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Method for adding ozone/oxygen-enriched solution by adopting dissolved ozone adding system

An ozone and oxygen-enriched technology, applied in the fields of dissolution, chemical instruments and methods, oxidized water/sewage treatment, etc., can solve the problems of not being suitable for matching large-scale ozone generators, the strict range of gas-liquid ratio, etc., and achieve precise control of dissolved ozone volume effect

Pending Publication Date: 2022-01-07
哈维(上海)环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the gas-liquid ratio is too strict in the specified range, so it is not suitable for matching large-scale ozone generators

Method used

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  • Method for adding ozone/oxygen-enriched solution by adopting dissolved ozone adding system
  • Method for adding ozone/oxygen-enriched solution by adopting dissolved ozone adding system
  • Method for adding ozone/oxygen-enriched solution by adopting dissolved ozone adding system

Examples

Experimental program
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Effect test

Embodiment 1

[0054] In this embodiment, a method for adding ozone / oxygen-enriched solution using a dissolved ozone dosing system comprises the following steps:

[0055] (1) Establish a high-concentration ozone / oxygen-enriched solution dosing system; figure 1 As shown, the high-concentration ozone / oxygen-enriched solution dosing system includes a liquid oxygen storage tank 1, an electronic vaporizer 2, an ozone generator 3, a reaction tank 5 and a diffuser 6 connected in sequence, and also includes a pipeline through a fused water 11 The water pump 4 connected to the water inlet of the reaction tank 5 tank top; the ozone / oxygen pipeline 12 connected with the gas inlet of the reaction tank 5 tank top at the outlet of the ozone generator 3 is provided with a pressure regulating valve group 10; the fusion water pipeline 11 and the ozone / oxygen pipeline 12 each have a small section extending into the reaction tank 5; the tank top in the reaction tank 5 is provided with a water mist nozzle (conn...

Embodiment 2

[0073] The method of adding ozone / oxygen-enriched solution using the dissolved ozone dosing system in this embodiment is basically the same as the method of adding ozone / oxygen-enriched solution using the dissolved ozone dosing system in Example 1; the difference is: diffusion The device 6 is arranged in the pool without water flow to be treated, and a plurality of channels for releasing ozone / oxygen-enriched solution are arranged on the double-sided side walls of the diffuser 6; the channels for releasing ozone / oxygen-enriched solution are small holes and The narrow gap is a combination of both.

[0074] Such as figure 2 Shown, diffuser 6 is arranged in the pool that does not have water flow to be treated, has many circles of small holes and narrow slits (a row of small holes 9, a row of narrow slits 8) on the whole cylindrical side wall of diffuser 6 staggered arrangement) to achieve 360° delivery.

[0075] The channel (small hole 9 and narrow gap 8) for releasing ozone / o...

Embodiment 3

[0078] The method of adding ozone / oxygen-enriched solution using the dissolved ozone dosing system in this embodiment is basically the same as the method of adding ozone / oxygen-enriched solution using the dissolved ozone dosing system in Example 1; the difference is: liquid Oxygen storage tank 1 and electronic vaporizer 2 do not have, changed into air separation unit (air separation oxygen generator), produce oxygen by air separation unit, oxygen produces ozone and oxygen by ozone generator 3 again; Described high concentration ozone / The oxygen-enriched solution pipeline 15 is a large-diameter pipeline larger than DN25, and the passage for releasing the ozone / oxygen-enriched solution is a slit, with a row of slits 8 in the middle and a row of slits 8 on both sides.

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Abstract

The invention discloses a method for adding ozone / oxygen-enriched solution by adopting a dissolved ozone adding system. The method comprises the following steps of 1) establishing an ozone / oxygen-enriched solution adding system which comprises a reaction tank, a diffuser, a pressure regulating valve group and a water pump, wherein a water mist nozzle and an ozone / oxygen nozzle are arranged at the top in the reaction tank; a control valve is arranged between the reaction tank and the diffuser; the cylindrical side wall of the diffuser is provided with a channel for releasing an oxygen-enriched solution, namely a small hole or a narrow gap or a combination of the small hole and the narrow gap, and the channel can generate certain back pressure to ensure that the pressure difference between the outlet pressure of the diffuser and the water pressure to be treated is more than 2bar, 2) feeding ozone / oxygen into the reaction tank after being subjected to pressure regulation, 3) pressurizing the dissolved water by a water pump, and feeding into a reaction tank from the top of the tank in a high-pressure mist form, and 4) arranging a water quality on-line detector at a water outlet, and controlling the size of the control valve by connecting a signal receiver with the PLC. According to the method, the water quality can be accurately adjusted, and the utilization rate of ozone / oxygen is greatly improved while the ozone solubility is improved.

Description

technical field [0001] The invention belongs to the technical field of water treatment and relates to a method for adding an ozone / oxygen-enriched solution by using a dissolved ozone dosing system. The method of adding ozone / oxygen-enriched solution by using a dissolved ozone dosing system is applicable to the disinfection process in water treatment. Background technique [0002] Ozone is a broad-spectrum disinfectant, and the usual methods of adding ozone are jet mixing method, mixing tower ozone dosing method, ozone aeration mixing dosing, and mixing pump ozone dosing method. These methods all have the following disadvantages: [0003] The ejector uses water flow to form a low-pressure zone in the Venturi nozzle, and the pressure difference sucks and mixes ozone / oxygen, and then injects the mixed solution with air bubbles into the water to be treated. Due to the escape of air bubbles in the water, although this dosing method is better than the aeration method, the gas ut...

Claims

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Application Information

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IPC IPC(8): B01F23/20B01F35/71B01F35/22C02F1/78C02F1/50
CPCC02F1/78C02F1/50C02F2201/782C02F2201/784C02F2209/005
Inventor 林峡
Owner 哈维(上海)环境科技有限公司
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