Process Particle Counter (PPC)

Real-Time Particle Size and Concentration Measurement

The Process Metrix PPC (Process Particle Counter) is designed to provide in-situ measurements of airborne particles for low concentration industrial gas/particle flow systems. This sensor is capable of providing particle concentration, size distribution, and velocity information in hostile environments.

Process Particle Counter

The Process Metrix PPC (Process Particle Counter) is designed to provide in-situ measurements of airborne particles for low concentration (< 5 gm/m3) industrial gas/particle flow systems. This sensor is capable of providing particle concentration, size distribution, and velocity information in hostile environments. PPC can (when enclosed in a water-jacketed probe) measure in gas temperatures up to 1400°C or high pressures (up to 100 Bar) in extractive mode. Measurements at combined high temperature and pressure (400°C and 20 Bar) have also been achieved.

Industry Applications:

  • Gas Turbines
  • Turbo-expanders
  • Filtration Efficiency measurements
  • Stack and Duct monitoring (CEMs)

Industries:

  • Petroleum refineries
  • Gas Turbines
  • Gas Distribution Systems
  • Cement, Steel
  • Foundry
  • Aluminum
  • Boilers
  • Powder Production/collection
  • Pulp and Paper
  • Powder milling and Processing
  • Laboratory and Field Research
  • Filter Testing, and more

Particle Size and Concentration Measurements for Real-Time Process Applications

The graph below shows recent time history measurements of a power boiler baghouse performance, showing concentration, mean size, and velocity as a function of time. Note that the peak particle concentration increases by a factor of 10 during the periodic backflush to remove the dustcake. The mean particle size also increases indicating a period where filtration is poor. This information will allow the user to optimize bag-pulse timing to maximize filtration, bag lifetime, and other process parameters that impact total cost of operations.


Figure 1. Particle size and concentration measurements made with a PPC instrument in a bag house. Periodic increases in concentration and size due to bag house "pulsing" needed to remove particulate duskcake.

For more information regarding the PPC System contact:

Donald Holve, Ph.D
dholve@processmetrix.com
voice: (925) 460-0385 x116