, avoids sodium hypochlorite solution to get into the hydrogen-discharging pipeline. This row of hydrogen device that blocks water can avoid buffer tank 1 to appear holding back the hydrogen phenomenon, can avoid appearing the problem of solution overflow moreover. The hydrogen discharge water blocking device is simple in structure, strong in stability, lower in cost, free of control system and sensor for control, less in limited conditions, convenient to maintain, and capable of effectively improving the hydrogen removal efficiency and the system stability of the ballast water treatment system.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The hydrogen discharging and water blocking device is characterized by comprising a buffer tank (1) and a hydrogen discharging device (2) arranged on the buffer tank (1), wherein the hydrogen discharging device (2) comprises a hollow hydrogen discharging device shell (21), a hydrogen discharging hole plate (22), a ventilating cover (23), an anti-overflow plug (24), a connecting rod (25) and a floating ball (26);
the hydrogen discharging device shell (21) is positioned above the buffer tank (1), an exhaust hole (210) is formed in the top of the hydrogen discharging device shell (21), and the bottom end of the hydrogen discharging device shell (21) is communicated with the buffer tank (1); the ventilation cover (23) and the anti-overflow plug (24) are arranged in the hydrogen discharge device shell (21), the hydrogen discharge hole plate (22) is arranged in the hydrogen discharge device shell (21) or at the connecting position of the hydrogen discharge device shell (21) and the buffer tank (1), the ventilation cover (23) is positioned above the hydrogen discharge hole plate (22), and the anti-overflow plug (24) is positioned above the ventilation cover (23);
the hydrogen discharge hole plate (22) is provided with a hydrogen discharge hole (220), the ventilation cover (23) can be attached to the upper surface of the hydrogen discharge hole plate (22) and partially covers the hydrogen discharge hole (220), the ventilation cover (23) can move up and down in the hydrogen discharge device shell (21), and the ventilation cover (23) can increase the opening degree of the hydrogen discharge hole (220) when moving up;
the floating ball (26) is positioned in the buffer tank (1), one end of the connecting rod (25) is connected with the floating ball (26), and the other end of the connecting rod (25) penetrates through the hydrogen discharge orifice plate (22) and then is connected with the anti-overflow plug (24); the floating ball (26) can drive the anti-overflow plug (24) to move up and down through the connecting rod (25), and the anti-overflow plug (24) can block the exhaust hole (210) when moving upwards.
2. The hydrogen-discharging water-blocking device according to claim 1, wherein the air-permeable cover (23) is sleeved on the connecting rod (25), and the air-permeable cover (23) can move up and down along the connecting rod (25).
3. The hydrogen discharging water blocking device according to claim 2, wherein the ventilation cover (23) comprises a cap (231) and a hollow sliding rod (232), the cap (231) is located above the hydrogen discharging hole plate (22) and can be attached to the upper surface of the hydrogen discharging hole plate (22), the cap (231) and the sliding rod (232) are both sleeved on the connecting rod (25), the top end of the sliding rod (232) is connected with the cap (231), the bottom end of the sliding rod (232) passes through the hydrogen discharging hole plate (22) and then extends to the position below the hydrogen discharging hole plate (22), and a stop cap (233) is fixed at the bottom end of the sliding rod (232).
4. The hydrogen-discharging water blocking device according to claim 1, wherein the hydrogen discharging device housing (21) comprises a housing main body portion (211) and an overflow preventing hole plate (212), the bottom end of the housing main body portion (211) communicates with the buffer tank (1), the overflow preventing hole plate (212) is disposed on the top of the housing main body portion (211), and the exhaust hole (210) is disposed on the overflow preventing hole plate (212).
5. The hydrogen discharge water blocking device according to claim 4, wherein the anti-overflow hole plate (212) comprises a connecting plate (2121) and a hollow guiding cylinder (2122), the connecting plate (2121) is fixed with the top of the housing main body (211), the guiding cylinder (2122) is positioned below the connecting plate (2121) and extends into the housing main body (211), the exhaust hole (210) is arranged on the connecting plate (2121), and the inner cavity of the guiding cylinder (2122) is communicated with the exhaust hole (210); the anti-overflow plug (24) is inserted into the guide barrel (2122) and can move up and down in the guide barrel (2122).
6. The hydrogen-discharging water-blocking device according to claim 5, wherein the side wall of the guide barrel (2122) is provided with a hydrogen-discharging groove (2123).
7. The hydrogen abstraction water blocking device according to claim 5, wherein the top of the guiding cylinder (2122) and the top of the anti-overflow plug (24) are each of a truncated cone structure with a diameter gradually reduced from bottom to top.
8. The hydrogen-discharging water-blocking device according to claim 1, further comprising a gas-water separator (3), wherein the gas-water separator (3) is located above the buffer tank (1), the gas-water separator (3) is located on one side of the hydrogen-discharging device (2), and the bottom end of the gas-water separator (3) is communicated with the buffer tank (1).
9. The hydrogen-discharging water-blocking device according to claim 1, wherein the gas-permeable cover (23) is capable of covering half of the area of the hydrogen discharge holes (220) after being fitted to the upper surface of the hydrogen discharge hole plate (22).
10. A ship ballast water treatment system comprising the hydrogen discharge water blocking device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222662751.2U CN218521346U (en) | 2022-10-10 | 2022-10-10 | Hydrogen-discharging water-blocking device and ship ballast water treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222662751.2U CN218521346U (en) | 2022-10-10 | 2022-10-10 | Hydrogen-discharging water-blocking device and ship ballast water treatment system |
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| CN218521346U true CN218521346U (en) | 2023-02-24 |
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| CN202222662751.2U Active CN218521346U (en) | 2022-10-10 | 2022-10-10 | Hydrogen-discharging water-blocking device and ship ballast water treatment system |
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| CN (1) | CN218521346U (en) |
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