Product category:
Ultrasonic and Clamp-on liquid flowmeters
News Release from: Micronics | Subject: DFM-IV
Edited by the Processingtalk Editorial
Team on 05 October 2005
Water monitoring for paint spray booth
recycling
Three DFM-IV Ultrasonic Flow Meters have been installed at the Plasticomnium automotive plant in Derby as part of a project to improve the quality performance of their spray booth plant
Three DFM-IV Ultrasonic Flow Meters have been installed at the Plasticomnium automotive plant in Derby as part of a project to improve the quality performance of their spray booth plant The DFM-IV utilises an external clamp-on sensor providing reliable measurement and control with no process contact, installation or in-line maintenance required
This article was originally published on Processingtalk on 27 Dec 2002 at 8.00am (UK)
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Utilising Doppler technology it monitors the flow rate of "difficult" liquids including: paint slurries, wastewater, chemicals, acids, abrasives and viscous liquids.
And it is suitable for full pipes and any fluid that contains solids such as paint or bubbles.
A strap-on sensor is mounted on the outside of a plastic or metal pipe and to measure flow an acoustic signal is reflected back to the sensor from particles or gas bubbles in the fluid.
Further reading
Non-invasive ultrasonic metering
The potential for non-invasive ultrasonic level and liquid flow technology in the process industry: a review by Ted Farnon of Micronics UK
Clamp-on and save installation costs and energy!
Every Energy Manager knows that the basis of good management and energy control is effective measurement, to provide a picture of what's happening, feedback on actions taken and demand trends!
No contact is made with the moving fluid and as a consequence there is no fouling or scale build-up on the sensor.
Installation is easy - without shutting down the flow system and no pipe cutting or drilling is required, providing significant cost savings over alternative in-line meters.
Plasticomnium operate within the automotive supply industry providing components for a number of leading car manufacturers with demanding quality standards: quality maintenance and improvement is a continuous process.
Overspray recovery from the booths is by water curtains and treatment of the contaminated exhaust air and water.
The interaction or balance between the exhaust air and water recovery process is related to the quality of the paint finish on the bumper sets being sprayed and the DFM-IV units are being used to measure the process water flow.
The contaminated water is pumped from the booth sumps for chemical treatment and removal of the paint sludge prior to being recycled in the process.
And a reduction in the water flow rate because too much paint is being collected and recovered from the system indicates that the process is out of balance and corrective measures are required.
Plant Engineer Mark Cashmore says, "The Micronics meters provided a cost-effective way of measuring the recycled water flow.
We've found that if we monitor and manage the water component in the system the exhaust air component is kept in balance and the result is consistent high quality with significant savings from reduced reworking of the bumper sets.
There were some initial snags as you would expect with any new system, however, the meters have worked well and the Micronics service response has been good".
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