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泵的基础知识与水泵选型及空调水泵的变频控制

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泵的基础知识与水泵选型及空调水泵的变频控制

发布日期:2018-08-01 作者: 点击:

贵州循环系统为您讲解泵的基础知识与水泵选型及空调水泵的变频控制

BENGSHUYULIUTIJIXIEDEYIZHONG,LIUTIJIXIESHIZHIYILIUTIWEIGONGZUOJIEZHIHENENGLIANGZAITIDEJIXIESHEBEI。LIUTIJIXIEGENJUNENGLIANGCHUANDIDEFANGXIANGBUTONG,KEFENWEIYUANDONGJI(SHUILUNJI、QILUNJI)HEGONGZUOJI(BENG、FENGJI、YASUOJI)。BENGSHUYUGONGZUOJI,JIXIAOHAONENGLIANGDEJIXIE。

CONGBENGDEXINGNENGFANWEIKAN,JUXINGBENGDELIULIANGMEIXIAOSHIKEDAJISHIWANLIFANGMIYISHANG,ERWEIXINGBENGDELIULIANGMEIXIAOSHIZEZAIJISHIHAOSHENGYIXIA;BENGDEYALIKECONGCHANGYADAOGAO19.61Mpa(200kgf/cm2)YISHANG;BEISHUSONGYETIDEWENDUZUIDIDA-200SHESHIDUYIXIA,ZUIGAOKEDA800SHESHIDUYISHANG。BENGSHUSONGYETIDEZHONGLEIFANDUO,ZHURUSHUSONGSHUI(QINGSHUI、WUSHUIDENG)、YOUYE、SUANJIANYE、XUANFUYE、HEYETAIJINSHUDENG。

河北快3ZAIHUAGONGHESHIYOUBUMENDESHENGCHANZHONG,YUANLIAO、BANCHENGPINHECHENGPINDADUOSHIYETI,ERJIANGYUANLIAOZHICHENGBANCHENGPINHECHENGPIN,XUYAOJINGGUOFUZADEGONGYIGUOCHENG,BENGZAIZHEIXIEGUOCHENGZHONGQIDAOLESHUSONGYETIHETIGONGHUAXUEFANYINGDEYALILIULIANGDEZUOYONG,CIWAI,ZAIHENDUOZHUANGZHIZHONGHAIYONGBENGLAIDIAOJIEWENDU。

河北快3BENGDECAOZUOYUANLI、GOUZAOJIFENLEI

河北快31)GONGZUOYUANLIKEFENWEIYOUFENWEIYEPIANSHI、RONGJISHIHEQITAXINGSHI。

河北快3①YEPIANSHIBENG,YIKAOXUANZHUANDEYELUNDUIYETIDEDONGLIZUOYONG,BANENGLIANGLIANXUDICHUANDIJIYETI,SHIYETIDEDONGNENG(WEIZHU)HEYALINENGZENGJIA,SUIHOUTONGGUOYACHUSHIJIANGDONGNENGZHUANHUANWEIYALINENG,YOUKEFENWEILIXINBENG、ZHOULIUBENG、BUFENLIUBENGHEXUANWOBENGDENG。

河北快3②RONGJISHIBENG,YIKAOBAORONGYETIDEMIFENGGONGZUOKONGJIANRONGJIDEZHOUQIXINGBIANHUA,BANENGLIANGZHOUQIXINGDICHUANDIJIYETI,SHIYETIDEYALIZENGJIAZHIJIANGYETIQIANGXINGPAICHU,GENJUGONGZUOYUANJIANDEYUNDONGXINGSHIYOUKEFENWEIWANGFUBENGHEHUIZHUANBENG。

