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2025-09-29
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Usoro mmepụta nke akwa akwa na-agbaze agbaze bụ iji ikuku na-ekpo ọkụ na-agba ọsọ dị elu iji dọpụta iyi dị mkpa nke polymer gbazere site na orifice nke anwụ anwụ, si otú ahụ na-akpụ eriri dị mma na condensing na ákwà mgbochi ma ọ bụ ihe mkpuchi, na ịdabere na Bonds n'onwe ya ka ọ bụrụ ákwà na-adịghị kpara akpa.
Ntụle nke eriri agbaze agbaze na eriri na-agbaji:
● Ogologo eriri: Spunbond bụ filament, meltblown bụ eriri dị mkpụmkpụ.
● Ike eriri: ike eriri spunbond> Ike eriri agbaze agbaze.
● Fiber mma: eriri gbazere agbaze dị gịrịgịrị karịa eriri e ji agbaze agbaze.
A na-ekewa ngwaọrụ ndị na-agbaze agbaze gaa n'ụdị kwụ ọtọ na nke kwụ ọtọ dịka usoro ntinye ha siri dị.
1. Usoro eruba na akụrụngwa
Usoro mgbaze
Nkwadebe polymer → ịgbaze extrusion → mita mgbapụta → agbaze ịfụ anwụ mgbakọ → gbazee trickle agbatị → jụrụ oyi → ịnata ngwaọrụ
Akụrụngwa gụnyere na pp meltblown anaghị kpara akwa mmepụta ahịrị
Isi akụrụngwa: feeder, screw extruder, metering pump, meltblown die meeting, air compressor, air heater, device receiver, winding device. Iji mepụta polyester na akụrụngwa ndị ọzọ, a na-achọkwa ngwaọrụ ihicha mgbawa.
Akụrụngwa inyeaka: ọkụ ihicha ọkụ, ngwaọrụ ngwa eletrọstatic, na ihe ịgbasa, wdg.
1. Na-enye nri
Awụnyere na hopper nke extruder. Ọrụ nke onye na-enye nri bụ ịmịnye mpekere polymer n'ime hopper nke screw extruder. Ọ na-enwekarị ọrụ akpaka. Enwere ike ịtọ ọnụọgụ nri kwa nkeji oge dịka mmepụta nke ahịrị mmepụta dum.
2. Ịghasa extruder
3. Mgbapụta mita
4. Meltblown anwụ isi mgbakọ
Mgbakọ anwụ bụ akụkụ kachasị mkpa nke akụrụngwa agbaze agbaze, ọkachasị gụnyere:
1. Polymer gbazee usoro nkesa
2. Die isi usoro
Usoro nkesa polymer gbazee
Usoro nkesa nkesa polymer nwere ike hụ na polymer gbazere na-asọba n'otu n'otu n'ogologo nke agbaze agbaze ma nwee oge obibi edo edo, si otú ahụ hụ na agbaze agbaze anaghị kpara akwa nwere ihe ndị ọzọ edo edo n'ofe obosara.
Sistemụ anwụ anwụ
Usoro isi anwụ bụ nke spinneret, efere gas, ihe nchekwa ọkụ na ikpo ọkụ, wdg.
Ịdị n'otu nke ngwaahịa meltblown nwere njikọ chiri anya na anwụ. N'ozuzu, nhazi nhazi nke isi ihe na-agbaze agbaze dị elu, ya mere ọnụ ahịa nrụpụta nke isi ọnwụ dị oke ọnụ.

Sistemụ anwụ anwụ
5. Igwe ọkụ ikuku
Usoro mgbaze na-achọ ọtụtụ ikuku ọkụ. A na-eme ka ikuku ikuku na-ekpo ọkụ site na compressor ikuku na-ekpochapụ ma kpochaa wee ziga ya na ikpo ọkụ ikuku maka ikpo ọkụ, wee zigara ya na mgbakọ meltblown anwụ. Igwe ọkụ ikuku bụ arịa nrụgide, ma n'otu oge ahụ ọ ghaghị iguzogide oxidation nke ikuku dị elu, ya mere ihe ahụ ga-abụ igwe anaghị agba nchara.
