Sodium hypochlorite generator based on reverse osmosis water softening device
By adopting reverse osmosis water softening device in the sodium hypochlorite generator, the problems of unstable water quality and incomplete salt regeneration in traditional systems are solved, and efficient and stable sodium hypochlorite production is achieved, reducing energy consumption and labor costs.
Patent Information
- Application Number
- CN202421784299.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-26
AI Technical Summary
Traditional sodium hypochlorite generators adopt ordinary water quality softening system, resulting in unstable water quality, incomplete salt regeneration, electrode scaling, reduced efficiency, increased power and salt consumption, and require someone to be on duty.
The sodium hypochlorite generator based on the reverse osmosis softening water device is used. After the water source is driven by the raw water pump through the quartz sand, activated carbon and security filter, the water is driven through the high-pressure pump to flow through the reverse osmosis membrane. The purified water is mixed with the salt in the salt dissolved tank and stirred through the stirring rod driven by the motor. Finally, sodium hypochlorite is electrolyzed in the electrolytic tank to obtain.
It achieves stable water quality and thorough salt regeneration, avoids electrode scaling, reduces power and salt consumption, and does not require manual duty.
Smart Images
Figure CN222893077U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sodium hypochlorite generators, in particular to a sodium hypochlorite generator based on a reverse osmosis water softening device. Background Art
[0002] In actual production, sodium hypochlorite generators are generally used to prepare sodium hypochlorite on site. Sodium hypochlorite generators generate sodium hypochlorite solution by electrolyzing salt water. Ordinary sodium hypochlorite generators are composed of salt dissolving device, filtration device, proportioning device, electrolysis motor, rectifier power supply, automatic control system, storage and dosing, etc. The disinfection principle of sodium hypochlorite is to form hypochlorous acid by hydrolysis.
[0003] Traditional sodium hypochlorite generators use ordinary water softening systems, which result in unstable water quality and incomplete salt regeneration, leading to scaling of the sodium hypochlorite generator electrodes, reduced efficiency, increased power and salt consumption, and the need for human supervision to add softening salt as needed. Utility Model Content
[0004] The purpose of the utility model is to provide a sodium hypochlorite generator based on a reverse osmosis water softening device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sodium hypochlorite generator based on a reverse osmosis water softening device comprises a raw water pump having one end connected to one end of an external water source, the other end of the raw water pump is connected to one end of a quartz sand filter through a pipeline, and the other end of the quartz sand filter is connected to one end of an activated carbon filter through a pipeline, the other end of the activated carbon filter is connected to one end of a security filter through a pipeline, and the other end of the security filter is connected to one end of a high-pressure pump through a pipeline, the other end of the high-pressure pump is connected to one end of a reverse osmosis membrane through a pipeline, and the other end of the reverse osmosis membrane is connected to one end of a salt dissolving box through a pipeline, the top of the salt dissolving box is provided with a salt injection port connected to the interior thereof, and the other end of the salt dissolving box is connected to a plurality of electrolytic cells connected in series through a pipeline, one end of one of the electrolytic cells is connected to one end of a storage tank through a pipeline.
[0006] Preferably, a motor is fixedly installed at the center position of the top of the salt dissolving box, and a rotating shaft is fixedly installed at the output end of the motor through a coupling.
[0007] Preferably, the bottom end of the rotating shaft is rotatably connected with the top end of the salt dissolving box and extends into the salt dissolving box, and a plurality of stirring rods are symmetrically installed on both sides of the rotating shaft.
[0008] Preferably, there are three electrolytic cells, and the top of each electrolytic cell is connected to one end of the recovery tank through a pipeline.
[0009] Preferably, the three electrolytic cells are connected in series through a pipeline, and one end of the electrolytic cell away from the salt dissolving box is connected to one end of the storage tank through a pipeline.
