scholarly journals Design, Fabrication and Performance Evaluation of Indigenous Fish Feed Pelletizing Machine for Low Income Farmers in Nigeria

2019 ◽  
pp. 1-31
Author(s):  
O. S. Orimaye ◽  
P. O. Ajewole ◽  
I. O. Oni
Keyword(s):  
Performance Evaluation ◽  
Moisture Content ◽  
Low Income ◽  
Electric Motor ◽  
Small Scale ◽  
Fish Feed ◽  
Test Results ◽  
Total Cost ◽  
Pass Through ◽  
And Performance

The design, fabrication and performance evaluation of a fish feed pelletizing machine for low income farmers was carried out with the view to encourage local technology, as most of the fish feed pelletizing machines available are imported. The fish feed pelletizer is powered by an electric motor and it works by the rotation of a screw auger which propels the feed mix through a die. The screw auger is enclosed in the auger casing and is propelled by an electric motor with the aid of belt and pulleys. This auger is fed through a hopper, which is able to hold a large quantity of the feed mix at a time. The machine was tested using different die diameters of 2 mm, 4 mm and 6 mm. The test was conducted at different moisture content of 10%, 15%, 20%, 25%, 30% and 35% wet basis. The machine test results showed that the pelletizing efficiency increases as moisture content and die diameter increase. The machine throughput also increases with both moisture content and die diameter. Highest efficiency of 98% was obtained when the moisture content was maintained at 25% wet basis and the feed materials were made to pass through 6 mm die diameter. The total cost of the design and construction of this pelletizing machine was one    hundred and five thousand naira (N105, 000.00) which is still reasonably affordable by small scale famers.

scholarly journals Development and Performance Evaluation of a Small-scale Maize Harvester for Developing Countries

2020 ◽  
pp. 144-156
Author(s):  
Julus H. Vodounnou ◽  
Emmanuel A. Ajav ◽  
Gontrand C. Bagan ◽  
Victorin K. Chegnimonhan
Keyword(s):  
Developing Countries ◽  
Performance Evaluation ◽  
Engine Speed ◽  
Small Scale ◽  
Drive Power ◽  
Smallholder Farms ◽  
Testing Experiment ◽  
And Performance ◽  
A Chain ◽  
Chain Conveyor

A small-scale maize harvester was designed and fabricated for developing countries and is composed of a harvester header, a chain conveyor, a drive power unit and a five-wheel tricycle. Fabrication of components was made and assembling of the devices on the tricycle was done. The performance evaluation of the small-scale maize harvester was done at 15% kernels moisture content (wet basis). Three rotational speeds of the engine, 1347, 1521 and 1937 rpm were used, while the forward velocity of the harvester was kept at an average of 0.617 km.hr-1. The testing experiment revealed significant effect of physical properties of maize (p<0,05). The highest machine capacity was obtained at 0.05 ha.hr-1, while the highest driving efficiency was 97.30% and the highest picking and conveying efficiencies were 84.11% and 98.21%, respectively. However, it was observed that the machine noise level decreased with increase in engine speed. Also, the engine speed affected both picking and conveying efficiencies. The designed machine is found suitable for most smallholder farms.

Fabrication and Performance Evaluation of Cowpea Thresher for Small Scale Cowpea Farm Holders in Nigeria

2018 ◽  
Vol 31 (6) ◽  
pp. 1-11
Author(s):  
O. W. Muhammed-Bashir ◽  
K. O. Oriola ◽  
B. A. Ogundeji ◽  
M. A. Adesokan
Keyword(s):  
Performance Evaluation ◽  
Small Scale ◽  
And Performance

Development and Performance Evaluation of Irish Potato Peeling Machine

2020 ◽  
pp. 11-23
Author(s):  
Ademola Olagoke Afolabi ◽  
Muhammad Lawal Attanda
Keyword(s):  
Performance Evaluation ◽  
Feed Rate ◽  
Irish Potato ◽  
Small Scale ◽  
Maximum Output ◽  
Household Level ◽  
Output Capacity ◽  
Randomized Design ◽  
And Performance ◽  
Potato Peeling

An Irish potato peeling machine was developed for use at small-scale/household level. Machine performance evaluation was carried out using three locally grown Irish potato varieties namely; Nicola, Bartita and Bawondoya respectively. A 22x3 factorial experiment in completely randomized design (CRD) with three replications was used for evaluation where tuber feed rate, shaft speed and variety were the independent variables and peeling efficiency, tuber flesh loss and machine output capacity were the performance indicators. Analysis of variance (ANOVA) results showed the effects of variety on peeling efficiency and feed rate on output capacity as highly significant (P=.01). Also, the interaction of speed and variety on peeling efficiency and the effect of variety on output capacity was significant (P=.05). The interaction of variety and speed at 480 rpm achieved a maximum mean peeling efficiency of 55.6% for Bawondoya. Similarly, at slightly higher speed of 510 rpm, the maximum mean peeling efficiency of 64.6% was achieved for Bartita. Flesh loss value of 0.84% was the least obtained and this was for Bartita while the highest flesh loss of 1.43% was observed for Nicola. At feed rates of 50 g/sec and 60 g/sec; the minimum and maximum output capacities of 31.3 kg/h and 59.2 kg/h were obtained respectively.

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