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锅炉风机高压变频节能技术改造分析

发布时间:2018-10-23  阅读:1716次   字号:  
 随着经济的增长,对能源的需求逐渐增多,在能源使用过程中,损耗的现象日益严重,其中最主要的原因是相关设备、技术落后,导致功率因素低,能源耗损高。本文对热电厂锅炉风机高压变频节能技术改造进行了分析。

  1REDIANCHANGGUOLUFENGJIGAOYABIANPINJIENENGJISHUGAIZAOXUQIU

  1.1REDIANCHANGGUOLUFENGJIYUANLI

  REDIANCHANGGUOLUFENGJIYIBANCAIYONGDEDOUSHILIXINSHIGAOYAFENGJI,ANZHAOYONGTUFENWEIYINFENGJIHESONGFENGJI,QIZHONGSONGFENGJIYOUFENWEIYICIFENGJIHEERCIFENGJI,YICIFENGJISHIXIANGGUOLULISHUSONGMEIFENHEKONGQI,ERCIFENGJISHIWEILEJIAQIANGGUOLULIMEIFENDEJIAODONG,BINGBUCHONGKONGQI,SHIMEIFENCHONGFENRANSHAO,DIAOJIEGUOLUFUHE。ERYINFENGJIZEJIANGFEIQIXICHU,BAOCHIGUOLUNEIQIYAPINGHENG,BINGTONGGUOXICHUREKONGQIWEICHIGUOLUNEIDEWENDUWENDING。DANGGUOLUDEFUHEXUYAOZENGGAOSHI,KONGZHICHENGXUSHIXIANDIAODAERCIFENGJIDESONGFENGLIANG,ZAIJIADAMEIFENSHUCHULIANG;DANGGUOLUDEFUHEXUYAOJIANGDISHI,KONGZHICHENGXUSHIXIANJIANSHAOMEIFENSHUCHULIANG,ZAIDIAOXIAOERCIFENGJIDESONGFENGLIANG。

  1.2REDIANCHANGGUOLUFENGJIXIANZHUANG

  TONGGUOFENXIGUOLUFENGJIYUANLIKEZHI,SUIZHEGUOLUFUHEDEBIANHUA,ERCIFENGJIDEDIAOJIEJIAOWEIPINFAN。ERRUJINDABUFENGUOLUFENGJISHIQUANPINYUNXINGDEMOSHI,JIWUFAGAIBIANFENGJIDEYUNXINGGONGLV,SHIZAIFENGJICHUFENGKOUSHEZHIDANGBAN,DANGXUYAODUIFENGLIANGJINXINGDIAOJIESHI,TONGGUODIAOJIEDANGBANKAIHEDULAISHIXIAN。ZHEIYANGDEYUNXINGMOSHI,DAOZHIERCIFENGJIZAIJINXINGDIAOJIESHI,HENDAYIBUFENDEFENGLIBEIDANGBANXIAOHAO,SHENZHICHANSHENGDEHUILIUFENGZAICIDIXIAODIAOYIBUFENFENGLI,ZAOCHENGDIANLIDEDALIANGLANGFEI。JUTONGJI,GUOLUFENGJIDEHAODIANLIANGZHANREDIANCHANGZONGHAODIANLIANGDE45%ZUOYOU,ERDANGBANDIAOJIEDEFANGSHI,SHIDEGUOLUGAOFUHESHIFENGJILANGFEIDEDIANLIYUEWEI25%,GUOLUDIFUHESHIFENGJILANGFEIDEDIANLIDADAOLE75%。

  2REDIANCHANGGUOLUFENGJIGAOYABIANPINJIENENGJISHUGAIZAOYUANLI

  2.1GAOYABIANPINJIENENGJISHUYUANLI

  SUOWEIGAOYABIANPINJISHU,SHITONGGUODIAOJIEDIANYADESHUCHU,KONGZHIFENGJIDESHIJIGONGLV,CONGERJINYIBUKONGZHIFENGJIDEZHUANSU,DIAOJIEFENGJIFENGLIANG,ZAIFENGJIZHONGYINGYONGGAOYABIANPINJISHU,JIUKEYISHIDECHUFENGKOUDEDANGBANWANQUANDAKAI,LIYONGBIANPINJISHUCONGYUANTOUDIAOJIEFENGJIDEFENGLIANGSHUCHU。

  FENGJIDEDIANJIZHUANSUGONGSHIWEI:n=(1-s)n0,n0=60f/p。QIZHONGnWEISHIJIZHUANSU,n0WEILILUNZHUANSU,sSHIZHUANCHALV,fSHIDIANJIDEYUNXINGPINLV(60SHI60 s),pSHIDIANJIJIDUISHU。YOUZHUANSUGONGSHIKEKANCHU,ZAIBUKAOLVZHUANCHALVsDEQINGKUANGXIA(s=0~0.05),DIANJIDESHIJIZHUANSUn=60f/p,JInYUfSHICHENGZHENGBILIXIANGGUANDE,nDEZHIHUISUIZHEfDEZENGJIAERZENGJIA,SUIZHEfDEJIANSHAOERJIANSHAO,SUOYIKONGZHIGONGLVDESHUCHU,LAIDIAOJIEfDEZHI,JIUNENGGOUWANCHENGDUIDIANJIZHUANSUnDEDIAOJIE。

