PS Herne Unit 4

PS Herne Unit 4

500 MWel, 1512 t/h > LowNOx Firing System for Bituminous Coal

Legend Selected References of Steinmüller Engineering

Achievements

 

Widening of applicable coal range to "world coal" and reduction of primary NOx emissions, reducing OPEX for SCR reagent.

(STP @ 6% O2)

 

NOx: < 400 mg/m3

CO : < 25 mg/m3

Fuel: World Coal (a.r.)

LCV: 16,7-26,4 MJ/kg (3,9-6,3 Mcal/kg)

w: 7-18 %

N: 1,2-1,9 %

a: 6,0-30%

VM: 21-36 %

Boiler design: Tower type, Benson boiler with opposed firing system, 12 burners, 1512 t/h, 292 bar, 535/541°C (SH/RH)

  • Commissioning: 1989 revamp by Steinmüller Engineering 2013

Scope of Supply

  • Process engineering for LowNOx firing system
  • 3D CFD modelling
  • Mechanical design of burners and ductwork
  • Manufacturing and installation of 12 LowNOx burners
  • Optimization of pulverized fuel distribution
  • Installation of over fire air and side wall air system
  • Commissioning and testing

Contact

Paolo Schmidt-Holzmann

Department Manager Proposals
Combustion Systems
Phone +49 2261 78950 309
Cell +49 151 4633 2676
Write an E-Mail

CHP Altbach, Unit 2

CHP Altbach, Unit 2

330 MWel, 1014 t/h > LowNox Firing System for Bituminous Coal

Legend Selected References of Steinmüller Engineering

Achievements

 

Capacity increase: 940 to 1024 t/h (+10%)

NOx: 310 mg/m3 for original coal range

CO : 100 mg/m3

 

(STP @6% O2)

 

Fuel: Bituminous Coal (World Coal)

Boiler design: Tower Type, Benson steam generator with Steinmüller all-wall firing system

Scope of Supply

  • Replacement of 12 LowNOx burners
  • Refurbishment of pulverisers
  • Modification on forced draft (FD) fan
  • Replacement of the FD drive motor including the addition of a frequency converter
  • Refurbishment of air preheater
  • All the above considering the 10% boiler capacity increase

Contact

Paolo Schmidt-Holzmann

Department Manager Proposals
Combustion Systems
Phone +49 2261 78950 309
Cell +49 151 4633 2676
Write an E-Mail

NUON Hemweg 8

NUON Hemweg 8

Retrofit with Efficiency Increase of Flue Gas Desulphurization Plant (FGD), 680 MWel, 1980 t/h > Flue Gas Treatment

Legend Selected References of Steinmüller Engineering

Achievements

 

  • SO2 removal efficiency increase from 92,9 % to 95,2 %
  • Sulphur dioxide emission reduced by more than 30%

 

FGD Design:

  • Diameter of scrubber: 18m
  • Number of spray levels: 4

Scope of Supply

  • Supply of new double hollow cone and full cone nozzles
  • Nozzle installation based on Advanced Nozzle Positioning (ANP) Technology
  • Refurbishment of piping system
  • Further process optimization options identified and proposed in additional engineering study

Contact

Dr. Axel Thielmann

Department Manager Business Development
Phone +49 2261 78950 145
Cell +49 173 2724 648
Write an E-Mail

HEADOFFICE

Steinmüller Engineering GmbH
IHI Group Company
Fabrikstraße 5
51643 Gummersbach / Germany

 

T +49 (0)2261 78950-0
F +49 (0)2261 78950-199
info@steinmueller.com

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