| 摘要 |
An electrically powered apparatus for generating a solute such as chlorine to sanitise a body of water such as a pool or spa is disclosed. A by-product of the generation is an explosive gas such as hydrogen. The apparatus includes an electrolytic cell (1) adapted to operate in a substantially vertical orientation through a range of 45 degrees either side of the vertical; a water inlet (13) and outlet (14) both located at the lower end of the electrolytic cell (1); and a defined space (16) surrounding one or more electrodes (28) of the electrolytic cell (1). In the event that water flow through the apparatus ceases and the electrolytic cell (1) continues to produce the explosive gas, the explosive gas will displace water in the defined space (16) until there is no water around the electrodes (28).
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