What are the common applications of signal conditioning devices in the chemical industry?

Signal conditioning devices are used in multiple stages of chemical processes such as intake (isolation/conversion), feed/storage silo level measurement, temperature measurement during steaming, impregnation, neutralization, fermentation, yeast propagation, and distillation, as well as in product tank level measurement and signal conversion in membrane filter presses.

Which types of signal conditioning devices are suitable for hazardous locations in chemical plants?

Intrinsically safe (I.S.) interfaces, isolators, and converters like the 9106B and 9116B models, as well as 2-wire transmitters with HART protocol, are commonly used. Expert support by highly educated intrinsic safety specialists is available to ensure compliance and safety.

Why is accurate temperature measurement critical in chemical processes?

Temperature is a vital parameter affecting process control and plant performance. Inaccurate or failing temperature transmitters can cause process stoppages and degrade overall plant efficiency, as illustrated by issues in processes like chloroacetic acid manufacturing.

How do signal conditioning devices contribute to improved process control and hazardous area safety in chemical manufacturing?

Signal conditioning devices condition sensor signals by isolating, converting, linearizing, splitting, and amplifying them to ensure accurate transmission to control systems. Intrinsically safe devices certified for hazardous locations prevent ignition risks while maintaining reliable output. These measures optimize process control, ensure safety compliance, and reduce plant downtime.

Chemical

Reliability and safety without compromise.

Optimize your chemical process. See suggestions for where to use PR products and solutions.

1. Intake - isolation / conversion
2. Feed / storage silo - level measurement
3. Steaming and impregnation - temperature measurement
4. Pretreatment hemicellulose - linearization / conversion
5. Neutralization / inhibitor control - temperature measurement
6. Hydrolysis / fermentation - linearization / isolation
7. Yeast propogation - temperature measurement
8. Distillation - temperature measurement
9. Product tank - level measurement
10. Membrane filter press - signal conversion
11. Discharge pipes - isolation / conversion

Examples - devices used in chemical industry

HART based measurement of temperature after the heat exchanger for regulation of steam pipe - 5337D & 9106B.
Measurement of gas leakage demand full assessment SIL 2 loop - 5335D & 9116B.
Signal splitter (1 input & 2 output) for temperature signals with output signals to main PLC and safety PLC - 6335D & 9106B.

The above are merely examples - kindly contact us if you require assistance in finding the right device.

APPLICATION EXAMPLE: CHEMICAL

Level measurement and sensor wire break monitoring

Explore how PR electronics 4116 & 4184 ensure accurate level measurement and wire break monitoring in multi-tank systems

CASE STORY: CHEMICAL

Safe and precise temperature transmission and control can prevent unplanned production downtime

Stable, safe, and high precision measurement of temperature signals in all stages of the manufacturing process is of the essence at AkzoNobel’s polysulfide plant in Taixin…