Importance

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Abstract

A liquid treatment system and a cleaning arrangement, wherein said liquid treatment system comprises at least one ultra-violet (UV) light treatment lamp arranged within an elongated protective UV-transparent sleeve provided along a central longitudinal axis A, said sleeve having an outer surface and an essentially circular cross-sectional shape; and a reactor configured to receive said sleeve, whereby a liquid treatment chamber for receiving liquid to be treated, is provided between an inner surface of the reactor and the outer surface of the sleeve; wherein said liquid treatment system further comprises at least one cleaning arrangement comprising at least one coil spring, which is wrapped around at least a part of a circumference of the sleeve such that a spring force of the at least one coil spring will press the coil spring towards the sleeve, wherein said cleaning arrangement is configured to be moved along the sleeve and the coil spring will clean the outer surface of the sleeve, wherein said cleaning arrangement comprises at least two coil springs which are mounted in a holder of the cleaning arrangement such that the coil springs together wrap over essentially the whole circumference of the sleeve.

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First Claim