Yintoni uvavanyo lweBubble Point kwiiFilters zeMetal ezinePorous? Isikhokelo esipheleleyo

Isihluzo sesinyithi esisinki singachazwa njenge-"5 μm," kodwa elo nani lodwa alixeleli injineli ubungakanani bendlela yaso enkulu evulekileyo. Kwizinyithi ezinemingxuma ezinenethiwekhi yemingxuma emithathu edibeneyo, lo mahluko ubalulekile: imingxuma enkulu ngokungaqhelekanga inokuchaphazela ukuthembeka kwesihluzo, ukuhambelana, kunye nokukhuselwa okusezantsi nokuba umlinganiselo wemingxuma oqhelekileyo ubonakala uchanekileyo.

Esi sesinye sezizathuuvavanyo lwe-bubble pointisetyenziswa kakhulu ekulawuleni umgangatho wezinto zesinyithi ezinemingxuma.

Kwizinyithi ezisinkiweyo, enye yezona mbekiselo zibalulekileyo yileI-ISO 4003:1977,Izixhobo zesinyithi ezityibilikayo — Ukumisela ubungakanani bembobo yovavanyo lwebhamuza[1]. Lo mgangatho usebenza kwiifilitha, iibheringi ezinemingxuma, ii-electrode ezinemingxuma, kunye nezinye izinto ezisinkiweyo ezinemingxuma edibeneyo. Okubalulekileyo kukuba, i-ISO ichaza uvavanyo lwebhamuza ikakhulu njengeuvavanyo lolawulo lomgangatho, endaweni yokuba yindlela yokuchaza ubungakanani obuchanekileyo be-pore, ukusasazwa okupheleleyo kobukhulu be-pore, okanye umgangatho wesihluzo. I-ISO 4003 yaphononongwa okokugqibela yaza yaqinisekiswa ngo-2022 kwaye isasebenza ngoku. [1]

Loo mahluko ubalulekile ekuqondeni uvavanyo lwe-bubble point ngokuchanekileyo.

Ngokwendlela esebenzayo, uvavanyo lwe-bubble point luphendula umbuzo oluncedo wobunjineli:

Ngowuphi uxinzelelo olunokuthi igesi iqale isuse ulwelo olumanzi kwi-through-pore enkulu esebenzayo kule sakhiwo sineembobo?

Impendulo inokunceda abavelisi kunye nabasebenzisi ukuba bavavanye ukuhambelana kweembobo, bafumane iindlela ezinkulu zokuhamba kwamanzi ezingaqhelekanga, bathelekise iibhetshi zemveliso, kwaye baqinisekise ukuba ingaba icandelo lesinyithi elinembobo liyahlangabezana na nemigangatho evunyelweneyo.

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Yintoni Uvavanyo lweBubble Point?

Uvavanyo lwe-bubble point yindlela yokugeleza kwamanzi esetyenziselwa ukuchonga i-pore evulekileyo enkulu nesebenzayo kwi-pore material.

Umgaqo osisiseko ulula kakhulu.

Isihluzi esineembobo kuqala sigcwaliswe ngokupheleleyo lulwelo olumanzisayo. Ngenxa yoxinzelelo lomphezulu kunye namandla ee-capillary, ulwelo luhlala ngaphakathi kwimingxuma edibeneyo.

Uxinzelelo lwegesi—ngokudla ngokuba ngumoya ococekileyo ocinezelweyo okanye initrogen—lufakwa kwelinye icala lesihluzo esimanzi.

Njengoko uxinzelelo lukhula kancinci kancinci, ekugqibeleni luyanela ukoyisa amandla e-capillary abambe ulwelo ngaphakathi kwe-through-pore enkulu esebenzayo. Igesi idlula kuloo mbobo ize ivelise amaqamza kwelinye icala.

Uxinzelelo oluhambelana nokuqala kwemeko yokubhabha echaziweyo lubizwa ngokuba yi:

Uxinzelelo lwePoyinti yeBubble

I-ASTM F316, nangona ibhalwe kwiifilitha ze-membrane kunokuba ibhalwe kwiifilitha zesinyithi ezisinkiweyo, ichaza umgaqo ofanayo osisiseko we-capillary: uxinzelelo oluncinci olufunekayo ukunyanzela ulwelo olumanzi kwi-pore luxhomekeke kububanzi be-pore, uxinzelelo lomphezulu wolwelo, kunye neemeko zokumanzisa. [2]

Indlela elula yokucinga ngayo

Khawucinge ngeetyhubhu ezincinci kakhulu ze-capillary ezizaliswe lulwelo.

Kuthatha uxinzelelo olungaphezulu ukutyhala ulwelo kwityhubhu emxinwa kunaleyo ibanzi.

Lo mgaqo ufanayo usebenza nakwizinto ezidityanisiweyo ezinemingxuma:

Imbobo enkulu esebenzayo → uxinzelelo olufunekayo oluphantsi

Imbobo encinci esebenzayo → uxinzelelo olufunekayo oluphezulu

Yiyo loo nto uxinzelelo lwe-bubble point lubonelela ngolwazi malunga ne-through-pore enkulu esebenzayo kwi-filter ene-porous.

Kodwa kukho umda obalulekileyo:

Loo mahluko uba ngowona ubalulekileyo xa kuvavanywa iintsimbi ezinemingxuma.

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Uvavanyo lweBubble Point lusebenza njani?

Uvavanyo oluqhelekileyo lwe-bubble point lubandakanya amanqanaba amane asisiseko.

Inyathelo 1: Ncamathisela ngokupheleleyo isihluzi esinemibhobho

Inxalenye yesinyithi enemingxuma igcwele ulwelo olufanelekileyo lokumanzisa.

Olu lwelo kufuneka lungene kwiimbobo ezivulekileyo nezidibeneyo kunokuba lumanzise nje umphezulu wangaphandle.

Ngokuxhomekeke kwinkqubo yovavanyo kunye nezinto ezisetyenzisiweyo, ulwelo olufanelekileyo lunokubandakanya ulwelo olusekwe kutywala okanye olunye ulwelo oluchaziweyo.

Ulwelo olumanzisayo lubalulekile kubauxinzelelo lomphezuluichaphazela ngokuthe ngqo ulwalamano phakathi koxinzelelo kunye nobubanzi be-pore obubaliweyo.

