Njengeyona nto ingundoqo yeemaski zonyango, ukusebenza kakuhle kokucoca ilaphu elinyibilikayo lichaphazela ngokuthe ngqo isiphumo sokhuseleko seemaski. Zininzi izinto ezichaphazela ukusebenza kohluzo lwamalaphu anyibilikisiweyo, anje ngoxinaniso lomgca wefiber, ubume befiber mesh, ubukhulu, kunye noxinaniso.
Nangona kunjalo, njengeizinto zokucoca umoyaiimaski, ukuba izinto eziphathekayo ziqine kakhulu, iipores zincinci, kwaye ukuxhathisa ukuphefumula kuphezulu kakhulu, umsebenzisi akakwazi ukuphefumla umoya, kwaye imaski ilahlekelwa ixabiso layo.
Oku kufuna ukuba izinto zokucoca zingagcini nje ukuphucula ukusebenza kakuhle kokucoca, kodwa kunye nokunciphisa ukuxhathisa ukuphefumla ngokusemandleni, kunye nokumelana nokuphefumla kunye nokusebenza kakuhle kokucoca zimbini eziphikisanayo. Inkqubo yonyango ye-electrostatic polarization yeyona ndlela yokusombulula ukuchasana phakathi kokumelana nokuphefumula kunye nokusebenza kakuhle kokucoca.
Indlela yokuhluza yelaphu elinyibilikayo
Kumatshini wokuhluza wemathiriyeli yokucoca evuthelweyo enyibilikayo, iindlela ezixhaphakileyo ezivunyiweyo ikakhulu ziquka ukusasazwa kweBrownian, ukudibana, ukungqubana okungaphakathi, ukuhla komxhuzulane, kunye ne-electrostatic adsorption. Ngenxa yokuba imigaqo emine yokuqala iyimiqobo yoomatshini, indlela yokuhluza amalaphu anyibilikayo inokushwankathelwa nje ngokuba yimiqobo yoomatshini kunye ne-electrostatic adsorption.
Umqobo womatshini
Umyinge wedayimitha yefayibha yepolypropylene meltblown ilaphuyi-2-5 μ m, kunye namathontsi anesayizi yamasuntswana amakhulu kune-5 μ m emoyeni inokuvalwa ngelaphu elinyibilikayo.
Xa i-diameter yothuli olucolekileyo ingaphantsi kwe-3 μ m, iintsinga ezikwilaphu elinyibilikayo zicwangciswa ngokungenamkhethe kwaye zadityaniswa zenza umaleko wokucoca umjelo ogobileyo. Xa amasuntswana edlula kwiindidi ezahlukeneyo zemijelo egobileyo okanye iindlela, uthuli olucolekileyo lubhengezwa kumphezulu wefiber nge-mechanical filtration van der Waals force.
Xa ubungakanani be-particle kunye ne-airflow velocity zombini zikhulu, ukuhamba komoya kusondela kwizinto zokucoca kwaye kuthintelwe, kubangele ukuba kujikeleze, ngelixa amaqhekeza aphuma kwi-streamline ngenxa ye-inertia kwaye angqubane ngokuthe ngqo kunye nemicu, ebanjwe.
Xa ubungakanani be-particle buncinci kwaye izinga lokuhamba liphantsi, iinqununu zisasazeka ngenxa yentshukumo ye-Brownian kwaye ingqubuzane neefayili eziza kubanjwa.
I-adsorption ye-electrostatic
I-adsorption ye-Electrostatic ibhekisela ekubanjweni kwamasuntswana yi-Coulomb force of charges fibers (polarizations) xa iifiber zezinto zokucoca zihlawuliswa. Xa uthuli, iibhaktheriya, iintsholongwane kunye namanye amasuntswana edlula kwizinto zokucoca, amandla e-electrostatic akakwazi ukutsala amasuntswana ahlawulisiweyo kuphela, kodwa aphinde abambe amasuntswana angathathi hlangothi afakwe kwi-electrostatic induction effect. Njengoko amandla e-electrostatic enyuka, isiphumo se-electrostatic adsorption siba namandla.
