TUNGGAL, TRI and PANGGABEAN, TAMARIA (2012) RANCANGAN MESIN PENGHANCUR SISA TANAMAN MENGGUNAKAN GERGAJI PUTAR (Rotary Saw). PERTETA CABANG BALI, Udayana University, Denpasar, Bali. ISBN 978-602-7776-09-8
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Abstract
Organic matter from plants have not been used optimally, especially paddy straw. Paddy straw was not strongly suggested to burn because it just left ash that not so useful to increase land fertility and plant nutrient. Organic matter decomposition can be accelerated by decreasing its size. This material can be more useful when it converts into organic fertilizer where some other materials were added and mixed thoroughly, and the proccess could be accelerated by adding activated microorganism. This process could made faster if the size of the organic matter is small. Several types of crusher have been designed either by big companies from the industrial countries or small companies like Indonesia. Crushers made by big countries are usually used by big companies. The main problem of the major types of crushers fabricated by big company was that the size of the crushing material was not small enough so it needed longer time to decomposite by microorganism. The classic problem encountered at the machine itself was that the blades was not strong enough that they could break if the impact was too high. This research was aimed to design a crusher machine that could produce a smaller size of plant residus than the other machines could do. The knives consisted of 10 rotary saws with 10 inches in diameter installed at certain distance among them. At the left and right side of every rotary saw were installed a plate with 1 cm in thick that functioned as a flywheel and made the rotary saws strong. A 7.5 HP diesel engine used as a power source and double belt-pulley as transmition power. A V-shaped hopper was installed on the left side of the concave and outlet was at the right bottom of the concave. The raw material was thrown into the crushing chamber manually. The machine was tested using 100 kg of paddy straw (10 bags). The results showed that the effective capacity was 206,2 kg/hr. The main result was released from the screen of 100 mesh. The weight of the machine was 191 kg (included engine) and it consumed 0,9 liter per hour of diesel fuel and the average rotating speed 812 RPM. Generally, the machine was able to operate without worrying of knives would break. Keywords: Plants residus, rotary saw, crushing machine, material capacity
| Item Type: | Book |
|---|---|
| Subjects: | S Agriculture > S Agriculture (General) > S1-(972) Agriculture (General) |
| Divisions: | 05-Faculty of Agriculture > 54201-Agribusiness (S1) |
| Depositing User: | IR Tri Tunggal |
| Date Deposited: | 01 Jan 2020 08:52 |
| Last Modified: | 01 Jan 2020 08:52 |
| URI: | http://repository.unsri.ac.id/id/eprint/22698 |
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