Method and device for purification of a liquid
First Claim
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1. Method for purifying liquid comprising:
- passing liquid through a purification chamber (19), activating a UV light source (22) for lighting up, which UV light source contains a gas and is arranged in the purification chamber, illuminating the liquid in the purification chamber with UV light by means of the UV light source, when this is lit up, characterized by heating up the gas to a raised temperature in relation to the surroundings outside the purification chamber, in a standby mode prior to activation for lighting up, by means of a heat-generating element (30) which is arranged outside the UV light source.
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Abstract
Method for purification of a liquid, which method comprises the steps of; conducting the liquid through a purifying chamber (19), activating a UV light source (22) comprising a gas for lighting and illuminating the liquid in the chamber by the UV-light source. In order to increase the efficiency and shortening the start-up time of the UV light source, the gas is heated to an increased temperature prior to activating the UV light source for lighting, using a heating element which is placed outside the WV light source.
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Citations
9 Claims
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1. Method for purifying liquid comprising:
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passing liquid through a purification chamber (19), activating a UV light source (22) for lighting up, which UV light source contains a gas and is arranged in the purification chamber, illuminating the liquid in the purification chamber with UV light by means of the UV light source, when this is lit up, characterized by heating up the gas to a raised temperature in relation to the surroundings outside the purification chamber, in a standby mode prior to activation for lighting up, by means of a heat-generating element (30) which is arranged outside the UV light source. - View Dependent Claims (2, 3, 4)
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- 5. Liquid purifier comprising a purification chamber (19), in which a tube (24) through which water passes and a UV light source (22) which contains a gas are arranged in such a way that the UV light source, when it is shining, illuminates the liquid in the tube with UV light, characterized by means for controlled heating up of the gas in the UV light source, which means comprises a heat-generating element (30) which is arranged outside the UV light source.
Specification