Chlorine dioxide generator design and working principle
2025-05-29 02:04:54
In the Promet BelloZon system, chlorine dioxide is produced from the reaction of 9% dilute hydrochloric acid and 7.5% sodium chlorite dilute solution, or from 30% hydrochloric acid and 24.5% sodium chlorite. 2% (20 g/L) aqueous solution of chlorine dioxide.
Internal control working methods:
Since the system uses a special electronic control and electromagnetically driven diaphragm type precision metering pump that has passed more than 600,000 tests, the pump's metering can be achieved by adjusting the stroke length of the metering pump in a free-running state. The desired output can be achieved by adjusting the stroke frequency of the metering pump. In this way, two kinds of chemical liquids for reaction can be accurately injected into the reactor according to the required amount. In the reactor, two chemical substances react chemically to produce a certain concentration of chlorine dioxide solution. Due to the pressure of the pump, the production of two The chlorine dioxide solution is further mixed in the mixer with the water in the bypass, and an aqueous solution of chlorine dioxide diluted to a safe concentration is injected into the water stream to be treated.
External control working methods:
The operation of the chlorine dioxide generator is controlled by external signals such as contact water meters, variable frequency digital regulators or analog signals. The metering pump can accept external control pulses or analog signals and adjust the stroke frequency proportionally to the size of the external control signal. Through this control, the two chemical liquids used for the reaction are accurately injected into the reactor according to the required amount, and the two chemical substances react chemically in the reactor to achieve the purpose of adjusting the chlorine dioxide dosage. The resulting chlorine dioxide solution is re-introduced into the mixer and further mixed with the water in the bypass before being injected into the water to be treated.
In addition, the combination of Promet BelloZon ClO2 and Promet's measurement control technology has fully realized a measurement-control-metering closed-loop control system to control the quantitative dosing of chlorine dioxide aqueous solution. The measuring range of Prodent DULCOTEST chlorine dioxide sensor: 0-20mg/L. The output signal of the Promex DULCOMETER measurement and control instrument is directly used to control the stroke frequency of the pump to determine the amount of chlorine dioxide generated.
Internal control working methods:
Since the system uses a special electronic control and electromagnetically driven diaphragm type precision metering pump that has passed more than 600,000 tests, the pump's metering can be achieved by adjusting the stroke length of the metering pump in a free-running state. The desired output can be achieved by adjusting the stroke frequency of the metering pump. In this way, two kinds of chemical liquids for reaction can be accurately injected into the reactor according to the required amount. In the reactor, two chemical substances react chemically to produce a certain concentration of chlorine dioxide solution. Due to the pressure of the pump, the production of two The chlorine dioxide solution is further mixed in the mixer with the water in the bypass, and an aqueous solution of chlorine dioxide diluted to a safe concentration is injected into the water stream to be treated.
External control working methods:
The operation of the chlorine dioxide generator is controlled by external signals such as contact water meters, variable frequency digital regulators or analog signals. The metering pump can accept external control pulses or analog signals and adjust the stroke frequency proportionally to the size of the external control signal. Through this control, the two chemical liquids used for the reaction are accurately injected into the reactor according to the required amount, and the two chemical substances react chemically in the reactor to achieve the purpose of adjusting the chlorine dioxide dosage. The resulting chlorine dioxide solution is re-introduced into the mixer and further mixed with the water in the bypass before being injected into the water to be treated.
In addition, the combination of Promet BelloZon ClO2 and Promet's measurement control technology has fully realized a measurement-control-metering closed-loop control system to control the quantitative dosing of chlorine dioxide aqueous solution. The measuring range of Prodent DULCOTEST chlorine dioxide sensor: 0-20mg/L. The output signal of the Promex DULCOMETER measurement and control instrument is directly used to control the stroke frequency of the pump to determine the amount of chlorine dioxide generated.
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