VOCs 管理手艺：沸石转轮+催化燃烧手艺处置VOCs日期：2021-03-29来历：北极星VOCs在线作者：北极星VOCs在线阅读：73焦点提醒：跟着我国经济的快速成长，无机挥发性物资VOCs年夜量发生，最近几年来，挥发性无机物 (VOCs)已成为我国年夜气污染物的首要来历之一，这对人类的健康和生态系统的均衡形成了极年夜的威 胁，VOCs的结尾管理工作引发了社会的普遍存眷。北极星VOCs在线inkMacSystemFont, Helvetica Neue , PingFang SC , Hiragino Sans GB , Microsoft YaHei UI , Microsoft YaHei , Arial, sans-serif; letter-spacing: 0.544px; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; background: rgb(255, 249, 242);">portant; word-wrap: break-word !important; background-image: url( https://mmbiz.qpic.cn/mmbiz_png/FIBZec7ucChgCt3icYzxMeb6PMJvy4rP6EH73aFCtdNrJYkggtdcKHg2MfgW6ukV4Kiam0Y2QhTYoVIMGCp3Lzpg/640?wx_fmt=png background-size: 150px; background-repeat: no-repeat; background-position: left top;">portant; background-image: url( https://mmbiz.qpic.cn/mmbiz_png/FIBZec7ucChgCt3icYzxMeb6PMJvy4rP6O49esAyaHMXuZiaX4fKBAJiaI1x7r7OBuJPBuFYxrvkicc7iadp7rNzQqw/640?wx_fmt=png background-size: 100%; background-repeat: no-repeat; background-position: center bottom;">portant; overflow-wrap: break-word !important;">

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(0, 0, 0); letter-spacing: 0px; font-variant-numeric: normal; font-size: 15px; font-family: 宋体;">跟着我国经济的快速成长，无机挥发性物资VOCs年夜量发生，最近几年来，挥发性无机物 (VOCs)已成为我国年夜气污染物的首要来历之一，这对人类的健康和生态系统的均衡形成了极年夜的威 胁，VOCs的结尾管理工作引发了社会的普遍存眷。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(0, 0, 0); letter-spacing: 0px; font-variant-numeric: normal; font-size: 15px; font-family: 宋体;">在现有单一结尾管理手艺根本上，对合适在年夜风量、低浓度VOCs的吸附浓缩-催化燃烧组合手艺的道理、工艺流程、研究近况和成长前景进行了具体阐述。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(0, 0, 0); letter-spacing: 0px; font-variant-numeric: normal; font-size: 15px; font-family: 宋体;">经由过程分歧结尾管理手艺的对照，发觉单一结尾管理手艺难以有用实现VOCs的减排节制，而组合结尾管理手艺具有净化率高、投资本钱少、能耗低、无二次污染等劣势，已成为今朝研究的热门。此中吸附浓缩-催化燃烧手艺已获得普遍利用，其他新兴组合手艺还待研究与立异。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(0, 0, 0); letter-spacing: 0px; font-variant-numeric: normal; font-size: 15px; font-family: 宋体;">本工作指出了我国VOCs结尾管理手艺具有的首要问题和此后的成长标的目的。

inkMacSystemFont, Helvetica Neue , PingFang SC , Hiragino Sans GB , Microsoft YaHei UI , Microsoft YaHei , Arial, sans-serif; text-align: justify; letter-spacing: 1.5px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">

inkMacSystemFont, Helvetica Neue , PingFang SC , Hiragino Sans GB , Microsoft YaHei UI , Microsoft YaHei , Arial, sans-serif; letter-spacing: 0.544px; box-sizing: border-box !important; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; display: flex; justify-content: center; align-items: center;">portant; font-size: 16px; width: 1.5em; height: 1.5em; background: rgb(253, 222, 11); color: rgb(51, 51, 51); line-height: 1.5em; text-align: center;">1portant; word-wrap: break-word !important; background-image: url( https://mmbiz.qpic.cn/mmbiz_png/uodpotWKnQcC1icz242nQdvqShtf5ibQJicfRRAqh42VQwC2O8Ae1BiaWuzXAxicAIPBH2kKQLQxlSrQ7ibHbPsib5c4w/640?wx_fmt=png background-position: left bottom; background-size: 7em; background-repeat: no-repeat; background-attachment: initial; background-origin: initial; background-clip: initial;">portant; word-wrap: break-word !important; text-align: center; letter-spacing: 1.5px; color: rgb(51, 51, 51);">VOCs简介

inkMacSystemFont, Helvetica Neue , PingFang SC , Hiragino Sans GB , Microsoft YaHei UI , Microsoft YaHei , Arial, sans-serif; text-align: justify; letter-spacing: 1.5px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;">

inkMacSystemFont, Helvetica Neue , PingFang SC , Hiragino Sans GB , Microsoft YaHei UI , Microsoft YaHei , Arial, sans-serif; letter-spacing: 0.544px; box-sizing: border-box !important; overflow-wrap: break-word !important;">

