Low-temperature plasma jet generating device

By designing a low-temperature plasma jet generator, the nozzle and nozzle assembly are used to form active jets and microbubbles, combined with the adsorption effect of the graphene layer, the potential threat to marine ecology during ship navigation is solved, and the Efficient killing of out-of-marine invasive species and efficient adsorption and recovery of fuel leakage.

CN222509598UActive Publication Date: 2025-02-18DALIAN NATIONALITIES UNIVERSITY +2
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Patent Information

Application Number
CN202421175289.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-02-18
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

During idling and light load, the ship needs to load ballast water to reduce the center of gravity of the hull and be equipped with a large amount of fuel to ensure the supply of endurance power, but this will pose a potential threat to the marine ecological environment, including irreversible harm to marine species and The impact of fuel leakage on marine ecology.

Method used

A low temperature plasma jet generator is designed, the device including a nozzle, a fixing rod, a graphene layer, a power supply assembly, a nozzle assembly, a pressing assembly and a moving assembly. Low-temperature plasma jets are formed by discharge of the power supply assembly, and micro-bubbles are formed by using the nozzle assembly to increase the contact area between active species and out-of-marine invasive species, and adsorbs fuel leakage through the graphene layer.

Benefits of technology

This device can increase the content of active groups in low-temperature plasma jets, promote efficient killing of invasive species outside the ocean, and efficiently adsorb and recover fuel on the sea surface through the adsorption effect of graphene layer, and reduce pollution to the ocean ecology through the adsorption effect of graphene layer, thereby efficiently adsorbing and recycling of fuel on the sea surface, thereby reducing pollution to the ocean ecology .

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-temperature plasma jet generating device which comprises a jet mechanism, a base, a spray pipe arranged at the top of the base, a fixing rod fixedly connected to the spray pipe, a graphene layer arranged on the fixing rod, a power supply assembly arranged in an inner cavity of the base, a nozzle assembly arranged at the top of the spray pipe, and a pressing assembly arranged at the top of the spray pipe. And a movable assembly is arranged on the fixed rod. The alternating current power supply works, so that the electrode discharges in seawater bubbles, a low-temperature plasma jet array rich in activity is formed, the contact area of active species is increased through microbubbles formed by a nozzle opening, and efficient killing of marine external invasion species is promoted; the graphene layer is fixed to the outer wall of the spray pipe through the fixing rods, active species react with graphene through the through holes to form graphene oxide, oxygen functional groups on the surface of the graphene are increased, the hydrophilicity and the adsorption effect of the graphene are improved, efficient adsorption and recycling of fuel oil are promoted, the pull plate is pulled, the sliding plate drives the fixing columns to move, and the graphene layer can be replaced.
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Description

Technical field:

[0001] The utility model relates to the technical field of low-temperature plasma, in particular to a low-temperature plasma jet generating device. Background technology:

[0002] During the discharge process, low-temperature plasma advanced oxidation technology will form physical effects such as electromagnetic fields and shock waves due to molecular excitation, dissociation and ionization, avoiding secondary pollution caused by residual chemical reagents and providing a new technical possibility for emergency treatment of marine ecological environment protection.

[0003] When sailing with no load or light load, the ship needs to load ballast water to lower the center of gravity of the hull, and be equipped with a large amount of fuel to ensure the power supply for endurance. However, since the ballast water in the hull may carry different marine organisms, if it is discharged at will, it will cause irreversible harm to marine species; at the same time, a large amount of fuel is loaded on the ship. When the hull is aged and damaged, the risk of fuel leakage on the sea surface will affect the marine ecological environment. Therefore, in order to solve the above problems, we need to design a low-temperature plasma jet generator. Utility model content:

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A low-temperature plasma jet generating device, comprising:

[0007] The jet mechanism includes a base, a nozzle is arranged on the top of the base, a fixing rod is fixedly connected to the nozzle, a graphene layer is arranged on the fixing rod, a power supply component is arranged in the inner cavity of the base, a nozzle component is arranged on the top of the nozzle, a pressing component is arranged on the top of the nozzle, and a movable component is arranged on the fixing rod.

