要将工业尾气用于发电，净化处理是关键的前置步骤。以含粉尘和硫化物的常见尾气为例，其净化过程宛如一场精心布局的 “攻坚战”。

Purification treatment is a key prerequisite for using industrial exhaust gas for power generation. Taking common exhaust gases containing dust and sulfides as an example, their purification process is like a carefully planned "battle".

　　首先，旋风分离器登场，它利用高速旋转产生的离心力，就像在洗衣机高速甩干时，将衣物中的水分甩出一样，把尾气中较大颗粒的粉尘分离出来，沉淀至设备底部，初步净化尾气 。

Firstly, the cyclone separator is introduced, which utilizes the centrifugal force generated by high-speed rotation to separate the larger particles of dust in the exhaust gas, similar to how the moisture in the clothes is thrown out during high-speed spin drying in a washing machine, and settle at the bottom of the equipment to preliminarily purify the exhaust gas.

　　接着，布袋除尘器或精细滤网发挥作用，它们犹如细密的筛子，将剩余的细微粉尘拦截，确保尾气进一步洁净。对于尾气中的硫化物等有害气体，会借助装有碱性溶液（如氢氧化钠溶液）或吸附材料（如活性炭）的装置，通过酸碱中和化学反应或物理吸附作用，将这些具有腐蚀性、污染性的气体去除 。

Next, the bag filter or fine filter plays a role, acting like a fine sieve to intercept the remaining fine dust and ensure further cleanliness of the exhaust gas. For harmful gases such as sulfides in exhaust gas, devices containing alkaline solutions (such as sodium hydroxide solution) or adsorbent materials (such as activated carbon) will be used to remove these corrosive and polluting gases through acid-base neutralization chemical reactions or physical adsorption.

　　最后，干燥设备出马，通过冷凝或吸湿等方式，将尾气中的水蒸气清除。因为水蒸气的存在，不仅会降低燃烧效率，还可能在低温环境下凝结成液态水，导致管道堵塞，影响后续发电流程。经过这层层关卡的净化，尾气变得干净、干燥，可燃成分得以提纯、集中，为后续高效发电奠定坚实基础 。

Finally, the drying equipment is activated to remove water vapor from the exhaust gas through condensation or moisture absorption. Due to the presence of water vapor, not only does it reduce combustion efficiency, but it may also condense into liquid water at low temperatures, causing pipeline blockages and affecting subsequent power generation processes. After passing through these layers of purification, the exhaust gas becomes clean and dry, and the combustible components are purified and concentrated, laying a solid foundation for efficient power generation in the future.

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