Development of a Dust Respirator by Improving the Half Mask Frame Design

Oleg Bazaluk, Serhii Cheberiachko, Yurii Cheberiachko, Oleh Deryugin, Vasyl Lozynskyi, Ivan Knysh, Pavlo Saik and Mykola Naumov
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Oleg Bazaluk: Belt and Road Initiative Institute for Chinese-European studies (BRIICES), Guangdong University of Petrochemical Technology, Maoming 525000, China
Serhii Cheberiachko: Department of Labour Protection and Civil Safety, Dnipro University of Technology, 49005 Dnipro, Ukraine
Yurii Cheberiachko: Department of Labour Protection and Civil Safety, Dnipro University of Technology, 49005 Dnipro, Ukraine
Oleh Deryugin: Department of Transportation Management, Dnipro University of Technology, 49005 Dnipro, Ukraine
Vasyl Lozynskyi: Department of Mining Engineering and Education, Dnipro University of Technology, 49005 Dnipro, Ukraine
Ivan Knysh: Department of Labour Protection and Civil Safety, Dnipro University of Technology, 49005 Dnipro, Ukraine
Pavlo Saik: Department of Mining Engineering and Education, Dnipro University of Technology, 49005 Dnipro, Ukraine
Mykola Naumov: Department of Labour Protection and Civil Safety, Dnipro University of Technology, 49005 Dnipro, Ukraine

IJERPH, 2021, vol. 18, issue 10, 1-12

Abstract: Protective efficiency of filtering dust respirators depends on the properties of filter materials from which filters are made and the structure of a half mask frame, which influences how tightly the respirator fits the face. The conducted studies on the “Lepestok 40” dust respirator revealed a large air leakage through the gaps occurring along the obturation strip. Therefore, the purpose of the study is to develop a dust respirator to provide high level of protection and usability by improving the half mask frame design. A scheme for designing a dust respirator: analysis of operating conditions for the dust respirator; facial anthropometric measurements of potential users; designing a 3D model of half mask frame; laboratory testing of the protective properties of the product. A distinctive feature of this approach is considering the facial anthropometric dimensions of employees of a particular enterprise, standard sizes formation of 3D facial models, which is the basis for designing a half mask frame for dust respirator. A new half mask frame design for dust respirator with a variable geometry of fitting to the face surface has been developed, due to special attachment points that allow changing its size according to the anthropometric dimensions of user’s face.

Keywords: dust respirator; half mask frame; protective efficiency; anthropometric dimensions; inward leakage coefficient (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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