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Title:Sušenje modrega bakra
Authors:ID Cerkvenik, Benjamin (Author)
ID Hriberšek, Matjaž (Mentor) More about this mentor... New window
ID Ren, Zoran (Comentor)
Files:URL UNI_Cerkvenik_Benjamin_2012.pdf (2,08 MB)
MD5: 5F20BDE76E5F6204C88BB7AFA8901E92
PID: 20.500.12556/dkum/4ecdae5a-c926-48aa-bf3b-eadea1f6777b
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Pri sušilniku z lebdečim slojem vpihujemo sušilni zrak skozi mrežo in skozi vlažen zrnat material, ki se nahaja v sušilniku. Hitrost zraka, s katerim sušimo, mora biti dovolj velika, da se material, ki ga želimo osušiti, dvigne in začne obnašati kot tekočina. Padec tlaka v sušilnem zraku pri prehodu skozi lebdeči sloj je enak približni teži materiala na enoto površine. Za razumevanje in optimiziranje sušenja moramo poznati tokovno polje zraka v sušilniku, saj je od tega odvisen prenos toplote in snovi med delci. Razmere v lebdečem sloju so izotermne zaradi visoke stopnje mešanja delcev, torej ni velikih temperaturnih nihanj. Od tod sledi, da se lebdeča snov suši enakomerno. Snov je v obliki prašnih delcev. Komora, v kateri se nahaja vlažni material, je pod majhnim kotom in lahko vsebuje vibrirajoče ploščice, ki nam pomagajo pri lepljivih materialih. Po končanem sušenju vodimo material iz sušilnika na vibracijsko sito, kjer odstranimo nezaželene grobe delce, ki jih pozneje vodimo v fazo recikliranja. Preostali delci, ki so primerni za uporabo, pa napolnijo vreče, ki jih pripravimo za transport do končnih uporabnikov.
Keywords:sušenje, sušilnik z lebdečim slojem, merilni instrumenti, izboljšava, optimiziranje
Place of publishing:Maribor
Publisher:[B. Cerkvenik]
Year of publishing:2012
PID:20.500.12556/DKUM-37767 New window
UDC:621.762:669.3.047(043.2)
COBISS.SI-ID:17073174 New window
NUK URN:URN:SI:UM:DK:FSMVZSFH
Publication date in DKUM:21.11.2012
Views:2032
Downloads:125
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:Drying of blue vitriol
Abstract:In a dryer with a fluid bed air is blown through the net and through the moist granular material, which is located in the dryer. Air velocity must be high enough, in order to the material that you want to dry rises and begins to behave like a fluid. Pressure drops when the drying air in passing through the floating layer equals approximately the weight of the material per unit area. To understand and optimize the drying process, we should be familiar with the air flow field in the dryer, because it influences the heat and mass transfer between particles. Conditions are isothermal, because of high rates of mixing particles, so there are no large temperature fluctuations. From here it follows that the suspended matter dries evenly. Substance is in the form of dust particles. The chamber in which there is a wet material is at a low angle, and may contain vibrant tiles that help us with sticky materials. After the drying the material is collected from the oven on a vibrating sieve. That removes unwanted coarse particles, because they are not suitable for use. The remaining particles, which are suitable for use, fill the bags and are prepared for transport to customers.
Keywords:drying, fluid bed dryer, measuring instruments, enhancement, optimization


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