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Mechanical Engineering Department

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Presentation on theme: "Mechanical Engineering Department"— Presentation transcript:

1 Mechanical Engineering Department
Graduation Project Home Olive Press Prepared by Ahmad N. Kulaib Rafeeq Daragmeh Rizq Ararawi  Yousef I. Hussein Supervisor: Prof. Dr. M. Abu-Hilal Thursday HOME OLIVE PRESS

2 Home Olive Press Introduction Methodology Extraction Methods
Design of Machine Home Olive Press Thursday HOME OLIVE PRESS

3 Introduction Thursday HOME OLIVE PRESS

4 Olive fruit types in Palestine
Nabali Souri Balahi K18 Thursday HOME OLIVE PRESS

5 Olive Oil Production Thursday HOME OLIVE PRESS

6 Olive Oil Quality The three main agents that cause the lack of olive oil quality are oxygen ,light and temp. Once an olive is harvested, it should be pressed within 24 hours. Oxidation begins directly upon harvesting. Therefore oil obtained after a longer wait is of lower quality, presenting higher acidity. Thursday HOME OLIVE PRESS

7 The paste temperature effect on the acidity and perfumery compounds
veynol perfume compound 7 Thursday HOME OLIVE PRESS

8 Methodology Thursday HOME OLIVE PRESS

9 Previous projects studies Discussing the designs set up the design
Main objectives Previous projects studies Discussing the designs set up the design Design output studies Thursday HOME OLIVE PRESS

10 Extraction methods Thursday HOME OLIVE PRESS

11 Olive Extraction : Home Olive Press
 Olive oil extraction is the process of separating the oil from the other fruit contents. Thursday HOME OLIVE PRESS

12 Waiting Quality Cost waste
Problems facing the olive extraction process Waiting Quality Cost waste Thursday HOME OLIVE PRESS

13 Thursday HOME OLIVE PRESS

14 Decanter Centrifuge Thursday HOME OLIVE PRESS

15 Home Olive Press Centrifugal Experiments
The effect of centrifugal process was tested experimentally in the university by coordinating with chemical engineering department for using a centrifugal device. The experiment data give information about the rotating velocity, rotating time effect and the oil percentage produced. Thursday HOME OLIVE PRESS

16 oil percentage & angular velocity within 3 min
The best choice is to use 3000 rpm angular velocity of the centrifuge for 6 minutes. oil percentage & angular velocity within 6 min Thursday HOME OLIVE PRESS

17 Design of machine Thursday HOME OLIVE PRESS

18 The Designed Parts of Machine
Plastic bowl Grinding machine Press Thursday HOME OLIVE PRESS

19 1-Grinding machine In order to obtain the mass flow rate we implemented the following experiment mass(g) Time(sec) Flow rate(Q) (Kg/s) 750 47 0.016 49 0.0153 45 0.0167 Q = mass/time Q =750 g/47 sec Q = kg/hr Thursday HOME OLIVE PRESS

20 Experimental flow rate (Q) = 57.446 kg/hr
step1 Experimental flow rate (Q) = kg/hr step2 Angular velocity (n) = rpm step3 motor Power = 2 hp Applied motor torque(T) = N.m step4 Bearing selection , C10=27.125KN bore diameter : 40mm,outside diameter : 80mm, width : 18mm Thursday HOME OLIVE PRESS

21 Home Olive Press Squeezing Process
In order to separate oil from the solid components a manual squeezing method were used, by putting the paste inside a cotton piece and put weight on the content. This pressure forced the oil to flow out through the cotton piece, which produces clean oil in a good quality , the applied weight was 100kg for a specified quantity, the press capacity is 5 times more so we suppose we need 5times weight,500kg Thursday HOME OLIVE PRESS

22 2-press machine : Used to separate liquid from solid
The applied load is 500 kg The torque needed to rotate the screw (TR) TR = N.m A. Stresses on body screw 1. Shear stress = MPa 2. Axial nominal stress = MPa Stress on thread of screw Bearing stress = MPa Bending stress = MPa Transverse shear stress = MPa Minimum factor of safety = 9 Thursday HOME OLIVE PRESS

23 shear stress = 48.82 MPa F.S = 4.9 Couple Force(F) = 181.5 N
Shear on Screw That Support the Beam shear stress = MPa F.S = 4.9 Couple Force(F) = N Thursday HOME OLIVE PRESS

24 Welding calculation Welding on Beam
The primary shear stress = MPa Shear stress due to bending moment =109.8 MPa The overall shear stress = MPa Factor of safety = 1.81 B. Welding on the Nut of the Screw The primary shear stress = MPa Shear stress due to bending moment =7.365 MPa The overall shear stress = MPa Factor of safety = 12.1 Thursday HOME OLIVE PRESS

25 Weld on the Arm The primary shear stress = 4.36 MPa
Factor of safety = 45.6 The minimum factor of safety was 1.81 for the press Thursday HOME OLIVE PRESS

26 Pure oil Mixed oil and water Solid particles
Separating Oil from Water :this process depends on natural separation due to density difference between the components of the liquid and called sedimentation, the obtained liquid from the pressing machine stored in a plastic bucket for period of time to allow the oil to separate from the other components (vegetarian water and small particles) Pure oil Mixed oil and water Solid particles Thursday HOME OLIVE PRESS

27 THANK YOU Thursday HOME OLIVE PRESS

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