Roller Grate 4

8/16/2019 Roller Grate 4

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We are all making efforts to deal

responsibly with our resources and

with nature. Much has already been

achieved in this respect.

Presentationof

Waste incineration technologiesfrom

Lentjes GmbH


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1. Company and Plant References

2. Technologies3. Summary


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1. Company and Plant References


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Lentjes?

A few words about the company …


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Lentjes GmbH

Ø Lentjes is a process lead international EPC turnkeycontractor with a worldwide network in industrially activemarkets

Ø Lentjes is a pure engineering company with in-houseproprietary technologies and processes for EfW plants (gratesystems, steam generators, FGC systems)

Ø Over 80 contracts in the waste to energy sector since 1990

Ø Wide international experience

Ø Involvement in early stage regarding planning questions

Ø Local presence in key markets ensures deliverability


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Ø Engineering (for all combustion systems, boilers, FGC

processes, civils, water-steam-cycle, electrical, I&C, etc.)

Ø Procurement / International Sourcing

Ø Construction

Ø Project Management

Ø Quality Assurance / Health & Safety

Ø Construction ManagementØ Training, Commissioning, Performance Testing

Turnkey EPC Expertise in


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GEA Group AktiengesellschaftTurnover €4.5 billion Employees 17,500

ProcessEquipment

MechanicalSeparation

Dairy Farm

Systems

ProcessEquipment

ProcessEngineering

ProcessEquipment

Energy

Technology

Customised

Systems

Refrigeration

Air Treatment

PlantEngineering

Lentjes GmbH

Turnover ~ €350 m

350 employees

Lurgi AG

Zimmer AG

Lurgi Bischoff GmbH


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Latest News ….

Ø GEA has decided to concentrate on the component business,

thus the Plant Engineering Division has been sold

Ø Lentjes has recently found new owner in ATEC Industries

Ø ATEC Industries will continue and strengthen all former

Lentjes’ activities in the future

Ø Lentjes will remain a strong and reliable partner in the

‘Energy from Waste’ business


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Headquarters Ratingen / Germany


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Lentjes Portfolio

Energy Division

Ø Fossil Fired Power Plants

Ø Combined Cycle Power Plants

Ø Flue Gas Desulphurisation

Environment Division

Ø Hazardous Waste Incineration

Ø Biomass to Energy

Ø Sewage Sludge Incineration

Ø Energy from Waste


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Lentjes Product Portfolio

Fossil Fired

Power Plants

Circulating FluidisedBed

Combined CyclePower Plants

Co-Generation andIndustrial Power

Plants

Flue Gas Cleaning

Power Plants

DesulphurisationWet - FGD

Seawater - FGD

CFB - FGD

Ammonia - FGD

Denitrification

SCR - Technology

Treatment Plants

for Industrial

Waste/ResiduesSewage Sludge

Rotary Kiln

Fluidised Bed

Flue Gas Cleaning

Biomass to Energy

Plants


Grate Systems

Flue Gas Cleaning

Energy from

Waste Plants

Grate Systems


ROWITEC®

Flue Gas Cleaning

Energy Division Environment Division


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Technologies of Energy and Environment Divisions

Energy

CCPP

CFB

Flue Gas Desulphurisation

Environment

Energy-from-Waste and Biomass Plants

Sewage Sludge Incineration

Hazardous Waste Incineration


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GAVI Wijster / NL, Water cooled grate

3 x 20 t/h

Taoyuan / ROC, Roller Grate

2 x 28 t/h


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Madrid / E, ROWITEC

3 x 9 t/h

Sleco / B, ROWITEC

3 x 20,8 t/h


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Lenzing / D, CFB

110 MWth

Premnitz / D, CFB

60 MWth


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Ebenhausen / D

2 x 50.000 t/a

Bayer AG Dormagen / D

45.000 t/a


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Dordrecht / NL

3 x 12 t/h, 1 x 24 t/h

Crossness / UK

2 x 3,5 t/d, 5,2 MWel


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SITA Kirklees, Huddersfield / UK

