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Jul. 05, 2023 11:49 Bwererani ku mndandanda

Kufananiza njira zosiyanasiyana zolimbikitsira

Pali njira zambiri zopezera mafuta a masamba. Mwachitsanzo njira yosindikizira wononga, njira yosindikizira ya hydraulic, njira yotulutsira zosungunulira ndi zina zotero. Physical screw press njira imakhala ndi makina osindikizira kamodzi ndi kusindikiza kawiri, makina otentha ndi ozizira. Kodi mukudziwa kusiyana kotani pakati pa njira zosindikizira zowononga thupi?

 

І. Kusiyana kwa One time press and double press:
1.Mafuta otsalira mu keke: onse osindikizira kamodzi ndi kawiri ndi pafupifupi 6-8%, malingana ndi makina osindikizira osiyanasiyana.
2.Zipangizo zomwe zimagwiritsidwa ntchito posindikizira koyamba ndizochepa kusiyana ndi zomwe zili mu makina achiwiri, zomwe zimasunga mtengo; mafuta osayengedwa mu makina osindikizira achiwiri ndi osavuta kusefa ndipo amakhala ndi mafuta ochepa otsalira.

 

Ⅱ. Kusiyana kwa makina osindikizira otentha ndi ozizira:
1.Cold kukanikiza ndi kukanikiza mafuta popanda kutentha kapena kutentha otsika pamaso kukanikiza, ndipo pansi pa chilengedwe cha otsika kuposa 60 ℃, mafuta kufinya ndi kutentha otsika ndi asidi mtengo. Kaŵirikaŵiri, sichifunikira kuyeretsedwa. Pambuyo pa mvula ndi kusefera, mafuta opangira mafuta amapezedwa. Mtundu wa mafuta ndi wabwino, koma kukoma kwa mafuta sikununkhira komanso kutulutsa mafuta kumakhala kochepa. Nthawi zambiri ndi yoyenera kukanikiza mafuta apamwamba kwambiri.

 

2. Kutentha kotentha ndiko kuyeretsa ndi kuphwanya mafuta ndikuwotcha pa kutentha kwakukulu, zomwe zimayambitsa kusintha kwapadera mkati mwa chomera cha mafuta, monga kuwononga selo la mafuta, kulimbikitsa puloteni denaturation, kuchepetsa kukhuthala kwa mafuta, etc., kuti akhale oyenera kukanikiza mafuta ndikuwonjezera zokolola zamafuta. Ukadaulo wopondereza wotentha nthawi zambiri umagwiritsidwa ntchito popanga komanso kukonza mafuta ambiri, okhala ndi fungo lonunkhira, mtundu wakuda komanso zokolola zambiri zamafuta, koma ndizosavuta kuwononga michere muzopangira.

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