Chii chinokonzera viscosity mukupfapfaidza dryer kuomesa… Maitiro ekudzora
Pfupiso:
Kupfapfaidza-yakaomeswa chikafu chakakamurwa mumapoka maviri: isina-sticky uye viscous. Zvisiri-zvinonamira zviri nyore kupfapfaidza yakaoma, yakapfava dhizaini yekuomesa uye yekupedzisira hupfu inoyerera zvakasununguka. Mienzaniso yezvinhu zvisina kunamatira zvinosanganisira hupfu hwezai, hupfu hwemukaka, mishonga uye mamwe maltodextrin, mazamu uye mapuroteni. Panyaya yechikafu chinonamira, pane dambudziko rekuomeswa pasi pezvakajairwa zvekupfapfaidza mamiriro ekuomesa. Chikafu chinonamira kazhinji chinonamira pamadziro emuomesi, kana kuti chinova chikafu chinonamira chisingabatsiri mumakamuri ekuomesa uye masisitimu ekufambisa, ane matambudziko ekushanda mashoma uye goho rechigadzirwa. Zvikafu zveshuga neasidhi ndiyo mienzaniso yakajairika.
Viscos chiitiko chakasangana mukuomeswa kwezvinhu zvekudya zvakapfuma muglycolic acid. Powder viscosity imhando yekubatana kwekunamatira kuita. Inogona kutsanangura particle-particle viscosity (kubatana) uye particle-wall viscosity (adhesion). Chiyero chekusunga simba nehupfu hunokonzerwa nemaitiro ayo emukati anonzi kubatana, kuumba masasi mumubhedha wehupfu. Naizvozvo, simba rinoda kupaza nepakati poda agglomerate rinofanira kunge rakakura kudarika kubatana. Adhesion iratidziro yekuita, uye zvidimbu zvehupfu zvinoteedzera maitiro ekupfapfaidza kuomesa michina. Kubatana uye kunamatira ndiwo akakosha ma paramita ekugadzira kuomesa uye kuomesa mamiriro. Kuumbwa kwepamusoro pehupfu hupfu hunonyanya kukonzera viscosity. Iko kubatana uye kunamatira maitiro ehupfu particle pamusoro pezvinhu zvakasiyana. Nekuti kuomeswa kunoda huwandu hukuru hwe solute kuti uendeswe kune chidimbu chepamusoro, iri muhuwandu. Zviviri zve viscosity maitiro (kubatana uye kunamatira) zvinogona kugarisana mukupfapfaidza-kuomesa shuga-yakapfuma zvinhu zvekudya. Iyo viscosity pakati pezvimedu ndiko kuumbwa kwemabhiriji emvura akamiswa, mabhiriji emvura anofamba, cheni dzemakanika pakati pemamorekuru, uye electrostatic giravhiti uye mabhiriji akasimba. Chikonzero chikuru chekunamira kwehupfu hwemadziro mukamuri yekuomeswa ndiko kurasikirwa kwezvinhu mupfapfaidzo-kuomesa shuga uye chikafu chine acid. Apo hupfu hunochengetwa kwenguva yakareba, hunooma pamadziro.
Zvinotungamirira kune viscous
Snamata-kupfuma chikafu kuomesa poda recycling spray drying technology. Low molecular uremu shuga yakaoma zvikuru (glucose, fructose) uye organic acids (citric acid, malic acid, tartaric acid). Zvidiki zvidiki zvemamorekuru zvakadai semvura yakakwira, thermoplasticity uye yakaderera vitrification shanduko yekushisa (Tg) inobatsira kumatambudziko eviscosity. Tembiricha yekuomesa yekupfapfaidza yakakwira kupfuura Tg20°C. Zvizhinji zvezvikamu izvi zvinoumba zvinyoro zvakapfava pane viscous surface, zvichiita kuti hupfu hwehupfu, uye pakupedzisira hugadzira chimiro chekuisa panzvimbo yehupfu. Kukwirisa kwema molecular kufamba kwemorekuru iyi kunokonzerwa nekudzikira kwayo vitrification shanduko yetembiricha (Tg), inotungamira kumatambudziko eviscosity mumaspray dryer ayo anowanzo kufarirwa pakupisa. Hunhu hukuru hwegirazi kutendeuka tembiricha uye amorphous chikamu chekushandura tembiricha. Chiitiko chekuchinja chegirazi chakaitika mune yakaoma yakasimba, amorphous shuga, iyo yakave neshanduko kuita yakapfava rabha mvura chikamu. Simba repamusoro uye girazi rakasimba zvine simba repasi uye harinamatire kune yakaderera-simba yakasimba nzvimbo. Nekuda kwechimiro chegirazi kune rubber ferry (kana mvura), iyo pamusoro pechinhu inogona kusimudzwa, uye kupindirana pakati pemorekuru nenzvimbo yakasimba inogona kutanga. Mumabasa ekuomesa chikafu, chigadzirwa chiri mumvura kana chinonamatira, uye chikafu chemvura / chinonamira chinobvisa mumiriri wepurasitiki (mvura) inova girazi. Kana chikafu chekudya chisina kushanduka kubva pakupisa kwakanyanya kwekuomesa pane tembiricha yegirazi, chigadzirwa chinochengetedza yakakwira simba viscosity. Kana rudzi urwu rwechikafu rwakabatwa nepamusoro-simba yakasimba nzvimbo, inonamatira kana kuomerera pairi.
Kudzora viscosity
Kune zvakawanda zvekushandisa sainzi uye maitiro-akavakirwa nzira dzekudzikisa viscosity. Nzira dzekutanga dzesainzi yezvishandiso dzinosanganisira zvinhu zvine huremu hwemamorekuru huremu hwekuomesa zviwedzere kuwedzera tembiricha kunze kwekushandura vitrification, uye maitiro-akavakirwa-maitiro anosanganisira madziro uye pasi pekamuri yemakanika.
Nguva yekutumira: Feb-22-2024