blowcase

blowcase

[′blō‚kās]
(chemical engineering)
A cylindrical or spherical corrosion- and pressure-resistant container from which acid is forced by compressed air to the agitator; used in manufacture of acids but largely superseded by centrifugal pumps. Also known as acid blowcase; acid egg.
(petroleum engineering)
A pumping device used to transfer crude oil and water mixtures without agitation in order to prevent emulsions.