ABSRACT
The
fabrication of a set of sieves and shaker was carried out in paliton workshop, Enugu. After a thorough
analysis on the suitable materials to be used in fabrication, galvanized steel
was chosen due to its advantages over materials of fabrication. The fabrication
was carried out in order to analyze the sizes of particles. The component parts
of the sets of sieve and their dimensions are as follows:
Height of
sieve 5.5cm
Number of
sieves 7
Diameter of
sieve 13.5cm
Shape of
sieve circular
Height of
sieve set 44cm
In fabricating this set of sieves,
some factors were taken into consideration and they are:
The
capacity of the sieve.
The type of
mixture that can be filtered in it.
The types
of properties and composition of the mixture.
The type of
material to be used for fabrication of the sieve and shaker.
The
mechanism of the filtration process and also,
The cost,
which is the determinant, factor in fabrication of any equipment.
These
factors help greatly in the fulfillment of the objective of this project study.
And after fabrication the projects were tested and seem to be working very
efficiently with a reasonable separation of particle and cut diameter.
Using the above dimensions, the
following fabrication procedures were undertaken, layout, cutting, drilling,
welding, filling sand papering, washing and painting, drying assembling.
Finally, the set of sieves and shaker were subjected
to the process of washing, painting and drying.
TABLE OF CONTENT
Title page
Approval
page
Letter of
transmittal
Dedication
Acknowledgement
Abstract
Table of
content
CHAPTER ONE
1.0
INTRODUCTION
CHAPTER TWO
2.0
LITRATURE
REVIEW
2.1 Model
2.2
Screening
2.3
Types of screens
2.4
Screen surface
2.5
Factors in selecting screen equipment
2.6
Method of feed
CHAPTER THREE
3.0
MATERIAL OF
CONSTRUCTION
3.1
Aluminum and aluminum alloy
3.2
Carbon and low alloys steel
3.3
Corrosion
3.4
Contact or galvanic corrosion
CHAPTER FOUR
4.0
FABRICATIONAL
PROCEDURE
4.1
Layout
4.2
Cutting
4.3
Drilling
4.4
Welding
4.5
Filling
4.6
Sand papering
4.7
Washing and painting
4.8
Drying
4.9
Assembling
CHAPTER FIVE
5.0
OPERATION
AND MANTENANCE
5.1
Function of some parts of the electrically vibrated
screen.
CHAPTER SIX
6.0
RECOMMENDATION
AND CONCLUSION
6.1 Costing
REFERENCE.
CHAPTER ONE
1.0
INTRODUCTION
Generally,
all engineering aspects involve fabrication more especially for chemical plants
or equipment, which are used for several processes. This fabrication is carried
out so as to achieve and put to practice chemical processes with the help of
some components for equipment used for the fabrication procedures enables
engineers to deal with operations for separating the component of a mixture,
which is automatically based on particle size analysis of materials from one
particular sieve to another.
Chemical engineering mostly deals with
the fabrication of sieve among other fabrication in order to fulfil the theory
of separation technique. In separation processes especially particle size
analysis is where sieving technique are available.
During the operation of particle size
analysis, many types of screen can be involves, which include Grizzy screens,
Revolving screens, mechanical shaking screens, vibrating screen, electrically
vibrated screens, oscillating screen, Reciprocating screens and Gyratory screens.
As this
project involves the fabrication of set of sieves, it therefore requires good
layout and easy separation of oversize and undersize in the contacting sieve
unit.
Moreover, in the fabrication of set if
sieves, we have to bear certain qualities in mind in which the set of sieves
will have to portray such as determination of size and shape of the equipment,
which contributes to the efficiency of the equipment. Among the above aim, the
set of sieves should be considerable in terms of costing and also availability
and portability of the set of sieve should be considered.
Above all, the set of sieve is
fabricated in such a way that the particle of larger size than that of the
sieve will be retained on the sieve while the particle of lower size will pass
through the sieve and be collected on and9othet sieve as undersize, which is
also separated by that sieve.
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