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Help CenterIndustrial Grade Hypochlorous Acid Generator for Cooling Tower Disinfection – Full Automatic Control
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Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd. – a professional manufacturer with certification – proudly presents our Industrial Grade Hypochlorous Acid Generator for Cooling Tower Disinfection – Full Automatic Control. This advanced electrolysis system produces high-purity hypochlorous acid (HOCl) on-site, effectively eliminating biofilm, Legionella, and other pathogens in cooling water systems. With fully automatic PLC control and robust industrial design, you can achieve consistent disinfection while reducing chemical handling risks and operational costs.
Key Features & Technical Specifications
High-efficiency Electrolysis – Uses titanium alloy electrodes coated with mixed metal oxides (MMO) for maximum HOCl production and long service life.
Full Automatic Control – Integrated PLC with touch screen interface automatically adjusts production parameters, monitors system status, and logs data.
Safe & Environmentally Friendly – Only uses salt, water, and electricity; no hazardous chemical storage or transportation required. Produces low-concentration (≤500 ppm) HOCl for safe onsite use.
Cooling Tower Specific Design – Tailored dosing algorithms prevent scale formation and corrosion, compatible with most cooling water chemistries.
Remote Monitoring & Alarms – Optional connectivity (Modbus, Ethernet) for remote control and real-time alerts.
Compact & Robust Enclosure – IP54 rated, corrosion-resistant UPVC/PVC housing, suitable for harsh industrial environments.
| Parameter | Specification |
|---|---|
| HOCl Production Rate | 1 kg/h – 50 kg/h (customizable) |
| Effective Chlorine Concentration | 100 – 500 ppm (adjustable) |
| Salt Consumption | ~2.0 kg per kg HOCl produced |
| Water Consumption | ~20 L per kg HOCl (depending on water hardness) |
| Power Supply | AC 220V / 380V, 50/60Hz, 3-phase (optional single-phase) |
| Installed Power | 2.5 kW – 180 kW |
| Operating Temperature | 5°C – 45°C ambient |
| Control Interface | 7-inch HMI touch screen, PLC (Siemens/Mitsubishi optional) |
| Communication Protocol | Modbus RTU/TCP, Ethernet (optional) |
| Enclosure Rating | IP54 (custom IP65 available) |
| Warranty | 12 months (extended warranty upon request) |
Operational Advantages & Benefits
Reduces Chemical Costs – Eliminates the need for purchasing, transporting, and storing hazardous chlorine or biocide chemicals. Savings of up to 40% compared to traditional chemical dosing.
Improves Cooling Tower Efficiency – Continuous HOCl dosing prevents biofilm formation, reduces fouling, and maintains heat exchange efficiency, lowering energy consumption.
Minimizes Downtime – Automatic self-cleaning electrode system (optional) maintains consistent output with minimal manual intervention.
Enhances Safety – No dangerous chemicals on site; low-concentration HOCl degrades rapidly into harmless substances after use.
Easy Integration – Pre-configured for common cooling water monitoring parameters (pH, ORP, TDS); can be connected to existing BMS/SCADA systems.
Environmentally Responsible – Generates disinfectant only when needed, reducing overall chemical footprint and wastewater treatment load.
Trusted Quality & Global Reach
As a certified manufacturer, Tianjin ZLN Technology has been supplying industrial water treatment solutions to clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and domestic markets. All units are assembled and tested in our Tianjin factory, shipped from Tianjin Port with global logistics support. We provide comprehensive documentation, including electrical drawings, operation manuals, and remote technical assistance. Our dedicated after-sales team ensures prompt spare parts availability and on-site commissioning service.
Frequently Asked Questions (FAQ)
Q: How does the generator produce hypochlorous acid?
A: It electrolyzes a dilute salt (NaCl) solution in an electrolytic cell without a membrane. The process generates mixed oxidants, primarily HOCl, which is the active disinfecting species. The concentration can be precisely controlled by adjusting current and flow rate.Q: Is the HOCl safe for cooling tower materials?
A: Yes, at recommended dosing levels (typically 0.5–2 ppm free chlorine residual), HOCl is compatible with common cooling tower materials such as stainless steel, galvanized steel, PVC, and copper alloys. Our system includes corrosion inhibitor dosing options if needed.Q: What is the lifespan of the electrolytic cell?
A: The titanium alloy MMO electrodes typically last 10,000–15,000 operating hours under normal conditions. Regular automatic polarity reversal and cleaning cycles extend the life further. Replacement cells are readily available.Q: What water quality is required for the feed water?
A: The recommended feed water hardness should be below 150 ppm (as CaCO₃). For harder water, an optional water softener or scale inhibitor dosing unit can be integrated. Typical conductivity range: 300–3000 µS/cm.Q: How often does the system require maintenance?
A: The system is designed for minimal maintenance. Daily visual checks, weekly cleaning of the brine filter, and monthly inspection of the electrode are recommended. The PLC logs running hours and alerts for scheduled maintenance.Q: Can the unit be operated outdoor?
A: Yes, the standard enclosure is IP54 rated, which protects against dust and water splashes. For extreme weather conditions (direct rain, snow, high humidity), an optional weatherproof shelter or IP65 enclosure can be provided.Q: Do you provide installation and training?
A: Yes, we offer on-site commissioning and training for local teams, typically within 2–3 days. Remote video guidance is also available. Custom installation manuals in multiple languages can be supplied.Q: What is the lead time for delivery?
A: Standard models (up to 10 kg/h) have a lead time of 15–20 working days after order confirmation. Larger or customized units typically take 30–40 working days. Rush orders can be arranged upon request.
Contact Tianjin ZLN Technology today to discuss your cooling tower disinfection requirements. We offer customized solutions, competitive pricing, and comprehensive support to ensure your water treatment is efficient, safe, and cost-effective.
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