Construction Of 2.5Kva Electric Cooker With Oven
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ABSTRACT
This project entails the design and construction of electric cooker with oven. The cooker is powered by electricity. The energy conservation in this electric cooker with oven involves the conversion of electrical energy to heat energy in the system. Materials used for the construction were selected based on their reliability availability, maintainability and durability. The device was tested and found to be working properly.
TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF STUDY
- PROBLEM STATEMENT
- AIM AND OBJECTIVE OF THE PROJECT
- PURPOSE OF THE PROJECT
- SIGNIFICANCE OF THE PROJECT
- SCOPE OF THE PROJECT
- LIMITATION OF THE PROJECT
- DEFINITION OF TERMS
- PROJECT WORK ORGANISATION
CHAPTER TWO
LITERATURE REVIEW
- REVIEW OF THE STUDY
- REVIEW OF DIFFERENT TYPES OF COOKER
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.1 INTRODUCTION
3.2 COMPONENT OF THE SYSTEM
3.3 DESIGN DIMENTION
3.4 WORKING PRINCIPLE OF THE SYSTEM
3.5 DESCRIPTION OF HEATING ELEMENT
3.6 PICTORIAL DIAGRAM OF AN ELECTRIC COOKER HEATING ELEMENT
3.7 SYSREM OVEN CIRCUIT DIAGRAM
CHAPTER FOUR
TEST AND RESULT ANALYSIS
- CONSTRUCTION PROCEDURE
- CASING AND PACKAGING
- ASSEMBLING OF SECTIONS
- PACKAGING
- TAKING CARE THE COOKER
- TROUBLESHOOTING
4.7 BILL OF ENGINEERING MEASUREMENTS AND EVALUATION
CHAPTER FIVE
5.0 CONCLUSION, RECOMMENDATION AND REFERENCES
- CONCLUSION
- RECOMMENDATION
- REFERENCES
CHAPTER ONE
- INTRODUCTION
The invention of electricity in the 18th century by Michael faraday brought about a new dimension in the art of cooking. The ease with which electricity can be applied directly to cooking led to the development of specified cooking devices. Cooking has become simpler and easier provided there is steady supply of power.
Electricity heating is the passage of electric current through a resistance wire to produce heat (converting electrical energy to heat energy). It is the only method by which an exact amount of heat can be produced precisely at the point where it is needed. Electricity heating is used in many home appliances such as electric driver, cookers, oven e.t.c to heat rooms and industrial processes, to provide high temperature required in various industrial processes, and heat lamps used for drying paint, baking and relief of muscular pain e.t.c.
The utilization of electrical energy for cooking has not been popular in the recent past and this is because it has for long been neglected in favour of the direct use of gas and oil for cooking in our homes, while the former is faster, more economical and easily available provided there is constant supply of electricity and the later is expensive, but as these fossil fuels diminishes, however the use of electricity for cooking purpose becomes more attractive option. (Louis et al, 1999) electric cooker is a device or a unit which converts electrical energy into heat energy used mostly for cooking, baking and roasting. It provides better cooking and permits efficient use of electricity, it is quick to use and it is relatively quite and devoid of any pollutant to the environment. The major importance of electric cooker which people tends to neglect is that, it helps to check desert encroachment due to deforestation caused as a result of cutting down of trees in forest to be used as fire ? wood (means of cooking), it also help in conserving of human energy and cost of cutting down and transportation of the firewood to the place where it is needed.
1.1 BACKGROUND OF STUDY
HEATING EFFECT
Electrical cooker is an appliance that works basically by the heating effect of electric current on conductors. Sometime, this heating effect is an inevitable waste of power for instance, in transmission of electricity on power lines in which the voltages at the terminals is evolved due to the heating of electric current.
However, the heat produced by the flow of electricity is utilized by many or equipments used at home and industries some of the practical applications of the concept are found in electric cooker, electric oven, and electric space heater inexhaustible.
Heat which is a form of energy is transferred across a boundary of a system and given to another system or surrounding at a lower temperature by virtue of temperature difference between them. The heat is only identified across the system boundary (Welty et at, 1976). Heat is of great importance to man on earth for their daily needs. It is with that electricity is generated, food is cooked and houses are warmed.
Heat, by which electric cooker operates on is generated by electricity of which materials used for the construction must have thermal capabilities and suitability to serve as heating element.
