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燃气锅炉排烟余热回收都有哪些技术?

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燃气锅炉排烟余热回收都有哪些技术?

发布日期:2019-05-15 作者:青海锦轩暖通机电设备有限公司 点击:

由于中国多年的工业发展,以煤炭作为主要燃料的工业锅炉仍占据着主导地位。为迎合国情工业在迅猛发展的同时也造成了雾霾等空气污染的日益严重,国家意识到这一点后发表了不少有关工业发展中保护环境的政策。

  

电玩棋牌游戏  ERTIANRANQIGONGYEDEXUNMENGFAZHANYEJIHUANBAODAILAILESHUGUANG。YICIZHONGQINGJIENENGYUANWEIRANLIAODEGUOLUJIANGHUIZHUJIANZENGDUO。YURANMEIXIANGBI,RANSHAOTIANRANQISUIRANPAIFANGDEERYANGHUALIUJIDANYANGHUAWUDEHANLIANGHENSHAO,JIANQINGLEDUIHUANJINGDEYALI,DANRANSHAOHOUCHANSHENGDEDALIANGSHUIZHENGQISUIGAOWENYANQIPAIFANGDAOHUANJINGZHONG,ZAOCHENGLENENGLIANGDEYANZHONGLANGFEI。ERCAIYONGLENGNINGSHIGUOLUJIANGGAOWENYANQIZHONGDEXIANREHEQIANREYUYIHUISHOU,KEYIDADAOCHONGFENLIYONGNENGYUANJIANGDIYUNXINGCHENGBENDEXIAOGUO。

  

电玩棋牌游戏  YI、HUANBAOGUOLUDEMIMI——LENGNINGZHIHUANQI

  

  冷凝式换热器就是增设在天然气锅炉电玩棋牌游戏尾部的余热回收装置,当烟气在通道内通过传热面,温度降至露点温度以下,从而使排烟中的水蒸气凝结释放潜热传递给回收工质,可以将排烟中大量的能量加以回收利用,从而达到节能环保的效果。随着制造工业的不断发展,各种新型高效的冷凝换热装置层出不穷,不论从结构还是实际余热回收效果来看都有了非常大的改进。

  

  ER、YANQIFENXI

  

  天然气成分绝大部分为烃,燃气锅炉排烟中水蒸气的含量较高,分析表明,排烟中可利用的热能中,水蒸气的汽化潜热所占的份额相当大。每1m3天然气燃烧后可以产生1. 55 kg水蒸气,具有可观的汽化潜热,大约为3 700 kJ/Nm3,占天然气的低位发热量的10%以上。传统锅炉中,排烟温度一般在160~250℃,烟气中的水蒸气仍处于过热状态,不可能凝结成液态的水而放出汽化潜热。因此传统的天然气锅炉理论热效率一般只能达到95%左右,利用冷凝式换热器只要把烟气温度降到烟气露点温度以下,就可回收烟气中的显热和水蒸气的凝结潜热,按低位发热量为基准计算,天然气锅炉热效率可达到和超过109%。

  

  1、LUDIANJISUAN

  

  ZAISHUIZHENGQIFENYALIBUBIANDEQINGKUANGXIA,SHIKONGQILENGQUEZHIBAOHESHIZHENGQIZHUANGTAISHI,JIANGYOUSHUIDIXICHU,CISHIDEWENDUJIWEILUDIANWENDU。TIANRANQIRANSHAOTEXINGFENXI(YI1 m3TIANRANQIJISUAN)YANQIZHONGSHUIZHENGQIDETIJIFENSHUDA17˙4%,RUORANSHAOZAIDAQIYALIXIAJINXING,DANGKONGQIGUOLIANGXISHUαWEI1.1SHI(BENWENZHONGDEJISUANJUNYICIZUOWEIJISUANYIJU),QIXIANGYINGDEYANQILUDIANWENDUSHI57℃。

  

  TONGGUOGUANCHAKEZHI,NEIMENGRANQIGUOLUYANQILUDIANWENDUSUIGUOLIANGKONGQIXISHUDEBIANHUAERBIANHUA。YINWEIGENJUDAOERDUNFENYADINGLV,LUDIANWENDUDEGAODIYUYANDAOZHONGSHUIZHENGQIDEFENYALIANG(JISHUIZHENGQIDEHANLIANG)CHENGZHENGBI,SUIZHEGUOLIANGKONGQIXISHUDEZENGJIA,YANDAOZHONGSHUIZHENGQIDEXIANGDUITIJIJIANXIAO,SHUIZHENGQIDERONGJIFENEHUIYOUSUOXIAJIANG,QILUDIANWENDUYESUIZHIJIANGDI。SHIJISHANG,SUIRANGEDIFANGTIANRANQIZHONGCHENGFENHANLIANGYOUSUOBUTONG,DANYOUYUQIZHUYAOCHENGFENJUNWEIJIAWANQIEZHANJUEDABUFEN,QITACHENGFENYINGXIANGHENXIAO,JINGJISUANDELUDIANWENDUWUCHABUCHAOGUO0.3%(FUHESHIJIYAOQIUDEFANWEI),BINGQIEYOUYUSHIJIRANSHAODEYINGXIANGYINSUJIAODUO,YESHIDEJISUANBUKENENGDADAOHENJINGQUE,TONGCHANGSHIZAILILUNZHIFUJINDEYIGEFANWEINEIBODONG,ZAISHIJIYINGYONGZHONGHAIXUGENJUBUTONGQINGKUANGJINXINGXIUZHENGFENXI。

