Water purifier for removing micro-plastics in drinking water
By combining fiber filtration, ceramic filtration, and graphene adsorption units in a multi-stage filtration process, the problem of existing equipment's inefficient removal of microplastics has been solved, achieving highly efficient removal of microplastics while reducing energy consumption and operating costs.
Patent Information
- Application Number
- CN202520398854.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing water purification equipment is difficult to remove microplastics from drinking water efficiently and economically, and it also suffers from problems such as low efficiency and easy clogging.
A combination of fiber filtration units, ceramic filtration units, and graphene adsorption units is used to remove microplastics through multi-stage filtration and adsorption technology. Filters of 10-50 micrometers and 1-10 micrometers and nanoscale graphene-based media are used for step-by-step filtration and adsorption, respectively.
It significantly improves the removal rate of microplastics, reaching over 98%, while reducing energy consumption and operating costs, making it suitable for home point-of-use water purification.
Smart Images
Figure CN223892598U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to drinking water treatment technical field, concretely, the utility model relates to a water purifier for removing microplastics in drinking water. BACKGROUND
[0002] In recent years, the microplastic pollution problem in drinking water has attracted widespread attention worldwide. Microplastics refer to plastic particles with a particle size of less than 5 millimeters. As a new type of pollutant, its spread and accumulation in the water environment not only pose a threat to the ecological system, but also have serious harm to human health. Traditional water purification equipment (such as activated carbon filter, reverse osmosis equipment, etc.) can remove part of the microplastics, but has the problems of low efficiency, high cost and easy to block. Therefore, it is of great significance to develop a high-efficiency, economical and easy-to-maintain microplastic removal equipment. SUMMARY
[0003] The utility model aims at providing a water purifier for removing microplastics in drinking water, which significantly improves the removal rate of microplastics through filtration and adsorption technology, while saving energy and reducing equipment operation cost.
[0004] In order to achieve the above-mentioned purpose, the utility model provides a water purifier for removing microplastics in drinking water, which comprises a fiber filtration unit, a ceramic filtration unit and a graphene adsorption unit connected in sequence through a pipeline and a support, the fiber filtration unit, the ceramic filtration unit and the graphene adsorption unit are fixed on the support, the fiber filtration unit is internally provided with a fiber filter core with a pore size of 10-50 microns, the ceramic filtration unit is internally provided with a ceramic filter core with a pore size of 1-10 microns, and the graphene adsorption unit is internally provided with a nanoscale graphene-based adsorption medium.
[0005] The water purifier of the utility model purifies water as follows: tap water first enters the fiber filtration unit, is filtered by the fiber filter core with a pore size of 10-50 microns to remove microplastics with larger particle size; then enters the ceramic filtration unit, is filtered by the ceramic filter core with a pore size of 1-10 microns to further remove microplastics with smaller particle size; finally, the water enters the graphene adsorption unit, passes through the nanoscale graphene-based medium to adsorb nanoscale microplastics and organic pollutants in the water.
[0006] Compared with the prior art, the utility model has the following advantages:
[0007] 1. Effectively removes microplastics, with a removal rate of more than 98%;
[0008] 2. Combining filtration and adsorption, step-by-step filtration to remove microplastics of different particle sizes;
[0009] 3. Relies on the pressure of tap water to reduce energy consumption and operating cost. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 is a structure diagram of the water purifier of the utility model;
[0011] Wherein 1 - fiber filter unit, 2 - ceramic filter unit, 3 - graphene adsorption unit, 4 - support. DETAILED DESCRIPTION
[0012] The utility model is described in detail below in combination with examples and drawings. The present embodiment is a non-limiting embodiment of the utility model.
[0013] In the present embodiment, the water purifier for removing microplastics in drinking water is installed in a family, and the water source is municipal tap water. The water purifier comprises a fiber filter unit (1), a ceramic filter unit (2) and a graphene adsorption unit (3) connected in sequence by pipelines, and a support (4). The fiber filter unit (1), the ceramic filter unit (2) and the graphene adsorption unit (3) are fixed on the support (4). The fiber filter unit (1) is internally provided with a fiber filter element with a pore size of 10-50 microns. The ceramic filter unit (2) is internally provided with a ceramic filter element with a pore size of 1-10 microns. The graphene adsorption unit (3) is internally provided with nanoscale graphene-based adsorption medium.
[0014] The water purification process of the water purifier of the utility model is as follows: tap water first enters the fiber filter unit (1), is filtered by a fiber filter element with a pore size of 10-50 microns to remove microplastics with a larger particle size, then enters the ceramic filter unit (2), is filtered by a ceramic filter element with a pore size of 1-10 microns to further remove microplastics with a smaller particle size, and finally enters the graphene adsorption unit (3) to be adsorbed by nanoscale graphene-based medium to remove nanoscale microplastics and organic pollutants in water.
[0015] After detection, the removal rate of microplastics in the present embodiment is 99%.
[0016] The utility model has the advantages of effectively removing microplastics with a removal rate of more than 98%, combining multi-stage filtration with adsorption to remove microplastics with different particle sizes in stages, relying on the pressure of tap water to reduce energy consumption and operating cost, and being suitable for household terminal water purification.
Claims
1. A water purifier for removing microplastics from drinking water, characterized in that, The device includes a fiber filter unit, a ceramic filter unit, and a graphene adsorption unit connected in sequence via pipelines, as well as a support. The fiber filter unit, ceramic filter unit, and graphene adsorption unit are fixed on the support. The fiber filter unit has a built-in fiber filter element with a pore size of 10-50 micrometers, the ceramic filter unit has a built-in ceramic filter element with a pore size of 1-10 micrometers, and the graphene adsorption unit has a built-in nanoscale graphene-based adsorption medium.