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À¯Ã¼´Â Æú¸®¸Ó ÀÌ°í, ¹Ðµµ°¡ ´ë·« 950kg/m3 ÀÔ´Ï´Ù.

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°è»ê1. ¿©°ú¸éÀûÀÌ 8.6m2 (ÀÌ ¸éÀûÀº ¾îÂî °è»ê µÇ´ÂÁö...)

À¯·® 100kg/hr(0.10m3/hr) À϶§ (ÃÖ´ë 500kg/hr ¶ó°í ÀûÇô ÀÖÀ½) 

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°øºÎÀïÀÌ chonpd1   20-03-04 16:34
¹Ù»Ú½Ç Å×´Ï °è»êÀ» Á÷Á¢ Çغ¸°ÚÀ¸³ª,
À§ °è»ê1,~4¿¡ °ü·ÃµÈ ½ÄµéÀÌ¶óµµ ÀÖ´Ù¸é ÀÏ·¯ ÁÖ½Ã¸é °¨»çÇÏ°Ú½À´Ï´Ù...
°øºÎÀïÀÌ chonpd1   20-03-07 00:25
Áö±Ý ´Ù½Ã º¸´Ï 60©ª X 750LÀÌ ¾Æ´Ñ ©ª60 X L750Àε¥ Á÷°æ 60¿¡ ±æÀÌ 750 °°½À´Ï´Ù..;;
ÀÌ°æ¿ì¿¡ ´Â °è»ê °¡´ÉÇÒ±î¿ä? Áö±Ý °è¼Ó ºÙÀâ°í Àִµ¥. ½ÄÀ» Á¤È®È÷ ¸ô¶ó¼­....
½ºÅ×Æijë Stefano   20-03-08 21:23
(0) Äڷγª19 »çÅ·Πµé¾î¾É¾Æ ÀÖ´Ùº¸´Ï ´ä±ÛÀÌ ´Ê¾îÁ³½À´Ï´Ù.

(1) FilterÀÇ ¸éÀû ¼±Á¤Àº...

½×ÀÌ´Â 1)¹°ÁúÀÇ ÀÔµµ¿Í È帣´Â 2)À¯Ã¼ÀÇ ¹°¼º(¹Ðµµ, Á¡µµ), 3)¿©°ú¸é ÀüÈÄÀÇ ¾Ð·ÂÂ÷,  4)À¯·® ±×¸®°í 5)FilterÀÇ Service ÁÖ±â(Fliter ±³Ã¼ Sequence ÁÖ±â)¿¡ ÀÇÇØ °áÁ¤µË´Ï´Ù. 

Cake Volume, (Vc m3 per Sequence)  = Slurry Flow Rate (Q m3-Slurry/h) * Cake to Slurry Ratio (R m3 cake/m3-slurry) * Sequence Period (h) .............(1)      R = Slurry ºÎÇDZâÁØ ¿©°ú±â¿¡ ½×ÀÌ´Â Cale ºÎÇÇÀÇ ºñ (½ÇÇèÀ¸·Î °áÁ¤)

Filter Area Required, (A m2 per Filter) = (Cake Volume Vc m3 per Sequence)/(±³Ã¼Àü End Point Filter Cake Depth,L m) ....(2)

Pressure Drop per Filter Cake Depth, ¥ÄP/L = function of (S, Specific Surface Area; f, Friction Factor; ¥å, porosity;  Re, Particle Reynolds Number; ¥ñ, Fluid Density; v, Fluid Superficial Velocity)  ............(3)   

À§ÀÇ (3)½ÄÀÇ ParameterµéÀº (2)Ç×ÀÇ Âü°íÀÚ·áI¿¡¼­ ³ªÅ¸³½ ¸Å°³º¯¼öµéÀε¥  ¹®Á¦´Â PermeabilityÀÔ´Ï´Ù. 

Q = A*(∆p/L)*K  .........(4)  Darcy's Eq.    Q/A = (Superficial Åë°ú ¼±¼Óµµ, v )= (∆p/L)*K  ........(4a)     

K =  B/¥ì    .........(4)      B = Åõ°ú°è¼ö(Permeability, ½ÇÇèÀûÀ¸·Î ÃøÁ¤ 10^-10 ~10^-8¼öÁØ ´ÜÀ§: [m2]),    K = Åõ°ú°è¼ö/Á¡µµ

À§ÀÇ (4)½Ä¿¡¼­ A¸¦ ±¸ÇÏ¸é µÇ´Âµ¥  (3)½ÄÀÌ  v¿Í Reynolds No. µîÀÌ ¼­·Î ²¿¿©À־ ½ÇÇèµ¥ÀÌÅÍ°¡ ¾ø´Ù¸é ½ÃÇà¿ÀÂ÷ÀÇ ¹æ¹ýÀ¸·Î Ç®¼ö ¹Û¿¡ ¾ø½À´Ï´Ù.

ÇÊ¿äÇÑ Filter ¸éÀû A = Q/(∆p/L)/(B/¥ì) ........................(5)

(2) Â÷¾Ð°è»ê¿ø¸®
ParticleÀÌ ½×¿©ÀÖ´Â Bed¿¡ Åë°úÇÏ´Â À¯Ã¼ÀÇ Â÷¾Ð °è»êÀÇ ¿ø¸®´Â Darcy EquationÀ» ¹ÙÅÁÀ¸·Î °³¹ßµÇ¾ú´Âµ¥ ±× À¯¸íÇÑ  Kozzeny-Carman EquationÀ̳ª Ergun EquationÀ¸·Î Àß ³ªÅ¸³»Á® ÀÖ½À´Ï´Ù.

Âü°íÀÚ·áI:  http://calliope.dem.uniud.it/CLASS/DES-IND-PLA/flowthroughbed.pdf

»ó¼¼ÇÏ°Ô ¾Ë¾Æº¸·Á¸é ¾Æ·¡ÀÇ Ullmann HandbookÀ» ÂüÁ¶Çϼ¼¿ä.
Âü°íÀÚ·áII:  https://ethz.ch/content/dam/ethz/special-interest/mavt/process-engineering/particle-technology-laboratory-dam/documents/lectures/practica/Ullmann_Filtration_Fundamentals.pdf

(3) Filter ElementÀÇ ¸éÀûÀ» Vendor Print ³ª ±âŸ Âü°íÀÚ·á¿¡¼­ °è»êÇØ º¸·Á¸é ÀÌ°÷À» Âü°í·Î Çϼ¼¿ä.

https://www.google.co.kr/search?q=%22surface+area+calculation+of+filter+media%22&tbm=isch&ved=2ahUKEwjbvvHy7oroAhXUBt4KHW-XBh0Q2-cCegQIABAA&oq=%22surface+area+calculation+of+filter+media%22&gs_l=img.3...10682.11814..12004...0.0..0.108.213.0j2......0....1..gws-wiz-img.......35i39.AmHWjYd4tfk&ei=XuNkXtuXDdSN-AbvrproAQ&bih=757&biw=1367
°øºÎÀïÀÌ chonpd1   20-03-12 03:24
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