DEVELOPMENT AND PERFORMANCE EVALUATION OF RICE DESTONING MACHINE
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TITLE PAGE
DEVELOPMENT AND PERFORMANCE EVALUATION OF RICE DESTONING MACHINE
BY
---
EE/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---
DECEMBER,2018
APPROVAL PAGE
This is to certify that the research work, "development and performance evaluation of rice destoning machine" by ---, Reg. No. EE/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
By
--- . ---
Supervisor Head of Department.
Signature………………. Signature……………….
……………………………….
---
External Invigilator
DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.
ACKNOWLEDGEMENT
The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.
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A motorized rice de-stoning machine was designed, fabricated and evaluated for performance. The traditional method of rice de-stoning machine characterized with a lot of deficiency in terms local rice containing smaller stones during de-stoning operation. A lot of energy is expended in solving the problem of operation. The rice de-stoning consists of the following part: Hopper, Vibrating Sieve, Machine Frame, Pulley, Eccentric Shaft, and Blower. The factors investigated were feed rate (500g/min) and variety off rice (Bokola, Kodoqiche, AlhajiA’aba). The result of the evaluation reveals that in Stone Separation Efficiency the third variety has the highest efficiency of (77.3%) and the first variety has the lowest efficiency of 72.6%, while in Rice separation efficiency the third variety also has the highest efficiency of 81.0% and the second variety has the lowest efficiency of 79.0%, the Impurity levels after separation are 7.8%, 7.5% and 6.5% respectively, the Tray losses remains the same. The rice de-stoning machine was powered by 1hp electric motor and the cost of production was estimated to be 108,700.
TABLE OF CONTENTS
Title page i
Certification ii
Dedication iii
Acknowledgement vi
Abstract iv
Table of content iv
CHAPTER ONE
- INTRODUCTION 1
1.1 Background of the study 1
1.2 Aim and Objective of the project 3
1.3 Justification of the project 3
1.4 Scope of the project 3
CHAPTER TWO
- LITTERATEUR REVIEW 4
- De-stoning of rice 4
- Rice production in Nigeria 4
- Rice processing 7
- Traditional method of processing rice 7
- Modern method of processing rice 7
- Method of de-stoning 8
- Local method of de-stoning rice 9
- Modern method of de-stoning rice 9
2.9 Review of existing work on rice destining rice 11
CHAPTER THREE:
MATERIALS AND METHOD 13
3.1 Description of the machine 14
3.2 Design Consideration of the machine 14
3.3 Design Calculation and analysis 14
3.4 Material Selection 19
3.5 Fabrication Procedure and Assembly 20
3.6 Principle of Operation 21
3.7 Bill of Engineering Measurement and Evaluation (BEME) 23
3.8 Performance Evaluation 24
CHAPTER FOUR
RESULT AND DISCUSSION
4.1 Result and Discussion 26
CHAPTER FIVE
CONCLUSION AND RECOMMENDATIONS
5.1 Conclusions 28
5.2 Recommendation 28
Reference 29
Appendix 31
CHAPTER ONE
-
INTRODUCTION
- Background of the study
Rice (Oryza sativa) is a cereal belonging to the Gramineae, a large monocotyledonous family of some 600 genera and around 10,000 species (Wibberley, 1989). It is valued as the most important staple food for over half of the world population (International Year of Rice, 2004) and ranks third after wheat and maize in production on world basis. More than half of the world’s population depends on rice as the major source of calories (FAO, 2003).The amount consumed by all these people ranged from100kg to 240kg per annum in the year 2000 alone (FAO,2003). Twospecies have emerged as our most popular cultivated rice,Oryza sativaand Oryzaglaberrima; of these two species the more widely produced is Oryza sativa.
Rice is cultivated in almost all part of the globe including Nigeria. By 2015, it has been estimated that over three-fifth of the world population will depend on rice as their staple food (Echiegu, 2009). Rice is one of the staple foods in Nigeria and it is cherished by almost all the ethnic groups and it is prepare into various delicacies. For instance, in the northern part of Nigeria, rice can be milled and used for flour and also molded and fried into cakes. Large acres of plantation can be found in these areas, Lafia (northern Nigeria), Beneu state (Middle Belt), Osun state (Western Nigeria), Abakaliki (Eastern Nigeria) and several other places.
