1.吸附階段：VOC有機(jī)廢氣經(jīng)過沸石轉(zhuǎn)輪吸附后直接達(dá)標(biāo)排放，原理是沸石分子篩由于孔徑的大小能根據(jù)廢氣分子的大小和出彩性的不同進(jìn)行選擇性吸附，即使廢氣成分的濃度很低仍具有較高的吸附能力，且在高溫下仍具有良好的吸附能力，這是其他吸附材質(zhì)不具備的特性。

1. Adsorption stage: VOC organic waste gas is directly discharged after being adsorbed by a zeolite wheel. The principle is that zeolite molecular sieve can selectively adsorb according to the size and polarity of waste gas molecules due to its pore size. Even if the concentration of waste gas components is low, it still has high adsorption capacity and strong adsorption capacity at high temperatures, which is a characteristic that other adsorption materials do not possess.

2.脫附階段：沸石轉(zhuǎn)輪始終保持著緩慢的旋轉(zhuǎn)，在廢氣處理區(qū)吸附飽和后，在再生區(qū)把吸附在沸石分子篩里的有機(jī)廢氣通過高溫?zé)峥諝獯祾呙摳匠鰜怼峥諝獾臏囟雀鶕?jù)廢氣的成分而設(shè)定，沸石分子篩吸附的特點(diǎn)就是，脫附時可保持較高的脫附溫度因而適用于很多沸點(diǎn)較高的廢氣成分，這一點(diǎn)是活性炭吸附所達(dá)不到的。

2. Desorption stage: The zeolite wheel always maintains a slow rotation. After adsorption saturation in the waste gas treatment zone, the organic waste gas adsorbed in the zeolite molecular sieve is blown and desorbed by high-temperature hot air in the regeneration zone. The temperature of hot air is set according to the composition of the exhaust gas. The characteristic of zeolite molecular sieve adsorption is that it can maintain a high desorption temperature during desorption, making it suitable for many exhaust gas components with high boiling points, which activated carbon adsorption cannot achieve.

3.RTO氧化階段：沸石轉(zhuǎn)輪實際上是個濃縮裝置，把低濃度大風(fēng)量有機(jī)廢氣里的分子捕捉、富集到沸石分子篩上面。當(dāng)脫附時就能用很小的熱風(fēng)從沸石分子篩中把廢氣分子吹掃出來。這時脫附出來的高濃度小風(fēng)量廢氣就可直接進(jìn)入RTO中進(jìn)行高溫焚燒。由于出來的廢氣濃度較高且風(fēng)量較小，因此可選用更小規(guī)格尺寸的RTO焚燒爐，同時處理較高濃度廢氣能使RTO爐內(nèi)達(dá)到自持燃燒，這樣可以降低RTO設(shè)備運(yùn)行時的能耗。

3. RTO oxidation stage: The zeolite wheel is actually a concentration device that captures and enriches molecules from low concentration and high air volume organic waste gas onto the zeolite molecular sieve. When desorbing, a small amount of hot air can be used to blow out the waste gas molecules from the zeolite molecular sieve. At this point, the high concentration and low airflow exhaust gas desorbed can directly enter the RTO for high-temperature incineration. Due to the high concentration and low air volume of the exhaust gas, a smaller size RTO incinerator can be selected. At the same time, treating the high concentration exhaust gas can achieve self-sustaining combustion inside the RTO furnace, which can reduce the energy consumption during the operation of the RTO equipment.

4.沸石轉(zhuǎn)輪恢復(fù)階段：沸石轉(zhuǎn)輪脫附區(qū)經(jīng)高溫再生后會使沸石分子篩溫度升高，這樣會使吸附效果變差。因而要對經(jīng)過高溫吹掃過的區(qū)域用補(bǔ)冷風(fēng)機(jī)進(jìn)行降溫處理，降溫后的沸石分子篩又會恢復(fù)原有的吸附能力，這樣周而復(fù)始循環(huán)往復(fù)地進(jìn)行廢氣處理。

4. Recovery stage of zeolite wheel: After high-temperature regeneration in the desorption zone of zeolite wheel, the temperature of zeolite molecular sieve will increase, which will deteriorate the adsorption effect. Therefore, it is necessary to use a supplementary cooling fan to cool down the area that has been blown by high temperature. After cooling, the zeolite molecular sieve will restore its original adsorption capacity, and this process will be repeated repeatedly for waste gas treatment.

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