Study On Moisture Feedback-control Technology In Explosives Drying Process

In the explosives production process, the drying is a key step and the product’s moisturecontent is also one of the main indicators to measure the performance of the drying product.The merits of water and air temperature control technology levels in drying process not onlydirectly affect the final drying effect, but also are related to energy consumption andproduction efficiency. This paper is combined with drying crafts to study the moisture andtemperature control technology in the drying process.Based on the requirements of explosive drying control, the scheme of bidirectional motorcontrol is designed; for the features of nonlinear, large inertia, lagging and complexity, thispaper proposes moisture control program based on model predictive control. In the analysis ofthe applicability and advantage for the traditional PID control strategy and the fuzzy controlstrategy, this paper uses conventional PID algorithm to control the water temperature,employs adaptive fuzzy PID algorithm to control wind temperature and apply MATLABsoftware on simulation studies. The results show the above control schemes meet therequirements of the drying and control process. Because of the key factors affectingexplosives automatic in drying moisture control system, a model of predictive control systemsis established to pipe water temperature, air temperature and moisture content, and passes thetheoretical analysis. For the actual explosives drying production line, developed a moisturefeedback control system. Through verifying the effectiveness of the method shows that thedeveloped system meets the requirements of the actual production process, and it has betterreliability and job stability.