Intshayelelo yeNkqubo yoMbane we-Electrostatic
Ngenxa yokusebenza kakuhle kwamalaphu angalukwanga anyibilikisiweyo angaphantsi kweepesenti ezingama-70, ukuxhomekeka kuphela kwisiphumo sesithintelo sikamatshini semidibaniso emacala-ntathu eentsinga ezinemicu ecikizekileyo, i-voids encinci, kunye ne-porosity ephezulu eveliswa yi-meltblown ultrafine fibers akwanelanga. Ngoko ke, izinto zokuhluza ezinyibilikayo zongeza ngokubanzi iziphumo zentlawulo ye-electrostatic kwilaphu elinyibilikayo ngokusebenzisa itekhnoloji ye-electrostatic polarization, kusetyenziswa iindlela ze-electrostatic ukuphucula ukusebenza kakuhle kokucoca, okwenza kube nokwenzeka ukufikelela kwi-99.9% ukuya kwi-99.99% yobuchule bokuhluza. Umaleko omncinci kakhulu unokuhlangabezana nemigangatho elindelekileyo, kwaye ukuchasana nokuphefumula kuphantsi.
Okwangoku, iindlela eziphambili ze-electrostatic polarization ziquka i-electrospinning, ukukhutshwa kwe-corona, i-friction induced polarization, i-thermal polarization, kunye ne-low-energy electron beam bombardment. Phakathi kwabo, ukukhutshwa kwe-corona ngoku yeyona ndlela ibalaseleyo ye-electrostatic polarization.
Indlela yokukhupha i-corona yindlela yokutshaja imathiriyeli enyibilikayo ngeseti enye okanye ezingaphezulu zee-electrode ezimilise inaliti (i-voltage ngokubanzi yi-5-10KV) yejenereyitha ye-electrostatic phambi kokujija umnatha wefayibha onyibilikayo. Xa kusetyenziswa i-voltage ephezulu, umoya ongaphantsi kwencam yenaliti uvelisa i-corona ionization, ekhokelela ekukhutshweni kwendawo. Abathwali bafakwe kumphezulu welaphu elinyibilikisiweyo phantsi kwesenzo sentsimi yombane, kwaye abanye abathwali baya kubanjwa yimigibe yeengqungquthela zomama omileyo nzulu kumphezulu, okwenza ilaphu elinyibilikayo libe yinto yokucoca kumzimba omileyo.
Ukonyusa umrhumo womphezulu welaphu elinyibilikisiweyo unokufumaneka ngendlela yokukhutshwa kwe-corona yonyango lokukhutshwa kwe-electrostatic, kodwa ukuze kuthintelwe ukubola kwesi kugcinwa kwe-electrostatic, ukubunjwa kunye nesakhiwo sezinto ezinyibilikayo ze-electrode kufuneka zilungele ukuhlawulisa ukugcinwa. Indlela yokuphucula umthamo wokugcinwa kwentlawulo yezinto eziphathekayo ze-electret inokufezekiswa ngokuzisa izongezo ezineepropati zokugcina intlawulo ukuvelisa izibambi zentlawulo kunye neentlawulo zokubamba.
Ke ngoko, xa kuthelekiswa nemigca yemveliso enyibilikayo eqhelekileyo, ukuveliswa kwezinto ezinyibilikayo ezivuthelweyo zokucoca umoya kufuna ukongezwa kwezixhobo zokukhutshwa kwe-electrostatic high-voltage kumgca wokuvelisa, kunye nokongezwa kwe-polar masterbatch efana namasuntswana e-tourmaline kwimveliso yepolypropylene ekrwada (PP).
Izinto eziphambili ezichaphazela umphumo wonyango lwe-electrospinning kwiilaphu ezinyibilikayo
1. Iimeko zokutshaja: ixesha lokutshaja, umgama wokutshaja, umbane wokutshaja;
2. Ukutyeba;
3. Izinto zombane.
Dongguan Liansheng Non woven Technology Co., Ltd.yasekwa ngoMeyi 2020. Lishishini elikhulu lemveliso yelaphu elingalukiweyo elidibanisa uphando nophuhliso, imveliso, kunye neentengiso. Inokuvelisa imibala eyahlukeneyo ye-PP spunbond amalaphu angalukwanga kunye nobubanzi obungaphantsi kwe-3.2 yeemitha ukusuka kwi-9 grams ukuya kwi-300 grams.
Ixesha lokuposa: Oct-26-2024