Presentation is loading. Please wait.

Presentation is loading. Please wait.

Spray-type Deaerator Presentation Stork Thermeq BV Start.

Published byJunior Byrd Modified over 9 years ago

Similar presentations

Presentation on theme: "Spray-type Deaerator Presentation Stork Thermeq BV Start."— Presentation transcript:

1 Spray-type Deaerator Presentation Stork Thermeq BV Start

2 Presentation Stork Spray-type Deaerator

3 Deaerating process steps (1)
General Application Construction Conclusion Deaerating process steps (1) Principle Step Item 1 Spray-device 2 Steam Charging Device (SCD) 3 Vessel Function 100% heating up Partial deaeration Cooling steam to saturation temperature Steam distribution Feedwater storage (no heating up) Relief of non-condensable gases Finalization of deaeration Performance Venting Comparison - Lay-out - Operation Retrofit

4 Deaerating process steps (2)
General Application Construction Conclusion Deaerating process steps (2) Principle Performance Venting sprayer steam vessel Comparison - Lay-out - Operation Retrofit

5 General Application Construction Conclusion Principle Performance
Venting Comparison - Lay-out - Operation Retrofit

6 General Application Construction Conclusion Principle Performance
Venting Comparison - Lay-out - Operation Retrofit

7 Comparison; layout Typical layout
General Application Construction Conclusion Comparison; layout Principle Typical layout Cascade or Spray/tray-type Deaerators Performance Venting Comparison - Lay-out - Operation Retrofit

8 Comparison; layout Stork Spray-type No vent condenser One vessel:
General Application Construction Conclusion Comparison; layout Principle Stork Spray-type No vent condenser One vessel: 1 top platform min. insulation min. piping easy erection low total height earthquake optimal Cascade Spray/tray-type Vent condenser or high losses Storage vessel + top tank: more platforms extended insulation balance lines, more length erection both tanks and piping extra total height top tank forces top tank to storage vessel critical for earthquake-design Performance Venting Comparison - Lay-out - Operation Retrofit

9 Comparison; layout Stork Spray-type Cascade Spray/tray-type General
Application Construction Conclusion Comparison; layout Principle Stork Spray-type Cascade Spray/tray-type Performance Venting Comparison - Lay-out - Operation Retrofit

10 Comparison; operation
General Application Construction Conclusion Comparison; operation Principle Stork Spray-type heating-up with standard steamrake operating range > 1:30 no pressure difference in steam area Cascade Spray/tray-type additional heating storage tank required operating range max. 1:4 pressure difference storage vessel and top tank at high loads Performance Venting Comparison - Lay-out - Operation Retrofit

11 Comparison; operation
General Application Construction Conclusion Comparison; operation Principle Stork Spray-type water saturated with rising pressure; easy control simple pressure control rate pressure decrease limited by NPSH feedwater pump Cascade Spray/tray-type water subcooled with rising pressure; sensitive control pressure control + feedforward rate pressure decrease is a critical item in design top tank Performance Venting Comparison - Lay-out - Operation Retrofit

12 Retrofit spray-tray to Stork design
General Application Construction Conclusion Retrofit spray-tray to Stork design Principle  Cascade-type Deaerator before retrofit Performance Stork Spray-type Deaerator after retrofit  Venting Comparison - Lay-out - Operation Retrofit

13 Media Flow to be deaerated Heat supply to deaerator
General Application Construction Conclusion Media Media Flow to be deaerated Heat supply to deaerator condensate / feedwater make-up / demin. water superheated steam saturated steam wet steam (.. 90 %) steam/water mixture (.. 1% steam) hot water (flashing in internals) Ranges Conventional HRSG Vacuum

14 Ranges Pressure 0.2 – 1.0 bara 1.2 – 20 bara Capacity 2 – 120 T/H
General Application Construction Conclusion Ranges Media Pressure 0.2 – 1.0 bara Vacuum to 1.3 bara 1.2 – 20 bara Overpressure Capacity 2 – 120 T/H Type DN150; spring 7 – 450 T/H Type DN250; spring 60 – 660 T/H Type 600; disc 120 – 1320 T/H Type 1200; disc 600 – 6000 T/H 5x type 1200; disc Diameter 1.6 – 5.0 m Normal range Length Limits of workshop Site assembly possible Ranges Conventional HRSG Vacuum

15 Stork From CR Bypass operation Condensate To HP- heaters General
Application Construction Conclusion Stork Media From CR Bypass operation Ranges Conventional Condensate To HP- heaters HRSG Vacuum

16 Deaerator LP-drum Condensate / make-up water LP- Steam HRSG Evaporator
General Application Construction Conclusion Deaerator LP-drum Media Condensate / make-up water To drum HRSG Economizer Heat source: Water / steam mixture LP- Steam Natural / forced circulation Evaporator Ranges Conventional HRSG Vacuum

17 Deaeration by ECO-water
General Application Construction Conclusion Deaeration by ECO-water Media LP- Steam = 0 Condensate / make-up water To drum HRSG Economizer Heat source: Hot Eco-water Ranges Conventional HRSG Vacuum

18 Vacuum operation with gas
General Application Construction Conclusion Vacuum operation with gas Media Vacuum venting Condensate / make-up water To drum HRSG LP- Steam = 0 60 °C Gas fired Economizer Heat source: Steam / Hot Eco-water Ranges Conventional HRSG Vacuum

