Elementis makes iron oxides that are used as pigments. They have discovered PULSAIR is the perfect solution to their mixing needs.
Part of the process requires maintaining water/iron oxide slurries. After the slurry is pumped out of the tank, the remaining pigment must be cleaned out before the next batch is pumped in. The problem with side and top entering mixers is threefold:
- the mechanical mixers do not consistently maintain the slurry and there is often fall out:
- the mechanical mixers do not provide a cleaning solution after the tank is emptied and
- the mechanical mixers tend to leak over time if they are side entering, or they require additional tank add-ons like baffles, anti-torque retrofitting and supporting motor mounting framework.
Our Philadelphia rep Kevin Haugen of TES introduced PULSAIR to Elementis and their engineering consultant UAI. He presented Pulsair as the perfect slurry maintenance mixer that requires minimal maintenance, consumes negligible amounts of energy, has no moving parts and doesn't leak. Furthermore, Pulsair cleans the tank because the mixing action scours the tank floor.
After a demonstration, Elementis bought a test unit.
UAI asked Kevin to add a clean-in-place ("CIP") feature to the Pulsair. PULSAIR founder Dick Parks flew out and met with Kevin and the customer. During that meeting, they developed the CIP. The CIP works by releasing water into the injection pipes between pulses. The ensuing pulse then blasts the water out of the line, onto the tank floor. The CIP is selected by flipping a switch on the Pulsair controller.
see also: Slurry Suspension Tests