Self-cleaning water purifier

Abstract

A self-cleaning water purifier comprises a water purifier bottle. A water sealing baffle is arranged inside the water purifier bottle, a raw water storing cavity is arranged inside the water purifier bottle below the water sealing baffle, a raw water inlet and a flushing water outlet are arranged on the water purifier bottle, a primary filter element is mounted in the raw water storing cavity, a filtered water outlet extending out of the water sealing baffle is arranged at the top of the primary filter element, an upper water sealing device is arranged above the filtered water outlet, and a secondary filtering device is arranged between the upper water sealing device and the primary filter element. A central water baffle arranged in the middle of a modularized annular filter element is utilized to force water flow to flow around the central water baffle, and the water flow is enabled to flow along a longest passage to guarantee contact filtering effect; a compression airbag mounted in the upper water sealing device and a one-way valve arranged at a flushing hole of the primary filter element are utilized, so that back-flushing clean water is enabled to flow through a shortest passage to reduce loss, and back-flushing effect is guaranteed.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a self-cleaning water purifier. Background technique [0002] At present, common general water quality water purifiers usually use coarse filtration or microfiltration as the main filter function body. The interception performance is average, and it can only remove general particulate matter, rust, etc., but cannot remove colloidal substances and bacteria. Better ones will use Ultrafiltration filter element, the interception performance of ultrafiltration is obviously better than that of ordinary microfiltration filter element, but the conventional flushing control process is troublesome, generally only positive flushing can be performed, and the flushing recovery effect is poor, which often leads to too fast attenuation and too short life. In addition, the ultrafiltration filter element has very limited ability to remove heavy metal ions and small molecular organic matte...

AI Technical Summary

Problems solved by technology

[0002] At present, common general water quality water purifiers usually use coarse filtration or microfiltration as the main filter function body. The interception performance is average, and it can only remove general particulate matter, rust, etc., but cannot remove colloidal substances and bacteria. Ultrafiltration filter element, the interception performance of ultrafiltration is obviously better than that of ordinary microfiltration filter element, but the conventional flushing control process is troublesome, generally only positive flushing can be performed, and the flushing recovery effect is poor, which often leads to too fast attenuation and too short life

In addition, the ultrafiltration filter element has a very limited ability to remove heavy metal ions and small molecular organic matter, which makes it difficult to guarantee the safety of drinking water.

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