排列3号码分析器

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泵的选型原则、依据和具体操作方式
来自:君泉泵阀   发布时间:2013-3-11

JIYUANZAISHEJIZHUANGZHISHEBEISHI,YAOQUEDINGBENGDEYONGTUHEXINGNENGBINGXUANZEBENGXING。ZHEIZHONGXUANZESHOUXIANDECONGXUANZEBENGDEZHONGLEIHEXINGSHIKAISHI,NEIMEYISHENMEYUANZELAIXUANBENGNI?YIJUYOUSHISHENME? YI 、 LEJIEBENGXUANXINGYUANZE

1、SHISUOXUANBENGDEXINGSHIHEXINGNENGFUHEZHUANGZHILIULIANG、YANGCHENG、YALI、WENDU、QISHILIULIANG、XICHENGDENGGONGYICANSHUDEYAOQIU。

2、BIXUMANZUJIEZHITEXINGDEYAOQIU。


对输送易燃、易爆有毒或贵重介质的泵,要求轴封可靠或采用无泄漏泵,如磁力驱动泵、隔膜泵、屏蔽泵


对输送腐蚀性介质的泵,要求对流部件采用耐腐蚀性材料,如AFB不锈钢耐腐蚀泵,CQF工程塑料磁力驱动泵。


对输送含固体颗粒介质的泵,要求对流部件采用耐磨材料,必要时轴封用采用清洁液体冲洗。

3、JIXIEFANGMIANKEKAOXINGGAO、ZAOSHENGDI、ZHENDONGXIAO。

4、JINGJISHANGYAOZONGHEKAOLVDAOSHEBEIFEI、YUNZHUANFEI、WEIXIUFEIHEGUANLIFEIDEZONGCHENGBENZUIDI。


5、离心泵具有转速高、体积小、重量轻、效率高、流量大、结构简单、输液无脉动、性能平稳、容易操作和维修方便等特点。

 

YINCICHUYIXIAQINGKUANGWAI,YINGJINKENENGXUANYONGLIXINBENG:


a、有计量要求时,选用计量泵

b、YANGCHENGYAOQIUHENGAO,LIULIANGHENXIAOQIEWUHESHIXIAOLIULIANGGAOYANGCHENGLIXINBENGKEXUANYONGSHI,KEXUANYONGWANGFUBENG,RUQISHIYAOQIUBUGAOSHIYEKEXUANYONGXUANWOBENG.


c、扬程很低,流量很大时,可选用轴流泵和混流泵。

d、JIEZHIZHANDUJIAODA(DAYU650~1000mm2/s)SHI,KEKAOLVXUANYONGZHUANZIBENGHUOWANGFUBENG(CHILUNBENG、.LUOGANBENG)

e、JIEZHIHANQILIANG75%,LIULIANGJIAOXIAOQIEZHANDUXIAOYU37.4mm2/sSHI,KEXUANYONGXUANWOBENG。

f、DUIQIDONGPINFANHUOGUANBENGBUBIANDECHANGHE,YINGXUANYONGJUYOUZIXIXINGNENGDEBENG,RUZIXISHILIXINBENG、ZIXISHIXUANWOBENG、QIDONG(DIANDONG)GEMOBENG。


二、知道泵选型的基本依据


泵选型依据,应根据工艺流程,给排水要求,从五个方面加以考虑,既液体输送量、装置扬程、液体性质、管路布置以及操作运转条件等


1、流量是选泵的重要性能数据之一,它直接关系到整个装置的的生产能力和输送能力。 如设计院工艺设计中能算出泵正常、最小、最大三种流量。选择泵时,以最大流量为依据,兼顾正常流量,在没有最大流量时,通常可取正常流量的1.1倍作为最大流量。


2、装置系统所需的扬程是选泵的又一重要性能数据,一般要用放大5%—10%余量后扬程来选型。

3、YETIXINGZHI,BAOKUOYETIJIEZHIMINGCHENG,WULIXINGZHI,HUAXUEXINGZHIHEQITAXINGZHI,WULIXINGZHIYOUWENDUcMIDUd,ZHANDUu,JIEZHIZHONGGUTIKELIZHIJINGHEQITIDEHANLIANGDENG,ZHEISHEJIDAOXITONGDEYANGCHENG,YOUXIAOQISHIYULIANGJISUANHEHESHIBENGDELEIXING:HUAXUEXINGZHI,ZHUYAOZHIYETIJIEZHIDEHUAXUEFUSHIXINGHEDUXING,SHIXUANYONGBENGCAILIAOHEXUANYONGNEIYIZHONGZHOUFENGXINGSHIDEZHONGYAOYIJU。


