Chlorine Dioxide Generator | Water Disinfection & Oxidation

Working Principle The chemical method uses sodium chlorate and hydrochloric acid, metered into a reaction vessel, heated to produce ClO₂ gas, then drawn by a water ejector under negative pressure into the water for mixing and disinfection. The electrolytic method uses table salt, generating ClO₂ mixed gasthrough an electrolytic cell. Key components include metering pumps, reaction vessel, water ejector, control system, and residual chlorine analyzer. The automatic system adjusts raw material dosing and gas output in real time based on residual chlorine readings, keeping outlet quality stable. For safety, it's equipped with a pressure relief valve, rupture disc, and ventilation system to prevent gas leaksand overpressure. Application Fields 1. Drinking Water & Municipal Supply: Water plant disinfection, secondary supply sterilization, rural drinking water safety projects. 2. Wastewater & Environmental: Municipal wastewater disinfection, hospital effluent inactivation, industrial wastewater decolorization and odor removal. 3. Industrial Circulating Water & Power: Power plant circulating water sterilization and algae control, cooling tower slime control, oilfield reinjection water treatment. 4. Food & Aquaculture: Food processing water disinfection, aquaculture water sterilization, beverage bottle rinse water. FAQ Q1: Low gas output or purity — what's causing it, and how do I troubleshoot? A: Common causes: raw material concentration too low or wrong ratio, clogged metering pumps or inaccurate flow, reaction vessel temperature too low, insufficient water ejector vacuum, or air leaks in raw material lines. Check in this order: test sodium chlorate and hydrochloric acid concentrations; inspect metering pump flow and line sealing; confirm reaction vessel temperature; then check the water ejector. If raw materials contain impurities, filter them before dosing. Q2: Chemical vs. electrolytic — how do I choose? A: Chemical gives you high gas purity, large output, and lower operating cost — good for medium-to-large water plants, power plants, and wastewater plants. But it requires storing hydrochloric acid and sodium chlorate, so safety management matters. Electrolytic uses table salt — easy to source, safer to handle — good for small water plants, hospitals, and food factories. But output is lower, power consumption is higher, and electrodes need periodic replacement. High water volume and strict disinfection? Go chemical. Limited space and weak safety management? Go electrolytic. Q3: Routine maintenance schedule — what should I keep an eye on? A: Daily: raw material levels, metering pump status, residual chlorine readings. Weekly: clean water ejector, filter, and reaction vessel. Monthly: calibrate residual chlorine analyzer and metering pump flow. Annually: replace wear parts (rupture disc, seals, electrodes). Watch for raw material line leaks, reaction vessel scaling, abnormal water ejector vacuum, and control system alarms. For safety, keep good ventilation and regularly inspect the pressure relief valve and rupture disc.