Dị ka ihe bụ isi nke ihe mkpuchi ahụike, nzacha arụmọrụ nke akwa agbaze agbaze na-emetụta mmetụta nchebe nke ihe mkpuchi. Enwere ọtụtụ ihe na-emetụta arụmọrụ filtration nke akwa agbaze agbaze, dị ka njupụta eriri eriri, nhazi eriri eriri, ọkpụrụkpụ, na njupụta.
Otú ọ dị, dị ka aihe nzacha ikukumaka ihe mkpuchi, ọ bụrụ na ihe ahụ siri ike, pores dị ntakịrị, na ume iku ume dị oke elu, onye ọrụ enweghị ike ịkuba ikuku nke ọma, ihe mkpuchi ahụ na-efunahụ uru ya.
Nke a na-achọ ihe nzacha ọ bụghị naanị iji melite arụmọrụ nzacha ya, kamakwa iji belata nguzogide iku ume ya dịka o kwere mee, na nguzogide iku ume na arụmọrụ filtration bụ ụzọ na-emegiderịta onwe ya. Usoro ọgwụgwọ polarization electrostatic bụ ụzọ kachasị mma isi dozie esemokwu dị n'etiti nguzogide iku ume na arụmọrụ filtration.
The filtration usoro nke meltblown ákwà
N'ime usoro nzacha nke ihe nzacha agbaze agbaze agbaze, usoro a na-amatakarị gụnyere mgbasa Brownian, interception, inertial collision, ndọda ndọda, na mgbasa ozi electrostatic. N'ihi eziokwu ahụ bụ na ụkpụrụ anọ mbụ bụ ihe mgbochi niile na-arụ ọrụ, usoro nzacha nke akwa meltblown nwere ike ịchịkọta ya dị ka ihe mgbochi igwe na mgbasa ozi electrostatic.
Mechanical mgbochi
Nkezi eriri dayameta nkepolypropylene meltblown ákwàbụ 2-5 μm, na ụmụ irighiri mmiri nwere oke ihe karịrị 5 μm n'ikuku nwere ike igbochi ya site na akwa agbaze agbaze.
Mgbe dayameta nke uzuzu dị mma na-erughị 3 μm, a na-ahazi eriri ndị dị na akwa agbaze agbaze na-enweghị usoro ma tinye ya ka ọ bụrụ oyi akwa nzacha eriri eriri multi curved. Mgbe ụmụ irighiri ihe na-agafe ụdị dị iche iche nke ọwa ma ọ bụ ụzọ dị iche iche, a na-eme ka uzuzu dị mma na-adaba n'elu eriri site na ike nke van der Waals.
Mgbe urughuru size na airflow ọsọ bụ ma buru ibu, ikuku na-abịaru nso na nzacha ihe na-egbochi, na-eme ka ọ na-agba gburugburu, mgbe ahụ na-apụ apụ na streamline n'ihi inertia na-agbakọ ozugbo na eriri, na-ejide.
Mgbe urughuru nha bụ obere na eruba ọnụego dị ala, irighiri ihe na-agbasa n'ihi na Brownian ngagharị na-adaba na emep uta eri ga-weghara.
Electrostatic adsorption
Mgbasa ozi electrostatic na-ezo aka na ijide ụmụ irighiri ihe site n'ike Coulomb nke eriri ebubo (polarizations) mgbe a na-ebubo eriri nke ihe nzacha. Mgbe uzuzu, nje bacteria, nje na ụmụ irighiri ihe ndị ọzọ na-agafe ihe nzacha, ike electrostatic nwere ike ọ bụghị naanị na-adọta ụmụ irighiri ihe ebubo nke ọma, kamakwa jide n'aka ụmụ irighiri ihe na-anọpụ iche nke polarized site na mmetụta induction electrostatic. Ka ikike electrostatic na-abawanye, mmetụta mgbasa ozi electrostatic na-esiwanye ike.
