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The use of ozone generator - ozone generator technology

Published:2014-11-14 08:40:36 Publishers:Jiahuan ozone generator Information Sources:Jiahuan Ozone Website Pageviews: Font size:A+AA-

臭氧技术的介绍

 

臭氧发生器利用高压电离(或化学、光化学反应)

,使空气中的部分氧气分解聚合为臭氧,

是氧的同素异形转变过程;亦可利用电解水法获得。臭氧的不稳定性使其很难实现瓶装贮

 

,一般只能利用臭氧发生器现场生产,随产随用。

 

处理臭氧发生器产品与空气型不同在于:

一般采用密闭型结构,

臭氧发生浓度较高,

臭氧发

生后通过管路经气水混合装置使臭氧溶于水中使用。因为臭氧产生条件和部件寿命的要求,

一般都需要对空气进行预处理或采用高浓度氧气源,

这主要是臭氧的产量与空气的干燥度密

切相关,所以大多配有气源干燥系统。

 

 

 

 

1

、水处理臭氧发生技术及配套技术

 

 

 

 

水处理臭氧发生应用技术主要分发生、

冷却、

干燥、

气水混合四大基础部分和电控系统、

结构系统六大方面技术。

 

 

 

 

臭氧用于水处理的浓度单位一般是按

mg/L

计算,这与空气型常用

mg/m3

差了一千倍,

由此可知,水处理需要高浓度、大发生量的臭氧才能应用,臭氧发生量

/

小时,负载功率电

耗,气源干燥度,产品寿命等是其主要指标。

 

 

 

 

水处理臭氧发生多采用气隙放电法,

因浓度需求,

其电耗增高,

器件的温升也不可避免,

温升是影响臭氧产生和设备寿命的主要因素,所以一般需要冷却,主要有风冷,水冷两种,

有的则通过冷气源来解决,采用哪种方式,由设备设计决定。

 

 

 

 

在同样臭氧发生部件、

电源条件下,

臭氧产量与气源干燥度是成正比的,

即气源干燥度

越高,发生量

 

/

小时值也就越高,所以对气源的净化干燥处理是不可少的,一般称为气源预

处理或气源干燥器系统。

目前气源干燥的手段主要有冷冻、露凝、

化学法等,

其干燥度以相

当于空气温度计算,如

 

-40

指的是气源在

 

-40

时的干燥程度。

 

 

 

 

 

 

 

射流法:

也称文丘里法,

是利用水在管道中流动时通过装置变径加快流速形成负压吸气,

通入臭氧与水在管路中混合。

这种装置在安装时,

一是射流器须与管路配套

(以管径为准)

二是射流器中的水流向不能存在逆压,

避免水进入臭氧发生罐,

三是射流器延出管路必须在

 

2.5m

以上,越长效率越高,四是流速要达到一定量,保证负吸形成,五是器件与管路必须

用不锈钢或塑料材质,杜绝用钢、铁以免消耗臭氧与氧化腐蚀。射流法效率较高,

但安装设

计与要求应相当严格。

 

 

 

 

气水混合装置是臭氧用于水处理必不可少的配套技术,

虽然臭氧易溶于水,

溶解度比氧

气高十几倍,但必须采用一种技术手段使臭氧与水充分接触,接触面积、时间、臭氧浓度、

压力等都是混合效率的决定因素。目前,臭氧与水的混合主要有以下几种:

 

 

 

 

嚗气法:

这是一种传统的简便方法,

是靠臭氧气经压缩后利用某种泡化器件,

让臭氧形

成气泡与水充分接触,不难看出,气泡越小、越多、深度越大,效果越好。

臭氧技术的介绍

 

臭氧发生器利用高压电离(或化学、光化学反应)

,使空气中的部分氧气分解聚合为臭氧,

是氧的同素异形转变过程;亦可利用电解水法获得。臭氧的不稳定性使其很难实现瓶装贮

 

,一般只能利用臭氧发生器现场生产,随产随用。

 

处理臭氧发生器产品与空气型不同在于:

一般采用密闭型结构,

臭氧发生浓度较高,

臭氧发

生后通过管路经气水混合装置使臭氧溶于水中使用。因为臭氧产生条件和部件寿命的要求,

一般都需要对空气进行预处理或采用高浓度氧气源,

这主要是臭氧的产量与空气的干燥度密

切相关,所以大多配有气源干燥系统。

 

 

 

 

1

、水处理臭氧发生技术及配套技术

 

 

 

 

水处理臭氧发生应用技术主要分发生、

冷却、

干燥、

气水混合四大基础部分和电控系统、

结构系统六大方面技术。

 

 

 

 

臭氧用于水处理的浓度单位一般是按

mg/L

计算,这与空气型常用

mg/m3

差了一千倍,

由此可知,水处理需要高浓度、大发生量的臭氧才能应用,臭氧发生量

/

小时,负载功率电

耗,气源干燥度,产品寿命等是其主要指标。

 

 

 

 

