Electrolytic bath for sodium hypochlorite generator

Abstract

The utility model discloses an electrolytic bath for a sodium hypochlorite generator, which comprises an electrolytic bath body, the electrolytic bath body is of a columnar structure, an electrode is mounted in the electrolytic bath body and consists of a plurality of groups of electrode plates, and a plurality of groups of partition plates are uniformly distributed in the electrolytic bath body at equal intervals. A liquid inlet and a liquid outlet are formed in one end of the electrolytic bath body, a liquid inlet pipe and a liquid outlet pipe are arranged in the electrolytic bath body, one end of the liquid inlet pipe and one end of the liquid outlet pipe are connected with the liquid inlet and the liquid outlet respectively, and the other end of the liquid inlet pipe and the other end of the liquid outlet pipe sequentially penetrate through each group of partition plates and extend into the electrolytic bath body; and a plurality of groups of pipe holes are uniformly distributed in the liquid inlet pipe and the liquid outlet pipe and are used for discharging a stock solution into the electrolytic bath body and discharging reacted sodium hypochlorite at the same time. The utility model relates to the technical field of sodium chlorate production, and particularly provides an electrolytic bath for a sodium hypochlorite generator.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium chlorate production, in particular to an electrolytic cell used for a sodium hypochlorite generator. Background Art

[0002] Sodium hypochlorite is an inorganic compound with strong oxidizing and bleaching properties. It can destroy the structure of bacteria and viruses, kill their biological activity, and play a role in disinfection and sterilization. Sodium hypochlorite is also widely used in water treatment, food processing, chemical bleaching and other fields.

[0003] Currently, the commonly used methods for producing sodium hypochlorite include the sodium hydroxide absorption chlorine method and the electrolysis of salt water method. The electrolysis of salt water method uses a sodium hypochlorite generator to prepare sodium hypochlorite by electrolyzing salt water. The electrolytic cell is an essential core component for the electrolytic production of sodium hypochlorite. The electrolytic cell consists of a cell body, a cathode, and an anode. After long-term use, the cell body will produce scale and needs to be cleaned. Generally, it needs to be disassembled for cleaning, which is more troublesome. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the cleaning efficiency is low and the cleaning is inconvenient when the electrolytic cell is frequently disassembled.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: The present invention proposes an electrolytic cell for a sodium hypochlorite generator, comprising an electrolytic cell body, the electrolytic cell body being a columnar structure, electrodes being installed inside the electrolytic cell body, the electrodes being composed of multiple groups of electrode plates, multiple groups of partition plates being evenly distributed in the electrolytic cell body at equal intervals, a liquid inlet and a liquid outlet being provided at one end of the electrolytic cell body, a liquid inlet pipe and a liquid outlet pipe being provided in the electrolytic cell body, one end of the liquid inlet pipe and the liquid outlet pipe being connected to the liquid inlet and the liquid outlet respectively, the other ends of the liquid inlet pipe and the liquid outlet pipe being passed through each group of partition plates in turn and extending into the interior of the electrolytic cell body, multiple groups of pipe holes being evenly distributed on the liquid inlet pipe and the liquid outlet pipe for discharging the raw liquid into the interior of the electrolytic cell body and discharging the sodium hypochlorite that has completed the reaction.

[0006] Preferred technical solution 1: The electrolytic cell body is also provided with a cooling chamber, a temperature sensor is provided in the cooling chamber, a water inlet pipe is provided above one end of the cooling chamber, and a return pipe is provided below one end of the cooling chamber. An external water source is connected through the water inlet pipe and the return pipe to continuously cool the outer surface of the electrolytic cell body, making the electrolysis reaction more stable.

[0007] Preferred technical solution two: An exhaust assembly is also provided in the electrolytic cell body, and the exhaust assembly includes an exhaust pipe and an air collecting hood. The air collecting hoods are provided in multiple groups and are installed on the inner top wall of the electrolytic cell body. The exhaust pipe is provided between two adjacent groups of air collecting hoods. An exhaust port is provided at the other end of the electrolytic cell body, and the exhaust port is connected to the nearest group of exhaust pipes.

[0008] Preferred technical solution three: also includes a sewage discharge bin, which is installed at the bottom of the cooling bin. A sewage discharge pipe is provided on the electrolytic cell body. The lower end of the sewage discharge pipe passes through the cooling bin and extends to the interior of the sewage discharge bin. The middle part of the sewage discharge bin is concave, and a sewage main pipe is provided at the bottom of the sewage discharge bin.

[0009] Preferred technical solution four: A control display screen is provided on the side wall of the sewage discharge bin, and a solenoid valve is provided on the sewage discharge pipe. The solenoid valve and the temperature sensor are both electrically connected to the control display screen.

