CN215667233U - Liquid phase discharge reactor - Google Patents
Liquid phase discharge reactor Download PDFInfo
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- CN215667233U CN215667233U CN202122090963.3U CN202122090963U CN215667233U CN 215667233 U CN215667233 U CN 215667233U CN 202122090963 U CN202122090963 U CN 202122090963U CN 215667233 U CN215667233 U CN 215667233U
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Abstract
The utility model relates to the technical field of discharge devices, in particular to a liquid-phase discharge reactor. The liquid phase discharge reactor includes: a reaction chamber adapted to contain a reaction solution; the grounding polar plate is arranged in the reaction cavity, and the lower surface of the grounding polar plate is suitable for being arranged higher than the liquid level of the reaction solution; at least two needle electrodes which are arranged at intervals with the grounding polar plate and are suitable for being electrically connected with a discharge power supply; and the circulating pipeline is communicated with the reaction cavity and is suitable for driving the reaction solution to circularly flow. According to the liquid-phase discharge reactor provided by the utility model, the discharge energy is increased by adopting at least two needle electrodes, so that more active substances are generated during discharge, and the reaction rate is improved; meanwhile, the circulating pipeline drives the reaction solution to circularly flow, so that the liquidity of the solution is increased, the mixing of the catalyst and pollutants in the reaction solution can be accelerated, the discharge reaction time is shortened, the reaction rate is improved, and the electricity cost is saved.
Description
Technical Field
The utility model relates to the technical field of discharge devices, in particular to a liquid-phase discharge reactor.
Background
In the field of high-voltage discharge plasma, liquid-phase high-voltage discharge reactors have various reactor types, including needle-plate type, line-plate type, rod-rod type, plate-hole-plate type and the like, different reactors can determine the type of high-voltage discharge, and different discharge reaction types can treat pollutants with different degradation difficulties. In which a spark discharge may occur in the needle-plate reactor. When the voltage reaches the breakdown gas voltage, the needle electrode instantaneously produces a spark, and the active species produced at this time allows the contaminants to be removed. The spark is generated by a high-voltage breakdown gas of about ten thousand volts applied between two electrodes, and the discharge form only maintains 10-8-10-6s, which may then be converted into an arc discharge. However, the high voltage electrode of the single-needle-plate discharge reactor is only provided with one needle, the generated active substances are limited, the discharge voltage is unstable, the electric field intensity is insufficient, the pollutant removal effect is limited, and the reaction rate is limited; in addition, most of the solution in the liquid-phase discharge reactor is in a static state, the mobility is poor, the catalyst and pollutants in water cannot be fully mixed, the discharge reaction time is prolonged, and the reaction rate is also limited.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the present invention is to overcome the defect of low reaction rate in the liquid-phase discharge reactor in the prior art, thereby providing a liquid-phase discharge reactor capable of increasing the reaction rate.
In order to solve the above technical problem, the present invention provides a liquid phase discharge reactor, comprising:
a reaction chamber adapted to contain a reaction solution;
the grounding polar plate is arranged in the reaction cavity, and the lower surface of the grounding polar plate is suitable for being arranged higher than the liquid level of the reaction solution;
at least two needle electrodes which are arranged at intervals with the grounding polar plate and are suitable for being electrically connected with a discharge power supply;
and the circulating pipeline is communicated with the reaction cavity and is suitable for driving the reaction solution to circularly flow.
Optionally, the liquid-phase discharge reactor further comprises: the air chamber cavity and the reaction cavity are separated from each other and are arranged independently, and the air chamber cavity is suitable for introducing air into the reaction cavity.
Optionally, the gas chamber cavity and the reaction cavity are separated by an insulating plate, the needle electrode is arranged on the insulating plate in a penetrating manner, a first end of the needle electrode is arranged in the gas chamber cavity, and a second end of the needle electrode is arranged in the reaction cavity;
the needle electrode is constructed in a hollow tubular structure and is suitable for leading air into the reaction cavity from the air chamber cavity.
Optionally, an air inlet is arranged on the air chamber cavity, an air outlet is arranged on the reaction cavity, and the air outlet is higher than the liquid level of the reaction solution.
Optionally, the second end of the needle electrode is adapted to be disposed at a position relatively below the liquid level of the reaction solution.
Optionally, a catalyst is further disposed in the reaction chamber, and the catalyst is adapted to be immersed in the reaction solution.
Optionally, a circulation liquid outlet and a circulation liquid inlet are further arranged on the reaction cavity, the circulation liquid outlet is communicated with the circulation liquid inlet through the circulation pipeline, and the circulation liquid outlet is arranged at a position below the circulation liquid inlet relatively.