Okwu Mmalite nke Electrostatic Electrification Usoro
N'ihi nzacha arụmọrụ nke nkịtị meltblown na-abụghị kpara akwa bụ ihe na-erughị 70%, ịdabere naanị na n'ibu mgbochi mmetụta nke atọ akụkụ aggregates eri na ezi eriri, obere voids, na elu porosity nke meltblown ultrafine emep uta eri ezughị. Ya mere, meltblown filtration ihe n'ozuzu na-agbakwunye electrostatic ụgwọ mmetụta na meltblown ákwà site electrostatic polarization technology, iji electrostatic ụzọ iji melite filtration arụmọrụ, na-eme ka o kwe omume nweta 99.9% ka 99.99% filtration arụmọrụ. Igwe oyi akwa dị oke mkpa nwere ike izute ụkpụrụ ndị a tụrụ anya ya, na nguzogide iku ume dịkwa ala.
Ka ọ dị ugbu a, ụzọ bụ isi nke polarization electrostatic gụnyere electrospinning, mwepu corona, esemokwu na-akpata polarization, polarization thermal, na bọmbụ elektrọn ọkụ dị ala. N'ime ha, mwepu corona bụ ugbu a usoro polarization electrostatic kacha mma.
Usoro mgbapụ corona bụ usoro iji chajịa ihe gbazere agbaze site na otu ma ọ bụ karịa nke eletrọd nwere ụdị agịga (voltaji n'ozuzu 5-10KV) nke igwe na-ebunye ọkụ tupu ịgbanye eriri eriri agbaze agbaze. Mgbe etinyere voltaji dị elu, ikuku dị n'okpuru n'ọnụ agịga na-emepụta ionization corona, na-ebute mwepu mmebi mpaghara. A na-edobe ndị na-ebu ihe n'elu ákwà na-agbaze agbaze n'okpuru ọrụ nke ọkụ eletrik, na ụfọdụ ndị na-ebu ya ga-ejide ọnyà nke ihe ndị nne na-anọ ọdụ n'ime elu, na-eme ka ihe na-agbaze agbaze bụrụ ihe nzacha maka ahụ guzoro.
Enwere ike nweta ịba ụba elu nke akwa akwa meltblown site na usoro ịgbapụ corona maka ọgwụgwọ mgbapụta electrostatic, ma iji gbochie ire ere nke nchekwa electrostatic a, ihe mejupụtara na nhazi nke ihe electrode na-agbaze kwesịrị ịdị mma iji kwụọ ụgwọ. Enwere ike nweta ụzọ isi melite ikike nchekwa ego nke ihe electret site na iwebata ihe mgbakwunye na ihe nchekwa ego iji mepụta ọnyà ụgwọ na ebubo ijide.
Ya mere, e jiri ya tụnyere ndị nkịtị agbaze agbaze emeputa ahịrị, mmepụta nke gbazee fụọ ihe maka ikuku filtration na-achọ ka mgbakwunye na elu-voltaji electrostatic ihapu ngwaọrụ na mmepụta akara, na mgbakwunye na nke polar masterbatch dị ka tourmaline ahụ na mmepụta nke akụrụngwa polypropylene (PP).
Isi ihe na-emetụta mmetụta nke ọgwụgwọ electrospinning na akwa agbaze agbaze
1. Ọnọdụ chajị: oge ịchaji, ebe ịchaji, chaja chaja;
2. Ọkpụrụkpụ;
3. Electrified ihe.
Ụgwọ nke ụlọ ọrụ Dongguan Liansheng Non Woven Technology Co., Ltd.e hiwere na Mee 2020. Ọ bụ nnukwu ụlọ ọrụ mmepụta ihe na-abụghị akwa na-ejikọta nyocha na mmepe, mmepụta na ahịa. Ọ nwere ike ịmepụta agba dị iche iche nke PP spunbond akwa na-abụghị kpara nke nwere obosara nke na-erughị 3.2 mita site na gram 9 ruo 300.
Oge nzipu: Ọktoba 26-2024