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DEAERATOR RETROFIT
Advantages of converting tray-type deaerators to spray-type deaerators
The webinar starts at 12.00h. CET
You can ask questions through the Q&A button in the zoom-menu.
During the webinar all participants are on ‘mute’.
Webinar
MAINTAINING A BETTER WORLD
DEAERATOR
RETROFIT
Webinar
MAINTAINING A BETTER WORLD
INTRODUCTION
PRESENTERS
MAINTAINING A BETTER WORLD
Joyce
Logman
Alex
Heino
MAINTAINING A BETTER WORLD
INDEX
DEAERATOR
• Deaerator Principle
• Tray-type vs. Spray-type
• Why Retrofitting
• Procedure
• Example Case
• Cost of Ownership
• Economical benefits
• Environmental benefits
> POLL QUESTION
MAINTAINING A BETTER WORLD
DEAERATOR
PRINCIPLE
STEAM CHARGING RAKE
• Uniform Steam Distribution
• Condensing steam as energy source
SPRAYER
• Condensate distribution
BAFFLE PLATES
• Providing Flow Regime
STORAGE VESSEL
• Storage Capacity
DEAERATION
• Sprayer and Vessel
MAINTAINING A BETTER WORLD
DEAERATOR
PRINCIPLE
REMOVE GASSES
• 𝑂2  Corrosion (oxidation of metal)
• 𝐶𝑂2  Corrosion (dissolving of metal)
• 𝑁2, other
FEED WATER STORAGE
Capacity Deaerator is +/- 10-20% of nominal steam
production
PRE-HEATING OF FEEDWATER TO BOILER
+/-10-20 °C  Condensate, 90 °C  Feed water +/- 105 °C
ENERGY BUFFER
MAINTAINING A BETTER WORLD
TRAY-TYPE VS.
SPRAY-TYPE
• Condensate Distributor: Sprayer
• Steam Distributor: Steam Rake
• Vent next to Sprayer
• Condensate Distributor: Trays
• Steam Distributor nearby Trays
• Vent on Dome
> POLL QUESTION
MAINTAINING A BETTER WORLD
WHY
RETROFITTING
1. Higher and constant
performance: ~7 ppb
2. No oxygen scavengers needed
3. Less operational costs
4. +/- 90% reduction of steam loss
5. Less noise pollution:
>85 dB naar <80 dB
MAINTAINING A BETTER WORLD
WHY
RETROFITTING
6. Improved capacity
7. Turndown ratio >1:10
8. Simplified construction
9. Less parts  less maintenance
MAINTAINING A BETTER WORLD
PROCEDURE
OF RETROFIT
INSPECTION
BASIC ENGINEERING
DETAIL ENGINEERING
MANUFACTURING
SITE MODIFICATIONS
START-UP
MAINTAINING A BETTER WORLD
EXAMPLE CASE
SALT MINE GERMANY
• Increased capacity
• Reduced steam loss, saving €68.800.-/year
• Life expectance = 30 years
• Client saves €2.064.000.-
MAINTAINING A BETTER WORLD
BUSINESS CASE
PAYBACK TIME
TRAY-TYPE SPRAY-TYPE
Investment
Av. Price retrofit €120.000
Installation €80.000
Retrofit investment €200.000
Annual operational costs
Maintenance €30.000 €10.000
Steam loss €40.000 €5.600
Chemicals €67.200 € -
Total €137.200 €15.600
Annual savings €121.600
Payback Time 1,65 year
ASSUMPTIONS:
• Life expectance Stork
deaerator: 30 years
• Operational hours: 8000 h/y
• Capacity: 286 t/h
• 1.2 L/h scavenger
• 1.85 kg /𝑛𝑚3
natural gas
• 1500 𝑚3
/y natural gas per
household
PRICES:
• €10.-/t steam
• €7.-/L scavenger
𝑂2
𝐶𝑂2
MAINTAINING A BETTER WORLD
ENVIRONMENTAL
BENEFITS
• Example case:
• Steam savings when retrofitted: €40.000 - €5.600= €34.400
• €34.400 = 3.440 ton steam
= 140 households
= 390 ton 𝑪𝑶𝟐 SAVED per year
MAINTAINING A BETTER WORLD
IMPROVE DEAERATOR PERFORMANCE
WRAP UP!
• Improve deaerator performance by converting to spray-type deaerator
• Conversion will reduce costs & environmental harm significantly due to:
• Removing of oxygen scavenger
• Reducing steam losses
• Payback time often within 3 years
• Conversion in a relatively short time
> QUESTIONS ?
RECORDED WEBINARS
> www.stork.com/recorded-webinars
NEXT WEBINARS (DUTCH):
THANK YOU FOR YOUR ATTENDANCE
Compliance
& fugitive
emissions
5 JUNE
Lifecycle
Asset
Management
3 JULY
CONTACT US:
> experts@stork.com
www.stork.com/podcast

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Stork webinar | Voordelen van een deaerator retrofit

