Zeziphi izinto ezibalulekileyo kwinkqubo yokucoca i-membrane ezisetyenziswa kwiinkqubo zamayeza?

Iinkqubo zamayeza zifuna ulawulo olungqongqo kumgangatho kunye nobunyulu beemveliso zazo. Iinkqubo zokucoca i-membrane zidlala indima ebalulekileyo ekufezekiseni le migangatho ngokubonelela ngeendlela ezisebenzayo zokwahlula kunye nokucoca izinto. Ezi nkqubo zenziwe ngamacandelo aliqela abalulekileyo asebenzisana ukuqinisekisa impumelelo yenkqubo yokucoca. Kweli nqaku, siza kuhlola amacandelo aphambili enkqubo yokucoca i-membrane esetyenziswa kwiinkqubo zamayeza kunye neendima zawo ekuqinisekiseni ubunyulu kunye nokuhambelana kweemveliso zamayeza.

Ulwelwesi

I-membrane yintliziyo yayo nayiphi na inkqubo yokucoca i-membrane. Yinto ekhethiweyo evumela izinto ezithile ukuba zidlule ngelixa zivala ezinye. Ii-membrane ezisetyenziswa kwiinkqubo zamayeza zihlala zenziwe ngezinto ezifana ne-polyethersulfone (PES), i-polyvinylidene fluoride (PVDF), okanye i-polytetrafluoroethylene (PTFE). Ezi zinto zikhethwa ngenxa yokuxhathisa kwazo ukuwohloka kweekhemikhali kunye nebhayoloji, kunye nokukwazi kwazo ukumelana namaqondo obushushu aphezulu kunye noxinzelelo.

Ulwakhiwo lwe-membrane nalo lubalulekile. Ii-membranes zingahlulwahlulwa ngokusekwe kubukhulu bee-pore kunye nesakhiwo sazo, kunye neendlela ezahlukeneyo ukusuka kwi-microfiltration (MF) membranes ezine-pores ezinkulu ukuya kwi-nanofiltration (NF) kunye ne-reverse osmosis (RO) membranes ezine-pores ezincinci. Ukukhethwa kwesakhiwo se-membrane kuxhomekeke kwiimfuno ezithile zenkqubo yamayeza, njengobukhulu bee-particles eziza kususwa kunye nobunyulu obufunekayo bemveliso yokugqibela.

Uyilo lwe-membrane lukwadlala indima ebalulekileyo ekusebenzeni kwayo. Ii-membranes zinokucwangciswa njengeeshiti ezisicaba, amanxeba ajikelezayo, okanye imicu engenanto, kwaye uyilo ngalunye lubonelela ngeenzuzo ezikhethekileyo ngokubhekiselele kwindawo yomphezulu, iimpawu zokuhamba, kunye nokulula kokucoca. Ukukhethwa koyilo olufanelekileyo lwe-membrane kubalulekile ekufezekiseni ukusebenza kakuhle kokuhluza kunye nokufikelela okufunekayo kwiinkqubo zamayeza.

Ukongeza kwiimpawu zomzimba ze-membrane, i-chemistry yayo yomphezulu nayo ibalulekile. Ii-membranes zinokuguqulwa zibe neempawu ze-hydrophilic okanye ze-hydrophobic, okuvumela ulawulo lokuziphatha kokumanzisa kunye nokusebenzisana neentlobo ezahlukeneyo ze-solutes. I-chemistry yomphezulu we-membrane inokwenziwa ukuze kuncitshiswe ukungcola, kuphuculwe ukukhetha, kwaye kuphuculwe ukusebenza ngokubanzi kwenkqubo yokucoca kwiinkqubo zamayeza.

Lilonke, i-membrane yinxalenye ebalulekileyo yenkqubo yokucoca i-membrane esetyenziswa kwiinkqubo zamayeza. Izinto zayo, ulwakhiwo, uyilo, kunye nekhemistri yomphezulu zonke zidlala indima ebalulekileyo ekumiseleni ukusebenza kakuhle kunye nokusebenza kakuhle kwenkqubo yokucoca.

Isitya soxinzelelo

Isitya soxinzelelo sesinye isici esibalulekileyo senkqubo yokucoca i-membrane kwiinkqubo zamayeza. Sisebenza njengendawo yokugcina i-membrane, sibonelela ngendawo elawulwayo yokuba inkqubo yokucoca iqhubeke. Isitya soxinzelelo senzelwe ukumelana noxinzelelo oluphezulu olufunekayo ekuhluzweni kwe-membrane, oluhlala luqala kwishumi ukuya kumakhulu eepawundi nge-square intshi (psi).

