CN-224212458-U - Electrochemical water treatment module and water purification system

CN224212458UCN 224212458 UCN224212458 UCN 224212458UCN-224212458-U

Abstract

The utility model discloses an electrochemical water treatment module and a water purification system, and belongs to the technical field of water treatment. The electrochemical water treatment module comprises an anode electrode, a cathode electrode, two anion exchange membranes and two cation exchange membranes. Wherein, two acidic water chambers are formed between the anode electrode and the two anion exchange membranes respectively, two alkaline water chambers are formed between the cathode electrode and the two cation exchange membranes respectively, and a water purifying chamber is formed between the anion exchange membrane and the cation exchange membrane between the anode electrode and the cathode electrode. When the anode electrode and the cathode electrode are connected with a power supply, water containing electrolyte enters the electrochemical water treatment module and flows through the two acidic water chambers, the two alkaline water chambers and the water purification chamber respectively, and acidic water, purified water and alkaline water are generated under the action of an electric field force. Different water qualities can be flexibly combined according to requirements, and the electrochemical water treatment module is suitable for medical treatment, agriculture, industry and family scenes, and improves the applicability of the electrochemical water treatment module.

Inventors

MA YIWEN
YU SHUANG
YAN JIANYONG
XU HUAIYOU

Assignees

厦门百霖净水科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250521

Claims (10)

1. An electrochemical water treatment module is characterized by comprising an anode electrode, a cathode electrode, two anion exchange membranes and two cation exchange membranes; the anode electrode and the cathode electrode are arranged at intervals; The two anion exchange membranes are respectively positioned at two sides of the anode electrode, and two acidic water chambers are respectively formed between the anode electrode and the two anion exchange membranes; the two cation exchange membranes are respectively positioned at two sides of the cathode electrode, and two alkaline water chambers are respectively formed between the cathode electrode and the two cation exchange membranes; A clean water chamber is formed between the anion exchange membrane and the cation exchange membrane between the anode electrode and the cathode electrode.
2. The electrochemical water treatment module of claim 1, further comprising a plurality of water conducting grids respectively positioned between the anode electrode and the adjacent anion exchange membrane, between the adjacent anion exchange membrane and the cation exchange membrane, and between the cathode electrode and the adjacent cation exchange membrane.
3. The electrochemical water treatment module of claim 1, wherein the electrochemical water treatment module has a first water inlet, a first water outlet, a second water inlet, a second water outlet, a third water inlet, and a third water outlet; The first water inlet is communicated with one ends of the two acidic water chambers, and the first water outlet is communicated with the other ends of the two acidic water chambers; The second water inlet is communicated with one end of the water purifying chamber, and the second water outlet is communicated with the other end of the water purifying chamber; The third water inlet is communicated with one ends of the two alkaline water chambers, and the third water outlet is communicated with the other ends of the two alkaline water chambers.
4. The electrochemical water treatment module of claim 1, wherein the cathode electrode and the anode electrode each comprise a first adsorptive coating, a conductive wire mesh, and a second adsorptive coating in a stacked arrangement, wherein the first adsorptive coating and the second adsorptive coating each have a reducing property.
5. The electrochemical water treatment module of claim 4, wherein the first and second adsorption coatings each have a plurality of microporous structures thereon, and the microporous structures have diameters ranging from 2 nm to 10 nm.
6. The water purification system is characterized by comprising an electrochemical water treatment module, a water source, a plurality of first water inlets, a plurality of first water outlets, a water outlet, a plurality of first waste water paths and a waste water discharge port; The electrochemical water treatment module comprises the electrochemical water treatment module of any one of claims 1 to 5, wherein the electrochemical water treatment module is provided with an acidic water chamber, an alkaline water chamber and a purified water chamber; The water inlet ends of the first water inlet channels are communicated with the water source, and the water outlet ends of the first water inlet channels are respectively communicated with the water inlet of the acidic water chamber, the water inlet of the alkaline water chamber and the water inlet of the water purifying chamber; The water inlet ends of the first water outlet paths are respectively communicated with the water outlet of the acidic water chamber, the water outlet of the alkaline water chamber and the water outlet of the water purifying chamber, and the water outlet ends of the first water outlet paths are communicated with the water outlet; The water inlet ends of the first waste water paths are respectively communicated with the water outlet of the acidic water chamber and the water outlet of the alkaline water chamber, and the water outlet ends of the first waste water paths are communicated with the waste water discharge port.
7. The water purification system of claim 6, further comprising a reverse osmosis cartridge, a second water inlet path, a clean water path, and a second waste water path; the water inlet end of the second water inlet channel is communicated with the water source, the water outlet end of the second water inlet channel is communicated with the water inlet of the reverse osmosis filter element, and the reverse osmosis filter element is provided with a purified water outlet and a waste water outlet; The water inlet end of the water purifying path is communicated with the water purifying outlet of the reverse osmosis filter element, and the water outlet end of the water purifying path is communicated with the water inlet of the water purifying chamber and the water inlet of the alkaline water chamber; The water inlet end of the second waste water channel is communicated with the waste water port of the reverse osmosis filter element, and the water outlet end of the second waste water channel is communicated with the water inlet of the acidic water chamber and the water inlet of the alkaline water chamber.
8. The water purification system of claim 7, further comprising a cartridge water purification valve, wherein the water purification outlet of the reverse osmosis cartridge is in communication with the water outlet through the cartridge water purification valve.
9. The water purification system of claim 6, further comprising an acid water storage tank, an alkaline water storage tank, an acid water storage circuit, an alkaline water storage circuit, a backwash pump, a backwash water inlet circuit, and a backwash waste circuit; The water inlet end of the acid water storage channel is communicated with the water outlet of the acid water chamber, and the water outlet end of the acid water storage channel is communicated with the water inlet of the acid water storage tank; The water inlet end of the alkaline water storage channel is communicated with the water outlet of the alkaline water chamber, and the water outlet end of the alkaline water storage channel is communicated with the water inlet of the alkaline water storage tank; The water inlet end of the backwashing water inlet path is communicated with the water outlet of the acid water storage tank and the water outlet of the alkaline water storage tank, the water outlet end of the backwashing water inlet path is communicated with the water inlet of the acid water chamber, the water inlet of the alkaline water chamber and the water inlet of the water purification chamber, and the backwashing pump is arranged on the backwashing water inlet path; The water inlet end of the backwashing waste water path is communicated with the water outlet of the acid water chamber, the water outlet of the alkaline water chamber and the water outlet of the purified water chamber, and the water outlet end of the backwashing waste water path is communicated with the waste water discharge port, the acid water storage tank and the alkaline water storage tank.
10. The water purification system of claim 6, further comprising a plurality of flow restrictor valves; The plurality of flow limiting valves are respectively arranged at the water inlet of the acidic water chamber, the water inlet of the alkaline water chamber and the water inlet of the water purifying chamber.

