Project Abstract

Abstract
The development and construction of a manual orange juice extractor involved a systematic process that aimed to design a cost-effective, user-friendly, and efficient device for extracting juice from oranges. The project utilized engineering principles and design concepts to create a product that catered to the needs of small-scale juice producers, households, and individuals looking for a convenient way to extract fresh orange juice. The manual orange juice extractor was designed to be portable, easy to operate, and capable of extracting juice from oranges with minimal effort. The project began with a thorough analysis of existing orange juice extractors in the market to identify their strengths and weaknesses. This analysis helped in determining the key features that needed to be incorporated into the manual orange juice extractor to make it competitive and appealing to potential users. The design phase involved creating detailed sketches, 3D models, and prototypes to visualize the final product and make necessary adjustments to improve its functionality and user experience. The manual orange juice extractor was constructed using durable and food-grade materials to ensure its safety and longevity. The device consisted of a lever mechanism, a juice collection chamber, and a waste compartment to separate the juice from the pulp effectively. The lever mechanism was designed to provide mechanical advantage, allowing users to exert minimal force while extracting juice from oranges. The juice collection chamber was equipped with a filter to remove any seeds or pulp, ensuring that only pure juice was collected. During the testing phase, the manual orange juice extractor was evaluated for its efficiency, durability, and ease of use. Test results indicated that the device was capable of extracting a significant amount of juice from oranges in a short period, making it suitable for both commercial and personal use. Feedback from test users was positive, with many praising the extractor for its simplicity, effectiveness, and portability. Overall, the development and construction of the manual orange juice extractor proved to be a successful project that resulted in the creation of a functional and practical device for extracting fresh orange juice. The project showcased the importance of applying engineering principles and design concepts to develop innovative solutions that cater to the needs of consumers. The manual orange juice extractor offers a cost-effective and convenient way for individuals to enjoy fresh, homemade orange juice without the need for electricity or complex machinery.

Project Overview

CHAPTER ONE

1.1     Introduction

Oranges are one of the most popular fruits for eating out hand and most important source of fresh juice having a distinctive flavour and high amount of vitamin A B and C (Aye et al., 2012).

The orange fruit is a specialized type of berry known to the botanists as hesperidia. It has a soft, pithy central axis surrounded by 10-15 segments containing pulp and juice. Enclosing the segments is a leathery segment which contains juice that is sugary; several organic acids (chiefly citric acid) many other components; which give it a distinctive flavour; and high amounts of vitamins A, B and C. (Aye et al., 2012).

Oranges grow on evergreen trees of the family Rutaceae. The trees grow to a height of about 30 feet (9m) and are symmetrical and upright. The fruit varies in the number of seeds, from none to many. Orange is one of the major source of vitamins among other fruits in the world and it is globally recognized (Wiseman, 2013). In Nigeria, orange is mostly found in the middle belt particularly in Benue state that is commonly known as food basket of the nation as its slogan.

A very large number of orange is harvested yearly in Benue state and exported to other part of the country where it is either consumed naturally or converted to juice in addition with other fruits (Wiseman, 2013).

Orange trees are widely grown in tropical and subtropical climates for their sweet fruit. The fruit can be eaten fresh, or processed for its juice or fragrant peel. As of 2012, sweet oranges accounted for approximately 70% of citrus production (Bailey and Robert, 1998).

The need to meet household demand for freshly made fruit juice is of paramount interest to all those who desire to take juice at its natural state without adding any preservative to it.

Orange is one of the most important fruits and source of vitamin desired to be consumed in its natural and fresh nature that allow the consumers to benefit from it. Medically, orange serves as a catalyst to facilitate digestion and also as a means of reducing constipation in adolescents (Christopher, 2015).

1.2     Statement of problem

Manual orange juice extraction using hands have low capacities and low efficiencies, sometimes un-hygienic, and can hardly meet demand for large quantities of juice. Extraction of orange juice using electrically powered juicers has the limitations of irregular supply of power and sometimes most electrically power juicers are expensive to buy and may require regular maintenance.

In order to optimize the volume of juice extracted using a manually with manual extractor, there is need to develop an orange juice extractor using stainless steel to obtain juice from oranges with little effort and meet home demand for hygienic and fresh orange juice.

1.3     Aim and objectives

1.3.1   AIM: The aim of this project is to develop a manually operated juice extractor that will extract juice from the orange fruit using stainless steel and encourage hygienic fresh orange juice consumption.

1.3.2     Objectives:

                          a.         To develop a manually operated juice extractor

                        b.         To construct the juice extractor

                          c.         To evaluate the constructed juice extractor

1.4         Justification

Development and construction of manually operated orange juice extractor will in many ways discourage the consumption of juice containing artificial preservatives which might be harmful due to long term consumption. The constructed juice extractor will require no special skill to operate it, should be affordable, portable and attractive using stainless materials.

1.5     Scope and limitation

This project work is limited to the development and construction of a manual orange juice extractor using stainless steel.

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Project Cost – N4000 ($15)
Bank: UBA
Account No: 1021412898
Account Name: Starnet Innovations Limited


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