draft tube

draft tube

[′draf ‚tüb]
(mechanical engineering)
The piping system for a reaction-type hydraulic turbine that allows the turbine to be set safely above tail water and yet utilize the full head of the site from head race to tail race.
References in periodicals archive ?
Tenders are invited for panniar hydro electric project -fabrication, supply and erection of draft tube cone pipe and draft flange along with 450mm pipe portion of unit #1 and 2
The multistage process includes MVR falling film evaporation, two-stage crystallization in a HPD draft tube crystallizer and a HPD MVR crystallizer to produce anhydrous sodium sulfate that is dried for sale.
Service and draft tube air compressor upgrades at Wells Hydro, Douglas County Public Utility District; 10:30 p.
Installation of Draft Tube Pieces and Embedded components of Bonneted Gate completed in all four units.
Since the runner is a rotating component, rotor-stator interaction will occur between cylindrical valve and runner flow fields and between draft tube and runner flow fields.
11so fitted with an auger extending out of the upper draft tube, enabling the mill to pull material from above the upper draft tube and feed it into the media field for grinding.
Ekato draft tube circulator streamlines inside a crystalliser or draft tube reactor
The HCPS is also fitted with an auger extending out of the upper draft tube, enabling the mill to pull material from above the upper draft tube and feed it into the media field for grinding.
Now we're in the draft tube at the very bottom of the turbine where the runner looks like nothing so much as a massive metal flower, its bucket edges like curving petals.
Revitalization processes principally influence constructional changes on guide vanes or turbine blades and lesser the draft tube and tailrace HPP region.
Spiracle CFS also reduces in-cab fumes and draft tube "road drips," keeps the engine enclosures free from oil film, and reduces engine oil consumption.
A blade in the lower draft tube focuses the suction of slurry exclusively from the mill's upper level.