[0008] As a preferred solution of a low-temperature plasma jet generating device described in the utility model, a plurality of through holes are arranged at the bottom of the nozzle, a fixing plate is arranged in the inner cavity of the nozzle, a through groove is arranged on the fixing plate, a limiting groove is arranged in the top inner cavity of the nozzle, and a first movable groove is arranged at the top of the nozzle.

[0009] As a preferred solution of the low-temperature plasma jet generating device described in the utility model, a slide groove is arranged on the fixed rod, a second movable groove is arranged on the fixed rod, and a fixed groove is arranged on the slide groove.

[0010] As a preferred solution of a low-temperature plasma jet generating device described in the utility model, the power supply component includes an electrode and an AC power supply, the AC power supply is fixedly connected to the inner cavity of the base, and the electrode is fixedly connected to the AC power supply.

[0011] As a preferred solution of a low-temperature plasma jet generating device described in the utility model, the nozzle assembly includes a nozzle, a limit block, a wedge block and a first spring, a spray hole is provided on the top of the nozzle, a square groove is provided on the nozzle, one end of the first spring is fixedly connected to the wedge block, the other end of the first spring is fixedly connected to the inner wall of the square groove, and the limit block is fixedly connected to both sides of the nozzle.

[0012] As a preferred solution of a low-temperature plasma jet generating device described in the utility model, the pressing assembly includes a pressing block, a pressing plate, a pushing block and a second spring, one end of the second spring is fixedly connected to the inner wall of the first movable groove, the other end of the second spring is fixedly connected to one side of the pressing plate, the pushing block is fixedly connected to one side of the pressing plate, and the pressing block is fixedly connected to the other side of the pressing plate.

[0013] As a preferred solution of a low-temperature plasma jet generating device described in the utility model, the movable component includes a pull plate, a third spring, a slide plate and a fixed column, the pull plate is fixedly connected to one side of the slide plate, one end of the third spring is fixedly connected to one side of the slide plate, the other end of the third spring is fixedly connected to the second movable groove, and the fixed column is fixedly connected to the other side of the slide plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects: when the device is used, the AC power source is used to make the electrode discharge in the seawater bubbles to form an array of low-temperature plasma jets rich in activity; through the fixing plates and the through grooves in the inner cavities of the multiple nozzles, multiple intervals for gas particles to fully collide and excite can be constructed in the device, so that the plasma jets collide back and forth, which can increase the content of active groups in the jets; further, the microbubbles formed by the nozzle openings effectively increase the gas-liquid contact area of ​​the active species, improve the efficiency of the action between the active species and the action object, and promote the efficient killing of marine invasive species;

[0015] The graphene layer is fixed to the nozzle by the fixing rod. When the AC power source is working, the strong oxidizing active species generated by the discharge pass through the through hole to the outside of the nozzle, and react physically and chemically with the graphene layer to form graphene oxide, increase the oxygen functional groups on the graphene surface, improve its hydrophilicity and adsorption effect, and promote efficient adsorption and recycling of the fuel when it leaks onto the sea surface. Furthermore, by pulling the pull plate, the slide plate drives the fixing column to move, so that the graphene layer can be fixed to the outside of the nozzle, improving the usability of the device;

[0016] The wedge blocks arranged on both sides of the nozzle can be effectively fixed on the nozzle pipe to prevent the nozzle from moving during long-term use and affecting the device. At the same time, by pressing the pressing block, the pressure plate drives the push block to move, so that the nozzle can be disassembled, which is beneficial to the carrying and installation of the device. At the same time, after the device is used for a long time, when other internal parts are damaged, it is easy to disassemble and replace. Description of the drawings:

[0017] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 This is a front schematic diagram of the overall structure of a low-temperature plasma jet generating device of the utility model;

[0019] Figure 2 It is a schematic cross-sectional view of the overall structure of a low-temperature plasma jet generating device of the utility model;

[0020] Figure 3 It is a schematic diagram of the overall structure explosion of a low-temperature plasma jet generating device of the utility model;