Ithetha ukuba:

Uxinzelelo lwe-bubble point olungenalo ulwazi malunga nolwelo lovavanyo kunye nendlela olusetyenziswa ngayo luyidatha engaphelelanga.

Iilabhoratri ezimbini zinokuvavanya izihluzi ezifanayo kusetyenziswa ulwelo oluneengcinezelo ezahlukeneyo zomphezulu kwaye zifumane uxinzelelo lwee-bubble point ezahlukeneyo ngaphandle kokuba naliphi na ilebhu liphosakele ngokwenene.

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Inyathelo lesi-2: Kancinci kancinci sebenzisa uxinzelelo lwegesi

Uxinzelelo lwegesi lufakwa kwelinye icala lesihluzo esimanzi esinamanzi.

Uxinzelelo kufuneka lunyuswe ngendlela elawulwayo.

Ekuqaleni, amandla e-capillary olwelo olumanzisayo athintela igesi ukuba ingahambi kwinethiwekhi yemingxuma egcwele ulwelo.

Njengoko uxinzelelo olwahlukileyo lusanda, igesi iqala ukususa ulwelo kwindlela elula yokuhamba kwamanzi.

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Inyathelo lesi-3: Chonga iNqaku leBubble

Xa uxinzelelo oluthile luphezulu, igesi iyaqhekeka kwi-pore esebenzayo kwaye amaqamza abonakala kwicala elisezantsi.

Ngokuxhomekeke kwinkqubo yovavanyo echaziweyo, umqhubi okanye isixhobo simisela imeko yenqaku lebhamuza elichaziweyo.

I-ASTM F316 ichaza uxinzelelo lwe-bubble point ngokwexinzelelo apho kuvela khona umsinga ozinzileyo wamaqamza ngexesha lendlela yokuvavanya i-membrane. [2]

Kwi-QC yemizi-mveliso, kubalulekile ke ngoko ukuba ababoneleli kunye nabathengi bavumelane ngendlela yokuvavanya kunye nendawo yokuphela endaweni yokuthelekisa amanani oxinzelelo ngaphandle kokwazi ukuba afunyenwe njani.

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Inyathelo lesi-4: Bhala phantsi uxinzelelo kwaye uvavanye iziphumo

Isiphumo sinokubikwa njengoxinzelelo, umzekelo:

•I-KPa bar psi

Ingaguqulwa ibe yi-ubungakanani bembobo yovavanyo lweqamzakusetyenziswa ulwalamano oluchaziweyo phakathi koxinzelelo, iipropati zokumanzisa-ulwelo, kunye nejometri yeembobo.

Kwi-QC yemveliso, abavelisi banokuthelekisa esi siphumo noluhlu lokwamkelwa oluvunyiweyo okanye idatha yenkqubo yembali.

 

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Uxinzelelo lweBubble Point luhambelana njani nobukhulu bePore?

Umgaqo osebenzayo emva kovavanyo lwe-bubble point uvela kuxinzelelo lwe-capillary.

Ulwalamano olulula olusetyenziswa rhoqo lulandelayo:

D = 4γ cosθ / ΔP apho:

•D= ububanzi bembobo obusebenzayo

•Γ= uxinzelelo lomphezulu wolwelo olumanzisayo

•Θ= i-engile yoqhagamshelwano phakathi kolwelo kunye nomphezulu we-pore

•ΔP= uxinzelelo olwahlukileyo kwindawo yeqamza

Ubudlelwane busixelela into eluncedo kakhulu:

Ke ngoko:

Oku kuluncedo ekuthelekiseni izihluzi ezifanayo ezenziweyo nezivavanyiweyo phantsi kweemeko ezilawulwayo.

Nangona kunjalo, esi sibalo asifanele sisilinge ukuba sicinge ngesihluzo sesinyithi esitshisiweyo njengesixa seetyhubhu ze-capillary ezisilinda ngokupheleleyo.

Akunjalo.

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Ingqiqo yoBunjineli: Imbobo yesinyithi eSintered ayiloMngxunya ogqibeleleyo

Kulapho ukutolika idatha ye-bubble point kuba nomdla ngakumbi.

Ipleyiti eyombiwe nge-laser isenokuba nemingxunya echazwe ngokwejiyometri. Isihluzi sepowder esisinki asinayo.

Ngexesha lokusila, amasuntswana esinyithi ayadibana ngelixa eshiya inethiwekhi edibeneyo yee-voids. Ezi ndlela zinokutshintsha icandelo elinqamlezileyo, ziqhekeze, ziphinde zixhumane kwaye zilandele iindlela ezijijekileyo kwizinto.

Ulwakhiwo oluvelayo lunemilinganiselo emithathu.

Ngoko ke xa ukubalwa kwamanqaku ebhamuza kuvelisa "ububanzi obusebenzayo bembobo," akufuneki kuthathwe ngokuzenzekelayo ngokungathi umntu ugqobhoze umngxuma ongqukuva ngokugqibeleleyo onobubanzi obufanayo kwi-filter.

I-ASTM F316 yenza isilumkiso esifanayo malunga novavanyo lwe-membrane: ubungakanani bayo obusebenzayo obubaliweyo busekelwe kwimodeli ye-capillary-pore efanelekileyo kwaye ayimeli ngokuthe ngqo ukugcinwa kwamasuntswana okwenyani. [2]

Kwizinyithi ezisinkiweyo, sikholelwa ukuba olu mahluko lubaluleke ngakumbi ukuze lunxibelelane ngokucacileyo.

I-bubble point yindlela yokubonakalisa inethiwekhi ye-pore—hayi irula encinci elinganisa yonke i-void ngaphakathi kwesinyithi.

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Yintoni kanye kanye elinganiswa yiBubble Point Test?

Amagama amaninzi axutywa rhoqo kwiinkcukacha zesinyithi esineembobo:

•Ubungakanani bembobo eqhelekileyo ubungakanani bembobo ephakathi ubungakanani bembobo yovavanyo lwebhamuza ubungakanani bembobo umlinganiselo wokucoca ukugcinwa kwamasuntswana usasazo lobungakanani bembobo

Azikwazi ukutshintshaniswa.

