Do you know the water circulation method in the swimming pool? Do you know how to choose? Don't worr
Category: Industry News
Date: 2021-03-10
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Author: ESPA
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Do you know the water circulation method in the swimming pool? Do you know how to choose? Don't worry, you will know after reading the article~

The swimming pool has a large water volume. A standard pool of 50m*25m*2m has a volume of more than 2500m³. In order to ensure the sanitation and health of the pool water, part of the polluted pool water is discharged while supplementing fresh water. This way, the water consumption is huge. The scarcity of water resources in our country is unbearable. In addition, during the use of swimming pools, the water contains certain polluting microorganisms, bacteria, and chemical residues by-products. If the natural water system is discharged, it will cause pollution to the natural water system and affect the growth of aquatic organisms. Bring harm.


Swimming pools are generally built indoors "constant temperature" pools. In order to ensure the comfort of the pool water, the pool water is heated, and heating while discharging will cause huge energy waste. Then, the emergence of the pool water cycle meets the requirements of saving water resources, reducing emissions, environmental protection, and saving energy. The swimming pool water circulation system is like human blood, which is constantly flowing, processing, and renewing, so as to ensure the water quality is clear.


Pool water circulation is the first key element in the pool water circulation purification treatment system to ensure that the pool water meets the hygienic standards. Let's give a detailed description of the pool water circulation method below!


What are the basic requirements for pool water circulation?


After purification, the pool water should be evenly distributed to all parts of the pool, and the unpurified pool water in the pool should be replaced, updated and discharged evenly and orderly, and enter the pool water purification treatment system. The purpose is to exchange all the water in the pool. , For this to do the following points:


1. Carefully analyze from the perspective of hydraulics and technology, and arrange the position of the water supply in the pool scientifically and reasonably to ensure that the following requirements are met:


(1) The balance of the water flow of the water inlet and the water return under the specified flow


(2) The purified pool water can be evenly distributed in the pool and flow in an orderly manner, without short currents, eddy currents and dead water areas


(3) Prevent the water flow in a part of the pool from being faster and the other part of the pool from being slow, causing uneven water quality in the pool


2. It should meet the requirement of self-filling water suction by the pool water circulating pump to facilitate the automatic operation of the pool water circulating purification treatment system


3. The environment around the pool should be kept sanitary to avoid pollution from the pool bank entering the pool


4. Facilitate the maintenance and management during the construction, installation, and use of the water supply port, backwater port, drain port, circulating water pipes and attached accessories in the pool.



Knowing the requirements of pool water circulation, what are your pool water circulation methods?


Pool water circulation method refers to the way in which the inlet water (feed water) and outlet water (return water) flow in the pool.

There are three ways to circulate the existing pool water


Downstream pool water circulation method

All the circulating water is sent into the swimming pool through the water supply port located below the pool water surface on the end wall or side wall of the swimming pool, and then sucked by the water return port located at the bottom of the swimming pool through the circulating water pump and sent to the filter to remove the backwater. Contaminants, reduce the turbidity of the return water, and after the filtered circulating water is heated, water quality balanced and disinfected, it is then sent back to the swimming pool to continue to use a water flow organization method. There should be no less than 2 backwater outlets at the bottom of the pool, and there should be a certain distance between the backwater outlets to prevent being blocked by swimmers or other things, and reduce the circulating water volume and affect the water quality of the pool. The 2 backwater outlets must not be connected in series to prevent uneven backwater.


Counter-current pond water circulation method

The entire circulating water volume of the swimming pool is sent into the swimming pool through the water supply port or water trough located at the bottom of the pool. The pool water returns through the overflow weir of the pool wall and enters the overflow return trough located immediately outside the pool wall, and the overflow return water passes through the device. At the overflow and return port at the bottom of the tank, it merges into the return pipe, gravity flows into the equalization pool, and the circulating water pump sucks water from the equalization pool and sends it to the filter to remove impurities in the return water, reduce the turbidity of the return water, and heat the filtered circulating water After the water quality is balanced and disinfected, it is then sent back to the swimming pool from the water supply port or the water tank at the bottom of the pool to continue using the water flow organization.


Francis pool water circulation method

In this form, the entire circulating water volume of the swimming pool is sent into the swimming pool through a water supply port or a water supply tank located at the bottom of the swimming pool, and 75%-85% of the circulating water volume is retrieved from the overflow return tank immediately outside the side wall of the swimming pool. , The other 20%~25% of the circulating water is retrieved from the backwater outlet at the bottom of the swimming pool, and the two parts of the circulating water are combined and sent to the filter to remove the magazines in the returned water, reduce the turbidity of the returned water, and filter the After the circulating backwater is heated, water quality balanced and disinfected, it is returned to the swimming pool through the water supply port or the water tank at the bottom of the pool to continue to use the circulating water flow organization method.



What are the advantages and disadvantages of the three different circulation methods, and how should we choose?


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