·Typical high capacity continuous reheating furnaces for steel billets blooms or slabs are walking beam furnaces and pusher type furnaces [10] These types of furnaces are usually directly gas fired A central air recuperator is installed for off gas heat recovery purposes i e combustion air preheating see reference case 1
·Typical example of a batch type furnace > Box type furnace > Heating up of scrap/ingots/billets > Manual charge/discharge of the batches > Operating T = 1200 °C > Operating cycle heat up / hold / cool down > Output 10 15 tons/day > Fuel used depending on material and number of reheating cycles per day
·Modelling of the reheating furnace In all types of the hot rolling operation the reheating furnace is a critical component determining quality of end product Hence the reheating process needs precise control of the stock temperature and temperature uniformity over the entire heating period While the energy consumption in a reheating
·gy saving type reheating furnace In the decade of 1990 to 2000 in compliance with the global trend of reducing greenhouse gas CO 2 emissions there were many reports regarding newly constructed reheating furnaces equipped with regenerative type burners and then existing reheating furnaces being converted to the regenerative burner type
·In the past few decades several numerical models have been developed for different types of reheating furnaces using different types of fuel [1][2][3][4][5][6] [7] [8][9][10][11][12][13][14][15
·type of reheating furnace Refractory solution is to be within the available budget 4 Lining of individual parts of reheating furnace Lining towards the outer atmosphere consists of Sidewalls Sidewals of the reheating furnace are required to
The types of continuous furnaces include pusher type furnace Figure 2 walking hearth type furnace rotary hearth and walking beam type furnace Figure 2 The primary energy required for reheating / heat treatment say annealing furnaces are in
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