1. Eyona Pore Isebenzayo Kakhulu

Olu lolona phawu luhambelana kakhulu nenqaku lokuqala leqamza.

Indlela enkulu evulekileyo yokuhamba kwamanzi idla ngokufuna uxinzelelo oluphantsi ukuze kususwe ulwelo olumanzisayo.

Oku kwenza uvavanyo lwe-bubble point lube luncedo kakhulu ekuchongeni iindlela ezinkulu ezivulekileyo ngokungalindelekanga.

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2. Ubungakanani bePore eqhelekileyo

Uvavanyo lwe-micron oluqhelekileyo lomenzi luluhlu lwemveliso okanye uluhlu.

Akufanele kuthathwe ngokuzenzekelayo ukuba ilingana nobukhulu bembobo efunyenwe kuvavanyo lwebhamuza.

Isihluzi esithengiswa njengodidi oluqhelekileyo lwe-"5 μm" asivelisi ubungakanani obubaliweyo be-bubble test pore obuyi-5.00 μm kanye.

La manani mabini achaza izinto ezahlukeneyo.

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3. Ubungakanani be-Pore ephakathi

Umlinganiselo wephuzu elinye leqamza akufuneki utolikwe njengobubanzi obuphakathi bazo zonke iimbobo ngaphakathi kwesakhiwo sesinyithi esitshisiweyo.

I-ISO 4003 ilumkisa ngokucacileyo ngokusebenzisa uvavanyo lwamaqamza njengendlela yokumisela ubungakanani obuchanekileyo bembobo kunye nokusasazwa kobukhulu bembobo. [1]

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4. Ukusasazwa kobungakanani bemingxuma

Ukuba isicelo sifuna iinkcukacha ezithe vetshe malunga nokusasazwa kwee-through-pores, iindlela ezifanai-porometry yokuhamba kwee-capillaryisenokuba luncedo ngakumbi.

Ezi ndlela zihlola indlela esebenza ngayo igesi emanzi neyomileyo kuluhlu loxinzelelo endaweni yokuxhomekeka kuphela kwimeko yokuqala yokuphumelela.

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5. Ukugcinwa kwamasuntswana

Lo ngomnye umthombo oqhelekileyo wokudideka.

Ubungakanani bembobo yovavanyo lwebhamuza ebaliweyo buyenza loo ntoayilingani ngokuzenzekelayo nobukhulu besuntswana elincinci eliza kugcinwa sisihluzi.

Indlela yokwenyani yokuhluza ingaxhomekeka koku:

•Ijiyometri yembobo ubunzulu bembobo i-tortuosity imo ye-particle distribution-size particle formation formation iipropati zolwelo flow velocity differential pressure surface interactions

I-ASTM F316 ngokufanayo ithi iziphumo ze-bubble point akufuneki zisetyenziswe njengeyona nto iphambili yokuchaza ukugcinwa kwezinto ezingcolisayo. [2]

Ingqiqo yoBunjineli

Ukuba umthengisi uthi:

“Indawo yethu yebhamuza ithi yi-5 μm, ngoko ke esi sihluzo sinokugcinwa kwamasuntswana angama-5 μm ngokupheleleyo.” Besiya kufuna ukubona ubungqina obungakumbi ngaphambi kokuba samkele eso sigqibo.

Kwisicelo sokucoca esibalulekileyo, inqaku lebhamuza kufuneka libe yinxalenye yephazili yokuqinisekisa—hayi iphazili iyonke.

 

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I-Bubble Point vs. Ubungakanani beNominal Pore vs. Uvavanyo lweFiltration

Lo mahluko ubaluleke ngokwaneleyo ukushwankathela:

Kwizicelo ezifuna umgudu omkhulu, iinjineli maziphephe ukukhetha isihluziinombolo enye ye-micron yodwa.

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Kutheni uvavanyo lweBubble Point lubalulekile kwiifilitha zeSintered Metal?

Ixabiso lokwenyani lovavanyo lwe-bubble point licaca ngakumbi xa silijonga njengesixhobo sokwenza imveliso kunye ne-QC.

1. Ukufumanisa iiNgxangxasi ezinkulu ngokungaqhelekanga

Cinga ngeediski ezimbini zesihluzo ezisinkiweyo ezenziwe ngezinto ezifanayo kunye nomgangatho oqhelekileyo.

Uninzi lwezakhiwo zabo zemingxuma zinokufana.

Kodwa ukuba enye inendlela enkulu yokuhamba kwamanzi kwindawo ethile, ukugqabhuka kwayo kokuqala kwegesi kunokwenzeka xa uxinzelelo luphantsi.

Oko kungenza uvavanyo lwe-bubble point lube luncedo ekuchongeni izinto ezingaqhelekanga kwi-pore-structure ezinokuba nzima ukuzibona ngamehlo.

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2. Ukujonga ukungqinelana kweMveliso

Ukusebenza kwesinyithi esineembobo ezisikiweyo kuxhomekeke kwiinguqu ezininzi zokwenziwa, kuquka:

•Iimpawu zomgubo wesinyithi ukusasazwa kobungakanani bamasuntswana iimeko zokwakha ubuninzi obuluhlaza ubushushu ukutshisa umoya ukutshisa ixesha lokulungisa ukuwelda ukucoca ukuwelda

Inkqubo yemveliso elawulwayo kufuneka ivelise iimpawu ezihambelanayo nezingenamibhobho ukusuka kwiqashiso ukuya kwiqashiso.

Ukulandelela iziphumo zeebhamuza kunokunceda abavelisi ukuba babone ukujika kwenkqubo.

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3. Ukuqinisekiswa koBulungisa

Uvavanyo lwe-bubble point lunokunceda ekutyhileni iindlela ezingaqhelekanga zokuhamba kwamanzi avulekileyo.

Kwizicelo ze-membrane, i-ASTM iphawula ngokukodwa ukuba uvavanyo lwe-bubble point lunokubonisa umonakalo we-membrane, izitywino ezingasebenzi kakuhle okanye ukuvuza kwenkqubo. [2]

Iindlela zokusilela ezichanekileyo zahlukile kwizinto eziqinileyo zesinyithi esithambileyo, kodwa ingcamango ye-QC esisiseko isasebenza:Ukufunyanwa kwegesi kwangoko ngokungalindelekanga kufanele kuphandwe.