河北快3③QITALEIXINGDEBENG,YIQITAXINGSHICHUANDINENGLIANG。RUSHELIUBENGYIKAOGAOSUPENSHEDEGONGZUOLIUTIJIANGXUSHUSONGDELIUTIXIRUBENGHOUHUNHE,JINXINGDONGLIANGJIAOHUANYICHUANDINENGLIANG;SHUICHUIBENGLIYONGZHIDONGSHILIUDONGZHONGDEBUFENSHUIBEISHENGDAOYIDINGGAODUCHUANDINENGLIANG;DIANCIBENGSHISHITONGDIANDEYETAIJINSHUZAIDIANCILIZUOYONGXIACHANSHENGLIUDONGERSHIXIANSHUSONG。LINGWAI,BENGYEKEANSHUSONGYETIDEXINGZHI、QUDONGFANGFA、JIEGOU、YONGTUDENGJINXINGFENLEI。

2)ANGONGZUOYELUNSHUMULAIFENLEI

① DANJIBENG:JIZAIBENGZHOUSHANGZHIYOUYIGEYELUN。

河北快3② DUOJIBENG:JIZAIBENGZHOUSHANGYOULIANGGEHUOLIANGGEYISHANGDEYELUN,ZHEISHIBENGDEZONGYANGCHENGWEInGEYELUNCHANSHENGDEYANGCHENGZHIHE。

3)ANGONGZUOYALILAIFENLEI

河北快3① DIYABENG:YALIDIYU100MISHUIZHU;

② ZHONGYABENG:YALIZAI100~650MISHUIZHUZHIJIAN;

③ GAOYABENG:YALIGAOYU650MISHUIZHU。(DUOJILIXINBENGKEDA2800m)

河北快34)ANYELUNJINSHUIFANGSHILAIFENLEI

① DANCEJINSHUISHIBENG:YOUJIAODANXIBENG,JIYELUNSHANGZHIYOUYIGEJINSHUIKOU;

② SHUANGCEJINSHUISHIBENG:YOUJIAOSHUANGXIBENG,JIYELUNLIANGCEDOUYOUYIGEJINSHUIKOU。TALIULIANGBIDANXISHIBENGDAYIBEI,KEYIJINSIKANZUOSHIERGEDANXIBENGYELUNBEIKAOBEIDIFANGZAILEYIQI。

5)ANBENGQIAOJIEHEFENGXINGSHILAIFENLEI

① SHUIPINGZHONGKAISHIBENG:JIZAITONGGUOZHOUXINXIANDESHUIPINGMIANSHANGKAIYOUJIEHEFENG。(ZUICHANGJIANDESHUIPINGZHONGKAIBENGSHISHUANGXIBENG)

河北快3② CHUIZHIJIEHEMIANBENG:JIJIEHEMIANYUZHOUXINXIANXIANGCHUIZHI。

6)ANBENGZHOUWEIZHILAIFENLEI

河北快3① WOSHIBENG:BENGZHOUWEIYUSHUIPINGWEIZHI。

河北快3② LISHIBENG:BENGZHOUWEIYUCHUIZHIWEIZHI。

7)ANYELUNCHULAIDESHUIYINXIANGYACHUSHIDEFANGSHIFENLEI

① WOQIAOBENG:SHUICONGYELUNCHULAIHOU,ZHIJIEJINRUJUYOULUOXUANXIANXINGZHUANGDEBENGQIAO。

河北快3② DAOYEBENG:SHUICONGYELUNCHULAIHOU,JINRUTAWAIMIANSHEZHIDEDAOYE,ZHIHOUJINXIAYIJIHUOLIURUCHUKOUGUAN。(CHANGYONGYUDUOJIBENGHEZHOULIUBENG)

YI、CAOZUOYUANLI

YOURUOGANGEWANQUDEYEPIANZUCHENGDEYELUNZHIYUJUYOUWOQIAOTONGDAODEBENGQIAOZHINEI。YELUNJINGUYUBENGZHOUSHANG,BENGZHOUYUDIANJIXIANGLIAN,KEYOUDIANJIDAIDONGXUANZHUAN。XIRUKOUWEIYUBENGQIAOZHONGYANGYUXIRUGUANLUXIANGLIAN,BINGZAIXIRUGUANDIBUZHUANGYIZHINIFA。BENGQIAODECEBIANWEIPAICHUKOU,YUPAICHUGUANLUXIANGLIAN,ZHUANGYOUDIAOJIEFA。

