Measuring density and level in resid hydrocrackers - Berthold Technologies GmbH & Co.KG

Measuring level and density at different elevations

To achieve optimal control of the cracking taking place inside the reactor, the level of hydrocarbons, catalyst and gas is monitored by means of multiple density measurements spread along the height of the reactor. The radiometric density gauges from Berthold respond quickly and differentiate even the smallest density changes, down to a resolution of ≤0.002 g/cm³.

Customer benefits

Maximum process transparency
Reliable control over the cracking/separation processes
Increased throughput and operational availability
Efficient utilization of catalyst using advance process controls

Technical Features

Multiple point sources inserted in dip pipe on individual cables
Highly accurate density reading, resolution of ≤0.002 g/cm³
Quick-responding measurement
Optional SIL 2 / SIL 3 certified

SIL certified detectors available

The SENSseries LB 480 detectors offer versions that are certified for use in SIL2 applications. SIL3 is achieved by adding an identical redundant SIL2 detector using the same source for homogenous redundancy. The certificate covers all measurement applications, from high level or low level alarms to continuous level and density. Thus the safe monitoring of critical processes is guaranteed.

More about SIL

EmulsionSENS

The Multiphase Level Measurement

For the measurement of three or more different product phases or where no clear interface is formed, our multiphase level measurement EmulsionSENS is used. Here, a density profile of the vessel contents is created and, depending on the measuring arrangement, the position of the individual phases is additionally determined.

EmulsionSENS

FURTHER APPLICATIONS

Various thick walled vapor/liquid separators, catalyst handing vessels, various towers, and inline densities at high temperature and high pressure.
Radiometric level and density measurements are used in the separation section of the hydrocracker to ensure that proper vapor/liquid separation occurs as the pressure and temperature is lowered throughout the various separators. Radiometric measurements are also used in the catalyst section of the hydrocracker to ensure the proper amount of catalyst is added or withdrawn from the reaction system to maintain effective cracking.