Мембранный насос

Основная статья: Насос
CFD-анимация работы мембранного насоса

Мембранный насос (также диафрагменный насос или диафрагмовый насос) — объёмный насос, рабочий орган которого — гибкая пластина (диафрагма, мембрана), закреплённая по краям; пластина изгибается под действием рычажного или кулисного механизма (механический привод), соленоида или в результате изменения давления воздуха (пневматический привод) или жидкости (гидравлический привод), выполняя функцию, эквивалентную функции поршня в поршневом насосе.

Мембранные насосы могут применяться когда необходимо перекачивать вязкие, загрязнённые или агрессивные жидкости под небольшим давлением. Например в строительстве используются мембранные растворонасосы, для подачи раствора к месту укладки при больших объемах работ[1][2]. Правда для перекачки минеральных масел данные насосы непригодны, за исключением тех случаев, когда мембрана и уплотнения делаются из прочного и стойкого к маслу и окислительным средам фторкаучука. Также используются в качестве автомобильных бензонасосов.

Примечания

  1. ↑ В.И. Турк, А.В. Минаев, В.Я. Карелин. Насосы и насосные станции. — 1976. — С. 110. — 304 с.
  2. ↑ Т.М. Башта. Объёмные насосы и гидравлические двигатели гидросистем. — 1974. — С. 363. — 606 с.

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