Influence of Air Infiltration on Combustion Process Changes in a Rotary Tilting Furnace
, Augustin Varga 1, Gustáv Jablonský 1, Miroslav Variny 2, Réne Atyafi 1, Ladislav Lukáč 1, Marcel Pástor 1 and Ján Kizek 3Round 1
Reviewer 1 Report
Review paper presents laboratory tests of the design features of the rotary tilting furnace after changing the design features of the door to reduce the air infiltration rate by about 20%. The work is interesting and written correctly, the language is satisfactory, in the work has been cited 42 literature references correctly matched. I found relatively a few deficiencies remarks which are presented below:
- Page 7, line 193 – chemical symbol of hexane is written as “C6H14” and it should be “C6H14”.
- Page 7, line 201 and other lines containing units – the unit is written as follows “m3* m-3” – star as superscript is unnecessary.
- Page 8, line 232, title of Figure 7 - in brackets is “m3 per m3”; I think it should be “m3 per m3” or “m3 m-3”.
- Please consider - should Equation 6 (Darcy-Weisbach equation) not include local resistances ?
These remarks are a commentary on the work and have no effect on quality of the paper.
Author Response
Thank you very much for your positive evaluation of our manuscript. Your valuable comments were incorporated in the revised manuscript. Queries No. 1 to 3 were corrected. Query 4, related to the Equation (6), was solved by modifying the addressed text in the following way: "The pressure difference between the ambient air and the inside of the furnace is related to the volumetric flow of air infiltration by Equation (6) if the frictional pressure losses are neglected. Their effect transposes into the measured oxygen content in the flue gases and, followingly, into the calculated air infiltration." Please see lines (204-207) in the revised manuscript as well.
Reviewer 2 Report
The MS entitled INFLUENCE OF AIR INFILTRATION ON COMBUSTION PROCESS CHANGES IN A ROTARY TILTING FURNACE presents the novel design of the rotary tilting furnace door with all the needed study related to the temperature distribution and changes of the oxygen concentrations. The authors present the problem of air infiltration in the tilting furnace and its influence on the process efficiency. The paper has a clear sequence of descriptions and simple but useful ideology. The structure of the paper is correct. The authors presented all the needed data to prove their thesis, that by decreasing the gap width of the furnace door, the thermal efficiency and the operating costs will be improved. The figures are understandable, readable and correctly described.
I recommend to double check the English of the paper, as it contains some minor errors.
The paper meets the expectations of the journal. I would suggest accepting the paper after minor English corrections.
Author Response
Thank you very much for your positive evaluation of our manuscript. The revised manuscript has been double-checked for possible language errors: first by a native speaker expert in metallurgy before manuscript submission and by a certified
speaker during the manuscript revision stage.
