Simulation model of the temperature inside an intermittent kiln of the clay ceramic industry

Reference Presenter Authors
13-047 Bruno Lima Souza Lima, Y.S.(Instituto Federal Fluminense); Morais, A.S.(Instituto Federal Fluminense); Ferreira, C.N.(Instituto Federal Fluminense); Souza, B.L.(Federal Fluminense Institute); The ceramic industry in Brazil is characterized by the low level of automation applied in its production process and by the cheap and low-skilled workforce. Among the obstacles observed for the implementation of automation in Brazilian ceramics, it is worth mentioning its high cost and the low qualification of the workforce at the operational level. A simplified and low cost Feed Control System (FCS) for intermittent kilns is proposed so that the firing is more homogeneous, consumes less fuel and, consequently, produces fewer environmental impacts. Therefore, the objective of this paper is to demonstrate the development of the simulation and the behavior of the FCS system. The simulation is done using the hardware-in-the-loop technique, where the system plan and its interaction is recreated in the Simulink of Matlab Software through blocks diagrams and the control system is executed in a PLC through control logic. The results (burn curve) of the simulation allow to state that the system behaves in a more stable way and the fuel expense decreases considerably when compared to the real system. The process of system simulation is of fundamental importance in the industries, especially of clay ceramics, so that it is possible to know how the system will behave before even being executed in practice and thus avoid possible unnecessary expenses.
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