KWARA STATE POLYTECHNIC, ILORIN OPERATION AND MAINTENANCE OF STEAM BOILER

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ABSTRACT

The steam boiler is to control specification problem, to illustrate how the evolving algebra approach to the specification and the verification of complex system can be exploited for a reliable and well documented development of executable but formally inspectableand systematically modifiable code. A hierarch of stepwise defined abstract machine model in developed, the ground version of which can be checked for whether it faithfully reflects the informally given problem.The sequence of machine model the yield various abstract views of the system, making the various design decisions transparent, and leads to CH programs.The Abstract machine are evolving algebras and thereby have a rigorous semantically foundation allowing us to formalize and prove, under precisely stated assumption, some typical sample properties of the system.This provides insight into the structure of the system which supports easily maintenance extensions and modifications of both the abstract specification and the implementation.

TABLE OF CONTENT

Title                                                                                                   i

Certification                                                                              ii

Dedication   iii

Acknowledgement                                                                              iv

Abstract                                                                                             v

Table Content                                                                                    vi

CHAPTER ONE

  1. Introduction                                                                             1

1.1     Background of steam boiler                                                      4

1.2     Aim                                                                                          5

1.3     Objective of the study                                                               6

1.4     Scope of the Study                                                                   7

1.5     Justification of the study                                                           7

1.6     Statement of the study                                                             10

CHAPTER REVIEW

2.0     Literature Review                                                                     12

CHAPTER THREE

3.0     Materials and Method                                                                15

3.1     Description of the fuel used                                                      17

3.2     Procedure of the steam boiler machine                                      18     

3.3     Parts of the machine                                                                 20

3.4     Strength of the material used                                                    21     

3.5     Maintenance of steam boiler                                                     22

3.6     Mechanical properties of steam boiler                              22

3.7     Uses of steam boiler                                                                  24

3.8     Function of steam boiler                                                            25

3.9     Merits and demerits of steam boiler                                           26

CHAPTER FOUR

4.0     Experimental Analysis                                                               28

4.1     Result                                                                                      29

CHAPTER FIVE

5.0     Conclusion                                                                                30

CHAPTER SIX

6.0     Recommendation                                                                      33

6.1     Reference                                                                                 36

CHAPTER ONE

1.0    INTRODUCTION

A steam boiler is an enclosed vessel in which water is heated and circular, either as hot water steam, to produce a source to either heat or power. A central heating plant may have one or more boiler that use gas oil, or coal as fuel. The steam generated is used to heat building, provide hot water, and provide steam for cleaning, sterilizing, cooking and laundering operation. Small package boiler also provides steam and hot water for small building.

A careful study of his course can help you acquire useful knowledge of steam generation, types of boilers pertinent to boiler operations, various fitting commonly found on boilers, and so on. The primary objective of this chapter is to lay the foundation for you to develop skill in the operation, maintenance, and repair of boilers.

The boiler system is made up of:

1.       Feed water system

2.       Steam system

3.       Fuel system

Are feed water system provide water to the boiler and regulates it automatically to meet the steam demand. The water supplied to boiler that is converted to steam is called feed water the success of feed water are

1.       Condensates or condensed steam returned from the process

2.       Make up water which is the raw water which must come from outside.

Steam boilers have several strength that have made them a common feature of building. They have a long life, can achieve efficiency up to 95% or greater. Provide and effective method of heating a building and in the case of steam system required little or no pumping energy. However fuel costs can be considerable, regular maintenance is required and if maintenance is delay repair can be costly guidance for the construction, operation and maintenance of boilers is provided primary by the ASME <American society of mechanical engineers> which produce the following resources. Rule for construction of heating boiler and pressure vessel cods section IV-2007 Recommended rules for the car and operation of heating boilers, Boiler and pressure vessel code, section VII-2007. Boilers are often one of the largest energy users in a building. For every year a boiler system goes unattended boiler costs can increase approximately 10% boiler operation and maintenance is therefore a good place to start when looking for ways to reduce energy use and save money. Barry Allen (2008).

KWARA STATE POLYTECHNIC, ILORIN OPERATION AND MAINTENANCE OF STEAM BOILER

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