Drying Cylinder
Drying Cylinder

Application Introduction

To eliminate any remaining moisture in the paper web, the paper machine's drying section uses rollers heated by steam. The inner cylinder surface develops a condensate coating as the steam loses heat, which affects the heat transfer to the paper. Continuous siphoning is required to remove this condensate. Pressure measurements at the cylinder inlet and outlet monitor the appropriate heat transfer level to the paper.

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Application challenges

1. Instrumentation that can withstand temperatures of ≥100°C is necessary for drying drums.
2. Humidity variations might create condensation, leading to measurement inaccuracies.
3. Drying stability requires pressure sensors that respond quickly and accurately to frequent pressure changes.
4. Precise steam/hot air flow regulation is required for optimal drying and energy efficiency.

Solution advantages

1. High-temperature resistant materials and design to ensure the accuracy of measurement.
2. Moisture-proof and anti-condensation structure, high protection grade housing, can work normally in high humidity environment.
3. Advanced flow measurement technology to ensure the accuracy of flow control.

Paper and Pulp Instrumentation for Special Applications
Pressure Measurement
  • Smart Gauge/Absolute Pressure Transmitter

    Smart Gauge/Absolute Pressure Transmitter

    Smart Gauge/Absolute Pressure Transmitter

    MDM7000-GP Accuracy:±0.075%FS、±0.1%FS、±0.2%FS MDM7000-AP Accuracy:±0.1%FS、±0.2%FS MDM7000-GP Range:0.4bar ~400bar MDM7000-AP Range:0.4bar~100bar Long-term stability:±0.1%SPAN/5years Maximum turndown ratio:100:1
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Temperature Measurement
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Baoji, 721006,Shaanxi,P.R.China

German Subsidiary
Micro Sensor GmbH
Girardetstr. 6, D-45131 Essen, Germany

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