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Dynamic Wort Boiling

机译：动态麦汁煮沸

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Dynamic low-pressure boiling for wort production was introduced to the brewing industry several years ago. The physical process of modern dynamic low-pressure boiling is explained in this paper. Wort boiling is the production step with the highest energy consumption in the brewery, and this has driven Hrch. Huppmann GmbH to invest resources in developing this technology. Results from industrial trials are reported and show a positive impact on the behavior of nitrogen components and flavor-related indicators such as dimethyl sulfide (DMS) and thiobarbituric acid. Different steps leading to an optimization of the wort-boiling process can be implemented separately or as a complete package, e.g., wort heating, wort boiling, and whirlpool technique. Preheating with and without an energy storage system successfully avoids pulsation of the internal boiler during heating and thus contributes to the gentle treatment of the foam-positive protein fractions. Dynamic low-pressure boiling uses a temperature range of 100-103℃ for wort boiling. With the number of pressure-buildup intervals, the intensity of the pressure, and the rate of alteration of the pressure Δp/Δt, all necessary parameters of wort boiling, such as stripping of undesirable flavors, DMS formation, the coagulation process, color, etc., can be influenced over a wide range. With these factors, total evaporation can be reduced to 4-5%. The paper will in-corporate the latest results and experiences from recent installations, showing that the technology improves product quality and that reduced evaporation rates will lead to substantial savings in primary energy and cost.
机译：用于麦汁生产的动态低压沸腾是在几年前引入酿造行业的。本文阐述了现代动态低压沸腾的物理过程。麦汁煮沸是啤酒厂中能耗最高的生产步骤，这推动了赫奇的发展。 Huppmann GmbH投入资源开发这项技术。报告了工业试验的结果，这些结果显示了对氮成分和风味相关指示剂（例如二甲基硫醚（DMS）和硫代巴比妥酸）的行为的积极影响。导致麦汁煮沸过程最优化的不同步骤可以分开实施，也可以作为完整的包装实施，例如麦汁加热，麦汁煮沸和漩涡浴技术。带有和不带有能量存储系统的预热可成功避免加热过程中内部锅炉的脉动，从而有助于对泡沫阳性蛋白馏分进行温和的处理。动态低压煮沸使用麦汁煮沸的温度范围为100-103℃。随着压力增加间隔的数量，压力的强度以及压力的变化率Δp/Δt，麦芽汁煮沸的所有必要参数，例如去除不良风味，DMS形成，凝结过程，颜色，等等，可能会受到很大的影响。有了这些因素，总蒸发量可以降低到4％至5％。本文将结合最近安装的最新结果和经验，表明该技术可提高产品质量，降低的蒸发速率将导致大量节省一次能源和成本。

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