  • 1. DEAERATOR RETROFIT Advantages of converting tray-type deaerators to spray-type deaerators The webinar starts at 12.00h. CET You can ask questions through the Q&A button in the zoom-menu. During the webinar all participants are on ‘mute’. Webinar
  • 4. MAINTAINING A BETTER WORLD INTRODUCTION PRESENTERS MAINTAINING A BETTER WORLD Joyce Logman Alex Heino
  • 5. MAINTAINING A BETTER WORLD INDEX DEAERATOR • Deaerator Principle • Tray-type vs. Spray-type • Why Retrofitting • Procedure • Example Case • Cost of Ownership • Economical benefits • Environmental benefits
  • 7. MAINTAINING A BETTER WORLD DEAERATOR PRINCIPLE STEAM CHARGING RAKE • Uniform Steam Distribution • Condensing steam as energy source SPRAYER • Condensate distribution BAFFLE PLATES • Providing Flow Regime STORAGE VESSEL • Storage Capacity DEAERATION • Sprayer and Vessel
  • 8. MAINTAINING A BETTER WORLD DEAERATOR PRINCIPLE REMOVE GASSES • 𝑂2  Corrosion (oxidation of metal) • 𝐶𝑂2  Corrosion (dissolving of metal) • 𝑁2, other FEED WATER STORAGE Capacity Deaerator is +/- 10-20% of nominal steam production PRE-HEATING OF FEEDWATER TO BOILER +/-10-20 °C  Condensate, 90 °C  Feed water +/- 105 °C ENERGY BUFFER
  • 9. MAINTAINING A BETTER WORLD TRAY-TYPE VS. SPRAY-TYPE • Condensate Distributor: Sprayer • Steam Distributor: Steam Rake • Vent next to Sprayer • Condensate Distributor: Trays • Steam Distributor nearby Trays • Vent on Dome
  • 11. MAINTAINING A BETTER WORLD WHY RETROFITTING 1. Higher and constant performance: ~7 ppb 2. No oxygen scavengers needed 3. Less operational costs 4. +/- 90% reduction of steam loss 5. Less noise pollution: >85 dB naar <80 dB
  • 12. MAINTAINING A BETTER WORLD WHY RETROFITTING 6. Improved capacity 7. Turndown ratio >1:10 8. Simplified construction 9. Less parts  less maintenance
  • 13. MAINTAINING A BETTER WORLD PROCEDURE OF RETROFIT INSPECTION BASIC ENGINEERING DETAIL ENGINEERING MANUFACTURING SITE MODIFICATIONS START-UP
  • 14. MAINTAINING A BETTER WORLD EXAMPLE CASE SALT MINE GERMANY • Increased capacity • Reduced steam loss, saving €68.800.-/year • Life expectance = 30 years • Client saves €2.064.000.-
  • 15. MAINTAINING A BETTER WORLD BUSINESS CASE PAYBACK TIME TRAY-TYPE SPRAY-TYPE Investment Av. Price retrofit €120.000 Installation €80.000 Retrofit investment €200.000 Annual operational costs Maintenance €30.000 €10.000 Steam loss €40.000 €5.600 Chemicals €67.200 € - Total €137.200 €15.600 Annual savings €121.600 Payback Time 1,65 year ASSUMPTIONS: • Life expectance Stork deaerator: 30 years • Operational hours: 8000 h/y • Capacity: 286 t/h • 1.2 L/h scavenger • 1.85 kg /𝑛𝑚3 natural gas • 1500 𝑚3 /y natural gas per household PRICES: • €10.-/t steam • €7.-/L scavenger 𝑂2 𝐶𝑂2
  • 16. MAINTAINING A BETTER WORLD ENVIRONMENTAL BENEFITS • Example case: • Steam savings when retrofitted: €40.000 - €5.600= €34.400 • €34.400 = 3.440 ton steam = 140 households = 390 ton 𝑪𝑶𝟐 SAVED per year
  • 17. MAINTAINING A BETTER WORLD IMPROVE DEAERATOR PERFORMANCE WRAP UP! • Improve deaerator performance by converting to spray-type deaerator • Conversion will reduce costs & environmental harm significantly due to: • Removing of oxygen scavenger • Reducing steam losses • Payback time often within 3 years • Conversion in a relatively short time
  • 19. RECORDED WEBINARS > www.stork.com/recorded-webinars NEXT WEBINARS (DUTCH): THANK YOU FOR YOUR ATTENDANCE Compliance & fugitive emissions 5 JUNE Lifecycle Asset Management 3 JULY CONTACT US: > experts@stork.com www.stork.com/podcast

Notes de l'éditeur

  1. [Ferry] Introductie t/m de spelers....Bram als nieuws lezer...
  2. Basic Eng: process study Detail Eng: site visit and detail design package of internals and modifications on the vessel Manufacturing: production/delivery sprayer + possibly internals by Stork Site modification: depending on location, by stork or local mechanical contractor. Inspection visit from Stork (for warranty reasons) Start up: to be further agreed, depending on customer wishes
  3. Ferry: 21 juni:            Kip of ei - Wat zijn de ontwikkelingen in NL waterstofland (en wat kan dat betekenen voor jou als asset owner) 23 augustus:     Waterstof competenties 20 September:  Klaar voor waterstof