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基于飞行时间的超声层析成像技术在间歇结晶过程研究中的应用。

Ultrasonic Time-of-Flight Computed Tomography for Investigation of Batch Crystallisation Processes.

机构信息

Engineering Tomography Laboratory (ETL), Department of Electronic and Electrical Engineering, University of Bath, Bath BA2 7AY, UK.

Research & Development Centre Netrix S.A., Wojciechowska 31, 20-704 Lublin, Poland.

出版信息

Sensors (Basel). 2021 Jan 18;21(2):639. doi: 10.3390/s21020639.

DOI:10.3390/s21020639
PMID:33477565
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7831116/
Abstract

Crystallisation is a crucial step in many industrial processes. Many sensors are being investigated for monitoring such processes to enhance the efficiency of them. Ultrasound techniques have been used for particle sizing characterization of liquid suspensions, in crystallisation process. An ultrasound tomography system with an array of ultrasound sensors can provide spatial information inside the process when compared to single-measurement systems. In this study, the batch crystallisation experiments have been conducted in a lab-scale reactor in calcium carbonate crystallisation. Real-time ultrasound tomographic imaging is done via a contactless ultrasound tomography sensor array. The effect of the injection rate and the stirring speed was considered as two control parameters in these crystallisation functions. Transmission mode ultrasound tomography comprises 32 piezoelectric transducers with central frequency of 40 kHz has been used. The process-based experimental investigation shows the capability of the proposed ultrasound tomography system for crystallisation process monitoring. Information on process dynamics, as well as process malfunction, can be obtained via the ultrasound tomography system.

摘要

结晶是许多工业过程中的关键步骤。许多传感器正在被研究用于监测这些过程，以提高它们的效率。超声技术已被用于液体悬浮液的颗粒尺寸特性化，在结晶过程中。与单点测量系统相比，具有超声传感器阵列的超声层析成像系统可以在过程内部提供空间信息。在这项研究中，在碳酸钙结晶的实验室规模反应器中进行了间歇结晶实验。通过非接触式超声层析成像传感器阵列进行实时超声层析成像。在这些结晶功能中，考虑了注入速率和搅拌速度作为两个控制参数。使用了传输模式超声层析成像，其中包括 32 个中心频率为 40 kHz 的压电换能器。基于过程的实验研究表明，所提出的超声层析成像系统具有用于结晶过程监测的能力。可以通过超声层析成像系统获得有关过程动力学以及过程故障的信息。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/a818175a41c6/sensors-21-00639-g013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/7696d7b6f05e/sensors-21-00639-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/c31a1899d948/sensors-21-00639-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/38a3211aa599/sensors-21-00639-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/b76cda810468/sensors-21-00639-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/c94881ed2f78/sensors-21-00639-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/5b62e1d2dc9e/sensors-21-00639-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/53bc5f2fb4af/sensors-21-00639-g012a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/a818175a41c6/sensors-21-00639-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/9733e5e285fe/sensors-21-00639-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/39407885e399/sensors-21-00639-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/6d8b4c6b7d30/sensors-21-00639-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/23cf6cf83ba1/sensors-21-00639-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/a5a5301b9a9a/sensors-21-00639-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/7696d7b6f05e/sensors-21-00639-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/c31a1899d948/sensors-21-00639-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/38a3211aa599/sensors-21-00639-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/b76cda810468/sensors-21-00639-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/c94881ed2f78/sensors-21-00639-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/5b62e1d2dc9e/sensors-21-00639-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/53bc5f2fb4af/sensors-21-00639-g012a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d7ac/7831116/a818175a41c6/sensors-21-00639-g013.jpg

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