Heat transfer sheet for rotary regenerative heat exchanger

Details Heat transfer sheet for rotary regenerative heat exchanger Heat transfer sheet for rotary regenerative heat exchanger

F - Mech Eng,Light,Heat,Weapons

28

D

F28D 19/04 (2006.01)

Patent

CA 2759895

A heat transfer sheet [60,160,260,360] for a rotary regenerative heat exchanger is shaped to include sheet spacing features [59], which provide spacing between adjacent heat transfer sheets [60,160,260,360], and undulation surfaces [68,70] (corrugations) in the sections between the sheet spacing features [59]. The undulation sections [68,70] are constructed of regularly spaced lobes [64,72] extending at an angle with respect to the spacing features [59]. The undulating sections [68,70] impart turbulence in the air or flue gas flowing between the heat transfer sheets [60, 160, 260, 360] to improve heat transfer. The heat transfer sheets [60,160,260,360] may include undulating surfaces that differ in angle of their lobes [64,72].

L'invention porte sur une feuille de transfert de chaleur [60, 160, 260, 360] pour un échangeur de chaleur à récupération rotatif, qui est façonnée pour comprendre des caractéristiques d'espacement de feuilles [59], qui fournissent un espacement entre les feuilles de transfert de chaleur adjacentes [60, 160, 260, 360], et des surfaces d'ondulation [68, 70] (ondulations) dans les sections entre les caractéristiques d'espacement de feuilles [59]. Les sections d'ondulation [68, 70] sont construites à partir de lobes régulièrement espacés [64, 72] s'étendant à un certain angle par rapport aux caractéristiques d'espacement [59]. Les sections d'ondulation [68, 70] produisent une turbulence dans l'air ou le gaz de carneau circulant entre les feuilles de transfert de chaleur [60, 160, 260, 360] pour améliorer le transfert de chaleur. Les feuilles de transfert de chaleur [60, 160, 260, 360] peuvent comprendre des surfaces d'ondulation dont les angles des lobes [64, 72] différent.

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