6. Ngwaọrụ nnata
Ụdị isi nke usoro ịgbaze mgbaze na-enweta ngwaọrụ bụ: ụdị rola, ụdị ihuenyo dị larịị
Nhazi akụkụ atọ (mandrel): ngwaọrụ maka imepụta ihe nzacha
Nabata ngwaọrụ nnabata akụkụ atọ, kewara n'ime ịnata oge na-aga n'ihu.
Ngwaọrụ nnata na-adịte aka
Ngwaọrụ na-anata na-aga azụ na azụ, na eriri na-emerụ ahụ na mandrel n'ọtụtụ ọkwa; a na-agbanwe anya nnabata iji mepụta ihe nzacha nwere gradient njupụta;
Gbanwee nha nke mandrel iji mepụta ihe nzacha nwere dayameta dị n'ime dị iche iche. Mgbe emechara ihe nzacha ọ bụla, ọ dị mkpa ka edochie mandrel ahụ, ya mere mmepụta mmepụta dị ala.
Ngwa anata na-aga n'ihu
Ebe a na-anata ihe dị n'ụdị osisi cantilever, ma enwere oghere nnyefe maka ịmepụta ihe nzacha tubular. A na-agbanye isi isi nke eriri nnyefe ahụ, a na-ewepụkwa ihe nzacha tubular site na mandrel na-anata ma buru ya na usoro ịkpụ.
Mgbe ị na-emepụta ihe nzacha nwere gradients njupụta, ọtụtụ isi anwụ anwụ nwere ebe dị anya dị iche iche kwesịrị ịkwado.
7. Akụrụngwa inyeaka
Isi ihe inyeaka nke eriri mmepụta nke meltblown bụ ọkụ na-ehicha ọkụ. Mgbochi oghere ga-eme mgbe emechara isi ihe na-agbaze agbaze ruo oge ụfọdụ. N'oge a, ọ dị mkpa ka edochie isi ihe na-agbaze agbaze.
Ọnwụ gbazere agbaze nke dochie anya kwesịrị ịchụpụ ya iji wepụ polymer na adịghị ọcha nke fọdụrụ na ọnwụ ahụ. A na-esukarị skru na spinnerets iji wepụ ihe ndị fọdụrụ na polymer na adịghị ọcha.
2. Ihe eji eme ihe na-agbaze
Na tiori, ihe niile thermoplastic (oke okpomọkụ na-agbaze, obere okpomọkụ siri ike) polymer mgbawa akụrụngwa nwere ike iji na-agbaze. Polypropylene bụ otu n'ime ihe mgbawa a na-ejikarị eme ihe maka teknụzụ agbaze agbaze. E wezụga nke ahụ, ihe ndị a na-ejikarị polymer eme ihe maka nkà na ụzụ meltblown gụnyere polyester, polyamide, polyethylene, polytetrafluoroethylene, polystyrene, PBT, EMA, EVA, etc. Ụdị polymer na-ekpebi ebe agbaze ya na njirimara rheological. Maka akụrụngwa polymer nke ọ bụla, enwere usoro ịgbaze agbaze kwekọrọ, dị ka okpomoku kpo oku, nha ogologo-na dayameta, ụdị ịghasa, usoro ihicha akụrụngwa, wdg, enwere ụfọdụ ọdịiche.
Olefin polymer raw material (dị ka polypropylene) nwere ogo dị elu nke polymerization, ya mere okpomọkụ okpomọkụ dị elu karịa ebe mgbaze ya 100 ℃ ma ọ bụ karịa nwere ike ịgbaze nke ọma, ebe okpomọkụ okpomọkụ polyester dị ntakịrị elu karịa ebe mgbaze ya nwere ike ịgbaze. Akụrụngwa Olefin n'ozuzu adịghị mkpa ka akpọnwụọ. A ga-akpọcharịrị polyester.
Ihe dị arọ molekụla na nkesa ihe dị arọ nke ngwongwo polymer bụ ihe kachasị mkpa na-emetụta usoro ịgbaze agbaze na arụmọrụ nke akwa akwa na-abụghị nke agbaze.
