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BOILER TRAINING Mr. Customer – Site specific

A and W TECHNOLOGIES. BOILER TRAINING Mr. Customer – Site specific. Plant Cost Factors per 1000 lbs. Steam. Fuel 74.9%. Labor 10.0%. Equip Deprec 9.8%. Chemicals 0.5%. Water 0.8%. Electricity 2.5%. Sewer 1.5%. Firetube Boiler. Water rises near the tubes and falls

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BOILER TRAINING Mr. Customer – Site specific

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  1. A and W TECHNOLOGIES BOILER TRAINING Mr. Customer – Site specific

  2. Plant Cost Factorsper 1000 lbs. Steam Fuel 74.9% Labor 10.0% Equip Deprec 9.8% Chemicals 0.5% Water 0.8% Electricity 2.5% Sewer 1.5%

  3. Firetube Boiler Water rises near the tubes and falls along boiler walls Heat

  4. WATER TUBE BOILER Steam Steam Drum Risers Risers FIRE BOX Downcomers Mud Drum

  5. Water and its Impurities • pH 8.0 • M Alkalinity 100 ppm • Chlorides 12 ppm • Calcium 75 ppm • Magnesium 30 ppm • Total Hardness 105 ppm • Phosphate .1 ppm • Silica 5 ppm • Iron .05 ppm • Conductivity 230 mmhos H O 2

  6. Typical Boiler System Condensate Returned Condensate Lost Deaerator Process FW pump Steam : Boiler Softeners Blowdown Makeup

  7. Softeners (Sodium Zeolite) Deaerator FW pump : Softeners Makeup

  8. Softener Service Cycle Hard 105 ppm hardness Soft 0 ppm hardness

  9. How It Works? Water Drop Resin Bead Ca+ Mg+ Ca+ Na+ Mg+ Na+ Na+ Na+ Na+ Na+ Na+ Resin Bead Water Drop

  10. Softener Backwash Cycle

  11. Softener Brining Cycle salt solution

  12. Softener Slow Rinse Cycle

  13. Softener Fast Rinse Cycle

  14. Softener Service Cycle Hard Soft

  15. Deaeration Deaerator FW pump : Softeners Makeup

  16. Deaeration DEAERATING SECTION STORAGE SECTION 5psig 222 F

  17. Deaeration TRAYS STORAGE SECTION 5psig 222 F

  18. Deaeration Steam Inlet STORAGE SECTION 5psig 222 F

  19. Deaeration Condensate Return Soft Makeup Steam STORAGE SECTION 5psig 222 F

  20. Deaeration Vent Condensate Return Soft Makeup Steam STORAGE SECTION 5psig 222 F To Feed Water Pumps

  21. Solubility of Oxygen in Water 20 18 16 14 10 psi 232 F = 0-5 ppb 12 ppm Oxygen 10 5 psi 222 F = 0-10 ppb 8 0 psi 185 F = 3 ppm 6 4 2 ppb range 40 60 80 100 120 140 160 180 200 220 240 Temperature *F

  22. Typical Chemical Feed Points Deaerator Steam Boiler Sulfite Feed CONT.

  23. Typical Chemical Feed Points Deaerator sample point Feedwater Steam Boiler Trt. fed by FW pumps on Boiler Sample Point Boiler water

  24. Typical Chemical Feed Points Sample Point Deaerator Steam Boiler Condensate Feed Point Alternative

  25. A and W TECHNOLOGIES Chemical Feed Hands free & Bulk AWB Deaerator AWB Liquid Sulfite Softeners To steam header AWB AWB AWB AWB Amine Internal Treatment Alkalinity Bulk containers with product directly injected as noted.

  26. TESTING - SOFTENER Deaerator • SOFTENER TESTING • Hardness 0-1 ppm Sample Point Softener : Softeners Makeup

  27. TESTING - FEEDWATER Deaerator sample point Feedwater • FEEDWATER TESTING • Hardness 0-1 ppm

  28. TESTING - BOILER WATER • BOILER TESTING • Conductivity 4500 max • Neutralized 2000-3000 • Alkalinity 600-900 • Sulfite 30-50 Sample Point Boiler water

  29. TESTING - CONDENSATE Sample Point Deaerator • TESTING • pH 6.5 – 7.2 • Conductivity Record • Hardness 0 • Alkalinity 0

  30. Boiler Blowdown Surface Blowdown Bottom

  31. Boiler Blowdown Needle Valve Surface

  32. Boiler Blowdown Auto Blowdown Surface

  33. A and W TECHNOLOGIES Steam System A and W Blowdown Controller Timed Sample Method A and W Controller Sampling electrode Full ported gate valve Throttling needle valve cross 110 VAC Max. 4’ Max 3’ Flush valve Motorized ball valve. Mount horizontally away from heat, as near to floor as possible. To drain or cascade to other boiler.

  34. A and W TECHNOLOGIES Save some money and keep the boiler hot Boiler System A and W Cascading Blowdown Flashed steam On Line Boiler Boiler in Hot Wet Storage Open Open Blowdown Flash Tank Closed Check Valve Closed Open Closed Boiler Bottom Blowdown Boiler Bottom Blowdown Drain Cascading blowdownfrom an operating boiler is used to keep the idle boiler filled with treated water and hot ready to bring on line. Insure idle boiler vent is open to completely fill boiler then close vent and allow blowdown to exit through the surface blowdown to the blowdown flash tank.

  35. A and W TECHNOLOGIES Thank you for your business

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