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常用的处理注塑厂废气的设备可以选择哪些?

来源:http://www.yinyehuanbao.com     发布时间:2021-02-24   浏览次数:

1、水喷淋旋流塔
1. Water spray swirl tower
旋流塔内多层填料可增加气液接触面积和接触时间,使塔板内排气吸收,排气污染物在与喷水接触过程中被水充分吸附,净化效果好,投入不大。
The multi-layer packing in the swirling tower can increase the gas-liquid contact area and contact time, so that the exhaust gas in the tray can be absorbed, and the exhaust pollutants can be fully absorbed by water in the process of contacting with the spray water, so the purification effect is good and the investment is small.
喷雾法具有工艺简单、经济性好的优点,但喷雾除尘法除尘效率通常只有30-40,而且由于废气是有机的,难以溶解在水中,分子粒径比液滴小,因此水雾法捕捉效率低,难以溶解。
The spray method has the advantages of simple process and good economy, but the efficiency of dust removal by spray method is usually only 30-40. Moreover, because the exhaust gas is organic, it is difficult to dissolve in water, and the particle size of molecule is smaller than that of droplet. Therefore, the water mist method is inefficient and difficult to dissolve.
2、等离子催化方式:
2. Plasma catalysis mode:
等离子体催化法适用范围广,净化效率高,特别适用于其他方法难以处理的多个恶臭气体,如化学工业、医学等行业。
车间除尘设备
The plasma catalytic method has a wide range of applications and high purification efficiency. It is especially suitable for many malodorous gases that are difficult to be treated by other methods, such as chemical industry, medicine and other industries.
注塑厂废气处理如何做才能满足环保要求
How to deal with waste gas in injection molding plant to meet the requirements of environmental protection
注塑厂废气处理如何做才能满足环保要求
How to deal with waste gas in injection molding plant to meet the requirements of environmental protection
有机废气经等离子体激发、解离和活化后,通过高能射线与废气中的氧气在稀有金属氧化物表面发生催化氧化反应,转化为二氧化碳、水等物质。
After being excited, dissociated and activated by plasma, the organic waste gas is converted into carbon dioxide, water and other substances by catalytic oxidation reaction between high-energy radiation and oxygen in the waste gas on the surface of rare metal oxides.
3、活性炭吸附箱
3. Activated carbon adsorption tank
活性炭吸附是利用活性炭的多孔性,有吸吸附能力的原理开发的。该工艺中使用的活性炭吸附方法利用了固体表面的这一特性。当废气与大面积多孔活性炭接触时,废气中的污染物被吸附在活性炭的固体表面,从而与气体混合物分离,达到净化的目的。
Activated carbon adsorption is developed based on the principle of porous activated carbon and adsorption capacity. The activated carbon adsorption method used in this process takes advantage of this characteristic of solid surface. When the waste gas comes into contact with a large area of porous activated carbon, the pollutants in the waste gas are adsorbed on the solid surface of the activated carbon, so as to separate from the gas mixture and achieve the purpose of purification.
4、光催化氧化技术
4. Photocatalytic oxidation technology
通过设备中紫外线的照射,废气中的O2迅速裂解为活性氧,达到废气净化除臭处理的目的,效果好,投资比较少;
Through the irradiation of ultraviolet ray in the equipment, O2 in the waste gas is rapidly cracked into active oxygen, so as to achieve the purpose of waste gas purification and deodorization, with good effect and less investment;
5、燃烧法:
5. Combustion method:
燃烧包括直接燃烧和催化燃烧。适用于处理高浓度、小风量的挥发性有机物。它要求整个工艺具有高安全性和气密性。在处理大风量低浓度挥发性有机物时,需要相关的浓缩技术进行预处理。
Combustion includes direct combustion and catalytic combustion. It is suitable for the treatment of volatile organic compounds with high concentration and small air volume. It requires high safety and air tightness of the whole process. When dealing with VOCs with large air volume and low concentration, the relevant concentration technology is needed for pretreatment.
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