Ukwakhiwa kwesitya soxinzelelo kubalulekile ukuqinisekisa ukhuseleko kunye nokuthembeka kwenkqubo yokucoca. Iisitya zoxinzelelo zihlala zenziwe ngezinto ezifana nentsimbi engagqwaliyo okanye iplastiki eqinisiweyo yefiberglass, ezikhethwe ngenxa yokuxhathisa kwazo ukugqwala, amandla aphezulu, kunye nokuhambelana neekhemikhali kunye nezinyibilikisi ezisetyenziswa kwiinkqubo zamayeza. Uyilo lwesitya soxinzelelo lukwabandakanya izinto ezifana neegaskets, izitywino, kunye neegeyiji zoxinzelelo ukugcina indawo evalekileyo eqinileyo nekhuselekileyo ye-membrane.

Ukusebenza kwesitya soxinzelelo kulawulwa yipompo yokuphakela, egcina uxinzelelo olufunekayo kwi-membrane. Ipompo ihambisa isisombululo sokuphakela kwisitya soxinzelelo ngesantya sokuhamba kunye noxinzelelo oluhambelanayo, iqinisekisa ukusasazwa okufanayo kumphezulu we-membrane. Isitya soxinzelelo sinokuxhotyiswa ngee-sensors kunye nezixhobo zokujonga nokulawula iiparameter ezifana noxinzelelo, ubushushu, kunye namazinga okuhamba, okuvumela uhlengahlengiso oluchanekileyo ukuze kuphuculwe inkqubo yokuhluza.

Kwiinkqubo zamayeza, imithambo yoxinzelelo idlala indima ebalulekileyo ekugcineni ukuqina kwe-membrane nokuqinisekisa impumelelo yenkqubo yokucoca. Uyilo lwayo, izixhobo, kunye nokusebenza kwayo konke kuqwalaselwa ngononophelo ukuze kubonelelwe ngendawo ekhuselekileyo nethembekileyo yokwahlula kunye nokucocwa kweemveliso zamayeza.

Inkqubo Yokucoca Ngaphambi Kokuhluza

Inkqubo yokucoca ngaphambi kokuba ihluzwe yinxalenye ebalulekileyo yenkqubo yokucoca i-membrane esetyenziswa kwiinkqubo zamayeza. Inoxanduva lokususa naziphi na iinxalenye ezinkulu, inkunkuma, okanye ukungcola kwisisombululo sokutya ngaphambi kokuba sifike kwi-membrane, ikhusela ukuthembeka kunye nobude bexesha le-membrane kwaye iphucule ukusebenza kakuhle kwenkqubo yokucoca.

Ukucoca kwangaphambili kwenziwa kusetyenziswa izihluzi zobunzulu, ezifana neekhatriji zesihluzi okanye iingxowa zesihluzi, ezenzelwe ukubamba amasuntswana anobukhulu obahlukeneyo kwaye ziwathintele ekufikeleleni kwi-membrane. Ezi zihluzi zobunzulu zenziwe ngezinto ezifana ne-cellulose, i-polypropylene, okanye i-glass fiber, ezikhethwe ngenxa yokusebenza kakuhle kwazo okuphezulu kokugcina amasuntswana kunye nokuhambelana neenkqubo zamayeza. Inkqubo yokucoca kwangaphambili inokubandakanya nezinye izinto ezifana nezihluzi okanye izikrini ukususa amasuntswana amakhulu kunye nokukhusela izihluzi zobunzulu ekungcoleni kakhulu.

Inkqubo yokucoca ngaphambi kokucoca yenzelwe ukususa amasuntswana anokuxina okanye onakalise inwebu, kunye nokunciphisa ukungcola kunye nongcoliseko lwenkqubo yokucoca. Ngokususa la masuntswana kwangethuba, inkqubo yokucoca ngaphambi kokucoca inceda ukwandisa ubomi benwebu, ukunciphisa iimfuno zokugcinwa, kunye nokuphucula ukusebenza kakuhle kwenkqubo yokucoca kwiinkqubo zamayeza.

