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Chlorine dioxide system Bello Zon® CDKd

15 – 12,000 g/h chlorine dioxide. The maximum volume of water that can be treated with metering of 0.2 ppm ClO2, depending on the size of the system: 60,000 m3/h

Chlorine dioxide system for the metering of chlorine dioxide with concentrated starting chemicals. The proven three-stage safety concept protects people and the environment. The certified output guarantees efficient chlorine dioxide production. Bello Zon® CDKd can be easily and safely integrated into any water treatment process.

Product description

Chlorine dioxide system Bello Zon® CDKd treats medium to large volumes of water with concentrated chemicals.

There is an intrinsically safe pre-dilution station for concentrated hydrochloric acid in this chlorine dioxide Chlorine dioxide is an exceptionally reactive gas, which is not stored due to its instability ... more in the glossary system. The consumption of hydrochloric acid can therefore be automatically adapted on site to the individual operating conditions by means of a patented process. Savings of up to 20%.

The system control stands out on account of its user-friendly menu guidance and ensures the precise production of chlorine dioxide Chlorine dioxide is an exceptionally reactive gas, which is not stored due to its instability ... more in the glossary. The chemicals are mixed perfectly in a reactor made of food-safe PVDF. You thereby benefit from maximum output with the lowest possible consumption of chemicals and maximum operating safety. Communication via popular bus systems, via web server A web server is a software application executed by the DULCOMARIN® II. more in the glossary and our DULCOnneX platform fulfils all the requirements set by the Industry 4.0 standards of tomorrow.

The construction and operating mode of the system also complies with all requirements of DVGW specifications W 224 and W 624 and the system is intended for operation with concentrated chemicals Bello Zon® chlorite (24.5% NaClO2) and acid (25 – 37% HCl). The liquid levels of the starting chemicals can either be displayed and monitored by external liquid level sensors or by patented adaptive liquid level monitoring.

Your benefits

  • Cost savings through optimised acid consumption
  • Various communication options via BUS, web server or DULCOnneX
  • System does not stop due to empty starting feed chemical tanks, thanks to precise level indicator displays
  • Ultra-simple and safe operation thanks to intuitive menu guidance
  • Cost-effective operation due to the use of inexpensive, concentrated starting chemicals
  • Location-independent system monitoring in real time via the DULCOnneX platform: Improved process reliability. Reliability and transparency due to real-time monitoring, individual alarms and automated reports.

Field of application

  • Municipal potable water and sewage treatment
  • Industrial process and cooling water
    1 2 3 4 5 6 7 8

    Technical Details

    Power supply

    • 100-230 V, 50/60 Hz

    Inputs

    • 4 analogue inputs (0/4-20 mA)
      • Water flow
      • Control variable
      • Acid level
      • Chlorite level
    • 4 digital inputs
      • Contact water meter 0.25-20 Hz
      • Pause
      • Alternative metering
      • External fault

    Outputs

    • 1 operating signal relay
    • 1 alarm signal relay
    • 1 warning signal relay
    • Mains output for the control of the bypass pump
    • 2 freely configurable analogue outputs (0/4-20 mA)

    Operating substances

    • Sodium chlorite 24.5 %, purity according to EN 938
    • Hydrochloric acid 25-37 % purity according to EN 939
    • Particle-free water