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">VOCs (volatile organic compounds),是指常温下饱和蒸汽压年夜在133. 32 Pa、常压下沸点在 50~260 C以下的无机化合物，或在常温常压下任何能挥发的无机固体或液体，是遍及具有且组 成复杂的一类无机污染物的统称。portant; word-wrap: break-word !important;">VOC按其化学布局，能够进一步分为：烷类、芳炷类、酯类、 醛类和其他等。portant; word-wrap: break-word !important;">今朝已判定出的有300多种。*常见的有苯、甲苯、二甲苯、苯乙烯、三氯乙 烯、三氯甲烷、三氯乙烷、二异氤酸酯(TDI)、二异氤甲苯酯等。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">portant; word-wrap: break-word !important;" />

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(255, 0, 0);">portant; word-wrap: break-word !important;">portant; overflow-wrap: break-word !important;">VOCs对年夜气酿成的风险首要有：

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">(1)部门具有毒性和致癌性，风险人体健康；

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">(2) VOCs 中的碳氢化合物与氮氧化合物在紫外线的感化下反映生成臭氧，可致使年夜气光化学烟雾事务发 生，风险人类健康和动物发展；

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">(3)介入年夜气中二次气溶胶的构成，二次气溶胶多为细颗粒, 不容易沉降，能较氏时候滞留在年夜气屮，对光线的散射力较强，能显著下降年夜气能见度

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">今朝我国年夜部门城市年夜气情况已显现区域性霾污染、臭氧和酸雨等三年夜复合型污染特点，而 VOCs是极主要的助推剂之一。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">portant; word-wrap: break-word !important;" />portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; display: flex; justify-content: center; align-items: center;">portant; font-size: 16px; width: 1.5em; height: 1.5em; background: rgb(253, 222, 11); color: rgb(51, 51, 51); line-height: 1.5em; text-align: center;">2portant; word-wrap: break-word !important; background-image: url( https://mmbiz.qpic.cn/mmbiz_png/uodpotWKnQcC1icz242nQdvqShtf5ibQJicfRRAqh42VQwC2O8Ae1BiaWuzXAxicAIPBH2kKQLQxlSrQ7ibHbPsib5c4w/640?wx_fmt=png background-position: left bottom; background-size: 7em; background-repeat: no-repeat; background-attachment: initial; background-origin: initial; background-clip: initial;">portant; word-wrap: break-word !important; text-align: center; letter-spacing: 1.5px; color: rgb(51, 51, 51);">VOCs常见处置手艺

portant; word-wrap: break-word !important; clear: both; min-height: 1em; text-align: justify; text-indent: 35px; letter-spacing: 1.5px; line-height: 2em;">

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">VOCs对情况的极年夜风险和对人体健康的严峻要挟，引发了全球的高度正视。VOCs的治 理在我国已经是迫在眉睫，portant; word-wrap: break-word !important; color: rgb(255, 0, 0);">portant; word-wrap: break-word !important;">今朝VOCs的处置手艺首要分为两年夜类:

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">(1)在泉源长进行节制portant; word-wrap: break-word !important; font-size: 15px;">，portant; word-wrap: break-word !important;">具体是指在出产环节上避免或削减VOCs排放的办法，是管理无机 废气污染的*佳方式。但因为手艺程度的限制，会不成避免地向情况中排放和泄露分歧浓度的有 机废气，实现难度较年夜。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">(2)在出产结尾节制并消弭VOCs的管理方式，可分为收受接管手艺和烧毁手艺两类。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px; color: rgb(0, 82, 255);">收受接管手艺：portant; word-wrap: break-word !important; font-size: 15px;">是采取物理方式将VOCs收受接管的非粉碎性方式，首要有活性炭吸附法、冷凝法、膜处置法等。此类方式不但能有用节制VOCs的排放，并且收受接管操纵可以或许节俭资本，带来经济效益，今朝愈来愈 遭到人们的存眷。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px; color: rgb(0, 82, 255);">烧毁手艺：portant; word-wrap: break-word !important; font-size: 15px;">即经由过程化学或生物反映进程使VOCs废气氧化分化为无毒或低毒物资的粉碎性方式，首要手艺有燃烧、光催化降解、等离子体手艺、生物降解等。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">上述VOCs废气处置手艺是单一处置工艺，portant; word-wrap: break-word !important; color: rgb(255, 0, 0);">须按照VOCs废气排放的具体环境和要求，选择适合的工艺；由于VOCs品种繁多、成份复杂、性质各别，在良多环境下采取一种净化手艺常常 难以到达管理要求，而且很不经济。操纵分歧单位管理手艺的劣势，采取组合管理工艺，既能够知足排放要求，又能够下降装备的运转费用。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">*先被用在处置VOCs的手艺是吸附法portant; word-wrap: break-word !important; font-size: 15px;">，此中*为经常使用且较为典型的是活性炭吸附，活性炭吸附法用在吸附处置卤代煙和苯系物等的手艺在工业上已很常见。portant; word-wrap: break-word !important;">吸附法的首要道理是操纵比概况积比力年夜的多孔材料作为吸附剂，当VOCs气体流经吸附剂时，因为吸附剂年夜的比概况积, VOCs份子被吸附剂截留在微孔内概况上，从而到达将气体净化的结果。portant; word-wrap: break-word !important; color: rgb(255, 0, 0);">沸石转轮+催化燃烧手艺作为一种新型组合的、高效的VOCs吸附处置手艺，在国外已获得普遍利用。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">portant; word-wrap: break-word !important; color: rgb(255, 0, 0);">portant; word-wrap: break-word !important;" />portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; display: flex; justify-content: center; align-items: center;">portant; font-size: 16px; width: 1.5em; height: 1.5em; background: rgb(253, 222, 11); color: rgb(51, 51, 51); line-height: 1.5em; text-align: center;">3portant; word-wrap: break-word !important; background-image: url( https://mmbiz.qpic.cn/mmbiz_png/uodpotWKnQcC1icz242nQdvqShtf5ibQJicfRRAqh42VQwC2O8Ae1BiaWuzXAxicAIPBH2kKQLQxlSrQ7ibHbPsib5c4w/640?wx_fmt=png background-position: left bottom; background-size: 7em; background-repeat: no-repeat; background-attachment: initial; background-origin: initial; background-clip: initial;">portant; word-wrap: break-word !important; text-align: center; letter-spacing: 1.5px; color: rgb(51, 51, 51);">沸石转轮+催化燃烧手艺手艺道理

portant; overflow-wrap: break-word !important;">

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">1、 转轮吸附简介

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">转轮吸附是由转轮除湿手艺演变而来，后由来自瑞典的Carl Munters提出能够把吸附材料做成蜂窝状，然后将转轮手艺用在分手进程的设法。在1986年，瑞典Munters公司第一个将理论 变成实际，将沸石制成蜂窝状置在转轮中，来实现无机废气中VOCs的净化。1988年，日本西部技研公司在VOCs净化项目中采取了蜂窝状沸石转轮，并取得成功。portant; word-wrap: break-word !important;">沸石转轮手艺已被年夜量用 在日本、美国、欧洲等国度低浓度年夜风量VOCs的管理中，而在我国的中国台湾地域也获得了很好的利用。因为国外转轮手艺成长较早，是以手艺较为进步前辈，整体来讲，沸石转轮的出产手艺还把握 在国外的企业手中。

portant; overflow-wrap: break-word !important;">

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(0, 112, 192);">转轮经常使用吸附剂：

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">(1)吸附剂品种

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">吸附材料是转轮手艺的焦点，经常使用的有活性炭和沸石份子筛两种。portant; word-wrap: break-word !important;">活性炭有丰硕的微孔，较 年夜的比概况积，吸附能力强，速度快，被普遍用在转轮手艺中。活性炭作为吸附剂处置废气时, 其吸附容量年夜，本钱低，可是其孔道易梗塞，而且活性炭自己具有必然的可燃性，在脱附时易着火，会组成必然的平安隐患，不合适平安出产的要求，在现实的利用中会遭到影响。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">沸石份子筛是一种具有特定骨架布局的结晶铝硅酸金属盐的水合物材料，portant; word-wrap: break-word !important; font-size: 15px; text-indent: 2em;">化学通式为：