Description

Electrochemical water treatment module and water purification system Technical Field The utility model relates to the technical field of water treatment, in particular to an electrochemical water treatment module and a water purification system. Background With the development of production technology, the requirements on water quality are higher and higher in the production process and daily life. In order to ensure the safety of drinking water, improve the efficiency of industrial water, reduce environmental pollution and meet the special requirements in the fields of agriculture, medical treatment and the like, physical, chemical or biological means are generally adopted to remove impurities (such as suspended matters, pathogenic microorganisms, heavy metals, organic pollutants, inorganic salts and the like) harmful to human health, industrial production or ecological environment in water, so that the water quality which is safe, clean and meets the requirements of specific use is obtained. At present, when water is purified, capacitive deionization (English: CAPACITIVE DEIONIZATION; abbreviated as CDI), electrodialysis (English: electrodialysis; abbreviated as ED) or reverse osmosis technology is generally used, wherein capacitive deionization is a desalination technology based on the principle of electro-adsorption, and charged ions are adsorbed on the surface of an electrode by applying low voltage, so that salt in the water is removed. Electrodialysis is an electrochemical separation technology for desalting or concentrating a solution by utilizing an ion selective exchange membrane and a direct current electric field, and reverse osmosis is a technology for separating dissolved substances in water by utilizing a semipermeable membrane so as to achieve the aim of purifying the water. However, when the current technology is used for treating water, more waste water is generated, which is easy to cause water resource waste and increase the risk of environmental pollution. Disclosure of utility model The embodiment of the utility model provides an electrochemical water treatment module and a water purification system, and the technical scheme is as follows: according to an aspect of the present utility model, there is provided an electrochemical water treatment module comprising: An anode electrode, a cathode electrode, two anion exchange membranes and two cation exchange membranes; the anode electrode and the cathode electrode are arranged at intervals; The two anion exchange membranes are respectively positioned at two sides of the anode electrode, and two acidic water chambers are respectively formed between the anode electrode and the two anion exchange membranes; the two cation exchange membranes are respectively positioned at two sides of the cathode electrode, and two alkaline water chambers are respectively formed between the cathode electrode and the two cation exchange membranes; A clean water chamber is formed between the anion exchange membrane and the cation exchange membrane between the anode electrode and the cathode electrode. Optionally, the electrochemical water treatment module further comprises a plurality of water guide grids respectively positioned between the anode electrode and the adjacent anion exchange membrane, between the adjacent anion exchange membrane and the cation exchange membrane, and between the cathode electrode and the adjacent cation exchange membrane. Optionally, the electrochemical water treatment module is provided with a first water inlet, a first water outlet, a second water inlet, a second water outlet, a third water inlet and a third water outlet; The first water inlet is communicated with one ends of the two acidic water chambers, and the first water outlet is communicated with the other ends of the two acidic water chambers; The second water inlet is communicated with one end of the water purifying chamber, and the second water outlet is communicated with the other end of the water purifying chamber; The third water inlet is communicated with one ends of the two alkaline water chambers, and the third water outlet is communicated with the other ends of the two alkaline water chambers. Optionally, the cathode electrode and the anode electrode each include a first adsorption coating, a conductive wire mesh, and a second adsorption coating that are stacked, and the first adsorption coating and the second adsorption coating each have reducibility. Optionally, the first adsorption coating and the second adsorption coating are provided with a plurality of micropore structures, and the diameter range of the micropore structures is 2-10 nanometers. According to another aspect of the present utility model, there is provided a water purification system including an electrochemical water treatment module, a water source, a plurality of first water inlets and outlets, a plurality of first water outlets and outlets, a plurality of first waste water paths, and a waste w