Swim swimming pool ozone disinfection equipment

I. Introduction pool water ozone disinfection

Swimming pool water disinfection is a very important issue, if resolved, swimming pool may be spread various diseases of the place. Disinfection is essential adopted, it must be sterilized using a potent disinfectant, and can rapidly kill bacteria, and nor secondary pollution. As European countries are the first to use, that is, without secondary pollution, bacteria can quickly sterilization, sterilization rate of up to 99.9% of the ozone disinfection program. Ozone is an internationally recognized green biocides.

Ozone is a very strong oxidizing substances, the redox potential after F2. Use of its oxidation, can be destroyed in a relatively short period of bacteria, viruses and other microorganisms biological structures, so that loss of viability, then ozone will decay into oxygen (O2). So there is no secondary pollution ozone work produced for human environmental needs, this is the biggest advantage of ozone technology. The main application of ozone sterilization in artificially. This is mainly a strong oxidation ability of ozone, oxygen atoms can be oxidized bacterial cell wall, until its body through the wall of the unsaturated bond and seize compound bacterial life, its role is instantly completed, the ozone sterilization effect quickly determine in its high reduction potential, II, shows the reduction potential of the ozone disinfection materials comparison.

Table II Comparison redox potential

As China's "CECS14: 2002" Set ozone treatment plant. Some public sex swimming pool, luxury hotels, residential swimming are also made using ozone technology requirements. It is foreseeable that our ozone swimming pool water treatment technology in the future will be to accelerate development.

Second, ozone disinfection technology

Pool Ozone disinfection applications generally use negative self-priming mode dosing, dosing tube in the pool circulating water per ton dosage :0.6-1 .0 g / h, generally used by the negative pressure generated in the ejector bypass flow and Head of water merge or full flow mode and in contact with the reaction tank is not less than two minutes in order to achieve the purpose of sterilization. The mid-nineties, the shunt system processes come out. Ozone dosage for the sub-flow system, 25% or 0.1-0.2mg / L can be. Sub-flow system to save more than 50% of the ozone depletion. Since at least the head next to the water back into the diluted four times the concentration of ozone remaining in the system at any time no more than 0.1ppm, to ensure that the ozone concentration in the air is less than 0.1ppm, can be installed can be activated resolver large ozone exhaust heating processor.

Swimming pool water, such as an intermittent cycle, they should be open around the entire pool water once each cycle calculation

Circulation flow

Swimming pool circulating water should be calculated as follows:

X = α · V / T

Where X - swimming pool water circulation flow (m3 / h);

α - the volume of water pipes and filtration equipment additional factor, generally 1.1 to 1.2;

V - swimming pool water volume (m3);

T - swimming pool water cycle.

Ozone dosage calculation method: based on commercial pools 50 to 60 years of operating experience, in such a system using ORP controller can correctly control the concentration of ozone in water. I produced the ozone generator with automatic output signal functions (0 ~ 20mA) can be connected to both the ozone concentration in water monitoring system.

G = P * Y

The formula G - ozone generator Yield (g / h)

    P - circulating water flow (m3 / h)

Y - ozone dosage concentration (g/m3), generally choose the ozone dosage is 0.6-1.0g / h

Pool ozone reaction tank calculation method: used to make inorganic and organic contaminants in water are dissolved ozone oxidation and disinfection sterilization, so the design should eliminate water reactor short-circuit, ensure that the water in the tank has a certain duration. In order to make high solubility of ozone in water, ozone-containing water from the reaction tank into the tank on the upper side and lower side of the water (both can be used to design my professional mixing tank, good effect, mixing rate, easy to install). The upper part of the reaction tank and the exhaust valve should be connected to the ozone destruction device to be removed before entering the atmosphere undissolved ozone. Reaction tank volume determined as follows:

M = Q * V * H

Where M - reaction tank volume (m3)

    Q - circulating water flow (m3 / h)

V - next to the water percentage (%)

H - Reaction time (h)

Pool Connection:

1 according to state regulations or norms swimming pool and water play pool under water supply and drainage design procedures "CECS14: 2002" as a world-class, state-level health requirements are relatively high number of people can be 8.2.4-1

(2) the number of high load, high hygiene requirements pool full flow mode selection using ozone swimming pool disinfection systems: (see below)

3 to increase the existing pool or the number of ozone disinfection system in general, and more stable pool and water park: Ozone disinfection system can be split.

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