Anti-scaling sodium hypochlorite generator electrolytic cell

Abstract

The utility model discloses an anti-scaling sodium hypochlorite generator electrolytic bath which comprises an electrolytic bath body, an electrode group, an ultrasonic system, a saline water inlet, a sodium hypochlorite outlet and a hydrogen discharge port, and the electrode group comprises a plurality of anode electrodes, cathode electrodes and intermediate induction electrodes. The ultrasonic system is arranged in the electrolytic bath body, and when the electrode group electrolyzes dilute brine, the ultrasonic system generates ultrasonic waves to prevent water scales from depositing on the anode electrode, the cathode electrode and the intermediate induction electrode, so that the water scales are prevented from being generated. The utility model solves the problem that the electrolysis efficiency is influenced as the electrolysis process of the electrolytic bath needs to be stopped when the sodium hypochlorite generator uses acid backwashing liquid for descaling, and achieves the purpose of scaling prevention.

Description

TECHNICAL FIELD

[0001] The utility model relates to sodium hypochlorite generator technical field, concretely is a kind of sodium hypochlorite generator electrolytic cell of anti-fouling. BACKGROUND

[0002] Sodium hypochlorite generator is a kind of water treatment disinfection sterilization equipment, the equipment takes salt water as raw material, produces sodium hypochlorite solution by electrolytic reaction, sodium hypochlorite solution has strong oxidizing property, bleaching property and bactericidal action, can effectively kill bacteria, virus and other microorganisms in water, ensure the safety of water.Sodium hypochlorite generator is widely used in drinking water treatment, hospital sewage treatment, food processing and swimming pool disinfection and other fields.Sodium hypochlorite generator works electrolytic solution in sodium hypochlorite generator electrolytic cell anode and cathode occur electrochemical reaction, electrode plate carries out electron transfer and generates heat, resulting in calcium ion and magnesium ion in electrolyte, adhere to the surface of electrode plate and form scale (calcium carbonate and magnesium hydroxide), scale can block the electron transfer on the surface of electrode plate and lead to the increase of electric resistance, electrolytic voltage increases, and electrolytic efficiency reduces;At the same time, it can cause electrode plating reaction, metal anode loses electrons to become ion into electrolyte and be corroded.Therefore, the development and application of sodium hypochlorite generator electrolytic cell descaling technology or anti-fouling technology have become indispensable key of sodium hypochlorite generator.

[0003] The utility model discloses a kind of sodium hypochlorite generator electrolytic cell full-automatic descaling systems of announcement number for CN116921372A, announcement date is October 24, 2023, China invention discloses a kind of sodium hypochlorite generator electrolytic cell full-automatic descaling systems, and it includes: with the descaling system of impact type supplementary liquid concentrated acid rapid increase of backwash liquid acidity.In the liquid concentrated acid in concentrated acid storage tank is supplemented into the constant weight tank by constant weight tank inlet acid electric valve, it is supplemented to constant weight tank by constant weight tank inlet gas electric valve to constant weight tank gas pressure to make liquid concentrated acid with impact type spray into acid backwash liquid preparation and reserve area to mix with backwash liquid and rapidly increase the acidity of backwash liquid, solve the problem that backwash liquid is dissolved by screw conveyor to increase the acidity of backwash liquid slowly, it is beneficial to the continuousness of electrolytic cell scale removal.

[0004] From the above patent, the sodium hypochlorite generator electrolytic cell full-automatic descaling system uses acidic backwash liquid to continuously remove electrolytic cell scale when in use, which requires stopping the electrolysis process of the electrolytic cell, affecting the electrolysis efficiency;Therefore, the present application provides a sodium hypochlorite generator electrolytic cell for preventing scale formation to solve the above problems. SUMMARY

[0005] The utility model discloses a kind of sodium hypochlorite generator electrolytic cell for preventing scale formation to solve the technical problems of prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The application discloses a scale-preventing sodium hypochlorite generator electrolytic cell, which comprises an electrolytic cell tank body, an electrode group and a plurality of ultrasonic systems.

[0008] Preferably, the electrode group comprises a plurality of anode electrodes, cathode electrodes and intermediate induction electrodes, the anode electrodes and the cathode electrodes are connected with the positive pole and the negative pole of an external power source respectively, and the intermediate induction electrode comprises an induction cathode part close to the anode electrode and an induction anode part close to the cathode electrode.

[0009] Preferably, the anode electrodes and the cathode electrodes are vertically and horizontally arranged in pairs, and the intermediate induction electrodes are arranged in the gaps between the anode electrodes or the cathode electrodes at equal intervals in the transverse direction.