1 x 17 t/h

Shell Green, Manchester / UK

1 x 5,7 t/d Extension

Target Price Contract Award 2005


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WRG Allington, Kent / UK

3 x 21,4 t/h


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Colleferro / I

Wuppertal / D

Budapest / H

Madeira / P


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Recent Plant References Energy-from-Waste

Start-up Plant Grate System Throughput LHV (kJ/kg) Waste FGC System

2001 Taoyuan South / ROC Roller Grate 2 x 675 t/d 9,600 MSW Semi-dry

2002 Kirklees / UK Recipr. Grate 1 x 410 t/d 9,200 MSW Semi-dry

2002 Madeira / P Roller Grate 2 x 192 t/d 7,800 MSW Semi-dry

2002 Terni / I Reci. Grate w/c 1 x 300 t/d 15,000 SRF Semi-dry

2002 San Vittore / I Reci. Grate w/c 1 x 300 t/d 15,000 SRF Semi-dry

2002 Colleferro I+II / I Reci. Grate w/c 2 x 300 t/d 15,000 SRF Semi-dry

2002 Premnitz / D CFB 1 x 60 MWth 14,000 SRF Circoclean

2003 Powergen / UK FB 1 x 530 t/d 5,200 Paper Sludge Fabric Filter

2003 Strongoli / I CFB 2 x 20 MWel 11,100 Biomass Dry (BiCar)

2004 Budapest / H Roller Grate 4 x 360 t/d 8,500 MSW Semi-dry

2005 Cantabria / E Roller Grate 1 x 288 t/d 11,720 MSW Circoclean

2006 Sleco / B ROWITEC 3 x 495 t/d 8,30050 % SRF

50 % Sludge

Circoclean +

Scrubber 2006 Allington / UK ROWITEC 3 x 513 t/d 9,200 MSW Circoclean

2006 Frankfurt / D Recipr. Grate 4 x 480 t/d 10,300 MSW Circoclean2008 Casteltermini / I Reci. Grate w/c 2 x 413 t/d 12,560 SRF Dry (BiCar)

2008 Augusta / I Reci. Grate w/c 3 x 413 t/d 12,560 SRF Dry (BiCar)

2008 Palermo / I Reci. Grate w/c 3 x 552 t/d 11,550 SRF Dry (BiCar)

2008 Manchester / UK FB 1 x 140 t/d 12,600 (DS) Sludge Wet multi-stage


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Plant References Energy-from-Waste

74 Lines in 43 Plants

equivalent to

1.107 tph or ~8,85 mio tpy


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2. Technologies


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Lentjes’ Technologies Related to Waste Sector

• Conditioned Dry – CIRCOCLEAN ®

• Semi Dry

• Wet Scrubbers• SCR and SNCR

Gas Cleaning:

• Horizontal / vertical multi pass systems• Standard WTE parameters preferred

Heat Recovery

Boilers:

• Reciprocating Grate (air/water-cooled)• Roller Grate• Circulating Fluid Bed• ROWITEC ® Fluid Bed• Fluidized Bed

Furnace Types:


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Roller GrateReciprocating Grate

Counter Reciprocating Grate

Application:

Incinerationof MSW

Application:

Incineration

of MSW / SRF

Grate Systems


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Fluidised Bed Systems

ROWITEC® CFB

Application: Application:

Incineration of MSW / SRF + Sludge Incineration of SRF


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Typical Application Ranges of Technologies


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Roller Grate


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Roller Grate Section I


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Roller Grate Section II


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Roller Grate Side Wall


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Grate Bar


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Roller Grate Drives


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Roller Grate Capability for High CV‘s

EfW Plant Wuppertal / D

Variation of Heating Values

- Roller Grate -

8.000

9.000

10.000

11.000

12.000

13.000

14.000

15.000

16.000

1 2 3 4 5 6 7 8 9 10111213141516171819202122232425262728293031323334353637383940414243444546474849505152

