BWR turbopump recirculation system
Patent
·
OSTI ID:5461369
This paper describes a recirculation system for driving reactor coolant water in an annular downcomer defined between a boiling water nuclear reactor vessel and a core shroud spaced radially inwardly therefrom. It comprises: means for supplying feedwater to the vessel; and a turbopump disposed inside the downcomer and including: a stationary axle; inlet guide vanes fixedly joined to an upstream end of the axle for receiving the coolant water from the downcomer; a pump impeller rotatably joined to the axle and having an inlet end for receiving the coolant water, and an outlet end for discharging the coolant water at an increased pressure; outlet guide vanes fixedly joined to a down-stream end of the axle for channeling the discharged coolant water back into the downcomer; an annular plenum surrounding the impeller and joined to the feedwater supplying means for receiving the feedwater; circumferentially spaced turbine blades fixedly joined to the impeller and disposed in flow communication with the plenum for receiving the feedwater for rotating the impeller for driving the coolant water; and means for lubricating the impeller solely by the feedwater upon rotation of the impeller about the axle.
- Assignee:
- General Electric Co., San Jose, CA (United States)
- Patent Number(s):
- US 5073335; A
- Application Number:
- PPN: US 7-660306
- OSTI ID:
- 5461369
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
AUXILIARY SYSTEMS
AUXILIARY WATER SYSTEMS
BWR TYPE REACTORS
CONTAINERS
COOLANT LOOPS
COOLING SYSTEMS
DESIGN
ENERGY TRANSFER
ENRICHED URANIUM REACTORS
FEEDWATER
HEAT TRANSFER
HYDROGEN COMPOUNDS
OXYGEN COMPOUNDS
POWER REACTORS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTOR VESSELS
REACTORS
THERMAL REACTORS
VANES
WATER
WATER COOLED REACTORS
WATER MODERATED REACTORS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
AUXILIARY SYSTEMS
AUXILIARY WATER SYSTEMS
BWR TYPE REACTORS
CONTAINERS
COOLANT LOOPS
COOLING SYSTEMS
DESIGN
ENERGY TRANSFER
ENRICHED URANIUM REACTORS
FEEDWATER
HEAT TRANSFER
HYDROGEN COMPOUNDS
OXYGEN COMPOUNDS
POWER REACTORS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTOR VESSELS
REACTORS
THERMAL REACTORS
VANES
WATER
WATER COOLED REACTORS
WATER MODERATED REACTORS