19 Overpressure with oil 135 °C LP- Steam supply HRSG Oil fired
General Application Construction Conclusion Overpressure with oil Media Condensate / make-up water To drum HRSG LP- Steam supply 135 °C Oil fired Economizer Heat source: Steam / Hot Eco-water Ranges Conventional HRSG Vacuum

20 Material selection Vessel Steam charging device Flow baffles
General Application Construction Conclusion Material selection Material Vessel Steam charging device Flow baffles Spray baffle Sprayer Carbon steel Carbon steel (principal) Stainless steel (erosion, high water content) PWHT Sprayers Internals

21 Post Weld Heat Treatment
General Application Construction Conclusion Post Weld Heat Treatment Materials Client requirement Obligation Stork advice Relevant standards Quality Saving on maintenance costs Code requirement Dependent on wallthickness Optimal measure against cracking based on worldwide experience NACE, VGB, S42 PWHT Sprayers Internals

22 Disc type Spring type General Application Construction Conclusion
Materials PWHT Sprayers Internals

23 Disc type Spring type (new) General Application Construction
Conclusion Disc type Spring type (new) Materials PWHT Sprayers Internals

24 Stork deaerator Standard design: Y-type steamrake
General Application Construction Conclusion Stork deaerator Materials PWHT Standard design: Y-type steamrake Alternative & combination A / H type Sprayers Vortex beaker Spray baffle Internals Small baffle Large baffle

25 Investing in deaerators you want
Attractive prices Flexible design, minimum height Minimize the maintenance budget Satisfaction on your decision for years and years Stork spray-type Deaerators

26 End of Presentation Stork Thermeq BV End

Download ppt "Spray-type Deaerator Presentation Stork Thermeq BV Start."

Similar presentations

An Introduction To Marine Steam Propulsion Plant [Source: US Navy]

An Introduction To Marine Steam Propulsion Plant [Source: US Navy]
Main Condensate & Feed Systems

Main Condensate & Feed Systems
CONTROLS OF SUPER CRITICAL BOILERS

CONTROLS OF SUPER CRITICAL BOILERS
Steam and Water Accessories

Steam and Water Accessories
Generic Pressurized Water Reactor (PWR): Safety Systems Overview

Generic Pressurized Water Reactor (PWR): Safety Systems Overview
Operational Ideas for Supercritical Systems The Ultimate Criteria for Appreciation ….. P M V Subbarao Professor Mechanical Engineering Department I I.

Operational Ideas for Supercritical Systems The Ultimate Criteria for Appreciation ….. P M V Subbarao Professor Mechanical Engineering Department I I.
Preventing Equipment Failures

Preventing Equipment Failures
HVAC523 Heat Sources.

HVAC523 Heat Sources.
Antero Punttila 10.12.2007 1 Analyzing most typical energy saving measures Energy Efficiency of Steam and Condensate Systems Antero Punttila, Motiva Oy.

Antero Punttila Analyzing most typical energy saving measures Energy Efficiency of Steam and Condensate Systems Antero Punttila, Motiva Oy.
Energy Efficient Steam Systems

Energy Efficient Steam Systems
INTRODUCTION. Seminar on IMPROVEMENT OF THERMAL EFFICIENCY BY RECOVERY OF HEAT FROM IC ENGINE EXHAUST.

INTRODUCTION. Seminar on IMPROVEMENT OF THERMAL EFFICIENCY BY RECOVERY OF HEAT FROM IC ENGINE EXHAUST.
Hot water heating yesterday.... Hot water heating … and today n Principle –Heating system n Heat source n Distribution network n Heat emitter –Heat transfer.

Hot water heating yesterday.... Hot water heating … and today n Principle –Heating system n Heat source n Distribution network n Heat emitter –Heat transfer.
Proposed Modifications in Boiler Feed Tank By: D K Singhal

Proposed Modifications in Boiler Feed Tank By: D K Singhal
Learning Outcomes Upon completion of this training one should be able to: Identify open loop and closed loop campus-type hydronic water system applications.

Learning Outcomes Upon completion of this training one should be able to: Identify open loop and closed loop campus-type hydronic water system applications.
Energy Efficient Steam Systems. Steam Systems Steam systems most widely used type of process heating Advantages of steam: –Heat carrying capacity of steam.

Energy Efficient Steam Systems. Steam Systems Steam systems most widely used type of process heating Advantages of steam: –Heat carrying capacity of steam.
Thermal Power Station Plant. Introduction 150 MW Thermal power station plant, produce 450t/hr steam at full load The max steam pressure is 150 bar with.

Thermal Power Station Plant. Introduction 150 MW Thermal power station plant, produce 450t/hr steam at full load The max steam pressure is 150 bar with.
THERMAL POWER PLANT.

THERMAL POWER PLANT.
Performance Analysis of Power Plant Condensers P M V Subbarao Professor Mechanical Engineering Department I I T Delhi A Device Which makes Power Plant.

Performance Analysis of Power Plant Condensers P M V Subbarao Professor Mechanical Engineering Department I I T Delhi A Device Which makes Power Plant.
Superheaters.

Superheaters.
Reliable Rankine Cycle : One OFWH & Many CFWHS…. A truly Concurrent Design …… P M V Subbarao Professor Mechanical Engineering Department I I T Delhi.

Reliable Rankine Cycle : One OFWH & Many CFWHS…. A truly Concurrent Design …… P M V Subbarao Professor Mechanical Engineering Department I I T Delhi.

Similar presentations

Ads by Google