殺(sha)(sha)青主(zhu)要目的(de)是通過高溫(wen)破壞和(he)鈍化(hua)(hua)鮮(xian)(xian)葉(xie)中(zhong)(zhong)的(de)氧化(hua)(hua)酶(mei)活(huo)性，抑制鮮(xian)(xian)葉(xie)中(zhong)(zhong)的(de)茶多酚等的(de)酶(mei)促氧化(hua)(hua)，防止烘干過程中(zhong)(zhong)變色。同時散發青臭味(wei)，促進(jin)良(liang)好香氣的(de)形成。殺(sha)(sha)青機(ji)械(xie)多采用微波殺(sha)(sha)青機(ji)、滾筒殺(sha)(sha)青機(ji)和(he)燃氣炒(chao)青機(ji)。

微波殺青機

微波(bo)(bo)殺(sha)(sha)(sha)青(qing)設(she)備是(shi)一種新(xin)型的(de)(de)殺(sha)(sha)(sha)青(qing)設(she)備，殺(sha)(sha)(sha)青(qing)速(su)度快、效率(lv)高(gao)、效果好(hao)。在(zai)(zai)殺(sha)(sha)(sha)青(qing)的(de)(de)同(tong)時，還可以除去約10%的(de)(de)鮮葉(xie)水分。微波(bo)(bo)殺(sha)(sha)(sha)青(qing)機的(de)(de)原理主(zhu)要是(shi)利(li)用迅速(su)升溫(wen)來鈍(dun)化鮮葉(xie)的(de)(de)的(de)(de)活性氧化酶，抑制鮮葉(xie)中的(de)(de)茶多(duo)酚等(deng)酶加速(su)氧化，防止在(zai)(zai)后續烘干過(guo)程中發生(sheng)色(se)澤嚴重改(gai)變，同(tong)時揮發鮮葉(xie)的(de)(de)腥(xing)草味，使茶香更好(hao)的(de)(de)形成。采用微波(bo)(bo)殺(sha)(sha)(sha)青(qing)設(she)備對茶葉(xie)、菊花、金(jin)銀花等(deng)農(nong)產品進行殺(sha)(sha)(sha)青(qing)，平均每公斤的(de)(de)量所需要的(de)(de)電費不到三毛錢，而且(qie)殺(sha)(sha)(sha)青(qing)效果顯(xian)著，產品色(se)澤、外形和香氣都屬上(shang)佳品。

滾筒殺青機

烏龍茶(cha)殺青(qing)常(chang)用(yong)(yong)90型與(yu)110型兩(liang)種機(ji)(ji)(ji)型，該機(ji)(ji)(ji)結(jie)構(gou)緊(jin)湊、操作(zuo)方(fang)便、效(xiao)率高。爐(lu)(lu)(lu)火直接加熱轉(zhuan)動(dong)(dong)的(de)筒(tong)(tong)(tong)(tong)(tong)體(ti)(ti)(ti)，茶(cha)葉(xie)(xie)在筒(tong)(tong)(tong)(tong)(tong)體(ti)(ti)(ti)內靠摩(mo)擦和筒(tong)(tong)(tong)(tong)(tong)體(ti)(ti)(ti)轉(zhuan)動(dong)(dong)的(de)離心(xin)力在滾筒(tong)(tong)(tong)(tong)(tong)內拋轉(zhuan)，并(bing)吸(xi)收熱量(liang)達到殺青(qing)目(mu)的(de)。殺青(qing)適度(du)后，反轉(zhuan)滾筒(tong)(tong)(tong)(tong)(tong)，利用(yong)(yong)筒(tong)(tong)(tong)(tong)(tong)壁的(de)螺旋導葉(xie)(xie)板(ban)將茶(cha)葉(xie)(xie)推(tui)出(chu)筒(tong)(tong)(tong)(tong)(tong)外(wai)。同時，借(jie)助(zhu)滾筒(tong)(tong)(tong)(tong)(tong)末(mo)端的(de)風(feng)扇將筒(tong)(tong)(tong)(tong)(tong)內茶(cha)葉(xie)(xie)排凈。該機(ji)(ji)(ji)由滾筒(tong)(tong)(tong)(tong)(tong)、傳(chuan)動(dong)(dong)裝(zhuang)置、風(feng)扇、機(ji)(ji)(ji)架(jia)(jia)、爐(lu)(lu)(lu)灶(zao)等部(bu)分組(zu)成(cheng)。滾筒(tong)(tong)(tong)(tong)(tong)用(yong)(yong)鋼板(ban)卷制而成(cheng)，內壁焊有(you)導葉(xie)(xie)板(ban)，導葉(xie)(xie)角為24°，其作(zuo)用(yong)(yong)是幫助(zhu)進(jin)葉(xie)(xie)或推(tui)出(chu)殺青(qing)葉(xie)(xie)，并(bing)將茶(cha)葉(xie)(xie)帶至一(yi)定高度(du)后拋下。風(feng)扇可正、反轉(zhuan)，以吹(chui)葉(xie)(xie)出(chu)筒(tong)(tong)(tong)(tong)(tong)或吸(xi)排濕氣。滾筒(tong)(tong)(tong)(tong)(tong)的(de)兩(liang)端外(wai)圍設有(you)擋煙(yan)圈，中(zhong)心(xin)有(you)一(yi)轉(zhuan)軸，通過兩(liang)端的(de)輻條與(yu)筒(tong)(tong)(tong)(tong)(tong)體(ti)(ti)(ti)相(xiang)接，轉(zhuan)軸由軸承支(zhi)撐于機(ji)(ji)(ji)架(jia)(jia)上。機(ji)(ji)(ji)架(jia)(jia)一(yi)般用(yong)(yong)角鋼制作(zuo)。爐(lu)(lu)(lu)灶(zao)由通風(feng)道、爐(lu)(lu)(lu)柵、爐(lu)(lu)(lu)膛(tang)、煙(yan)囪等組(zu)成(cheng)。滾筒(tong)(tong)(tong)(tong)(tong)體(ti)(ti)(ti)置于爐(lu)(lu)(lu)膛(tang)內，爐(lu)(lu)(lu)膛(tang)頂部(bu)有(you)拔風(feng)口與(yu)煙(yan)囪相(xiang)通。110型殺青(qing)機(ji)(ji)(ji)傳(chuan)動(dong)(dong)配用(yong)(yong)功率1.1千(qian)瓦(wa)，投葉(xie)(xie)量(liang)15~25千(qian)克,風(feng)機(ji)(ji)(ji)功率0.75千(qian)瓦(wa)。