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[ 来自:不详  阅读:   时间:2019.05.06 ]

离心泵​运转时,液体压力沿着离心泵入口到叶轮入口而下降,在叶片入口附近的K点上,液体压力pK***低。此后由于叶轮对液体作功,液体压力很快上升。当叶轮叶片入口附近的压力pK小于液体输送温度下的饱和蒸汽压力pv时,液体就汽化。同时,使溶解在液体内的气体逸出。它们形成许多汽泡。

DANGQIPAOSUIYETILIUDAOYEDAONEIYALIJIAOGAOCHUSHI,WAIMIANDEYETIYALIGAOYUQIPAONEIDEQIHUAYALI,ZEQIPAOYOUZHONGXINNINGJIEKUIMIEXINGCHENGKONGXUE,SHUNJIANNEIZHOUWEIDEYETIYIJIGAODESUDUXIANGKONGXUECHONGLAI,ZAOCHENGYETIHUXIANGZHUANGJI,SHIJUBUDEYALIZHOURANZENGJIA(YOUDEKEDASHUBAIGEDAQIYA)。ZHEIYANG,BUJINZUAIYETIZHENGCHANGLIUDONG,YOUWEIYANZHONGDESHI,RUGUOZHEIXIEQIPAOZAIYELUNBIMIANFUJINKUIMIE,ZEYETIJIUXIANGWUSHUGEXIAODANTOUYIYANG,LIANXUDIDAJIJINSHUBIAOMIAN。QIZHUANGJIPINLVHENGAO(YOUDEKEDA2000~3000Hz),YUSHIJINSHUBIAOMIANYINCHONGJIPILAOERBOLIE。

RURUOQIPAONEIJIAZAMOUZHONGHUOXINGQITI(RUYANGQIDENG),TAMENJIEZHUQIPAONINGJIESHIFANGCHUDERELIANG(JUBUWENDUKEDA200~300℃),HAIHUIXINGCHENGREDIANOU,CHANSHENGDIANJIE,XINGCHENGDIANHUAXUEFUSHIZUOYONG,GENGJIASULEJINSHUBOSHIDEPOHUAISUDU。SHANGSHUZHEIZHONGYETIQIHUA、NINGJIE、CHONGJI、XINGCHENGGAOYA、GAOWEN、GAOPINCHONGJIFUHE,ZAOCHENGJINSHUCAILIAODEJIXIEBOLIEYUDIANHUAXUEFUSHIPOHUAIDEZONGHEXIANXIANGCHENGWEIQISHI。   

LIXINBENG***YIFASHENGQISHIDEBUWEIYOU:YELUNQULV***DADEQIANGAIBANCHU,KAOJINYEPIANJINKOUBIANYUANDEDIYACE;YACHUSHIZHONGWOQIAOGESHEHEDAOYEDEKAOJINJINKOUBIANYUANDIYACE;WUQIANGAIBANDEGAOZHUANSHUYELUNDEYESHAOWAIYUANYUQIAOTIZHIJIANDEMIFENGJIANXIYIJIYESHAODEDIYACE;DUOJIBENGZHONG******JIYELUN。

TIGAOLIXINBENGBENSHENKANGQISHIXINGNENGDECUOSHI,GAIJINBENGDEXIRUKOUZHIYELUNFUJINDEJIEGOUSHEJI。ZENGDAGUOLIUMIANJI;ZENGDAYELUNGAIBANJINKOUDUANDEQULVBANJING,JIANXIAOYELIUJIJUJIASUYUJIANGYA;SHIDANGJIANSHAOYEPIANJINKOUDEHOUDU,BINGJIANGYEPIANJINKOUXIUYUAN,SHIQIJIEJINLIUXIANXING,YEKEYIJIANSHAORAOLIUYEPIANTOUBUDEJIASUYUJIANGYA;TIGAOYELUNHEYEPIANJINKOUBUFENBIAOMIANGUANGJIEDUYIJIANXIAOZULISUNSHI;JIANGYEPIANJINKOUBIANXIANGYELUNJINKOUYANSHEN,SHIYELIUTIQIANJIESHOUZUOGONG,TIGAOYALI。    

CAIYONGQIANZHIYOUDAOLUN,SHIYELIUZAIQIANZHIYOUDAOLUNZHONGTIQIANZUOGONG,YITIGAOYELIUYALI。CAIYONGSHUANGXIYELUN,RANGYELIUCONGYELUNLIANGCETONGSHIJINRUYELUN,ZEJINKOUJIEMIANZENGJIAYIBEI,JINKOULIUSUKEJIANSHAOYIBEI。SHEJIGONGKUANGCAIYONGSHAODADEZHENGCHONGJIAO,YIZENGDAYEPIANJINKOUJIAO,JIANXIAOYEPIANJINKOUCHUDEWANQU,JIANXIAOYEPIANZUSAI,YIZENGDAJINKOUMIANJI;GAISHANDALIULIANGXIADEGONGZUOTIAOJIAN,YIJIANSHAOLIUDONGSUNSHI。DANZHENGCHONGJIAOBUYIGUODA,FOUZEYINGXIANGXIAOLV。CAIYONGKANGQISHIDECAILIAO。SHIJIANBIAOMING,CAILIAODEQIANGDU、YINGDU、RENXINGYUEGAO,HUAXUEWENDINGXINGYUEHAO,KANGQISHIDEXINGNENGYUEQIANG。

YISHANGCUOSHIKEGENJUBENGDEXUANXING、XUANCAIHEBENGDESHIYONGXIANCHANGDENGTIAOJIAN,JINXINGZONGHEFENXI,SHIDANGJIAYIYINGYONG。

YISHANGJIUSHIGUANYULIXINBENGDEXINGYEFENXIANG,XIWANGDAJIANENGGOUXIHUAN。

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