Ukongeza ekususweni kwamasuntswana, inkqubo yokucoca ngaphambi kokuba ihluzwe ingasetyenziselwa ukususa umoya okanye iigesi kwisisombululo sokutya, nto leyo enokuphazamisa ukusebenza kwe-membrane. Oku kuqhele ukwenziwa kusetyenziswa iimodyuli zokukhupha igesi okanye ii-air eliminators, ezisebenzisa iindlela ezifana nokukhupha igesi nge-vacuum okanye ukususa igesi nge-membrane ukususa nawuphi na umoya okanye iigesi ezifakwe kwisisombululo sokutya ngaphambi kokuba zifike kwi-membrane.

Lilonke, inkqubo yokucoca ngaphambi kokucoca yinxalenye ebalulekileyo yenkqubo yokucoca i-membrane esetyenziswa kwiinkqubo zamayeza. Amandla ayo okususa amasuntswana, inkunkuma, kunye nokungcola kwisisombululo sokondla kunceda ukukhusela i-membrane kunye nokuphucula ukusebenza kunye nokuthembeka kwenkqubo yokucoca.

Inkqubo yoLawulo

Inkqubo yolawulo yinxalenye ebalulekileyo yenkqubo yokucoca i-membrane esetyenziswa kwiinkqubo zamayeza. Inoxanduva lokujonga nokulawula iiparameter ezahlukeneyo kunye neziguquguquko zenkqubo yokucoca, ukuqinisekisa ukuba inkqubo isebenza phantsi kweemeko zokusebenza ezifunekayo kwaye inika amanqanaba afunekayo obunyulu kunye nokuhambelana kwimveliso yokugqibela.

Inkqubo yolawulo idla ngokuba nomxube wezixhobo zehardware kunye nesoftware, kuquka iisensors, ii-actuators, ii-controllers, kunye neenkqubo zokufumana idatha. Ezi zixhobo zisebenza kunye ukujonga nokulawula iiparameters ezifana noxinzelelo, ubushushu, amazinga okuhamba, kunye nomgangatho we-feed kunye ne-permeate streams, zibonelela ngempendulo yexesha langempela kunye nohlengahlengiso ukuze kuphuculwe ukusebenza kwenkqubo yokucoca.

Iisensors zidlala indima ebalulekileyo kwinkqubo yolawulo, zibonelela ngegalelo kwiiparameter ezibalulekileyo ezifana nokwahluka koxinzelelo kwi-membrane, i-gradients yobushushu, kunye noxinzelelo lwe-solutes kwi-feed kunye ne-permeating streams. Olu lwazi lusetyenziswa yinkqubo yolawulo ukwenza uhlengahlengiso ekusebenzeni kwenkqubo yokucoca, njengokuguqula isantya sepompo yokuphakela, iivalvu zokuvula okanye zokuvala, okanye ukutshintsha iiparameter zokusebenza kwesitya soxinzelelo.

Ii-actuators zinoxanduva lokuphumeza izenzo zolawulo ezimiselwe yinkqubo yolawulo, njengokulungisa amazinga okuhamba, uxinzelelo, okanye amaqondo obushushu ngenxa yotshintsho kwiimeko zenkqubo. Ezi actuators zingabandakanya izixhobo ezifana neevalvu, iimpompo, ii-heater, okanye ii-cooler, ezibekwe ngendlela efanelekileyo kuyo yonke inkqubo yokucoca ukuze zibonelele ngolawulo oluchanekileyo kwiiparameter zenkqubo.

Icandelo lesoftware lenkqubo yolawulo libonelela ngojongano lokuhlela, ukujonga, kunye nokuhlalutya ukusebenza kwenkqubo yokucoca. Ivumela abaqhubi ukuba bamisele iimeko zokusebenza ezifunekayo, bajonge idatha yenkqubo yexesha langempela, kwaye benze uhlengahlengiso njengoko kufuneka ukuqinisekisa impumelelo yenkqubo yokucoca. Isoftware ingabandakanya neempawu ezifana nee-alamu, ukuxilongwa, kunye nokufakwa kwedatha ukuze kube lula ukusombulula iingxaki kunye nokwenza ngcono inkqubo yokucoca.

Lilonke, inkqubo yolawulo yinxalenye ebalulekileyo yenkqubo yokucoca i-membrane esetyenziswa kwiinkqubo zamayeza. Amandla ayo okujonga nokulawula iiparameter ezahlukeneyo zenkqubo yokucoca anceda ukuqinisekisa ukuthembeka kunye nokuhambelana kwemveliso yokugqibela, kunye nokuthembeka nokusebenza kakuhle kwenkqubo yokucoca iyonke.

