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Help CenterPlug-Play Liquid Chlorine Dosing Skid With Fully Automatic Control and Low Salt Requirement (NACL>89%)
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Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd. is a professional manufacturer specializing in advanced water treatment and chemical dosing solutions. With products exported to over 20 countries across North America, South America, Europe, Africa, and Asia, we bring years of expertise to every system we build. Our Plug-Play Liquid Chlorine Dosing Skid with Fully Automatic Control and Low Salt Requirement (NaCl > 89%) is designed to deliver precise, reliable, and cost-effective disinfection for municipal water, industrial process water, swimming pools, and wastewater treatment plants. The skid arrives pre-assembled, pre-wired, and tested – simply connect power and piping, and it's ready to operate.
This unit stands out due to its low salt requirement (only >89% purity NaCl), which significantly reduces operating costs compared to conventional systems that demand high-purity salt. The fully automatic PLC control ensures accurate dosing based on real-time chlorine demand, minimizing chemical waste and manual intervention. The skid design saves valuable floor space and simplifies installation, while the rugged construction guarantees long service life even in harsh environments.
Key Features & Benefits
Plug-and-Play Design: Factory-assembled, pre-piped, and pre-wired – reduces on-site installation time by up to 70%.
Fully Automatic Control: PLC-based controller with touchscreen interface adjusts dosing rate automatically based on flow or residual chlorine signal.
Low Salt Requirement: Works with NaCl purity as low as 89% (common industrial salt), cutting salt cost by 20–30% compared to systems requiring 99%+ salt.
High Efficiency Electrolysis: Advanced electrode technology ensures >95% current efficiency, producing up to 0.8% available chlorine solution.
Safety Features: Integrated hydrogen gas dilution fan, leak detection, over-temperature protection, and emergency shutdown.
Compact Skid Mounting: All components on a single stainless steel frame – footprint as small as 1.2 m².
Remote Monitoring: Optional SCADA/Modbus interface for remote start/stop, alarm logging, and data recording.
Low Maintenance: Self-cleaning electrodes and automatic cleaning cycle extend service interval to 6 months.
Technical Specifications
| Parameter | Standard Value | Remarks |
| Chlorine Production Capacity | 0.5 – 20 kg/h (as Cl₂) | Customizable |
| Available Chlorine Concentration | 0.6 – 0.8% | As NaClO solution |
| Salt Consumption | 2.0 kg per kg Cl₂ | At NaCl ≥ 89% |
| Power Consumption | 2.5 kWh per kg Cl₂ | Including all auxiliaries |
| Water Supply Pressure | 0.2 – 0.6 MPa | Softened water recommended |
| Operating Temperature | 5°C – 45°C | Heating option for cold climates |
| Control Panel | 7-inch HMI touchscreen | Multilingual |
Why Choose ZLN Plug-Play Dosing Skid?
Proven Reliability: Over 500 units deployed globally in municipal and industrial applications.
Cost Savings: Low salt requirement and high efficiency reduce chemical and power costs by up to 25%.
Easy Operation: Fully automatic mode with intelligent alarms – no need for constant operator attention.
Quick Delivery: Standard models in stock, customized units delivered in 4–6 weeks.
As a leading manufacturer based in Tianjin, China, ZLN has exported to markets including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many others. Our team of 50+ engineers and technicians provides comprehensive after-sales support, including remote diagnostics, spare parts, and on-site commissioning. We are committed to delivering high-quality, compliant solutions that meet the specific needs of our global customers.
Contact us today to discuss your project requirements. Our technical team will help you select the right model and provide a detailed quotation. With ZLN, you get a reliable partner for your water disinfection needs.
Frequently Asked Questions
1. What type of salt is required for this system?
This skid is designed to work with common industrial salt (NaCl) with a purity of at least 89%. It can also use solar salt, vacuum salt, or rock salt, as long as the purity meets the minimum requirement. We recommend using low-iodine, non-caking salt for best performance.
2. What is the typical chlorine concentration produced?
The system produces a sodium hypochlorite solution with 0.6% to 0.8% available chlorine. This concentration is safe for storage and dosing, and it is effective for disinfection without requiring dilution in most applications.
3. Is the skid ready for immediate use upon delivery?
Yes, the skid is fully assembled, pre-wired, and factory-tested. You only need to connect the power supply, inlet water, brine tank, and dosing line. Comprehensive installation and startup manual are included.
4. Can the system be integrated with existing SCADA or BMS?
Yes, the PLC controller supports Modbus RTU/TCP communication. Analog outputs (4-20mA) and dry contacts are also available for remote monitoring. We can customize the interface to match your existing system.
5. What maintenance is required?
Regular maintenance includes checking the electrode condition, cleaning the electrolytic cell (automatic cleaning cycle is built-in), replenishing salt, and inspecting the dosing pump. The recommended service interval is every 6 months for normal operation.
6. How does the system handle hydrogen gas produced during electrolysis?
The skid is equipped with a forced ventilation fan that dilutes hydrogen to safe levels (below 1% by volume). Additionally, a hydrogen gas sensor with alarm is included as standard. If hydrogen concentration exceeds 2%, the system automatically shuts down.
7. What is the warranty period?
We offer a standard 12-month warranty from the date of shipment, covering manufacturing defects. Extended warranty options are available upon request. Our after-sales team provides prompt technical support via email, phone, or video call.
8. Can I get a customized flow rate or capacity?
Absolutely. The skid is modular and can be scaled from 0.5 kg/h to 20 kg/h chlorine equivalent. For larger capacities, we can design a multi-cell system or provide a customized solution. Please provide your daily water volume and desired residual chlorine level for a free consultation.
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