Ilimin shan shayi

Juyin shayiyana nufin tsarin da ake birgima ganyen shayi cikin tsiri a ƙarƙashin aikin ƙarfi, kuma ana lalata nama na ganyen ganye, wanda ke haifar da matsakaicin zubar ruwan shayi. Yana da muhimmin tsari don samar da nau'ikan shayi iri-iri da samuwar dandano da kamshi. Matsakaicin mirgina yawanci ana auna ta “yawan lalacewar nama”, “ƙididdigar tsiri”, da “ƙarshen shayin shayi”. Lokacin mirgina, yana da mahimmanci don rarrabe tsakanin zafi mai zafi da jujjuyawar sanyi, da kuma kula da tasirin lokacin mirgina da matsa lamba akan mirgina yayin aiki.

mirgina shayi

Zafi da sanyi mirgina

Abin da ake kira zafafan birgima yana nufin mirgina ganyayen da suka bushe alhalin suna da zafi, ba tare da sanyaya su ba; Abin da ake kira jujjuyawar sanyi yana nufin tsarin birgima koren ganye bayan an fitar da su daga cikin tukunyar kuma a bar su su yi sanyi na wani lokaci har sai zafin ganyen ya ragu zuwa daki. Juyawa yana ba da damar abubuwan da ke cikin sel ganye (kamar sunadarai, pectin, sitaci, da sauransu) su shiga saman ganyen. Wadannan abubuwan suna da danko a wani abun ciki na danshi, wanda ke da amfani ga mirgina ganyen shayi a cikin tsiri da kuma kara gyara surar su yayin aikin bushewa. Ganye da matakan shekaru daban-daban da taushi suna da halaye na reshe daban-daban. Ganyayyaki masu taushi suna da saurin yin tsiri lokacin da aka birgima saboda ƙarancin abun ciki na cellulose da babban abun ciki na pectin; Tsofaffin ganye sun ƙunshi babban adadin sitaci, kuma mirgina su yayin da suke zafi yana da amfani ga sitaci don ci gaba da gelatinization da haɗuwa da kyau tare da wasu abubuwa, ta haka yana ƙara ɗanɗano saman ganye. A lokaci guda, a ƙarƙashin aikin zafi, cellulose yana yin laushi kuma sauƙi ya samar da tube. Amma rashin amfani da mirgina mai zafi shine sau da yawa cewa launin ganye yana da wuyar yin rawaya kuma akwai tsangwama na ruwa. Sabili da haka, ga ganye masu laushi, suna da wuyar samun nau'i-nau'i a lokacin mirgina. Don kula da launi mai kyau da ƙanshi, ya kamata a yi amfani da mirgina sanyi; Don manyan tsofaffin ganye, mirgina su yayin da suke zafi zai iya samun kyakkyawan bayyanar. Kodayake mirgina mai zafi yana da tasiri akan launi da ƙamshi, tsofaffin ganye sun riga sun sami ƙaramin ƙamshi kuma sun fi duhu kore. Motsi mai zafi yana rasa wasu chlorophyll, wanda ba kawai yana da ɗan tasiri akan launin su ba, amma wani lokacin yana sa kasan ganye ya yi haske. Don haka, tsofaffin ganye ya kamata a jujjuya su da zafi mai zafi. Ganyen da aka saba gani tare da toho daya, ganye biyu, da ganye uku suna da matsakaicin taushi kuma yakamata a kwashi su a hankali. Ganyen kore ya kamata a ɗan yaɗa shi kuma a durƙusa lokacin da suke da dumi. Kwarewar zafi da sanyi ya kamata ya dogara da takamaiman yanayin.

