Presentation is loading. Please wait.

Presentation is loading. Please wait.

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

Similar presentations


Presentation on theme: "BOILER TRAINING Mr. Customer – Site specific A and W TECHNOLOGIES."— Presentation transcript:

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

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

3

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

5

6

7 WATER TUBE BOILER FIRE BOX Downcomers Risers Steam Drum Mud Drum Steam

8

9 Water and its Impurities pH8.0 M Alkalinity100 ppm Chlorides12 ppm Calcium75 ppm Magnesium30 ppm Total Hardness105 ppm Phosphate.1 ppm Silica5 ppm Iron.05 ppm Conductivity230 mmhos H O 2

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

11 : Softeners (Sodium Zeolite) Deaerator FW pump Softeners Makeup

12 Softener Service Cycle Hard Soft 105 ppm hardness 0 ppm hardness

13 How It Works? Na+ Ca+ Mg+ Na+ Ca+ Mg+ Resin Bead Water DropResin Bead Water Drop

14 Softener Backwash Cycle

15 Softener Brining Cycle salt solution

16

17 Softener Slow Rinse Cycle

18 Softener Fast Rinse Cycle

19 Softener Service Cycle Hard Soft

20 : Deaeration Deaerator FW pump Softeners Makeup

21

22 Deaeration STORAGE SECTION 5psig 222 F DEAERATING SECTION

23 Deaeration STORAGE SECTION 5psig 222 F TRAYS

24 Deaeration STORAGE SECTION Steam Inlet 5psig 222 F

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

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

27 Solubility of Oxygen in Water Temperature *F ppm Oxygen 10 psi 232 F = 0-5 ppb 5 psi 222 F = 0-10 ppb 0 psi 185 F = 3 ppm ppb range

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

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

30 Boiler Steam Typical Chemical Feed Points Deaerator Condensate Feed Point Alternative Sample Point

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

32

33 : TESTING - SOFTENER Deaerator Softeners Makeup Sample Point Softener SOFTENER TESTING Hardness 0-1 ppm

34 TESTING - FEEDWATER Deaerator sample point Feedwater FEEDWATER TESTING Hardness 0-1 ppm

35 TESTING - BOILER WATER Sample Point Boiler water BOILER TESTING Conductivity 4500 max Neutralized Alkalinity Sulfite 30-50

36

37

38 TESTING - CONDENSATE Deaerator Sample Point TESTING pH6.5 – 7.2 ConductivityRecord Hardness0 Alkalinity0

39 Blowdown Boiler Blowdown Bottom Surface

40 Boiler Blowdown Surface Needle Valve

41 Boiler Blowdown Surface Auto Blowdown

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

43 Save some money and keep the boiler hot Boiler System A and W Cascading Blowdown A and W TECHNOLOGIES On Line BoilerBoiler in Hot Wet Storage Boiler Bottom Blowdown Boiler Bottom Blowdown Flash Tank Drain Flashed steam Closed Open Check Valve Closed Open Closed Cascading blowdown from 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. Open

44

45 Thank you for your business A and W TECHNOLOGIES


Download ppt "BOILER TRAINING Mr. Customer – Site specific A and W TECHNOLOGIES."

Similar presentations


Ads by Google