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WMP-137-1  Using a laser level transmitter to improve plant productivity  ABB Automation & Power World: April 18-21, 2011 ...
WMP-137-1  Using a laser level transmitter to improve plant productivity  © ABB Inc.  May 31, 2011  | Slide
OSB Plant productivity improvement OSB and OSB plant © ABB Inc.  May 31, 2011  | Slide  <ul><li>OSB (Oriented Strand Board...
OSB Plant productivity improvement Plant layout and process operation © ABB Inc.  May 31, 2011  | Slide
OSB Plant productivity improvement Why level measurement is important? © ABB Inc.  May 31, 2011  | Slide  <ul><li>Level me...
OSB Plant productivity improvement Traditional devices used  © ABB Inc.  May 31, 2011  | Slide  100% 75% 50% 25% Rake conv...
OSB Plant productivity improvement  What Is laser? © ABB Inc.  May 31, 2011  | Slide  <ul><li>When compared to a flash lig...
OSB Plant productivity improvement  Laser - basics © ABB Inc.  May 31, 2011  | Slide  Law of reflection – glossy/mirror-li...
OSB Plant productivity improvement  How laser measures distance © ABB Inc.  May 31, 2011  | Slide  <ul><li>TOF – Time of f...
OSB Plant productivity improvement Best practice and solution  © ABB Inc.  May 31, 2011  | Slide  LM200 Laser transmitter ...
OSB Plant productivity improvement Laser level measurement for advanced process control © ABB Inc.  May 31, 2011  | Slide ...
OSB Plant productivity improvement What is the productivity improvement? © ABB Inc.  May 31, 2011  | Slide  <ul><li>Custom...
OSB Plant productivity improvement Our customers © ABB Inc.  May 31, 2011  | Slide  <ul><li>Louisiana Pacific </li></ul><u...
Wet bin, Dry bin applications © ABB Inc.  May 31, 2011  | Slide
OSB Plant © ABB Inc.  May 31, 2011  | Slide
© ABB Group  May 31, 2011  | Slide
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Laser level to improve plant productivity at a wood board manufacturer

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Using a Laser Level Transmitter to Improve Plant Productivity at a Wood Board Manufacturer - by Kevin Hambrice, Global Factory Sales and Marketing Manager - Level, K-TEK, a Member of the ABB Group

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Laser level to improve plant productivity at a wood board manufacturer