LIXINBENGZHISUOYINENGSHUSONGYETI,ZHUYAOSHIYIKAOGAOSUXUANZHUANYELUNSUOCHANSHENGDELIXINLI,YINCICHENGWEILIXINBENG。

LIXINBENGDEGONGZUOGUOCHENG:

KAIBENGQIAN,XIANZAIBENGNEIGUANMANYAOSHUSONGDEYETI。

KAIBENGHOU,BENGZHOUDAIDONGYELUNYIQIGAOSUXUANZHUANCHANSHENGLIXINLI。YETIZAICIZUOYONGXIA,CONGYELUNZHONGXINBEIPAOXIANGYELUNWAIZHOU,YALIZENGGAO,BINGYIHENGAODESUDULIURUBENGQIAO。ZAIBENGQIAOZHONGYOUYULIUDAODEBUDUANKUODA,YETIDELIUSUJIANMAN,SHIDABUFENDONGNENGZHUANHUAWEIYALINENG。ZUIHOUYETIYIJIAOGAODEJINGYAQIANGCONGPAICHUKOULIURUPAICHUGUANDAO。BENGNEIDEYETIBEIPAOCHUHOU,YELUNDEZHONGXINXINGCHENGLEZHENKONG,ZAIYEMIANYAQIANG(DAQIYA)YUBENGNEIYALI(FUYA)DEYACHAZUOYONGXIA,YETIBIANJINGXIRUGUANLUJINRUBENGNEI,TIANBULEBEIPAICHUYETIDEWEIZHI。

河北快3LIXINBENGQIDONGSHI,RUGUOBENGQIAONEICUNZAIKONGQI,YOUYUKONGQIDEMIDUYUANXIAOYUYETIDEMIDU,YELUNXUANZHUANSUOCHANSHENGDELIXINLIHENXIAO,YELUNZHONGXINCHUCHANSHENGDEDIYABUZUYIZAOCHENGXISHANGYETISUOXUYAODEZHENKONGDU,ZHEIYANG,LIXINBENGJIUWUFAGONGZUO。WEILESHIQIDONGQIANBENGNEICHONGMANYETI,ZAIXIRUGUANDAODIBUZHUANGYIZHINIFA。CIWAI,ZAILIXINBENGDECHUKOUGUANLUSHANGYEZHUANGYIDIAOJIEFA,YONGYUKAITINGCHEHEDIAOJIELIULIANG。

ER、JIBENBUJIANHEGOUZAO

1)YELUN

河北快3JIANGDIANDONGJIDEJIXIENENGCHUANJIYETI,SHIYETIDEDONGNENGYOUSUOTIGAO。

2)BENGQIAO 

河北快3HUIJIYETI,ZUODAOCHUYETIDETONGDAO;

SHIYETIDENENGLIANGFASHENGZHUANHUAN,YIBUFENDONGNENGZHUANBIANWEIJINGYANENG。

3)ZHOUFENGZHUANGZHI

WEILEFANGZHIGAOYAYETICONGBENGQIAONEIYANZHOUDESIZHOUERLOUCHU,HUOZHEWAIJIEKONGQILOURUBENGQIAONEI。

GONGZUOYALIHEMIFENG

河北快3TIANLIAOMIFENGSHUIBENG:ZUIDAGONGZUOYALI 4-5 bar。(BIAOZHUNGUIGE)

JIXIEMIFENGSHUIBENG:

SHUIBENGZUIDAGONGZUOYALI <10 bar SHI:BUPINGHENGJIXIEMIFENG (BIAOZHUN)

