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Water treatment device of continuous flow ozone/ultraviolet/advanced oxidation

A water treatment device and advanced oxidation technology, applied in the direction of oxidation water/sewage treatment, water/sludge/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problems of inability to realize ozone oxidation and low ozone utilization rate, Achieve the effects of easy control, high ozone utilization rate and low treatment cost

Inactive Publication Date: 2010-03-03
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a continuous flow ozone / ultraviolet / advanced oxidation water treatment device to solve the problem that existing water treatment devices have low ozone utilization rate and cannot realize the gap between the processes of ozone oxidation, ultraviolet disinfection and advanced oxidation. Arbitrary combination and flexible switching

Method used

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  • Water treatment device of continuous flow ozone/ultraviolet/advanced oxidation

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specific Embodiment approach 1

[0008] Specific implementation mode one: as figure 1 As shown, the continuous flow ozone / ultraviolet / advanced oxidation water treatment device described in this embodiment is composed of an ozone generating unit I, a low-temperature water-bath dissolved ozone unit II, an advanced oxidation unit III and a peristaltic pump 13; the low-temperature water-bath dissolved ozone Unit II includes low temperature constant temperature tank 5, water bath box 36, dissolved ozone column 37, water supply column 38, high and low water level electronic water level switch 8, control component 7, air diffusion device (aeration head) 9, check valve 10, water outlet valve 27. Make-up water pump 16 and water outlet valve 51; advanced oxidation unit III includes reactor shell 39, quartz water riser 40, ultraviolet lamp 15, microporous water distribution plate 35 and mixer 14; water outlet 22 on low temperature constant temperature tank 5 It is communicated with the water inlet 23 at the bottom of th...

specific Embodiment approach 2

[0010] Specific implementation mode two: as figure 1 As shown, the ozone generating unit 1 in this embodiment is composed of an oxygen tank 1, a gas purification and drying column 2, a gas flow meter 3, an ozone generator 4, a controller 6, a first solenoid valve 11 and a second solenoid valve 12, Oxygen tank 1, gas purification and drying column 2 and gas flow meter 3 are connected in sequence, and the pipeline between oxygen tank 1 and gas purification and drying column 2 is provided with a first solenoid valve 11, and the outlet port of gas flow meter 3 is connected to the ozone The oxygen inlet 20 of generator 4 is communicated, and the circulating cooling water inlet 17 of ozone generator 4 is communicated with tap water water source and is provided with second electromagnetic valve 12 between the two; Controller 6 is used to control the first electromagnetic valve 11 Open and close and then regulate the oxygen flow that enters the ozone generator 4 by the oxygen inlet 20...

specific Embodiment approach 3

[0011] Specific implementation mode three: as figure 1 As shown, the low-temperature water-bath ozone-dissolving unit II in this embodiment also includes two vent valves 50, and the vent valves 50 are respectively provided on the outer wall of the bottom end of the ozone-dissolving column 37 and the outer wall of the bottom end of the replenishing water column 38. The bottom of dissolved ozone column 37 and replenishing water column 38 is equipped with a vent valve so that it can be cleaned in the future. Other components and connections are the same as those in the first embodiment.

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Abstract

A water treatment device of continuous flow ozone / ultraviolet / advanced oxidation relates to a water treatment device which solves the problems that the existing water treatment device has low ozone utilization rate and can not realize arbitrary combination, flexible switch and the like among ozone oxidation, ultraviolet disinfection and advanced oxidation. An ozone outlet of an ozone generator iscommunicated with an ozone inlet at the upper end of a dissolved ozone column; a water outlet pipe at a side wall of the bottom of the dissolved ozone column is communicated with an inlet end of a peristaltic pump; an outlet end of the peristaltic pump is communicated with an ozone inlet of a mixer; raw water flows into the mixer from a mixer raw water inlet of the mixer; hydrogen peroxide stock liquid is injected into the mixer from a hydrogen peroxide inlet on the mixer by the peristaltic pump; and the outlet of the mixer is communicated with the side wall of a reactor shell positioned belowa microporous water distribution plate. The water treatment device can be used for the disinfection of drinking water, micro pollutant water and source water and water treatment technology of eliminating organic pollution.

Description

technical field [0001] The invention relates to a water treatment device. Background technique [0002] Ozone / Advanced Oxidation (O 3 / AOPs) technology is more and more widely used in water treatment process, and the combination of ozone and hydrogen peroxide is currently the most widely used advanced oxidation technology for drinking water treatment in the world. However, the mass transfer efficiency of continuous gaseous ozone dosing is very low, and most of the ozone escapes from the reactor without reaction. Although measures such as filling solid catalysts in the reactor and adding hydrogen peroxide can improve the decomposition rate and utilization rate of ozone, the improvement range is limited, and there are still low ozone utilization rates, and it is impossible to realize ozone oxidation, ultraviolet disinfection, O 3 The flexible switching between / AOPs and UV / AOPs processes cannot meet the needs of different water quality. This makes O 3 The application of AO...

Claims

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Application Information

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IPC IPC(8): C02F1/78C02F1/32C02F1/72C02F9/04C02F9/08
Inventor 陈忠林刘小为陈文辉叶苗苗
Owner HARBIN INST OF TECH
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