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Wood Moisture Applications

MoistTech has the most advanced online sensor for the non-contact measurement of moisture in wood products such as fiber, sawdust, hog, fuel, wood, flakes and wood particles.

Online instant measurement and control produces significant advantages to the forest products industry. Benefits such as. . .

  • Reduced energy usage
  • High quality Product through instant accurate moisture control
  • Reduction in fire and explosion risk
  • Plant production efficiency monitoring
  • Prevention of board press explosions
  • Dryer control
  • Blending monitoring for control of moisture and resin
  • Increased productivity
  • Lowest cost most advanced sensing
  • Highest performance operation
  • Reduce downtime
  • Low cost sensing with minimal maintenance
MoistTech online and at line moisture instrumentation for the forest product industries, such as:

Dryer Measurement:
Incoming wood moisture measurement together with feed rate can prevent overloading the dryer. Measurement of material at the exit ensures that material going to the blender if at the optimum moisture content for resin addition. Moisture measurement at the exit of the dryer can save significant amount of fuel while more importantly prevent fires or explosion risk. Trend analysis that is incorporated into each sensor can be used to give operator knowledge of problems before they happen. MoistTech's advanced sensor is the only sensor that has all these features.

Blending:
Product input to the blender is critical to the plant operation. Correct wood moisture content will allow for precise blending addition that in turn will reduce waste and provide significant cost savings. Many plants report savings alone pay for the cost of moisture / resin control within weeks of installation. At the exit of the blender the process can be refined to confirm the correct resin addition thus preventing press explosions from high moisture in the forming process. Blown boards can be eliminated and precise moisture/resin control will ensure excellent board properties. Trend analysis that is incorporated into the software in each sensor will allow the operator to prevent problems before they cause production interruptions

Raw Material and Hog Fuel:
Incoming raw material can be monitored to within 0.5%. Which allows the dryer personnel to prevent major process changes resulting in interruptions. Dryer infeed can be controlled thus allowing the output to maintain precise moisture levels to within 0.1% accuracy. On hog fuel applications the material can be blended for a more efficient combustion. Again significant fuel cost saving can be the result of installing MoistTech's IR 3000 continuous non contact moisture sensor.

Installation Calibration:
MoistTech IR-3000 has been used extensively within the forest products industry. Installation is quick and simple and only needs the wood moisture sensor to be mounted a few inches above the product or where needed an optical window or sampling system can be used [**** See details on Optical Window or Sample system ****]. Standard power requirements and all outputs are incorporated. The sensor provides extensive data through Ethernet connection or if required has several 4-20 ma outputs together ever other common output. Operator interface and digital displays can also be provided.
Application Performance Specifications‡
Location Max. Range Typical Range Accuracy
Dryer input
Dryer output
Blender input
Blender output
Hog fuel
Sawdust
00.0% - 80.0%
00.0% - 40.0%
n/a
n/a
00.0% - 85.0%
00.0% - 50.0%
10.0% - 60.0%
00.0% - 10.0%
02.0% - 08.0%
05.0% - 15.0%
10.0% - 50.0%
10.0% - 40.0%
+/- 00.50%
+/- 00.10%
+/- 00.10%
+/- 00.10%
+/- 00.50%
+/- 00.25%

MoistTech's product data base allows us to pre- calibrate the wood moisture sensor. With known product moisture samples each instrument can be calibrated within a few minutes prior to shipment. Field installation then becomes even simpler. The IR-3000 stores calibrations that can be transferred to other instruments on similar process applications. Each IR-3000 sensor is identical, which then allows calibration settings to be used on all instruments on the same application ranges.



‡ The above specifications are subject to specific applications. More detail information can be obtained by contacting the MoistTech's applications division.