Continuous control of swimming pool water quality is necessary and vital due to the strict standard requirements. Hence, appropriate purification systems are used to properly treat the water. Pool water purification equipment is planned as a unit that, in addition to a swimming pool, also comprises: a chemical container, a compensation tank, a prefilter, a flow meter, filter pumps, automatic disinfectant and pH regulator dosing pumps, and a drain. The pipelines, valves and gate valves must be taken into account, as well as the measurement and regulation equipment, so that all elements will properly function as a whole. For this purpose, the diploma thesis focuses on the vacuum gauge in the chlorine cylinders, which represents the point of entry to the disinfection system.
The thesis is divided into several parts. It begins by defining the relevant safety and operational requirements as defined in the Protection against Drowning Act. This is followed by a brief presentation of the entire disinfection system, focusing on the dosing of chlorine and its effect on the water. The work continues by describing an automatic vacuum chlorinator manufactured by Controlmatik ABW d.o.o., which was also the main reason for developing the vacuum gauge. Afterwards, the thesis discusses in depth the basic building blocks of the circuit, their implementation, and the making of the end product. In the final part, the diploma thesis analyses the measurement accuracy of the vacuum sensor.
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