Ngokuxhomekeke kwinxalenye, izizathu ezinokubakho zingabandakanya:

•Isiphene sembobo yendawo

•Umonakalo ngexesha lokucubungula okwesibini

•Ingxaki kwindibano

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4. Ukuthelekisa iiBatches zeMveliso

Kwii-odolo ze-B2B eziphindaphindwayo, ukuhambelana kunokubaluleka njengeenkcukacha ezimiselweyo.

Umthengi othenga amakhulu okanye amawaka ezinto ezinemingxuma udla ngokufuna oku kulandelayo:

Isigaba 12 sokuziphatha njengesigaba 11.

Idatha ye-bubble point, idibene nokuvuleka kunye nokuhlolwa kobukhulu, inokubonelela ngomfanekiso onentsingiselo ngakumbi kunokubhala nje "10 μm" kumzobo ngamnye.

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Uvavanyo lweBubble Point vs. Ezinye iimvavanyo zeMetal ezinePorous

Akukho vavanyo lunye oluchaza ngokupheleleyo isihluzo sesinyithi esineembobo.

Kwiinkqubo zoshishino, iindlela ezahlukeneyo zinokuhambelana.

Kwizinto zesinyithi ezityibilikayo ezikwaziyo ukungena,I-ISO 4022:2018ngokwahlukeneyo igubungela ukuqinisekiswa kokuvuleka kolwelo. [3]

Olu hluko ngokwalo luyafundisa:

Ukuchazwa kwe-Pore kunye nokuvuleka kwayo kunxulumene, kodwa azifani.

Inkcazelo yesihluzo esenziwe kakuhle idla ngokufuna zombini ezi zinto.

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Ingqiqo yoBunjineli: Musa Ukuphucula iBubble Point xa Uzimele

Enye ingcamango ephosakeleyo esiyibonayo ngamanye amaxesha ekukhetheni isihluzi yile:

"Indawo ephezulu yebhamuza ingcono."

Oko akuyonyani ngokwenene.

Iphuzu eliphezulu leqamza ngokubanzi libonisa imbobo encinci nesebenzayo phantsi kweemeko zovavanyo ezifanayo.

Kodwa iimbobo ezincinci zinokwandisa ukumelana nokuhamba kwamanzi.

Kwinkqubo yokwenyani, iinjineli zinokufuna ukulinganisela:

Ukugcinwa ↔ Ukwehla koxinzelelo ↔ Izinga lokuhamba ↔ Umthamo wokubamba ukungcola ↔ Amandla oomatshini

Umzekelo, ukwenza isihluzi segesi sibe sincinci kakhulu kunokuba kuyimfuneko kunokuvelisa inani elimangalisayo lobukhulu beembobo ngelixa kudala ukwehla koxinzelelo olugqithisileyo.

Ngoko ke isihluzo "esilungileyo" asisosihluzo esinenqaku eliphezulu lebhamuza.

Sisihluzo esinesakhiwo seembobo kunye neempawu zokuhamba kwamanzi ezihambelana neemfuno zenkqubo.

Oku kuhambelana nombono obonakala ngokuphindaphindiweyo kwiingxoxo zobunjineli besinyithi esineembobo: imbobo ayisiyongxaki yokuvelisa kuphela ekufuneka isuswe; kwisihluzi esineembobo, inethiwekhi yembobo elawulwayo ngokwayo luphawu olusebenzayo lwecandelo. Ngenxa yoko, iinjineli zoshishino zidla ngokuxoxa nge-bubble point kunye ne-permeability endaweni yokuba zibonise i-metric eyahlukileyo. [4]

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Ziziphi Izinto Ezinokuchaphazela Iziphumo zoVavanyo lweBubble Point?

Uvavanyo lwe-bubble point lubonakala lulula, kodwa izinto ezahlukeneyo zinokuchaphazela kakhulu isiphumo.

Ulwelo olumanzisa

Uxinzelelo lomphezulu lungena ngqo kubudlelwane phakathi kwe-capillary kunye noxinzelelo.

Ukutshintsha ulwelo lovavanyo ngoko ke kunokutshintsha uxinzelelo olulinganisiweyo.

Yiyo loo nto ingxelo yobuchwephesha kufuneka ichonge ulwelo olumanzisayo.

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Ukumanzisa Okupheleleyo

Ukuba isakhiwo esineembobo asimanziswanga kakuhle, igesi evalelekileyo inokudala iziphumo ezilahlekisayo.

Oku kubaluleke kakhulu xa kuziwa kwezi zinto zilandelayo:

•Iimbobo ezincinci kakhulu iijometri ezintsonkothileyo iindawo ezingcolisiweyo iityhubhu ezinde ezinemingxuma izakhiwo ezingaboniyo okanye ezivalekileyo kancinci

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I-Angle yoQhagamshelwano

Ukusebenzisana phakathi kolwelo olumanzisayo nomphezulu wesinyithi nako kubalulekile.

Imeko yomphezulu, ungcoliseko kunye nekhemikhali zinokuchaphazela indlela yokumanzisa.

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Ubushushu

Uxinzelelo lomphezulu luyatshintsha ngokweqondo lobushushu.

Ukuze kuthelekiswe ngokuchanekileyo, iimeko zovavanyo kufuneka zilawulwe okanye ubuncinane zibhalwe phantsi.

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Inkcazo yeRiphu yoXinzelelo kunye neNqanaba lokuGqibela

Uxinzelelo olukhula ngokukhawuleza lunokwenza kube nzima ukuyibona into yokuqala rhoqo.

Inkqubo elawulwayo iphucula ukuphindaphindwa.

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Ungcoliseko lomphezulu

Ioyile, iintsalela zomatshini, iikhemikhali zokucoca kunye nezinye izinto ezingcolisayo zinokutshintsha indlela yokumanzisa.

Ngoko ke isihluzo kufuneka sicocwe ngokufanelekileyo ngaphambi kokuba sivavanywe ngokwenkqubo echaziweyo.

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Ijiyometri yePore

Iimbobo zokwenyani ezisikiweyo aziqhelekanga kwaye ziyagungqa.

Esi sesinye sezizathu zokuba ububanzi be-pore obubaliweyo bufanele buthathwe njengeuphawu olusebenzayo, asiyonkcazo epheleleyo yejiyometri.