[0010] Preferably: a liquid level gauge is provided in the storage tank.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] The utility model can use tap water as the external water source. One end of the raw water pump is connected to one end of the tap water pipe. The raw water pump drives the water source to enter the quartz sand filter and the activated carbon filter in sequence to remove suspended solids, organic matter, chromaticity and odor, as well as part of the residual chlorine in the water. At the same time, a security filter is provided to prevent large particles from entering the reverse osmosis membrane to avoid damage to the protective membrane. Then, the high-pressure pump provides sufficient pressure to pass the water through the reverse osmosis membrane so that the water can be purified. The purified water enters the salt dissolving box, and salt is added to the salt dissolving box through the salt injection port. The motor drives the water to pass through the reverse osmosis membrane. The driving end of the rotary shaft is driven to rotate, so that the salt water mixing process is stirred by the rotation of multiple stirring rods, and then the salt solution in the salt dissolving box is pumped into multiple electrolytic cells connected in series for electrolysis to obtain sodium hypochlorite. The preparation of sodium hypochlorite by electrolysis of sodium chloride solution has been fully disclosed in the prior art and will not be repeated here. The obtained sodium hypochlorite is sent to a storage tank through a pipeline for storage and standby use, and the gas generated by electrolysis is processed. The recovery tank is filled with a sodium hydroxide solution with a mass fraction of 18% for chlorine recovery and treatment, and the waste gas is discharged from one side of the recovery tank. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model.
[0014] In the figure: 1. Raw water pump; 2. Quartz sand filter; 3. Activated carbon filter; 4. Security filter; 5. High-pressure pump; 6. Reverse osmosis membrane; 7. Salt dissolving box; 8. Salt inlet; 9. Electrolytic cell; 10. Storage tank; 11. Recovery tank; 12. Motor; 13. Rotating shaft; 14. Stirring rod. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] Embodiment 1
[0017] See also Figure 1The sodium hypochlorite generator based on the reverse osmosis softening water device shown in the figure includes a raw water pump 1 whose one end is connected to one end of an external water source, the other end of the raw water pump 1 is connected to one end of a quartz sand filter 2 through a pipeline, and the other end of the quartz sand filter 2 is connected to one end of an activated carbon filter 3 through a pipeline, the other end of the activated carbon filter 3 is connected to one end of a security filter 4 through a pipeline, and the other end of the security filter 4 is connected to one end of a high-pressure pump 5 through a pipeline, the other end of the high-pressure pump 5 is connected to one end of a reverse osmosis membrane 6 through a pipeline, and the other end of the reverse osmosis membrane 6 is connected to one end of a salt dissolving box 7 through a pipeline, the top of the salt dissolving box 7 is provided with a salt injection port 8 connected to the interior thereof, and the other end of the salt dissolving box 7 is connected to a plurality of electrolytic cells 9 connected in series through a pipeline, and one end of one of the electrolytic cells 9 is connected to one end of a storage tank 10 through a pipeline.
[0018] In this embodiment, a motor 12 is fixedly installed at the center position of the top of the salt dissolving box 7, and a rotating shaft 13 is fixedly installed at the output end of the motor 12 through a coupling. The bottom end of the rotating shaft 13 is rotatably penetrated by the top of the salt dissolving box 7 and extends into the interior of the salt dissolving box 7, and a number of stirring rods 14 are symmetrically installed on both sides of the rotating shaft 13. There are three electrolytic cells 9, and the top of each electrolytic cell 9 is connected to one end of the recovery tank 11 through a pipeline. The three electrolytic cells 9 are connected in series through a pipeline, and one end of the electrolytic cell 9 away from the side of the salt dissolving box 7 is connected to one end of the storage tank 10 through a pipeline, and a liquid level meter is arranged in the storage tank 10.
[0019] Furthermore, the external water source can be tap water. One end of the raw water pump 1 is connected to one end of the tap water pipe. The raw water pump 1 drives the water source to enter the quartz sand filter 2 and the activated carbon filter 3 in sequence to remove suspended solids, organic matter, color and odor, and part of the residual chlorine in the water. At the same time, a security filter 4 is provided to prevent large particles from entering the reverse osmosis membrane 6 to avoid damage to the protective membrane. Then, the high-pressure pump 5 provides sufficient pressure to pass the water through the reverse osmosis membrane 6 to purify the water. The purified water enters the salt dissolving box 7, and salt is added to the salt dissolving box 7 through the salt injection port 8. The motor 12 drives the water to pass through the reverse osmosis membrane 6. The driving end of the rotary shaft 13 is driven to rotate, so that the salt water mixing process is stirred by the rotation of multiple stirring rods 14, and then the salt solution in the salt dissolving box 7 is pumped into multiple electrolytic cells 9 connected in series for electrolysis to obtain sodium hypochlorite. The preparation of sodium hypochlorite by electrolysis of sodium chloride solution has been fully disclosed in the prior art and will not be repeated here. The obtained sodium hypochlorite is sent to the storage tank 10 through a pipeline for storage and standby use, and the gas generated by electrolysis is processed. The recovery tank 11 is filled with a sodium hydroxide solution with a mass fraction of 18% for chlorine recovery and treatment, and the waste gas is discharged from one side of the recovery tank 11.
