Technology/IT ¦ IDM
Figure 4:
The latest non-contacting radar transmitters have been
designed to withstand harsh CIP and SIP procedures, and
to monitor the filling and discharge of cleaning agents.
Cleaning processes
Dairy manufacturers must take every precaution to reduce the
risk of contamination in their processes. Clean-in-place (CIP) and
sterilize-in-place (SIP) processes use spray balls and cleaning agents
such as water, detergent and chemicals to ensure the cleanliness
and sterility of process vessels.
The latest non-contacting radar level transmitters have been
designed with robust, easy to clean and food-graded wetted
parts, so that their performance is unaffected during these harsh
cleaning processes (see figure 4). These devices have a hygienic antenna
that is flush with the process connection and insensitive to
condensation and build-up, ensuring the removal of process residue
during CIP and SIP. In addition, their broad range of hygienic
process connections fit most common tank connections and sizes.
These devices are also used as part of the CIP and SIP systems,
where they help to prevent overfills and dry runs, and monitor the
filling and discharge of the cleaning agents.
To further maintain high sanitary standards, many dairy
manufacturers wash down the outside of their tanks with foaming
chemicals and/or high pressure and high temperature water.
The latest non-contacting radar level transmitters have a polished
stainless steel housing with minimal crevices, so that water and
any sediments can drain from their body during these washdowns,
thereby reducing the risk of bacteria growth. These devices are
IP69-rated and have a full range of hygienic approvals, ensuring
they meet the food safety standards of any plant.
Conclusion
By combining outstanding accuracy and reliability with a compact,
hygienic design and simple connectivity using the IO-Link communication
protocol, the latest non-contacting radar level transmitters
provide an ideal solution for demanding dairy industry applications.
The design enhancements featured in these devices make
them easy to implement, and help manufacturers to reduce production
variations for increased product quality and batch consistency.
Other significant benefits that these devices help to achieve
include minimized product loss, and increased food safety, tank
utilization and throughput.
Emerson.com/Rosemount1408H.
May/June 2022 ¦ international-dairy.com · 25
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