Energy Project Slideshow


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This is an energy conservation project exploring whether wood gasification boilers are a wise alternative to alternate fuel sources.

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Energy Project Slideshow

  1. 1. Energy Conservation Project: Gasification Boilers vs. Barrel Stoves
  2. 2. The Question : <ul><li>Is there a source of wood heat that is: </li></ul><ul><li>a) non-allergenic </li></ul><ul><li>b) clean for the atmosphere </li></ul><ul><li>c) capable of heating domestic water? </li></ul>
  3. 3. Methodology <ul><li>How much do I spend on heat? </li></ul><ul><ul><li>How many cords do I use in a year? </li></ul></ul><ul><ul><li>How long does it take me to stack a cord? </li></ul></ul><ul><ul><ul><li>How would this time compute in dollars and cents? </li></ul></ul></ul><ul><ul><li>How much do I spend on the 2 electrical heaters? </li></ul></ul><ul><li>How much do I spend on propane water heating in a year? </li></ul><ul><li>How do these expenses compare with what a gasification boiler’s needs? </li></ul>
  4. 4. Data Collection <ul><li>Timeline: weekly/monthly/yearly usage </li></ul><ul><li>Firewood Data </li></ul><ul><ul><li>Estimates from Regal Sawmill </li></ul></ul><ul><li>Propane Heating Data </li></ul><ul><ul><li>Consulting the checkbook </li></ul></ul><ul><li>Electrical Heating Data </li></ul><ul><ul><li>Consulting Copper Valley Electric </li></ul></ul><ul><li>Gasification Boiler Data </li></ul><ul><ul><li>Estimates from various websites </li></ul></ul><ul><ul><li>Consulting neighbors </li></ul></ul>
  5. 5. Analysis of Data <ul><li>Microsoft Works spreadsheet analysis used to calculate data </li></ul><ul><ul><li>Quantity of usage x cost = sub total </li></ul></ul><ul><ul><li>Sub totals added together = total </li></ul></ul><ul><ul><li>Cords: Yearly usage/12/4 </li></ul></ul><ul><ul><li>Stacking: Hourly cost*cords per year </li></ul></ul><ul><ul><li>Propane Heater: Yearly usage/12/4 </li></ul></ul><ul><ul><li>Electrical Heaters: Hourly usage*5 months*kWh </li></ul></ul><ul><li>3 Time Periods: weekly, monthly, yearly </li></ul>
  6. 6. What is GASIFICATION ? <ul><li>A thermal process that takes dry, solid fuels (like wood) and converts them into the most basic elements. As those basic elements come back together, they form a gaseous fuel called “syngas” or “producer gas.” </li></ul>Online Resource! Experimental technology! Electricity from wood gas!
  7. 7. Gasification Process Simplified <ul><li>2: Upper boiler door is closed. Draft fan begins drawing in fresh air. </li></ul><ul><li>3: Fresh air is forced downwards through the logs and coals intensifying the initial combustion. </li></ul><ul><li>4: Additional super-heated air is forced downwards into the the lower chamber producing intense heat and nearly complete combustion. </li></ul><ul><li>5: Remaining gases pass through the back of the lower chamber and up through the turbulators for final heat transfer and exhaust. </li></ul>Source:
  8. 8. Gasification Step #1 <ul><li>The PYROLYSIS (or devolitilization) process is the thermal decomposition of biomass fuels in the absence of oxygen. Pyrolysis involves release of three kinds of products: solid (char), liquid (oil) and gases. The ratio of products is influenced by the chemical composition of biomass fuels and the operating conditions. The heating value of gas produced during the pyrolysis process is low (3.5 - 8.9 MJ/m 3 ). </li></ul>