Inkqubo yokucoca kwindawo (CIP)

Inkqubo yokucoca endaweni (CIP) yinxalenye ebalulekileyo yenkqubo yokucoca i-membrane esetyenziswa kwiinkqubo zamayeza. Inoxanduva lokususa ukungcola, ukungcola, kunye nokunye ukuqokelelana kwi-membrane nakwizixhobo ezinxulumene nayo, ukuqinisekisa ukuba inkqubo ihlala icocekile kwaye icocekile kwaye isebenza kakuhle kuyo yonke imigudu yayo yobomi.

Inkqubo ye-CIP idla ngokuba nendibaniselwano yeetanki, iimpompo, iivalvu, kunye nezixhobo ezenzelwe ukuhambisa izisombululo zokucoca kwi-membrane kunye nezinto ezinxulumene nayo. Izisombululo zokucoca zingabandakanya i-acid, i-alkali, okanye ii-biocidal agents, kuxhomekeke kuhlobo lokungcola kunye nezinto zokwakha i-membrane kunye nezixhobo. Inkqubo ye-CIP yenzelwe ukuhambisa ezi zisombululo ngamanani athile okuhamba, uxinzelelo, kunye namaqondo obushushu ukuqinisekisa ukucoca okusebenzayo ngaphandle kokonakalisa i-membrane okanye ezinye izinto.

Uyilo lwenkqubo ye-CIP lubaluleke kakhulu kwimpumelelo yayo ekucoceni i-membrane kunye nezixhobo ezinxulumene nayo. Izinto ezifana neebhola zokutshiza, ii-nozzles, kunye nee-manifolds zibekwe ngendlela efanelekileyo ukuze zinike izisombululo zokucoca kuzo zonke iindawo ze-membrane kunye nesitya soxinzelelo, ukuqinisekisa ukucoca okucokisekileyo nokulinganayo. Inkqubo ye-CIP ingabandakanya neempawu ezifana nee-recirculation loops, ulandelelwano oluzenzekelayo, kunye nolawulo lwedijithali ukuze kuphuculwe inkqubo yokucoca kunye nokunciphisa ukusetyenziswa kwezinto zokucoca kunye nezixhobo.

Ukongeza ekucoceni, inkqubo ye-CIP ingasetyenziselwa ukucoca, ukuqinisekisa ukuba i-membrane kunye nezixhobo ezinxulumene nayo zihlala zingenazo iintsholongwane. Oku kuqhele ukufezwa kusetyenziswa ii-biocidal agents okanye umphunga, ezithunyelwa kwiimeko ezithile ukuze kufezekiswe inqanaba elifunekayo lolawulo lweentsholongwane ngaphandle kokuphazamisa ingqibelelo okanye ukusebenza kwenkqubo yokucoca.

Lilonke, inkqubo ye-CIP yinxalenye ebalulekileyo yenkqubo yokucoca i-membrane esetyenziswa kwiinkqubo zamayeza. Amandla ayo okususa ukungcola, ukungcola, kunye neentsholongwane kwi-membrane kunye nezixhobo ezinxulumene nayo anceda ukugcina ubunyulu, ukuhambelana, kunye nokuthembeka kwenkqubo yokucoca, ukuqinisekisa umgangatho weemveliso zamayeza.

Ukuqukumbela, izinto eziphambili zenkqubo yokucoca i-membrane ezisetyenziswa kwiinkqubo zamayeza zidlala indima ebalulekileyo ekuqinisekiseni impumelelo yenkqubo yokucoca. Ukusuka kwi-membrane ngokwayo ukuya kwisitya soxinzelelo, inkqubo yokucoca ngaphambi kokucoca, inkqubo yokulawula, kunye nenkqubo ye-CIP, icandelo ngalinye liyilwe ngononophelo kwaye lidityaniswe ukuze libonelele ngendlela esebenzayo yokwahlula nokucoca izinto kwiinkqubo zamayeza. Ngokuqonda iindima kunye nemisebenzi yezi zinto, abavelisi bamayeza banokuphucula ukusebenza kunye nokuthembeka kweenkqubo zabo zokucoca i-membrane, benegalelo kwimveliso yeemveliso zamayeza ezikumgangatho ophezulu nezihambelanayo.