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Kutheni iiLabhoratri ezimbini zinokufumana iziphumo ezahlukeneyo zeBubble Point?

Masithi iLaboratory A inika ingxelo:

I-Bubble Point: 0.8 bar ngelixa iLaboratory B ibika:

Inqaku leBubble: Ibha eyi-1.0

Ngaba oko kuthetha ukuba ilabhoratri enye ayilunganga ngokuzenzekelayo?

Hayi.

Ngaphambi kokuba uthelekise amanani, jonga:

1.Ngaba basebenzise ulwelo olufanayo lokumanzisa?

2.Ingaba ulwelo lwalukubushushu obufanayo?

3.Ingaba isihluzo sasimanziswe ngokupheleleyo?

4.Ngaba kwasetyenziswa isiphelo se-bubble-point esifanayo?

5.Ngaba irempu yoxinzelelo yayifana?

6.Ngaba kwasetyenziswa indlela efanayo yokubala?

7.Ingaba isihluzo sicocwe ngendlela efanayo?

8.Ingaba isixhobo sovavanyo sivalwe ngokufanelekileyo?

Ingqiqo yoBunjineli

Ukuze ufumane iziqinisekiso zomthengisi, sicebisa ukuba siphephe iinkcukacha ezichaza kuphela oku:

“Indawo yebhamuza ≥ X bar.”

Inkcazo ephinda-phindayo ichazaindlela yovavanyo kunye nolwelo lovavanyo kunye nekhrayitheriya yokwamkelwa.

Ngaphandle koko, ababoneleli kunye nabathengi basenokuthelekisa amanani aveliswe phantsi kweemeko ezahlukeneyo zomzimba.

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I-ISO 4003: Umgangatho woVavanyo lweBubble oluPhambili lweSintered Metal

Kwizixhobo zesinyithi ezineembobo,I-ISO 4003:1977ibaluleke kakhulu.

Isihloko sayo sithi:

Izixhobo zesinyithi ezityibilikayo — Ukumisela ubungakanani bembobo yovavanyo lwebhamuza

Isikopu sigubungela izihluzi, iibheringi ezinemibhobho, ii-electrode ezinemibhobho kunye nezinye izinto ezinemibhobho edibeneyo. Umgangatho usapapashwa kwaye ungoku emva kokuqinisekiswa kwawo ngo-2022. [1]

Mhlawumbi umyalezo obalulekileyo kwi-ISO 4003 asikokuba uvavanyo luqhutywa njani nje kuphela.

Yindlela leyohayi ukuyitolika.

I-ISO ibeka ngokucacileyo uvavanyo lwebhamuza njengeuvavanyo lolawulo lomgangatho, endaweni yokuba yindlela yokumisela ubungakanani obuchanekileyo bembobo, ukusasazwa okupheleleyo kobukhulu bembobo okanye umgangatho wesihluzi. [1]

Loo ngxelo ifanele ibe nefuthe kwindlela iinjineli ezibhala ngayo iinkcukacha zesihluzi.

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Kuthekani nge-ASTM F316?

I-ASTM F316 idla ngokufunyanwa xa kuphandwa ngovavanyo lwe-bubble point.

Isihloko sayo esipheleleyo sithi:

Iindlela zoVavanyo eziQhelekileyo zeempawu zobungakanani be-Pore zeeFilters ze-Membrane ngokwe-Bubble Point kunye ne-Mean Flow Pore Test.

I-ASTM ithi le ndlela ingasetyenziselwa ukumisela nokuthelekisa ubukhulu obukhulu beembobo kwaye ichaza ubudlelwane phakathi kwamandla e-capillary emanzi kunye nolwelo kunye noxinzelelo lwe-bubble point. [2]

Nangona kunjalo, kukho umahluko obalulekileyo:

I-ASTM F316 ngumgangatho we-membrane-filter. I-ISO 4003 igxile ngokuthe ngqo kwizinto zesinyithi ezityibilikayo ezikwaziyo ukungena.

Ke ngoko, xa kuxoxwa ngentsimbi engagqwaliyo e-sintered stainless steel, nickel, titanium okanye ezinye izinto zesinyithi ezinemingxuma, i-ISO 4003 ngokubanzi yeyona nkcazelo ifanelekileyo ngokuthe ngqo.

I-ASTM F316 isaluncedo ekuqondeni umgaqo osisiseko we-bubble-point kunye nemida yokuguqulela ukubalwa kweembobo okusebenzayo kube kukugcinwa kwee-particle zokwenyani.

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Indlela Uvavanyo lweBubble Point oluhambelana ngayo noMveliso weSintered Metal

Uvavanyo lwe-bubble point alufanele lujongwe njengomsebenzi welabhoratri ozimeleyo.

Ingena kwinkqubo ebanzi yokulawula imveliso.

Indlela elula yokuvelisa isinyithi esineembobo ingabonakala ngolu hlobo:

Ukukhethwa koMququ weSinyithi

↓

Ukwahlulwahlulwa komgubo/Ukulungiswa

↓

Ukwenziwa

↓

Ukucoca okuLawulwayo

↓

Umatshini wokwakha/wokuwelda/wokuhlanganisa

↓

Ukucoca

↓

Uvavanyo lwePore kunye nokugeleza kwamanzi

↓

Uhlolo olubonakalayo/olubonakalayo

↓

I-QC yokugqibela

↓

Ukupakisha

Utshintsho ekuqaleni kwale nkqubo lunokuchaphazela isakhiwo sokugqibela esineembobo.

Yiyo loo nto uvavanyo lokugqibela lubonelela ngempendulo ebalulekileyo kwimveliso.

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Zeziphi Izinto Zesinyithi Ezinemingxuma Ezinokuvavanywa NgeeNcam Ezinebhamuza?

Le ndlela ifanelekile kwizinto ezininzi zesinyithi ezikwaziyo ukungena ngaphakathi ezineembobo ezidityanisiweyo, ukuba nje inxalenye ingamanziswa kwaye ivavanywe ngokufanelekileyo.

Imizekelo ibandakanya:

Intsimbi Engagqwaliyo Eyenziwe Nge-Sintered

Iindlela eziqhelekileyo zokukhetha ziquka i-304 kunye ne-316L, apho i-316L isetyenziswa kakhulu apho kufuneka khona ukhuselo oluphuculweyo lokugqwala.

