Dukansu spunbond da meltblown fasahohi ne na tsari don kera masana'anta da ba a saka ba ta amfani da polymers azaman albarkatun ƙasa, kuma babban bambance-bambancen su yana cikin jihar da hanyoyin sarrafa polymers.
Ka'idar spunbond da meltblown
Spunbond yana nufin masana'anta mara saƙa da aka yi ta hanyar fitar da kayan polymer a cikin narkakkar, fesa narkakkar kayan akan rotor ko bututun ƙarfe, miƙewa da sauri da ƙarfi a cikin narkakkarwar don samar da kayan fibrous, sa'an nan kuma haɗawa da haɗa zaruruwan ta hanyar bel ɗin raga ko kadi na lantarki. Ka'idar ita ce fitar da polymer ɗin da aka narkar da shi ta hanyar extruder, sannan a bi matakai da yawa kamar sanyaya, shimfiɗawa, da shimfiɗar jagora zuwa ƙarshe samar da masana'anta mara saƙa.
Meltblown tsari ne na fesa kayan polymer daga narkakkar yanayi ta hanyar nozzles masu sauri. Saboda tasiri da sanyaya iska mai saurin gudu, kayan polymer da sauri suna ƙarfafa cikin filaments kuma suna watsawa cikin iska. Sa'an nan, ta hanyar saukowa na halitta ko sarrafa rigar, a ƙarshe an samar da kyallen fiber mai kyau mara saƙa. Ka'idar ita ce a fesa kayan polymer narkar da zafin jiki mai zafi, shimfiɗa su cikin zaruruwa masu kyau ta hanyar iskar iska mai saurin gaske, da sauri ƙarfafa su zuwa samfuran balagagge a cikin iska, suna samar da kayan masana'anta masu kyau waɗanda ba saƙa.
Bambanci tsakanin narke hura maras saka masana'anta da spunbond mara saƙa masana'anta
Daban-daban hanyoyin masana'antu
Narke busa da ba saƙa masana'anta ana kerarre ta hanyar narka fasahar fesa, inda polymer kayan da aka narkar da kuma fesa a kan wani samfuri, yayin da spunbond mara saƙa masana'anta da ake sarrafa a cikin mara saƙa masana'anta ta hanyar narka sinadarai zaruruwa a cikin m zaruruwa ta hanyar ƙarfi mataki ko high zafin jiki, sa'an nan sarrafa cikin maras saka masana'anta ta hanyar inji ko sinadaran halayen.
Daban-daban fasahohin tsari
(1) Abubuwan da ake buƙata don albarkatun ƙasa sun bambanta. Spunbond yana buƙatar MFI na 20-40g/min don PP, yayin da busa narke yana buƙatar 400-1200g/min.
(2) Zazzabi na juyawa ya bambanta. Narkar da aka hura yana da 50-80 ℃ sama da juzu'in spunbond.
(3) Gudun saurin zaruruwa ya bambanta. Spunbond 6000m/min, narke hura 30km/min.
(4) Abin farin ciki, nisa ba ya da santsi. Spunbond 2-4m, narke hura 10-30cm.
(5) Yanayin sanyi da mikewa sun bambanta. Ana zana fibers na spunbond ta amfani da iska mai sanyi 16 ℃ tare da matsi mai kyau / mara kyau, yayin da ake busa fis ta amfani da wurin zama mai zafi tare da zazzabi kusa da 200 ℃.
Bambance-bambance a cikin kaddarorin jiki
Spunbond yaduddukasuna da ƙarfin karyawa da haɓakawa fiye da yadudduka narke, wanda ke haifar da ƙananan farashi. Amma ji na hannu da rigunan rigunan fiber iri ɗaya ba su da kyau.
Narkewar masana'anta yana da laushi da taushi, tare da ingantaccen tacewa, ƙarancin juriya, da kyakkyawan aikin shinge. Amma ƙananan ƙarfi da rashin ƙarfi juriya.
