沸石轉(zhuǎn)輪＋CO技術(shù)的工藝流程

Process flow of zeolite wheel+CO technology

　　預(yù)處理:車間產(chǎn)生的大風(fēng)量，低濃度的有機(jī)廢氣，由管道進(jìn)入經(jīng)過干式過濾和其他配套前處理設(shè)備,去除大部分顆粒物。

Pre treatment: The high air volume and low concentration organic waste gas generated in the workshop enter through pipelines and undergo dry filtration and other supporting pre-treatment equipment to remove most of the particulate matter.

　　吸附濃縮:預(yù)處理后VOCs氣體，通過沸石表面吸附，提供高VOCs去除率，達(dá)標(biāo)排放。

Adsorption concentration: Pre treated VOCs gas is adsorbed on the surface of zeolite to provide high VOC removal rate and meet emission standards.

　　高溫脫附+催化燃燒(CO):廢氣中VOCs被濃縮在沸石表面,利用混熱器提供小風(fēng)量熱氣流來進(jìn)行反吹脫附。脫附出來的高濃度，小風(fēng)量濃縮廢氣送至催化燃燒爐內(nèi)催化燃燒分解，燃燒放熱回用,節(jié)省能源

High temperature desorption+catalytic combustion (CO): VOCs in the exhaust gas are concentrated on the surface of zeolite, and a mixed heat exchanger is used to provide a small airflow of hot air for back blowing desorption. The high concentration of desorbed and low airflow concentrated waste gas is sent to the catalytic combustion furnace for catalytic combustion decomposition, combustion heat release and reuse, saving energy

　　吸附濃縮原理

Principle of adsorption concentration

　　VOCs廢氣通過疏水性沸石濃縮轉(zhuǎn)輪后，能有效被吸附于沸石中，達(dá)到去除的目的。經(jīng)過沸石吸附的揮發(fā)性有機(jī)物的潔凈氣體，直接通過煙囪排放到大氣中，轉(zhuǎn)輪持續(xù)以每小時1-10轉(zhuǎn)的速度旋轉(zhuǎn)，同時將吸附的揮發(fā)性有機(jī)物傳送至脫附區(qū)。于脫附區(qū)中利用一小股加熱氣體將揮發(fā)性有機(jī)物進(jìn)行脫附，脫附后的沸石轉(zhuǎn)輪旋轉(zhuǎn)至吸附區(qū)，持續(xù)吸附揮發(fā)性有機(jī)氣體。脫附后的濃縮有機(jī)廢氣送至RCO焚化爐進(jìn)行燃燒轉(zhuǎn)化成二氧化碳及水蒸氣排放至大氣中。

After passing through the hydrophobic zeolite concentration wheel, VOCs waste gas can be effectively adsorbed in the zeolite to achieve the purpose of removal. The clean gas of volatile organic compounds adsorbed by zeolite is directly discharged into the atmosphere through the chimney, and the impeller continuously rotates at a speed of 1-10 revolutions per hour, while transferring the adsorbed volatile organic compounds to the desorption zone. In the desorption zone, a small amount of heated gas is used to desorb volatile organic compounds. The desorbed zeolite wheel rotates to the adsorption zone to continuously adsorb volatile organic gases. The concentrated organic waste gas after desorption is sent to the RCO incinerator for combustion and conversion into carbon dioxide and water vapor, which are discharged into the atmosphere.

　　含有低濃度VOCs的廢氣通過蜂窩狀沸石時，VOCs成分被吸附在沸石中，凈化后的氣體排放到大氣中,或排放至室內(nèi)進(jìn)行循環(huán)處理，通過循環(huán)處理，回收熱能。此時,已吸附VOCs的蜂窩沸石連續(xù)旋轉(zhuǎn)，利用少量的加熱空氣在解吸附模塊進(jìn)行解吸附再生，在此過程中，能夠從低濃度的廢氣中得到高濃縮氣體。

When waste gas containing low concentrations of VOCs passes through honeycomb zeolite, the VOCs components are adsorbed in the zeolite, and the purified gas is discharged into the atmosphere or indoors for recycling treatment. Through recycling treatment, heat energy is recovered. At this point, the honeycomb zeolite with adsorbed VOCs continuously rotates, and a small amount of heated air is used in the desorption module for desorption regeneration. During this process, high concentration gas can be obtained from low concentration exhaust gas.

　　天然沸石制成的蜂窩沸石，沸石含有率很高，經(jīng)特殊工藝加工而成，使得沸石的吸附濃縮性能更加，非常是芳香族類有機(jī)物，吸附能力更強(qiáng)，并且在處理相對濕度較高的廢氣有明顯優(yōu)勢，不會出現(xiàn)水分吸收量急劇增加情況。

Honeycomb zeolite made from natural zeolite has a high content of zeolite, which is processed by special processes to enhance its adsorption and concentration performance, especially for aromatic organic compounds. It has stronger adsorption capacity and significant advantages in treating waste gas with high relative humidity, without a sharp increase in water absorption.

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