Фильтры для умягчения воды удаляют ионы магния и кальция или заменяют их. Для этого в качестве фильтрующей среды используются ионообменные смолы, которые заменяют двухвалентные ионы кальция и магния на одновалентные ионы натрия. Таким образом, количество солей в жидкости останется аналогичным, меняется лишь их состав. Соли жесткости меняются на соли натрия, которые не будут оседать, и образовывать накипь на посуде, трубах отопления, на нагревательных элементах бытовых приборов и т. д.
Подобные установки, конечно же, используются в совокупности с другими фильтрами системы очистки загородного дома и перед ними, как правило, устанавливают фильтры для очистки воды от железа и механических примесей. Такой порядок обеспечивает эффективное удаление солей жесткости.
Для восстановления свойств ионообменной http://grunt.dostavka.biz.ua - продам подсыпку смолы ее промывают регенерационным раствором. Для управления этим процессом установка умягчения может снабжаться как автоматическим, так и ручным клапаном.
Фильтры умягчения можно разделить на два типа - периодического или непрерывного действия.
Первый тип - фильтры периодического действия - используются в загородных домах, заведениях общепита и т. п.

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