河北快3SHUIBENGZUIDAGONGZUOYALI>10barSHI: PINGHENGJIXIEMIFENG(EDINGZHIYUMIFENGDEJIEGOUYOUGUAN)

BENGDEJIBENCANSHU

河北快3LIULIANG、YANGCHENG、XINGNENGQUXIAN、ZUIDAGONGZUOYALI (NP)、ZHOUGONGLV、XIANGSIDINGLV、GONGLVJISUANGONGSHI。

JULI:

河北快3LIULIANG 200 l/s,YANGCHENG37.5m ,XUANYONGSHUIBENGXINGHAOASP200B ,YELUNZHIJING360mm ZHUANSU 1450RPM,XIAOLV87% GONGKUANGDIANZHOUGONGLV 84.5kW. 

RUGUOZHUANSUBIANWEI1000RPM,GENJUXIANGSIDINGLVCISHILIULIANGHEYANGCHENGJIGONGLVWEIDUOSHAO?

N1 = 1450RPM,  N2 = 1000RPM

Q1= 200l/s Q2 = Q1 x N2/N1 = 200×1000/1450= 138l/s

H1 = 37.5m H2 = H1 x (N2/N1)2 =37.5 ×(1000/1450)2 = 17.8m

P1 = 84.5kW P2 = P1 x (N2/N1)3= 84.5×(1000/1450)3 = 27.7kW

BENGDEXUANXING

XUANXINGYIJU:WOMENYAOXUANZESHENMEYANGDEBENG,XUYAONAXIETIAOJIANYIJU ?

1、JIEZHIDETEXING:JIEZHIMINGCHENG、MIDU、ZHANDU、FUSHIXING、DUXINGDENG。

a. JIEZHIMINGCHENG:QINGSHUI、WUSHUI、SHIYOUDENG。DANGJIEZHIHANQILIANG>75%SHI,ZUIHAOXUANYONGCHILUNBENGHUOZHELUOGANBENG。GUIZHOUXUNHUANXITONG

b. MIDU:

LIXINBENGDELIULIANGYUMIDUWUGUAN;

河北快3LIXINBENGDEYANGCHENGYUMIDUWUGUAN;

LIXINBENGDEXIAOLVBUSUIMIDUGAIBIAN;

河北快3DANGMIDU≠1000Kg/m3SHI,DIANJIDEGONGLVYINGGAIWEIYIBANGONGLVYUJIEZHIXIANGDUIQINGSHUIMIDUBIDECHENGJI,YIFANGDIANJIGUOZAICHAOLIU。

c. ZHANDU:

河北快3JIEZHIDEZHANDUDUIBENGDEXINGNENGYINGXIANGHENDA,ZHANDUGUODASHI,BENGDEYATOU(YANGCHENG)JIANXIAO,LIULIANGJIANXIAO,XIAOLVXIAJIANG,BENGDEZHOUGONGLVZENGDA。

河北快3DANGZHANDUZENGJIASHI,BENGDEYANGCHENGQUXIANXIAJIANG,ZUIJIAGONGKUANGDEYANGCHENGHELIULIANGJUNSUIZHIXIAJIANG,ERGONGLVZESUIZHISHANGSHENG,YINERXIAOLVJIANGDI。YIBANYANGBENSHANGDECANSHUJUNWEISHUSONGQINGSHUISHIDEXINGNENG,DANGSHUSONGZHANXINGJIEZHISHIYINGJINXINGHUANSUAN。

d. FUSHIXING:JIEZHIYOUFUSHISHI,CAIYONGKANGFUSHIXINGNENGHAODECAILIAO。

河北快3e. DUXING:KAOLVMIFENGFANGSHI,KECAIYONGGANQIMIFENGDENG。

2、JIEZHIZHONGSUOHANGUTIDEKELIZHIJING、HANLIANGDUOSHAO。

GENJUKELIZHIJING、HANLIANGDUOSHAO,KEXUANZECAIYONGDANLIUDAO、SHUANGLIUDAO、DUOLIUDAOXINGSHIDEYELUN。KELIHANLIANG>60%SHI,KAOLVCAIYONGZHAJIANGBENG。

