吸附脫附+冷凝回收系統(tǒng)

　　Adsorption desorption+condensation recovery system

　　冷凝回收法是VOC治理的簡單而有效的治理方式。它利用的具有在不同溫度下不同的飽和蒸氣壓的材料的特性，并且所述冷凝器降低的有機(jī)物質(zhì)的沸點以下的VOC，使有機(jī)物凝結(jié)成液滴，然后重力下降到存儲下面的水箱冷凝區(qū)。從而分離和回收。常用的冷卻介質(zhì)主要是冷水、冷凍鹽水和液氨。

　　The condensation recovery method is a simple and effective way to treat VOCs. It utilizes the characteristics of materials with different saturated vapor pressures at different temperatures, and the condenser reduces VOCs below the boiling point of organic matter, causing the organic matter to condense into droplets and then fall by gravity to the condensation zone of the water tank below the storage. Thus separating and recycling. The commonly used cooling media are cold water, frozen saltwater, and liquid ammonia.

　　在實際應(yīng)用中，縮合方法通常與通過冷凝壓縮、吸附、吸收，通過吸收或吸附揮發(fā)性有機(jī)化合物濃縮并回收有機(jī)物質(zhì)，以實現(xiàn)經(jīng)濟(jì)和高恢復(fù)的過程相結(jié)合。

　　In practical applications, condensation methods are usually combined with the process of condensing, compressing, adsorbing, and absorbing volatile organic compounds to concentrate and recover organic substances, in order to achieve economic and high recovery.

　　吸附脫附冷凝回收工藝流程

　　Adsorption desorption condensation recovery process flow

　　工藝路線:

　　Process route:

　　有機(jī)廢氣通過收集后首先進(jìn)入二級堿洗塔+水洗塔將廢氣中的殘余的微量溴素捕集下來，經(jīng)過水洗的廢氣濕度大，經(jīng)過除霧器將廢氣和液態(tài)水進(jìn)一步分離，最后再進(jìn)入活性炭吸附箱，有機(jī)揮發(fā)氣體被活性炭吸附后，廢氣得到凈化達(dá)標(biāo)排放:待活性炭吸附飽和后，啟動蒸汽脫附系統(tǒng)，對箱體通入高溫蒸汽(≥110℃)，對活性炭進(jìn)行脫附，脫附后的廢氣通過冷凝器后，冷凝液所含的化學(xué)物質(zhì)及其他有機(jī)物收集后轉(zhuǎn)運(yùn)至業(yè)主精餾釜進(jìn)行分離，脫附后的活性炭在吹干風(fēng)機(jī)的作用下，60min后活性炭便可恢復(fù)吸附性能，從而達(dá)到徹底處理廢氣并節(jié)約能源的最終目的。

　　After collection, organic waste gas first enters the secondary alkali washing tower and water washing tower to capture residual trace amounts of bromine in the waste gas. The waste gas after water washing has high humidity and is further separated from liquid water by a demister. Finally, it enters the activated carbon adsorption box, where organic volatile gases are adsorbed by activated carbon and purified to meet emission standards. After the activated carbon adsorption is saturated, the steam desorption system is started, and high-temperature steam (≥ 110 ℃) is introduced into the box to desorb the activated carbon. The desorbed waste gas passes through the condenser, and the chemical substances and other organic substances contained in the condensate are collected and transferred to the owner's distillation kettle for separation. The desorbed activated carbon is dried by the action of the blowing fan. After 60 minutes, activated carbon can restore its adsorption performance, achieving the ultimate goal of thoroughly treating exhaust gas and saving energy.

　　吸附脫附冷凝回收工作原理

　　Working principle of adsorption desorption condensation recovery

　　蒸汽脫附工藝具有相變熱高，脫附完全，易冷凝的優(yōu)點,可實現(xiàn)有機(jī)溶劑和水的自動有效分離；有低濃度、大風(fēng)量的混合成分的有機(jī)廢氣，不具備回收的價值。如采用普通的蜂窩活性炭吸附，吸附容量低，頻繁脫附存在較大安全風(fēng)險，同時產(chǎn)生大量活性炭危廢:如采用直接燃燒的方法，需要大量的燃料來加熱廢氣?；钚蕴课綕饪s-蒸汽脫附廢氣處理裝置，采用優(yōu)質(zhì)顆粒活性炭作為吸附材料，將尾氣中的有機(jī)成分吸附后達(dá)標(biāo)排放。脫附是在蒸汽的驅(qū)動下使吸附床與高溫?zé)嵴羝M成一個脫附系統(tǒng)。先將熱蒸汽引入待脫附的吸附床，使活性炭所吸附的有機(jī)物脫附下來后引入冷凝器設(shè)備，在冷凝器中冷凝成液滴后排出，以消除氣流中的有機(jī)物，保證有機(jī)物高效凈化。

