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錐形發酵罐是如何控制溫度的？

作者：山東天泰人氣：发布日期： 2022-07-04

信息摘要：

我們都知道，啤酒的發酵需要較低的溫度，且在發酵過程中，酵母的代謝活動會使得罐內溫度升高，因此在整個發酵過程中都需要人爲控制使得溫度適宜。那麽錐形發酵罐是如何實現溫度的精准控制呢？今天，我們就來聊一聊這個有趣的話題

錐形發酵罐是如何控制溫度的？

我們都知道，啤酒的發酵需要較低的溫度，且在發酵過程中，酵母的代謝活動會使得罐內溫度升高，因此在整個發酵過程中都需要人爲控制使得溫度適宜。那麽錐形發酵罐是如何實現溫度的精准控制呢？今天，我們就來聊一聊這個有趣的話題。

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一、冷卻方式
      首先，我们来了解一下锥形罐的两种冷却方式：间接冷却方式和直接冷却方式。间接冷却方式使用的冷媒是乙醇或乙二醇与水的混合液，它在氨制冷机的蒸发器箱中进行冷却，温度一般控制在-5℃左右，冷媒从下面流入，从上面流出。直接冷却方式是指液态氨直接在锥形罐的冷却夹套中蒸发并吸热，对发酵罐中的酒液进行降温。液氨从上面经过分配管进入，向下流动。
二、兩種冷卻方式的比較
      与使用乙醇或乙二醇的间接冷却方式相比，液氨直接蒸发冷却具有以下优点：
    （1）节约能源20%左右，直接蒸发的压缩机工作温度只需要-5℃左右即可，而采用间接冷却方式时，压缩机需要在低得多的温度下工作，由此使得制冷机的制冷能力偏低。另外，冷媒液氨的输送量也少得多。
    （2）需要的设备少。直接冷却比间接冷却节省了液氨蒸发所需要的酒精水或乙二醇水，也省去了蒸发器。
    （3）需要的绝热材料少，安装费用低。由于液氨流量减少，则使用的管道直径变小，加之容器减少，降低了绝热材料的消耗，也节省了安装费用。

精酿啤酒設備,啤酒廠設備,錐形發酵罐

三、使用液氨的注意事項
      由于直接冷却法有诸多显著优点，越来越多的啤酒厂采用了液氨直接蒸发冷却的方式。但是，在精酿行业，仍然有很多啤酒厂沿用乙醇或乙二醇的间接冷却方式。这是因为在采用直接冷却方式时，需要格外注意其安全性。
      液氨是具有刺激性臭味，具有毒性的物质，在一定条件下可燃可爆，因此在设备设计上必须考虑其安全性。其次，液氨工作压力高，渗透性强，所以对发酵罐的夹套焊接质量要求极高。要注意夹套的结构形式设计，并保证各处焊接良好，不得有液氨渗漏，否则会出现严重的质量和安全问题。
      因此，如果你打算给你的啤酒厂发酵罐使用液氨直接蒸发冷却方式降温，一定要找靠谱的厂家购买优质的设备。

精酿啤酒設備,啤酒廠設備,錐形發酵罐

好啦~以上就是精酿啤酒設備中錐形發酵罐控溫的相關內容啦！歡迎大家和我一起探討精釀啤酒的相關知識哦！

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