Optionally, a circulation pump is arranged on the circulation pipeline.
Optionally, the liquid-phase discharge reactor further comprises: an inflator adapted to communicate with the air inlet.
Optionally, the liquid-phase discharge reactor further comprises: and the lifting unit is suitable for driving the grounding polar plate to lift along the height direction.
The technical scheme of the utility model has the following advantages:
1. according to the liquid-phase discharge reactor provided by the utility model, the discharge energy is increased by adopting at least two needle electrodes, so that more active substances are generated during discharge, the content of the active substances is increased, the defect of insufficient single-needle discharge energy is overcome, and the reaction rate is favorably improved; meanwhile, the circulating pipeline drives the reaction solution to circularly flow, so that the liquidity of the solution is increased, the mixing of the catalyst and pollutants in the reaction solution can be accelerated, the discharge reaction time is shortened, the reaction rate is improved, and the electricity cost is saved.
2. According to the liquid-phase discharge reactor provided by the utility model, the needle electrode is constructed into the hollow tubular structure, the first end of the needle electrode is arranged in the air chamber cavity, the second end of the needle electrode is arranged in the reaction cavity, so that the air conduction between the air chamber cavity and the reaction cavity is realized by the needle electrode, and the discharge end can be timely contacted with the air when the needle electrode discharges, so that the preparation efficiency of active substances is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first schematic view of a liquid phase discharge reactor according to the present invention;
FIG. 2 is a second schematic diagram of a liquid phase discharge reactor according to the present invention.
Description of reference numerals:
1-a reaction cavity, 2-an air chamber cavity, 3-a circulating liquid outlet, 4-a grounding polar plate, 5-an air outlet, 6-an air inlet, 7-a circulating liquid inlet, 8-a needle electrode, 9-a catalyst, 10-a circulating pump, 11-a circulating pipeline, 12-a lifting unit and 13-a base.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example one
Referring to fig. 1 to fig. 2, the liquid phase discharge reactor provided in this embodiment includes:
a reaction chamber 1 adapted to contain a reaction solution;
the grounding polar plate 4 is arranged in the reaction cavity 1, and the lower surface of the grounding polar plate 4 is suitable for being arranged higher than the liquid level of the reaction solution;
at least two needle electrodes 8 arranged at intervals with the grounding polar plate 4, wherein the needle electrodes 8 are suitable for being electrically connected with a discharge power supply;
and the circulating pipeline 11 is communicated with the reaction cavity 1 and is suitable for driving the reaction solution to circularly flow.
In this embodiment, a certain amount of contaminants exist in the reaction solution, and the content of active substances (such as hydroxyl, hydrogen peroxide, ozone, and the like) generated in the discharge process can be increased by adopting a liquid-phase high-voltage discharge mode, so that the contaminants in the reaction solution are degraded.
The needle electrode 8 is preferably in a needle shape, the needle electrode 8 is adapted to be electrically connected to a discharge power source, preferably a high voltage discharge power source, and the grounding electrode plate 4 is grounded. In the discharging process, when the voltage reaches a certain value, a discharging spark is formed between the needle electrode 8 and the grounding polar plate 4, the discharging mode is spark discharging, high voltage breaks down gas, and a large amount of active substances can be generated.
In the liquid-phase discharge reactor provided by the embodiment, the discharge energy is increased by adopting the at least two needle electrodes 8, so that more active substances are generated during discharge, the content of the active substances is increased, the defect of insufficient discharge energy of a single needle is overcome, and the reaction rate is improved; meanwhile, the circulating pipeline 11 drives the reaction solution to circularly flow, so that the liquidity of the solution is increased, the mixing of the catalyst and pollutants in the reaction solution can be accelerated, the discharge reaction time is shortened, the reaction rate is improved, and the electricity consumption cost is saved.
In particular, a catalyst 9 is also arranged in the reaction chamber 1, the catalyst 9 being adapted to be immersed in the reaction solution. Because the circulating pipeline 11 drives the reaction solution to circularly flow, the catalyst 9 can also flow along with the reaction solution instead of keeping a static state, which is beneficial to the catalyst to play a role more quickly, quickening the reaction rate, reducing the discharge reaction time and saving the electricity consumption cost.
Preferably, the kind and type of catalyst are determined according to the reactants and the object to be treated.
Preferably, the reaction chamber 1 is composed of a cylindrical barrel, wherein the diameter of the cylindrical barrel can be 10-15cm, and the cylindrical barrel is made of organic glass.