abin nadi na shayi

Lokacin mirgina da matsa lamba

Su biyun suna da alaka ta kut-da-kut kuma ya kamata a yi la’akari da su tare, ba da fifikon bangare daya kawai bai isa ba. Sau da yawa, akwai yanayin da lokacin juyi bai daɗe ba, amma saboda yawan matsi, sai ƙwanƙwasa da ganyen suka rabu, ganyayen birgima suna karyewa kafin su zama tsiri. Ya kamata mirgina ganye ya cimma wani takamaiman adadin karyewar kwayar halitta yayin kiyaye amincin igiyoyin, kuma adadin tsiri ya dace da ƙayyadaddun buƙatun. Ya kamata a adana buds masu laushi da tsire-tsire masu nunawa kuma kada a karye. Baya ga adadin da ya dace na ganye, ya kamata ya zama "dole ne a tabbatar da lokaci kuma dole ne matsa lamba ya dace". Idan matsa lamba bai dace ba, musamman idan yana da nauyi sosai, babu makawa tasirin mirgina zai yi wahala garanti. Domin a ƙarƙashin matsanancin matsin lamba, toho da ganye ba makawa za su karye kuma su ruguje bayan wani ɗan lokaci. Ko da yake an saita lokacin birgima don ci-gaban ganye a cikin mintuna 20-30, gabaɗaya bai kamata a yi amfani da matsin lamba ba ko kawai za a iya amfani da matsi mai haske; Idan irin wannan nau'in ci-gaban ganye yana fuskantar matsanancin matsin lamba, zai haifar da rashin cika tsiri mai shayi da karyewar tsiron bayan mintuna 15-20 na durkushewa. Don haka, lokacin da ake cuɗa ganye mai laushi, dole ne a tabbatar da lokacin ba tare da yin amfani da matsi ko amfani da matsi mai haske ba, kuma lokacin cukuɗa ba zai zama gajere ba. Wannan wata hanya ce mai mahimmanci don tabbatar da cewa "yana buƙatar a ƙulla shi sosai, a ci gaba da karya shi cikin tube, kuma a kiyaye shi sosai". Akasin haka, mirgina tsofaffin ganye yana da wahala don biyan buƙatun mirgina ba tare da matsa lamba mai nauyi ba.

Domin inganta ingantaccen aiki da rage ƙarfin aiki, nau'in taro da yawaabin nadi na shayikuma cikakken atomatikshayi mirgina samar linean haɓaka, wanda zai iya cimma buɗaɗɗen atomatik, aunawa da ciyarwa, rufewa, matsa lamba, da fitarwa a cikin tsari. Hakanan za'a iya daidaita sigogin tsari don sanya ingancin mirgina ya fi ƙarfin sarrafawa. Ta hanyar amfani da fasahar sarrafa atomatik ta PLC da ɗaukar nau'in haɗin gwiwar injina da yawa na mirgina da murɗawa, an sami ci gaba da sarrafa sarrafa kansa na ciyar da na'ura da yawa da aikin sake zagayowar. Amma irin wannan nau'in juyi da jujjuyawar har yanzu yana buƙatar wucewa ta hanyar rufewa da ciyar da ruwa, kuma kawai yana samun ci gaba da jujjuyawa.

atomatik shayi mirgina inji

NASIHA: Yin mirgina koren shayi yana buƙatar sanin ƙa'idar jujjuyawar ganye mai laushi da nauyi mai nauyi na tsohon ganye.
Nauyin, tsawon lokaci, da kuma hanyar mirgina suna da tasiri mai mahimmanci akan ingancin koren shayi. Idan aka yi amfani da karfi da yawa, ruwan shayi mai yawan gaske zai cika, sannan wasu flavonoids a saukake su zama sinadarai masu launin ruwan kasa baki, wadanda ke da illa ga launin ganyen shayi; A lokaci guda kuma, saboda yawan lalacewar ƙwayoyin sel, launin miya yana da kauri amma ba shi da haske sosai. Idan lokacin kneading ya yi tsayi da yawa, abubuwan polyphenolic suna da haɗari ga halayen oxidation a cikin zafin jiki, haifar da launin miya zuwa rawaya; Koyaya, rashin isassun mirgina yana haifar da ɗanɗano mai ɗanɗano da launi, wanda ba zai iya samar da madaidaicin siffa na kore shayi ba, yana rage ingancinsa na waje. Don haka, hanyoyi daban-daban na mirgina da karkatarwa yayin sarrafawa suna da tasiri daban-daban akan ingancin shayi.

 


Lokacin aikawa: Satumba-02-2024