Powder dropping preventive water dispenser with polypropylene (PP) film activated carbon filter elements

Abstract

The invention provides a powder dropping preventive water dispenser with polypropylene (PP) film activated carbon filter elements. The water dispenser comprises a front PP cotton filter element, a front-end activated carbon filter element, a rear PP cotton filter element, an RO (reverse osmosis) booster pump, an RO component, a rear-end activated carbon filter element, an ultraviolet sterilizer and a water outlet which are connected in sequence, wherein the front PP cotton filter element and the rear PP cotton filter element comprise a first PP cotton filter layer and a second PP cotton filter layer which are arranged in sequence in the water flow direction, the pore diameter of each PP cotton filter layer is reduced gradually in the water flow direction, the pore diameter of the first PP cotton filter layer is larger than that of the second PP cotton filter layer and is 4.5 mu m, and the pore diameter of the second PP cotton filter layer is 1.5 mu m; and the front-end activated carbon filter element and the rear-end activated carbon filter element comprise a cylindrical hollow filter casing, a water inlet and the water outlet are formed in two ends of the filter casing respectively, a cylindrical filter screen is arranged in the filter casing and is closely attached to the inner wall of the filter casing, and an activated carbon film is arranged in the filter screen.

Description

technical field [0001] The invention relates to drinking water evolution equipment, and provides a water dispenser with a powder-drop-proof polypropylene membrane layer activated carbon filter element. Background technique [0002] With the advancement and development of science and technology and the provision of people's material and cultural living standards, people pay more and more attention to the problem of healthy drinking water. As water is the source of life, the quality of drinking water is closely related to people's health. However, with the rapid economic development, environmental pollution is also becoming more and more serious, especially the pollution of drinking water is prominent. At present, the drinking water of urban residents is the tap water provided by the waterworks that has not yet reached the clean water quality requirements, and directly consuming it is harmful to health. Water quality pollution is caused by water source pollution, insuffic...

AI Technical Summary

Problems solved by technology

For this reason, there are various water purification equipment on the market, and activated carbon filter device is a common device in water purification equipment, but the activated carbon is mostly packed in granules, which is easy to drop powder. After long-term use, the powder is easy to cause blockage and affect its use. performance

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