A method for the filtration of water and water purification plant.

摘要

A method for the filtration of feed water with a filtering unit, wherein by means of a pump unit, comprising a drive and a pump provided with a pump housing, a water inlet opening and a water outlet opening, feed water is fed through the water inlet opening to the pump and is fed through the pump's water outlet opening to the filter unit and filtered, which method is characterised in that feed water is fed to the exterior of the pump for the purpose of cooling the pump. ??The invention further relates to a device for the purification of water, comprising cooling provisions for cooling the pump unit, and which cooling provisions are suitable for using feed water to externally cool at least a portion of the pump unit.