I-Suko yingcali ye-PP eyenza oomatshini abanyibilikayo kunye nababoneleli kwaye sizisombulule iingxaki ezininzi zokugunyazisa oomatshini kubathengi bethu.Siye sashwankathela iingxaki ezahlukeneyo ezinokuthi zenzeke ngexesha lokunyuswa komatshini wokunyibilika, kwaye sabelane ngazo kunye nabo bonke abahlobo abakwishishini.
Ngokusasazeka kweI-COVID 19kwihlabathi, njengeyona nto ingundoqo yeemaski zobuso ezikhuselayo kwezonyango - theilaphu elinyibilikayo, uye waba ngumlinganiswa oyintloko wemarike ye-COVID-19 ebhubhane.
I-melt-blown iveliswa ngesantya esiphezulu sokuhamba komoya oshushu ukuze wolule ngokukhawuleza kwaye uqinise i-polymer melt esandul 'ukukhutshwa ukuze yenze indlela yokujikeleza.Inzuzo kukuba ukuhamba kwenkqubo kufutshane, kwaye isambatho esingalukiweyo sinokuveliswa ngokuthe ngqo ngokujikeleza.Ububi kukuba izixhobo kufuneka zigunyaziswe.
USuko unobuchuleOomatshini abanyibilikayo bePPumenzi kunye nomboneleli kwaye sisombulule iingxaki ezininzi zokugunyazisa oomatshini kubathengi bethu.
Siye sashwankathela iingxaki ezahlukeneyo ezinokuthi zenzeke ngexesha lokugunyaziswa koomatshini, kwaye sabelane ngazo kunye nabo bonke abahlobo abakwishishini.
Intshayelelo emfutshanekweMiqhunyiwe Mhayi
I-polymer enyibilikayo ekhutshwe nge-screw extruder ifafazwe ngesantya esiphezulu kunye nomoya wobushushu obuphezulu ukuze umjelo wokunyibilika wolule kakhulu ukwenza imicu ye-ultra-fine.Ezi ntsinga zicolekileyo kakhulu zijikwa kwirola ukwenza ilaphu lokucoca elingalukwanga.
Inkqubo yokuhamba: Ukutya komgubo wepolymer → inyibilika i-extrusion → ukwakheka kwefayibha → ukupholisa ifayibha → ukomelezwa kokuncamathelisa → ukusikwa ukujija → ilaphu lesihluzo esingalukwanga.
Amanyathelo kaMiqhunyiweMhayiCukushiya
1. Beka kubushushu obuphezulu kunye noxinzelelo lomoya ukwenza umatshini onyibilikayo utshize ilaphu elithambileyo.
2. Emva koko lungisa kakuhle ubushushu bokufa kunye nomoya oshushu de ilaphu lizive liqinile.
3. Rekhoda ubushushu bokufa kunye nobushushu bendawo nganye yesikrufu.
4. Lungisa kakuhle uxinzelelo lomoya, isantya sokujija kunye nesixa sokunyibilika ukuze wenze ilaphu lithambe kwakhona.
5. Lungisa isantya sokuvala ukwenza ubunzima belaphu bufikelele kumgangatho.
6. Yongeza ii-electrets ezimbini ngokwesantya somqokeleli welaphu.Ngokubanzi, i-electret yi-5-7 cm kude nelaphu, kwaye i-static voltage yi-40kv-60kv.Ukuba isantya somqokeleli welaphu siyacotha, yongeza nje i-electret emileyo.
Imimiselo yeParameter yokuqala
1. Ubushushu be-Screw: setha i-190℃ kwindawo yokuqala, i-200℃ kwindawo yesibini, i-210℃ kwindawo yesithathu, njl.
2. Die iqondo lobushushu intloko: 250℃ (ngokubanzi 240-255℃).
3. Ubushushu bephakheji yokufudumeza: ubushushu bangaphakathi 300 ℃, i-outlet iqondo lokushisa lomoya oshushu 270 ℃.
4. Umshicileli womnatha okhawulezayo, impompo yokulinganisa, isihluzo sentloko yokufa: 240℃.
5. Uxinzelelo lomoya oshushu: 0.2-0.4MPa.Izinto eziqhelekileyo zePP ezinyibilikayo, uxinzelelo lomoya lunokusetwa kwi-0.2-0.3MPa.Uxinzelelo lomoya wezinto ezijikeleze i-1300 lunokuba phezulu.Seta uxinzelelo lomoya ngokweematshini ezahlukeneyo zokunyibilika kunye neentloko zokufa.
