一种用于水处理消毒的微型次氯酸钠发生装置
By coordinating the dilute brine storage and transportation components, the sodium hypochlorite storage and transportation components, and the electrolytic cell components, and by improving the electrode components and equipping them with an intelligent controller, the problems of low electrode efficiency and system complexity in existing sodium hypochlorite generating devices have been solved, achieving miniaturized, safe, and efficient sodium hypochlorite preparation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU GENERAL TAP WATER CO LTD
- Filing Date
- 2025-08-13
- Publication Date
- 2026-07-17
AI Technical Summary
Existing sodium hypochlorite generators suffer from problems such as low electrode efficiency, complex systems, high failure rates, and weak anomaly monitoring capabilities.
The dilute brine storage and transportation components, sodium hypochlorite storage and transportation components, and electrolytic cell components work together in a coordinated manner. The electrode components are improved, the electrode surface area is increased, and liquid level protection and current protection functions are provided. Combined with an intelligent controller, quantitative and efficient preparation is achieved.
The sodium hypochlorite generator has been miniaturized, which facilitates flexible on-site layout, has high electrolysis efficiency, long service life, safe and reliable operation, and has anomaly monitoring function.
Smart Images

Figure CN224513641U_ABST
Abstract
Claims
1. A mini sodium hypochlorite generator for water treatment disinfection, characterized by: include A dilute brine storage and transportation assembly (1) includes a dilute brine tank (101) for storing dilute brine and a metering pump (102) for pumping dilute brine from the dilute brine tank (101). An electrolytic cell assembly (2) includes an electrolytic cell shell (201) and an electrode assembly (202) disposed within the electrolytic cell shell (201). The electrode assembly (202) includes two negative electrode plates (202a) and one positive electrode plate (202b). The positive electrode plate (202b) is disposed parallel or substantially parallel between the two negative electrode plates (202a). The electrolytic cell shell (201) has an inlet (204), an outlet (205), and an exhaust port (206). The inlet (204) is connected to a metering pump (102) for quantitatively supplying dilute brine into the electrolytic cell shell (201). Sodium hypochlorite storage and transportation assembly (3) includes a transfer pump (301) and a disinfectant tank (302). The outlet (205) is connected to the disinfectant tank (302) through the transfer pump (301) to transport the sodium hypochlorite solution generated by electrolysis into the disinfectant tank (302). A power module (4), which is connected to the electrode assembly (202), is used to provide the voltage and current required for electrolysis; The controller (5) is communicatively connected to the power module (4), the metering pump (102) and the delivery pump (301) respectively, and is used to control the operating parameters of the power module (4), the metering pump (102) and the delivery pump (301).
2. The compact sodium hypochlorite generator for water treatment disinfection according to claim 1, characterized in that: The cathode plate (202a) is a titanium plate, and the anode plate (202b) is a titanium plate with ruthenium-iridium coating on both sides; the plate spacing between the cathode plate (202a) and the anode plate (202b) is 10mm ± 0.5mm.
3. The miniature sodium hypochlorite generating device for water treatment disinfection according to claim 1, characterized in that: The negative electrode plate (202a) and the positive electrode plate (202b) are fixedly connected by bolts (202d), and an insulating sleeve (202c) is provided between the negative electrode plate (202a) and the positive electrode plate (202b).
4. The miniature sodium hypochlorite generating device for water treatment disinfection according to claim 1, characterized in that: Below the negative electrode plate (202a) and the positive electrode plate (202b), there is also a raised support (202e) to separate the electrode assembly (202) from the bottom of the electrolytic cell shell (201).
5. The miniature sodium hypochlorite generating device for water treatment disinfection according to claim 4, characterized in that: The outer shell (201) of the electrolytic cell includes a cell body (201a) and a cell cover (201b), wherein the cell body (201a) is made of transparent acrylic material.
6. The miniature sodium hypochlorite generating device for water treatment disinfection according to claim 1, characterized in that: The power module (4) also includes an electrolytic current detection circuit, an overcurrent protection circuit and a copper-based heat sink. The output voltage of the power module (4) is 5V and the maximum output current is 30A.
7. The miniature sodium hypochlorite generating device for water treatment disinfection according to claim 1, characterized in that: The delivery pump (301) is a peristaltic pump, the disinfectant tank (302) is connected to the disinfectant dosing system, and the controller (5) is communicatively connected to the control system in the disinfectant dosing system.
8. The compact sodium hypochlorite generator for water treatment disinfection according to any one of claims 1 to 7, characterized in that: A dilute salt water level sensor (103) is installed inside the dilute salt water tank (101), an electrolysis level sensor (203) is installed inside the electrolysis cell shell (201), and a disinfectant level sensor (303) is installed inside the disinfectant tank (302). The dilute salt water level sensor (103), the electrolysis level sensor (203), and the disinfectant level sensor (303) are all connected to the controller (5) in communication.
9. The micro sodium hypochlorite generator for water treatment disinfection according to claim 8, characterized in that: The dilute brine level sensor (103) has a high level probe and a low level probe. The high level probe is used to remind the user to add dilute brine when the brine level in the dilute brine tank (101) is lower than the location of the high level probe. The low level probe is used to stop the metering pump (102) from running when the brine level in the dilute brine tank (101) is too low. The electrolyte level sensor (203) includes a low level sensor (203a), a medium level sensor (203b), and a high level sensor (203c). The low level sensor (203a) is used to cut off the power module (4) when the liquid level inside the electrolytic cell shell (201) is too low. The medium level sensor (203b) is used to start the electrolysis operation when the liquid level inside the electrolytic cell shell (201) reaches the position of the medium level sensor (203b). The high level sensor (203c) is used to issue an abnormal alarm signal when the liquid level inside the electrolytic cell shell (201) is too high. The disinfectant level sensor (303) has a high level probe, a medium level probe and a low level probe. The high level probe is used to trigger an abnormal alarm signal when the liquid level in the disinfectant tank (302) is too high. The medium level probe is used to send a signal to the controller (5) that the electrolysis operation is not allowed when the liquid level in the disinfectant tank (302) reaches the position of the medium level probe. The low level probe is used to send a signal to the controller (5) that the electrolysis operation is allowed when the liquid level in the disinfectant tank (302) is lower than the lower limit.
10. The compact sodium hypochlorite generating device for water treatment disinfection according to claim 9, characterized in that: The dilute salt water level sensor (103), the electrolysis level sensor (203), and the disinfectant level sensor (303) are external capacitive level sensor groups.