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制茶工藝運用蒸汽發生器

文章出處:河南銀興工業鍋爐有限公司    人氣:   發表時間:2020-07-15 14:53

        殺青是制茶中很重要的一個環節,一般茶葉殺青方法可以分為炒青、烘青、曬青、蒸青等,以上方法都是采取高溫措施破壞酶的活性,使鮮葉內含物迅速轉化,那么有人就會好奇了,茶葉殺青的方法這么多,究竟哪種殺青方法最好呢?經過長時間的實驗與研究,人們發現對茶葉進行蒸青相比烘青或炒青等殺青方法更為合適。那么茶葉蒸青是如何配套蒸汽發生器使用呢?

  茶葉蒸青主要是利用蒸汽發生器產生的高溫蒸汽來對鮮葉進行殺青,而后經揉捻、干燥。人們在長期制茶和用茶的過程中,發現采來的鮮葉直接曬干確實簡單,但是其苦澀味很重,若將茶鮮葉用蒸汽蒸一下,再曬干利用,發現口味有了明顯的改善,于是蒸青法便逐步被傳開了。

  由于蒸汽發生器可根據茶葉殺青需求調節溫度和壓力,因此經過蒸汽發生器蒸青制成的綠茶外形更為緊細,呈針狀,色澤鮮綠或深綠,油潤有光,湯色澄清,呈淺黃綠色,有清香,滋味醇或略澀。相比炒青或烘青,蒸青最大的不同就在溫度,炒青、烘青工藝溫度高,基本切斷了茶葉中酶類活性物質的生命,蒸青用蒸汽發生器快速出蒸汽,熱效率高達95%以上,智能精準控溫控壓,使制成的蒸青綠茶自帶清香,環保無污染。

  蒸汽發生器不僅適用于茶葉烘干殺青工藝,還包括生物化工、食品烘干、藥材烘干、木材烘干、橡膠烘干、工藝品烘干、電鍍件烘干、混凝土養護等各個方面。


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