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Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd. is a professional manufacturer of seawater electrolysis chlorine generation systems specifically designed for marine aquaculture disinfection. With years of experience in electrochemical water treatment, we offer a reliable and cost-effective solution to produce sodium hypochlorite on-site directly from seawater, eliminating the need for hazardous chemical transportation and storage. Our system ensures continuous, safe, and efficient disinfection of aquaculture water, protecting fish, shrimp, and other marine species from pathogens while maintaining environmental sustainability.
The ZLN seawater electrolysis chlorine generation system uses advanced mixed metal oxide (MMO) coated titanium electrodes to electrolyze seawater, producing a high-concentration sodium hypochlorite solution. This solution is then dosed into the culture water to control bacteria, viruses, and algae. The system is fully automated, with a PLC controller and HMI touch screen that allows operators to adjust chlorine production rate, dosage, and monitor system status in real time. It is designed for continuous operation in harsh marine environments, with corrosion-resistant materials such as UPVC and FRP ensuring long service life.
Key Features & Technical Specifications
High Efficiency Electrodes: MMO coated titanium anodes and cathodes provide low energy consumption (4.5 kWh/kg Cl2) and high chlorine production efficiency.
Automatic Control: PLC-based system with touch screen interface enables automatic start/stop, flow control, and safety alarms.
Corrosion Resistance: All wetted parts are made of UPVC, titanium, or FRP to withstand seawater corrosion.
Compact Design: Skid-mounted unit saves space and simplifies installation – just connect seawater inlet, power, and dosing line.
Scalable Production: Available in models from 500 g/h to 5000 g/h chlorine equivalent, customizable for larger farms.
Low Maintenance: Self-cleaning electrode design and automatic acid flushing cycle reduce manual cleaning.
| Parameter | ZLN-500 | ZLN-1000 | ZLN-2000 |
|---|---|---|---|
| Chlorine Production (g/h) | 500 | 1000 | 2000 |
| Power Consumption (kW) | 2.5 | 5.0 | 10.0 |
| Seawater Flow Required (m³/h) | 0.5 | 1.0 | 2.0 |
| Output Hypochlorite Concentration (ppm) | 2000-3000 | 2000-3000 | 2000-3000 |
| Dimensions (L×W×H mm) | 800×600×1200 | 1000×800×1400 | 1200×800×1600 |
Benefits for Marine Aquaculture
Eliminates the need to purchase, transport, and store hazardous chlorine chemicals – improves farm safety.
On-site generation ensures consistent chlorine supply without supply chain disruptions.
Reduces operational costs compared to buying commercial sodium hypochlorite or chlorine gas.
Environmentally friendly – uses only seawater and electricity, no chemical byproducts.
Effective against a broad spectrum of pathogens, including Vibrio, Aeromonas, and white spot syndrome virus.
Improves water quality and reduces disease outbreaks, leading to higher survival rates and yield.
Trusted by Global Aquaculture Farms
As a manufacturer based in Tianjin, China, we have supplied our seawater electrolysis systems to aquaculture farms in North America, South America, Southeast Asia, Africa, Oceania, the Middle East, and Europe. Our products are shipped from Tianjin Port with reliable logistics support. We offer comprehensive after-sales service including online technical support, spare parts supply, and optional installation guidance. With a team of experienced engineers, we can customize the system to meet specific farm requirements, such as integration with existing water treatment lines or remote monitoring capabilities.
Frequently Asked Questions
Q: How does the seawater electrolysis system work?
A: The system passes seawater through an electrolytic cell containing titanium electrodes coated with mixed metal oxide. When DC current is applied, chloride ions in seawater are oxidized to chlorine, which immediately hydrolyzes to form sodium hypochlorite (NaClO). The hypochlorite solution is then injected into the aquaculture water for disinfection.Q: What is the typical chlorine production capacity needed for a marine aquaculture farm?
A: The required capacity depends on farm size, water exchange rate, and target pathogen load. As a general guideline, for a 1000 m³ shrimp pond, a 500 g/h system can provide adequate disinfection. We recommend contacting our engineering team for a customized sizing calculation.Q: Is the system safe to operate?
A: Yes. The system is designed with multiple safety features including hydrogen gas venting, automatic shutdown on abnormal conditions, and over-temperature protection. The produced hypochlorite solution is at a low concentration (2000-3000 ppm) and is safer to handle than concentrated chlorine gas or bleach.Q: What maintenance is required?
A: Routine maintenance includes periodic inspection of the electrodes (every 6 months), cleaning of the cell if scaling occurs, and checking the dosing pump and filters. The system includes an automatic acid flushing cycle to reduce scaling. Electrode lifespan is typically over 5 years under normal operation.Q: Can the system be used with brackish water or freshwater?
A: The system is specifically designed for seawater with salinity above 25 ppt. For brackish water, a higher voltage may be required, and we can customize the power supply. For freshwater, an additional salt dosing system is needed to achieve the required conductivity.Q: What is the power consumption per kilogram of chlorine produced?
A: Our system consumes approximately 4.5 kWh per kg of chlorine equivalent, making it energy-efficient compared to other on-site generation methods.Q: Do you provide installation and training?
A: Yes, we offer optional on-site installation supervision and training for your staff. For overseas customers, we provide detailed manuals, videos, and remote online support. Our team can also assist with commissioning via video call.Q: What is the warranty period?
A: We offer a standard 12-month warranty on the entire system, with extended warranty options available upon request. Electrodes are covered under separate terms based on usage.
Contact us today to discuss your specific requirements and receive a tailored quotation. Tianjin ZhuoLiNeng Technology Co., Ltd. – your reliable partner in sustainable aquaculture disinfection.
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