1. Bring You Back Fresh Air! No.1 Jason LAI, PMP Kunshan EverBright Ventilation Equipment Co., Ltd. http://www.ebfan.com info@ebfan.com

2. 2 Ever Bright Bring You Back Fresh Air! www.EBFan.com 3. Bring You Back Fresh Air! : , , 4. 4 Ever Bright Bring You Back Fresh Air! www.EBFan.com :CMH, CMM,CMS : CFM , , . , =xx 5. 5 Ever Bright Bring You Back Fresh Air! www.EBFan.com : CMH Cubic Meter Per Hour () CMM Cubic Meter Per Minute () CMS Cubic Meter Per Second () LPS Liter Per Second () : 1CMS = 60CMM = 3600CMH, 1CMS=1000LPS : CFM Cubic Feet Per Minute () : 1CMM = 35.32 CFM 1CFM = 1/35.32*60 = 1.7CMH 6. 6 Ever Bright Bring You Back Fresh Air! www.EBFan.com , , 7. 7 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- : Pa(PASCAL) = N/M^2 () mmAq(mm-H2O) = Kg/M^2 () : 1mmAq = 9.8 Pa (10Pa) -- : inWg, in-H2O, () -- : 1 inWg = 25.4 mmAq 8. 8 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- total pressure (TP) -- static pressure(SP) -- dynamic pressure(Pd) velocity pressure (Pv), Pv = V^2/(2g) * r V: M/S, g: 9.8 M/S^2, r: KG/M^3 ,20,, r=1.2, Pv(mmAq)= (V/4.03)^2 -- -- = + (TP = SP + Pd) 9. 9 Ever Bright Bring You Back Fresh Air! www.EBFan.com , , . . (KW) = (CMM) * (mmAq) / 6120 (BRAKE HORSE POWER) BKW = (KW)/(%). , , 11KW, +20%, 11KW, +15%. KW, HP, : 1HP = 0.746KW 10. 10 Ever Bright Bring You Back Fresh Air! www.EBFan.com (FAN LAW) , , (, ) 11. Bring You Back Fresh Air! (centrifugal) (axial) 12. 12 Ever Bright Bring You Back Fresh Air! www.EBFan.com () -- (Centrifugal fan) -- (Axial fan) 13. 13 Ever Bright Bring You Back Fresh Air! www.EBFan.com 2 2 0 1500 mmAq -10dB , 1 1 0 250 mmAq 14. 14 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- (, Sirocco) forward inclined -- backward inclined -- backward curved -- () airfoil blade -- radial blade -- turbo () 15. 15 Ever Bright Bring You Back Fresh Air! www.EBFan.com () , , 16. 16 Ever Bright Bring You Back Fresh Air! www.EBFan.com (1) --(light duty) 50mmAq / , , ,18 17. 17 Ever Bright Bring You Back Fresh Air! www.EBFan.com (2) --(general type) 100mmAq / , () , , 40 P u n k e r V e n t ila to r r d e r + L u f tte c h n ik 18. 18 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- backward inclined -- backward curved , , , 250mmAq, 500-1000mmAq. , , . 250mm 2050mm , P u n k e r Ve n tila to rr d e r+ L u ftte c h n ik 19. 19 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- airfoil blade , , , , , , , . , 3-7%, 2- 3dB 20. 20 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- /// /// 21. 21 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- (turbo fan or pressure fan) , . , , 1000mmAq 22. 22 Ever Bright Bring You Back Fresh Air! www.EBFan.com --(radial type) radial blade radial tip blade . , . , . 750mmAq . 23. 23 Ever Bright Bring You Back Fresh Air! www.EBFan.com 40 65% 1 100mm 45 75% 1.2 250mm 45 75% 1.2 250mm 50 82% 1.3 300mm 35 60% 1.4 750mm 30 55% 1.45 1000mm () 24. 24 Ever Bright Bring You Back Fresh Air! www.EBFan.com (single inlet SISW) (double inlet DIDW) (cabinet type or box type) () 25. 25 Ever Bright Bring You Back Fresh Air! www.EBFan.com , , . () Spiralgehaeuse Einstroemduese 26. 26 Ever Bright Bring You Back Fresh Air! www.EBFan.com , , , . , . 27. 27 Ever Bright Bring You Back Fresh Air! www.EBFan.com () #2 315MM 12 #3 450MM 18 #4 630MM 24 #5 800MM 30 #6 900MM 36 #7 1000MM 42 , , , MM, INCH #1 = 6 28. 