DESIGN AND DEVELOPMENT OF COTTON
DUST EVALUATION INSTRUMENT
A PROJECT REPORT
Submitted by
S.S.BHARANEDHARAN (0710202008)
T.P.JEEVANANDAN (0710202017)
M.JAYAKUMAR (0710202304)
T.V.SATHEESH (0710202311)
in partial fulfilment for the award of the degree
of
BACHELOR OF TECHNOLOGY
in
TEXTILE TECHNOLOGY
KUMARAGURU COLLEGE OF TECHNOLOGY
COIMBATORE – 641 049
(An Autonomous Institution Affiliated to Anna University of Technology, Coimbatore)
APRIL 2011
BONAFIDE CERTIFICATE
Certified that this project “DESIGN AND DEVELOPMENT OF COTTON
DUST EVALUATION INSTRUMENT” is the bonafide work of
“S.S.BHARANEDHARAN (0710202008), T.P.JEEVANANDAN
(0710202017), M.JAYAKUMAR (0710202304), T.V.SATHEESH
(0710202311)” who carried out the project work under my supervision during
the year 2010-2011.
SIGNATURE SIGNATURE
Dr. K. THANGAMANI Mr. R. SENTHIL KUMAR
PROFESSOR AND HEAD SUPERVISOR
Department of Textile Technology ASSISTANT PROFESSOR (SRG)
Kumaraguru College of Technology Department of Textile Technology
Coimbatore – 641 006. Kumaraguru College of Technology
Coimbatore – 641 006.
Submitted for the Project Viva-Voce examination held on _____________
Internal Examiner External Examiner
ACKNOWLEDGEMENT
I express my sincere gratitude to our beloved Co-Chairman, Dr.B.K.Krishnaraj
Vanavarayar, Dr.J.Shanmugam, Director and Dr.S.Ramachandran, Principal for their
constant support and allowing us to use the facilities of the institution.
I express my whole hearted thanks to Dr.K.Thangamani, Head of the Department,
Kumaraguru College of Technology, for having been a source of encouragement and for
instilling the vigour for doing this project.
It gives me great pleasure to express my deep sense of gratitude to my supervisor, Mr.
R.Senthil Kumar, Assistant Professor (SRG), Department of Textile Technology,
Kumaraguru College of Technology for his innovative guidance, expert suggestions and
constant encouragement at every step in the project.
I would like to dedicate my hearty and sincere thanks to Mr. Subramanian, Trytex
Machine Co, for helping in the fabrication of the instrument and I also extend my thanks to
Sri Karpagam Mills India (P) Ltd, Sri Venkateshwara Spinners and Sri Palani Murugan
Spinning Mill for permitting us to do our project work in their premises who with their
confidence in us, critical comments of the work, patience in listening to our reflections and
articulated response have stimulated our thoughts for further work.
I would like to express my thanks to all the teaching and non-teaching staff for their
help during this project. I also thank my parents and friends for their continuous support
throughout my course of study.
TABLE OF CONTENTS
CHAPTER NO. TITLE PAGE NO
ABSTRACT I
LIST OF TABLES II
LIST OF FIGURES III
LIST OF ABBREVIATIONS IV
1. INTRODUCTION
1.1 Pollution in Textile Industry 1
1.2 Objectives 3
2. LITERATURE REVIEW
2.1 Pollution in the Textile Industry 4
2.2 Air Pollution 4
2.2.1 Air Pollution in Spinning Mill 4
2.2.2 Air Pollution in Weaving Mill 5
2.2.3 Emissions from Textile Processing 5
2.3 Concentration Limits of Dust in Air Stream in
Textile Processes 5
2.4 Frequency of Re-Circulation of Air in a Typical
Textile Mill 6
2.5 Cotton Dust 6
2.5.1 Classification of Cotton Dust 7
2.5.2 Types of Dust 7
2.5.3 Generation of the Cotton Dust During
Manufacturing 8
2.5.4 Health Hazards Associated With Cotton
Dust Exposure 8
2.5.5 Permissible Exposure Limits for Cotton
Dust 10
2.5.6 Vertical Elutriator 10
2.5.7 Preventive Measures 11
2.6 Dust Sampling 11
2.7 Dust Measurement 12
2.8 Filtration 13
2.8.1 Principles of Filtration 13
2.8.2 Filter Fabric Forms 13
2.8.2.1 Woven Filter Media 13
2.8.2.2 Non- woven Fabrics as Filter Media 14
2.9 Filtration – Terms and Definition 15
3. MATERIALS AND METHODS
3.1 Materials 16
3.1.1 Filter Fabric Particulars 16
3.2 Design of Dust Evaluation Instrument 16
3.2.1 Dust Evaluation Instrument Based on
Fan Speed Variation 16
3.2.2 Dust Evaluation Instrument Based on
Air Flow Principle 17
3.3 Fabrication of Dust Evaluation Instrument 18
3.3.1 Parts and Function of Dust Evaluation
Instrument 18
3.3.2 Cotton Dust Evaluation Instrument
- Front View