Description

Level measurement in ammonium nitrate reservoir

Requirements

  • Measuring distances up to 60 m
  • Aggressive solution, but resistant probes

Description

Level measurement in reservoir for urea solution

Requirements

  • Measuring distances up to 100 m
  • Contact free

Description

Flow measurement of the mixed-dose urea solutions

Requirements

  • No crosstalk: resistant to installation and process effects
  • Density and concentration measurement of liquids

Description

Flow measurement of the mixed-dose ammonium nitrate solutions

Requirements

  • No crosstalk: resistant to installation and process effects
  • Density and concentration measurement of liquids

Description

DP measurement over heat exchanger

Requirements

  • Monitoring of heat exchange fouling

Description

Flow measurement of mixture circulation

Requirements

  • Very high accuracy (±0.05% flat)
  • High temperature capability

Description

Flow measurement of coolant supply

Requirements

  • Robust devices for harsh process conditions
  • Certified for Safety Instrumented Systems (SIS)

Description

Temperature measurement in mixture circulation

Requirements

  • Reliable command variable for Smart Meter Valve
  • Tapered Tip for fast reaction

Description

Flow measurement of produced fertiliser end product after degasification

Requirements

  • Virtually no pressure loss
  • Large dynamic range

Description

Integrated control valve with flow, pressure and temperature measurement of cooling water

Requirements

  • No connection to a DCS necessary
  • Built-in redundancy for maximum system availability

Overview

Blending nitrogen fertilisers in fertiliser production

Optimisied Blending Efficiency through Real-time Process Monitoring and Adjustment

Each application relies on the optimal properties of the mixed fertiliser. These can be achieved by adjusting the optimal mix ratio of the urea and ammonium nitrate components in the blending process. When blending the fertiliser mixtures, the process control is important for adding exact quantities and monitoring temperature.

KROHNE measuring equipment, which acts for example as reliable actual value transmitters for electronic mixed control in the blending process, guarantees high process reliability and product quality. The range of devices includes for example radar level meters for non-contact, precise measurements in harsh environments or in processes with quickly changing levels. Coriolis mass flowmeters for complex process applications cause only minimal pressure losses. And the high-precision vortex measuring equipment for coolant supply combines flow measurement, temperature and pressure measurement in a single device. This reduces installation costs by up to 45% and results in much higher accuracy across the whole system. Ultrasonic flowmeters with three acoustic paths are also able to detect changes in the process and dirt in the liquid. They provide high accuracy, even in unfavourable flow conditions.

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