AI SearchDesign and development of water hyacinth chopper and blender
Call Number: AIT Thesis no.AE-84-01 Material type:
SeriesSeries: Asian Institute of Technology. Thesis ; no. AE-84-01Publication details: Bangkok : Asian Institute of Technology, 1984Description: 70 pSubject(s): Online resources: Dissertation note: Thesis (M.Eng.) - Asian Institute of Technology, 1984 Summary: A chopper and a blender were designed, fabricated, tested and evaluated for comminuting water hyacinth as a fish pond input. The chopper was designed with four horizontal, rotating blades of 76 cm diameter, inside a cylindrical housing with a screen under the blades. The Water hyacinth was fed by dropping it into the hopper, and cut directly. The blender was designed separately with four horizontal, rotating knives inside a cylindrical tube of 35 cm inner diameter. The chopped hyacinth was blended with water to make slurry. Chopping tests were conducted with individual plants with different chopper speed and mass of the plant. Blending tests were conducted with different speed, volume of blending water and blending time. Power requirements and chopping time were measured. A floating test was conducted to measure the degree of comminution of the product. Regression analyses resulted in prediction models of the power requirements components: for the driving system, the chopper shaft friction, and for blending either merely water of with water hyacinth. The machines offered a wide range of the degree of comminution by selecting different operating parameters. The screen of the chopper is found to be a disadvantage.
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22-AIT Thesis (Replacement)
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Asian Institute of Technology Library AIT Publications | AIT Thesis no.AE-84-01 (Browse shelf(Opens below)) | 3 | Available | 30050120582639 | |||||||||||||
40-Archives
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Asian Institute of Technology Library Archives | AIT Thesis no.AE-84-01 (Browse shelf(Opens below)) | Available | 30050120303788 |
A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Environment, Resources & Development
Thesis (M.Eng.) - Asian Institute of Technology, 1984
A chopper and a blender were designed, fabricated, tested and evaluated for comminuting water hyacinth as a fish pond input. The chopper was designed with four horizontal, rotating blades of 76 cm diameter, inside a cylindrical housing with a screen under the blades. The Water hyacinth was fed by dropping it into the hopper, and cut directly. The blender was designed separately with four horizontal, rotating knives inside a cylindrical tube of 35 cm inner diameter. The chopped hyacinth was blended with water to make slurry. Chopping tests were conducted with individual plants with different chopper speed and mass of the plant. Blending tests were conducted with different speed, volume of blending water and blending time. Power requirements and chopping time were measured. A floating test was conducted to measure the degree of comminution of the product. Regression analyses resulted in prediction models of the power requirements components: for the driving system, the chopper shaft friction, and for blending either merely water of with water hyacinth. The machines offered a wide range of the degree of comminution by selecting different operating parameters. The screen of the chopper is found to be a disadvantage.
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