The SRRC Cotton Dust Sampler as a Substitute for the Vertical Elutriator.
Batra-SK; Shang-PP; Hersh-SP
Proceedings of the Symposium on Cotton Dust: Sampling, Monitoring, and Control, Textile Engineering Industries Conference and Exhibit, October 7-8, 1980, Atlanta, Georgia 1980:23-31
Due to various shortcomings of the vertical elutriator (VE), efforts were directed toward the building of a Southern Regional Research Center (SRRC) precutter cotton dust sampler. The design of the precutter was based on the impaction principle. The precutter consisted of an inlet tube, an impaction platform, and an outlet tube. Converting the precutter to a sampler required only a minor modification in the design. The outlet tube was replaced by a ferrule that could accept the standard 37 millimeter filter cassette. The jet was designed as a uniform circular tube over most of its length with a short portion of its inlet end being shaped as an axisymmetric funnel. Several additional features were built into the new unit. The SRRC sampler collected respirable cotton dust on its filter without the inclusion of substantial amounts of lint and lint fragments. This lint rejection was a large improvement over the VE. The authors suggest that the lint free, respirable cotton dust determined by an SRRC sampler operated at a cutoff of 15 micrometers is a more accurate measure than the value determined by a standard VE.
NIOSH-Grant; Control-technology; Dust-control; Cotton-dust; Plant-dusts;
Textile Materials & Management North Carolina State Univ Post Office Box 5006 Raleigh, N C 27607
Control Technology and Personal Protective Equipment; Research Tools and Approaches; Control-technology;
Proceedings of the Symposium on Cotton Dust: Sampling, Monitoring, and Control, Textile Engineering Industries Conference and Exhibit, October 7-8, 1980, Atlanta, Georgia
North Carolina State University Raleigh, Raleigh, North Carolina