Implementación de un sistema de extracción de aire para los puestos de trabajo de soldadura OAW del centro de perfeccionamiento para el manejo de refrigerantes naturales: diseño del sistema de extracción.

Abstract

The degree project ""Design of the extraction system for the welding modules of the training center for the handling of refrigerant"" arises in order to meet the needs of extraction of gases (carbon dioxide, carbon monoxide, nitrous oxides and ozone) that are generated in the welding process to be carried out within the training center for the handling of natural refrigerants, these gases from oxyacetylene welding must be extracted properly in order not to be dispersed throughout the center. For the design of the extraction system of the improvement center for the use of natural refrigerants Revit MEP software was used which allowed the connection between the architectural survey of the site and the subsequent design of the system which will be coupled to the available space. Starting from the approach of 3 design proposals and once selected a proposal using the method of weighted criteria matrices of the system will proceed to perform the calculations for the extraction system, this section will address issues related to extraction such as the calculation of cubic feet per minute to be extracted from the center of improvement for the management of natural refrigerants. From the calculation of cubic feet per minute to extract the calculation of the pressure drop will be found both in the duct and in the accessories that this presents, after this calculation of pressure drop in the ducts will proceed to the selection of the fan that meets the extraction needs of the oxyacetylene welding modules of the improvement center for the use of natural refrigerants, finally the calculation of the selected pipeline for the application will be found.