[0010] Preferably, a salt water inlet is arranged at one side of the bottom of the electrolytic cell tank body, a sodium hypochlorite outlet is arranged at the other side of the top of the electrolytic cell tank body, and a hydrogen discharge port is arranged at the side of the top of the electrolytic cell tank body away from the sodium hypochlorite outlet.

[0011] Preferably, a plurality of fixing plates are arranged in the electrode group, the fixing plates fix the anode electrodes, the cathode electrodes and the intermediate induction electrodes in the electrode group, one end of each of the anode electrodes and the cathode electrodes is connected to the inner wall of the electrolytic cell tank body, and the ultrasonic system arranged on the side wall of the electrolytic cell tank body is located between the side wall of the electrolytic cell tank body and the intermediate induction electrode.

[0012] The application has the following beneficial effects:

[0013] The ultrasonic system arranged in the electrolytic cell tank body generates ultrasonic waves to prevent scale from depositing on the anode electrodes, the cathode electrodes and the intermediate induction electrodes when the electrode group electrolyzes dilute salt water, thereby preventing scale from being generated. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be derived from the provided drawings without creative labor.

[0015] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the limiting conditions that the present application can be implemented, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the present application can produce, should still fall within the scope of the technical content disclosed by the present application.

[0016] Figure 1 It is a front view structural section schematic view of the present application;

[0017] Figure 2 It is a top view structural section schematic view of the present application;

[0018] Figure 3 It is a structural schematic view of the ultrasonic system of the present application;

[0019] As shown in the figure: 1, electrolytic cell body; 2, electrode group; 21, anode electrode; 22, cathode electrode; 23, intermediate induction electrode; 231, induction cathode part; 232, induction anode part; 24, fixed plate; 3, ultrasonic system; 31, ultrasonic generator; 32, ultrasonic transducer; 33, ultrasonic amplitude rod; 34, ultrasonic probe; 4, salt water inlet; 5, sodium hypochlorite outlet; 6, hydrogen discharge port. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] It should be noted that the embodiments and features in the utility model can be combined with each other without conflict.

[0023] It should be noted that: similar signs and letters are easy to express similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0024] In the description of the utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connect", "connect" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Referring to Figure 1 The utility model discloses a kind of sodium hypochlorite generator electrolytic cell of anti-fouling, including electrolytic cell tank body 1, electrode group 2, ultrasonic system 3, brine inlet 4, sodium hypochlorite outlet 5 and hydrogen discharge port 6.Electrode group 2 for electrolyzing dilute brine is vertically arranged in the middle region of electrolytic cell tank body 1;Ultrasonic system 3 for generating ultrasonic wave is respectively arranged in the bottom and the middle of side wall of electrolytic cell tank body 1;The bottom of one side of electrolytic cell tank body 1 is provided with brine inlet 4, the top of the other side of electrolytic cell tank body 1 is provided with sodium hypochlorite outlet 5, and the top of electrolytic cell tank body 1 is provided with hydrogen discharge port 6 on the side away from sodium hypochlorite outlet 5.

[0027] Referring to Figure 2The electrode group 2 comprises a plurality of anode electrodes 21, cathode electrodes 22 and intermediate induction electrodes 23. The anode electrodes 21 and the cathode electrodes 22 are vertically and horizontally arranged in pairs to homogenize the electrolysis process in the electrolytic tank 1. The anode electrodes 21 and the cathode electrodes 22 are respectively connected to the positive pole and the negative pole of an external power source. The intermediate induction electrodes 23 are arranged in the gaps between the anode electrodes 21 or the cathode electrodes 22 in the lateral direction. The intermediate induction electrodes 23 comprise an induction cathode part 231 close to the anode electrodes 21 and an induction anode part 232 close to the cathode electrodes 22. The intermediate induction electrodes 23 are arranged to reduce the movement distance of the cations and the anions in the dilute brine, accelerate the electrolysis speed, improve the electrolysis efficiency, reduce the current and the heat generated by the electrodes during the electrolysis process, and thus relieve the safety hazard problem.

