球磨机研磨泥浆粒度检测研究.doc

球磨机研磨泥浆粒度检测研究 摘 要:目前陶瓷泥浆粒度的检测主要采用传统的筛析法，测量效率低，精度也不高，严重阻碍着陶瓷生产的自动化。本课题研究、设计了一套新型的检测装置，包括上位机监测软件与下位机检测电路。依据量子光学与光量子器件国家重点实验室论证的光的后向散射光强与泥浆粒度呈线性关系理论，创造性地采用双D光纤实现光束的发射和接收，将接收陶瓷泥浆颗粒对光信号的后向散射光线，利用光纤放大器将其转化成对应的电压信号，对电压信号进行模数转换，经过单片机的处理得到我们需要检测的数据，通过检测不同粒度下的陶瓷泥浆样本，记录、分析各组电压值和陶瓷泥浆粒度的关系。得到的结论是测得的电压值与泥浆粒度之间的曲线是线性的。该检测设备不仅拥有良好的粒度检测功能，还拥有良好的人机交互 以及优越的远程数据传输功能。本测量装置性能稳定、测量准确、性价比高，能够广泛应用于陶瓷生产中。 关键词：双D光纤传感器，光纤放大器，单片机，后向散射理论 Abstract:At present ceramics mud densitys examination mainly depended on the traditional sieve analysis method.However,the low efficiency and accuracy seriously hindered the automation of the ceramics production.The project researched and designed a new detection device,which included host computer’s monitoring circuits and lower machine’s detection circuit.It depended on the Quantum Optics and Quantum Optics Devices State Key Laboratory’s theory that the intensity of backward light scattering was proportional to the density of mud.The device utilized double-D fiber to transmit and receive beams creatively.It used fiber amplifiers to translate the backscattering light of light signal went through the ceramic mud to the corresponding voltage signal.Then is the analog to digital conversion before we get the detection data disposed by the SCM.Through detecting the ceramic mud samples with different particle size,we analysed the relationship between the measured voltage and its corresponding ceramic mud’s paricle size.The conclusion was the voltage was proportional to the particle size.The device has good particle size detection function,good man-machine interaction and excellent remote data transmission function.Because of its stable performance,measurement accuracy and cost-effective, the measuring device can be used in ceramic production widely. Key words: double-D optical fiber sensor, optical fiber amplifiers, microcontroller, backscatter theory 第一章 绪论 1.1课题设计的目的与意义 改革开放以来，由于陶瓷生产企业的迅速发展，先进技术的不断更新，我国的陶瓷产量迅速增加。目前，我国的陶瓷生产能力已形成相当的规模，成为世界上陶瓷生产第一大国，占世界总产量的三分