Polyester polymer machipisi akadai sePET ane hygroscopic, zvinoreva kuti anotora hunyoro kubva mumhepo yakatenderedza.Kunyanya kunyorova mumachipisi kunogona kukonzera matambudziko panguva yekuumba jekiseni uye extrusion.Kana mapurasitiki achipisa, mvura iyo ine hydrolyzes PET, ichideredza simba rayo uye kunaka.Izvi zvinoreva kuti hunyoro hwakawanda sezvinobvira hunofanira kubviswa kubva muresin isati yagadzirisa PET mumushini wekuumba.Pasi pemamiriro ekunze, resin inogona kunge iine kusvika ku0.6% nehuremu hwemvura.
PET pellets yakaomeswa isati yagadziriswa
Machipisi ehuni anotakurwa muhopi, ipapo mhepo inopisa yakaoma ine tembiricha yedova inenge 50°C inopombwa muzasi mehopi uye inoyerera ichikwira pamusoro pema pellets, ichibvisa chero mwando munzira.Mhepo inopisa kwazvo inosiya pamusoro pehopper uye inopfuura nemu aftercooler kutanga, sezvo mweya unotonhora unobvisa mwando zviri nyore kupfuura mhepo inopisa.Mhepo inotonhora inoguma, yakanyorova inobva yapfuura nepamubhedha we desiccant.Pakupedzisira, mhepo inotonhora yakaoma inosiya mubhedha we desiccant inodzokororwa mumhepo inopisa uye inotumirwa zvakare kuburikidza nenzira imwechete muvharo yakavharwa.Hunyoro hwemachipisi hunofanirwa kunge huri pasi pe30 ppm isati yagadziriswa.Kana PET ichipisa, chero mvura iripo inomhanyisa hydrolyze iyo polymer, ichidzikisa huremu hwayo hwemamorekuru uye ichiparadza chimiro chayo.
Online kuyerwa uye cheki cheki
Pane nzira mbiri dzekuyera hunyoro panguva yekuomeswa: kuyerwa kwepamhepo uye kutarisa kwenzvimbo.
① kuyerwa kwepamhepo
Anoomesa ega ega anoramba achitariswa kuti ave nechokwadi chekuti mhepo inopihwa kuPET iri nani pane yakatarwa dova tembiricha ye50 ° C dova point kuti ive nechokwadi chekuti chip zvinhu zvakaomeswa.Panodiwa zviyero zvine otomatiki yemukati calibration, iyoHT-608 dovi point sensorinogona kuiswa padhuze neinopinza yekuomesa hopper, uye diki diki uye huremu huremu hunoita kuti zvive nyore kuisa mumadhakisi kana nzvimbo dzakasimba kuti utarise kuvuza munzira yemhepo yekuomesa.Kurongeka kwepamusoro ± 0.2 ° C (5-60 ° C Td), inofananidzwa nemhando yezvigadzirwa zvinotengeswa kunze kwenyika, zvinokwanisika, imwe nzira inodhura.
② Spot cheki uye gadzirisa
Nguva dzose nzvimbo inotarisa naHengkoHK-J8A102 inotakurika calibrated tembiricha uye humidity mitainogona kupa inodhura-inoshanda vimbiso yemhando yechigadzirwa.Zviri nyore kushandisa, panguva imwe chete kuyera tembiricha, mwando, dova, girobhu rakanyorova uye mamwe data.Pindura nekukurumidza kumaindasitiri chiyero chedova chiri pasi pe50℃.
Iyo dova yekuyera kuyerwa kweiyo tembiricha uye humidity mita ndeye: -50 ℃-60 ℃, uye hombe yeLCD skrini yakanakira kuverenga nekuverenga. Iyo data yekuyera inoverengerwa kamwechete pamamilliseconds gumi, uye kumhanya kwekupindura kunonzwisisika uye kuyerwa kwacho kwacho.
Nguva yekutumira: Kubvumbi-21-2022