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px; text-indent: 2em;">[ (A102) x - (SiO2)y] - zH20o

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px; text-indent: 2em;">此中M代表阳离子，m暗示其价态数，z暗示水合数，x 和万是整数，改布局被活化后，甲.头的水份了会消逝，剰下的成份就会白动构成笼形布局，孔portant; word-wrap: break-word !important; font-size: 15px; text-indent: 2em;">径为3~10 Aring。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px; text-indent: 2em;">沸石份子筛其选择吸附能力首要得力在规整的布局。portant; word-wrap: break-word !important; font-size: 15px; text-indent: 2em;">沸石份子筛孔径摆列法则，散布平均，选择吸附性首要是由于分歧沸石的孔径巨细分歧，一般环境下，只要份子动力学 直径小在份子筛孔径的份子才会被份子筛吸附。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">分歧类型的份子筛的骨架布局和孔径巨细也具有较年夜的差别，而份子筛的骨架布局具有水平 规模内的可变性，portant; word-wrap: break-word !important;">是以一些份子动力学直径略年夜在孔径的份子也能够被其吸附，可是吸附速度和吸附容量会较着减小。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">因为布局中具有阳离子，而且其骨架布局带负电荷，是以是份子筛本身带有极性。沸石份子筛的阳离子会发生强正电场，以此来吸引极性份子的负极中间，或可极化的份子经沸石份子筛静电引诱后极化。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">是以，portant; word-wrap: break-word !important;">沸石份子筛可以或许吸附极性较强或较易极化但动力学直径略年夜在其孔道尺寸的份子。因为份子筛具有非凡的孔道布局使其具有非凡的机能，在高温低压 的前提下也可以或许阐扬其吸附能力。今朝常被用来吸附的份子筛品种有13X, NaY,丝光沸石和 ZSM -5 等。

portant; overflow-wrap: break-word !important;">

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(0, 112, 192);">沸石转轮道理引见

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">研究得出：portant; word-wrap: break-word !important; font-size: 15px; color: rgb(255, 0, 0);">若是将加工好的波纹形和平板形陶瓷纤维纸采取无机粘合的体例做成蜂窝状的转轮portant; word-wrap: break-word !important; font-size: 15px;">，然后再将具有吸水性的沸石涂抹在这个转轮的通道上，该转轮就成了吸附性转轮，颠末尝试证实，该吸附性转轮对VOCs的净化处置十分有用。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">沸石转轮浓缩区可分为处置区、再生区、冷却区三部门，浓缩转轮在各个区内持续运转。portant; word-wrap: break-word !important; font-size: 15px;">VOCs无机废气经由过程前置过滤器过滤后，再经由过程浓缩转轮装配的处置区。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">在处置区VOCs被吸附剂吸附去除，净化后的空气从浓缩转轮的处置区排出。吸附在浓缩转轮中的无机废气VOCs,在再生区经热风处置而被脱附、浓缩到5~15倍的水平。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">浓缩转轮在冷却区被冷却，颠末冷却区的 空气，加热后作为再生空气利用，到达净化节能的结果。沸石转轮布局如图所示。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(0, 112, 192);">催化燃烧进程

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">催化燃烧进程是在催化燃烧装配中进行的。portant; word-wrap: break-word !important;">无机废气先经由过程热互换器预热到200 - 400 C , 再进入燃烧室，经由过程催化剂床时，碳氢化合物的份子和夹杂气体中的氧份子别离被吸附在催化剂的概况而活化。因为概况吸附下降了反映的活化能，碳氢化合物与氧份子在较低的温度下敏捷氧化，发生二氧化碳和水。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(0, 112, 192);"> 沸石转轮浓缩催化燃烧手艺的根基构想

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">采取吸附分手法对低浓度、年夜风量工业废气中的VOCs进行分手浓缩，对浓缩后的高浓度、 小风量的污染空气釆用燃烧法进行分化净化，通称吸附分手浓缩+燃烧分化净化法。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">具有蜂窝状布局的吸附转轮被安装在分隔成吸附、再生、冷却三个区的壳体中，在调速马达的驱动下以每小时3 ~8转的速度迟缓反转展转。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">吸附、再生、冷却三个辨别别与处置空气、冷却空气、再生空气风道相毗连。portant; word-wrap: break-word !important; font-size: 15px;">并且，为了避免各个区之间窜风和吸附转轮的圆周与壳体之间的空气泄露，各个区的分隔板与吸附转轮之间、吸附转轮的圆周与壳体之间均装有耐高温、耐溶剂的氟橡胶密封材料。

portant; overflow-wrap: break-word !important;">

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(0, 112, 192);">转轮吸附浓缩-催化燃烧工艺流程