  1. 1. WMP-137-1 Using a laser level transmitter to improve plant productivity ABB Automation & Power World: April 18-21, 2011 © ABB Inc. May 31, 2011 | Slide
  2. 2. WMP-137-1 Using a laser level transmitter to improve plant productivity © ABB Inc. May 31, 2011 | Slide
  3. 3. OSB Plant productivity improvement OSB and OSB plant © ABB Inc. May 31, 2011 | Slide <ul><li>OSB (Oriented Strand Board) is a layered, mat-formed panel product made of strands or flakes from small diameter, round wood logs and bonded under heat and pressure. </li></ul><ul><li>OSB manufacturing plants production process is based on horizontal surge bins designed to create surge capacity needed for continuous and reliable production process </li></ul><ul><li>In order to efficiently monitor and control the production process, accurate level measurement is needed </li></ul><ul><li>Due to its nature the measurement must be non-contact, but conventional non-contact technologies face real challenge with this application </li></ul>Wood pile shavings Rake conveyor Bottom belt conveyor
  4. 4. OSB Plant productivity improvement Plant layout and process operation © ABB Inc. May 31, 2011 | Slide
  5. 5. OSB Plant productivity improvement Why level measurement is important? © ABB Inc. May 31, 2011 | Slide <ul><li>Level measurement in wet bin and dry bin is important for maintaining optimal bin surge capacity </li></ul><ul><li>Level measurement in former bins is important for maintaining pile uniformity </li></ul><ul><li>Uniformed pile means uniformed material density across the strand board and this translates to high quality final product </li></ul><ul><li>Optimal bin surge capacity ensures streamlined production process with no disruptions such as bin running empty or max bin level and stopped feeding </li></ul><ul><li>This allows smooth and advanced planned process operation with reduced fuel usage </li></ul><ul><li>As a result, well controlled production process leads to increased production and higher final product quality </li></ul><ul><li>The entire OSB plant throughput relies on continuous and accurate level measurement </li></ul>
  6. 6. OSB Plant productivity improvement Traditional devices used © ABB Inc. May 31, 2011 | Slide 100% 75% 50% 25% Rake conveyor Bottom belt conveyor Wood pile shavings Photoelectric sensors <ul><li>Monitors the process in 25% steps </li></ul><ul><li>Does not provide continuous measurement </li></ul><ul><li>No possibilities for tight process control </li></ul><ul><li>As a result, the silos can run out of material or get filled to maximum and disrupt the process </li></ul><ul><li>Requires constant operators attention </li></ul><ul><li>Requires frequent cleaning and routine maintenance </li></ul><ul><li>Requires frequent alignment </li></ul>Principle of operation
  7. 7. OSB Plant productivity improvement What Is laser? © ABB Inc. May 31, 2011 | Slide <ul><li>When compared to a flash light, the laser light is: </li></ul><ul><li>monochromatic </li></ul><ul><li>coherent </li></ul><ul><li>That is why the laser can produce light, which is: </li></ul><ul><li>concentrated </li></ul><ul><li>powerful </li></ul>
  8. 8. OSB Plant productivity improvement Laser - basics © ABB Inc. May 31, 2011 | Slide Law of reflection – glossy/mirror-like surface Defuse reflection – Rough surface
  9. 9. OSB Plant productivity improvement How laser measures distance © ABB Inc. May 31, 2011 | Slide <ul><li>TOF – Time of flight distance measurement </li></ul><ul><li>Measures any solids surface at any angle with very narrow beam </li></ul><ul><li>905nm wavelength semiconductor laser </li></ul><ul><li>Beam divergence <0.2 ⁰ </li></ul>
  10. 10. OSB Plant productivity improvement Best practice and solution © ABB Inc. May 31, 2011 | Slide LM200 Laser transmitter LM80 Laser transmitter <ul><li>Long Range to 115ft/35m on any natural target </li></ul><ul><li>Built-in laser pointer for easy aiming </li></ul><ul><li>Rugged industrial enclosure </li></ul><ul><li>4/20ma output, 2 Relays </li></ul><ul><ul><ul><li>Long Range to 200 ft/ 60m </li></ul></ul></ul><ul><ul><ul><li>High Performance long range optic </li></ul></ul></ul><ul><ul><ul><li>Built - in visible pointer standard </li></ul></ul></ul><ul><ul><ul><li>110/240VAC and 24VDC power supply accepted </li></ul></ul></ul><ul><ul><ul><li>4/20ma output, 2 Relays </li></ul></ul></ul>
  11. 11. OSB Plant productivity improvement Laser level measurement for advanced process control © ABB Inc. May 31, 2011 | Slide <ul><li>Continuous level measurement </li></ul><ul><li>0.4” accuracy, 3 readings/sec update rate </li></ul><ul><li>Laser technology allows process to be monitored and kept under tight control </li></ul><ul><li>Therefore optimum surge capacity in the bins can be maintained </li></ul><ul><li>This leads to efficient and streamlined process </li></ul><ul><li>Result is higher productivity and better quality </li></ul>Rake conveyor Bottom belt conveyor Laser transmitter Wood pile shavings
  12. 12. OSB Plant productivity improvement What is the productivity improvement? © ABB Inc. May 31, 2011 | Slide <ul><li>Customer benefits after implementing the laser transmitters as level measurement solution in wet, dry and former bin: </li></ul><ul><li>Streamlined and uninterrupted production process </li></ul><ul><li>Continuously maintained bin surge capacity to optimum level </li></ul><ul><li>15% to 18% increased productivity </li></ul><ul><li>Reduced with 15% fuel usage and therefore cost </li></ul><ul><li>Consistently maintained material density in the final former bins </li></ul><ul><li>High quality, consistently manufactured product </li></ul>
  13. 13. OSB Plant productivity improvement Our customers © ABB Inc. May 31, 2011 | Slide <ul><li>Louisiana Pacific </li></ul><ul><li>Weyerhaeuser </li></ul><ul><li>Georgia Pacific </li></ul><ul><li>Ainsworth Lumber </li></ul><ul><li>Norbord </li></ul><ul><li>JM Huber </li></ul>
  14. 14. Wet bin, Dry bin applications © ABB Inc. May 31, 2011 | Slide
  15. 15. OSB Plant © ABB Inc. May 31, 2011 | Slide
  16. 16. © ABB Group May 31, 2011 | Slide

Using a Laser Level Transmitter to Improve Plant Productivity at a Wood Board Manufacturer - by Kevin Hambrice, Global Factory Sales and Marketing Manager - Level, K-TEK, a Member of the ABB Group

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