  2.2GAOYABIANPINJIENENGJISHUYOUDIAN

  GAOYABIANPINJIENENGJISHUDEYINGYONG,NENGGOUBIMIANFENGLIANGYINWEIDANGBANDESUNSHI,TIGAOFENGJIDEGONGZUOXIAOLV,JIANGDIDIANLIDEXIAOHAO。BIQIDANGBANDIAOJIEFENGLIANG,LIYONGGAOYABIANPINJISHUDIAOJIE,ZAISHUSONGFENGLIANGSHIGENGJIAJINGZHUN,NENGGOUSHIXIANDUIGUOLUFUHEDEJINGZHUNKONGZHI。ERQIEGAOYABIANPINJISHUDEYINGYONG,ZAIFENGJIQIDONGSHI,NENGGOUDUIFENGJIJINXINGYOUXIAOBAOHU。CHUANTONGDEQUANYAQIDONGFANGSHI,DUIFADONGJIHEFENGJIDOUHUICHANSHENGJIDADECHONGJILI,RONGYIYINFAGUZHANG,SHENZHISHEBEISUNHUAI。ERGAOYABIANPINJISHUSHIFADONGJIHUANMANQIDONG,YOUXIAODIBIMIANLEZHEIGEWENTI,JIDADIJIANGDILESHEBEIGUZHANGLV。

  3REDIANCHANGGUOLUFENGJIGAOYABIANPINJIENENGJISHUGAIZAOFANGAN

  3.1GAOYABIANPINQIXUANXING

  GAOYABIANPINQIDEXUANXINGXUYAOKAOLVDIANYADENGJIHETOUZICHENGBENDEWENTI,RUYITAI1120 kWGONGLVDEFENGJI,XUANZE60 kVDIANYADENGJIDEGAOYABIANPINQIXIANRANJIUSHIBUHELIDE,JIWUFADUIGAOYABIANPINQIJINXINGCHONGFENLIYONG,YOUZENGDALETOUZICHENGBEN,LINGWAIZAIXUANXINGSHIHAIXUYAOZHUYIXIEBOWURANWENTI。ZONGHEFENXIREDIANCHANGDESHIJIXUQIU,DUIBISHIMIANSHANGDEJIZHONGGAOYABIANPINQIXINGHAO(LIANGDIANPINGXING、DUODIANPINGXING、DANYUANCHUANLIANXINGDENG),XUANZEDANYUANCHUANLIANXINGGAOYABIANPINQISHIJIAOWEIHESHIDE。TACAIYONGDESHIJINJINIANXINCHUXIANDEYIZHONGTUOPUJIEGOUDIANLU,SUOJUYOUDEYOUDIANYOU:GONGLVYINSUGAO、KANGGANRAONENGLIQIANG、XIEBOWURANXIAO、ZAOJIADI、GUZHANGBUTINGJIDENG。

  3.2ZHUXITONGGAIZAOFANGAN

  QFWEIZHENKONGDUANLUQI,QS1、QS2WEIGAOYAGELIDAOZHA,KM1、KM2、KM3WEIGAOYAZHENKONGJIECHUQI。DANGGAOYABIANPINQITOURUSHIYONGSHI,YINGXIANJIANGZHENKONGDUANLUQIQFBIHE,ZAIJIANGGAOYAGELIDAOZHAQS1、QS2BIHE,ZHIHOUJIANGGAOYAZHENKONGJIECHUQIKM1、KM2BIHE,DUANKAIGAOYAZHENKONGJIECHUQIKM3。DANGGAOYABIANPINQIFASHENGGUZHANGSHI,GAOYABIANPINQIDEKONGZHIBAOHUXITONGJIANGHUIZIDONGDUANKAIGAOYAZHENKONGJIECHUQIKM1、KM2,TONGSHIBIHEGAOYAZHENKONGJIECHUQIKM3,SHIGAOYADIANJICONGBIANPINZHUANGTAIQIEHUANDAOGONGPINZHUANGTAIXIAYUNXING。ERWEILEBAOZHENGQIEHUANYUNXINGZHUANGTAISHIANQUANKEKAO,XUYAOSHEJIDIANQIHUSUOGONGNENG,JIKM1HEKM2BIHESHI,KM3WUFABIHE;ERDANGKM3BIHESHI,KM1HEKM2BUNENGZAIBIHE。

  3.3GAOYABIANPINJIENENGJISHUGAIZAOFANGANZHUYISHIXIANG

  1)GAOYABIANPINQIZAIJIEXIANSHI,YIDINGYAOZHUYISHURUDUANHESHUCHUDUANDEQUBIE,BUKEJIEFAN,YIMIANZAIFENGJISHIYONGSHIYINFASHIGU。

  2)ZHUNQUEJISUANZHUANZIDELINJIEZHUANSU,CAIQUBIYAODEJISHUBAOHUCUOSHI,BIMIANFASHENGNIUQUGONGZHENXIANXIANG。

  3)ANZHUANGWANBIHOU,JIANCHABIANPINQIJUTISHIFOUZUOHAOLEXIANGGUANJIEDIGONGZUO。

  4)JIANGYUCHONGDIANDIANYUANJISHUYUNYINGYUFENGJIQIDONGMOSHIZHONG,BIMIANQUANYAQIDONGDUISHEBEIXINGCHENGGUODAFUHE。


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