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Welcome to Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd. As a professional manufacturer with certification, we are proud to introduce our Fully Automatic Liquid Chlorine Dosing System with Skid Mounted Design, Plug-Play, and PLC Control. This system combines advanced automation with robust skid-mounted construction, offering a reliable solution for precise chlorine dosing in water treatment, swimming pools, and industrial processes. Designed for easy installation and operation, it minimizes manual intervention and ensures consistent chemical feed, saving you time and operational costs.
Our team has over 15 years of experience in fluid control and chemical dosing technology. The system is built with high-quality components, including a corrosion-resistant chassis, accurate metering pump, and intelligent PLC controller. Whether you need a compact unit for a small facility or a high-capacity system for large-scale operations, our skid-mounted design allows for quick deployment and easy integration into existing pipelines.
Below we provide detailed technical specifications and key features to help you understand how this dosing system can benefit your operations.
| Parameter | Specification |
| Dosing Medium | Liquid chlorine (sodium hypochlorite, bleach, etc.) |
| Flow Rate Range | 0.5 – 1000 L/h (customizable) |
| Control Mode | PLC automatic control, manual override available |
| Power Supply | 220V/380V, 50Hz/60Hz (optional) |
| Material of Wetted Parts | UPVC, PP, or Stainless Steel 316 (optional) |
| Operating Temperature | 0°C – 50°C |
| Protection Grade | IP54 (higher grade available upon request) |
| Communication Interface | RS485/Modbus, optional Ethernet |
Key Features & Benefits
Fully Automatic PLC Control: The system continuously monitors residual chlorine levels and adjusts dosing rate in real time, ensuring precise chemical feed without manual adjustment. This reduces chemical waste and maintains water quality within safe limits.
Skid Mounted & Plug-Play Design: All components (pump, controller, piping, valves) are pre-assembled on a sturdy skid frame. Just connect inlet/outlet and power – minimal installation time and cost. Ideal for retrofit projects or new installations.
High Accuracy Metering Pump: Equipped with a diaphragm or peristaltic pump, delivering repeatable accuracy of ±1% over the full flow range. Pump head material is chemical-resistant to ensure long service life.
User-Friendly HMI Touch Screen: The PLC includes a color touch screen display for parameter setting, alarm history, and real-time trend graphs. No complex programming required – operators can be trained in minutes.
Safety Features: Built-in low-level alarm, high-pressure protection, and leak detection sensor. The system can automatically shut down and send alert signals to a remote monitoring center if abnormal conditions occur.
Corrosion-Resistant Construction: The skid frame is made of powder-coated carbon steel or stainless steel (optional). All wetted parts are selected to withstand aggressive chemicals like sodium hypochlorite.
Modular & Expandable: The system can be integrated with additional sensors (pH, ORP, flow) and multiple dosing pumps to create a complete chemical dosing station. Expandable I/O modules are available.
Remote Monitoring & Control: With optional Ethernet or GSM module, operators can monitor system status and adjust parameters via SCADA or mobile app. This is especially useful for unmanned facilities or distributed water networks.
Why Choose ZLN’s Liquid Chlorine Dosing System?
Our system is designed to meet the demands of modern water treatment plants, swimming pools, and industrial processes where reliability and precision are critical. Here are some of the advantages you can expect:
Reduced Operating Costs: Automatic dosing eliminates overfeeding and underfeeding, saving up to 20% on chemical consumption. Lower maintenance due to robust components and easy access.
Consistent Water Quality: The PLC maintains a stable residual chlorine level within ±0.1 ppm, ensuring compliance with disinfection standards and reducing the risk of waterborne diseases.
Easy Integration: The skid-mounted unit occupies minimal floor space and can be installed in existing buildings without major modifications. Pre-wired and pre-plumbed, it reduces installation time by 50% compared to traditional field-built systems.
Scalability: Whether you need a single dosing line or a multi-pump array, our modular design can be customized to your exact flow requirements. Add future expansion without replacing the entire system.
Global Support: As a manufacturer based in Tianjin, China, we ship to major ports worldwide (Tianjin Port). Our technical team provides remote assistance, and we offer spare parts availability for quick replacement.
Frequently Asked Questions (FAQ)
Q1: What type of liquid chlorine can be used in this system?
A: The system is compatible with sodium hypochlorite (bleach), calcium hypochlorite solution, and other non-viscous chlorine-based liquids. Always verify chemical compatibility with wetted materials (UPVC, PP, SS316) – for aggressive chemicals, optional Hastelloy wetted parts are available.
Q2: Is the system ready to use out of the box?
A: Yes, the skid-mounted design is essentially plug-and-play. You need to connect the suction line to the chemical tank, the discharge line to the injection point, and provide power. The PLC comes pre-configured with default parameters; you can adjust them via the touch screen.
Q3: Can I integrate this with an existing SCADA system?
A: Absolutely. The PLC supports Modbus RTU over RS485, and optional Ethernet/IP or Profinet communication modules are available. Our team can help configure the data mapping to match your SCADA tags.
Q4: What is the lifespan of the dosing pump?
A: The pump is designed for continuous operation. With proper maintenance (e.g., replacing diaphragm or tubing periodically), the pump can last 3–5 years or more. We provide a detailed maintenance schedule and spare parts kits.
Q5: How do I size the system for my application?
A: To select the correct flow rate, we need to know your maximum chlorine demand, contact time, and residual target. Contact our sales team with your water flow rate (m³/h) and desired chlorine dose (mg/L), and we will provide a recommendation.
Q6: What certifications does the system have?
A: Our factory is certified. The electrical components carry CE marking (optional). The entire system can be supplied with a certificate of compliance upon request. For specific market requirements (e.g., UL, CSA), we can discuss customization.
Q7: Is there a remote monitoring option?
A: Yes, we offer optional GSM/4G module or Ethernet connectivity for remote monitoring. You can view real-time data and receive alarms on your phone or computer. Cloud-based dashboards are also available.
Q8: What is the typical delivery time?
A: For standard configurations, delivery is 15–20 working days after order confirmation. Customized systems may take 25–30 days. We ship from Tianjin Port, and we can arrange fast shipping if needed.
Trusted by customers worldwide – ZLN has supplied dosing systems to over 30 countries, including North America, Europe, Southeast Asia, and Africa. Our certified manufacturing process ensures consistent quality. With a 12-month warranty and lifetime technical support, you can rely on ZLN for your chemical dosing needs. Contact us today for a custom quote or engineering consultation.
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