Swimming pool water treatment method

Pool water, spa pool, etc. are usually regenerated in a closed-cycle system. The contaminated water is treated properly and then returned to the pool. The purpose of this is to save a lot of water under various unfavorable conditions and ensure that the water is clear. , Comfortable water quality, filtration by simply relying on filtration equipment is far from enough. We must ensure a balanced water quality chemical index.

泳池水质

For pool managers, how to ensure good water quality is crucial. Because for fitness people, a clear, comfortable water quality is also the best reason to promote their participation in sports and consumption.

However, an open water body (such as water in swimming pools, saunas, and spa pools) is extremely vulnerable to the external environment and users. There are many factors affecting the water quality of the pool, such as: the water capacity of the pool, the number of customers, the type of drugs used, the changes in the weather, the number and performance of filtration equipment, the water supply and drainage design of the pool, daily maintenance work, and the use habits of customers. The body's metabolites such as sweat, hair, urea, cosmetics, and entrained bacteria (such as E. coli) can lead to water turbidity, and even become breeding grounds for pathogenic microorganisms.

In the day-to-day management of the pool, the slight neglect, neglect, or ineffectiveness of the manager's management of these issues can lead to customer displeasure and even customer complaints.

In 1960, Dr. Wilfred F. Langelier, a scientist, proposed that by measuring the key chemical indicators in water to determine whether the overall water quality is balanced, the Langer saturation index was used to express the dynamic balance of water quality in the pool. The water treatment agent for pool water was Based on this theory, it was developed based on the specific characteristics of open pond water. The specific formula is as follows:

The Langer saturation index includes the following indicators:

pH, total alkalinity, calcium hardness, total dissolved, temperature

Langer saturation index = PH+Tf+Cf+Af-12.1, where Tf is the pool water temperature coefficient; Cf is the pool water calcium hardness coefficient; Af is the total alkalinity coefficient; 12.1 is a constant, and the total solute-related factors, assuming When the total dissolved water in the pool water is 1000 ppm, this constant is 12.1. The ideal balance of the pool should be when the index is 0, but -0.3~0.3 is also allowed.

With people’s growing concerns about health today, swimming and spa fitness have become a hot topic. Therefore, people are more concerned about the quality of pool water, and the health and epidemic prevention departments and managers of pool water are also very concerned about this issue; but in today’s pool managers ( Even in the case of swimming pool equipment providers, there is a common misconception that if the quality of the pool water changes, there is a problem with the filtration of the circulating equipment or the circulation period is too long, so when the pond water appears such problems, it will increase the circulation blindly. Quantity, or find equipment manufacturers are asking.

The filtration equipment that is commonly used today is basically a sand filtration system. The best sand filtration system cannot do anything when it encounters particles smaller than 25 micrometers, especially in some high-temperature pools such as SPA and spa pools. The high temperature causes the body's metabolites to be secreted (such as oils and fats) and remain in the water. After being wrapped around the filter material, the filter material will fail for a long time. Even if the backwash or even the sand change, this problem will not be completely solved. Another example is that many swimming pools open some swimming classes for children in the summer, but one problem is that the urea in the pool exceeds the standard for the end of each training class. This is simply because filtration cannot be eliminated.

In fact, such open pool water as swimming pools, spa pools, etc., as long as someone enters the pool water, the pool water is contaminated, but the degree of pollution is the size of the problem, many people are more polluting, the load of the pool water is large; when the pollutants Beyond the filtration range of the filter, it is necessary to use other methods to rescue the pool water. The traditional method is to add some chemicals for water purification treatment to the water. Although these chemicals can also achieve the effect of reducing pollution and clarifying water, But at the same time it will have an impact on the water itself, such as aluminum sulfate flocculant, when it is added when the water will be more turbid, become the color of light milk, when it is completely precipitated, still need to clear the bottom sediment, The most critical factor is that the addition of aluminum sulfate will rapidly reduce the PH value of the pool water. If it is found to be not timely, it will directly cause bathers to complain about itchy skin and discomfort. In the past 40 years abroad, various water conditions for the swimming pool have been researched and developed. A group of professional agents for pool water treatment, which can achieve excellent water quality without any adverse effects and reduce the number of water treatment workers The intensity of the work.

The related water treatment chemicals include enzyme clarifiers, pool wall cleaners, and ultra-chlorine agents.

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