Refinement and evaluation wheat straw combine for better straw quality
2015
Ashish, Dhimate (Punjab Agricultural University, Ludhiana (India). Department of Farm Machinery and Power Engineering) | Jaskarn, Singh Mahal (Punjab Agricultural University, Ludhiana (India). Directors of Research) | Singh, Manjeet (Punjab Agricultural University, Ludhiana (India). Department of Farm Machinery and Power Engineering) | Anoop, Kumar Dixit (Punjab Agricultural University, Ludhiana (India). Department of Farm Machinery and Power Engineering) | Manes, Singh Gursahib (Punjab Agricultural University, Ludhiana (India). Department of Farm Machinery and Power Engineering)
Straw combine is very popular machine in Punjab for the retrieval of wheat straw. It was observed that quality of wheat straw obtained from straw combine is inferior due to more dirt content as compare to harambha thresher. Therefore, the straw combine was developed with straw bruising and sieving system for the removal of dirt. Dirt was quantified by total ash content and acid insoluble ash. Field evaluation of the modified straw combine and laboratory analysis of collected sieved straw sample was carried out. Two level of concave bar spacing (10 and 14 mm), three feed rates (14, 16.5 and 19 q·h-1) and three cylinder speeds (28.45, 32.25 and 36.04 m·s-1) were selected as operational parameter. It was observed that mechanical sieving of straw was well enough for the separation of dirt. Percent reduction of total ash content and acid insoluble ash due to sieving increases with decrease in feed rate and increase in concave bar spacing. Average straw length and split straw percentage was found to well within acceptable level at 14 mm concave bar spacing. Net specific fuel consumption was found to be decreases with increase in feed rate and concave bar spacing and increases with increase in cylinder speed.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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