6. Ilaphu elinyibilikayo liqokelela umgama: 15-25 cm, ubukhulu becala yi-15-20 cm.
7. Ubungakanani be-air outlet bufana nomgama ukusuka kwincam ye-spinneret ukuya kwindiza, 1-2mm.
8. Isantya se-screw siphakathi okanye sincinci (uxinzelelo lomoya omncinci, umthamo omncinci we-extrusion, uxinzelelo lomoya omkhulu, umthamo omkhulu we-extrusion).
Ukuphatha ngaphandle
1. Ukuba ilaphu elinyibilikayo alikathambanga phantsi kobushushu obuphezulu, iingxaki zingabandakanya: a.ingxaki yesivamvo sobushushu;b.ingxaki yokulawula ubushushu.Ukuba ezi ngxaki zimbini ziphelisiwe, unokunyusa ubushushu de kuphume ilaphu elithambileyo elinyibilikayo.Qaphela ukuba ukushisa okugqithisileyo kuya kubangela i-crystallization phenomena.
2. Izixhobo ezinkulu ezinyibilikayo zisebenzisa izinto ezinyibilikayo ezinokunyibilika malunga ne-1500, kunye nezixhobo ezincinci zingasebenzisa izinto ezinyibilikayo ezijikeleze i-1300.
3. Ukuba ubushushu bokufa bubekwe malunga ne-210-230℃, kwaye uxinzelelo lomoya lungaphantsi kwe-0.2Mpa, umatshini uya kuba nesiganeko sezinto eziphaphazelayo, ezinokuthi zingaqhelekanga kule miba ilandelayo: a.ingxaki yesivamvo sobushushu;b.ingxaki yoxinzelelo lomoya;c.ubungakanani kunye ne-engile ye-outlet yomoya ayiqhelekanga.
4. Ukuba ilaphu elinyityilisiweyo alikathambanga okanye liqala ukuba rhabaxa xa lidityaniswe kwiqondo lobushushu eliphezulu kakhulu, ilaphu liya kuqalisa ukuthamba emva kokwandisa ubushushu bokuqhuba.Uninzi lwezizathu ziingxaki zomatshini onyibilikayo.Kucetyiswa ukuba uqhagamshelane nomenzi wezixhobo.Ngokuqinisekileyo, kuyimfuneko ukulawula ukuba kukho iingxaki ezinzulu zomgangatho kunye nezixhobo.
5. Ukongezwa kwe-electret master batch kwimveliso ngokubanzi kufuna ukulungiswa kweparameter yenkqubo efanelekileyo ukuyifanisa.Ukusebenzisa iibhetshi ze-electret master ezahlukeneyo, useto lweparameter yenkqubo yomatshini ofanayo onyibilikayo uyahluka.Ungabhekisa kule nkqubo yohlengahlengiso ingentla ukulungelelanisa ilaphu elinyibilikisiweyo ukuya kwelona nqanaba lilungileyo, uze uthelekise kwaye uvavanye ukusebenza.
6. Okukhona ubuninzi bebhetshi ye-electret master, ingcono isiphumo se-electrestatic.Kodwa emva kokufikelela kwi-6%, umphumo unyuke.Okukhona uphezulu umlinganiselo wokongezwa, kokukhona umphumo uba mkhulu kwilaphu elingalukwanga elinyibilikisiweyo eligqityiweyo.
Ingxelo yeukunciphisa i-ctrostatic
- Emva kokuba ilaphu elinyityilisiweyo liphathwe nge-electret, zombini i-electret master batch kunye nezinto zePP zinokuhlawuliswa ngombane ongatshintshiyo.Umbane osisigxina kwi-electret master batch kunye nenani elincinci lokongezwa kunokunyusa izinga lokuhluza elizinzile malunga ne-10-20%, ukubola kucotha kakhulu phantsi kweemeko zokupakisha kunye nokugcinwa.
2. Ukunciphisa izinga lokuhluza ngokuqhelekileyo ngenxa yexabiso elincinci le-electret attenuation ye-static electret kunye nenani elikhulu le-melt blown pp.
3. Amanye amalaphu anyibilikayo athambile kodwa ukuqina kwawo akwanelanga.Njengoko ixesha lokugcina lisanda, amalaphu aya kuba brittle.Kwaye kulula ukubangela ukuhla kwezinga lokuhluza.La malaphu anyibilikayo ahlala eveliswa phantsi kwemeko yobushushu obuphezulu bokufa kunye nobushushu bomoya oshushu.
4. Izinga lokucoca elingazinzanga lingatshintshwa ngokulandela ezi ndlela.Okokuqala, ngaphandle kokongeza i-electret master batch kunye nonyango lwe-electret, yenza ilaphu elinyibilikayo elinokusebenza ngokufanelekileyo kokucoca ngokomzimba.Ngesi siseko, akukho unyango lwe-electret olunokongezwa, yongeza kuphela i-electret master batch ukuvavanya umahluko kwireyithi yokuhluza.Ngenxa yokuba i-electret master batch elungileyo inokuvelisa umbane ongatshintshiyo ngexesha lenkqubo yokugoqa ngaphandle konyango lwe-electret, enokuphucula izinga lokuhluza kwelaphu elinyibilikayo.
