Binciken manyan abubuwan da ke haifar da cavitation don famfo slurry na centrifugal

Idan akwai cavitation don famfo na centrifugal, yana iya haifar da girgizawa da hayaniya yayin aikinsa na yau da kullun, wani lokaci muna iya dakatar da aiki.Don haka muna buƙatar gano wane irin dalilai zasu haifar da cavitation na famfo centrifugal, to zamu iya guje wa waɗannan tambayoyin da ke faruwa da wayo.
Cavitation na centrifugal pumps, ko cavitation , wani tsari ne na kwarara ruwa kumfa sa'an nan fashe.Lokacin da cikakken gudun kwarara ruwa karuwa, kamar yadda a tsaye matsa lamba na kwarara ruwa rage, ga wani barbashi a wani zafin jiki na ruwa , ko da yake babu wani zafi daga waje shigar, amma sun kai tururi matsa lamba, sabõda haka, barbashi vaporization. , kuma kumfa ta haifar.Tare da hanyar kwarara.

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Idan za a sake ƙara matsa lamba na ruwa, sama da matsa lamba, kumfa zai fashe da sauri.Wani babban sashi na tasirin tashewa.Idan kumfa ya fashe lokacin da ba a cikin kwararar ruwa ba, amma a cikin bangon sassan taron jagora, cavitation zai haifar da sassan rigar da aka lalata.

Lokacin da famfo na centrifugal yana aiki a yanayin cavitation, koda kuwa babu rigar sassa yashwa , za ka iya kuma gano cewa a wannan lokaci amo na centrifugal famfo yana da girma sosai, vibration intensifies, yadda ya dace ragewa, da kuma kai zai zama sosai low daidai da haka. .

Kayan aikin NPSHa , wanda kuma ake kira da tasiri NPSH.Ana samar da kayan aikin ta kayan aikin tsotsa, a cikin matsayi na tsotsa na famfo centrifugal, nauyin naúrar ruwa yana da kuzari fiye da matsa lamba da kai.Ƙasashen waje suna kiran wannan ingantaccen shugaban tsotsa mai inganci, Wannan mashigar famfo (matsayin kai ba komai bane) tare da cikakken kan ruwa ya rage matsa lamba da ƙimar ragi, wanda NPSHa ke wakilta.Darajarsa da sigogi masu alaƙa da kaddarorin ruwa.Domin na'urar shakar ta yi daidai da murabba'in magudanar ruwa da asarar ruwa.Don haka NPSH yana raguwa tare da karuwa a iya aiki.NPSH-Q mai raguwa ne.NPSH suna da dangantaka da yanayin kwararar famfo, shine ma'aunin ma'aunin famfo famfo matsa lamba wanda aka yanke ta famfo centrifugal da kanta.Wato, don guje wa cavitation na famfo, muna buƙatar cewa akwai ƙarin makamashi wanda zai iya wuce karfin tururi a cikin mashigar famfo.A ƙasashen waje kira wannan babban kan tsotsa mai da ake buƙata.Ma'anar jiki na famfo NPSH yana nuna matakin juzu'in matsi na famfo na ruwa.The abin da ake kira net tabbatacce tsotsa shugaban da ake bukata, Yana da ake bukata da inhalation na'urar dole ne a samar da irin wannan babban net tabbatacce tsotsa shugaban, domin rama da matsa lamba saukad, don tabbatar da cewa famfo cavitation ba faruwa.

NPSH na multistage centrifugal famfo ba su da dangantaka da kayan aiki sigogi.Sai kawai masu alaƙa da sigogin motsi a cikin mashigar famfo.Ma'aunin motsi a wani ƙayyadadden saurin gudu da sigogin kwarara ana ƙaddara ta hanyar lissafi.Wato NPSH an ƙaddara ta famfo da kanta.Don famfo da aka ba, ba tare da la'akari da ruwa ba, A wani ƙayyadadden gudu da gudana ta cikin mashigar famfo, sabili da haka, saboda gudun guda ɗaya don haka suna da matsi iri ɗaya, NPSHr iri ɗaya.Don haka NPSHr ba su da alaƙa da kaddarorin ruwa.NPSH ƙarami, ƙarami da matsa lamba,

Ti yana buƙatar kayan aiki dole ne su samar da ƙaramin NPSHa, sannan mafi kyawun juriya don cavitation famfo.


Lokacin aikawa: Juni-11-2021