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如何处理伸缩式移动喷漆房的漆雾?

更新时间:2021-05-05 点击数:15540

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伸缩式喷漆房通常用上面鼓风下引风的方式,漆雾经过水喷淋过滤、活性碳吸收、吸附或燃烧处理后经风管排放或直排。过滤采用滤层截留漆雾和固体颗粒物,滤层中的滤料主要采用玻璃纤维棉、炉渣、活性炭、水喷淋等材料。滤层可以去除大部分的漆雾和固体颗粒物,对有机污染物也能少量吸附,可处理80%的漆雾。那么如何处理伸缩式喷漆房产生的漆雾呢?下面小编就为大家介绍几种方法,希望能对您有用!

The telescopic spray booth usually uses the way of upper air blowing and lower air guiding. The paint mist is discharged or directly discharged through the air duct after water spray filtration, activated carbon absorption, adsorption or combustion treatment. The filter layer is used to intercept paint mist and solid particles, and the filter material in the filter layer is mainly glass fiber cotton, slag, activated carbon, water spray and other materials. The filter layer can remove most of the paint mist and solid particles, and can also adsorb a small amount of organic pollutants, which can deal with 80% of the paint mist. So how to deal with the paint mist produced by the telescopic spray booth? The following small series for you to introduce several methods, hope to be useful to you!

                  

一、吸收指通过水喷淋洗、雾化洗涤等方式处理。水喷淋对漆雾、固体颗粒物有较好的净化效果,使漆雾溶于水中。作为常用的一种漆雾处理方法,其原理是通过水喷洒在废气排放,水溶性或大颗粒沉降,实现污染物、洁净的气体分离的目的。无泵水幕喷漆室就是利用这种方法来进行废气处理,工人面对水帘对工件表面进行喷漆操作时,含有漆雾的空气在与水幕撞击后,穿过水帘进入气水通道,与通道里的水产生强烈的混合,当进入集气箱后,流速突然降低,气水分离,空气通过挡水板后,被风机抽入活性炭吸附装置中;而被分离的水在集气箱汇集后流入溢水槽,水从溢水槽溢流到泛水板上形成水幕,流回水箱,在此过程中使漆雾结成渣块,从而吸附去除油漆颗粒物。

1、 Absorption refers to water spray washing, atomization washing, etc. Water spray has a good purification effect on paint mist and solid particles, which makes paint mist dissolve in water. As a common method of paint mist treatment, its principle is to achieve the separation of pollutants and clean gas by spraying water on the exhaust gas and settling water-soluble or large particles. The non pump water curtain spray booth uses this method for waste gas treatment. When the workers spray the surface of the workpiece with the water curtain, the air containing the paint mist enters the air-water channel through the water curtain after colliding with the water curtain, and strongly mixes with the water in the channel. When it enters the air collecting box, the flow rate suddenly decreases, the air and water are separated, and the air passes through the water baffle, It is pumped into the activated carbon adsorption device by the fan; The separated water flows into the overflow tank after gathering in the gas collecting tank, and the water overflows from the overflow tank to the flashing plate to form a water curtain, which flows back to the water tank. In this process, the paint mist forms a slag block, so as to adsorb and remove the paint particles.

二、吸附一般用活性炭、活性炭纤维、焦炭粉粒等物质。对低浓度、较低废气量的喷涂废气处理效果较好,吸臭味。另外炭吸附饱和后,需要采取热空气或蒸汽加热等方法对炭进行脱附再生。没有再生的饱和炭或接近饱和的炭几乎没有吸附效果或吸附效果很差。其净化率高、操纵简单。

2、 Generally, activated carbon, activated carbon fiber and coke powder are used for adsorption. The treatment effect of spraying waste gas with low concentration and low amount of waste gas is better, and it can absorb odor. In addition, after the adsorption of carbon is saturated, hot air or steam heating method is needed to desorb and regenerate the carbon. The saturated carbon without regeneration or nearly saturated carbon has little or poor adsorption effect. It has high purification rate and simple operation.

三、燃烧法包括直接燃烧法和催化燃烧法。直接燃烧法是通过燃烧去除有机废气的方法,操作温度600~800℃,用于浓度较大的有机废气处理,催化燃烧法采用铂、钯及过渡金属氧化物等催化剂代替火焰,操作温度200~400℃以上,用于有机废气浓度高、流量小等情况。

3、 Combustion methods include direct combustion and catalytic combustion. The direct combustion method is a method to remove organic waste gas by combustion. The operating temperature is 600 ~ 800 ℃, which is used for the treatment of organic waste gas with high concentration. The catalytic combustion method uses platinum, palladium, transition metal oxide and other catalysts to replace the flame. The operating temperature is above 200 ~ 400 ℃, which is used for the treatment of organic waste gas with high concentration and small flow rate.

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