Ii-alloys zeNickel kunye neNickel

Isetyenziswa apho ukuhambelana kweekhemikhali, ubushushu okanye iimeko zenkqubo ezikhethekileyo zifuna ukusebenza ngaphaya kwentsimbi engagqwaliyo eqhelekileyo.

I-Titanium

Ihlala ikhethwa ngenxa yokumelana kwayo nokugqwala kunye neempawu zayo ezilungileyo zokuqina ukuya kobunzima.

Izinto Ezinemingxuma Ezisekelwe KwiBronzi NeCopper

Isetyenziswa kwizicelo eziquka izinto ezisebenzisa umoya, izinto ezithulisa isandi kunye nokuhluza okukhethekileyo.

Ii-alloys ezisebenza kakuhle

Ngokuxhomekeke kwindawo engqongileyo, izinto ezinemingxuma zinokwenziwa ngee-alloys ezifana ne-Inconel, i-Hastelloy okanye i-Monel.

Izinto ezifanelekileyo kufuneka zikhethwe kwimichiza yokwenyani, ubushushu, uxinzelelo kunye nokusingqongileyo koomatshini—kungekhona nje ngobukhulu beembobo.

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Uvavanyo lweBubble Point kwizicelo ezahlukeneyo

Ukuhluzwa kweGesi kwiMizi-mveliso

Kwiigesi zenkqubo, umngxuma omkhulu ongaqhelekanga unokubonelela ngendlela elula yokungena kongcoliseko.

Uvavanyo lwe-bubble point lunokuba yinxalenye ye-filter-media QC.

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Ukuhluza ulwelo

Ukuze kuhluzwe ulwelo, ulwakhiwo lwemingxuma kufuneka luhlolwe kunye ne-viscosity, ukuhla koxinzelelo, umthwalo wamasuntswana kunye nokugcinwa okufunekayo.

I-Bubble point iyodwa ayiqikeleli ukusebenza kwenkonzo epheleleyo.

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Iinkqubo zeGesi ezicocekileyo kakhulu

Apho izinto ezisezantsi komlambo zibuthathaka kungcoliseko, izakhiwo ezihlala zinemingxuma zinokuba zibaluleke kakhulu.

Ngokuxhomekeke kwimfuneko yococeko, indawo yeqamza ingadityaniswa novavanyo olongezelelweyo lokuhluza, ucoceko okanye ukuvuza.

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Ukucutshungulwa kweeKhemikhali kunye neePetrochemical

Ukuhambelana kweekhemikhali, ubushushu kunye noxinzelelo kunokubaluleka njengobukhulu beembobo.

Ii-alloys ze-nickel, i-titanium okanye iintsimbi ezingenasici ezikhethekileyo zinokukhethwa ngokuxhomekeke kulwelo lwenkqubo.

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Ukusasaza kunye nokuSasazwa kweGesi

Isinyithi esinemingxuma sisetyenziswa kakhulu ekudibaniseni igesi nolwelo.

Nantsi enye ingcamango ephosakeleyo ebonakala:

Ubungakanani bembobo ye-bubble point abufani nobubanzi be-bubble obuvelisiweyo.

Ubungakanani beqamza kulwelo bungaxhomekeka nakwi:

•Isantya sokuhamba kwegesi uxinzelelo lomphezulu wenkqubo i-liquid pressure diffuser geometry pore distribution orientation ulwelo ubunzulu coalescence behavior

Uvavanyo lwe-bubble point lunokubonisa i-medium enemingxuma, kodwa akufuneki lusetyenziswe lodwa ukuthembisa ububanzi obuchanekileyo benkqubo-ne-bubble.

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Indlela yokufunda ingxelo yovavanyo lwe-Bubble Point

Kwi-B2B, ingxelo eluncedo ye-bubble point kufuneka iqulathe ulwazi olwaneleyo ukwenza iziphumo ziphinde ziphindeke kwaye zilandeleke.

Cinga ngokufuna:

•Imveliso / inombolo yenxalenye

•Inombolo yelothi okanye yebhetshi

•Izinto eziphathekayo

•Ubukhulu besihluzo

•Inkcazo yembobo eqhelekileyo

•Indlela yovavanyo

•Ulwelo olumanzisayo

•Ubushushu bovavanyo apho kufanelekileyo khona

•Uxinzelelo lwendawo yebhamuza

•Ubungakanani bembobo yovavanyo lwebhamuza ebaliweyo, ukuba buyasebenza

•Iikhrayitheriya zokwamkelwa

•Isiphumo sokupasa/sokungaphumeleli

•Umhla wovavanyo

•Ukulandelelana kokuhlolwa

Umzekelo

Eyona nto iphambili kukulandelelana kwezinto.

Inombolo yoxinzelelo engenandlela ehambelanayo kunye neemeko zokumanzisa inexabiso elilinganiselweyo.

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Ukungaqondani Okuqhelekileyo Malunga noVavanyo lweBubble Point

"Ubungakanani bePore yeBubble Point bulingana novavanyo lweSihluzo esiQhelekileyo."

Akunjalo ngokuyimfuneko.

Ziimpawu ezahlukeneyo kwaye zinokuchazwa ngeendlela ezahlukeneyo.

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"Inqaku leBubble lilinganisa ubungakanani obuphakathi bePore."

Hayi.

Indawo yokuqala yeqamza inxulunyaniswa kakhulu nendlela enkulu evulekileyo yokuhamba kwamanzi.

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"Indawo Ephakamileyo Yebhamuza Ithetha Isihluzi Esikumgangatho Ophezulu."

Ayizenzekeli ngokuzenzekelayo.

Ngokuqhelekileyo kuthetha imbobo encinci nesebenzayo enkulu phantsi kweemeko ezifanayo. Ukuba oko kuyafuneka na kuxhomekeke ekusetyenzisweni kwayo.

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"Indawo yeBubble imisela ukusebenza kakuhle kokuhluza."

Hayi ngokwayo.

Ukusebenza kokwenyani kokugcinwa kufuna ingqalelo okanye uvavanyo olongezelelweyo.

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"I-Bubble Point indixelela lonke usasazo lobungakanani be-Pore."

Hayi.