[0021] Figure 4 It is a schematic diagram of a pressing component in a low-temperature plasma jet generating device of the utility model. Specific implementation method:

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0024] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] See also Figure 1-Figure 4 The utility model provides a low-temperature plasma jet generating device, comprising:

[0026] The jet mechanism 100 includes a base 102, a nozzle 101 is arranged on the top of the base 102, a fixed rod 104 is fixedly connected to the nozzle 101, a graphene layer 103 is arranged on the fixed rod 104, a power supply component 110 is arranged in the inner cavity of the base 102, a nozzle component 120 is arranged on the top of the nozzle 101, a pressing component 130 is arranged on the top of the nozzle 101, and a movable component 140 is arranged on the fixed rod 104.

[0027] Specifically, the power supply component 110 can be used to discharge the inside of the nozzle 101 to form an array of low-temperature plasma jets rich in activity, and ejected through the nozzle component 120 to form microbubbles, thereby increasing the gas-liquid contact area of ​​active species and promoting efficient killing of invasive marine species; the nozzle component 120 can be removed from the nozzle 101 by pressing the component 130, which is convenient for installing and replacing device parts; the movable component 140 can facilitate the fixing of the graphene layer 103 to the fixed rod 104, thereby facilitating the contact between the graphene and the strongly oxidizing active species generated by the discharge to form graphene oxide, which can better absorb the fuel when it leaks.

[0028] See also Figure 1-Figure 2 The bottom of the nozzle 101 is provided with a plurality of through holes 101a, the inner cavity of the nozzle 101 is provided with a fixing plate 101d, the fixing plate 101d is provided with a through slot 101e, the inner cavity of the top of the nozzle 101 is provided with a limiting slot 101b, and the top of the nozzle 101 is provided with a first movable slot 101c. The power supply assembly 110 includes an electrode 110a and an AC power supply 110b, the AC power supply 110b is fixedly connected to the inner cavity of the base 102, and the electrode 110a is fixedly connected to the AC power supply 110b.

[0029] Specifically, by operating the AC power supply 110b, the electrode 110a is discharged, thereby forming an array of low-temperature plasma jets rich in activity; further, by providing multiple fixed plates 101d and through grooves 101e in the inner cavity of the nozzle 101, multiple intervals for sufficient collision and excitation of gas particles can be constructed inside the device, so that the low-temperature plasma jets collide back and forth, which can increase the content of active groups in the jets.

[0030] See also Figure 1-Figure 2 The nozzle assembly 120 includes a nozzle 120a, a stopper 120b, a wedge 120c and a first spring 120d. A spray hole 120f is provided at the top of the nozzle 120a. A square groove 120e is provided on the nozzle 120a. One end of the first spring 120d is fixedly connected to the wedge 120c, the other end of the first spring 120d is fixedly connected to the inner wall of the square groove 120e, and the stopper 120b is fixedly connected to both sides of the nozzle 120a. The pressing assembly 130 includes a pressing block 130a, a pressing plate 130b, a push block 130c and a second spring 130d. One end of the second spring 130d is fixedly connected to the inner wall of the first movable groove 101c, the other end of the second spring 130d is fixedly connected to one side of the pressing plate 130b, the push block 130c is fixedly connected to one side of the pressing plate 130b, and the pressing block 130a is fixedly connected to the other side of the pressing plate 130b.

[0031] Specifically, when installing, the limit block 120b is placed in the limit groove 101b, and the wedge block 120c is fixed to the first movable groove 101c through the force of the first spring 120d, so that the nozzle 120a can be fixed to the nozzle 101 to prevent the nozzle 120a from loosening during use and affecting the device; at the same time, the microbubbles formed at the nozzle 120a can effectively increase the gas-liquid contact area of ​​the active species, improve the efficiency of the action between the active species and the object of action, and promote the efficient killing of marine invasive species.