Maka usoro ịgbaze agbaze, a na-ekwenyekarị na ịdị arọ molekụla dị ala na nkesa dị warara nke akụrụngwa polymer bara uru maka ịdị n'otu nke webụ gbazee. N'ịdị arọ nke molekụla nke polymer, nke dị elu nke na-agbaze agbaze (MFI, index flow index, na-ezo aka n'ịdị arọ nke agbaze nke na-asọpụta na nkeji 10 n'okpuru ụfọdụ nrụgide na okpomọkụ), na ala na-agbaze viscosity, otú ahụ ka ọ dabara adaba.
3.The Ọdịdị na Njirimara nke meltblown na-abụghị kpara akwa
Otu n'ime njirimara nke akwa agbaze agbaze na-abụghị nke a kpara akpa bụ na eriri ahụ dị ntakịrị, ọ na-abụkarị ihe na-erughị 10 μm, na ọtụtụ n'ime eriri ahụ dị mma bụ 1 ruo 4 μm.
Dị iche iche agha na dum spinning akara si meltblown anwụ nozzle ka ngwaọrụ nnata enweghị ike guzozie eguzozie (mmetụta nke na-agbatị ike mgbanwe nke elu okpomọkụ na elu-ọsọ ikuku, ọsọ, na okpomọkụ nke ikuku jụrụ oyi, wdg), nke na-eme ka meltblown eriri dị iche iche nha nke fineness.
Ịdị n'otu nke dayameta eriri na spun bond na-abụghị kpara ákwà webụ dị nnọọ mma karịa nke eriri agbaze agbaze, n'ihi na na spun njikọ usoro, spinning usoro ọnọdụ kwụsiri ike, na drafting na jụrụ ọnọdụ agbanwe agbanwe.
Igwe kristal na nghazi nke eriri gbazere agbaze dị ntakịrị karịa nke usoro ịgbanye agba. Ya mere, ike nke eriri agbaze agbaze adịghị mma, na ike nke eriri eriri adịghịkwa njọ. Ike nke ọtụtụ eriri PP bụ ndị a:

Ike nke ọtụtụ eriri PP
N'ihi ike adịghị mma nke eriri agbaze agbaze, ngwa bara uru nke akwa agbaze agbaze na-abụghị nke a kpara akpa bụ n'ihi njirimara nke eriri ya dị oke mma.
4. ngwa nke meltblown na-abụghị kpara akwa
Ka ọ dị ugbu a, a na-ejikarị akwa anaghị kpara agbaze agbaze maka:
1 ihe nzacha
Nchacha bụ ikewasị ihe dị n'ime gas ma ọ bụ mmiri mmiri.
Usoro nzacha: ntinye nke sieving, nkwụnye electrostatic, ntinye mgbasa ozi, wdg.
A ga-esived irighiri ihe ndị ahụ buru ibu karịa nha pore nke ihe nzacha?
Nnyocha egosiwo na: ihe nzacha nwere oghere dị n'agbata iri na iri microns nwere ike ọnyà uzuzu ruru 1 µm. Iji meziwanye mmetụta sedimentation nke sieve, ọ dị mkpa iji belata pore nha nke ihe nzacha, ya bụ, iji belata ịdị mma nke eriri ma mee ka njupụta nke ihe ahụ dịkwuo elu.
Ihe ndị anaghị kpara agbaze agbaze nwere uru nke eriri dị mma, ọtụtụ pores na obere oghere.
ngwa:
Nzacha gas: ihe mkpuchi ahụike, ihe nzacha maka ikuku ikuku ime ụlọ.
Nzacha mmiri mmiri: nchacha ihe ọṅụṅụ, nzacha mmiri.
Iji meziwanye mmetụta nzacha, enwere ike ibelata ịdị mma fiber na njupụta nke ihe nzacha nwere ike ịba ụba, mana ọ ga-eme ka mmụba dị ukwuu na nzacha nzacha.
Ya mere, ka gbazee ihe na-abụghị nke kpara akpa ka eletrọtically chaja, na nzacha mmetụta ya nwere ike imeziwanye site electrostatic mmetụta, ya bụ, electret ọgwụgwọ.
The electret-emeso meltblown na-abụghị kpara ákwà nwere ogologo-adịte static ọkụ eletrik na ike ịdabere na electrostatic mmetụta na ọnyà ọma uzuzu, otú o nwere uru nke elu filtration arụmọrụ na ala filtration eguzogide.
