Expandable mixing section gravel and cobble eductor
- Kenyon, MN
- Lakeville, MN
In a hydraulically powered pump for excavating and transporting slurries in hich it is immersed, the improvement of a gravel and cobble eductor including an expandable mixing section, comprising: a primary flow conduit that terminates in a nozzle that creates a water jet internal to a tubular mixing section of the pump when water pressure is applied from a primary supply flow; a tubular mixing section having a center line in alignment with the nozzle that creates a water jet; a mixing section/exit diffuser column that envelopes the flexible liner; and a secondary inlet conduit that forms an opening at a bas portion of the column and adjacent to the nozzle and water jet to receive water saturated gravel as a secondary flow that mixes with the primary flow inside of the mixing section to form a combined total flow that exits the mixing section and decelerates in the exit diffuser.
- Research Organization:
- National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV
- Assignee:
- United States of America as represented by Department of Energy (Washington, DC)
- Patent Number(s):
- US 5667365
- OSTI ID:
- 871147
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
adjacent
alignment
applied
bas
center
center line
cobble
cobble eductor
column
combined
comprising
conduit
creates
decelerates
diffuser
eductor
envelopes
excavating
exit
exits
expandable
expandable mixing
flexible
flexible line
flow
flow conduit
form
forms
gravel
hydraulically
immersed
improvement
including
inlet
inlet conduit
inside
internal
jet
line
liner
mixes
mixing
mixing section
nozzle
portion
powered
pressure
primary
pump
receive
saturated
secondary
secondary flow
section
slurries
supply
terminates
total
transporting
tubular
water
water jet
water pressure