[0028] With reference to Figure 3 The ultrasonic systems 3 for generating ultrasonic waves are arranged at the bottom and the middle of the side wall of the electrolytic tank 1. The ultrasonic system 3 arranged at the bottom of the electrolytic tank 1 is mainly used to generate ultrasonic waves for the dilute brine at the bottom and the middle of the electrolytic tank 1. The ultrasonic system 3 arranged at the middle of the side wall of the electrolytic tank 1 is mainly used to generate ultrasonic waves for the dilute brine at both sides of the electrolytic tank 1 to ensure that the ultrasonic waves generated by the ultrasonic systems 3 can comprehensively cover the area inside the electrolytic tank 1. The ultrasonic system 3 comprises an ultrasonic generator 31, an ultrasonic transducer 32, an ultrasonic amplitude transformer 33 and an ultrasonic probe 34 connected in sequence. The output ends of the ultrasonic generator 31, the ultrasonic transducer 32 and the ultrasonic amplitude transformer 33 are electrically connected to the input ends of the ultrasonic transducer 32, the ultrasonic amplitude transformer 33 and the ultrasonic probe 34 respectively. A plurality of ultrasonic probes 34 are arranged on the ultrasonic amplitude transformer 33.

[0029] In an optional embodiment, a plurality of fixing plates 24 are arranged in the electrode group 2 to fix the anode electrodes 21, the cathode electrodes 22 and the intermediate induction electrodes 23 in the electrode group 2. One end of each of the anode electrodes 21 and the cathode electrodes 22 is connected to the inner wall of the electrolytic tank 1. The ultrasonic system 3 arranged on the side wall of the electrolytic tank 1 is located between the side wall of the electrolytic tank 1 and the intermediate induction electrodes 23, i.e. the intermediate induction electrodes 23 do not contact the side wall of the electrolytic tank 1. The ultrasonic waves generated by the ultrasonic system 3 arranged on the side wall of the electrolytic tank 1 vibrate the anode electrodes 21, the cathode electrodes 22 and the intermediate induction electrodes 23 to prevent the scale from depositing on the anode electrodes 21, the cathode electrodes 22 and the intermediate induction electrodes 23 and prevent the generation of the scale.

[0030] Of course, the embodiments of the present specific embodiment are the preferred embodiments of the present application, not limited by the protection scope of the present application, so: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A scale-resistant sodium hypochlorite generator electrolytic cell, comprising an electrolytic cell tank (1), an electrode group (2) and a plurality of ultrasonic systems (3), the electrode group (2) is vertically arranged in the middle region of the electrolytic cell tank (1), characterized in that: The ultrasonic system (3) comprises an ultrasonic generator (31), an ultrasonic transducer (32), an ultrasonic amplitude lever (33) and an ultrasonic probe (34) connected in sequence, the output end of the ultrasonic generator (31) is electrically connected to the input end of the ultrasonic transducer (32), the output end of the ultrasonic transducer (32) is electrically connected to the input end of the ultrasonic amplitude lever (33), the output end of the ultrasonic amplitude lever (33) is electrically connected to the input end of the ultrasonic probe (34), a plurality of ultrasonic probes (34) are arranged on the ultrasonic amplitude lever (33), and the ultrasonic system (3) is arranged at the bottom and the middle of the side wall of the electrolytic cell tank body (1).

2. A scale resistant sodium hypochlorite generator electrolytic cell according to claim 1, characterized in that: The electrode group (2) comprises a plurality of anode electrodes (21), cathode electrodes (22) and intermediate induction electrodes (23), the anode electrodes (21) and the cathode electrodes (22) are connected with the positive electrode and the negative electrode of an external power source respectively, and the intermediate induction electrode (23) comprises an induced cathode part (231) close to the anode electrode (21) and an induced anode part (232) close to the cathode electrode (22).

3. A scale resistant sodium hypochlorite generator electrolytic cell according to claim 2, characterized in that: The anode electrodes (21) and the cathode electrodes (22) are arranged in pairs and vertically parallel, and the intermediate induction electrodes (23) are arranged in the gaps between the anode electrodes (21) or the cathode electrodes (22) at equal intervals in the transverse direction.

4. A scale resistant sodium hypochlorite generator electrolytic cell according to claim 1, characterized in that: A salt water inlet (4) is arranged at one side of the bottom of the electrolytic cell tank body (1), a sodium hypochlorite outlet (5) is arranged at the other side of the top of the electrolytic cell tank body (1), and a hydrogen discharge port (6) is arranged at the side of the top of the electrolytic cell tank body (1) away from the sodium hypochlorite outlet (5).

5. A scale resistant sodium hypochlorite generator electrolytic cell according to claim 2, characterized in that: A plurality of fixing plates (24) are arranged in the electrode group (2), the fixing plates (24) fix the anode electrodes (21), the cathode electrodes (22) and the intermediate induction electrodes (23) in the electrode group (2), one end of each of the anode electrodes (21) and the cathode electrodes (22) is connected to the inner wall of the electrolytic cell tank body (1), and the ultrasonic system (3) on the side wall of the electrolytic cell tank body (1) is located between the side wall of the electrolytic cell tank body (1) and the intermediate induction electrode (23).

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