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[content] => We all know that the advantages of ozone sterilization are rapid, no secondary pollution, etc. For swimming pools, the ozone water treatment system is used to achieve a higher level of swimming pool water quality, but whether it can meet the requirements depends on There are several factors: whether it is a counter-current cycle, whether the filter system design is reasonable, whether the ozone generator is qualified, whether the manufacturer has experience in ozone water treatment in swimming pools, etc.
[**]dvantages of using ozone in swimming pools
Ozone has the effect of bactericidal and virus inactivation, which can effectively prevent the spread of infectious diseases. Experiments have shown that the same concentration of ozone is 60-300 times more effective than chlorine in killing bacteria and viruses. When the ozone concentration is 1 mg/L, the inactivation of fecal E. coli only takes 5 seconds, and it takes 1500 seconds to achieve the same effect with the same concentration of chlorine.
Ozone is a recognized environmentally friendly green fungicide, which will not cause secondary pollution to the environment, and chlorine preparations will react with organics in the water to generate a variety of chlorinated organic compounds, such as chloroform, chloroform, etc., these substances are are are recognized Carcinogenic mutagen. When a person swims, these toxic substances are absorbed by the body (the body can absorb 500 ml of water per hour in water).
Chlorinated organic compounds in water can also irritate people's eyes and skin, causing red eyes and skin rashes. The chlorinated organic compounds and toxic gases such as chlorine that evaporate from the water damage the human respiratory organs, and the use of ozone will not cause such problems.
Ozone is a strong oxidant, which can effectively decompose the humus in the water, oxidize the iron and manganese ions in the water, and decompose the tiny organisms that scatter light in the water, thereby greatly improving the clarity of the water and making the water appear beautiful blue. The preparation has no such effect. To make the water blue, the swimming pool using chlorine preparations often needs to add copper salt, which is harmful to the human body.
The traditional ozone disinfection method for swimming pool water treatment has the following characteristics
1. The dosage of ozone is 0.8-1.0mg/1;
2. [**] large-volume ozone reactor is required to ensure that the contact reaction time between ozone and water is not less than 2 minutes;
3. Ensure that after the ozone reacts with water, the remaining ozone concentration in the water is not less than 0.4mg/1;
4. Use activated carbon to remove all remaining ozone before entering the pool;
5. [**]fter ozone disinfection, add chlorine disinfectant to make the residual chlorine reach 0.3-0.6mg/1.
In practical applications, the above method has the following problems
1. The problem of ozone utilization; the traditional ozone disinfection process for swimming pools needs to remove the remaining ozone. The specification requires the concentration of ozone to be added to be around 1.0mg/l, and the remaining ozone concentration is greater than 0.4mg/l. The remaining 0.4mg/l ozone will be removed if it is not used, which means that the used ozone is only about 0.5mg/l. , The rest of the ozone is wasted. Moreover, after removing the ozone, it is necessary to add chlorine as a long-term disinfectant.
2. Infrastructure investment problem: [**]ccording to the traditional swimming pool circulating water ozone disinfection method, the contact time between ozone and water is more than 3 minutes. If the short contact time is 2 minutes, for a standard pool (about 2400m3), the water treatment circulation flow rate is 400m3/h, and the flow rate is 13.3m3 in 2 minutes. [**]ccording to the requirements, the filtering speed of the activated carbon filter tank is 30m/h, which requires an activated carbon filter tank with a filter area of 13.3m3, which will greatly increase the area of the computer room, and the cost of the ozone system will increase by more than 30%. If ozone is not removed, these problems may be solved.
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We all know that the advantages of ozone sterilization are rapid, no secondary pollution, etc. For swimming pools, the ozone water treatment system is used to achieve a higher level of swimming pool water quality, but whether it can meet the requirements depends on There are several factors: whether it is a counter-current cycle, whether the filter system design is reasonable, whether the ozone generator is qualified, whether the manufacturer has experience in ozone water treatment in swimming pools, etc.
[**]dvantages of using ozone in swimming pools
Ozone has the effect of bactericidal and virus inactivation, which can effectively prevent the spread of infectious diseases. Experiments have shown that the same concentration of ozone is 60-300 times more effective than chlorine in killing bacteria and viruses. When the ozone concentration is 1 mg/L, the inactivation of fecal E. coli only takes 5 seconds, and it takes 1500 seconds to achieve the same effect with the same concentration of chlorine.
Ozone is a recognized environmentally friendly green fungicide, which will not cause secondary pollution to the environment, and chlorine preparations will react with organics in the water to generate a variety of chlorinated organic compounds, such as chloroform, chloroform, etc., these substances are are are recognized Carcinogenic mutagen. When a person swims, these toxic substances are absorbed by the body (the body can absorb 500 ml of water per hour in water).
Chlorinated organic compounds in water can also irritate people's eyes and skin, causing red eyes and skin rashes. The chlorinated organic compounds and toxic gases such as chlorine that evaporate from the water damage the human respiratory organs, and the use of ozone will not cause such problems.
Ozone is a strong oxidant, which can effectively decompose the humus in the water, oxidize the iron and manganese ions in the water, and decompose the tiny organisms that scatter light in the water, thereby greatly improving the clarity of the water and making the water appear beautiful blue. The preparation has no such effect. To make the water blue, the swimming pool using chlorine preparations often needs to add copper salt, which is harmful to the human body.
The traditional ozone disinfection method for swimming pool water treatment has the following characteristics
1. The dosage of ozone is 0.8-1.0mg/1;
2. [**] large-volume ozone reactor is required to ensure that the contact reaction time between ozone and water is not less than 2 minutes;
3. Ensure that after the ozone reacts with water, the remaining ozone concentration in the water is not less than 0.4mg/1;
4. Use activated carbon to remove all remaining ozone before entering the pool;
5. [**]fter ozone disinfection, add chlorine disinfectant to make the residual chlorine reach 0.3-0.6mg/1.
In practical applications, the above method has the following problems
1. The problem of ozone utilization; the traditional ozone disinfection process for swimming pools needs to remove the remaining ozone. The specification requires the concentration of ozone to be added to be around 1.0mg/l, and the remaining ozone concentration is greater than 0.4mg/l. The remaining 0.4mg/l ozone will be removed if it is not used, which means that the used ozone is only about 0.5mg/l. , The rest of the ozone is wasted. Moreover, after removing the ozone, it is necessary to add chlorine as a long-term disinfectant.
2. Infrastructure investment problem: [**]ccording to the traditional swimming pool circulating water ozone disinfection method, the contact time between ozone and water is more than 3 minutes. If the short contact time is 2 minutes, for a standard pool (about 2400m3), the water treatment circulation flow rate is 400m3/h, and the flow rate is 13.3m3 in 2 minutes. [**]ccording to the requirements, the filtering speed of the activated carbon filter tank is 30m/h, which requires an activated carbon filter tank with a filter area of 13.3m3, which will greatly increase the area of the computer room, and the cost of the ozone system will increase by more than 30%. If ozone is not removed, these problems may be solved.
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