[0020] The working principle of the utility model is as follows: the external water source can be tap water, one end of the raw water pump 1 is connected to one end of the tap water pipe, and the raw water pump 1 drives the water source to enter the quartz sand filter 2 and the activated carbon filter 3 in sequence to remove suspended solids, organic matter, chromaticity and odor, as well as part of the residual chlorine in the water. At the same time, a security filter 4 is provided to prevent large particles from entering the reverse osmosis membrane 6 to avoid damage to the protective membrane. Then, the high-pressure pump 5 provides sufficient pressure to pass the water through the reverse osmosis membrane 6 to purify the water. The purified water enters the salt dissolving box 7, and salt is added to the salt dissolving box 7 through the salt injection port 8. At the motor 1 2 is driven to drive the driving end thereof to drive the rotating shaft 13 to rotate, thereby stirring the salt water mixing process through the rotation of multiple stirring rods 14, and then the salt solution in the salt dissolving box 7 is pumped into multiple electrolytic cells 9 connected in series for electrolysis to obtain sodium hypochlorite. The preparation of sodium hypochlorite by electrolysis of sodium chloride solution has been fully disclosed in the prior art and will not be repeated here. The obtained sodium hypochlorite is sent to the storage tank 10 through a pipeline for storage and standby use, and the gas generated by electrolysis is processed. The recovery tank 11 is filled with a sodium hydroxide solution with a mass fraction of 18% for chlorine recovery and treatment, and the waste gas is discharged from one side of the recovery tank 11.
[0021] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A sodium hypochlorite generator based on a reverse osmosis water softening device, comprising a raw water pump (1) having one end connected to an external water source, characterized in that: The other end of the raw water pump (1) is connected to one end of the quartz sand filter (2) through a pipeline, and the other end of the quartz sand filter (2) is connected to one end of the activated carbon filter (3) through a pipeline, the other end of the activated carbon filter (3) is connected to one end of the security filter (4) through a pipeline, and the other end of the security filter (4) is connected to one end of the high-pressure pump (5) through a pipeline, the other end of the high-pressure pump (5) is connected to one end of the reverse osmosis membrane (6) through a pipeline, and the other end of the reverse osmosis membrane (6) is connected to one end of the salt dissolving box (7) through a pipeline, the top of the salt dissolving box (7) is provided with a salt injection port (8) connected to the interior thereof, and the other end of the salt dissolving box (7) is connected to a plurality of electrolytic cells (9) connected in series through a pipeline, and one end of one of the electrolytic cells (9) is connected to one end of the storage tank (10) through a pipeline.
2. The sodium hypochlorite generator based on the reverse osmosis softening water device according to claim 1, characterized in that: A motor (12) is fixedly mounted at the center of the top end of the salt dissolving box (7), and a rotating shaft (13) is fixedly mounted at the output end of the motor (12) via a coupling.
3. The sodium hypochlorite generator based on the reverse osmosis softening water device according to claim 2, characterized in that: The bottom end of the rotating shaft (13) is rotatably connected with the top end of the salt dissolving box (7) and extends into the inside of the salt dissolving box (7), and a plurality of stirring rods (14) are symmetrically installed on both sides of the rotating shaft (13).
4. The sodium hypochlorite generator based on the reverse osmosis softening water device according to claim 3, characterized in that: There are three electrolytic cells (9), and the top of each electrolytic cell (9) is connected to one end of a recovery tank (11) through a pipeline.
5. The sodium hypochlorite generator based on the reverse osmosis water softening device according to claim 4, characterized in that: The three electrolytic cells (9) are connected in series via a pipeline, and one end of the electrolytic cell (9) away from the salt dissolving box (7) is connected to one end of the storage tank (10) via a pipeline.
6. The sodium hypochlorite generator based on the reverse osmosis water softening device according to claim 5, characterized in that: A liquid level meter is arranged in the storage tank (10).