[0010] Preferred technical solution five: The electrolytic cell body is made of polyvinyl chloride, polyethylene, or polytetrafluoroethylene, and has good corrosion resistance.

[0011] The utility model proposes an electrolytic cell for a sodium hypochlorite generator, which has the following beneficial effects by adopting the above structure:

[0012] (1) The electrolytic cell body is provided with a sewage discharge bin, which is connected to the electrolytic cell body through a sewage discharge pipe. The electrolytic cell body is flushed by injecting an acidic solution from the liquid inlet. The dirt and impurities after flushing are collected through the sewage discharge bin, and there is no need to disassemble the electrolytic cell body for cleaning;

[0013] (2) The temperature of the electrolytic cell body is monitored in real time by the cooling chamber and temperature sensor, so that the reaction is in a more stable temperature range.

[0014] (3) The exhaust pipe and gas collecting hood are effectively used to collect and discharge the hydrogen generated after electrolysis. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of an electrolytic cell for a sodium hypochlorite generator proposed in the present invention;

[0017] Figure 2 This is a schematic diagram of the internal structure of an electrolytic cell for a sodium hypochlorite generator proposed in this utility model. Figure 1 ;

[0018] Figure 3 This is a schematic diagram of the internal structure of an electrolytic cell for a sodium hypochlorite generator proposed in this utility model. Figure 2 .

[0019] Among them, 1. electrolytic cell body, 2. electrode, 3. partition plate, 4. liquid inlet, 5. liquid outlet, 6. liquid inlet pipe, 7. liquid outlet pipe, 8. pipe hole, 9. cooling chamber, 10. water inlet pipe, 11. return pipe, 12. exhaust pipe, 13. gas collecting hood, 14. exhaust port, 15. sewage chamber, 16. sewage pipe, 17. sewage main pipe, 18. control display screen. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the accompanying drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0022] Example 1

[0023] like Figures 1 to 3 As shown, the technical solution adopted by the present invention is as follows: an electrolytic cell for a sodium hypochlorite generator, comprising an electrolytic cell body 1, the electrolytic cell body 1 being a columnar structure, an electrode 2 being installed inside the electrolytic cell body 1, the electrode 2 being composed of a plurality of groups of electrode plates 2, a plurality of groups of partition plates 3 being evenly distributed in the electrolytic cell body 1, a liquid inlet 4 and a liquid outlet 5 being provided at one end of the electrolytic cell body 1, a liquid inlet pipe 6 and a liquid outlet pipe 7 being provided in the electrolytic cell body 1, one end of the liquid inlet pipe 6 and the liquid outlet pipe 7 being connected to the liquid inlet 4 and the liquid outlet 5 respectively, the other end of the liquid inlet pipe 6 and the liquid outlet pipe 7 sequentially passing through each group of partition plates 3 and extending into the interior of the electrolytic cell body 1, a plurality of groups of pipe holes 8 being evenly distributed on the liquid inlet pipe 6 and the liquid outlet pipe 7 for discharging the raw liquid into the interior of the electrolytic cell body 1 and discharging the sodium hypochlorite that has completed the reaction;

[0024] The electrolytic cell body 1 is also provided with a cooling chamber 9, in which a temperature sensor is provided, a water inlet pipe 10 is provided above one end of the cooling chamber 9, and a return pipe 11 is provided below one end of the cooling chamber 9. An external water source is connected through the water inlet pipe 10 and the return pipe 11 to continuously cool the outer surface of the electrolytic cell body 1, so that the electrolysis reaction is more stable; an exhaust assembly is also provided in the electrolytic cell body 1, and the exhaust assembly includes an exhaust pipe 12 and an air collecting hood 13. The air collecting hood 13 is provided in multiple groups and is installed on the inner top wall of the electrolytic cell body 1. The exhaust pipe 12 is provided between two adjacent groups of air collecting hoods 13. An exhaust port 14 is provided at the other end of the electrolytic cell body 1, and the exhaust port 14 is connected to the nearest group of exhaust pipes 12.

[0025] Preferred technical solution three: also includes a sewage discharge bin 15, which is installed at the bottom of the cooling bin 9. A sewage discharge pipe 16 is provided on the electrolytic cell body 1. The lower end of the sewage discharge pipe 16 passes through the cooling bin 9 and extends to the interior of the sewage discharge bin 15. The middle part of the sewage discharge bin 15 is concave, and a sewage main pipe 17 is provided at the bottom of the sewage discharge bin 15.

[0026] Preferred technical solution four: A control display screen 18 is provided on the side wall of the sewage discharge bin 15 , and a solenoid valve is provided on the sewage discharge pipe 16 . The solenoid valve and the temperature sensor are both electrically connected to the control display screen 18 .