Week

L H V

M J / k g

2002 2006 Average 2002 (11,8 MJ/kg) Average 2006 (10,6 MJ/kg)


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Combined Grate


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Function of Grate Type 410 (Reciprocating)

Start Position Middle Position Final Position

moving rows fixed rows


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Start Position Middle Position Final Position

Function of Grate Type 510 (Counter Reciprocating)

fixed rowscounter moving rows

counter moving rows


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Center Flow Combustion Chamber


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Roller Grate / Reciprocating Grate

Ø Both meet all guarantees (burnout incl. siftings)

Ø Both have very good references

Ø Both present modern state-of-the-art design

Ø Roller Grate has lower energy use

Ø Roller Grate has less maintenance requirements

Ø Significant grate bar weight difference

Ø Roller Grate has a higher CV limit in standard form

Ø Geometry configuration is different (70 % difference

in width has advantages for boiler design)

Ø Roller Grate has lower exchange rates

Ø Roller Grate applicable for both small and large units


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ROWITEC® Fluidized Bed Firing

Process Principle

1. Waste Feeder

2. Revolving Fluidised Bed

3. Fluidising Air

4. Flue Gas

5. Deflector Plate

6. Non-combustibles

Discharge Chute

7. Inclined Nozzle Plate


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ROWITEC® Fluidized Bed

Primary air

supply

Non combustiblesdischarge screw

conveyor

Waste Feeder

Secondary air

inlet nozzles

2. Screen

Freeboard

burner

Flue gases

to boiler

Sand

valve

Bed preheat

burner

Bucket

elevator 1. Screen

Magnetic

separator

Bed

Material

(sand)

storage

silo

Non combustibles

discharge conveyor

1 Flue gases to boiler 2 Freeboard burner 3 Secondary air inlet nozzles4 2. Screen5 Sand valve6 Waste Feeder

7 Bed Material (sand storage silo)8 Bed preheat burner 9 Primary air supply

10 Non combustibles dischargescrew conveyor

11 1. Screen12 Magnetic separator

13 Bucklet elevator 14 Non combustibles discharge

conveyor


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ROWITEC® Fluidized BedMadrid Integrated Waste Processing Facility


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ROWITEC® Fluidized BedMadrid Integrated Waste Processing Facility


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ROWITEC® Fluidized BedBed Nozzles and Deflector Plates


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ROWITEC® Fluidized BedBootom Ash after Ferrous Metals Separation


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ROWITEC® Fluidized BedFerrous Metals separated from Bottom Ash


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ROWITEC® Fluidized BedResidues in Botton Ash


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ROWITEC® Fluidized Bed Firing

Ø Improved heat transfer through the use of a sand bed.

Ø Rapid, complete combustion in the fluidized bed with

a short retention time.

Ø High flexibility with regard to variations in the

composition of the refuse.

Ø Ease of control due to staged, targeted combustion air feeding.

Ø Reducing atmosphere in the bed zone, thereforesubstantially lower NOx levels in the combustor.

Ø Complete combustion: the residual carbon content of

the bed ash and fly ash is usually less than 0,1 wt. %.

Ø No moving parts in the hot combustor area.


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Combustion System / Steam Generator I


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Combustion System / Steam Generator II


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Combustion System / Steam Generator III


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Combustion System / Steam Generator IV


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Horizontal / Vertical Boilers

Ø Both meet all guarantees

Ø Both have very good references

Ø Both present modern state-of-the-art design

Ø Horizontal boiler has less steam consumption

Ø Vertical boiler results in lower invest cost

Ø Vertical boiler requires higher buildings

Ø Horizontal boiler requires more space

Ø General tendency:

Horizontal boilers for small units

Vertical boilers for large units


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Flue Gas Treatment Processes