　　The steam desorption process has the advantages of high phase change heat, complete desorption, and easy condensation, which can achieve automatic and effective separation of organic solvents and water; Organic waste gas with low concentration and high air volume mixed components does not have the value of recycling. If ordinary honeycomb activated carbon is used for adsorption, the adsorption capacity is low, and frequent desorption poses significant safety risks, while generating a large amount of hazardous activated carbon waste. If direct combustion is used, a large amount of fuel is required to heat the exhaust gas. The activated carbon adsorption concentration steam desorption exhaust gas treatment device uses high-quality granular activated carbon as the adsorbent material to adsorb organic components in the exhaust gas and meet emission standards. Desorption is the process of creating a desorption system between an adsorption bed and high-temperature hot steam driven by steam. First, introduce the hot steam into the adsorption bed to be desorbed, so that the organic matter adsorbed by the activated carbon can be desorbed and then introduced into the condenser equipment. In the condenser, it condenses into liquid droplets and is discharged to eliminate the organic matter in the airflow and ensure efficient purification of organic matter.

　　>>吸附脫附冷凝回收的優(yōu)勢

　　>>Advantages of adsorption desorption condensation recovery

　　1. 不受氣液比的影響，回收率穩(wěn)定，可在常壓下直接濃縮；

　　1. Not affected by gas-liquid ratio, stable recovery rate, and can be directly concentrated under normal pressure;

　　2. 當(dāng)濃度高于≥1%時，回收率可達(dá)到98%以上；

　　When the concentration is higher than or equal to 1%, the recovery rate can reach over 98%;

　　3. 主要用于處理具有可回收價值的高濃度、單組分VOC；

　　3. Mainly used for processing high concentration, single component VOCs with recyclable value;

　　4. 有機(jī)液體可直接回收，無二次污染；

　　4. Organic liquids can be directly recovered without secondary pollution;

　　5. 脫附效率高，脫附速率快，能耗低。>>吸附材料選擇

　　5. High desorption efficiency, fast desorption rate, and low energy consumption. >>Selection of adsorbent materials

　　吸附器填裝活性炭為優(yōu)質(zhì)顆粒活性炭，氣流分布均勻、穩(wěn)定，吸附性能好，灰分低；保藍(lán)活性炭吸附裝置采用優(yōu)質(zhì)顆粒活性炭作為吸附填料，活性炭是一種主要含碳材料制成的外觀呈黑色的的一類微晶質(zhì)碳素材料，是一種新型、高效吸附劑。活性炭的工作原理是利用微孔活性物質(zhì)對廢氣分子或分子團(tuán)的吸附力。當(dāng)工業(yè)廢氣通過吸附介質(zhì)時，其中的分子被“阻截”吸附下來，從而使廢氣得到凈化處理。

　　The adsorber is filled with high-quality granular activated carbon, with uniform and stable airflow distribution, good adsorption performance, and low ash content; The Baolan activated carbon adsorption device uses high-quality granular activated carbon as the adsorption filler. Activated carbon is a type of microcrystalline carbon material with a black appearance, mainly made of carbon containing materials. It is a new and efficient adsorbent. The working principle of activated carbon is to utilize the adsorption force of microporous active substances on exhaust gas molecules or molecular clusters. When industrial waste gas passes through an adsorption medium, its molecules are "intercepted" and adsorbed, thereby purifying the waste gas.

　　活性炭

　　activated charcoal

　　吸附脫附冷凝回收適用領(lǐng)域

　　Applicable fields of adsorption desorption condensation recovery

　　● 化工、石油制藥、涂裝、印刷等行業(yè)中、低濃度有機(jī)廢氣，廢氣中有機(jī)成分單一且有回收價值有機(jī)溶劑回收，可回收有機(jī)物：甲醇、乙醇、乙二醇、異丙醇、乙二醇單甲醚、乙二醇單乙醚、丙酮、丁酮（甲乙酮）、醋酸酯（如乙酸乙酯、乙酸丁酯）、輕烴類、油氣回收等。

　　Low concentration organic waste gas in industries such as chemical, petroleum and pharmaceutical, coating, printing, etc. The organic components in the waste gas are single and have recycling value. Organic solvents can be recovered, including methanol, ethanol, ethylene glycol, isopropanol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, acetone, butanone (methyl ethyl ketone), acetate (such as ethyl acetate, butyl acetate), light hydrocarbons, oil and gas recovery, etc.

　　應(yīng)用領(lǐng)域：噴漆行業(yè)/印刷行業(yè)/化工行業(yè)/制藥行業(yè)

　　Application areas: Spray painting industry/printing industry/chemical industry/pharmaceutical industry

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