4、 装置系统的管路布置条件指的是送液高度送液距离送液走向,吸如侧最低液面,排出侧最高液面等一些数据和管道规格及其长度、材料、管件规格、数量等,以便进行系梳扬程计算和汽蚀余量的校核。


5、 操作条件的内容很多,如液体的操作T饱和蒸汽力P、吸入侧压力PS(绝对)、排出侧容器压力PZ、海拔高度、环境温度操作是间隙的还是连续的、泵的位置是固定的还是可移的。

SAN、XUANBENGDEJUTICAOZUO

GENJUBENGXUANXINGYUANZEHEXUANXINGJIBENTIAOJIAN,JUTICAOZUORUXIA:


1、根据装置的布置、地形条件、水位条件、运转条件,确定选择卧式、立式和其它型式(管道式、潜水式、液下式、无堵塞式、自吸式、齿轮式等)的泵。

2、GENJUYETIJIEZHIXINGZHI,QUEDINGQINGSHUIBENG,RESHUIBENGHAISHIYOUBENG、HUAGONGBENGHUONAIFUSHIBENGHUOZAZHIBENG,HUOZHECAIYONGWUDUSAIBENG。

ANZHUANGZAIBAOZHAQUYUDEBENG,YINGGENJUBAOZHAQUYUDENGJI,CAIYONGXIANGYINGDEFANGBAODIANDONGJI。

3、GENJULIULIANGDAXIAO,QUEDINGXUANDANXIBENGHAISHISHUANGXIBENG;GENJUYANGCHENGGAODI,XUANDANJIBENGHAISHIDUOJIBENG,GAOZHUANSUBENGHAISHIDIZHUANSUBENG(KONGDIAOBENG)、DUOJIBENGXIAOLVBIDANJIBENGDI,RUXUANDANJIBENGHEDUOJIBENGTONGYANGDOUNENGYONGSHI,SHOUXIANXUANYONGDANJIBENG。

4、QUEDINGBENGDEJUTIXINGHAO

QUEDINGXUANYONGSHENMEXILIEDEBENGHOU,JIUKEANZUIDALIULIANG,(ZAIMEIYOUZUIDALIULIANGSHI,TONGCHANGKEQUZHENGCHANGLIULIANGDE1.1BEIZUOWEIZUIDALIULIANG),QUFANGDA5%—10%YULIANGHOUDEYANGCHENGZHEILIANGGEXINGNENGDEZHUYAOCANSHU,ZAIXINGPUTUHUOZHEXILIETEXINGQUXIANSHANGQUEDINGJUTIXINGHAO。CAOZUORUXIA:

LIYONGBENGTEXINGQUXIAN,ZAIHENGZUOBIAOSHANGZHAODAOSUOXULIULIANGZHI,ZAIZONGZUOBIAOSHANGZHAODAOSUOXUYANGCHENGZHI,CONGLIANGZHIFENBIEXIANGSHANGHEXIANGYOUYINCHUIXIANHUOSHUIPINGXIAN,LIANGXIANJIAODIANZHENGHAOLUOZAITEXINGQUXIANSHANG,ZEGAIBENGJIUSHIYAOXUANDEBENG,DANSHIZHEIZHONGLIXIANGQINGKUANGYIBANHENSHAO,TONGCHANGHUIPENGSHANGXIALIELIANGZHONGQINGKUANG:

DIYIZHONG:JIAODIANZAITEXINGQUXIANSHANGFANG,ZHEISHUOMINGLIULIANGMANZUYAOQIU,DANYANGCHENGBUGOU,CISHI,RUOYANGCHENGXIANGCHABUDUO,HUOXIANGCHA5%ZUOYOU,RENGKEXUANYONG,RUOYANGCHENGXIANGCHAHENDUO,ZEXUANYANGCHENGJIAODADEBENG。HUOSHEFAJIANXIAOGUANLUZULISUNSHI。

DIERZHONG:JIAODIANZAITEXINGQUXIANXIAFANG,ZAIBENGTEXINGQUXIANSHANZHUANGTIXINGFANWEINEI ,JIUCHUBUDINGXIACIXINGHAO,RANHOUGENJUYANGCHENGXIANGCHADUOSHAO,LAIJUEDINGSHIFOUQIEGEYELUNZHIJING,

RUOYANGCHENGXIANGCHAHENXIAO,JIUBUQIEGE,RUOYANGCHENGXIANGCHAHENDA,JIUANSUOXUQ、H、,GENJUQInsHEQIEGEGONGSHI,QIEGEYELUNZHIJING,RUOJIAODIANBULUOZAISHANZHUANGTIXINGFANWEINEI,YINGXUANYANGCHENGJIAOXIAODEBENG。XUANBENGSHI,YOUSHIXUKAOLVSHENGCHANGONGYIYAOQIU,XUANYONGBUTONGXINGZHUANGQ-HTEXINGQUXIAN。

5、BENGXINGHAOQUEDINGHOU,DUISHUIBENGHUOSHUSONGJIEZHIDEWULIHUAXUEJIEZHIJINSISHUIDEBENG,XUZAIDAOYOUGUANCHANPINMULUHUOYANGBENSHANG,GENJUGAIXINGHAOXINGNENGBIAOHUOXINGNENGQUXIANJINXINGXIAOGAI,KANZHENGCHANGGONGZUODIANSHIFOULUOZAIGAIBENGYOUXIANGONGZUOQU?YOUXIAONPSHSHIFOUDAYU(NPSH)。YEKEFANGUOLAIYINPSHXIAOGAIJIHEANZHUANGGAODU?

