A modular 3D printed isothermal heat flow calorimeter for reaction calorimetry in continuous flow,Reaction Chemistry & Engineering

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A modular 3D printed isothermal heat flow calorimeter for reaction calorimetry in continuous flow
Reaction Chemistry & Engineering ( IF 3.4 ) Pub Date : 2020-05-27 , DOI: 10.1039/d0re00122h
Manuel C. Maier _{1,

2,

3,

4,

5} , Michael Leitner _{1,

2,

3,

4,

5} , C. Oliver Kappe _{3,

4,

5,

6,

7} , Heidrun Gruber-Woelfler _{1,

2,

3,

4,

5}

Affiliation

Utilization of highly reactive compounds in novel flow syntheses requires new tools for process development. This work presents such a tool in the form of a modular calorimeter designed for direct heat flux measurements in continuous flow applications. The calorimeter consists mainly of 3D printed parts, which can be adapted and reassembled easily to meet user-defined applications. By utilizing selective laser melting (SLM) of stainless steel and digital light processing (DLP) of a UV curable resin, a device is produced to meet the requirements of handling highly reactive organic compounds. Calorimeter segments are temperature-regulated independently of each other by a microcontroller, allowing isothermal operation conditions. Direct heat flux measurements are possible in the device through Seebeck elements which are calibrated internally at prevailing process conditions with the aid of heating foils. Functionality of the designed calorimeter is shown by good agreement of conducted heat flux measurements with literature.

中文翻译：

模块化3D打印等温热流量仪，用于连续流动中的反应量热

在新型流动合成中利用高反应性化合物需要用于工艺开发的新工具。这项工作以模块化量热计的形式介绍了这种工具，该工具设计用于连续流应用中的直接热通量测量。量热仪主要由3D打印部件组成，可以轻松进行调整和重新组装，以满足用户定义的应用程序。通过利用不锈钢的选择性激光熔化（SLM）和紫外线固化树脂的数字光处理（DLP），可以生产出满足处理高反应性有机化合物要求的设备。热量计段由微控制器彼此独立地进行温度调节，从而实现了等温运行条件。通过塞贝克元件，可以在设备中直接测量热通量，这些元素可以在主要工艺条件下借助加热箔片在内部进行校准。通过进行的热通量测量与文献的良好一致性，可以显示出所设计的量热仪的功能。

更新日期：2020-07-28

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