[0032] See also Figure 1-Figure 4 The fixed rod 104 is provided with a slide groove 104a, the fixed rod 104 is provided with a second movable groove 104b, and the slide groove 104a is provided with a fixed groove 104c. The movable assembly 140 includes a pull plate 140a, a third spring 140b, a slide plate 140c and a fixed column 140d, the pull plate 140a is fixedly connected to one side of the slide plate 140c, one end of the third spring 140b is fixedly connected to one side of the slide plate 140c, the other end of the third spring 140b is fixedly connected to the second movable groove 104b, and the fixed column 140d is fixedly connected to the other side of the slide plate 140c.

[0033] Specifically, when installing the device, the sliding plate 140c drives the fixing column 140d to move by pulling the pulling plate 140a, so that the graphene layer 103 can be fixed to the fixing rod 104, which is convenient for the installation and fixation of the graphene layer 103. Furthermore, when using the device, the strong oxidizing active species generated by the discharge pass through the through hole 101a to the outside of the nozzle 101, so that they can react physically and chemically with the graphene layer 103 to form graphene oxide, increase the oxygen functional groups on the graphene surface, and improve its hydrophilicity and adsorption effect. When the fuel leaks onto the sea surface, it can promote the efficient adsorption and recovery of the fuel.

[0034] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A low-temperature plasma jet generating device, characterized in that: include: The jet mechanism (100) comprises a base (102), a nozzle (101) is arranged on the top of the base (102), a fixed rod (104) is fixedly connected to the nozzle (101), a graphene layer (103) is arranged on the fixed rod (104), a power supply component (110) is arranged in the inner cavity of the base (102), a nozzle component (120) is arranged on the top of the nozzle (101), a pressing component (130) is arranged on the top of the nozzle (101), and a movable component (140) is arranged on the fixed rod (104).

2. A low-temperature plasma jet generating device according to claim 1, characterized in that: The bottom of the nozzle (101) is provided with a plurality of through holes (101a); a fixing plate (101d) is provided in the inner cavity of the nozzle (101); a through groove (101e) is provided on the fixing plate (101d); a limiting groove (101b) is provided in the inner cavity at the top of the nozzle (101); and a first movable groove (101c) is provided at the top of the nozzle (101).

3. A low-temperature plasma jet generating device according to claim 2, characterized in that: The fixed rod (104) is provided with a sliding groove (104a), the fixed rod (104) is provided with a second movable groove (104b), and the sliding groove (104a) is provided with a fixed groove (104c).

4. A low-temperature plasma jet generating device according to claim 2, characterized in that: The power supply component (110) comprises an electrode (110a) and an AC power source (110b); the AC power source (110b) is fixedly connected to the inner cavity of the base (102); and the electrode (110a) is fixedly connected to the AC power source (110b).

5. A low-temperature plasma jet generating device according to claim 4, characterized in that: The nozzle assembly (120) comprises a nozzle (120a), a stop block (120b), a wedge block (120c) and a first spring (120d); a spray hole (120f) is arranged at the top of the nozzle (120a); a square groove (120e) is arranged on the nozzle (120a); one end of the first spring (120d) is fixedly connected to the wedge block (120c); the other end of the first spring (120d) is fixedly connected to the inner wall of the square groove (120e); and the stop block (120b) is fixedly connected to both sides of the nozzle (120a).

6. A low-temperature plasma jet generating device according to claim 5, characterized in that: The pressing assembly (130) includes a pressing block (130a), a pressing plate (130b), a pushing block (130c) and a second spring (130d), one end of the second spring (130d) is fixedly connected to the inner wall of the first movable groove (101c), the other end of the second spring (130d) is fixedly connected to one side of the pressing plate (130b), the pushing block (130c) is fixedly connected to one side of the pressing plate (130b), and the pressing block (130a) is fixedly connected to the other side of the pressing plate (130b).

7. A low-temperature plasma jet generating device according to claim 3, characterized in that: The movable component (140) includes a pulling plate (140a), a third spring (140b), a sliding plate (140c) and a fixed column (140d), wherein the pulling plate (140a) is fixedly connected to one side of the sliding plate (140c), one end of the third spring (140b) is fixedly connected to one side of the sliding plate (140c), the other end of the third spring (140b) is fixedly connected to the second movable groove (104b), and the fixed column (140d) is fixedly connected to the other side of the sliding plate (140c).