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Infrared crystal dryer ya PET granulating line

Infrared crystal dryer ya PET granulating line

Chowumitsira kristalo cha infrared cha R-PET Pelletizing/ Extrusion Line

Chowumitsira kristalo cha infrared cha PET granulating line1
Infrared crystal dryer ya PET granulating line2

Infrared Pre-Drying of PET Flakes: Kuchulukitsa Kutulutsa ndi Kupititsa patsogolo Ubwino pa PET Extruder

>>Kukonzanso ma flakes mu extruder kumachepetsa IV chifukwa cha hydrolysis i kukhalapo kwa madzi,ndichifukwa chake kuyanika kusanachitike kuyanika kofanana ndi IRD System yathu kumatha kuchepetsa kuchepa uku.Kuphatikiza apo, utomoni umakhala wachikasu chifukwa nthawi yowuma imachepetsedwa (Kuyanika nthawi kumangofunika 15-20mins, chinyezi chomaliza chikhoza kukhala≤ 50ppm, kugwiritsa ntchito mphamvu zosakwana 80W/KG/H), ndi kumeta ubweya mu extruder potero kumachepetsanso chifukwa cha preheated amalowa extruder pa kutentha zonse”

Chowumitsira kristalo cha infrared cha PET granulating line3

>> Mu gawo loyamba, PET regrind imawunikidwa ndikuwumitsa mkati mwa IRD mkati mwa mphindi pafupifupi 15.Njira yowumitsa ndi kuyanika iyi imatheka ndi njira yowotcha mwachindunji pogwiritsa ntchito ma radiation ya infrared, kuti mukwaniritse kutentha kwa 170˚C.Mosiyana ndi kayendedwe ka mpweya wotentha, kulowetsedwa kwachangu ndi kolunjika kumathandizira kuti pakhale kusinthika kwabwino kwa kusintha kwa chinyezi cholowetsamo - njira yoyendetsera ma radiation ya IR imalola kuyankha kusintha kwazinthu mkati mwa masekondi.Mwa njira iyi, zikhalidwe zapakati pa 5,000 ndi 8,000 ppm zimachepetsedwa mofanana mkati mwa IRD mpaka mulingo wotsalira wa chinyezi cha 30-50ppm.

>>Monga chotsatira chachiwiri cha crystallization process mu IRD, kuchuluka kwa zinthu zapansi kumawonjezeka,makamaka m'ma flakes opepuka kwambiri.Zotsatira zachiwirizi ndizosangalatsa kwambiri poyang'ana kumbuyo kuti chizolowezi cha mabotolo otchingidwa ndi mipanda yopyapyala chimalepheretsa zinthu zobwezerezedwanso kuti zisakwaniritsidwe zochulukirapo za> 0.3 kg/dm³.Kuwonjezeka kwa kachulukidwe kochuluka ndi 10 mpaka 20% kungapezeke mu IRD, yomwe ikuwoneka ngati yopanda pake poyang'ana koyamba, koma imapangitsa kuti chakudya chiziyenda bwino pa cholowera cha extruder kwambiri - pamene liwiro la extruder silinasinthe, pali kusintha kwakukulu. kudzaza ntchito pa screw.

Infrared crystal dryer ya PET granulating line4

Nthawi yotumiza: Apr-07-2023
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