Sludge blanket level detector
The Automatic Sludge Blanket Level Detector improves energy efficiency while processing incoming water or treating wastewater
This instrument improves energy efficiency when clarifying incoming process water or treating wastewater. Monitoring interface levels, it maintains preferred sludge depth in clarifiers, lamellas, DAFs, decanting tanks and SBRs. It automates desludge pumps to operate only when necessary: to prevent overflows, to avoid pumping large volumes of water/thin sludge, and to optimize sludge density before subsequent processing. The detector uses high intensity infra-red beams (well-suited for obstructed and constricted areas) to find thick or thin sludge. Four power levels automatically adjust for different concentrations of particulates. It is simple to install, and requires no calibration.
Markland Specialty Engineering
Annual Salary Survey
After almost a decade of uncertainty, the confidence of plant floor managers is soaring. Even with a number of challenges and while implementing new technologies, there is a renewed sense of optimism among plant managers about their business and their future.
The respondents to the 2014 Plant Engineering Salary Survey come from throughout the U.S. and serve a variety of industries, but they are uniform in their optimism about manufacturing. This year’s survey found 79% consider manufacturing a secure career. That’s up from 75% in 2013 and significantly higher than the 63% figure when Plant Engineering first started asking that question a decade ago.