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Measuring Material Level in Dusty Talc Applications for Luzenac America

PROBLEM:
“Ultrasonic systems from two leading manufacturers don’t work because of the heavy dust. The older weight and cable style doesn’t work well because of high maintenance. I need a reliable solution.”

EXPLANATION:
Luzenac supplies the pulp, paper and board industry with talc for use as a pitch control agent and a runnability aid, a coating pigment in both rotogravure and offset, and a functional filler. In certain specialty papers, e.g. colored papers, labels, Luzenac talc’s special properties help to improve quality and productivity. Talc also has application as an additive to ceramic, rubber, plastics and even roofing materials. Talc is about 50lbs/ft³ and very dusty. Older electromechanical weight & cable devices couldn’t live up to the rigors of the application, neither could ultrasonic systems that were blinded by the heavy dust.

SOLUTION:
The Monitor Technologies SiloPatrol® smart cable-based sensor system with 4-20mA output was being used successfully on this difficult application at the Luzenac plant in Sappington, Montana. The Three Forks plant needed a solution and decided to try the SiloPatrol inventory monitoring system to reliably keep track of their finished goods inventory. In this tough application the SiloPatrol proved to be the best solution. The sensor is unaffected by the dust and internal bin structures. The SiloPatrol sensor uses a powerful direct drive motor and 270lb. tensile strength cable along with state-of-the-art microcontroller based electronics.

Luzenac prefers the SiloPatrol system to other equipment they have tried. This is evidenced by their usage at the two plants in Montana and one plant in Houston, TX. They have dozens of units in place that continue to work reliably for them.

Give Monitor Technologies a call and let us put our creative solutions to work for you!

 

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Spotlight: Inventory Control
Solids Flow Detection  
Solids Flow Detection

Microwave solids flow detectors can be used in a variety of applications including feed mills & grain processing, consumer foods (cereal, sugar, cocoa, coffee), chemicals & pesticides and more. For example, one company uses Monitor’s Model SFD-2 solids flow detector to verify the flow of feed pellets through their various transport lines which involves a process where a horizontal screw auger is conveying pellets over to a vertical gravity chute.  The chute then directs the pellets to a process down below. They have carefully placed the SFD-2 so that it detects the pellets as they fall directly across the sensor face. (See Below)

Solids Flow_Pellet Application

The Model SFI and SFD-2 line of solids flow detectors from Monitor Technologies, LLC provide analog or relay outputs to indicate the flow / no-flow condition of powder and bulk solids materials in chutes and pneumatic conveying lines.  Using microwave Doppler radar technology these units are non-invasive plus extremely reliable and rugged to withstand the rigors of the installation and your process extremes. From automated systems with pneumatic lines to gravity chutes, solids flow monitors can help to improve process performance. They can assist in detecting flow problems, as well as, enhance the level of automation at a facility like turning a conveyor on or off.

For more information on Solids Flow Detectors click here or contact Monitor Technologies LLC at 800-766-6486 in the USA and 630-365-9403 worldwide.

 

>>Click here for more information about Solids Flow Detectors from Monitor Technologies.
>>Click here for more information on Plug Chute Solutions
>>Download Product Bulletin 813

 

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