Ka'idar samar da masana'anta mai narkewa
Narkewar masana'anta wani abu ne wanda ke narkar da polymers a yanayin zafi mai yawa sannan kuma ya fesa su cikin zaruruwa a ƙarƙashin matsin lamba. Waɗannan zaruruwa suna saurin yin sanyi da ƙarfi a cikin iska, suna samar da babbar hanyar sadarwa ta fiber mai inganci. Wannan kayan ba wai kawai yana da kyakkyawan aikin tacewa ba, har ma yana da nauyi da numfashi, yana sa ya dace sosai don amfani da kayan kariya kamar masks.
Babban albarkatun kasa don yadudduka narke
Babban albarkatun kasa don masana'anta na narkewa shine polypropylene, wanda aka fi sani da kayan PP. A halin yanzu, abin rufe fuska na masana'anta na yau da kullun akan kasuwa suna amfani da masana'anta na polypropylene meltblown azaman kayan tacewa. Dalilin zabar polypropylene a matsayin babban kayan albarkatun kasa shine cewa yana da kyakkyawan aikin sarrafawa da fa'idodin farashi, kuma yana da alaƙa da muhalli.
Bugu da ƙari ga polypropylene, ana iya yin yadudduka na narkewa da wasu kayan kamar polyester, nailan, lilin, da dai sauransu. Duk da haka, idan aka kwatanta da polypropylene, waɗannan kayan suna da farashi mafi girma ko rashin aikin sarrafawa, wanda ya sa su kasa dacewa da samar da manyan sikelin.
Ana amfani da polypropylene ko'ina a cikin fasahar narke hurawa saboda yana da fa'idodi masu zuwa
1. Ana iya sarrafa danko na polymer ta hanyar amfani da oxidants ko peroxides a cikin tsari na extrusion, ko ta hanyar injiniyar shearing extruder ko sarrafa zafin aiki don cimma lalacewar thermal, don daidaita danko na narkewa.
2. The kwayoyin nauyi rarraba za a iya sarrafa ta narke hura maras saka masana'anta tsari, wanda na bukatar in mun gwada da kunkuntar kwayoyin nauyi rarraba domin samar da uniform ultrafine zaruruwa. Ta hanyar amfani da sabbin fasahohi kamar masu kara kuzari kamar metallocene, ana iya samar da polymers tare da babban ma'aunin narkewa da kunkuntar rarraba nauyin kwayoyin halitta.
3. Matsayi mafi girma na narkewa ya isa don juriya na zafi na polypropylene don yawancin aikace-aikacen samfurin, kuma yana da nau'i mai yawa na narke propylene. Girma, don haka, yana da fa'ida sosai ga aikin haɗin kai da aka saba amfani da shi a cikin fasahar masana'anta mara saƙa.
4. Yana da amfani don samar da ultrafine fibers. Idan danko na polypropylene yana da ƙasa kuma rarraba nauyin kwayoyin halitta ya kasance kunkuntar, ana iya sanya shi cikin filaye masu kyau a ƙarƙashin yanayin amfani da makamashi iri ɗaya da kuma shimfidawa a cikin tsarin narkar da iska. Saboda haka, na kowa fiber diamita na polypropylene narke hura maras saka masana'anta ne 2-5um, ko ma finer.
5. Saboda yin amfani da zane mai zafi mai zafi mai zafi a cikin tsari mai narkewa, ana buƙatar yin amfani da polymers tare da ma'anar narke mafi girma, wanda ke da amfani don ƙara yawan samarwa da rage yawan amfani da makamashi. A halin yanzu, kwakwalwan kwamfuta da aka fi amfani da su na polypropylene suna da ma'aunin narkewa na 400-1200g/10min da kunkuntar nauyin kwayoyin halitta don samar da filaye na ultrafine tare da ƙimar layin da ake buƙata.
6. The polypropylene kwakwalwan kwamfuta amfani da narke hura samarwa da kuma aiki ya kamata a yi high da uniform narke index, kunkuntar kwayoyin nauyi rarraba, mai kyau narke hura halaye, da kuma uniform da barga guntu ingancin tabbatar da aiwatar da kwanciyar hankali na narke hura nonwoven kayan.
Kariya don samar da masana'anta na narkewa
Yayin aiwatar da masana'anta na narkewa, ya kamata a lura da waɗannan abubuwan:
1. Zaɓin kayan ya kamata ya zama cikakke mai tsabta: Kamar yadda masana'anta na narkewa suna buƙatar ɗaukar tasirin tacewa, wajibi ne a zaɓi kayan da suke da isasshen tsabta lokacin zabar albarkatun ƙasa. Idan akwai datti da yawa, zai shafi aikin tacewa na masana'anta na narkewa.
2. Sarrafa zafin jiki da matsa lamba: Ya kamata a saita zafin aiki da matsa lamba bisa ga nau'in albarkatun ƙasa don tabbatar da ingancin fiber forming.
3. Tabbatar da tsabta a cikin yanayin samarwa: Kamar yadda ake amfani da masana'anta na narkewa don samar da kayan kariya irin su masks, tsabta a cikin yanayin samarwa yana da mahimmanci. Wajibi ne a tabbatar da tsaftar bitar samarwa don guje wa gurɓata samfuran.
Dongguan Liansheng Non saka Technology Co., Ltd.an kafa shi a watan Mayu 2020. Babban kamfani ne wanda ba sa saka masana'anta wanda ke haɗa bincike da haɓakawa, samarwa, da tallace-tallace. Yana iya samar da launuka daban-daban na PP spunbond yadudduka maras saka tare da faɗin kasa da mita 3.2 daga gram 9 zuwa 300.
Lokacin aikawa: Nuwamba-08-2024