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Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd. proudly presents our Low Power Consumption Seawater Electrolysis Chlorination System — a compact, skid-mounted solution designed for efficient on-site chlorine generation. With PLC automatic control and minimal energy consumption, this system offers a reliable and cost-effective alternative to chemical chlorine dosing. As a direct manufacturer based in Tianjin, China, we ensure rigorous quality control and fast global shipping to markets including North America, South America, Europe, Southeast Asia, the Middle East, and beyond.
Our system uses raw seawater as feedstock, producing sodium hypochlorite electrolytically to disinfect water in marine cooling systems, offshore platforms, desalination plants, and aquaculture farms. The skid-mounted design simplifies installation, while the low power consumption significantly reduces operational costs. With ZLN's advanced PLC control, the system operates automatically, requiring minimal manual intervention — ideal for remote or unattended sites.
Key Features & Benefits
Low Power Consumption: Advanced electrode design and optimized DC power supply reduce energy usage by up to 30% compared to conventional systems, lowering your electricity bill.
PLC Automatic Control: Touch-screen interface with programmable logic controller (PLC) enables automatic start/stop, flow adjustment, and real-time monitoring of chlorine production, temperature, and current density.
Skid Mounted Design: Factory-assembled on a rugged steel frame, the system integrates all components (electrolyzer, rectifier, control panel, pump, and piping) for quick on-site installation — just connect seawater inlet and power supply.
Durable Materials: Titanium electrodes coated with mixed metal oxides (MMO) ensure long service life (5–8 years) and high corrosion resistance in seawater. Housing options include PVC, FRP, or titanium for extreme conditions.
Safe & Eco-Friendly: No chlorine gas storage or transport; produces dilute hypochlorite (0.5–2 g/L) that is safe and biodegradable. No hazardous chemical handling required.
Flexible Capacity: Available in standard models from 0.5 kg/h to 50 kg/h Cl₂ equivalent, with custom designs for larger capacities upon request.
Remote Monitoring (Optional): Optional SCADA integration and remote alarm system for real-time data access and control via mobile or web.
Technical Specifications
| Parameter | Value |
| Chlorine Production Capacity | 0.5 – 50 kg/h (Cl₂ equivalent) |
| Power Consumption | 4.5 kWh/kg Cl₂ (typical) |
| Seawater Flow Rate | 1 – 20 m³/h (depending on capacity) |
| Output Hypochlorite Concentration | 0.5 – 2.0 g/L (adjustable) |
| Power Supply | 380V / 440V / 480V, 50/60Hz, 3-phase |
| Control System | PLC + HMI touch screen |
| Skid Dimensions | Customizable (e.g., 2.5m x 1.5m x 2.0m) |
| Operating Temperature | 0°C – 45°C |
Why Choose ZLN Technology?
As a factory-direct manufacturer in Tianjin, China, we have supplied over 200 seawater electrolysis systems to clients across 20+ countries. Our skid-mounted, PLC-automated design has been proven in demanding environments — from offshore oil platforms in the North Sea to coastal desalination plants in the Middle East. We offer customizable solutions tailored to your specific seawater quality and production needs, with a standard 12-month warranty and responsive after-sales support.
Our engineering team can assist with system design, commissioning, and training. We ship globally from Tianjin Port, with typical lead times of 30–45 days. Whether you need a low-power chlorination system for a new project or a retrofit for an existing facility, ZLN is your trusted partner in marine disinfection.
Frequently Asked Questions
1. What is the typical power consumption of this system?
Our system consumes approximately 3.5–4.5 kWh per kilogram of chlorine equivalent produced, depending on seawater temperature and salinity. This is among the lowest in the industry, thanks to our optimized electrode coatings and power supply design.
2. How does the PLC automatic control work?
The PLC automatically adjusts the DC current and flow rate based on pre-set production targets and real-time feedback from sensors (temperature, conductivity, flow). The HMI touch screen allows operators to set parameters, view trends, and receive alarms. The system can also be integrated with a SCADA or remote monitoring system (optional).
3. Is the skid mounted design easy to install?
Yes, the entire system is pre-assembled on a steel skid at our factory. On-site, you only need to connect the seawater inlet, discharge line, and power supply. Installation typically takes 1–2 days with a local technician. We provide detailed installation manuals and remote support.
4. What materials are used for the electrodes and housing?
The electrodes are titanium coated with Mixed Metal Oxides (MMO) — a standard for seawater electrolysis. The electrolyzer housing is typically made of PVC or FRP for corrosion resistance. For high-salinity or high-temperature seawater, we can offer titanium housing as an option. All materials are selected for durability and long service life.
5. Can the system operate in cold seawater (below 5°C)?
Yes, but the chlorine production efficiency may decrease slightly at low temperatures. Our system is designed to operate in 0–45°C seawater. For colder climates, we recommend adding a seawater preheater or increasing the electrode surface area. We can provide a customized solution upon request.
6. What maintenance is required?
Routine maintenance includes periodic cleaning of the electrodes (every 3–6 months, depending on fouling), checking the rectifier and control panel, and replacing the seawater filter. The system is designed for low maintenance — the PLC will alert you when cleaning is needed. We provide a comprehensive maintenance manual and spare parts list.
7. Do you provide after-sales support and warranty?
Yes, we offer a standard 12-month warranty on all components. Our technical support team is available via email, phone, or video call. We also provide spare parts packages and can arrange on-site commissioning if needed. For large projects, we can offer extended warranty options.
8. How long does delivery take?
Typical production lead time is 30–45 days after order confirmation. We ship via sea freight from Tianjin Port. Faster delivery may be available for standard models. Contact us for current stock availability.
Contact us today for a customized quotation or technical discussion. With ZLN's proven expertise and global shipping experience, you can trust our Low Power Consumption Seawater Electrolysis Chlorination System to deliver reliable disinfection with minimal energy and operating costs.
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