3、JIEZHIWENDU:(℃)

GAOWENJIEZHIXUKAOLVMIFENGCAILIAODEXUANZEJICAILIAODEREPENGZHANGXISHU。JIEZHIWENDUPIANDISHI,KAOLVCAIYONGDIWENRUNHUAYOUHEDIWENDIANJI。

河北快34、SUOXUYAODELIULIANG(Q)

a、RUGUOSHENGCHANGONGYIZHONGYIJICHUZUIXIAO、ZHENGCHANG、ZUIDALIULIANG,YINGANZUIDALIULIANGKAOLV。

b、RUGUOSHENGCHANGONGYIZHONGZHIJICHUZHENGCHANGLIULIANG,YINGKAOLVLIUYOUYIDINGDEYULIANG。

c、RUGUOJIBENSHUJUZHIJIZHILIANGLIULIANG,YINGHUANSUANCHENGTIJILIULIANG。 

5、YANGCHENG:

SHUIBENGDEYANGCHENGDAYUEWEITISHUIGAODUDE1.15~1.2BEI(SHIYONGYUBUSHUIBENGZHIJICHUXITONGTUXUYAOJISUANYANGCHENGDEZHUANGKUANG) 。

RUYUDAOZHIJICHUZUIXIAOLIULIANG、ZUIDALIULIANGJIXIANGDUIYINGDEYANGCHENG,YINGJINKENENGANDALIULIANGXUANZE。

YINWEI:

河北快3a、GAOYANGCHENGDEBENGYONGYUDIYANGCHENG,BIANHUICHUXIANLIULIANGGUODA,DAOZHIDIANJICHAOZAI,RUOZHANGSHIJIANYUNXING,DIANJIWENDUSHENGGAO,SHENZHISHAOHUIDIANJI。

b、XIAOLIULIANGBENGZAIDALIULIANGXIAYUNXINGSHI,HUICHANSHENGQISHI,BENGZHANGSHIJIANQISHI,YINGXIANGSHUIBENGGUOLIUBUJIANDESHOUMING。

BENGDEQISHI

1、QISHIXINGCHENG

BENGZAIYUNZHUANZHONG,CHOUSONGYETIDEJUEDUIYALIJIANGDIDAODANGSHIWENDUXIADEGAIYETIQIHUAYALISHI,YETIBIANZAIGAICHUKAISHIQIHUA,XINGCHENGQIPAO,DANGHANYOUDALIANGQIPAODEYETILIUJINYELUNNEIDEGAOYAQUSHI,QIPAOZHOUWEIDEGAOYAYETIZHISHIQIPAOJIJUDISUOXIAOYIZHIPOLIE。ZAIQIPAOPOLIEDETONGSHI,YETIZHIDIANYIHENGAODESUDUTIANCHONGKONGXUE,ZAICISHUNJIANCHANSHENGHENQIANGLIEDESHUIJIZUOYONG,BINGYIHENGAODECHONGJIPINLVDAJIJINSHUBIAOMIAN,CHONGJIYINGLIKEDAJIBAIZHIJIQIANGEDAQIYA,CHONGJIPINLVKEDAMEIMIAOJIWANCI,YANZHONGSHIHUIJIANGBIJICHUAN。

2.QISHIDEWEIHAI

a、YELUNSHANGLIUXIADAJIZHUANGDEKENG;YINGXIANGYELUNDESHIYONGSHOUMING。

b、SHEBEICHANSHENGZHENDONG。

c、ZENGJIAZAOYIN。

河北快3d、QINGWEIDEQISHIZHIHUIZAOCHENGSHUIBENGXIAOLVHUOYANGCHENGDEJIANGDI。DIBIZHUANSUBENGSUIQISHIXINGNENGXIAJIANGMINGXIAN,GAOBIZHUANSUBENG,DANGQISHIDADAOYIDINGCHENGDUSHI,XINGNENGKAISHIXIAJIANG。 

