| In today’s energy conservation is widely concerned in the international scope, and much attention. Especially metallurgical enterprises is the large energy consumption. Fuel consumption of metallurgical furnace is the largest energy consumption. However, fuel consumption is not renewable. How to adopt the reasonable design scheme and efficient use of energy, controlling the temperature of combustion in the furnace properly, it plays an important role in improving the quality and yield of metal heating, prolonging the life of the furnace body, reducing the oxidation loss, saving energy and reducing consumption.This paper from the view of saving gas fuel, on reasonable design the furnace temperature control system. Using the temperature control system composed of Siemens company S7-200 series PLC, Master communication method of the computer and programmable controller (PLC) temperature control system. PLC principle is used by software part to realize the system control, the hardware part adopts thermocouple in the field, measurement of fuel flow is by flowing measuring instrument, the electrical signal outputted by the thermocouple supply the comparison circuit of regulator were compared with a given numerical, If there is a difference, this difference through the operational amplifier and sends out the instruction to the actuator, finally by the actuator to perform tasks. Application of configuration simulation interface, virtual actual conditions, The master-slave real-time monitoring system composed of computer and PLC, to giving full play to their respective advantages in the industrial control, To realizing new features decentralized control and centralized monitoring and so no. Writing the part program, in order to studying the effective and reasonable using of energy field is mainly. Combining with the typical furnace, reasonable utilization of energy and effective control method of metallurgical furnace that is a huge energy consumption equipment put forward the reasonable design and improvement scheme. Thus it is effectively implemented in application field, contributing for enterprises to save energy and Create economic benefits. |
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