Coal mill exhauster fan

F - Mech Eng,Light,Heat,Weapons – 01 – D

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

F01D 5/22 (2006.01) F04D 29/28 (2006.01)

Patent

CA 2302341

An improved coal mill exhauster fan (100) having an elongated, conical hub (102) welded to the blades (104) and engaging the rear shroud plate (108) to eliminate air gaps along the rear of the fan assembly and to assist in axial to radial directional changes of the coal flow; two-piece blade assemblies (104) having a sub-blade (104) welded directly to the hub and shroud plates, and a protective liner (106) removably secured to the sub-blades only, for example by bolts; a plurality of swept-back stiffener ribs (110)welded to the rear undersides of the sub- blades, hub and shroud to increase rigidity, and with angled deflector faces (110a,110b)to reduce erosion; and an improved hub cap (112} or spinner seal (112) which extends further toward the housing inlet (12) than traditional Cooley caps and which forms a smooth, non-turbulent extension of the hub relative to the incoming coal flow.

L'invention concerne un ventilateur d'évacuation (100) de pulvérisateur de charbon possédant un moyeu (102) conique soudé aux pales (104) et en prise avec l'enveloppe arrière (108) pour éliminer les intervalles d'air le long de la partie arrière de l'ensemble ventilateur et favoriser les changements de direction axiale à radiale du flux de charbon; des ensembles pales (104) à deux pièces comportant une sous-pale (104) soudée directement au moyeu et aux enveloppes, et un revêtement (106) de protection fixé amovible aux sous-pales uniquement, par exemple par des verrous; plusieurs nervures de renforcement (110) en flèche et soudées aux faces inférieures arrières des sous-pales, du moyeu et de l'enveloppe pour augmenter leur rigidité, ces nervures comportant des faces de déflexion (110a, 110b) en angle pour réduire leur érosion; et un chapeau de moyeu (112) ou obturateur de cône d'hélice (112) amélioré s'étendant d'avantage vers l'orifice d'admission du logement (12) que les chapeaux de Cooley traditionnels et formant une extension souple, non turbulente du moyeu par rapport au flux entrant de charbon.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Coal mill exhauster fan does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Coal mill exhauster fan, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coal mill exhauster fan will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1916834

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.