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Chlorine Dioxide System Bello Zon^® CDKd

8 – 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 integrated 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 offers impressive and user-friendly menu navigation 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. The requirements set by the Industry 4.0 standards of tomorrow are met thanks to communication via popular bus systems, a web server A web server is a software application executed by the DULCOMARIN® II. more in the glossary and our DULCONNEX Platform.

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 adaptive liquid level monitoring for which a patent has been applied.

Your benefits

Cost savings through optimised acid consumption
Communication interfaces via bus systems or DULCONNEX
System does not stop due to empty starting feed chemical tanks thanks to precise level indicators
Consumption levels can be planned, enhanced availability and economical operation thanks to verification of chlorine dioxide metering and system output
Simple compliance with documentation obligations and evidence of correct operation using automatically generated reports and alarms
Remote maintenance thanks to DULCONNEX in a safe environment, yet still on-site. For more information:https://dulconnex.prominent.com/welcome.html

Field of application

Municipal drinking water and waste water 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 control of the bypass pump
2 freely configurable analogue outputs (0/4-20 mA)

Operating substances

24.5% sodium chlorite, purity according to EN 938
25-37 % hydrochloric acid, purity according to EN 939
Particle-free water

Degree of protection

IP 65

Bus communication options

Modbus TCP / DULCONNEX
Modbus RTU / DULCONNEX
Profibus DULCONNEX
Profinet DULCONNEX

Technical Data

Type	Chlorine dioxide metering rate (min.…max./hour, min./day)*		Max. operating pressure**	Operating temperature	Chlorite		Dimensions of the bypass connector
	g/h	g/d	bar	°C			DN
* 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 system is operating at below 5 % of the nominal capacity, continuous metering is no longer possible as the pumping frequency of the metering pumps is then low. When plants are not operating continuously, the reactor contents should be changed at least twice a day. Therefore do not operate the system below the stated minimum capacity/day.
** at an ambient temperature of 35 °C
CDKd 150	7.5…150	56	8	10…40	8x5	6x4	25
CDKd 400	20…400	140	8	10…40	12x9	8x5	25
CDKd 900	45…900	300	8	10…40	Pressure hose nozzle d16	8x5	25
CDKd 2000	100…2,000	700	5	10…40	Pressure hose nozzle d20	12x9	40
CDKd 2800	140…2,800	700	5	15…40	Pressure hose nozzle	12x9	40
CDKd 7300	370…7,300	1,750	3	15…40	Pressure hose nozzle	Pressure hose nozzle d16	40
CDKd 12000	600…12,000	1,750	2	18…40	Pressure hose nozzle d32	Pressure hose nozzle d16	40

Type	Dimensions H x W x D (approx.)*	Weight	Supply voltage 230 V**	Supply voltage 115 V**	Power consumption without bypass pump	Power consumption with bypass pump	HCl***	NaClO₂***
	mm	kg	A	A	W	W	l/h	l/h
* 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.
CDKd 150	1,300 x 1,000 x 250	89	3.9	1.7	110	640	0.9	0.9
CDKd 400	1,675 x 900 x 460	119	3.9	1.8	160	690	2.5	2.5
CDKd 900	1,920 x 920 x 520	131	4.2	2.3	210	740	5.6	5.6
CDKd 2000	1,880 x 1,320 x 570	201	-	3.7	370	-	12.3	12.3
CDKd 2800	1,880 x 1,320 x 570	201	-	3.7	370	-	17.3	17.3
CDKd 7300	2,250 x 1,850 x 500	216	-	8.6	610	-	45.1	45.1
CDKd 12000	2,250 x 1,850 x 500	216	-	8.6	610	-	74.1	74.1

Ambient conditions:

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

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