A cikin tsarin samar da maras ɗin da ba a saka ba, abubuwa daban-daban na iya shafar kaddarorin zahiri na samfuran.
Binciken manyan abubuwan da ke shafar kaddarorin masana'anta yana taimakawa don sarrafa yanayin tsari daidai da samun kyawawan PP spunbonded nonwovens tare da ingantacciyar inganci don dacewa da cancantar abokan ciniki.
1.Polypropylene nau'in: narke index da kwayoyin nauyi
Babban ma'auni mai inganci na kayan polypropylene sune nauyin kwayoyin halitta, rarraba nauyin kwayoyin halitta, isotacticity, narke index da abun cikin ash.
Masu samar da polypropylene suna cikin saman sarkar filastik, suna samar da albarkatun polypropylene akan nau'o'i daban-daban da ƙayyadaddun bayanai.
Don yin spunbond mara sakan, nauyin kwayoyin polypropylene yawanci a kewayon 100,000-250,000.Duk da haka, an tabbatar da cewa kayan narke yana aiki mafi kyau lokacin da nauyin kwayoyin halitta ya kusan 120000. Matsakaicin saurin juzu'i kuma yana da girma a wannan matakin.
Indexididdigar narkewa shine siga da ke nuna halayen rheological na narkewa.Fihirisar narkewa na PP don spunbond yawanci tsakanin 10 da 50.
Thearamin narke index shine, mafi muni da yawan ruwa shine, ƙaramin tsarin tsarawa shine, kuma mafi girman girman fiber wanda ke ƙarƙashin yanayin fitowar narke iri ɗaya daga spinneret, don haka nonwovens yana nuna ƙarin ƙarfin hannun hannu.
Lokacin da narke index ya fi girma, danko na narkewa yana raguwa, dukiyar rheological ya zo mafi kyau, kuma juriya na ƙira yana raguwa.A ƙarƙashin yanayin aiki iri ɗaya, ƙirƙira da yawa yana ƙaruwa.Tare da haɓaka matakin daidaitawa na macromolecules, za a inganta ƙarfin karyewar da ba a saka ba, kuma za a rage girman yarn, kuma masana'anta za su ji taushi.Tare da wannan tsari, mafi girman ma'aunin narkewa, ƙarfin karyewa ya yi kyau sosai. .
2. Zazzabi mai jujjuyawa
Saitin zafin jiki na juyi ya dogara da ma'aunin narkewar kayan albarkatun ƙasa da buƙatun kayan samfura na zahiri.Mafi girman ma'aunin narkewa yana buƙatar mafi girman zafin jiki, kuma akasin haka.Zazzabi mai jujjuyawa yana da alaƙa kai tsaye da narkewar danko.Saboda babban danko na narkewa, yana da wuya a jujjuya, wanda ya haifar da karye, ƙwanƙwasa ko ƙarancin yarn, wanda ke shafar ingancin samfuran.
Saboda haka, domin rage danko na narkewa da kuma inganta rheological Properties na narkewa, ƙara yawan zafin jiki ne kullum soma.Yanayin zafin jiki yana da babban tasiri akan tsari da kaddarorin zaruruwa.
Lokacin da zafin jiki mai juyi ya saita mafi girma, ƙarfin karyewa ya fi girma, raguwar elongation ya fi ƙanƙanta, kuma masana'anta suna jin taushi.
A aikace, yawan zafin jiki yana saita 220-230 ℃.
3. Yawan sanyaya
A cikin samar da nau'ikan da ba a saka ba, yanayin sanyaya na yarn yana da babban tasiri akan kaddarorin jiki na maras saka.
Idan fiber ya kwantar da hankali sannu a hankali, yana samun tsarin crystal monoclinic, wanda ba shi da amfani ga zaruruwa don zana.Saboda haka, a cikin tsarin gyare-gyare, hanyar da za ta ƙara yawan ƙarar iska mai sanyaya da rage yawan zafin jiki na ɗakin juyawa yawanci ana amfani dashi don ingantawa. karya ƙarfi da rage elongation na spunbonded da ba saka masana'anta.Bugu da kari, nisan sanyaya na yarn shima yana da alaƙa da kaddarorin sa.A cikin samar da yadudduka da ba a saka ba, nisan sanyaya gabaɗaya tsakanin 50 cm zuwa 60 cm.
4. Sharuɗɗan Zayyana
Matsayin daidaitawa na sarkar kwayoyin halitta a cikin filament wani muhimmin al'amari ne da ke shafar raguwar haɓakar monofilament.