Polypropylene nwere ihe mgbochi eletrik dị elu (7 × 1010Ω · cm) yana ikike ịgbanye ụgwọ buru ibu. Ọ bụ ihe dị mma maka ịme eriri electret. Nlele na-egosi na mgbe 1440 awa nke nchekwa nke electret-mechara polypropylene meltblown na-abụghị kpara ákwà na a eke ọnọdụ, filtration arụmọrụ na-anọgide na-agbanweghi agbanwe.
Mmetụta nke imecha electret na arụmọrụ filtration na nguzogide nke akwa anaghị kpara agbaze.

Mmetụta nke imecha electret na arụmọrụ filtration na nguzogide nke akwa na-abụghị akwa.
Enwere ike ịhụ na nguzogide nzacha nke agbaze agbaze agbaze anaghị agbanwe agbanwe mgbe emechara electret, mana arụmọrụ filtration emeela ka ọ dị mma nke ukwuu, nke na-enweghị atụ na akwa ndị ọzọ na-enweghị akwa.
2. Ngwa ahụike na ahụike
Ihe mkpuchi ahụike: ihe mejupụtara (SMS) nke ejiri ihe na-agbakọta n'ime ime na elu, yana ihe gbazere n'etiti.
3. Ihe nchekwa gburugburu ebe obibi (ihe na-etinye mmanụ).
Polypropylene meltblown ákwà na-abụghị nke a kpara akpa bụ ihe dị mma na-amịpụta mmanụ n'ihi ihe onwunwe ya na nhazi microfiber. A na-eji ya eme ihe na mba ndị mepere emepe dị ka Europe, America, Japan, wdg, dị ka mmanụ ụgbọ mmiri na-agbapụta, mmanụ na-esi na ngwá ụlọ mmepụta ihe, na ọgwụgwọ nsị.
Polypropylene meltblown ákwà na-abụghị kpara nwere hydrophobic na lipophilic Njirimara, na-eguzogide ọgwụ acid na alkalis siri ike, na nwere ala njupụta karịa mmiri. Mgbe ọ gbasasịrị mmanụ, ọ nwere ike ịfe n'elu mmiri ruo ogologo oge na-enweghị nrụrụ ma nwee ike ịmegharị ya ma chekwaa ya ogologo oge. Polypropylene meltblown na-abụghị kpara akwa na-mere ka mmanụ na-amịkọrọ ụdọ, mmanụ na-amịkọrọ agbụ, mmanụ na-amị ohiri isi, wdg Mfe mmanụ nwere ike iru 10-50 ugboro ibu ya.
4. Ihe eji akwa akwa (ihe na-ekpo ọkụ)
Ihe ndị na-ekpo ọkụ na-ekpo ọkụ kwesịrị inwe ezigbo ihe mkpuchi ọkụ ma nwee ike iji ya ogologo oge na-enweghị ịgbanwe ihe mkpuchi ọkụ ha.
Nnwale na-egosi na nhazi eriri eriri fiber bụ otu n'ime isi ihe na-emetụta ọrụ nnyefe ọkụ nke ihe mkpuchi ọkụ.
Maka ihe mkpuchi ihe na-ekpo ọkụ na-agbaze agbaze, ọkpụkpụ ya na-enwe mmetụta dị nta na ikuku ikuku, ebe ikuku ikuku nke polyester fiber flakes na-abawanye ngwa ngwa ka ọkpụkpụ na-ebelata. Ya mere, ihe mkpuchi ọkụ na-agbaze agbaze na-enwe ike iguzogide ifufe.
5. Ihe nkesa batrị
Ihe diaphragm bụ ihe dị mkpa nke batrị ma na-etinyekarị n'etiti efere dị mma na nke na-adịghị mma. Isi ọrụ bụ ikpuchi efere dị mma na nke na-adịghị mma iji hụ na mmiri nke dielectric na-asọ.
Ihe polypropylene nwere ezigbo acid na nguzogide alkali. Polypropylene meltblown diaphragm ihe nwere njirimara nke obere pore nha, nnukwu porosity, obere nguzogide, na mgbanwe ngwaahịa dị iche iche.
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