F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
F28F 9/02 (2006.01)
Patent
CA 2651599
Threaded channel closure for tubular heat exchanger comprising channel header (1) wherein the gasket (7) is provided at the shoulder of the channel, tongue of the diaphragm (8) is provided to apply pressure on the gasket to achieve the sealed joint, outer compression ring (9) provided at back side of the diaphragm 8 and being loaded by push bolts (1), provided at the periphery of threaded lock ring (2), outer compression ring (9) being supported by channel cover (3), which is kept in position by threaded lock ring (2), characterized in that, the channel header (1) being provided with plurality of radial holes (108) on its periphery, approximately at the centerline of the width of the outer compression ring (9) in its assembled condition; the outer compression ring (9) being provided with plurality of radial through holes (104) matching the set of holes (108) in number as well as angular position.
L'invention concerne un dispositif d'obturation de canal fileté pour échangeur de chaleur tubulaire comprenant un collecteur de canal (1) dans lequel le joint (7) est disposé au niveau de l'épaulement du canal ; une languette de la membrane (8) est prévue pour appliquer une pression sur le joint et obtenir le scellement étanche ; une bague de compression externe (9) est disposée sur le côté arrière de la membrane (8) et chargée par des boulons de poussée (1) disposés à la périphérie de la bague de verrouillage filetée (2), et supportée par un couvercle de canal (3) maintenu en position par la bague de verrouillage filetée (2), caractérisé en ce que le collecteur de canal (1) est doté d'une pluralité de trous radiaux (108) sur sa périphérie, approximativement à la ligne médiane de la largeur de la bague de compression externe (9) en son état assemblé ; la bague de compression externe (9) est dotée d'une pluralité de trous traversants radiaux (104) correspondant à l'ensemble de trous (108) en nombre ainsi qu'en position angulaire.
Modi Anil Kumar
Murur Venkatesh
Nembilli Veeravali Ramesh
Borden Ladner Gervais Llp
Larsen & Toubro Limited
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