河北快3e、 YANZHONGDEQISHIHUICHANSHENGHENQIANGDEZAOYIN,BINGSUODUANSHUIBENGDESHIYONGSHOU。

f、 GUSUANLAIJIANG,SUNSHIZUIDAZHANSHEJIYANGCHENGDE3%。

g、 DUIYUDUOJISHUIBENG, QISHIZHIHUIDUIDIYIJIYELUNCHANSHENGYINGXIANG。

3、BENGQISHIDEJIBENGUANXISHIWEI:

河北快3NPSHc≤NPSHr≤[NPSH]≤NPSHa

SHIZHONG:

NPSHa—ZHUANGZHIQISHIYULIANGYOUJIAOYOUXIAOQISHIYULIANG,SHIZHIZAIXIANCHANGTIAOJIANXIADEQISHIYULIANG。TAKEYEGENJUXITONGDESHEJITUZHIJISUANCHULAI,YUEDAYUEBUYIQISHI;

NPSHr—BENGQISHIYULIANG,YOUJIAOBIXUDEQISHIYULIANG,SHIZHISHUIBENGDEYIGETEXINGSHUJU,TASHIYOUSHUIBENGZHIZAOCHANGSHANGTIGONGDE。GAISHUZHIZAISHUIBENGDEXINGNENGTUBIAOZHONGYIJINGBEIBIAOSHICHULAI,YUEXIAOBENGKANGQISHIXINGNENGYUEHAO;

河北快3NPSHc—LINJIEQISHIYULIANG,SHIZHIDUIYINGBENGXINGNENGXIAJIANGYIDINGZHIDEQISHILIANG;

[NPSH]—XUYONGQISHIYULIANG,SHIQUEDINGBENGSHIYONGTIAOJIANYONGDEQISHIYULIANG。

河北快3WEIBAOZHENGXITONGDEANQUANYUNXING:SHIJIQISHIYULIANGZHI(NPSHa)BIXUYAO GAOYU SHEJIQISHIYULIANGZHI(NPSHr)。JI:NPSHa > NPSHr。

河北快35.SHIJIQISHIYULIANG(NPSHa)DEJISUANGONGSHI :NPSHa = (Hz-Hf) +(Hp–Hvp)

QIZHONG:

Hp = SHUIBENGRUKOUCHUYETIBIAOMIANDEJUEDUIYALI (m)

Hz = YETIJULISHUIBENGZHONGXINXIANDEJINGTAIGAOCHA (m) 

河北快3ZHU: DUIYULISHISHUIBENG YIDIYIJIYELUNDEZHONGXINXIANWEIZHUN。

河北快3Hf = GUANLUXITONGRUKOUCHUMOCAHERUKOUSUNSHIBAOKUODONGYATOU。(m)

河北快3Hvp = ZAISHUIBENGGONGZUOWENDUXIADEYETIZHENGQIYALI。(m)

RUGUONPSHASHUZHIHENXIAO,JIANYIXUANZE:

河北快3GENGDAYIXIEXINGHAODESHUIBENGHUOZHUANSUGENGMANYIXIEDESHUIBENG。

4、FANGZHIQISHIDECUOSHI

FANGZHIBENGFASHENGQISHICONGLIANGFANGMIANKAOLV,JIZENGDANPSHaHEJIANXIAONPSHr,CHANGYONGDEYIXIAJIZHONGFANGFA。

a、JIANXIAOJIHEXISHANGGAODUhg(HUOZENGJIAJIHEDAOGUANGAODU);

