Hi-Tech Testing has extensive experience in the inspection of black liquor recovery boilers and
possesses several unique technologies designed specifically for this application. By nature boilers are critical
pieces of equipment with several unique failure mechanisms. Hi-Tech's expertise can provide the information
needed to identify problem areas and prevent potential catastrophic failure. The following is a list of services
Hi-Tech commonly provides to our Pulp & Paper clients.
Available Boiler Inspection Services
Ultrasonic Thickness Surveys - Hi-Tech uses its Boilermax© software and
experienced technicians to gather large amounts of thickness data and quickly transform it into a
comprehensive, colorized report designed to detect wear patterens or localized loss in tube wall thickness.
Magnetic Lift-Off (MLO) - For composite tubes, MLO is used to
determine the remaining thickness of the protective layer of Stainless Steel. It is entered
into the Boilermax program via a datalogger or manually to optimize detection
of trouble spots.
Conventional and Computed Radiography
can be used for information purposes such as Stress-Assisted Corrosion Investigation or code compliance for new
installations. Hi-Tech has technicians experienced in the specialized task of performing radiography during a
boilers construction or during plant outages.
Visual Inspection (VT) - Visual examination is often used to detect mechanical damage or wear due
to harsh service conditions experienced by certain boiler types. CWI/QC services can monitor repair or
installation activities to ensure code compliance.
Liquid Penetrant - Liquid Penetrant is often used in the lower furnace of composite
tube boilers as well as other areas, such as superheater ties or membrane welding to provide useful information
regarding the condition of your equipment.
Near Drum Inspection - Hi-Tech utilizes it's Genisys near drum technology
to examine this common trouble area in the generating section of boilers. The software provides rapid display
of the data in several different formats to quickly and accurately determine the severity and location of any
thinning detected in this critical zone. Hi-Tech is commonly sub-contracted by other testing labs to provide
this particular service.
IRIS - Hi-Tech performs IRIS
examinations of tubes where access can be gained to the ID surface of the tubes such as drums or headers. The
IRIS system allows for accurate thickness measurement of generating tubes and other
tubes not normally accessible to the outside surface. Typically the entire length of the tube can be examined
unless extremely sharp bends or dirty surfaces compromise the examination.
Consulting - Hi-Tech has on staff personnel with over twenty-five years in power boiler inspection
experience. Contact us today if you have questions regarding inspection
methods, parameters or capabilities.