Method and device for continuously preparing high-concentration ozone water

A high-concentration ozone water technology, applied in the direction of mixing methods, chemical instruments and methods, transportation and packaging, etc., can solve the problems of restricting the application of high-concentration ozone water and low solubility, and achieve low equipment cost, high concentration and simple method Effect

Active Publication Date: 2017-01-04
SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, ozone is an insoluble gas, and its solubility in water is low. Using the current commercial ozone gas generator, the highest concentration of ozone water prepared by the above method is about 20mg / L, which greatly limits the application of high-concentration ozone water

Method used

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  • Method and device for continuously preparing high-concentration ozone water

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Comparison scheme
Effect test

Embodiment 1

[0047] In this embodiment, high-concentration ozone water is prepared by dissolving ozone gas under 1 atmospheric pressure in the tank.

[0048] Install a water storage tank valve on the water storage tank and connect it with the booster pump inlet. Install a water inlet check valve at the outlet of the booster pump, install a water inlet valve on the ozone water generating tank, and connect the two valves to prevent the water in the tank from flowing back from the water inlet. An elliptical rotary nozzle is installed in the ozone water generating tank and connected with the water inlet valve on the tank. The volume of the ozone water generating tank is 10L.

[0049] Install a pressure vacuum gauge on the ozone water generating tank to measure the vacuum degree and gauge pressure in the tank. A vacuum valve is installed on the ozone water generating tank and connected with a vacuum pump for vacuumizing the inside of the tank. An ozone inlet valve is installed at the lower p...

Embodiment 2

[0055] In this embodiment, high-concentration ozone water is prepared by dissolving ozone gas under 2 atmospheres in the tank.

[0056] Install a water storage tank valve on the water storage tank and connect it with the booster pump inlet. Install a water inlet check valve at the outlet of the booster pump, install a water inlet valve on the ozone water generating tank, and connect the two valves to prevent the water in the tank from flowing back from the water inlet. An elliptical rotary nozzle is installed in the ozone water generating tank and connected with the water inlet valve on the tank. The volume of the ozone water generation tank is 80L.

[0057] Install a pressure vacuum gauge on the ozone water generating tank to measure the vacuum degree and gauge pressure in the tank. A vacuum valve is installed on the ozone water generating tank and connected with a vacuum pump for vacuumizing the inside of the tank. An ozone inlet valve is installed at the lower part of th...

Embodiment 3

[0063] In this embodiment, for the ozone gas under 2 atmospheres in the tank, the water inlet pressure is changed to dissolve and prepare high-concentration ozone water.

[0064] Install a water storage tank valve on the water storage tank and connect it with the booster pump inlet. Install a water inlet check valve at the outlet of the booster pump, install a water inlet valve on the ozone water generating tank, and connect the two valves to prevent the water in the tank from flowing back from the water inlet. An elliptical rotary nozzle is installed in the ozone water generating tank and connected with the water inlet valve on the tank. The volume of the ozone water generating tank is 150L.

[0065] Install a pressure vacuum gauge on the ozone water generating tank to measure the vacuum degree and gauge pressure in the tank. A vacuum valve is installed on the ozone water generating tank and connected with a vacuum pump for vacuumizing the inside of the tank. An ozone inle...

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Abstract

The invention discloses a method and device for continuously preparing high-concentration ozone water. The method comprises the steps that an ozone water generation tank is vacuumized and then filled with ozone gas; water enters an elliptical rotary spray head arranged in the ozone water generation tank through a booster pump and is sprayed into an ozone generation tank to efficiently dissolve the ozone gas; ozone water in the ozone water generation tank is kept within a set liquid level range, impurity gas accumulated on the upper portion of the ozone water generation tank is regularly exhausted, and continuous generation of the high-concentration ozone water is achieved. The method is simple, low in equipment cost and easy to achieve and can be implemented by adopting a common commercialized ozone gas generation device. Compared with a conventional ozone mixing and gas dissolving method, the method has the advantages of being high in gas dissolving efficiency, low in energy consumption, free of loss in ozone gas, high in prepared ozone water concentration and the like. According to the method, usage of an ozone decomposer is avoided, the equipment is simple, and the high-concentration ozone water can be massively and continuously prepared.

Description

technical field [0001] The invention relates to the technical field of ozone utilization, in particular to a preparation method and device for high-concentration ozone water. Background technique [0002] Ozone is a highly active gas, slightly soluble in water, and it is also a strong oxidant with an oxidation potential of 2.07V. The strong oxidizing property of ozone makes it rapidly sterilize and disinfect, and its disinfection ability is better than that of chlorine, chlorine dioxide and chloramine. In addition, as water sources are polluted by organic chemical industrial products, chlorinated organic compounds such as chloroform, dichloromethane, and carbon tetrachloride will be produced after chlorine disinfection of water. These substances are carcinogenic, while ozone disinfection of water does not produce secondary pollution compound. It takes 1-2 hours for ozone to sterilize in the air, but only a few minutes in water. Therefore, objects that can be sterilized wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F3/04B01F13/06B01F5/20B01F15/00
CPCB01F23/211B01F23/2132B01F25/72B01F33/70B01F35/20B01F35/2132B01F2101/04
Inventor 杨庆峰姜标
Owner SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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