Controlling Energy Utilisation at Reheat Furnace Using Time Series Model
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Biswabrata Pradhan
Abstract
In this work, we discuss the steps for establishing a relationship between two time series in an industrial set up. The reheat furnace is the heart of the hot strip mill in a steel plant. In the hot strip mill, steel slabs are heated at high temperature at the reheat furnace before rolling. Furnace temperature depends upon the gas flow rate to burners of the furnace. We make an attempt to establish a relationship between furnace temperature and gas flow rate for controlling energy utilization at the furnace. The data collected on temperature and gas flow rate are time series in nature. We first check whether the order of the two time series are same or not by the Augmented Dickey-Fuller (ADF) unit root test. In the event of same order of the series, we establish the relationship between furnace temperature and gas flow rate by an ordinary least squares (OLS) regression method. The relationship is quite satisfactory and can be used for prediction and controlling energy utilisation.
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Articles in the same Issue
- Uncertainty and E-Learning
- Selection of Bayesian Single Sampling Attributes Plans Based on Polya Distribution
- Controlling Energy Utilisation at Reheat Furnace Using Time Series Model
- A Replacement Policy Based on Down Time for a Cold Standby System with Dependent Lifetime and Repairtime
- Inference on a Sharp Jump in Hazard Rate: A Review
- Multivariate EWMA Charts with Variable Sampling Intervals
- Quartile Double Rankled Set Sampling for Estimating the Population Mean
- Control Charts for Mean under Shrinkage Technique
- A Note on Maximum Entropy in Queueing Problems
- Gini's Mean Difference Based Time-Varying EWMA Charts
- A Note on the XIX IMEKO World Congress Fundamental and Applied Metrology
