Methods and apparatus for dissipating hydrostatic head in...

Details Methods and apparatus for dissipating hydrostatic head in... Methods and apparatus for dissipating hydrostatic head in...

F - Mech Eng,Light,Heat,Weapons

03

B

F03B 13/08 (2006.01) E02B 9/00 (2006.01) F03B 11/00 (2006.01)

Patent

CA 2717581

An energy dissipating assembly is provided for installation in a legacy hydroelectric generating station configured to pass water from a penstock through a turbine casing to a draft tube outlet. The assembly comprises: an energy dissipator mountable in the turbine casing between the penstock and the draft tube outlet; and means for forming a pressure containment chamber between the energy dissipator and the turbine casing. A method for retro-fitting an energy dissipating valve in a legacy hydroelectric generating station to provide a by-pass is provided. The legacy hydroelectric generating station is configured to pass water from a penstock through a turbine casing to a draft tube outlet. The method comprises: mounting an energy dissipator between the penstock and the draft tube outlet; and sealing the turbine casing to form a pressure containment chamber between the energy dissipator and the turbine casing.

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