Development, Fabrication And Performance Evaluation Of A Single Wheel Driven Boom Sprayer

Project and Seminar Material for Agricultural Engineering AE

Development, Fabrication And Performance Evaluation Of A Single Wheel Driven Boom Sprayer


Abstract


The single wheel driven boom sprayer was developed, fabricated and evaluated for its performance at the department of Agricultural and Bio-environmental engineering workshop, Kwara state polytechnic, Ilorin. The spraying performance was carried out at spraying height of 0.5m, 0.6m and 0.7m respectively. The theoretical field capacity CT, the effective field capacity CE and Field efficiency (ŋ) at spraying height of 0.5m are 0.285ha/hr , 0.165ha/hr and 58%, while at spraying height 0.6m, are 0.273ha/hr, 0.158ha/hr and 57.81% and at spraying height 0.7m are 0.269ha/hr, 0.155ha/hr and 58.055% respectively.


Table of Contents


  • Title page
  • Certification
  • Dedication
  • Acknowledgements
  • Abstract
  • Table of content
  • List of Tables
  • List of Plates

Chapter One

1.0 Introduction

  • 1.1 Statement of the problem
  • 1.2 Objective of the project
  • 1.3 Justification of the project

Chapter Two

2.0 Literature Review

  • 2.1 Spraying operation
  • 2.1.1 Spray materials
  • 2.1.2 Classification of sprayers
  • 2.2 Types of sprayer
  • 2.3 Sprayer differences
  • 2.3.1 Types of hydraulic sprayers
  • 2.3.2 Types of low volume sprayers
  • 2.4 Calibration and operation
  • 2.5 Spraying technique
  • 2.6 Factors affecting spraying
  • 2.7 Spraying machinery
  • 2.8 Types of pumps for spraying

Chapter Three

3.0 Materials and Methods

  • 3.1 Factors to be considered in the selection of materials
  • 3.2 Design Considerations
  • 3.3 Design and development of various Components
  • 3.3.1 Knapsack sprayer
  • 3.3.2 The frame
  • 3.3.3 Driving wheel
  • 3.3.4 Crank mechanism
  • 3.3.5 The boom
  • 3.4 Specification of the single wheel driven boom sprayer
  • 3.5 Description of the single wheel driven boom sprayer

Chapter Four

4.0 Performance Evaluation

  • 4.1 Experimental Procedure
  • 4.2 Results
  • 4.2 Results and Discussions

Chapter Five

5.0 Conclusion and Recommendation

  • 5.1 Conclusion
  • 5.2 Recommendation
  • References

List of Tables


  • 4.2.1 Spraying parameters at spraying height 0.5m
  • 4.2.2 Spraying parameters at spraying height 0.6m
  • 4.2.3 Spraying parameters at spraying height 0.7m
  • 4.2.4 Average spraying data at spray height 0.5, 0.6 and 0.7

List of Plates


  • 2.1 Hydraulic energy sprayers
  • 2.2 Gasoline energy sprayers
  • 2.3 Centrifugal energy sprayers
  • 2.4 Roller pump
  • 2.5 Diaphragm pump
  • 2.6 Piston pump
  • 2.7 Turbine pump
  • 3.1 Knapsack sprayer
  • 3.2 The Frame
  • 3.3 The wheel
  • 3.4 Maximum and minimum displacement of piston pump

Chapter One


1.0 Introduction

Crop yield is reduced by mainly due to attack of pest, diseases and weeds. Chemical control is the popular method adopted for controlling most insects, weed and diseases. The chemical are applied either by spraying or dusting. Spraying is one of the most effective and efficient techniques for applying small volume of spray liquid to protect crops. In conventional methods, manually operated low and high volume hydraulic sprayer and power operated hydraulic sprayer with long boom, long lances or spray gun are used to carry fluid at different targets. In this method, the time and labor required is more. It is difficult to spray the pesticide uniformly and effectively throughout the crop by conventional method of spraying. Though this method gives good pest control, it consumes large volume of liquid per plant, great amount of labour and time are required. Also drip losses are more owing to concern towards protecting environment from pollution by excessive use of pesticide and to economies the spraying method, suitable alternative should be identified.

In Nigeria, diverse farm mechanization scenario as in country due to varied size of the farm holdings and socio economic disparities. Most farmers in Nigeria are small and marginal land holder. The spraying operation is done by knapsack sprayer which consumes more time and energy.

Tractor operated sprayers are difficult for adaptation by the farmer due to existing cropping patterns available for field size, field condition during the rainy season. To overcome these problem requirements for better adapting in the view of a single wheel driven boom sprayer is a better option due to its medium cost and small size implying maneuverability in the small land holding.

Single wheel driven boom sprayers can fulfill the mechanization gap to do spraying operation at the faster rate. This shows there is an urgent need to introduce mechanical sprayer in Nigeria farm. The single wheel driven boom sprayer should be small for easy maneuverability and less expensive for farmers as best source of spraying operation.


1.1 Statement of the Problems

The back mounted knapsack sprayer is associated with the following problems i. It consumes more time and labor during spraying operation ii. The output is low iii. The uniformity and efficiency is inadequate


1.2 Objectives of the Project

The main objective of the research is to design, develop and evaluate a boom for a Knapsack sprayer. The specific objectives for the research are:

  1. To design and fabricate a single wheel driven boom sprayer.
  2. To evaluate the performance of a single wheel driven boom sprayer.

1.3 Justifications of the Project

The justications of the project are basically:

  1. To control the growth of weeds not comporting with crop planted
  2. To reduce human labor for controlling weed in the field
  3. To improve the quality and quantity of the crop planted
  4. To increase the income of the farmers. CHAPTER FIVE

Chapter Five


5.0 Conclusion and Recommendation

5.1 Conclusion

The single wheel driven boom sprayer was developed, fabricated and evaluated for its performance at the department of Agricultural and Bio-environmental engineering workshop, Kwara state polytechnic, Ilorin.. The spraying performance was carried out at spraying height of 0.5m, 0.6m and 0.7m respectively. The theoretical field capacity CT, the effective field capacity CE and Field efficiency (ŋ) at spraying height of 0.5m are 0.285ha/hr , 0.165ha/hr and 58%, while at spraying height 0.6m, are 0.273ha/hr, 0.158ha/hr and 57.81% and at spraying height 0.7m are 0.269ha/hr, 0.155ha/hr and 58.055% respectively.


5.2 Recommendations

The following are the recommendations for the project for further study

  1. The on and off valve should be positioned at the handle for convenience during spraying.
  2. The speed of the sprayer should be increased by changing the speed of sprocket and chain from 1.2:1 to 3:1.

Development, Fabrication And Performance Evaluation Of A Single Wheel Driven Boom Sprayer


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Development, Fabrication And Performance Evaluation Of A Single Wheel Driven Boom Sprayer


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