河北快3△h=10m- NPSH-∑h

∑h:GUANLUZULI,YEJIAOANQUANXISHU,QU:0.5~1.0mSHUIZHU

△h:XICHENG

河北快3b、ZENGJIAGUANJING,JINLIANGJIANXIAOGUANLUZHANGDU,WANTOUHEFUJIANDENG;

河北快3c、JINLIANGDIAOXIAOLIULIANG,FANGZHIBENGZHANGSHIJIANZAIDALIULIANGXIAYUNXING;

d、ZAITONGYANGZHUANSUHELIULIANGXIA,CAIYONGSHUANGXIBENG,YINJIANXIAOJINKOULIUSU、BENGBUYIFASHENGQISHI;

河北快3e、JIAYOUDAOLUNHUOZENGJIAYELUNJINKOUCHUDEGUANGJIEDU。

f、DUIYUZAIKEKETIAOJIANXIAYUNXINGDEBENG,WEIBIMIANQISHIPOHUAI,KESHIYONGNAIQISHICAILIAO。

CHANGJIANJIXUYAOZHUYIDEWENTI

1、DIANJIDEXUANZE

河北快3DIANJIDEXUANZEYAOLIUYOUYIDINGDEANQUANYULIANG。GUONEICHANGJIAJINGYANZUOFA:

河北快32、LIXINBENGQIDONGSHIYAOGUANBICHUKOUFA,ZHOULIUBENGQIDONGSHIYAODAKAICHUKOUFA。

YINLIXINBENGQIDONGSHI,BENGDECHUKOUGUANLUNEIHAIMEISHUI,YINCIHAIBUCUNZAIGUANLUZULIHETISHENGGAODUZULI,ZAIBENGQIDONGHOU,BENGYANGCHENGHENDI,LIULIANGHENDA,CISHIBENGDIANJI(ZHOUGONGLV)SHUCHUHENDA(JUBENGXINGNENGQUXIAN),HENRONGYICHAOZAI,JIUHUISHIBENGDEDIANJIJIXIANLUSUNHUAI,YINCIQIDONGSHIYAOGUANBICHUKOUFA,CAINENGSHIBENGZHENGCHANGYUNXING。

LIXINBENGZAILINGLIULIANGSHI,ZHOUGONGLVWEIEDINGGONGKUANGXIAZHOUGONGLVDE30%~90%。

河北快3ZHOULIUBENGZAILINGLIULIANGSHI,ZHOUGONGLVWEIEDINGGONGKUANGXIAZHOUGONGLVDE140%~200%。

河北快3SUOYIZHOULIUBENGYAOKAIFAQIDONG。

3、BENGQIDONGQIANYAOJIANCHABENGZHOUYUNDONGSHIFOUZHENGCHANG,SHIFOUYOUKASIXIANGXIANG。DIANDONGDIANJI,KANYUNZHUANFANGXIANGSHIFOUZHENGQUE。

河北快34、BENGANZHUANGSHI,BENGJINCHUKOUGUANLUSHANGBUNENGCHENGZHONG。BENGZHOUDUIZHONGYAOZAIZHUMANSHUIDE

TIAOJIANXIAJINXING。

5、QIANSHUIPAIWUBENGZHANGQIBUYONGSHI,YINGQINGXIBINGDIAOQIZHIYUTONGFENGGANZAOCHU,ZHUYIFANGDONG。RUOZHIYUSHUIZHONG,MEI15TIANZHISHAOYUNZHUAN30min(BUNENGGANMO),YIJIANCHAQIGONGNENGHESHIYINGXING。

JUEDINGJIXIEMIFENGSHOUMINGZHANGDUANDEGUANJIANDIAN

SHUIBENGSHEJI (ZHOUSHIFOUPIANYI, ZHOUCHENGFUZAIHEZHOUCHENGZUODETONGXINDU…)

ANZHUANG  (ZHOUDUIZHONGSHIFOUBAOCHI… )

