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Article

Lightweight Equipment Using Multiple Torches for Fast Speed Asphalt Roofing

1
Mechanical Engineering Area, Universidad de Alcalá, 28801 Alcalá de Henares, Spain
2
Industrial Engineering Department, Ingeniería Industrial Ibérica S. A., 28034 Madrid, Spain
*
Author to whom correspondence should be addressed.
Energies 2020, 13(9), 2216; https://doi.org/10.3390/en13092216
Received: 7 April 2020 / Revised: 18 April 2020 / Accepted: 20 April 2020 / Published: 2 May 2020
(This article belongs to the Special Issue Energy Processes, Systems and Equipment)
In this work, we describe the design and test of a new piece of equipment, developed in order to enhance speed, gas consumption and safety during the manual asphalt roofing process. The novelty of the equipment is based on the use of a set of five parallel gas burners located in front of the roll to maximize heat transfer. The equipment is light and can be used by any worker on any type of roof. It also includes a thermal insulation cover to significantly reduce gas consumption and, thus, to reduce CO2, SO2, and other non-eco-friendly emissions. In this paper, we present the mechanical and thermal design and analysis of the equipment, Computer Fluid Dynamics (CFD) simulations for heat transfer calculation, a description of the manufacturing and assembly, a preliminary thermal test, and an operational test. The results demonstrate an installation speed of 1.75 m2/min, for 3 kg/m2 rolls, which translates to around 700–735 m2 per person per day, more than twice the usual manual roofing rate. Nevertheless, some issues need to be resolved, such as the nonuniform heat distribution and the low heat transfer at the end of the roll installation. View Full-Text
Keywords: fuel burners; asphalt roofing; heating equipment fuel burners; asphalt roofing; heating equipment
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MDPI and ACS Style

Barragán-García, A.; Fernández-Muñoz, M.; Díez-Jiménez, E. Lightweight Equipment Using Multiple Torches for Fast Speed Asphalt Roofing. Energies 2020, 13, 2216. https://doi.org/10.3390/en13092216

AMA Style

Barragán-García A, Fernández-Muñoz M, Díez-Jiménez E. Lightweight Equipment Using Multiple Torches for Fast Speed Asphalt Roofing. Energies. 2020; 13(9):2216. https://doi.org/10.3390/en13092216

Chicago/Turabian Style

Barragán-García, Alberto, Miguel Fernández-Muñoz, and Efrén Díez-Jiménez. 2020. "Lightweight Equipment Using Multiple Torches for Fast Speed Asphalt Roofing" Energies 13, no. 9: 2216. https://doi.org/10.3390/en13092216

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