Process TypesFlue Gas Treatment downstream

Waste Incineration Plants

Dry Processes

• NEUTREC

• Ca(OH)2 basedprocesses

Wet Scrubbing

• Spray scrubbers

• Packed columesscrubbers

• Multi stage scrubbers

• Wet electrostaticprecipitators

Catalytic/Non-CatalyticProcesses

• Activated carbonprocesses

• SCR-DeNOx andDeDiox

• SNCR-denitrification

Process Recovering

• Gypsum recovery

• HCl-recovery• Recovery of

NaCl/CaCl2

Semi-Dry Processes

• CIRCOCLEAN• Spray absorbtion• Dry conditioned

processes

Combined Processes

• Effluent free processesby means of evaporationand/or recovery of valuables

Adsorption Processes

• Transport reactor • Fixed bed adsorber • CFB


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Comparison of Flue Gas Treatment Systems

- High Investment Costs- Limited Removal Efficiency

- High Residue Disposal Costs

- Possibly Waste Water Treatment required- High Residue Production

- High Maintenance and Operational Costs- High Sorbent Consumption

+ Minimised Residue Disposal Costs

+ Minimised Residue Production+ Effluent Free

+ Minimised (Stoichiometric) Sorbent

Consumption

+ Low Maintenance and Operational Costs

+ High Removal Efficiency+ Low Investment Costs

Wet ProcessesDry / Dry Conditioned Processes


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Circoclean ® Flue Gas Cleaning System

TIC

p

LCFIC

Water

Activated Carbon

Flue Gas

Residues CFBReactor

Fabric Filter Stack

ID - Fan

Pressurecombustion

chamber

Control

A

Lime

Control


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MHKW Frankfurt (Old Plant)


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Old Plant New Plant Annual Capacity t/a 447.000 525.000

Number of Lines 4 4

Capacity per Line t/h 15 20

LHV @ MCR MJ/kg 9,2 10,3 (8,0 – 14,0)

Steam Parameter °C/bar 500/60 500/60

Boiler Design 3-Pass + Horiz. 1-Pass + Horizontal

Flue Gas Cleaning System Semidry, ESP, Cond. dry Circoclean

Fabric Filter with PAC

Emission Values 17. BImSchV 17. BImSchV

MHKW FrankfurtComparison of Design Data


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MHKW Frankfurt

Typical Operation Data (mg/mn³)

Raw gas Clean gas Ø

HCl 600 – 750 7,5

SO2 160 – 270 8,4

CO 8,6Cges 0,5

NOx 180

Hg 0,002

Dust 0,5


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MHKW FrankfurtImpressions during the Erection I


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MHKW FrankfurtImpressions during the Erection II


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MHKW FrankfurtImpressions during the Erection III


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MHKW Frankfurt(New Plant)


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Taoyuan SouthPlant Location

Taoyuan SouthPlant Location


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Technical Data

Service Area 25 km Radius, Southern Taoyuan C ounty (near International Airport), 950.000 Inhabitants

Municipal / Comm ercial Waste 420.000 t/a

W aste Bunker Volume 12.000m ³

Waste Pre-treatment System none

Incineration 2 x 28,125 t/h

Grate Type Roller Grate

Heating Value W aste 5,9 – 13,4 MJ/kg (9,6)

Incineration Tem perature 1100°C

Steam Generation per Boiler 85 t/h, 40 bar, 400°C

Pow er Generation 40 M W e, 4 MW th District Heat

F lue G a s C lea n ing Sy st em 2 x 1 60 .0 00 m³/h, Spra y Drye r ( Se mi- dry) w i thBaghouse, Provisions for SNCR

Emission Lim its Acc. to Taiw an EPA

Land Required 200 m x 175 m


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Taoyuan SouthFlow Diagram

1. Waste Tipping

2. Incinerator withSteam Generator

3. Deslagging

4. Spray Absorber

5. Bag Filter

6. Residue Silos

7. Cement Silo

8. Solidification

9. Turbo Generator Setand Water / Steam -

Cycle


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BOILER HOUSE BUNKER TIPPING HALL

