Applications

Terephthalic Acid

Dynatrol® provides Bulk Solids Level Detection for terephthalic acid applications in plants where the acid in the powder form is air transported. Dynatrol® Density Systems are used in terephthalic acid applications in siutations where the acid is carried as a slurry.

Bulk Solids Level Measurement

The CL-10DJ series level switches are used for terephthalic acid applications in plants where the acid in the powder form is air transported . The level switch can detect the presence of the acid powder it comes in contact with and then engage a remote alarm or light to indicate that a hopper or other vessel is full or empty.

Our standard level switches are made from 316 stainless steel. For more abrasive or more corrosive service they can be constructed from other materials.

Density Measurement for Liquids & Slurries

The CL-10HY Series Density Cells are used in terephthalic acid applications in plants where the acid is carried as a slurry. The density cells can detect the exact density of the acid/ liquid combination and can be used to either control the dilution of the slurry or alert operations when the proper concentration is reached. The standard density cells are made with 316 stainless steel media contact materials.

For more abrasive or more corrosive service can be made from other materials.

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Sodium Hydroxide – Caustic Soda

The CL10-HY Density Cell in conjunction with the Series 2000 Density Digital Converter can measure the temperature and density of a caustic soda (sodium hydroxide) process stream. The Series 2000 then processes this information.

Once the information is processed the density is calculated at a reference temperature. The specific gravity, baumé and percent concentration are then calculated from the reference temperature and the density at the reference temperature and this information is made available to the operator or process engineer.

The standard Series 2000 has a analog output corresponding to either of these process variables. Optionally, it can be programmed to have two analog outputs that can be calibrated for any two process variables (Temperature, Baume, Specific Gravity, Density, Percent Concentration, °Twaddle).

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Pulp and Paper

Dynatrol® instruments are used for a variety of applications in the Pulp and Paper industry. Measure the Density or percent concentration of alkalies, acids and coatings, determine the Viscosity during the pulping/bleaching process or assess point Level Detection of wood chips in bins. Our Interface level probes can be used to detect the interface between black liquor and soap.

Density Measurement

The Dynatrol® CL10-HY Density Cell and Series 2000 Density Digital Converter are designed for continuous measurement and control of density or percent concentration for alkalies, acids and coatings such as:

  • corn starch
  • potato starch
  • sizings
  • clay coatings
  • and more...

Viscosity Measurement

The Dynatrol® CL10-DV series Viscosity Meter and Series 3000 Viscosity Digital Converter are used to measure the viscosity during the pulping/bleaching process. Dynatrol® Viscosity Meters are being used for the following applications:

  • Alkaline Waste Black Liquor
  • Black Liquor
  • Black Liquor Sludge
  • Black Liquor Soap Interface
  • Cellulose Acetate Dope
  • Cellulose Solutions
  • Green Liquor
  • Low-viscosity Cellulose
  • Pulp Slurry Additives
  • Resins for Tissue Making & First Layer of Paperboard
  • Softwood Sulfite Pulp
  • Terpene Resin

Bulk Solids Level Detection

The Dynatrol® CL-10DJ Level Detector is used for high, intermediate or low level detection of wood chips in chip bins, hoppers, silos, etc.

Interface Level Detection

The Dynatrol® CL-10DJI Level Detector is used for level detection of black liquor and soap.

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Settled Solids in Liquid

The Dynatrol® CL-10DJI Interface Level Detector has the unique ability to detect:

  • a liquid and settled bed of solids
  • a liquid and floating bed of solids
  • the liquid phases of products having significantly different viscosities

Typical applications of The Dynatrol® CL-10DJI Interface Level Detector include WATER/CARBON, WATER/SAND, LIQUID/CATALYST INTERFACES and those that occur in steeping processes.

Used on the following applications:

  • Bead/waterblack
  • Black liquor/soap
  • Brine/salt
  • Carbon/water
  • Clay/water
  • Coal/coal water slurry
  • Corn/water
  • Pellets/water
  • Polymer grade lactic acid/water
  • Resin/water
  • Rice/water interface
  • Salt/water interface
  • Sand/water
  • Shell/water
  • Sodium sulfate crystal/water
  • Water, oil/metal fines

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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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