I-ISO 4003 ilumkisa ngokukodwa malunga nokutolikwa. [1]

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"Uxinzelelo lweBubble Point lufana noxinzelelo lweBurst."

Ngokuqinisekileyo akunjalo.

Uxinzelelo lwendawo yebhamuzainxulunyaniswa negesi eyoyisa amandla ee-capillary kwi-pore emanzi.

Uxinzelelo oluqhumayoiphathelele ukusilela kwesakhiwo sesihluzo okanye icandelo phantsi koxinzelelo.

Isihluzi sinokuba nendawo encinci yeqamza ngelixa sinamandla aphezulu kakhulu oomatshini.

Ukudibanisa ezi parameters zimbini kunokukhokelela kwiimpazamo ezinkulu zeenkcukacha.

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Ufanele Uyichaze Njani I-Porous Metal Filter?

Endaweni yokuthumela umthengisi kuphela:

“Ndifuna isihluzo sentsimbi engagqwaliyo esingange-5 μm.” sinika ulwazi oluninzi kangangoko kunokwenzeka malunga nokusetyenziswa.

Iiparameter eziluncedo ziquka:

•Izinto ezifunekayo

•Ibanga lokuhluza elibizwa ngokuba yi-Nominal

•Imfuneko ephezulu ye-pore, ukuba ibalulekile

•Imfuneko yenqaku lebhamuza, ukuba ichaziwe

•Ukusebenza kakuhle kokuhluza

•Igesi okanye ulwelo oluphakathi

•Ukwakheka kweekhemikhali

•Ubushushu bokusebenza

•Uxinzelelo oluqhelekileyo lokusebenza

•Uxinzelelo olukhulu lomahluko

•Izinga lokuhamba kwamanzi elifunekayo

•Ubukhulu besihluzo

•Uhlobo loqhagamshelo

•Indlela yokucoca

•Umgangatho wovavanyo osebenzayo

•Amaxwebhu e-QC afunekayo

•Ubungakanani beqela

Olu lwazi luvumela isakhiwo esineembobo ukuba siyilwe sijikeleze usetyenziso endaweni yokuba sijikeleze inani le-micron enye.

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Imbono Yethu Yobunjineli: Cinga Ngokwendlela Efana Ngayo Nefestile “Ye-Pore–Flow–Power”

Kwiiprojekthi ezininzi zesinyithi esineembobo, sifumanisa ukuba kuluncedo ngakumbi ukucinga ngokukhethwa kwesihluzo njengesixhoboifestile yokusebenzaendaweni yenkcazo enye.

Izinto ezintathu ezibaluleke kakhulu:

Ulwakhiwo lwePore → Ukusebenza koMsinga → Ukunyaniseka koomatshini

Ukutshintsha enye kunokuchaphazela eminye.

Umzekelo:

•Iimbobo ezincinci zinokuphucula ukugcinwa kwazo kodwa zonyuse ukwehla koxinzelelo;

•Ukuvuleka okuphezulu kwe-porosity kunokuphucula ukungena kwamanzi kodwa kunokuchaphazela iimpawu zoomatshini;

•I-media etyebileyo inokuphucula ukuqina kwesakhiwo kodwa itshintshe ukumelana nokuhamba kwamanzi;

•Ukutshintsha kweempawu zomgubo kunokuchaphazela ukusasazwa kweembobo kunye nokuvuleka kwazo.

Yingakho idatha ye-bubble point iba luncedo ngakumbi xa idityaniswe nezinye iindlela zokulinganisa.

Kwizicelo ezibalulekileyo, sicebisa ukuba ubuze:

Lo ngumbuzo ongcono wobunjineli kunokubuza nje:

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Indlela iHENGKO esondela ngayo kuLawulo loMgangatho weSinyithi esineMingxunya

E-HENGKO, izinto zesinyithi ezinemingxuma zenziwe zijikeleze izinto ezifunekayo, iimpawu zemingxuma, ijiyometri kunye neemeko zokusetyenziswa.

Ngokuxhomekeke kwimveliso kunye neenkcukacha zomthengi, uvavanyo lomgangatho lunokubandakanya indibaniselwano yezi zinto zilandelayo:

•

Ukukhetha umgubo wolawulo lwezinto eziluhlaza ukwenza okulawulwayo uhlolo olulawulwayo lokulinganisa ulwelo uvavanyo lweempawu zembobo uvavanyo lokungangeni komoya uvavanyo olunxulumene noxinzelelo uvavanyo oluhambelana novavanyo olubonakalayo ulawulo lokucoceka ukuqinisekiswa kwesicelo esithile

Kwiiprojekthi apho i-bubble point iyiparameter ebalulekileyo yokwamkelwa, iimeko zovavanyo kunye nemida yokwamkelwa kufuneka ichazwe ngexesha lokuqinisekiswa kobugcisa.

Oku kubaluleke kakhulu kwiindawo ezinemingxuma eyenzelwe wena, apho iindawo ezimbini ezibonakala zifana kakhulu ngaphandle zinokufuna izakhiwo zemingxuma yangaphakathi eyahlukileyo kakhulu.

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Imibuzo Ebuzwa Rhoqo: Uvavanyo lweBubble Point kwiiFilters zeMetal ezinePorous

Ithini indawo yeqamza yesihluzi?

Ingongoma yeqamza luxinzelelo apho igesi igqitha khona amandla e-capillary ebambe ulwelo olumanzi ngaphakathi kwi-through-pore esebenzayo kwaye ivelise imeko yokuqamza echaziweyo kwicala elisezantsi.

Ngaba i-bubble point ephezulu ithetha ubungakanani obuncinci be-pore?

Phantsi kolwelo olumanzisayo kunye neemeko zovavanyo ezifanayo, ngokubanzi ewe. Uxinzelelo lwe-bubble point luhambelana ngokuchaseneyo nobubanzi be-pore obusebenzayo.

Ngaba indawo yeqamza ilingana nobukhulu bembobo?

Akunjalo ngqo. Ingasetyenziselwa ukufumana uphawu lwembobo olusebenzayo lovavanyo lwebhamuza, kodwa akufuneki itolikwe njengenkcazo epheleleyo yenethiwekhi yokwenyani yembobo enemilinganiselo emithathu.