    Degree of protection

    • IP 65
    TypeChlorine dioxide capacity*Max. operating pressure**Operating temp.Suction-side connector dimension of calibration vesselsDimensions of the bypass connector
     min.-max./hourmin./day  ChloriteAcid 
    g/hg/d bar°CDN
    CDKd 15015–15056810–408x56x425
    CDKd 40040–400140810–4012x98x525
    CDKd 90090–900300810–40Pressure hose nozzle d168x525
    CDKd 2000200–2,000700510–40Pressure hose nozzle d208x540
    CDKd 2800280–2,800700515–40Pressure hose nozzle d208x540
    CDKd 7300730–7,3001,750315–40Pressure hose nozzle d32Pressure hose nozzle d1640
    CDKd 12000600–12,0001,750218–40Pressure hose nozzle d32Pressure hose nozzle d1640
    TypeDimensions*** H x W x D (mm)WeightPower consumption (max.) ****Power consumptionChemical consumption at 100% system capacity *****
       230 V115 Vwithout bypass pumpwith bypass pumpHCl (30%)NaClO2 (24.5 %)
    mmkg A A W W l/h l/h
    CDKd 1501,300 x 1,000 x 250893.91.71106400.90.9
    CDKd 4001,675 x 900 x 4601193.91.81606902.52.5
    CDKd 9001,920 x 920 x 5201314.22.32107405.65.6
    CDKd 20001,880 x 1,320 x 570201–3.7370–12.312.3
    CDKd 28001,880 x 1,320 x 570201–3.7370–17.317.3
    CDKd 73002,250 x 1,850 x 500216–8.6610–45.145.1
    CDKd 120002,250 x 1,850 x 500216–8.6610–74.174.1
    HCl pre-dilution1,180 x 900 x 140––––––
    *The metering figures relate to 5 or 2 bar back pressure and an ambient temperature of 20 °C. The minimum capacity/per hour is based on the fact that when the plant is operating at below 5% of the nominal power, continuous metering is no longer possible due to the then low pumping frequency of the metering pumps. The reactor contents should be changed at least twice daily with systems that do not work continuously. Therefore do not operate the system below the stated minimum capacity/day.
    **at an ambient temperature of 35 °C
    ***including main system, pre-dilution and rinse valve, without bypass pump and water feed section
    ****230 V figures with bypass pump (CDKd 150-900), 115 V figures without bypass pump
    *****Sodium chlorite (NaClO2) 24.5 %, purity in accordance with EN 938, hydrochloric acid 25-36%, purity in accordance with EN 939. The chemical consumption may vary depending on the temperature. The hydrochloric acid consumption is calculated for a concentration of 30%. Up to 25% hydrochloric acid can be saved with the aid of automatic acid adjustment.

    Ambient conditions:

    Permissible relative air humidity (non-condensing)max. 85% rel.
    Permissible ambient temperature40 °C
    Permissible temperature of chemicals10 … 35 °C
    Storage and transport temperature-10 … +40 °C
    Degree of protectionIP 65

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    Overview

    Chlorine dioxide system Bello Zon® CDKd treats medium to large volumes of water with concentrated chemicals.

    There is an intrinsically safe pre-dilution station for concentrated hydrochloric acid in this chlorine dioxide Chlorine dioxide is an exceptionally reactive gas, which is not stored due to its instability ... more in the glossary system. The consumption of hydrochloric acid can therefore be automatically adapted on site to the individual operating conditions by means of a patented process. Savings of up to 20%.

    The system control stands out on account of its user-friendly menu guidance and ensures the precise production of chlorine dioxide Chlorine dioxide is an exceptionally reactive gas, which is not stored due to its instability ... more in the glossary. The chemicals are mixed perfectly in a reactor made of food-safe PVDF. You thereby benefit from maximum output with the lowest possible consumption of chemicals and maximum operating safety. Communication via popular bus systems, via web server A web server is a software application executed by the DULCOMARIN® II. more in the glossary and our DULCOnneX platform fulfils all the requirements set by the Industry 4.0 standards of tomorrow.

    The construction and operating mode of the system also complies with all requirements of DVGW specifications W 224 and W 624 and the system is intended for operation with concentrated chemicals Bello Zon® chlorite (24.5% NaClO2) and acid (25 – 37% HCl). The liquid levels of the starting chemicals can either be displayed and monitored by external liquid level sensors or by patented adaptive liquid level monitoring.

    Your benefits

    • Cost savings through optimised acid consumption
    • Various communication options via BUS, web server or DULCOnneX
    • System does not stop due to empty starting feed chemical tanks, thanks to precise level indicator displays
    • Ultra-simple and safe operation thanks to intuitive menu guidance
    • Cost-effective operation due to the use of inexpensive, concentrated starting chemicals
    • Location-independent system monitoring in real time via the DULCOnneX platform: Improved process reliability. Reliability and transparency due to real-time monitoring, individual alarms and automated reports.

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