Oyena mkhulu kwi-viscosity yeI-HPMChydroxypropyl methyl sellise, ilunge ngakumbi umsebenzi wokugcina amanzi. I-Viscosity yiparamitha ebalulekileyo ye-HPMC. Okwangoku, abavelisi be-HPMC eyahlukeneyo basebenzisa iindlela ezahlukeneyo kunye nezixhobo ukumisela i-HPMC. Ezona ndlela ziphambili zikho I-Rotovisko, i-hoppler, ibbelohde kunye ne-brookfield, njl.
Kwimveliso efanayo, iziphumo ze-viscosity ezilinganiswe ngeendlela ezahlukeneyo zahluke kakhulu, ezinye zihlukenyele. Ke ngoko, xa uthelekisa uVeksisity, kufuneka uqhutyekwe phakathi kwendlela efanayo yovavanyo, kubandakanya ubushushu, i-rotor, njl.
Ubungakanani bentsumpa, imbumbulula isuntswana, kungcono ukugcinwa kwamanzi. Amasuntswana amakhulu e-Seley Sether Trade enxibelelana namanzi, umphezulu onyibilikisi ukuba atolise imolekyuli eqhubekayo, ukuba ichithe ichiza ichithwanga, I-Agglomerate. Ukunyibilisela i-Ether Sether yenye yezinto zokukhetha i-Sell Itery. Ubuhle buyinto ebalulekileyo yentsebenzo ye-methyl selete. I-MC yodaka olomileyo lufuna umgubo, umxholo wamanzi ophantsi, kunye nokulunga kwe-20% ~ 60% ye-surticle i-subtal engaphantsi kwe-63um. Ukulunga kuchaphazela ukunyibilikisaI-HPMChydroxypropyl methyl setelie I-MCE MC ihlala inyibilikiswe kwaye inokutshitshiswa ngokulula emanzini ngaphandle kokuchithwa, kodwa isantya sokuchitheka sicotha kakhulu, ngoko ayifanelekanga ukuba isetyenziswe kumdaka owomileyo. Ebudeni owomileyo, i-MC ichithwayo phakathi kwe-Aggregate, iFild Agrgate, iiFliness ezilungileyo kunye nezixhobo zesamente ezifana nesamente, kunye nomgubo kuphela ohle ngokwaneleyo unokuphepha i-ethyl sether xa uxubusha ngamanzi. Xa i-MC iyongeza amanzi ukuze inyibilike i-Agglomerate, kunzima kakhulu ukusasaza nokuyichitha. I-MC ene-coasse inyama yenkunkuma ayisiyo nje, kodwa ikwanciphisa amandla endawo yodaka. Xa udaka lowomileyo lwakhiwe kwindawo enkulu, isantya sokunyangwa kodaka lonyaka lonyaka sincitshisiwe kakhulu, sibangelwa kukuqhekeka kwexesha lokunyanga. Ngobuchwephesha boomatshini, ngenxa yexesha elifutshane lokuxuzwa, ukulunga kuphakamile.
Ngokubanzi, ukuphakama kwe-viscosity, eyona nto ilunge ngakumbi. Nangona kunjalo, ukuphakama okuphezulu kukuba, ukuphakama kobunzima be-MC, kwaye intsebenzo yokutshintsha kwenyathelo kuya kuncitshiswa ngokulandelelana, okunefuthe elibi kumandla nokusebenza kodaka. Ukuphakama kwe-viscofity, eyona nto icacileyo yokuthambisa kodaka, kodwa ayingqinelani nobudlelwane. Ukuphakama okuphezulu, udaka olumanzi luya kuba lunamathelayo, olwenziweyo, ukwenziwa kwendlela yokuhlikisela kunye nokunamathela okuphezulu kwizinto ezisesiseko. Kodwa akuncedi ukwandisa amandla olwakhiwo lodaka olumanzi. Ngexesha lokwakha, umsebenzi we-Anti-SAG akacacanga. Ngokuchasene noko, abanye be-viscofity kodwa baguqula i-methyl ye-melsulose entshukumo egqwesileyo ekuphuculeni amandla olwakhiwo lodaka lwamanzi.
I-ether engaphezulu ye-seluplose yongezwa kodaka, umsebenzi wokugcinwa kwamanzi, ukuphakama kwe-viscofity, umsebenzi ongcono wokugcina amanzi.
Ukulunga kwe-HPMC kukwanefuthe elithile ekugcinweni kwamanzi, ngokuthetha, kuba i-viscofity efanayo kunye ne-vissosity efanayo ye-methyl sether, kwimeko yexabiso elifanayo lokugcina i-ether.
Ukugcinwa kwamanzi i-HPMC ikwanxulumene nobushushu bokusetyenziswa, kunye nokugcinwa kwamanzi kwe-methyl selethe ye-ether ihla ngokunyuka kobushushu. Kodwa kwisicelo sezinto ezibonakalayo, iindawo ezininzi zodaka owomileyo zihlala ziba kubushushu obuphezulu (ngaphezulu kwe-40 degrees) phantsi kwemeko yokwakhiwa kwe-facety eshushu, ehlala ikhawulezisa isiqu se Isamente kunye nodaka loMama. Ukwehla kwenqanaba lokugcina amanzi kukhokelela kwimvakalelo ecacileyo yokuba zombini ukwakha kunye nokunganyangeki kuyachaphazeleka. Kule meko, ukunciphisa ifuthe lezinto zobushushu kuya kuba yimgxeki. Nangona isongezo se-methyl hydroxythyl sether sethelose ithathelwa ingqalelo ukuba siphambili kuphuhliso lwetekhnoloji, ukuxhomekeka kwalo kubushushu kuya kukhokelela ekwenzeni ubuqhetseba bodaka olwalukileyo. Kwanangokunyuka kwe-methyl hydroxykyl dossage (ifomula yehlobo), ukwakhiwa nokungavisisisayo nokunganyangeki kungakwazi ukufezekisa iimfuno zokusetyenziswa. Ngonyango olukhethekileyo lwe-MC, njengokukhulisa inqanaba lokuthengiswa kwe-Etheriya, umphumo wokugcinwa kwamanzi kwi-MC unokugcina isiphumo esiphezulu phantsi kobushushu obuphakathi, ukuze sikwazi ukusebenzela ngcono iimeko eziphantsi kweemeko ezinobunzima.
Ixesha lokuposa: NgoMeyi-18 ukuya kwi-2022