28 Ever Bright Bring You Back Fresh Air! www.EBFan.com , . , 1.6 ~1.7 . 1.8 ~ 1.9. . , . 29. 29 Ever Bright Bring You Back Fresh Air! www.EBFan.com (1) , , , . , . , . 30. 30 Ever Bright Bring You Back Fresh Air! www.EBFan.com (2) , , . , , . () 31. 31 Ever Bright Bring You Back Fresh Air! www.EBFan.com , , 32. 32 Ever Bright Bring You Back Fresh Air! www.EBFan.com 33. 33 Ever Bright Bring You Back Fresh Air! www.EBFan.com 34. 34 Ever Bright Bring You Back Fresh Air! www.EBFan.com (1) , amca99arrangement 1 ~ 9. arr.1()arr.3( ) , , , . , , , 35. 35 Ever Bright Bring You Back Fresh Air! www.EBFan.com (2) , , CWCCW. TH(), BH(), UB(), DB(), TAD, TAU, BAU, BAD. 36. 36 Ever Bright Bring You Back Fresh Air! www.EBFan.com (3) , , , CW CCW 37. 37 Ever Bright Bring You Back Fresh Air! www.EBFan.com --(VANE AXIAL) ( SP200-250mmAq --(TUBE AXIAL) ( SP100-130mmAq 1/2 38. 38 Ever Bright Bring You Back Fresh Air! www.EBFan.com 250mmAq. 30% 39. 39 Ever Bright Bring You Back Fresh Air! www.EBFan.com 40. 40 Ever Bright Bring You Back Fresh Air! www.EBFan.com . 41. 41 Ever Bright Bring You Back Fresh Air! www.EBFan.com 100-120mmAq 25% 42. 42 Ever Bright Bring You Back Fresh Air! www.EBFan.com + , . , . , , vane axial. 43. 43 Ever Bright Bring You Back Fresh Air! www.EBFan.com () , , . 1.9 . 44. 44 Ever Bright Bring You Back Fresh Air! www.EBFan.com 45. 45 Ever Bright Bring You Back Fresh Air! www.EBFan.com , , , , , , , 46. 46 Ever Bright Bring You Back Fresh Air! www.EBFan.com Jet fan , , , , , . N = (CMS)*(KG/M^3)*(M/S)[ * * ] 47. Bring You Back Fresh Air! /// // 48. 48 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- Roof centrifugal fan -- Roof axial fan -- -- (1) 49. 49 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- Roof centrifugal fan ,FRP (2) 50. 50 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- Roof axial fan FRP . , (3) 51. 51 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- -- , , ,, . (4) 52. 52 Ever Bright Bring You Back Fresh Air! www.EBFan.com -- () 8 ~ 18 -- 16 ~ 36 -- 10 ~ 60 30 (1) 53. 53 Ever Bright Bring You Back Fresh Air! www.EBFan.com (2) , . , 30PA 150PA , , . , . (1mmAq=9.8Pa) , , , . 54. 54 Ever Bright Bring You Back Fresh Air! www.EBFan.com , MIX FLOW, . . , 55. 55 Ever Bright Bring You Back Fresh Air! www.EBFan.com (1) (PLENUM FAN /PLUG FAN) , , . , , , 10%. . . 56. 56 Ever Bright Bring You Back Fresh Air! www.EBFan.com (2) (PLENUM FAN /PLUG FAN) , . : , , , . 57. 57 Ever Bright Bring You Back Fresh Air! www.EBFan.com (1) Tubular Centrifugal fan , , . 90, . : , . : , . 25% - 50%, 58. 58 Ever Bright Bring You Back Fresh Air! www.EBFan.com (2) Tubular Centrifugal fan , . ( ). , . 59. 59 Ever Bright Bring You Back Fresh Air! www.EBFan.com Inline Centrifugal fan , , , , , , 50%. 60. Bring You Back Fresh Air! 61. 61 Ever Bright Bring You Back Fresh Air! www.EBFan.com () , , 62. 62 Ever Bright Bring You Back Fresh Air! www.EBFan.com () ( ) 63. 63 Ever Bright Bring You Back Fresh Air! www.EBFan.com () , , 64. 64 Ever Bright Bring You Back Fresh Air! www.EBFan.com () : : 65. 65 Ever Bright Bring You Back Fresh Air! www.EBFan.com (1) SP KW AIR VOLUME - - 66. 66 Ever Bright Bring You Back Fresh Air! www.EBFan.com (2) SURGE AREA , 50%. SP KW AIR VOLUME