DEVICE FOR DISCHARGE OF SPENT STEAM, INTERNAL STRUCTURE FOR STEAM TURBINE MODULE AND STEAM TURBINE MODULE Russian patent published in 2015 - IPC F01D25/30 F01D25/28 

FIELD: power industry.

SUBSTANCE: device for discharge of spent steam for the steam turbine module is fitted with a steam release channel (4a, 4b) restricted by a diffuser (5a, 5b) surface (8a, 8b) which guides steam, and also by a lower wall (7a, 7b). The device for discharge of spent steam contains the rigid shell ring (13a, 13b) with the circular and semicircular shape on which the following is rigidly fixed: the diffuser (5a, 5b) and the rigid fixing device (6a, 6b) intended for support of the spent steam discharge device on the rigid frame (20a, 20b). The rigid fixing device contains a set of rigid bars (6a, 6b) passing through the steam release channel (4a, 4b), and the first end face of each bar (6a, 6b) is installed on the shell ring (13a, 13b). The second end face of each bar is rigidly fixed in the named lower wall (7a, 7b) of the spent steam discharge device for support by the named rigid frame (20a, 20b).

EFFECT: weight of the discharge device is decreased approximately by 30%, the internal structure of the discharge device becomes more robust, the process of manufacture allows to adapt easily the structure for prevention of resonance, the cost of the obtained unit is lower, than that of a cast diffuser.

10 cl, 6 dwg