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Designing and Installing a local Exhaust Ventilation to Exposure Control for Soldering Fumes in an Electronic Components Manufacture Industry in Kerman (2018)
Mokhles Bateni Engineer1 , Hossein ElahiShirvan Engineer * 2, Amene Ghamari Engineer3 , Zahed Ahmadi Engineer1 , Jamal Bigane Engineer4
1- kerman university of medical science
2- kerman university of medical science , hosseynelahi12@gmail.com
3- hamedan university of medical science
4- semnan university of medical science
Abstract:   (331 Views)
Introduction
There are different strategies to reduce employees’ exposure to chemical contaminants and their emission in workplaces out of which local exhaust ventilation is the most common engineering system that best suits our needs. The current study aims to design and install a local exhaust ventilation to control exposure to soldering fumes in an electronic components manufacture industry.
Materials and Methods
This is an Experimental study carried out in three steps in an assembly line for electronic components in Kerman in the summer of 2018: 1- collecting samples of contaminants produced during soldering 2- designing, manufacturing and installing a local exhaust ventilation 3- collecting samples of contaminants produced during soldering after designing an exhaust ventilation.
Results
The results showed that employees had more exposure to tin and lead contaminants before designing and installing a local exhaust ventilation that was above the allowed rate. The results of designing an exhaust ventilation of 20.5 m3/min showed that tin and lead fumes rates could reach below the allowed rates in all workplaces.
Conclusion
The investigation and comparison of the allowed rates of exposure to soldering fumes and the density rates in workplaces before and after designing the local exhaust ventilation proved the high efficiency of controlling methods in the assembly line of electronic components
Keywords: fumes, local exhaust ventilation, occupational exposure, electronic components
     
Type of Study: Orginal Article | Subject: Occupational Health
Received: 2019/02/11 | Revised: 2019/07/6 | Accepted: 2019/09/2 | ePublished ahead of print: 2019/12/10
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