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Basic requirements for the design and construction of a local compost screening unit [electronic resource].

By:

Moustafa, Mariam M

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Language: English Summary language: Arabic Description: P. 2069-2085Other title:

المتطلبات الأساسية لتصميم وتصنيع وحدة محلية لتنظيف الكمبوست [Added title page title]

Uniform titles:

Misr journal of agricultural engineering, 2010 v.27 (4) Part 2 [electronic resource].

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In: Misr Journal of Agricultural Engineering 2010.v.27(4)Part 2Summary: Theoretical analysis was carried out to design and construct a local compost screening unit to achieve maximum cleaning efficiency. Theoretical analysis was conducted to estimate optimum sieve speed, optimum screen opening size, optimum sieve inclination angle. Maximum required power was estimated in order to provide the machine with the suitable source of power. The machine shaft was designed so as to save it from over loads and the high stresses. Theoretical analysis reveals that the local compost screening unit is preferred to be constructed under the following conditions: The sieve revolutions number should be lower than 43 rpm. The screen opening size should be of about 13 mm. The slope angle of the cylindrical sieve on the horizontal plane (Sieve inclination angle) should be lower than 27 degrees. The motor power required for screening compost must be not less than 3.68 kW (5.0 hp). The machine shaft must be designed at a 70 mm diameter.

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Theoretical analysis was carried out to design and construct a local compost screening unit to achieve maximum cleaning efficiency. Theoretical analysis was conducted to estimate optimum sieve speed, optimum screen opening size, optimum sieve inclination angle. Maximum required power was estimated in order to provide the machine with the suitable source of power. The machine shaft was designed so as to save it from over loads and the high stresses. Theoretical analysis reveals that the local compost screening unit is preferred to be constructed under the following conditions: The sieve revolutions number should be lower than 43 rpm. The screen opening size should be of about 13 mm. The slope angle of the cylindrical sieve on the horizontal plane (Sieve inclination angle) should be lower than 27 degrees. The motor power required for screening compost must be not less than 3.68 kW (5.0 hp). The machine shaft must be designed at a 70 mm diameter.

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