Applications

Oleum

The Dynatrol® CL10-HY Density Cell and Series 2000 Density Digital Converter can be used to measure oleum (fuming sulfuric acid).

The oleum application software is designed to use the temperature and density information that comes from the CL-10HY cell to calculate product density at a reference temperature, specific gravity and percent free SO3 concentration or the output can be expressed as a sulfuric acid concentration.

Automation Products, Inc. uses the same reference tables used by oleum manufacturers to cross check results generated by our oleum correction software.The CL-10HY and Series 2000 combination have been used to measure oleum for chemical applications and acid mixing.

Our Dynatrol® density cells can be supplied with tantalum media contact parts as well as carpenter 20, stainless steel and other alloys that can be chosen for your specific application.

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Ammonium Hydroxide

Dynatrol® Density Measurement Systems are used extensively for measurement and control of density, specific gravity, or percent concentration with Ammonia solution, also known as ammonium hydroxide, ammonia water, ammonical liquor, ammonia liquor, aqua ammonia, aqueous ammonia, or simply ammonia.

  • Eliminate multiple hand sampling when mixing
  • Real time percent concentration measurements of ammonium hydroxide with no effects from pressure changes or pipe vibration
  • Virtually no maintenance costs

Automation Products, Inc. was approached by a chemical company to devise a solution for online measurement of an ammonia solution. The process is describer below.

Issue

The chemical company needed online measurements while mixing anhydrous ammonia with water. Their pressurized ammonia was bubbled into a mixing tank with ultra pure water, and a sample stream was constantly pumped from the bottom of the tank to give a real time reading of percent concentration for aqueous ammonia.

Resolution

The chemical company chose a Dynatrol® Density System to solve their problem. The Dynatrol® Density Meter has the Temperature vs. Density vs. Percent concentration curves programmed into the Series 2000 Digital Density Converter. The density meter provides 4-20 mA signals to the chemical company’s control room for percent concentration and temperature of the ammonia and water solution. Since the Dynatrol® Density Meter outputs percent concentration, there was no need to program a complicated set of algorithms into the DCS control system to calculate percent concentration from density.

After months of comparing hand sample measurements to the measurements of the Dynatrol® Density Meter, the company found that the Dynatrol® Density Meter correlated directly to the hand measurements. The company now uses the Dynatrol® Density System in the control of the mixing process. This eliminates the bi-hourly hand sampling that technicians would have to perform.

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Chemical

The Dynatrol® Density Systems and Viscosity Systems have been used successfully for many years to measure, test and control numerous chemical applications. Each process instrument is of rugged construction and available in various corrosion resistant materials.

Viscosity Measurement

Dynatrol® CL-10DV Viscosity Detector with Series 3000 Viscosity Digital Converter utilizes a unique vibratory principle to provide continuous measurement at on-line process conditions. This eliminates the need for sampling and provides exceptional accuracy. Dynatrol® Viscosity Systems provide fast, precise viscosity measurement for use on a wide variety of petrochemical industry applications including:

  • Acetate Dope
  • Acetone Based Emulsion
  • Ammonium Diuranate
  • Conformal Coatings for PC Boards
  • Ethanol, Stillage
  • Filled Asphalt
  • Methyl Chloroform
  • Polymers
  • Polypropylene
  • Polystyrene
  • Polyvinyl Alcohol
  • and many more

Density Measurement

The Dynatrol® CL10-HY Density Cell and Series 2000 Density Digital Converter are designed for the measurement of density in familiar units such as specific gravity, API gravity, as well as being able to measure the percent solids or percent concentration of a liquid or slurry. Dynatrol® Density Systems achieve exceptional accuracy over a wide range of process changes in ambient temperature, pressure, viscosity or flow:

  • Ammonium Hydroxide
  • Caustic Soda
  • Ethylene Glycol
  • Hydrochloric Acid
  • Methanol
  • Nitric Acid
  • Oleum
  • Phosphoric Acid
  • Sodium Chloride
  • Sodium Hydroxide
  • Sulfuric Acid
  • and many more

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Paint and Coatings

The Dynatrol® Viscosity Systems are used for the measurement or testing of liquid viscosity of paint, coatings, ink and many other industrial coating applications. Dynatrol® Density Systems, Bulk Solids Level Detectors and Liquid Level Detectors also have applications within the paints and coatings industry.

Viscosity & Density Measurement

Dynatrol® Viscosity Systems are used for measurement, testing and control of viscosity. The Dynatrol® Density Systems are designed for continuous measurement and control of density or percent concentration. Both are used in the following industrial applications:

  • Acetone Based Emulsions
  • Adhesive Rubber Coatings
  • Asphalt Coatings and Filled Asphalt
  • Automotive Paints
  • Conformal Coatings for Printed Circuit Boards
  • Epoxy Resins
  • Glues
  • Inks
  • Latex
  • Metal Coatings
  • Nitrile Latex
  • Sizing and Starch Coatings for Paper and Paperboard
  • Thermal Cure Coatings
  • Urethane Resins
  • Varnishes and Wood Furniture Finishes
  • and more...

Bulk Solids Level Detectors

The Dynatrol® Series of Bulk Solids Level Detectors are used for high, mid and low point level detection for powder coating materials and broad range of dry bulk solids.

Liquid Level Detectors

The Dynatrol® Series of Liquid Level Detectors are used for high, mid and low point level detection for liquids or slurries.

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Plastics

Dynatrol® Level Switches are often used for level detection in storage bins or hoppers in the Plastics Industry. Dynatrol® Viscosity Measurement Systems accurately measures various media at process conditions.

The Dynatrol® DJ series of Level Detectors are used to measure high, intermediate, or low level detection of plastic pellets. Bulk solids level measurement is easily obtained in storage bins or hoppers for powders, granules, regrind material, etc.

Viscosity Measurement

The Dynatrol® Viscosity System includes the Series CL10-DV Viscosity Probe and Viscosity Digital Converter Series 3000 which accurately measure viscosity in vessels, reactors or process piping. Excellent applications for the Plastics Industry include:

  • Resins molten polymer
  • Polyol
  • Polyethylene
  • Polyester
  • and more...

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