，有时，还可能发生冲火而烧毁滤袋和设备的情况发生，为保证整个除尘器安全稳定的运行，系统设置烟气冷却混
you shi hai ke neng fa sheng chong huo er shao hui lv dai he she bei de qing kuang fa sheng wei bao zheng zheng ge chu chen qi an quan wen ding de yun hang xi tong she zhi yan qi leng que hun
冷却混合器：由于中小型钢厂场地都比较狭窄，缺乏规划，除尘器布置离电炉一般都比较近，而电炉生产温度较高
leng que hun he qi you yu zhong xiao xing gang chang chang di dou bi jiao xia zhai que fa gui hua chu chen qi bu zhi li dian lu yi ban dou bi jiao jin er dian lu sheng chan wen du jiao gao
管道系统设置系统风量调节阀；（5）管道按规范设置膨胀伸缩节；（6）管道的布置应有一定的角度。4.烟气
guan dao xi tong she zhi xi tong feng liang diao jie fa 5 guan dao an gui fan she zhi peng zhang shen suo jie 6 guan dao de bu zhi ying you yi ding de jiao du 4. yan qi
经的烟气流量计算管径；（2）管道每隔15米设置φ600积灰清扫孔；（3）管道每隔5米设加强圈；（4）
jing de yan qi liu liang ji suan guan jing 2 guan dao mei ge 15 mi she zhi 600 ji hui qing sao kong 3 guan dao mei ge 5 mi she jia qiang quan 4
量。3.管道配置：根据上述计算工况烟气总量。系统管道配置如下：（1）所有管道流速按18m/s及各自流
liang 3. guan dao pei zhi gen ju shang shu ji suan gong kuang yan qi zong liang xi tong guan dao pei zhi ru xia 1 suo you guan dao liu su an 18m/s ji ge zi liu
捕集烟气方式，对于20吨lf炉，其成份较为稳定，烟气量较小，移动式侧吸罩按进风面积和进风速度计算排烟
bu ji yan qi fang shi dui yu 20 dun lf lu qi cheng fen jiao wei wen ding yan qi liang jiao xiao yi dong shi ce xi zhao an jin feng mian ji he jin feng su du ji suan pai yan
置和两个滚轮组成一体，沿厂房屋架方向在导轨上直线运动。2.lf精炼炉捕集罩：精炼炉采用移动式侧吸罩的
zhi he liang ge gun lun zu cheng yi ti yan chang fang wu jia fang xiang zai dao gui shang zhi xian yun dong 2.lf jing lian lu bu ji zhao jing lian lu cai yong yi dong shi ce xi zhao de
小，仅留出一条满足料篮钢丝绳活动的缝，能满足爱迪奥特曼生产的需要。加料完毕后活动门关闭。移动罩由两组减速传动装
xiao jin liu chu yi tiao man zu liao lan gang si sheng huo dong de feng neng man zu ai di ao te man sheng chan de xu yao jia liao wan bi hou huo dong men guan bi yi dong zhao you liang zu jian su chuan dong zhuang
主要由固定壁板和固定吸风嗽叭、活动加料作门等组成。加料时活动门开启，待料篮吊至炉顶上空时，大门逐渐关
zhu yao you gu ding bi ban he gu ding xi feng sou ba huo dong jia liao zuo men deng zu cheng jia liao shi huo dong men kai qi dai liao lan diao zhi lu ding shang kong shi da men zhu jian guan
定罩+移动式（半）密闭罩的捕集方式。采用爱迪奥特曼移动式密闭罩具有捕集效率高、投资省的特点。移动式（半）密闭罩
ding zhao + yi dong shi ban mi bi zhao de bu ji fang shi cai yong ai di ao te man yi dong shi mi bi zhao ju you bu ji xiao lv gao tou zi sheng de te dian yi dong shi ban mi bi zhao
h。一、工艺流程二、主要设备选型1.电炉捕集罩：为保证90%的烟气捕集率，在电炉烟气净化系统中采用固