  9. 9. Gasification Step #2 <ul><li>The COMBUSTION process occurs as the volatile products and some of the char reacts with oxygen to form carbon dioxide and carbon monoxide, which provides heat for the subsequent gasification reactions. Pyrolysis and combustion are very rapid processes. </li></ul><ul><li>Watch the combustion chamber video! </li></ul><ul><li> </li></ul>
  10. 10. Gasification Step #3 <ul><li>The GASIFICATION process occurs as the char reacts with carbon dioxide and steam to produce carbon monoxide and hydrogen (called syngas or producer gas, or wood gas when fueled by wood). </li></ul>
  11. 11. Why Choose Gasification Boilers? *Based on a 5 month usage according to: Alternate Heating Weekly Monthly Yearly Cords (22) 84.79 339.17 4070 Stacking 7.33 29.33 352 Pr. Heater 13.96 55.83 670 El. Heaters* 28.99 115.97 579.84 TOTALS $135.08 $540.30 $5671.84 Gasification Boiler Cost Weekly Monthly Yearly Cords (7.5) 28.90 115.63 1387.50 Electrical Fan 13.44 53.76 645.12 TOTALS $42.35 $169.39 $2032.62
  12. 12. Gasification Pros vs. Cons <ul><li>Initial Cost = </li></ul><ul><ul><li>Purchase Price: </li></ul></ul><ul><ul><ul><li>E 250 = $13,895 </li></ul></ul></ul><ul><ul><ul><li>E 500 = $21,500 </li></ul></ul></ul><ul><ul><li>Shipping </li></ul></ul><ul><ul><li>Installation </li></ul></ul><ul><li>Fan uses electricity </li></ul><ul><li>No automatic feed systems for smaller scale boilers </li></ul><ul><li>More regular boiler cleaning required than is necessary for barrel stoves </li></ul><ul><li>Non allergenic! </li></ul><ul><li>No emissions! </li></ul><ul><li>Includes domestic hot water coil! </li></ul><ul><li>Burns 1/3 the wood of barrel stoves! </li></ul><ul><li>Burns wood, pellets, or sawdust! </li></ul><ul><li>Your choice of backup oil or coal heating! </li></ul><ul><li>No computer chip integration! </li></ul><ul><li>Easy boiler cleaning! </li></ul><ul><li>Thermostat settings = housesitting unnecessary! </li></ul><ul><li>Minimizes house cleaning! </li></ul>Pro Con
  13. 13. Gasification Boiler Diagram
  14. 14. Quick Capsulation! <ul><li>Happy Environment! </li></ul><ul><ul><li>No harmful greenhouse gas emissions! </li></ul></ul><ul><ul><li>Virtually no exhaust gases! </li></ul></ul><ul><ul><li>Uses 1/3 less wood! </li></ul></ul><ul><li>Non-Allergenic! </li></ul><ul><ul><li>Smoke eliminated! </li></ul></ul><ul><ul><li>Creosote formation prevented! </li></ul></ul><ul><li>Abundant Hot Water! </li></ul><ul><ul><li>Automatic cycling on/off! </li></ul></ul><ul><ul><li>140-210 gallon capacity! </li></ul></ul>
  15. 15. Questions for Further Study <ul><li>What effect would salt water have on the domestic water coil and pipes? </li></ul><ul><li>Is there an oxidation preventative for the heating pipes? </li></ul>
  16. 16. Credits <ul><li>Slide 2: Image - </li></ul><ul><li>Slide 3: Graphic - </li></ul><ul><li>Slide 4: Image – Regal Sawmill (taken myself) </li></ul><ul><li>Slide 5: Graphic - </li></ul><ul><li>Slide 6: Graphic - </li></ul><ul><ul><ul><ul><li>Quote - </li></ul></ul></ul></ul><ul><li>Slide 7: Graphic & Quote - </li></ul><ul><li>Slide 8: Graphic/Quote - ... </li></ul><ul><li>Slide 9: Graphic - </li></ul><ul><ul><ul><ul><li>Quote - </li></ul></ul></ul></ul><ul><li>Slide 10: Graphic - ... </li></ul><ul><ul><ul><li> Quote - </li></ul></ul></ul><ul><li>Slide 11: Graphic - </li></ul><ul><li>Slide 12: Nothing </li></ul><ul><li>Slide 13: Diagram - </li></ul><ul><li>Slide 14: Graphic - </li></ul><ul><li>Slide 15: Graphic - </li></ul><ul><li>Slide 16: Graphic - </li></ul>