河北快3GONGZUODIAN (SHIFOUZAIGAOXIAOQU, RUZAIKEYANZHANGJIXIEMIFENGSHOUMING)

BIAOMIANCAILIAO (SHIHEJIEZHI,TANHUAGUI、TANHUAWU)

MIFENGRUNHUA (RUNHUABUHAOKESUODUANMIFENGSHOUMING)

YINGYONGCHANGHE (RUGUOZAIGAOWEN、GAOYACHANGHE, MIFENGSHOUMINGSUODUAN)

ZHOUCHENG

ZHOUCHENGSHOUMINGYUQICHENGSHOUFUHEYOUGUAN。

TONGCHANGQINGKUANGXIAZHOUCHENGSHOUMINGWEI 50,000 hrs (DAYUE6NIAN 24 x 7)

GAOFUHEZHOUCHENGSHEJISHOUMINGKEDA10WANXIAOSHI

JUEDINGZHOUCHENGSHOUMINGZHANGDUANDEGUANJIANDIAN

ZHOUCHENGHEZAIZAISHEJIDIAN

SHUIBENGSHIFOUZAIGAOXIAOQUGONGZUO (ZAIGAOXIAOQUGONGZUOKEYANZHANGZHOUCHENGSHOUMING).

河北快3ANZHUANG/SHUIBENGZHOUDUIZHONG/BENGSHI

YOUQISHIHUOQITAXITONGYUANYINYINQISHUIBENGZHENDONGJIANGSUODUANZHOUCHENGSHOUMING

河北快3KONGDIAOSHUIBENGDEBIANPINKONGZHIYUANLI

(1) 定压差控制:控制供、 回水干管压差保持恒定的控制方法称为定压差控制。供、 回水干管压差不变时水泵提供的扬程保持恒定,故定压差控制又称为定扬程控制。此做法是:根据冷热水循环泵前后的集水器和分水器的静压差,控制冷热水循环泵的转速,使此静压差始终稳定在设定值附近。

(2) DINGMODUANYACHAKONGZHI:KONGZHIMODUAN(ZUIBULI)HUANLUYACHABAOCHIHENGDINGDEKONGZHIFANGFACHENGWEIMODUANYACHAKONGZHI。CIZUOFASHI:GENJUKONGDIAOSHUIXITONGZHONGCHUYUZUIBULIHUANLUZHONGKONGDIAOSHEBEIQIANHOUDEJINGYACHA,KONGZHILENGRESHUIXUNHUANBENGDEZHUANSU,SHICIJINGYACHASHIZHONGWENDINGZAISHEDINGZHIFUJIN。

河北快3(3) ZUIXIAOZULIKONGZHI:ZUIXIAOZULIKONGZHISHIGENJUKONGDIAOLENGRESHUIXUNHUANXITONGZHONGGEKONGDIAOSHEBEIDEDIAOJIEFAKAIDU,KONGZHILENGRESHUIXUNHUANBENGDEZHUANSU,SHIZHEIXIEDIAOJIEFAZHONGZHISHAOYOUYIGECHUYUQUANKAIZHUANGTAIDEKONGZHIFANGFA。

(4) WENCHAKONGZHI:KONGZHIGONG、HUISHUIGANGUANSHUIWENCHABAOCHIHENGDINGDEKONGZHIFANGFA,CHENGWEIWENCHAKONGZHI。DANGFUHEXIAJIANGSHI,RULIULIANGBAOCHIBUBIAN,ZEHUISHUIWENDUXIAJIANG,WENCHAXIANGYINGBIANXIAO,YAOBAOCHIWENCHABUBIAN,KETONGGUOKONGZHIWENCHAKONGZHIQI、BIANPINQILAIJIANGDISHUIBENGZHUANSU,JIANSHAOSHUILIULIANG,CISHISHUIBENGNENGHAOYIZHUANSUSANCIFANGDEGUANXIDIJIAN。GUIZHOUXUNHUANXITONG

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