Uvavanyo lwe-bubble point lulinganisa ntoni kwisihluzi sesinyithi esitshisiweyo?

Iluncedo ngokukodwa ekuchazeni eyona pore isebenzayo kakhulu kunye nokuthelekiswa komgangatho.

Ngaba uvavanyo lwe-bubble point lunokumisela ubungakanani obuphakathi be-pore?

Inqaku elinye lokuqala leqamza akufuneki lithathwe njengobukhulu obuqhelekileyo bembobo. Ukuchazwa kwembobo ngokubanzi kufuna iindlela ezongezelelweyo.

Ngaba indawo yamaqamza ingagqiba ukusebenza kakuhle kokuhluza?

Hayi. Uvavanyo lwe-bubble point lodwa alubonisi ukusebenza kakuhle kokugcinwa kwamasuntswana.

Yintoni umahluko phakathi kwe-bubble point kunye noxinzelelo lwe-burst?

Ingongoma yeqamza inxulumene nokufuduka kolwelo oluvela kwiimbobo ezimanzi. Uxinzelelo oluqhumayo lunxulumene nokusilela koomatshini. Zichaza iimpawu ezahluke ngokupheleleyo.

Ngowuphi umgangatho osebenzayo kuvavanyo lwe-sintered metal bubble?

I-ISO 4003:1977 ijongana ngokukodwa nokumisela ubungakanani bembobo yovavanyo lwebhamuza kwizixhobo zesinyithi ezityibilikayo. [1]

Ngaba i-ASTM F316 ifanelekile kwiifilitha zesinyithi ezisikiweyo?

I-ASTM F316 ibhalwe ngokukodwa kwiifilitha ze-membrane. Imigaqo yayo iluncedo ekuqondeni uvavanyo lwe-bubble point, kodwa i-ISO 4003 yeyona migangatho ifanelekileyo ngokuthe ngqo kwizixhobo zesinyithi ezityibilikayo. [1][2]

Kutheni ulwelo olumanzisa amanzi lufanele ludweliswe kwingxelo ye-bubble point?

Ngenxa yokuba uxinzelelo lomphezulu luchaphazela ubudlelwane phakathi koxinzelelo lwe-bubble point kunye nobukhulu be-pore obusebenzayo obubaliweyo. Amaxabiso oxinzelelo afunyenwe ngolwelo oluhlukeneyo lokumanzisa akufuneki athelekiswe ngokungaboniyo.

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Isiphelo

Uvavanyo lwe-bubble point sesinye sezona zixhobo ziluncedo kakhulu zokuvavanya iimpawu ze-pore kunye nokwenza ukuhambelana kwezihluzi zesinyithi ezine-porous metal—kodwa kuphela xa iziphumo zitolikwa ngokuchanekileyo.

Eyona xabiso layo liphezulu ayikokuguqula inethiwekhi ye-pore entsonkothileyo enemilinganiselo emithathu ibe yinombolo enye ye-micron ebonakala ichanekileyo.

Ixabiso layo likukunceda ekuphenduleni imibuzo esemgangathweni esebenzayo:

Ingaba kukho indlela enkulu evulekileyo engalindelekanga?

Ingaba le ndawo yemveliso iyahambelana nenkcazo evunyiweyo?

Ingaba isakhiwo esineembobo sitshintshile?

Ingaba eli candelo liyahlangabezana nekhrayitheriya yokwamkelwa kwe-bubble point evunyelweneyo?

Kwiinkqubo zokucoca ezibalulekileyo, i-bubble point kufuneka iqwalaselwe kunye nokuvuleka kwamanzi, ukusebenza kokucoca, ukuhambelana kwezinto, iimfuno zoxinzelelo kunye nendawo yokusebenza.

Ngaba ufuna uncedo ekuchazeni isihluzi sesinyithi esineembobo?

Thumela i-HENGKO oyifunayoizinto, imfuneko yembobo/yokucoca, ubukhulu, i-medium yokusebenza, isantya sokuhamba, uxinzelelo, ubushushu kunye neemfuno zovavanyoIqela lethu lobunjineli linokukunceda ukuvavanya isakhiwo sesinyithi esinomgodi ofanelekileyo kunye nendlela yokuvavanya isicelo sakho.

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Iingxelo kunye neMithombo yoBugcisa

[1] ISO 4003:1977 — Izixhobo zesinyithi ezityibilikayo ezingena emanzini — Ukumisela ubungakanani bembobo yovavanyo lwebhamuza
I-International Organisation for Standardization (ISO). Lo mgangatho ujongana ngqo nezinto zesinyithi ezityibilikayo kwaye uchonga uvavanyo lwamaqamza njengendlela yokulawula umgangatho endaweni yokumisela ngokupheleleyo ubungakanani obuchanekileyo be-pore okanye ukusasazwa kobukhulu be-pore.

[2] I-ASTM F316-03(2019) — Iindlela zoVavanyo oluQhelekileyo lweempawu zobungakanani be-Pore zeeFilters ze-Membrane ngokwe-Bubble Point kunye noVavanyo lwe-Mean Flow Pore
I-ASTM International. Iluncedo kumgaqo womzimba wamandla e-capillary amanzi, uxinzelelo lwe-bubble point, ukuchazwa okuphezulu kwe-pore kunye nemida malunga nokugcinwa kwamasuntswana okwenyani.

[3] ISO 4022:2018 — Izixhobo zesinyithi ezityibilikayo — Ukumisela ukutyibilika kolwelo
I-International Organization for Standardization. Ifanelekile xa ukuvuleka kwamanzi kunye nokumelana nokuhamba kwamanzi kufuneka kubonakaliswe ukongeza kwiimpawu ze-pore zovavanyo lwamaqamza.

[4] Iingxoxo zobunjineli boshishino malunga neentsimbi ezinemingxuma etyhidiweyo
Iingxoxo zakutshanje zobunjineli kwicandelo lesinyithi esineembobo zigxininisa ngokufanayo ukuba iimbobo ezidibeneyo ezilawulwayo zisakhiwo esisebenzayo sesihluzo esisinkiweyo kwaye zihlala zixoxa ngenqaku lebhamuza kunye nokungena kwamanzi. Ezi ngqwalasela zisetyenziswa apha njengomxholo weshishini endaweni yeemfuno zovavanyo oluqhelekileyo.