  

青海燃气锅炉

  2、REXIAOLVJIEXI

  

电玩棋牌游戏  YANQIZHONGDERELIANGYIXIANREHEQIANRE2ZHONGXINGSHICUNZAI,YINCIGUOLUDERESUNSHIYEYOUYANQIDEXIANRESUNSHIHEQIANRESUNSHIZUCHENG。ERXIANRESUNSHIQUJUEYUYANQIDEWENDUHEYANQIZUFENDERERONGLIANG;QIANRESUNSHIZEQUJUEYUYANQIZHONGYISHUIZHENGQIXINGTAICUNZAIDESHUILIANGDEDUOSHAO。DANGSHUIZHENGQILENGNINGSHI,YANQIZHONGCUNZAIFUZADEXIANXIANG:YOUYUSHUIZHENGQIFENYALIJIAODI,BINGQIEZAILENGNINGYEMOFUJINZHUYAOSHIBUNINGQITI,RUN2、CO2、O2DENG,YANQIZHONGSHUIZHENGQIXUYAOCHUANGUOBUNINGQITICENGCAINENGDADAOYEMOBIAOMIANFASHENGLENGNING。YANQIZHONGSHUIZHENGQILENGNINGLVDENGYUYOUDANWEITIJITIANRANQIRANSHAOSHENGCHENGYANQISUOCHANSHENGDENINGJIESHUILIANGYURANSHAOSUOSHENGCHANDESHUIZHENGQILIANGDEBIZHI,QIZHONG,RANSHAOSUOCHANSHENGDESHUIZHENGQIBAOKUOTIANRANQIRANSHAOSHENGCHENGDESHUIZHENGQIJIKONGQIHERANQISUODAIRUDESHUIZHENGQI。

  

  JINYANQIZHONGDEQIANREJIUDUIGUOLUDEREXIAOLVYINGXIANGRUCIJUDA,TANGRUONENGJIANGPAIYANWENDUJIANGDIDAOLUDIANYIXIADUIQIANREJIAYIHUISHOULIYONG,DUIYIDIWEIFARELIANGWEIJIZHUNJINXINGJISUANDEREXIAOLVZHISHAOKETIGAODAO10%YISHANG。BINGQIESUIZHEPAIYANWENDUDEJIANGDI,YANQIDEXIANRESUNSHIYEHUIXIANGDUIJIANXIAO,NEIMEREXIAOLVDETIGAOJIANGGENGWEIMINGXIAN,JINYIBUZHENGMINGJIANGDIPAIYANWENDUDUIGUOLUXIAOLVTIGAODEZHONGYAOYIYI。

  

电玩棋牌游戏  JINYIBUJISUANKEYIDECHUZAIBUTONGPAIYANWENDUXIAGUOLUSHIJIREXIAOLVDEBIANHUAQUSHI。GUOLUXIAOLVSUIZHEPAIYANWENDUDEBIANHUAFENWEI2GEBIJIAOMINGXIANDEQUYU:ZAI60~180℃BIANHUAHUANMAN,ERZAI20~60℃BIANHUAJIAODA。ZHEIZHUYAOSHIYINWEIPAIYANSUNSHIZHONGSHUIZHENGQIQIANRESUNSHIZHANDEBILIDAYUYANQIXIANREDEJIEGUO。DANGGUOLUPAIYANWENDUJIANGDAO20℃SHI,GUOLUXIAOLVLILUNSHANGKEDA107.4%。

  

  PAIYANZHONGDESHUIZHENGQIQIANREZAI57℃YIXIACAINENGDEYIHUISHOU,NENGGOUHUISHOUDERELIANGYILAIYUSUOYAOQIUDELIYONGWENDUHELIYONGLV。RUGUOLIYONGWENDUJIEJINPAIYANDELUDIANWENDU,JINNENGHUISHOUJIAOSHAODERELIANG。LIYONGWENDUYUEDI,HUISHOUDERELIANGYUEDUO。YINCI,DIWENXIAYURELENGSHUIKEHUODEGAODEHUISHOULV,ERZAIJIAOGAODEWENDUXIASHUCHURENENGHUIJIANGZHIKEYIHUISHOUDENENGLIANGSHULIANG。