Preferably, the grounding electrode plate 4 may be a stainless steel circular plate.
Preferably, the axis of the pin electrode 8 is perpendicular to the plane of the ground plate 4.
Specifically, the liquid-phase discharge reactor further comprises: the air chamber cavity 2 and the reaction cavity 1 are spaced and independently arranged, and the air chamber cavity 2 is suitable for introducing air into the reaction cavity 1.
Preferably, in this embodiment, the gas chamber 2 is disposed at a position relatively below the reaction chamber 1, the liquid phase discharge reactor further includes a base 13, and the gas chamber 2 is disposed between the base 13 and the reaction chamber 1. The air chamber cavity 2 can be communicated with the reaction cavity 1 through an air conveying pipe, and the air conveying pipe can be provided with a one-way valve to prevent the reaction solution from being guided. In a preferred form of this embodiment, the gas chamber 2 and the reaction chamber 1 are in gas communication via a hollow needle electrode 8.
Specifically, the air chamber cavity 2 is separated from the reaction cavity 1 by an insulating plate, the needle electrode 8 is arranged on the insulating plate in a penetrating manner, a first end of the needle electrode 8 is arranged in the air chamber cavity 2, and a second end of the needle electrode 8 is arranged in the reaction cavity 1;
the needle electrode 8 is configured as a hollow tubular structure adapted to pass air from the air chamber 2 into the reaction chamber 1.
The liquid phase discharge reactor that this embodiment provided, through will needle electrode 8 constructs for hollow tubular structure, and will needle electrode 8's first end set up in the air chamber 2, needle electrode 8's second end set up in the reaction chamber 1, thereby borrow by needle electrode 8 realizes air chamber 2 with the air of reaction chamber 1 switches on, because the air is discharged from needle electrode 8's second end, when needle electrode 8 discharges, can make the discharge end in time contact with the air, improves the efficiency of preparing of active material.
Preferably, except for the needle electrode 8 provided with a vent hole, other areas between the air chamber cavity 2 and the reaction cavity 1 are hermetically arranged.
Because the needle electrodes 8 are communicated with a discharge power supply, in order to ensure safety, an insulating plate is arranged between the air chamber cavity 2 and the reaction cavity 1, the needle electrodes 8 are arranged on the insulating plate in a penetrating way, and when the needle electrodes 8 are multiple, the multiple needle electrodes 8 are arranged at intervals.
In this embodiment, the number of the needle electrodes 8 may be selected from 1 to 10, and preferably, the number of the needle electrodes 8 may be 7. The 7 needle electrodes 8 are distributed on the insulating plate at equal intervals.
Preferably, the needle electrode 8 may be a stainless steel needle.
Specifically, an air inlet 6 is arranged on the air chamber cavity 2, an air outlet 5 is arranged on the reaction cavity 1, and the air outlet 5 is higher than the liquid level of the reaction solution.
Air enters the air chamber cavity 2 from the air inlet 6, passes through the needle electrode 8, is introduced into the reaction cavity 1, and is discharged from the air outlet 5 of the reaction cavity 1.
Specifically, the second end of the needle electrode 8 is adapted to be disposed at a position relatively below the liquid level of the reaction solution.
Preferably, the air is discharged from the second end of the needle electrode 8, and meanwhile, the second end of the needle electrode 8 is arranged at a position relatively below the liquid level of the reaction solution, so that the second end of the needle electrode 8 can simultaneously contact with the liquid and the air, thereby ensuring that sufficient active substances can be generated in the discharge reaction, and ensuring the degradation effect of pollutants.
Preferably, the liquid level of the reaction solution is 5 to 10mm higher than the second end of the needle electrode 8.
Specifically, reaction chamber 1 is last still to be provided with circulation liquid outlet 3 and circulation inlet 7, circulation liquid outlet 3 with circulation inlet 7 is via circulation pipeline 11 is linked together, circulation liquid outlet 3 set up in the relative below position of circulation inlet 7.
Specifically, a circulation pump 10 is provided on the circulation line 11.
Driven by the circulating pump 10, the reaction solution is discharged from the circulating liquid outlet 3 located relatively below the reaction chamber 1 and returns to the reaction chamber 1 from the circulating liquid inlet 7 located relatively above the reaction chamber, so that the circulating flow of the reaction solution is realized, and the mixing of the catalyst and the pollutants in the reaction solution is accelerated.
Specifically, the liquid-phase discharge reactor further comprises: an inflator adapted to communicate with the air inlet 6. The inflator is adapted to introduce air into the air chamber 2 through the air inlet 6.