Za'a iya inganta daidaituwa da karyewar ƙarfin saƙar da ba a saka ba ta hanyar ƙara ƙarar iska mai tsotsa.Duk da haka, idan tsotsa iska girma ya yi girma, yana da sauƙi don karya yarn, kuma daftarin yana da tsanani sosai, yanayin yanayin polymer yana da kyau ya zama cikakke, kuma crystallinity na polymer ya yi yawa, wanda zai rage yawan zafin jiki. tasiri ƙarfi da elongation a karya, da kuma ƙara brittleness, haifar da rage da ƙarfi da elongation na wadanda ba saka masana'anta.Ana iya ganin cewa ƙarfi da elongation na spunbonded nonwovens karuwa da raguwa akai-akai tare da karuwa da tsotsa iska girma.A cikin ainihin samarwa, dole ne a daidaita tsarin bisa ga buƙatu da ainihin halin da ake ciki don samun samfuran inganci.
5. Zazzabi mai zafi
Bayan gidan yanar gizo da aka kirkira ta hanyar zane, sako-sako ne kuma dole ne a haɗa shi ta hanyar birgima mai zafi.Makullin shine sarrafa zafin jiki da matsa lamba.Ayyukan dumama shine don laushi da narke fiber.Matsakaicin filaye masu laushi da haɗe-haɗe suna ƙayyade kaddarorin zahiri na masana'anta na PP spunbond mara saƙa.
Lokacin da yawan zafin jiki ya fara raguwa sosai, kawai ƙananan fibers tare da ƙananan nauyin kwayoyin halitta suna yin laushi da narke, ƙananan zaruruwa suna haɗuwa tare a ƙarƙashin matsin lamba. Fiber a cikin gidan yanar gizon yana da sauƙi don zamewa, ƙarfin karya na masana'anta maras saka yana da ƙananan kuma elongation yana da girma, kuma masana'anta suna jin taushi amma zai yiwu ya zama fuzz;
Lokacin da zafin mirgina mai zafi ya ƙaru, adadin fiber mai laushi da narkewa yana ƙaruwa, gidan yanar gizon fiber yana ɗaure a hankali, ba sauƙin zamewa ba.Ƙarfin karya na kayan da ba a saka ba yana ƙaruwa, kuma elongation har yanzu yana da girma.Bugu da ƙari, saboda ƙaƙƙarfan alaƙa tsakanin fibers, elongation yana ƙaruwa kaɗan;
Lokacin da yawan zafin jiki ya tashi sosai, ƙarfin nonwovens ya fara raguwa, elongation kuma yana raguwa sosai, kuna jin masana'anta ta zama tauri kuma tana raguwa, ƙarfin hawaye yana raguwa.Don ƙananan kauri abubuwa, akwai ƙarancin fibers a wurin juyawa mai zafi da ƙasa da ƙasa. zafi da ake buƙata don laushi da narkewa, don haka zafin mirgina mai zafi yakamata ya saita ƙasa.Daidai, don abubuwa masu kauri, zafi mai zafi ya fi girma.
6. Matsin mirgina mai zafi
A cikin tsarin haɗin kai na mirgina mai zafi, aikin matsin layin niƙa mai zafi shine sanya laushin da narkewar zaruruwa su yi haɗin gwiwa tare a hankali, ƙara haɗin kai tsakanin zaruruwan, da sa zaruruwan ba su da sauƙin zamewa.
Lokacin da matsin layin da aka yi zafi ya yi ƙasa kaɗan, ƙarancin fiber a wurin latsawa ba shi da kyau, saurin haɗin fiber ɗin ba shi da ƙarfi, kuma haɗin kai tsakanin zaruruwa ba shi da kyau.A wannan lokacin, hannun ji na spunbonded ba saƙa masana'anta ne in mun gwada da taushi, da elongation a karya ne in mun gwada da girma, amma karya ƙarfi ne in mun gwada da low;
akasin haka, lokacin da matsa lamba na layi ya yi girma, jin daɗin hannu na spunbonded ba saƙa masana'anta ne in mun gwada da wuya, da elongation a karya ne in mun gwada da low Amma karya ƙarfi ne mafi girma.Saitin matsa lamba mai zafi yana da alaƙa da nauyi da kauri na yadudduka da ba a saka ba.Don samar da samfuran da suka dace da buƙatun aikin, ya zama dole don zaɓar matsa lamba mai zafi mai dacewa daidai da buƙatun.
A cikin kalma, kaddarorin jiki na yadudduka da ba a saka su ne sakamakon hulɗar abubuwa da yawa. Ko da kauri iri ɗaya, amfani da masana'anta daban-daban na iya buƙatar tsarin fasaha daban-daban. Shi ya sa aka tambayi laifin abokin ciniki amfani da masana'anta. Zai taimaka wa mai siyarwa. shirya samar da takamaiman manufa da kuma samar da masoyi abokin ciniki mafi gamsu nonwoven masana'anta.
Kamar yadda 17 shekaru manufacturer, Fuzhou Heng Hua New Material Co., Ltd.ne m samar masana'anta bisa ga abokan ciniki' bukatar.Muna fitarwa zuwa ƙasashe da yankuna daban-daban kuma masu amfani sun yaba da mu sosai.
Barka da tuntubar mu kuma fara haɗin gwiwa na dogon lokaci tare da Henghua Nonwoven!
Lokacin aikawa: Afrilu-16-2021