  

  SAN、YUREHUISHOU

  

  1、 BIMIANYUREHUISHOUQISHOUREMIANDEMOSUNDEQUANGUOCHENG

  

  JIANGYUREHUISHOUQIGUANPAISHEJICHENGMOSHIGUANPAI(HUO H XINGGUANPAI),ZHEIZHONGJIEGOUPOSHIYANQILIUDONGQUYUCENGLIU,GUANPAIJIANMEIYOUYANQIRAODONG,ZAITONGYANGYANSUXIA,YULUOXUANLEIPIANSHIHEGUANGGUANSHIXIANGBIJIAOSHIZUIBUYIMOSUNDESHOUREMIANBUZHIXINGSHI。ERQIEYOUYUMEIGEYANDAODEBIANJIEGUANPAIYUYANQIDEMOCA,ERXINGCHENGZHONGJIANLIUSUGAO,LIANGBIANLIUSUDIDEFENBUFANGSHI。YINCI,GUANBIFUJINYANQILIUSUDIYUPINGJUNZHI,YANQIRAODONGBIJIAORUO,HUANJIELEFEIHUIDUISHENGMEIQIDEMOSUN。LINGWAI,YANQILIUSUDUISHOUREMIANDEMOSUNYINGXIANGZUIDA,BUZHISHOUREMIANSHIYANQILIUSUBUYIGUODA,SHEJISHITONGGUODIAOZHENGGUANPAIHENGXIANGJIEJU,LAIGAIBIANSHOUREMIANDEYANSU,KEYOUXIAOBIMIANYUREHUISHOUQIGUANPAIDEMOSUNWENTI。

  

  2、 YANDAOZULI

  

  GUOLUZHENGGEYANDAOZULIZHUYAOYOUYINFENGJIHEYANCONGZIBALILAIKEFU,QIZHONGYINFENGJISHIZHUYAOYINSU。ANZHUANGYUREHUISHOUQIHOUGUOLUZHENGTIYANQIZULIBIRANZENGJIA。YIMOUDIANCHANG 3 HAOLURELIJISUANJIEGUOWEILI,YANDAOZULIZENGJIAYUE 70 Pa ZUOYOU。ZAIJIAZHUANGYUREHUISHOUQIDETONGSHISHIFOUDUIYINFENGJIJINXINGGAIZAO,JINYIBUTIGAOCHULI,QUEBAOANZHUANGYUREHUISHOUQIHOUGUOLUBENTIDEZHENGCHANGYUNXING,SHIXIANCHANGQINGKUANGQUEDING。

  

电玩棋牌游戏  3、YIZHIBEIDANYOUDEXIAOWENTI——YUREHUISHOUQIGUANNEIBIJIEGOU

  

  SHOUREMIANGUANNEIBIJIEGOUZHUYAOFASHENGZAIZHENGFADUAN,YINWEIZHENGQIDERONGYANNENGLIYUSHUIBIJIAOXIANGCHAHENDA。ERZAIYUREHUISHOUXITONGZHONGZUIGAODIANWENDUYEBUHUICHAOGUO 120 ℃,ZHENGGEXITONGRENGCHUYUYEXIANG,GUANNEIBIJIEGOUWENTIJIAOXIAO。

  

  ZONGJIE

  

  1、YUMEIHESHIYOUXIANGBI,TIANRANQISHIYIZHONGFEICHANGLIXIANGDEQINGJIENENGYUAN,PAIFANGYANQIDUIHUANJINGYALIXIAO,BINGQIEFEICHANGSHIHEJIANGQIGAIZAOWEILENGNINGSHIYUREHUISHOUGUOLU,TIGAOGUOLULIYONGXIAOLV。

  

  2、TIANRANQIGUOLUPAIFANGDEYANQIZHONGHANYOUYIDINGLIANGDESHUIZHENGQI,RUOJIANGPAIYANWENDUJIANGDIDAOLUDIANWENDUYIXIAHUISHOUSHUIZHENGQISHIFANGDEQIHUAQIANRE,KEJIANGGUOLUXIAOLVTIGAO10%YISHANG。

  

  3、HELISHEZHIGUANJIANJISHUCANSHU,KESHIXIANYUREHUISHOUXITONGZHANGQIWENDINGYUNXING,GUONEIYIXIEDIANCHANGCHENGGONGSHEJIANZHUANGLEYUREHUISHOULIYONGXITONG,WEIDIANCHANGDAILAILELIANGHAODEJINGJIXIAOYI。

  


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