水处理臭氧发生多采用气隙放电法,

因浓度需求,

其电耗增高,

器件的温升也不可避免,

温升是影响臭氧产生和设备寿命的主要因素,所以一般需要冷却,主要有风冷,水冷两种,

有的则通过冷气源来解决,采用哪种方式,由设备设计决定。

 

 

 

 

在同样臭氧发生部件、

电源条件下,

臭氧产量与气源干燥度是成正比的,

即气源干燥度

越高,发生量

 

/

小时值也就越高,所以对气源的净化干燥处理是不可少的,一般称为气源预

处理或气源干燥器系统。

目前气源干燥的手段主要有冷冻、露凝、

化学法等,

其干燥度以相

当于空气温度计算,如

 

-40

指的是气源在

 

-40

时的干燥程度。

 

 

 

 

 

 

 

射流法:

也称文丘里法,

是利用水在管道中流动时通过装置变径加快流速形成负压吸气,

通入臭氧与水在管路中混合。

这种装置在安装时,

一是射流器须与管路配套

(以管径为准)

二是射流器中的水流向不能存在逆压,

避免水进入臭氧发生罐,

三是射流器延出管路必须在

 

2.5m

以上,越长效率越高,四是流速要达到一定量,保证负吸形成,五是器件与管路必须

用不锈钢或塑料材质,杜绝用钢、铁以免消耗臭氧与氧化腐蚀。射流法效率较高,

但安装设

计与要求应相当严格。

 

 

 

 

气水混合装置是臭氧用于水处理必不可少的配套技术,

虽然臭氧易溶于水,

溶解度比氧

气高十几倍,但必须采用一种技术手段使臭氧与水充分接触,接触面积、时间、臭氧浓度、

压力等都是混合效率的决定因素。目前,臭氧与水的混合主要有以下几种:

 

 

 

 

嚗气法:

这是一种传统的简便方法,

是靠臭氧气经压缩后利用某种泡化器件,

让臭氧形

成气泡与水充分接触,不难看出,气泡越小、越多、深度越大,效果越好。

Ozone generator uses high pressure ionization (or chemical, photochemical reactions), part of the oxygen in the air for ozone decomposition polymerization, allotropic transformation process is oxygen; also obtained by electrolysis of water law. Ozone instability makes it difficult to achieve bottled storage, generally only use ozone generators on-site production, with the production with use. Treatment ozone generator and air type different from that: the general use of closed-type structure, high ozone concentrations, ozone generator ozone dissolved in water by using water mixed gas through the pipeline. Because ozone generation conditions and component life requirements, generally require pretreatment or air with high concentrations of oxygen source, which is mainly ozone yield is closely related to the dryness of the air, so most are equipped with air drying system. 1, ozone water treatment technology and supporting technology applications ozone water treatment technology is mainly divided happen, cooling, drying, mixing the four basic parts of air and water and electric control system, the structure of the system of six aspects of technology. Ozone concentration units for water treatment is generally by mg / L calculations, which used air type mg / m3 a thousand times worse, can be seen, a high concentration of water treatment needs, a large amount of ozone occurs to apply, ozone volume / hour, load power consumption, air drying, product life and so is its main target. Ozone water treatment method to use more air-gap discharge, due to the concentration of demand, the power consumption is increased, the temperature rise of the device is also inevitable, temperature is the main factor affecting the ozone generation and equipment life, it is generally necessary to cool, there are air-cooled , water-cooled two, others by air source to solve, what way, the decision by the equipment design. In the same ozone generating components, supply conditions, ozone production and dryness is directly proportional to the gas source, ie, the higher the degree of air drying, the amount of generation / hour, the higher the value, so the purification of air drying process is not less, generally referred to as the pretreatment gas source or gas source dryer system. At present, the main air drying means freezer, dew condensate, chemical method and the like, which corresponds to the dryness of the air temperature calculated as -40 ℃ refers to the degree of drying air at -40 ℃ of. Jet method: also known as the venturi law, is to accelerate the flow rate through the formation of negative pressure suction device Reducing the use of water flowing in the pipe, the pass into the ozone is mixed with water in the pipeline. When you install such a device, one jet is required to complete the pipeline (in diameter, whichever), and second, the ejector can not exist in the water to the adverse pressure, prevent water entering the tank ozone, the third is the extension of the ejector piping must be more than 2.5m, the longer the higher the efficiency, the flow rate of four is going to reach a certain amount, to ensure the formation of negative absorption, five is the device with the pipeline must be stainless steel or plastic, to prevent steel, iron oxide to avoid depleting corrosion. High efficiency jet method, but the design and installation requirements should be very strict. Air-water mixing device is essential Techniques ozone for water treatment, although ozone soluble in water, solubility ten times higher than that of oxygen, but a technical means must be used to make full contact of ozone with water, contact area, time , ozone concentration, pressure, etc. are all mixing efficiency determinants. Currently, ozone mixed with water are the following:  Air Act: This is a simple and traditional way is to rely on ozone gas blowing compressed using some devices, so that the ozone forming bubbles full contact with water, do not difficult to see, the smaller the bubble, the more, the greater the depth, the better the results.

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