6、DUIYUSHUSONGZHANDUDAYU20mm2/sDEYETIBENG(HUOMIDUDAYU1000kg/m3),YIDINGYAOBAYISHUISHIYANBENGTEXINGQUXIANHUANSUANCHENGGAIZHANDU(HUOZHEGAIMIDUXIA)DEXINGNENGQUXIAN,TEBIEYAODUIXIRUXINGNENGHESHURUGONGLVJINXINGRENZHENJISUANHUOJIAOHE。

7、QUEDINGBENGDETAISHUHEBEIYONGLV:

DUIZHENGCHANGYUNZHUANDEBENG,YIBANZHIYONGYITAI,YINWEIYITAIDABENGYUBINGLIANGONGZUODELIANGTAIXIAOBENGXIANGDANG,(ZHIYANGCHENG、LIULIANGXIANGTONG),DABENGXIAOLVGAOYUXIAOBENG,GUCONGJIENENGJIAODUJIANGNINGKEXUANYITAIDABENG,ERBUYONGLIANGTAIXIAOBENG,DANYUYOUXIALIEQINGKUANGSHI,KEKAOLVLIANGTAIBENGBINGLIANHEZUO:

LIULIANGHENDA,YITAIBENGDABUDAOCILIULIANG。

DUIYUXUYAOYOU50%DEBEIYONGLVDAXINGBENG,KEGAILIANGTAIJIAOXIAODEBENGGONGZUO,LIANGTAIBEIYONG(GONGSANTAI)

DUIMOUXIEDAXINGBENG,KEXUANYONG70%LIULIANGYAOQIUDEBENGBINGLIANCAOZUO,BUYONGBEIYONGBENG,ZAIYITAIBENGJIANXIUSHI,LINGYITAIBENGRENGRANCHENGDAN SHENGCHANSHANG70%DESHUSONG。

DUIXU24XIAOSHILIANXUBUTINGYUNZHUANDEBENG,YINGBEIYONGSANTAIBENG,YITAIYUNZHUAN,YITAIBEIYONG,YITAIWEIXIU。

8、YIBANQINGKUANGXIA,KEHUKETIJIAOQI“XUANBENGDEJIBENTIAOJIAN”,YOUWOSIJIYUXUANXINGHUOZHETUIJIANGENGHAODEBENGCHANPIN。RUGUOSHEJIYUANZAISHEJIZHUANGZHISHEBEISHI,DUIBENGDEXINGHAOYIJINGQUEDING,ANSHEJIYUANYAOQIUPEIZHI。

9、 QUEDINGBENGDETAISHUHEBEIYONGLV:

DUIZHENGCHANGYUNZHUANDEBENG,YIBANZHIYONGYITAI,YINWEIYITAIDABENGYUBINGLIANGONGZUODELIANGTAIXIAOBENGXIANGDANG,(ZHIYANGCHENG、LIULIANGXIANGTONG),DABENGXIAOLVGAOYUXIAOBENG,GUCONGJIENENGJIAODUJIANGNINGKEXUANYITAIDABENG,ERBUYONGLIANGTAIXIAOBENG,DANYUYOUXIALIEQINGKUANGSHI,KEKAOLVLIANGTAIBENGBINGLIANHEZUO:


流量很大,一台泵达不到此流量。

DUIYUXUYAOYOU50%DEBEIYONGLVDAXINGBENG,KEGAILIANGTAIJIAOXIAODEBENGGONGZUO,LIANGTAIBEIYONG(GONGSANTAI)

DUIMOUXIEDAXINGBENG,KEXUANYONG70%LIULIANGYAOQIUDEBENGBINGLIANCAOZUO,BUYONGBEIYONGBENG,ZAIYITAIBENGJIANXIUSHI,LINGYITAIBENGRENGRANCHENGDANSHENGCHANSHANG70%DESHUSONG。

DUIXU24XIAOSHILIANXUBUTINGYUNZHUANDEBENG,YINGBEIYONGSANTAIBENG,YUNZHUAN,YITAIBEIYONG,YITAIWEIXIU。

 

 
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