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发明公开
CN108946870A 纯水机、反渗透过滤系统及其控制方法 审中-实审

纯水机、反渗透过滤系统及其控制方法
摘要：
本发明公开了一种纯水机、反渗透过滤系统及其控制方法，其中，该反渗透过滤系统包括增压泵、第一支路、第二支路和串联的至少两个反渗透滤芯，增压泵经第一电磁阀连接首个反渗透滤芯的原水入口，末个反渗透滤芯的浓水出口经第二电磁阀连接废水节流部件；第一支路的入口端设置在增压泵和第一电磁阀之间的任意节点，第一支路的出口端经第三电磁阀与末个反渗透滤芯的浓水出口连接；第二支路的入口端设置在第一电磁阀和首个反渗透滤芯的原水入口之间的任意节点，第二支路的出口端设置在第二电磁阀和废水节流部件之间的任意节点，第二支路上设置有第四电磁阀。本发明提出的纯水机、反渗透过滤系统及其控制方法可以实现各反渗透滤芯寿命一致。
摘要（英）：

The invention discloses a water purifier, a reverse osmosis filtration system and a control method thereof. The reverse osmosis filtration system comprises a booster pump, a first branch, a second branch and at least two reverse osmosis filter elements connected in series. The booster pump is connected to the raw water inlet of the first reverse osmosis filter element through a first electromagnetic valve, and the concentrated water outlet of the last reverse osmosis filter element is connected to a waste water throttling member through a second electromagnetic valve. An inlet end of the firstbranch is arranged at an arbitrary node between the booster pump and the first electromagnetic valve, and an outlet end of the first branch is connected with the concentrated water outlet of the lastreverse osmosis filter element through a third electromagnetic valve. An inlet end of the second branch is disposed at an arbitrary node between the first electromagnetic valve and the raw water inlet of the first reverse osmosis filter element, an outlet end of the second branch is disposed at an arbitrary node between the second solenoid valve and the waste water throttling member, and a fourthelectromagnetic valve is disposed on the second branch. The water purifier, the reverse osmosis filtration system and the control method thereof provided by the invention can realize that the servicelife of each reverse osmosis filter element is identical.

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