h yi gong yi liu cheng er zhu yao she bei xuan xing 1. dian lu bu ji zhao wei bao zheng 90% de yan qi bu ji lv zai dian lu yan qi jing hua xi tong zhong cai yong gu
技术。三家钢厂都是2×20t炼钢电弧炉。所炼品种为建筑钢材，其烟气量根据计算为2×180000m3/
ji shu san jia gang chang dou shi 2 20t lian gang dian hu lu suo lian pin zhong wei jian zhu gang cai qi yan qi liang gen ju ji suan wei 2 180000m3/
功。笔者在河南、四川、重庆的三家钢厂采用了这种新型g-zhydm型集约爱迪奥特曼组合式圆筒长袋低压脉冲袋式除尘
gong bi zhe zai he nan si chuan zhong qing de san jia gang chang cai yong le zhe zhong xin xing g-zhydm xing ji yue ai di ao te man zu he shi yuan tong chang dai di ya mai chong dai shi chu chen
g-zhydm型集约组合式圆筒长袋低压脉冲袋式除尘器应用在中小型炼钢电炉的除尘系统上均取得了很大的成
g-zhydm xing ji yue zu he shi yuan tong chang dai di ya mai chong dai shi chu chen qi ying yong zai zhong xiao xing lian gang dian lu de chu chen xi tong shang jun qu de le hen da de cheng
、钢耗量多、投资大也成为客户的商务投资负担。带着这些问题，笔者在几家中小型炼爱迪奥特曼钢厂尝试采用由笔者设计的
gang hao liang duo tou zi da ye cheng wei ke hu de shang wu tou zi fu dan dai zhe zhe xie wen ti bi zhe zai ji jia zhong xiao xing lian ai di ao te man gang chang chang shi cai yong you bi zhe she ji de
漏风率高的缺陷使该除尘器收尘效果大打折扣，严重的使带有黏性的电炉粉尘粘袋而失去除尘功能。再者，体积大
lou feng lv gao de que xian shi gai chu chen qi shou chen xiao guo da da zhe kou yan zhong de shi dai you nian xing de dian lu fen chen zhan dai er shi qu chu chen gong neng zai zhe ti ji da
粉尘的效能不均，致使滤袋袋压不平衡而影响滤袋的使用寿命，且气流容易爱迪奥特曼形成“涡流”其结构性的气密性不严、
fen chen de xiao neng bu jun zhi shi lv dai dai ya bu ping heng er ying xiang lv dai de shi yong shou ming qie qi liu rong yi ai di ao te man xing cheng wo liu qi jie gou xing de qi mi xing bu yan
除尘系统的使用已经近乎于常规，但大部分长袋低压脉冲袋式除尘器其结构是方型结构。气流不均匀造成滤袋收集
chu chen xi tong de shi yong yi jing jin hu yu chang gui dan da bu fen chang dai di ya mai chong dai shi chu chen qi qi jie gou shi fang xing jie gou qi liu bu jun yun zao cheng lv dai shou ji
的核心是脉冲袋式除尘器的滤料爱迪奥特曼选择和气布比适应电炉烟尘的特性。目前，长袋低压脉冲袋式除尘技术应用在电炉
de he xin shi mai chong dai shi chu chen qi de lv liao ai di ao te man xuan ze he qi bu bi shi ying dian lu yan chen de te xing mu qian chang dai di ya mai chong dai shi chu chen ji shu ying yong zai dian lu
电炉炼钢长袋低压脉冲袋式除尘技术电炉炼钢长袋低压脉冲袋式除尘技术，在我国已经是很成熟的技术了。其技术
dian lu lian gang chang dai di ya mai chong dai shi chu chen ji shu dian lu lian gang chang dai di ya mai chong dai shi chu chen ji shu zai wo guo yi jing shi hen cheng shu de ji shu le qi ji shu