1.2 PROBLEM STATEMENT
Specifically, this design seeks for a source of energy that is relatively cheap and available, and therefore has an edge over other stoves and ovens that uses kerosine and gas as sources of energy. It also aims at making domestic cookers and ovens safe enough as against highly flammable liquid or gas fuel.
Many Nigerians today are faced with the problem of petroleum fuel scarcity and as per cooking and drying which is not often easy to get fire wood from forests that are often far away especially from the big cities. Equally too, the few available fuels are of substandard quality with the attendant danger of fire outbreak.
In addition above, fuel consuming cookers and ovens have two outstanding deficiencies, namely; sooty pre-heating and problem of dogged nozzles which lead to offensive discouraging and dirty burning.
Above all, deforestation as a result of fire wood consumption is causing great deal of environmental problems in most regions of Africa. In this modern world and its various invented means of cooking, it largely seems as if non has quite addressed this area by providing an alternative means of cooking and drying.
In a close observation, large scale cooking and drying as an drying of meat and fish sellers, commercial corn roasters, food sellers and “suya” sellers, etc, need efficient heating system. The absence of short drying period and hygienic process of preserving our loide and sea foods is another issue, which has led to fast spoiling and give an electrical stove with an oven apartment to sufficiently address these problems.
1.3 OBJECTIVE OF THE PROJECT
The main aim of this work is to build a 2.5kva electric cooker with oven. The objectives are:
- To understand the working principle of electric cookers with oven, adapting it to our local condition using as much as possible locally made available materials.
- To determine the thermal capacities of various materials and the compatibility to serve as heating element.
iii. To build an electric powered cooker with oven.
1.4 SIGNIFICANCE OF THE PROJECT
This project work is intended to serve as a catalogue and manual for the construction, installation, maintenance and repair of different possible faults in electric cookers with oven, it is also of a great benefit to the department and society as it will serve as medium of knowing the principle of operating the model work. It serves as an alternative means for cooking instead of using the gas cooker, solar cooker and the firewood.
1.5 SCOPE OF THE PROJECT
There is no upper limit to the temperature obtained except the ability of the material to with stand heat. The upper case of the device was made for electric cooker while the cabinet is for the oven.
1.7 LIMITATION OF THE PROJECT
As we all know that no human effort to achieve a set of goals goes without difficulties, certain constraints were encountered in the course of carrying out this project and they are as follows:-
- Difficulty in information collection: I found it too difficult in laying hands of useful information regarding this work and this course me to visit different libraries and internet for solution.
- Financial Constraint: Insufficient fund tends to impede the efficiency of the researcher in sourcing for the relevant materials, literature or information and in the process of data collection (internet).
- Time Constraint: The researcher will simultaneously engage in this study with other academic work. This consequently will cut down on the time devoted for the research work.
- Power supply: It cannot be used where there is no electricity, since it make use of electrical energy.
1.8 DEFINITION OF TERMS
THERMOSTAT: This is an electrical device design to heat up bend and open the circuit when excessive current flows and close the circuit when the heat reduces. It can also be defined as an automatic regulator that control the amount of current that heat up the circuit.
HEATING ELEMENT: This is a conductor material that is designed to heat up when connected to current flow. It converts electric energy into heat energy.
OUTLET PLUG: This is an electrical device design with two or three metal pins that fit into holes in a socket to make an electrical connection.
SWITCH: This is a device used to connect or break the flow of electric current in a circuit.
INDICATOR (LAMP): This is a device which glows like a bulb indicating the working status of a connection.
CABLE: A cable is a material or conductor use in conveying electric current from one point to another.
1.8 PROJECT WORK ORGANISATION
The various stages involved in the development of this project have been properly put into five chapters to enhance comprehensive and concise reading. In this project thesis, the project is organized sequentially as follows:
Chapter one of this work is on the introduction to an electric cooker. In this chapter, the background, significance, objective limitation and problem of an electric cooker were discussed.
Chapter two is on literature review of an electric cooker. In this chapter, all the literature pertaining to this work was reviewed.
Chapter three is on design methodology. In this chapter all the method involved during the design and construction were discussed.
Chapter four is on testing analysis. All testing that result accurate functionality was analyzed.
Chapter five is on conclusion, recommendation and references.
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