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Water treatment system with ozone enhanced electric filtration and water treatment method

A water treatment system and electric filtration technology, applied in the directions of oxidized water/sewage treatment, filtration treatment, water/sewage treatment, etc., can solve the problems of cumbersome process, pollution of filter membrane or electrode, etc., to improve treatment efficiency, simplify equipment, Improve the effect of mass transfer in the system

Active Publication Date: 2022-01-25
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the actual water body often contains various impurities, which will pollute the filter membrane or electrodes during the water treatment process, while the traditional cleaning or backwashing procedures are often cumbersome and often require interruption of water treatment operations

Method used

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  • Water treatment system with ozone enhanced electric filtration and water treatment method
  • Water treatment system with ozone enhanced electric filtration and water treatment method
  • Water treatment system with ozone enhanced electric filtration and water treatment method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as figure 1 As shown, the water treatment system of a kind of ozone-enhanced electric filtration disclosed by the present invention comprises a water inlet pump 1, a water inlet valve 2, an electrochemical / ozone reaction device 3, a power supply 4, an air inlet valve 5, an ozone generator 6 and a water outlet valve 7. The water inlet pump 1, the water inlet valve 2, the electrochemical / ozone reaction device 3 and the water outlet valve 12 are connected in sequence; the electrochemical / ozone reaction device 3 is provided with a purification unit 7; the purification unit 7 cleans the electrochemical / ozone reaction device 3 internal space It is divided into water inlet area 3-1, purification unit area 7, first-level purification water output area 3-3 and third-level purification water output area 3-6; purification unit 7 is provided with anode 8 and cathode 9, respectively connected to the positive ,negative electrode. The anode 8 and the cathode 9 are cylindrical, ...

Embodiment 2

[0050] Such as figure 2 As shown, it is the same as that in Example 1, except that the electrochemical / ozone reaction device can include four purification units 7 arranged in parallel arrays, and the water treatment system also includes a backwashing device. The backwashing device includes a backwashing motor 13 , a backwashing sealing pipe 14 , a backwashing water outlet pipe 15 , a connecting piece 16 , a connecting sleeve 17 , and a backwashing water outlet valve 18 . The backwash motor 13 is connected to the backwash seal pipe 14, and the backwash seal pipe 14 is connected to the backwash outlet pipe 15 through a connecting piece 16; the diameter of the backwash seal pipe 14 is larger than the diameter of the second anode 8-2; the backwash The water outlet pipe 15 has the same pipe diameter as the first anode 8-1; the backwash motor 13 drives the backwash sealing pipe 14 and the backwash outlet pipe 15 to rotate, so that they can be connected to the upper end of the secon...

Embodiment 3

[0059] Such as image 3 As shown, with embodiment 2, the difference is that the water treatment system also includes an ozone concentration monitor 19, a gas flow meter 20, a liquid flow meter 21, a residual oxide concentration monitoring sensor 22, a No. 1 pressure sensor 23, and No. 2 pressure sensors. Pressure sensor 24 and control unit 25 . Ozone generator 6 is sequentially connected with ozone concentration monitor 19, gas flow meter 20, and aeration pan 10; liquid flow meter 21, residual oxide concentration monitoring sensor 22 is connected with water outlet valve 12 in sequence, and placed in the three-stage purification water outlet area On the water outlet pipeline of 3-6; No. 1 pressure sensor 23 is placed on the side wall of the water inlet area 3-1 at the lower end of the electrochemical / ozone reaction device 3; No. 2 pressure sensor 24 is placed at the upper end of the electrochemical / ozone reaction device 3 for three-stage purification The side wall of the water...

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Abstract

The invention discloses a water treatment system with ozone enhanced electric filtration and a water treatment method. The water treatment system comprises a water inlet pump, an electrochemical / ozone reaction device, a power supply and an ozone generator. The water inlet pump and the electrochemical / ozone reaction device are sequentially connected, wherein a purification unit is arranged in the electrochemical / ozone reaction device, and the purification unit is provided with an anode and a cathode which are respectively connected to the positive electrode and the negative electrode of a power supply; and the anode and the cathode are cylindrical, the cathode is arranged in the internal space of the anode in parallel, the anode and the cathode are divided into an upper part and a lower part with different water permeability through an aeration disc in the cathode and a one-way valve between the anode and the cathode, and the ozone generator is connected with an air inlet in the lower part of the cathode. The water treatment system further comprises a backwashing device and an automatic control system. Based on the reaction principle of electrofiltration / ozone coupling, the water treatment system is compact in structure and simple and convenient to operate. The system is used for water treatment, wherein the treatment efficiency is high, and the effect is good.

Description

technical field [0001] The invention relates to a water treatment system and a method for treating water, in particular to a water treatment system for ozone-enhanced electric filtration and a method for treating water, and belongs to the field of water treatment systems and methods. Background technique [0002] Water pollution threatens aquatic ecological security and human health, and the development of efficient water treatment technologies and devices is of great significance. In recent years, ozonation and electrochemical water treatment technologies have been favored by people because of their simple operation and high efficiency. When the two are coupled, especially when carbon-based electrodes are used, the electro-ozonation reaction can be triggered, and a synergistic treatment effect can be achieved by generating highly active hydroxyl radicals. [0003] At present, in the ozone-based advanced oxidation water treatment, a big defect is that the ozone dissolved in...

Claims

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Application Information

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IPC IPC(8): C02F9/06
CPCC02F9/00C02F1/001C02F1/4672C02F1/4676C02F1/78C02F2303/14C02F2209/005
Inventor 吴东海陆光华房汉雨王永花刘建超闫振华
Owner HOHAI UNIV
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