In Nigeria, rice consumption has risen tremendously at about 10% per annum due to changing consumer preference (Akande, 2003). However, (Ebuehi and Oyewole, 2007) discovered that most Nigerians prefer to consume imported rice brands as compared to local rice varieties. The reason is that most Nigerian rice processors lack adequate technology of rice processing to meet international standard. It is valued as the most important staple food for over half of the worldpopulation (International Year of Rice,2004) and ranks third after wheat and maize inproduction on world basis. More than half of the world’spopulation depends on rice as the major source of calories(FAO, 2003). The amount consumed by all these people ranged from100kg to 240kg per annum in the year 2000 alone (FAO,2003). Twospecies have emerged as our most popular cultivated rice,Oryza sativaand Oryzaglaberrima; of these two species themore widely produced is Oryzasativa.
In Nigeria, rice consumption has risen tremendously atabout 10% per annum due to changing consumer preferences (Akande, 2003). However, Ebuehi and Oyewole (2007) discovered that most Nigerians prefer toconsume imported rice brands as compared to local ricevarieties. The reasonis that most Nigerian rice processors lackadequate technology of rice processing to meet internationalstandard. It is one of the most important staple crops in Nigeria, and local production of the commodity has increased several folds in the last 4 decades. Despite the increasing trend in local production, Nigeria is still a net importer of rice. In the local markets there is a greater consumer preference for imported rice compared to the locally produced commodity because of some quality issues associated with the local rice. Presence of stones in locally processed.
Nigerian rice has been identified as one of the major quality problems. The small Engleberg rice processing mill used by majority of rice processors in Nigeria, which includes a dehusking element and a polisher do not come with de-stoners. De-stoners are found only in a few high-tonnage integrated mills or are sold as separate equipment.
It was in the above context that the DFID-sponsored Promoting Pro-Poor Opportunities in Commodity and Service Markets (PrOpCom, 2012) engaged the services of M & A’s Greenery Ltd to conduct a survey of improved drying and de-stoning techniques and technologies in Nigeria.
- The aim and objectives of the project
The aim of the projectis to de-stone rice in other to have clean rice for human consumption.
The specific objectives are to:
- develop a rice de-stoning machine
- evaluate the rice de-stoning machine in terms of impurity level after separation, tray loss, rice separation efficiency and stone separation efficiency.
1.3 Justification of the project
This project leads to the followings, to improve the quality of rice, to increase production, to minimize time and reduce human labour, to reduce losses in de-stoning of rice compare to the local method, to reduce import of rice to the country and to produce job opportunity for the youths in the country.
1.4 Scope of the project
The project work is limited to rice which are abundantly cultivated in Nigeria for human consumption. The project work of the machine is limited to some selected factors such as rice separation efficiency and stone separation efficiency.
1.5 Project Organisation
This work is divided into five chapters including this introduction. Chapter two is on the literature review and method of data collection are in chapter three. Results of findings are discussed in chapter four. The way forward is and conclusion in chapter five.CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "development and performance evaluation of rice destoning machine" is also available. Order full work to download. Chapter two of "development and performance evaluation of rice destoning machine" consists of the literature review. In this chapter all the related work on "development and performance evaluation of rice destoning machine" was reviewed.
CHAPTER THREE: The complete chapter three of "development and performance evaluation of rice destoning machine" is available. Order full work to download. Chapter three of "development and performance evaluation of rice destoning machine" consists of the methodology. In this chapter all the method used in carrying out this work was discussed.
CHAPTER FOUR: The complete chapter four of "development and performance evaluation of rice destoning machine" is available. Order full work to download. Chapter four of "development and performance evaluation of rice destoning machine" consists of all the test conducted during the work and the result gotten after the whole work
CHAPTER FIVE: The complete chapter five of design and construction of a "development and performance evaluation of rice destoning machine" is available. Order full work to download. Chapter five of "development and performance evaluation of rice destoning machine" consist of conclusion, recommendation and references.
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