Kwatanta halayen tsari
Ɗaya daga cikin sifofin narkar da yadudduka waɗanda ba a saka ba shine cewa ƙarancin fiber ɗin yana da ƙanƙanta, yawanci ƙasa da 10um (micrometers), tare da yawancin zaruruwa suna da kyau tsakanin 1-4um. Daban-daban dakaru a kan dukkan layin juyi daga bututun ƙarfe na narkewar suna mutuwa zuwa na'urar karɓa ba za su iya kiyaye daidaito ba (kamar jujjuyawar ƙarfi na yanayin zafi da saurin iska, saurin da zazzabi na iska mai sanyaya, da sauransu), yana haifar da bambance-bambancen fineness na narke zaruruwa.
Daidaitaccen diamita na fiber a cikin gidan yanar gizon masana'anta mara amfani da spunbond ya fi na narke zaruruwan zaruruwa, saboda a cikin tsarin spunbond, yanayin aiwatar da juzu'i yana daidaitawa, kuma yanayin shimfidawa da sanyaya suna canzawa sosai.
Kwatanta Digiri na Crystallization da Orientation
Ƙa'idar crystallinity da daidaitawar zaruruwan da aka hura narke sun fi na filayen spunbond. Saboda haka, ƙarfin narkar da zaruruwan da aka hura ba su da kyau, kuma ƙarfin yanar gizon fiber ɗin ma ba shi da kyau. Saboda ƙarancin fiber ƙarfi na narke hura nonwoven yadudduka, ainihin aikace-aikacen narke hura nonwoven yadudduka yafi dogara a kan halaye na ultrafine zaruruwa.
Kwatanta tsakanin narke spun zaruruwa da spunbond zaruruwa
A, Tsawon fiber - spunbond dogon fiber ne, meltblown gajeriyar fiber ne
B, Ƙarfin fiber - ƙarfin fiber spunbond> ƙarfin fiber narke
Fiber fineness - Narkar da zaruruwan suna da kyau fiye da zaruruwan spunbond
Daban-daban yanayin aikace-aikace
Filayen aikace-aikacen spunbond da meltblown suma sun bambanta. Yawancin lokaci, spunbond yadudduka ana amfani da su ne musamman don tsabtace muhalli da samfuran masana'antu, kamar su adibas ɗin tsafta, abin rufe fuska, zane mai tacewa, da sauransu. Ana amfani da yadudduka na narkewa galibi a cikin kayan aikin likita, abin rufe fuska da sauran fannoni. Saboda siriri da tsari mai yawa, yadudduka narke suna da ingantattun tasirin tacewa kuma suna iya fitaccen tace barbashi masu kyau da ƙwayoyin cuta.
Kwatankwacin farashi tsakanin spunbond da meltblown
Akwai babban bambanci a farashin samarwa tsakanin spunbond da meltblown. Farashin samar da spunbond yana da inganci saboda yana buƙatar ƙarin makamashi da farashin kayan aiki. A lokaci guda kuma, saboda ƙananan zaruruwa, yadudduka da spunbond ke samarwa suna da wuyar hannu kuma sun fi wuya a karɓa ta kasuwa.
Akasin haka, farashin samarwa na narkewa yana da ɗan ƙaramin ƙarfi saboda yana iya rage farashi ta hanyar samarwa da sarrafa kansa da yawa. A lokaci guda kuma, saboda mafi kyawun zaruruwa, kayan da aka narke suna da taushi da kuma jin daɗin taɓawa, wanda zai fi dacewa da buƙatun kasuwa.
【 Kammalawa】
Narkar da masana'anta mara saƙa daspunbond nonwoven masana'antairi biyu ne daban-daban na nonwoven kayan da daban-daban masana'antu matakai da halaye. Dangane da aikace-aikace da zaɓi, ya zama dole a yi la'akari da ainihin buƙatu da yanayin amfani, kuma zaɓi mafi dacewa kayan masana'anta mara saƙa.
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: Satumba-07-2024