About Solids Measurement
Solve Your Challenges in Bulk Solids Applications with Level Measurement
Measuring the level of solids can be a challenge due to material properties, uneven surfaces with irregular shapes, and high levels of dust. Additionally, solid materials often have low dielectric constants, making them hard to measure.
Rosemount™ Level Measurement Instrumentation for Solids Applications encompasses diverse technologies—Non-Contacting Radar Transmitters, Guided Wave Radar Transmitters, and Solids Switches—that will help you obtain insights into your processes, reduce interruptions, optimize production, and achieve a higher level of safety across various industries.
The main benefit of a continuous level measurement is that it can be used to control a process or ensure material availability. Having a continuous insight into the process enables process optimization, reduced interruptions and a higher level of safety.
In level measurement there are often relatively fast level changes and low dielectrics. Radar devices are generally very good at handling this and are therefore recommended for level control and inventory management.
Solids level switches consists of several technologies that are suitable for full, demand or empty detection for all bulk media in all types of vessel.
They are simple to use and install, robust and reliable, insensitive to dust, electrical charge and adhesion. They can be used for simple process control, or handle extreme conditions such as high temperatures, pressure, mechanical stress and tensile forces.
To ensure a safe process, multiple devices can be installed in a vertical, horizontal or oblique position.
All level measurement instruments are affected by the uneven surfaces in solids applications. The material characteristics and silo size will affect the structure of the surfaces, which affects the preferred installation location and choice of technology.
Best practice is to have both continuous and point level measurement instrumentation to ensure a safe and reliable operation.
There is often a considerable amount of dust created during the fill cycle of solid materials.
Both radar and level switches can handle dust in the vapor space without being disturbed. Other technologies such as ultrasonic and laser devices are less suitable since their signal is significantly impacted by dust.
It is important to consider where in the silo the level will be changing, depending on the material characteristics, silo size and filling location. The closer the device is mounted to the filling point, the larger the risk of measurement interference.
Radar instruments are top-down installations, while point level switches are mounted in a vertical, horizontal or oblique position. To ensure a safe and reliable operation, multiple devices on different locations are recommended. For some applications, choosing a tank that does not corrode over time is key, especially in outdoor settings. For plastic tanks and drums, non-contacting radar devices’ measurements can penetrate the plastic roof, thus allowing installation above a plastic tank.
No technology is perfect for all applications and the choice of technology is most often application dependent.
Non-contacting radar is an all-around technology for use in a large variety of applications. Guided wave radar is suited for low DC, long ranges and when installation area is restricted. Switches consists of several technologies that are suitable for full, demand or empty detection for all bulk media in all types of vessel.
Accurately and reliable measure storage levels of low-dielectric polymers in polymerization plant silos.
Accurately measure PP/PE levels in finished product storage silos despite low dielectric constants.
Accurately measure levels of stored coal despite the dusty, large-volume conditions in bunkers and blending facilities.
Accurately measure fly ash levels in storage silos despite challenging process and material conditions.
Accurately measure lime levels in dusty supply bins to ensure reliable supply for continuous production.
Accurately measure levels in fast-moving crushing applications to optimize crusher maintenance and operations.
Maintain accurate inventory of large particles, small particles and powders with non-contacting radar level technology
Accurately measure levels in conveyor belts to optimize operations
Accurately measure powdered iron levels in storage silos to prevent process shutdowns
Accurately measure coal levels in storage silos for real-time inventory, process control, and shipment preparation.
Optimize sludge supply and avoid unnecessary downtime with reliable radar level sensors
Accurately measure wheat levels in grade-differentiated silos to optimize cleaning cycles and avoid process disruption.