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">1号风机带动含VOCs废气颠末转轮a区域，a区域为吸附区，按照分歧的方针物可在转轮 中填充分歧的吸附材料。吸附了 VOCs的a区域随转轮动弹来到b区域进行脱附。流经传热1的 高温气流将吸附在转轮上的VOCs脱附下来，并颠末传热2到达起燃温度，随落后入催化燃烧室 进行催化氧化反映。因为转轮脱附以后又要进行吸附，所以在脱附区域旁边设冷却区域c,以空 气进行冷却，冷却以后的温空气经传热1酿成脱附用热空气。催化燃烧反映以后的热气流将部门 热量传送给传热2、传热1后排至空气。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">为了避免催化燃烧室温渡过高，设置第三方冷却线路用在催化燃烧室的告急降温。portant; word-wrap: break-word !important; font-size: 15px;">全部系统巾万个监控系统构成，PCI担任监控催化燃烧室、传热器的温度（其内部设电辅热装配以均衡温 度波动)，PC2担任风机节制，按照现实环境调理进气流量。PC2属在PC1的子级系统，当PC1 监测到温度波动跨越答应规模时马上将消息传送给PC2, PC2将收到的消息转成指令传送给各风机。

portant; overflow-wrap: break-word !important;">

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; color: rgb(0, 112, 192);">转轮吸附浓缩-催化燃烧工艺特点

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">(1)吸附区旁路内轮回的成立。portant; word-wrap: break-word !important; font-size: 15px;">当废气颠末吸附区吸附后不达标，进入旁路内轮回，再次 进行吸附处置。此旁路内轮回的根基思绪为覆灭现有污染再吸纳新的污染。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">(2)冷却风旁路成立。portant; word-wrap: break-word !important; font-size: 15px;">在工况十分复杂的环境下，VOCs浓度有可能陡然升高，此时将部门 冷却风引入到吸附区以下降脱附风量，同时在传热2后弥补新风，以维系进入催化反映器的风量 在预设规模之内。此旁路的根基思惟是以新风对高浓度VOCs进行稀释，因此从结果上看，此法 也会耽误管理时候。

portant; overflow-wrap: break-word !important;">

portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; display: flex; justify-content: center; align-items: center;">portant; font-size: 16px; width: 1.5em; height: 1.5em; background: rgb(253, 222, 11); color: rgb(51, 51, 51); line-height: 1.5em; text-align: center;">4portant; word-wrap: break-word !important; background-image: url( https://mmbiz.qpic.cn/mmbiz_png/uodpotWKnQcC1icz242nQdvqShtf5ibQJicfRRAqh42VQwC2O8Ae1BiaWuzXAxicAIPBH2kKQLQxlSrQ7ibHbPsib5c4w/640?wx_fmt=png background-position: left bottom; background-size: 7em; background-repeat: no-repeat; background-attachment: initial; background-origin: initial; background-clip: initial;">portant; word-wrap: break-word !important; text-align: center; letter-spacing: 1.5px; color: rgb(51, 51, 51);">结语

portant; overflow-wrap: break-word !important;">

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">portant; word-wrap: break-word !important;">针对今朝芯片制造业、LCD面板业、半导体业，印刷业、涂装行业等多个工业出产范畴。其固定的出产体例必需要用到年夜量的无机溶剂，用以作为清洗剂、光刻胶、剥离液、稀释剂等, 在这个进程中会发生年夜量的无机废气，portant; word-wrap: break-word !important;">这些无机废气都是年夜风量、低浓度的废气，所以要想高效的管理这一类的含有VOCs成份的废气portant; word-wrap: break-word !important; font-size: 15px; color: rgb(255, 0, 0);">portant; word-wrap: break-word !important;">，沸石转轮吸附浓缩法是现阶段*为有用的管理体例。

portant; overflow-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 15px;">此刻新型新型吸附剂正在开辟傍边，我国的转轮建造手艺和密封手艺也在不竭的提高，转轮吸附手艺的适用性和处置结果也将获得年夜幅度的晋升，该项手艺在将来的时候里将冲破行业的壁垒，遭到加倍普遍的利用。

·芒果体育报道