[0027] Preferred technical solution five: The electrolytic cell body 1 is made of polyvinyl chloride, polyethylene, or polytetrafluoroethylene, which has good corrosion resistance.

[0028] Example 2

[0029] Based on the first embodiment, Figure 3 As shown, it also includes a sewage discharge bin 15, which is installed at the bottom of the cooling bin 9. A sewage discharge pipe 16 is provided on the electrolytic cell body 1. The lower end of the sewage discharge pipe 16 passes through the cooling bin 9 and extends to the interior of the sewage discharge bin 15. The middle part of the sewage discharge bin 15 is concave, and a sewage main pipe 17 is provided at the bottom of the sewage discharge bin 15; a control display screen 18 is provided on the side wall of the sewage discharge bin 15, and a solenoid valve is provided on the sewage discharge pipe 16. The solenoid valve and the temperature sensor are electrically connected to the control display screen 18; the electrolytic cell body 1 is made of polyvinyl chloride, polyethylene, or polytetrafluoroethylene, and has good corrosion resistance.

[0030] During specific use, sodium chloride solution is injected into the electrolytic cell body 1 through the liquid inlet pipe 6 and discharged into the electrolysis unit formed by multiple groups of partition plates 3 through the liquid inlet port 4. Electrolysis is carried out by the electrode 2 to produce sodium hypochlorite and hydrogen. The sodium hypochlorite is discharged through the liquid outlet pipe 7 and the liquid outlet port 5 in turn. The hydrogen rises and is collected by the gas collecting hood 13 and discharged through the exhaust pipe 12. Cooling water is injected into the cooling bin 9 through the water inlet pipe 10, and the water is circulated through the return pipe 11. The internal reaction temperature is monitored by a temperature sensor. When the electrolytic cell body 1 needs to be cleaned, it is only necessary to inject acid cleaning solution from the liquid inlet pipe 6 and the liquid outlet pipe 7 for flushing. The generated dirt and impurities are discharged into the sewage bin 15 through the sewage pipe 16 for collection and centralized cleaning. There is no need to disassemble the electrolytic cell body 1 for cleaning.

[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, material, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, material, or apparatus.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electrolytic cell for a sodium hypochlorite generator, comprising an electrolytic cell body, characterized in that: The electrolytic cell body is arranged in a columnar structure, and electrodes are installed inside the electrolytic cell body, and the electrodes are composed of multiple groups of electrode plates. Multiple groups of partition plates are evenly distributed inside the electrolytic cell body, and a liquid inlet and a liquid outlet are provided at one end of the electrolytic cell body. A liquid inlet pipe and a liquid outlet pipe are provided inside the electrolytic cell body, and one end of the liquid inlet pipe and the liquid outlet pipe are respectively connected to the liquid inlet and the liquid outlet, and the other end of the liquid inlet pipe and the liquid outlet pipe passes through each group of partition plates in turn and extends to the interior of the electrolytic cell body, and multiple groups of pipe holes are evenly distributed on the liquid inlet pipe and the liquid outlet pipe.

2. The electrolytic cell for a sodium hypochlorite generator according to claim 1, wherein: The electrolytic cell body is also provided with a cooling chamber, in which a temperature sensor is provided. A water inlet pipe is provided above one end of the cooling chamber, and a water return pipe is provided below one end of the cooling chamber.

3. The electrolytic cell for a sodium hypochlorite generator according to claim 2, wherein: An exhaust assembly is also provided in the electrolytic cell body, and the exhaust assembly includes an exhaust pipe and an air collecting hood. The air collecting hoods are provided in multiple groups and are installed on the inner top wall of the electrolytic cell body. The exhaust pipe is provided between two adjacent groups of air collecting hoods. An exhaust port is provided at the other end of the electrolytic cell body, and the exhaust port is connected to the nearest group of exhaust pipes.

4. The electrolytic cell for a sodium hypochlorite generator according to claim 3, wherein: It also includes a sewage discharge bin, which is installed at the bottom of the cooling bin. A sewage discharge pipe is provided on the electrolytic cell body. The lower end of the sewage discharge pipe passes through the cooling bin and extends to the interior of the sewage discharge bin. The middle part of the sewage discharge bin is concave, and a sewage main pipe is provided at the bottom of the sewage discharge bin.

5. The electrolytic cell for a sodium hypochlorite generator according to claim 4, wherein: A control display screen is provided on the side wall of the sewage discharge bin, and a solenoid valve is provided on the sewage discharge pipe. The solenoid valve and the temperature sensor are both electrically connected to the control display screen.

6. The electrolytic cell for a sodium hypochlorite generator according to claim 5, wherein: The electrolytic cell body is made of polyvinyl chloride, polyethylene, or polytetrafluoroethylene.

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