Menene PP granulation? Hanyar foda granulation?

Tsarin granulation shine a karya samfuran filastik da aka zubar sannan a dumama su a narke su zuwa barbashi, girma da wake iri ɗaya, ta yadda za ku iya amfani da waɗannan barbashi na filastik don yin sabbin samfuran filastik, wannan ana kiransa granulation. Menene tsarin PP granulation? Hanyar granulation foda?

PP shine lambar Turanci ta polypropylene, PP granulation yana nufin samfuran filastik polypropylene da aka lalata (galibi jakunkunan filastik da aka saka) bayan sake amfani da su, tsaftacewa,filastik extruderBarbashin filastik na polypropylene da aka sake yin robobi, ana iya haɗa su cikin sabbin kayan polypropylene don amfani ko kuma a yi amfani da su kai tsaye kai tsaye.

A halin yanzu, fasahar maganin foda an raba ta zuwa granulation mai ruwa, tafasa granulation, matsi smolding, feshi da watsa hazo, hot melt smoking da sauransu.

1. Hanyar jika granulation
Ruwan da aka jika yana nufin a saka wani ruwa ko abin ɗaurewa cikin foda mai kauri sannan a gauraya shi yadda ya kamata, ta yadda ruwan da foda mai kauri za su yi hulɗa da juna, suna samar da ƙarfi mai haɗin kai da kuma samar da tarin abubuwa.

2. Hanyar tafasa granulation
Hanyar tafasa granulation ita ce amfani da iska daga ƙasan kayan aikin don shawagi da barbashin foda da kuma bindigar feshi ta sama daga cikin slurry bayan sun haɗu gaba ɗaya sannan a haɗa su zuwa barbashi.

3. Hanyar ƙera matsi
Hanyar samar da matsin lamba ita ce a iyakance kayan foda mai kauri a wani takamaiman wuri, sannan a matse shi zuwa wani yanayi mai yawa ta hanyar amfani da ƙarfin waje. Dangane da tsarin zahiri na ƙarfin waje da aka yi amfani da shi, ana iya raba hanyar gyaran matsin lamba zuwa rukuni biyu, wato, hanyar gyaran da kuma hanyar fitarwa.

4. Fesa da kuma watsa hanyar hazo
Ana amfani da feshi da warwatsewar hazo don yin kayan ruwa ko rabin-ruwa a cikin yanayi mai warwatse sosai su zama barbashi masu tauri kai tsaye a cikin takamaiman kayan aiki.

5. Hanyar samar da narke mai zafi
Hanyar ƙera narkewar zafi ita ce amfani da halayen ƙarancin narkewar samfurin (gabaɗaya ƙasa da 300℃), kayan narkewa, ta hanyar narkar da shi ta musamman, don haka crystallization ɗinsa ya zama siffar da ake buƙata ta takarda, tsiri, toshe, hemispherical da sauransu.

Tsarin foda granulation tsari ne da ke shafar abubuwa da yawa; zaɓin fasahar granulation foda mai dacewa yana buƙatar la'akari da abubuwa da yawa:

1. Halayen kayan aiki

2. Bukatun iya aiki
Lokacin da ake amfani da shi wajen sarrafa nau'ikan granulation ya bambanta sosai, don haka dole ne a yi la'akari da jarin kayan aiki da farashin sarrafawa.

3. Rarraba girman barbashi na samfurin
Girman barbashi na samfuran da aka samu ta hanyoyi daban-daban na granulation ya bambanta sosai, kamar ƙaramin girman barbashi na granulation, yayin da girman barbashi na samfuran granulation da aka matse na iya zama babba, don haka ya kamata a zaɓi hanyar granulation bisa ga hanyar granulation da ake buƙata.

4. Siffar ƙwayar samfurin
Kayayyakin da aka samu ta hanyar haɗa granulation da fluidization granulation sune barbashi masu siffar zagaye marasa tsari. Mirgina cikin ƙwallo na iya samun santsi mai santsi; Ga barbashi na yau da kullun masu siffar musamman, ya zama dole a yi amfani da matsi da extrusion granulation. Zaɓin ƙirƙirar barbashi na samfur ya kamata ya yi la'akari da buƙatun da kuma sauƙin aiwatarwa na gaba.

5. Ƙarfin ƙwayoyin samfur
Busasshen tsarin ba makawa zai haifar da ƙura kuma saboda haka bai dace da yin amfani da foda mai guba ko wasu abubuwa masu haɗari ba. Tsarin danshi, a gefe guda, yana buƙatar bushewa bayan an yi amfani da foda kuma yana ɓatar da wasu abubuwan da ke narkewa. Wasu magunguna ba sa haɗuwa da ruwa, ko kuma sake yin amfani da su don samar da wasu siffofi yayin bushewa, wanda bai dace da amfani da ruwa ba.

6. Zaɓuɓɓukan busasshe/jika

7. Porosity da yawan ƙwayoyin samfur
Porosity da yawa na barbashi a cikin waɗannan alamomi guda biyu suma suna shafar ƙarfin samfurin kai tsaye, kamar yadda ake amfani da su wajen samar da barbashi masu ɗaukar sinadarin catalyst, porosity da ƙarfi a lokaci guda suna da sabani guda biyu. Ana iya daidaita girman porosity da yawa ta hanyar sigogin aikin tsari.