Preferably, before the discharge reaction is started, it is necessary to check whether the liquid-phase discharge reactor is good in airtightness. Starting an inflator pump, introducing gas into the gas chamber cavity 2, then pouring the solution to be treated into the reaction cavity 1, and observing whether a series of bubbles are generated at each needle point of the needle electrode 8. If some or all of the needle points do not generate bubbles, the gas leakage of the liquid phase discharge reactor is indicated. If the device is airtight, a circulating pump 10 between the circulating liquid inlet 7 and the circulating liquid outlet 3 is opened, so that the reaction solution starts to circularly flow, and the catalyst circularly flows along with the solution. And then, starting a discharge power supply, and gradually increasing the voltage from low to high until the needle point of the needle electrode 8 generates discharge sparks and then stopping increasing the voltage.
Specifically, the liquid-phase discharge reactor further comprises: and the lifting unit 12 is suitable for driving the grounding pole plate 4 to lift along the height direction by the lifting unit 12. Thereby adjusting the interval between the two electrodes by moving the elevation unit 12 up and down.
Preferably, the distance between the second end of the pin electrode 8 and the lower surface of the ground plate 4 may be 10-20 mm.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (10)
1. A liquid-phase discharge reactor, comprising:
a reaction chamber (1) adapted to contain a reaction solution;
the grounding polar plate (4) is arranged in the reaction cavity (1), and the lower surface of the grounding polar plate (4) is suitable for being arranged higher than the liquid level of the reaction solution;
at least two needle electrodes (8) arranged at intervals with the grounding polar plate (4), wherein the needle electrodes (8) are suitable for being electrically connected with a discharge power supply;
and the circulating pipeline (11) is communicated with the reaction cavity (1) and is suitable for driving the reaction solution to circularly flow.
2. The liquid-phase electric discharge reactor according to claim 1, further comprising: the air chamber cavity (2) and the reaction cavity (1) are mutually separated and independently arranged, and the air chamber cavity (2) is suitable for introducing air into the reaction cavity (1).
3. A liquid-phase discharge reactor according to claim 2, characterized in that said gas-chamber cavity (2) is separated from said reaction cavity (1) by an insulating plate, said needle electrode (8) being arranged through said insulating plate and a first end of said needle electrode (8) being arranged inside said gas-chamber cavity (2) and a second end of said needle electrode (8) being arranged inside said reaction cavity (1);
the needle electrode (8) is designed as a hollow tubular structure and is suitable for introducing air from the air chamber (2) into the reaction chamber (1).
4. A liquid-phase discharge reactor according to claim 3, characterized in that said gas chamber cavity (2) is provided with a gas inlet (6), said reaction chamber (1) is provided with a gas outlet (5), said gas outlet (5) being arranged above the liquid level of said reaction solution.
5. A liquid phase discharge reactor according to claim 4, characterized in that the second end of the needle electrode (8) is adapted to be arranged in a position relatively below the liquid level of the reaction solution.
6. A liquid-phase electric discharge reactor according to claim 1, characterized in that a catalyst (9) is also arranged inside said reaction chamber (1), said catalyst (9) being adapted to be immersed in said reaction solution.
7. A liquid-phase discharge reactor according to claim 1, wherein said reaction chamber (1) is further provided with a circulation liquid outlet (3) and a circulation liquid inlet (7), said circulation liquid outlet (3) and said circulation liquid inlet (7) are communicated via said circulation pipeline (11), and said circulation liquid outlet (3) is disposed at a position relatively below said circulation liquid inlet (7).
8. A liquid-phase electric discharge reactor according to claim 7, characterized in that the circulation line (11) is provided with a circulation pump (10).
9. The liquid-phase discharge reactor according to claim 4, further comprising: an inflator adapted to communicate with the air inlet (6).
10. A liquid-phase electric discharge reactor according to any one of claims 1 to 9, further comprising: the lifting unit (12), the lifting unit (12) is suitable for driving the grounding pole plate (4) to lift along the height direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122090963.3U CN215667233U (en) | 2021-08-31 | 2021-08-31 | Liquid phase discharge reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122090963.3U CN215667233U (en) | 2021-08-31 | 2021-08-31 | Liquid phase discharge reactor |
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| Publication Number | Publication Date |
|---|---|
| CN215667233U true CN215667233U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122090963.3U Active CN215667233U (en) | 2021-08-31 | 2021-08-31 | Liquid phase discharge reactor |
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| CN (1) | CN215667233U (en) |
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2021
- 2021-08-31 CN CN202122090963.3U patent/CN215667233U/en active Active
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