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Help CenterFully Automatic Liquid Chlorine Dosing System With PLC Control and Skid Mounted Plug-Play Design
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Welcome to Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd. – your trusted manufacturer of advanced water treatment solutions. Our Fully Automatic Liquid Chlorine Dosing System with PLC Control and Skid Mounted Plug-Play Design is engineered to deliver precise, safe, and reliable chlorination for a wide range of applications. Developed with years of expertise in chemical dosing technology, this system is the perfect choice for municipal water treatment, swimming pools, industrial cooling water, and wastewater disinfection.
The system integrates a high-accuracy metering pump, PLC controller, flow meter, pressure gauge, and all necessary safety valves on a compact, pre-assembled skid. It requires only simple connection to power and chemical lines – no complex installation or calibration needed. With its intelligent automation, the system continuously monitors and adjusts the chlorine dosing rate to maintain the set disinfection level, minimizing chemical waste and ensuring consistent water quality.
Below we detail the key features, technical specifications, and benefits that make this dosing system a smart investment for any facility.
Key Features & Advantages
PLC-Based Automatic Control: The built-in programmable logic controller (PLC) with HMI touchscreen allows easy setting of dosing parameters, real-time monitoring, and data logging. It can be integrated with SCADA systems for remote management.
Skid-Mounted Plug-Play Design: All components are factory-assembled on a robust stainless steel skid, tested, and ready for immediate operation. Simply connect the power supply, inlet/outlet pipes, and the system is ready to run.
High-Precision Dosing Pump: Equipped with a hydraulic diaphragm or peristaltic pump, the system delivers ±1% repeatable accuracy, ensuring the exact amount of chlorine is added to the water.
Multi-Layer Safety Protection: Includes leak detection sensors, emergency stop buttons, overpressure protection, and automatic shut-off in case of pump failure or low chemical level. A safety relief valve prevents overpressure.
Wide Flow Range & Customizable: Standard models cover flow rates from 0.5 L/h up to 500 L/h, with higher capacities available upon request. The system can be tailored to different chemical concentrations (e.g., sodium hypochlorite, calcium hypochlorite, or chlorine gas).
Robust Chemical Resistant Materials: Wetted parts are made of UPVC, PVC, or PP – materials that resist corrosion from chlorine solutions. For aggressive chemicals, optional PVDF or PTFE components are available.
Low Maintenance & Long Service Life: The skid design simplifies routine maintenance – all components are easily accessible. The pump head and valves are designed for quick replacement, reducing downtime.
Energy Efficient: The PLC optimizes pump operation based on real-time flow and residual chlorine feedback, reducing power consumption and chemical usage.
Technical Specifications (Typical Model)
| Parameter | Value |
|---|---|
| Max Flow Rate | 500 L/h (other options available) |
| Max Discharge Pressure | 6 bar (optional up to 10 bar) |
| Power Supply | 220V/50Hz, 380V/60Hz (customizable) |
| Control Interface | 7-inch HMI Touchscreen, PLC |
| Communication Protocol | Modbus RTU/TCP (optional) |
| Material of Wetted Parts | UPVC / PVC / PP (PVDF/PTFE optional) |
| Inlet/Outlet Connection | DN15 – DN50 (customizable) |
| Skid Dimensions (L×W×H) | 800×600×1200 mm (varies by model) |
| Weight | ~80 kg (approx.) |
Why Choose ZLN Fully Automatic Liquid Chlorine Dosing System?
For Plant Operators: The plug-and-play design reduces installation time by up to 70% compared to traditional systems. No need for on-site assembly or complex wiring – just connect and start.
For Water Quality Managers: The PLC control ensures precise dosing, achieving a stable residual chlorine level within ±0.1 ppm. This reduces the risk of under-dosing (insufficient disinfection) or over-dosing (chemical waste and taste issues).
For Maintenance Teams: Automatic self-diagnosis and alarm alerts via the HMI or remote system help identify issues before they cause downtime. The system logs all operational data for easy troubleshooting.
For Safety Officers: With built-in leak detection, emergency stop, and automatic shut-off, the system minimizes the risk of chlorine gas leakage or chemical spills. All components are housed in a durable, skid-mounted frame.
For Budget Holders: The system is cost-effective – lower chemical consumption and reduced labor costs provide a quick return on investment. The robust design also means fewer replacements and repairs.
Trust & Reliability – Backed by ZLN Technology
Tianjin ZhuoLiNeng Technology Co., Ltd. is a professional manufacturer with years of experience in water treatment equipment. We have supplied our dosing systems to clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our products are shipped from the port of Tianjin, China, with full documentation and support. We offer a 12-month warranty on the entire system, and our technical team is available for online or on-site guidance. Every unit undergoes a 48-hour factory test under simulated operation conditions to ensure flawless performance. When you choose ZLN, you choose a partner dedicated to quality and customer satisfaction.
Contact us today to discuss your specific chlorine dosing requirements. We can customize the system to match your flow rate, chemical type, and control preferences. Request a quote or schedule a video call to see the system in action.
Frequently Asked Questions (FAQ)
Q1: What type of chlorine can be used with this dosing system?
A: The system is designed primarily for liquid chlorine solutions such as sodium hypochlorite (NaClO) and calcium hypochlorite solution. It can also be adapted for other liquid disinfectants. Please specify your chemical when ordering so we can select the appropriate wetted materials.
Q2: How is the PLC control programmed?
A: The PLC comes pre-programmed with standard dosing logic. The HMI touchscreen allows you to set the desired residual chlorine concentration, flow rate, and alarm thresholds. Advanced users can access the PLC ladder logic for custom modifications. We also provide remote support for programming adjustments.
Q3: Does the system require any external sensors?
A: The system includes a built-in flow meter and a residual chlorine sensor (optional). If you order the full package, the sensor is installed and calibrated. For integration with an existing chlorine analyzer, the PLC supports 4-20mA input signals.
Q4: What is the recommended maintenance schedule?
A: We recommend weekly inspection of the pump head, check valves, and tubing for wear. The PLC will alert you when the pump diaphragm needs replacement (typically every 6-12 months depending on usage). A full system check-up every 6 months is advised.
Q5: Can the system be used for continuous dosing in remote locations?
A: Yes, the system is designed for continuous 24/7 operation. The PLC can be paired with a remote communication module (e.g., GSM or Ethernet) to send alarm signals and data to a central monitoring station. This is ideal for unmanned water treatment plants.
Q6: What is the typical delivery time and how is the system shipped?
A: For standard models, delivery time is 15-25 working days after order confirmation. The system is securely packed on a wooden pallet and wrapped with waterproof film, then shipped via sea or air from Tianjin port. We can arrange door-to-door delivery if required.
Q7: Do you provide installation and commissioning support?
A: Yes, we offer online video guidance for installation. For large orders, we can dispatch an engineer to supervise commissioning on-site (travel expenses apply). A detailed manual in English is included with the system.
Q8: Is the system compatible with existing SCADA or BMS systems?
A: Yes, the PLC supports Modbus RTU/TCP communication protocol. We can also customize the interface to match other protocols (e.g., Profibus, BACnet) upon request. Please provide details of your existing system for compatibility check.
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