?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PERANCANGAN+MESIN+PENGERING+SAMPAH+TIPE+ROTARY%0D%0AKAPASITAS+100+KG%2FJAM+DENGAN+MEMANFAATKAN+GAS+SISA%0D%0A%0D%0AREAKTOR+TOREFAKSI&rft.creator=DAVID+%2C+ROBBY+MUGHNI&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Masalah+pengelolaan+sampah+di+Universitas+Lampung+(UNILA)+menjadi%0D%0Aperhatian%2C+dengan+total+timbulan+sampah+mencapai+770+kg+per+hari.+Untuk%0D%0Amengatasi+masalah+sampah+di+UNILA%2C+teknologi+torefaksi+dapat+memberikan%0D%0Asolusi+dengan+mengonversi+sampah+menjadi+energi+berupa+bahan+bakar+padat.%0D%0APada+umumnya+sampah+organik+memiliki+kandungan+air+yang+tinggi%2C+untuk+itu%0D%0Adiperlukan+proses+pengeringan+sampah+organik+sebelum+proses+torefaksi.%0D%0APenelitian+ini+merancang+mesin+pengering+tipe+rotary+untuk+mengurangi%0D%0Akandungan+air+pada+sampah+daun.+Tujuan+penelitian+ini+meliputi+perhitungan%0D%0Aspesifikasi+teknis+dryer%2C+estimasi+kebutuhan+energi%2C+analisis+perpindahan+panas%2C%0D%0Adan+perhitungan+heat+loss%2C+serta+pembuatan+gambar+teknik+dari+dryer+tersebut.%0D%0APenelitian+dimulai+dengan+studi+literatur+terkait+teknologi+pengeringan%2C%0D%0Akarakteristik+sampah+di+UNILA%2C+dan+prinsip+perpindahan+panas.+Berdasarkan%0D%0Aanalisis+tersebut%2C+dipilih+konsep+pengering+tipe+rotary+yang+memanfaatkan+gas%0D%0Apanas+sisa+dari+proses+torefaksi.+Perhitungan+spesifikasi+dan+kebutuhan+energi%0D%0Adryer+dilakukan+dengan+menggunakan+Microsoft+Excel%2C+diikuti+oleh+pembuatan%0D%0Adesain+3D+dengan+software+SolidWorks.%0D%0AHasil+penelitian+menunjukkan+bahwa+rotary+dryer+dirancang+untuk%0D%0Amengeringkan+sampah+daun+dengan+sistem+pemanasan+langsung%2C+menggunakan%0D%0Agas+panas+dari+reaktor+torefaksi+yang+dihisap+oleh+ID+Fan.+Dengan+kapasitas+100%0D%0Akg%2Fjam%2C+dryer+memiliki+kemiringan+yang+dapat+disesuaikan.+Rotary+dryer+dilapisi%0D%0Aglasswool+setebal+0%2C05+m+untuk+meminimalisir+heat+loss.+Energi+yang+dibutuhkan%0D%0Aproses+pengeringan+mencapai+25%2C32+kW%2C+dengan+heat+loss+sebesar+0%2C3+kW.%0D%0AKesimpulan+penelitian+mengindikasikan+spesifikasi+rotary+dryer+dengan+diameter%0D%0A0%2C9874+m%2C+panjang+3%2C5+m%2C+kecepatan+putaran+1+rpm%2C+dan+waktu+pengeringan+30%0D%0Amenit.+Desain+hasil+penelitian+ini+diharapkan+dapat+direalisasikan+ke+dalam+alat%0D%0Anyata+dan+pengembangan+simulasi+untuk+memperoleh+hasil+yang+lebih+akurat.%0D%0A%0D%0AKata+kunci%3A+pengering+putar%2C+sampah+organik%2C+daun%2C+energi%2C+perancangan.%0D%0A%0D%0AThe+issue+of+waste+management+at+the+University+of+Lampung+(UNILA)+has%0D%0Abecome+a+concern%2C+with+a+total+waste+generation+reaching+770+kg+per+day.+To%0D%0Aaddress+the+waste+problem+at+UNILA%2C+torrefaction+technology+can+provide+a%0D%0Asolution+by+converting+waste+into+energy+in+the+form+of+solid+fuel.+Generally%2C%0D%0Aorganic+waste+has+a+high+moisture+content%2C+thus+requiring+a+drying+process+for%0D%0Aorganic+waste+before+the+torrefaction+process.%0D%0AThis+research+designs+a+rotary+dryer+to+reduce+the+moisture+content+in+leaf%0D%0Awaste.+The+objectives+of+this+study+include+calculating+the+technical+specifications%0D%0Aof+the+dryer%2C+estimating+energy+requirements%2C+analyzing+heat+transfer%2C+calculating%0D%0Aheat+loss%2C+and+creating+technical+drawings+of+the+dryer.+The+research+begins+with%0D%0Aa+literature+review+related+to+drying+technology%2C+characteristics+of+waste+at%0D%0AUNILA%2C+and+principles+of+heat+transfer.+Based+on+this+analysis%2C+a+rotary+dryer%0D%0Aconcept+is+chosen+that+utilizes+waste+heat+gas+from+the+torrefaction+process.+The%0D%0Aspecifications+and+energy+requirements+for+the+dryer+are+calculated+using%0D%0AMicrosoft+Excel%2C+followed+by+the+creation+of+a+3D+design+using+SolidWorks.%0D%0AThe+research+results+indicate+that+the+rotary+dryer+is+designed+to+dry+leaf%0D%0Awaste+with+a+direct+heating+system%2C+using+hot+gas+from+the+torrefaction+reactor%0D%0Adrawn+in+by+an+ID+Fan.+With+a+capacity+of+100+kg%2Fhour%2C+the+dryer+features+an%0D%0Aadjustable+inclination.+The+rotary+dryer+is+insulated+with+0.05+m+thick+glass+wool%0D%0Ato+minimize+heat+loss.+The+energy+required+for+the+drying+process+reaches+25.32%0D%0AkW%2C+with+a+heat+loss+of+0.3+kW.+The+study+concludes+with+specifications+for+the%0D%0Arotary+dryer%2C+including+a+diameter+of+0.9874+m%2C+a+length+of+3.5+m%2C+a+rotational%0D%0Aspeed+of+1+rpm%2C+and+a+drying+time+of+30+minutes.+The+design+resulting+from+this%0D%0Aresearch+is+expected+to+be+realized+into+a+real+device+and+further+developed+in%0D%0Asimulation+to+achieve+more+accurate+results.%0D%0A%0D%0AKeywords%3A+rotary+dryer%2C+organic+waste%2C+leaves%2C+energy%2C+design&rft.publisher=FAKULTAS+TEKNIK&rft.date=2024-08-09&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F83420%2F2%2FAbstrak_Tugas%2520Akhir%2520David%2520Robby%2520Mughni%25202015021014%2520-%2520David%2520Robby%2520Mughni%2520%25281%2529.pdf&rft.format=text&rft.identi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