Masikimachira asiri akarukwa, ari machira asina kurukwa achipikisana nemucheka, uye anoumbwa negwara kana shinda dzisina kurongeka.
Masks ekurapa anowanzo mativi ane matinji akawanda, anowanzo kunzi maSMS zvimiro (2 S uye 1 M layers) .Parizvino, nhamba yepamusoro yezvikamu muChina i5, zvinoti SMMMS (2 S layers uye 3 M layers).
Chii chinonzi SMS?
Pano, S inomirira Spunbond layer. Iyo dhayamita yefiber inenge yakakora, inenge 20 microns (m). Basa guru rezvikamu zve 2 S Spunbond ndere kutsigira iyo yose isiri-yakarukwa yejira yakagadzirwa, iyo isina simba guru pane chipingamupinyi.Chikamu chinonyanya kukosha chemasikisi chivharo chekudzivirira kana Meltblown layer M (Meltblown layer). Iyo dhayamita yeyakanyungudutswa yekupfapfaidza layer yakatetepa, ingangoita 2 microns (M), saka ingori chikamu chimwe chete mugumi chedhayamita yespunbonding layer, iyo inoita basa rakakosha mukudzivirira mabhakitiriya uye kupinda kweropa.
Masiki ekurapa anowanzo shandisa jira rakanyunguduka rinorema magiramu makumi maviri, N95 kapu masks anoshandisa jira rekupfapfaidza rakanyunguduka rinorema magiramu makumi mana kana kupfuura.
Zvinoenderana nehuwandu hweChina Industrial Textile Industry Association, pakupera kwa2018, kune 1,477 mudzimba spunbonded mitsara yekugadzira, makumi matanhatu neshanu kupfuura yegore rapfuura, nekuwedzera kwegore negore kwe4.6%, pakati payo, PP. spunbonded non-wovens production line inowedzerwa ne3.38%, SMS composite mutsara wekugadzira neinoda kusvika 13%, uye PET. spunbonded non-wovens production line ne 9.32%.Huwandu hwemakambani ane gore negore kubuda kudarika matani 50,000 akawedzerawo kubva muna 2017.Spunbonded enterprises arikuchimbidza budiriro yawo kusvika pachiyero, kusimbaradza nepamusoro-soro kuzadzisa kudiwa kwemusika kwekuvandudzwa kwechigadzirwa uye tekinoroji. upgrading.
Kubva 2018, mabhizinesi mazhinji epamba akagadzira zvigadzirwa zvawo munzira yekureruka, kutetepa uye kuita kwepamusoro, uye akawana mhedzisiro yakanaka. chiedza chakagadzikana zvigadzirwa zvinoramba zvichibuda.
Ko jira reSMS risiri rakarukwa rinobva kupi?
SMS machira asina kurukwainonyanya kugadzirwa kubva ku polypropylene PP (ine yakasikwa bacteriostatic properties uye hydrophobicity), uye dhayamita yefibers inogona kusvika 0.5-10 microns. Aya ma ultrafine faibha ane capillarity akasiyana anowedzera huwandu uye pamusoro penzvimbo yefiber pachikamu chimwe chete, nekudaro kuita kuti machira akanyunguduka ave nemhepo yakanaka yekusefa zvinhu, zvichiita kuti ive yakanaka masiki zvinhu.
Parizvino, kune matatu maitiro makuru ekugadzira zvigadzirwa zveSMS (SMS isiri-yakarukwa jira) : "imwe-nhanho process", "matanho maviri-maitiro" uye "imwe-nehafu-nhanho nhanho".
Imwe-nhanho maficha ndiko kushandiswa kwechikamu chezvigadzirwa zvemhando iyi, uchishandisa maviri akarukana-akasungirirwa, akanyunguduka-yakanyunguduka tekinoroji, yakananga kutenderedza mbishi mushure mekunyunguduka mumambure, sekunge kurongeka kwakasiyana kwemaitiro eku spinning masisitimu enjiniya, uye inogona kugadzira zvigadzirwa zvine chimiro chakasiyana, jira rega rega laminated composite, rinowanzo kuve neinopisa inotenderedza chigayo kubatanidzwa mumucheka." Imwe-nhanho nzira" inoratidzwa nekunyungudika yakananga kutenderera mukati. mambure, mamiriro ega ega ekutenderera sisitimu inogona kugadziridzwa yakazvimirira, maitiro ekugadzira ekutonga kwakasimba, hutano hwakanaka, kukurumidza kukurumidza, inogona kugadzirisa chikamu chega rega refiber net, inogona kugadzira SMS mhando zvigadzirwa zveakasiyana zvirevo, ndiyo main technology nhasi.
Maitiro maviri-matanho: Paunenge uchishandisa nhanho mbiri kugadzira zvigadzirwa zveSMS, zvigadzirwa zvakapedzwa zvejira rakarukwa uye jira rakanyungudutswa rakanyungudutswa mune imwe kurongeka, uyezve laminated munhevedzano, zvobva zvabatanidzwa neguyo rinopisa, uye yakabatanidzwa muzvigadzirwa zveSMS.Nzira mbiri-nhanho inoratidzwa nemidziyo yakapfava uye yakaderera mutengo.Kutaura zvazviri, "nhanho mbiri" nzira ndiyo inoshandiswa zvakanyanya lamination composite tekinoroji, asi. zvakare inogona kuve musanganiswa wezvimwe zvinhu, nezvimwe zvakasiyana zvimwe zvinhu, uye nenzira dzakasiyana, senge ultrasonic, inopisa inonyungudutsa inonamatira matatu akaturikidzana ezvigadzirwa pamwechete.
Imwe-nehafu-nhanho nzira: mune maviri-nhanho nzira, zvakare zvinogoneka kutsiva yakanyungudutswa yekupfapfaidza jira chigadzirwa neyakanyungudutswa yekupfapfaidza layer fiber mambure inogadzirwa mumunda, nekudaro yakabva yanzi "imwe-hafu nhanho. Method" composite process. Jira rakarukwa rinoshandiswa sechitubu chepasi uye chepamusoro chepamusoro nemidziyo miviri yekusunungura, uye iyo inonyunguduka ichipfapfaidza faibha mambure epakati peturu inorukwa kuita mambure neyakanyunguduka spraying system, yakaiswa pazasi pejira rakarukwa, uyezve yakafukidzwa nepamusoro pejira rakarukwa, zviri nani kushandisa chigayo chinopisa chakabatanidzwa muzvigadzirwa zveSMS.
Nguva yekutumira: Sep-14-2020