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Filtered water system

A water filtration and fine filtration technology, which is applied in the direction of filtration treatment, water pollutants, multi-stage water treatment, etc., can solve the problems of frequent replacement of filter elements by customers, short service life of filter elements, etc.

Pending Publication Date: 2018-09-14
FOSHAN SHUNDE MIDEA WATER DISPENSER MFG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with the parallel reverse osmosis filter system, if the reverse osmosis filter is connected in series, it can effectively increase the flow rate of raw water in the reverse osmosis filter, thereby improving the service life of the reverse osmosis filter. The service life of the filter element is shorter than that of the filter element in the upstream, causing customers to replace the filter element frequently

Method used

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Embodiment Construction

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0021] In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inside" and so on are based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have Certain orientations, const...

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Abstract

The invention discloses a filtered water system which comprises a plurality of fine filtration filter elements connected in series in sequence, and a first on-off valve, a second on-off valve, a thirdon-off valve and a fourth on-off valve arranged on a series flow path. By switching on-off states of the four on-off valves, sometimes raw water sequentially flows from the first of the plurality offine filtration filter elements to the last of the plurality of fine filtration filter elements via a raw water inlet, and then sequentially flows from the last of the plurality of fine filtration filter elements to the first of the plurality of fine filtration filter elements via the raw water inlet sometimes. According to the filtered water system disclosed by the invention, positive water intake and reverse water intake of the raw water in the plurality of fine filtration filter elements can be realized, so that the plurality of fine filtration filter elements connected in series have roughly consistent service life, and the problem that the last few, particularly the last one in the plurality of fine filtration filter elements connected in series is frequently blocked and needs to be often replaced can be improved.

Description

technical field [0001] The invention relates to the field of household electrical appliances, in particular to a water filtering system. Background technique [0002] The water filtration system in the related art is mainly of the reverse osmosis type. Due to the limitation of the size of the filter bottle, the existing large-flux reverse osmosis water filtration system generally adopts two-stage or multi-stage reverse osmosis filter elements connected in parallel. Compared with the parallel reverse osmosis filter system, if the reverse osmosis filter is connected in series, it can effectively increase the flow rate of raw water in the reverse osmosis filter, thereby improving the service life of the reverse osmosis filter. However, the series system has a defect, that is, the downstream of the system The service life of the filter element is shorter than that of the filter element upstream, causing customers to replace the filter element frequently. Contents of the invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D61/12C02F1/44C02F101/12C02F101/20
CPCB01D61/12C02F1/001C02F1/441C02F2301/08C02F2303/02C02F2303/04C02F2101/203C02F2101/12B01D2317/02B01D2315/12B01D61/026
Inventor 李伟蔡雪刚何志锋
Owner FOSHAN SHUNDE MIDEA WATER DISPENSER MFG
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