PARKSON Hycor ThickTech RDT400, Installation, Operation & Maintenance Manual, Page: 18 / 198

SECTION TWO
Hycor
®
ThickTech™ Unit
TECHNICAL DESCRIPTION
!
DANGER
!
REVIEW ALL SAFETY PRACTICES LISTED IN SECTION ONE BEFORE
PROCEEDING.
Application
Designed as a rotary drum sludge thickener, the ThickTech™ unit performs two functions.
The first function is to achieve flocculation with minimal amount of expensive chemicals.
The second function, dewatering, takes place along a multi-zone drum cylinder. The zones
can have different size mesh media to augment thickened solids and capture efficiency as
the sludge moves along the length of cylinder.
Unit Description
The ThickTech unit will consist of: flock development tank, driven impeller, step down
header, multiple stage rotary drum with filtration media, drum drive system, supporting
frame, trunnion wheels, horizontal stabilizer wheels, spray deflection covering, spray wash
header, spray wash booster pump and return water collection tank.
(See page 2-1A or 2-1B based on model)
The flock tank, with drive impeller, increases flock development.
The step down header inside the rotary drum receives the influent from the flock tank and
directs it to the screen cylinder for separation. The distribution system distributes the flow
to both sides of the screen surface.
The multi stage rotary drum cylinder separates the solids and transports them to the solids
discharge via a split auger flight arrangement.
The drive system rotates the screen cylinder by utilizing a chain and sprockets.
The frame acts as the main support system for the flock tank and screen cylinder. Parallel
to the cylinder screen axis, the bottom of the frame provides the mounting surface.
The trunnions are rollers that support the screen cylinder on both ends and center. They
allow for cylinder rotation.
2-1