AIR COOLED CONDENSER TURBINE HOUSE

STACK

FLUE GAS CLEANING

RR

Q

P

1 2 3 4

N

M

L

K

J

5 6 7 8 9 1 0 1 1 1 2

H

G

F

E

D

C

B

A

1 2 3 4 5 6 7 8 9 1 0 1 1 1 2

1 3 1 4 1 5 1 6 1 81 7 1 9 2 0 2 1 2 2 2 3 2 4

R

Q

P

N

M

L

K

J

1 3 1 4 1 5 1 6 1 81 7 1 9

H

G

F

E

D

2 0 2 1 2 2 2 3

C

B

A

2 4

T a o y u a n S o u t h e r n R e g i o n B O O M u n i c i p a l S o l i d W a s t e I n c i n e r a t i o n P l a n t

8

7

6

5

4

10

2

1

9

3

1

2

3

4

56

7

8

9

10 Air Cooled Condenser

Steam Turbine Generator Set

Bag FilterSemi Dry Scrubber

Waste Heat Recovery Boiler

Incinerator

Refuse Crane

Refuse Bunker

I.D. Fan

Stack

Taoyuan SouthSectional View


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Plant Model


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Plant Impressions


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Plant Impressions


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Plant Impressions


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Plant Impressions


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Taoyuan SouthOperation Data

38436 46

200303 680 744

Total 2 96 39673 39 2159

200302 672 19461,47 672

Year / Month #1 Incinerator #2 Incinerator

200301 744 20211,92 743

Operation hour Treatment tonnage Operation hour Treatment tonnage

19615,74

18820,72

18450 36

21 927 76

19419,1

18639,41

11646,48

12154,78

12558,53

19472,6920261 06

20941,95

456

556

774

7999

21143,37

18491,61672

643 17748,42

16812,76

18965 85

215293 76

744

482

744720

744

744

720

8 3

18720,49

21048,29

12275,28

19431,8119021 61

21378,9

20061,29

18514,16

7916,25

720

299

720

744

Total

21147,07744

672

744

456

744699

744

744

200209

200210

200211

200212

200205200206

200207

200208

200201

200202

200203

200204

#1 Incinerator #2 Incinerator Year / Month

Operation hour Treatment tonnage Operation hour Treatment tonnage


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3. Summary


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Lithuania Projects

Ø Lithuania EfW facilities will require

l Large Contractor with Parent Company

Backingl Long Term Commitment to European EfW

Market

l Robust Guarantees

l Bankability

ü

ü

ü

ü


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Lithuania Projects

Ø Lentjes provides …

l Type and range of technologies

l Ability to meet capacity range

l Experience and references in PL

ü

ü

ü


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High level technologies for the incineration of waste are available

and allow economic and efficient disposal concepts.

All technologies fulfil the requirements for

ü large unitsü high efficiency

A decision for a system must be taken on a project specific basis!

The aim must remain:

Environmentally safe and reliable incineration of waste.

Summary


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Lentjes GmbH Forward Market Philosophy

Ø Build on sustained presence in key WTE markets

Ø Select target projects technically and commercially

Ø Maintain turnkey capability

Ø Longterm WTE experience with multiple references

Ø Continue to offer proven technology

Ø Maintain Lentjes’ reputation for quality process plants

Ø Increase market share in Waste to Energy markets


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Win-Win-Position

Lentjes GmbH

TurnkeyContractor

Strong MarketPresence

In House Chute toStack Technologies

Bankability

Lithuania

Requires waste management

solutions incorporatingsteam/power experts


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… is the worldwide experienced EPC GeneralContractor with proprietary technical solutions for solid and liquid, hazardous and non-hazardous

waste incineration plants.

Lentjes GmbH


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Thank you for your attention!

Gunnar LischkeSales Director Lentjes

We have TechnologiesWe have Know-howWe have References

Roller Grate 4

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