5. Izinga lokuhluza lomzimba wendwangu encibilikayo lisisiseko, kwaye i-electret master batch iyisitshixo ukwenzela ukuba kufezekiswe ukusebenza kakuhle kokucoca okuzinzile.
6. Umatshini ohlukeneyo wokunyibilika unokwenza ilaphu elinyibilikisiweyo elahlukileyo, ngakumbi umgangatho wokufa.Omnye umatshini wokunyibilika unokufikelela kuphela i-85% yezinga lokuhluza.Ukuba ufuna ukufikelela kwi-90% okanye ngaphezulu, udinga izixhobo eziphezulu zePP.
Indlela yokulungelelanisa yokunyibilikailaphuukuba brittle kwaye nzima
1. Ukusuka kumatshini onyibilikayo, ubangelwa ikakhulu zezi zizathu zilandelayo: a.ukusonta okungalinganiyo, b.ukutshatyalaliswa kobushushu obungalinganiyo obubangelwa kukungonelanga komthamo womoya ongalunganga wokubuyisela umoya, kunye noxinzelelo lwangaphakathi lubangela ukuba brittleness.Ukwandisa umthamo womoya we-fan yokupholisa, ukulungelelanisa umthamo wokunyibilika kwe-extruder, kunye nokulungelelanisa ukushisa komoya oshushu kunokuphucula le ngxaki.
2. Ngokombono wezinto zePP, sebenzisa i-low-melt grease PP impahla inokubangela ukuba i-spinner ibe nzima.Emva kokupholisa kunye necrystallization ngokupheleleyo, iya kwenza ilaphu elinyibilikayo libe brittle kwaye liqine.Ukhetho lunikezelwa kwizinto ezincibilikayo kunye nesalathisi esinyibilikayo malunga ne-1500. Iifilaments zincinci, zithambile kwaye zihanjiswe ngokulinganayo, kwaye isiphumo se-melt-blown sithambile.
3. Ukuba umqalisi wenkqubo yeperoxide kwinkqubo yokuvelisa i-melt-blown material ayilawulwa kakuhle, ingubo ixhomekeke kwiingxaki ezinqabileyo kunye ezinzima.Ukuba izinto zePP kunye nobushushu bokusebenza ziphezulu kakhulu, ziya kugqithiswa ngaphakathi kwe-screw kwaye zithotywe kakhulu.Kwinkqubo yokuvelisa imathiriyeli, inkqubo yeperoxide kufuneka igqibezele ikhefu letsheyina lemolekyuli phambi kokuba isikrufu sikhutshwe, ukuthintela intsalela yesibini ekungeneni kwiskrufu selaphu esingalukiweyo ukuze siqhubeke nokusabela.Oku kufuna indibaniselwano elungileyo yolawulo lweresiphi kunye nezixhobo zokujija.
4. Akukho fan yomoya yokubuya yokuqokelela nge-roller.Emva kokuvuthuza, ubushushu belaphu elinyibilikayo liphezulu kwaye ubushushu abukwazi ukutshatyalaliswa ngokukhawuleza.Emva kokupholisa, iya kuba brittle.
5. Oomatshini abancinci abancibilikayo, ingxaki ye-brittleness kunye nokuqina ingasombululwa ngokukhetha i-compound formula PP izinto eziluhlaza.
Indlela yokuphucula ukuqina kwezinyibilike ilaphu
1. Nciphisa umgama ofumana ilaphu elinyibilikayo kwaye ulungise kakuhle ukuhamba komoya oshushu okanye ubushushu ngokufanelekileyo.Ukuba ubushushu be-ambient buphezulu kakhulu, ungawunyusa umzantsi wokufunxa.
2. Nciphisa isantya se-extrusion kwaye unciphise imveliso.
3. Yandisa ukucoleka kwefayibha kunye nokunciphisa ubushushu be-ambient ejikelezayo.
4. Yamkela imathiriyeli yePP yefomyula ekhompawundi.
Oku kungasentla sisishwankathelo samava asebenzayo omsebenzi wethu.Kakade ke, iingxaki kunye neendlela zokulungisa umatshini onyibilikayo zingaphezulu lee kunezo zingasentla.Ukuba unayo nayiphi na imibuzo kumatshini kunye nezixhobo, ungaqhagamshelana nathi [i-imeyile ekhuselweyo]
Ixesha lokuposa: May-17-2020