一、预处理系统

1、 Preprocessing system

通过初、中、高三级过滤法，去除废气中的细小颗粒，使有机废气满足沸石转轮吸附的洁净度要求；再通过升温降湿的方法，使有机废气满足沸石转轮吸附的温湿度要求；

Firstly, the fine particles in the waste gas are removed through a three-stage filtration method of initial, medium, and high filtration, so that the organic waste gas meets the cleanliness requirements of zeolite wheel adsorption; Then, by using the method of temperature and humidity increase and decrease, the organic waste gas can meet the temperature and humidity requirements of zeolite rotary adsorption;

二、沸石转轮吸附系统

2、 Zeolite rotary adsorption system

沸石可捕捉到浓度非常低VOCs分子，通过风机的作用，将经过预处理的有机废气通过沸石转轮的吸附区，有机物分子被沸石转轮*的吸附孔捕捉，吸附达标的气体直接排入烟囱；

Zeolite can capture VOC molecules with very low concentrations. Through the action of a fan, the pre treated organic waste gas is passed through the adsorption area of the zeolite wheel, and the organic molecules are captured by the adsorption holes of the zeolite wheel. The adsorbed gas that meets the standards is directly discharged into the chimney;

三、脱附系统

3、 Desorption system

经一段时间吸附后，沸石转轮吸附区会吸附饱和，此时，用小股热（200~230℃）吹扫沸石转轮的脱附区，将有机物从沸石中脱附出来后通过风机送入焚烧炉，使沸石再生，如此循环；

After a period of adsorption, the adsorption area of the zeolite wheel will become saturated. At this time, a small amount of heat (200-230 ℃) is used to blow the desorption area of the zeolite wheel, remove organic matter from the zeolite, and then send it to the incinerator through a fan to regenerate the zeolite, and so on;

四、燃烧系统

4、 Combustion system

从沸石分子筛中脱附出的VOCs气体，通过风机送入rto燃烧系统进行氧化燃烧，把有机废气*氧化成水和二氧化碳。

The VOCs gas desorbed from the zeolite molecular sieve is sent to the RTO combustion system through a fan for oxidation and combustion, oxidizing the organic waste gas into water and carbon dioxide.

五、沸石转轮冷却系统

5、 Zeolite rotary cooling system

由于沸石经过热风吹扫脱附后，温度变高从而无法吸附有机物，此时需要对沸石进行冷却降温，使其降到常温，保证其吸附效率。

Due to the high temperature of zeolite after hot air blowing and desorption, it is unable to adsorb organic matter. At this time, it is necessary to cool the zeolite to room temperature to ensure its adsorption efficiency.

工艺原理：

Process principle:

吸附浓缩：含有VOCs的废气由主工艺风机吸入前处理过滤器，由前处理过滤器滤除杂质后的废气进入沸石转轮[CR]，被沸石转轮吸附处理后的气体达标排入大气中。

Adsorption concentration: The exhaust gas containing VOCs is sucked into the pre-treatment filter by the main process fan. After impurities are filtered out by the pre-treatment filter, the exhaust gas enters the zeolite wheel [CR], and the gas after adsorption treatment by the zeolite wheel meets the standard and is discharged into the atmosphere.

脱附燃烧：利用RTO燃烧炉产生的热量进行热脱附工艺，清洁空气由脱附风机进入，经换热器进入沸石转轮，热空气将沸石加热，吸附在沸石中的VOCs被脱附出来进入RTO燃烧炉，从燃烧炉中排出的高温达标气体通过换热器实现废热利用，终排放大气中。

Desorption combustion: Utilizing the heat generated by the RTO combustion furnace for thermal desorption process, clean air enters through the desorption fan and enters the zeolite impeller through a heat exchanger. The hot air heats the zeolite, and the VOCs adsorbed in the zeolite are desorbed and enter the RTO combustion furnace. The high temperature standard gas discharged from the combustion furnace is used for waste heat utilization through the heat exchanger and ultimately discharged into the atmosphere.

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