precision spray nozzles for desox - mission energy

Precision Spray Nozzles for Precision Spray Nozzles for DeSOxDeSOx

Precision Spray Nozzles for Precision Spray Nozzles for DeSOxDeSOx

Lechler Today

Lechler Group Lechler Group worldworld--widewide

■■ 680 680 employeesemployees■■ Sales (2016): 100 Sales (2016): 100 Mio. Mio. €€■■ Representatives in more Representatives in more

than 50 countriesthan 50 countries

Lechler Group Lechler Group worldworld--widewide

■■ 680 680 employeesemployees■■ Sales (2016): 100 Sales (2016): 100 Mio. Mio. €€■■ Representatives in more Representatives in more

than 50 countriesthan 50 countries

Lechler India (Thane)Lechler India (Thane)

■■ Founded in 1993Founded in 1993■■ Sales (2016): 600 Sales (2016): 600 Mio. Mio. RsRs■■ Branch Offices: Branch Offices: ChennaiChennai, ,

KolkataKolkata, Hyderabad, , Hyderabad, Surat, Delhi, Surat, Delhi, Jamshedpur & AngulJamshedpur & Angul

Lechler India (Thane)Lechler India (Thane)

■■ Founded in 1993Founded in 1993■■ Sales (2016): 600 Sales (2016): 600 Mio. Mio. RsRs■■ Branch Offices: Branch Offices: ChennaiChennai, ,

KolkataKolkata, Hyderabad, , Hyderabad, Surat, Delhi, Surat, Delhi, Jamshedpur & AngulJamshedpur & Angul

Head Quarters in GermanyHead Quarters in GermanyHead Quarters in GermanyHead Quarters in Germany WorldWorld--widewideWorldWorld--widewide

Lechler Today

Sound Engineering Practice (PED 97/23/EC)Sound Engineering Practice (PED 97/23/EC)Sound Engineering Practice (PED 97/23/EC)Sound Engineering Practice (PED 97/23/EC)

Lechler Spray Technology

Power Plant ApplicationsPower Plant ApplicationsPower Plant ApplicationsPower Plant Applications

Gas Cleaning: Gas Cleaning: wet FGD wet FGD SemiSemi--dry or dry FGDdry or dry FGD

Gas Conditioning / Gas Conditioning / HumidificationHumidification

PrePre--Moistening in Air Cooler in Air Cooler BanksBanks

Fugitive Dust SuppressionFugitive Dust Suppression

Coal WashingCoal Washing

25-Sep-17 Lechler Precision Spray Nozzles for deSOx 4

Flue Gas Desulphurization

Wet FGDWet FGDWet FGDWet FGDChemical Chemical reaction takes place at the surfacereaction takes place at the surface

-- plenty plenty of (small) nozzlesof (small) nozzles-- high high differential pressuredifferential pressure+ less + less liquid loss at liquid loss at scrubberscrubber--wallwall+ use + use effects of effects of secondary secondary atomizationatomization+ and + and the reaction timethe reaction time…….…….

When 2 droplets hit each other new When 2 droplets hit each other new Surface area is created & smaller dropletsSurface area is created & smaller dropletsare available for scrubbing.are available for scrubbing.Secondary atomization increases reactionSecondary atomization increases reactionSurface by frequent droplet interactions.Surface by frequent droplet interactions.



Secondary Atomization concept.Secondary Atomization concept.Secondary Atomization concept.Secondary Atomization concept.



Conventional / Standard NozzlesConventional / Standard NozzlesConventional / Standard NozzlesConventional / Standard Nozzles


Spray cones meet coSpray cones meet co--currentcurrent

Flue Gas desulphurisation

Influence of first and secondary atomizationInfluence of first and secondary atomizationInfluence of first and secondary atomizationInfluence of first and secondary atomization


Spray cones meet Spray cones meet countercounter--currentcurrent


Twin Absorb Twin Absorb technologiestechnologiesTwin Absorb Twin Absorb technologiestechnologies



Different types of Twin Absorb NozzlesDifferent types of Twin Absorb NozzlesDifferent types of Twin Absorb NozzlesDifferent types of Twin Absorb Nozzles

TwinAbsorbTwinAbsorb Equilateral Full cone Nozzle. Equilateral Full cone Nozzle.

TwinAbsorbTwinAbsorb Equilateral Equilateral Hollow Hollow cone cone Nozzle.Nozzle.

TwinAbsorbTwinAbsorb BiBi--directional directional Full cone Full cone Nozzle.Nozzle.

TwinAbsorbTwinAbsorb BiBi--directional directional Hollow Hollow cone Nozzlecone Nozzle


Spray level 1Spray level 1--44Spray level 1Spray level 1--44


++ directing of the flue gas ++ directing of the flue gas to new created reaction to new created reaction surfacesurface

++ increasing of relative ++ increasing of relative velocity between gas and velocity between gas and liquidliquid

++ steady and reliable ++ steady and reliable creation of new reaction creation of new reaction surfacesurface

++ doubling of spray cones++ doubling of spray cones

++ ++ improved improved secondary secondary atomization, more sections atomization, more sections of collision areas.of collision areas.


upper spray upper spray level level upper spray upper spray level level


++ all benefits of the Twin++ all benefits of the Twin--Absorb technology as well Absorb technology as well for the upper spray for the upper spray levellevel

++ ++ increasing of relative increasing of relative velocity between gas and velocity between gas and liquidliquid

++ steady and reliable ++ steady and reliable creation of new reaction creation of new reaction surfacesurface

++ ++ doubling doubling of spray cones of spray cones

++ improved secondary ++ improved secondary atomization, more sections atomization, more sections of collision areas.of collision areas.



Twin Absorb technologiesTwin Absorb technologiesTwin Absorb technologiesTwin Absorb technologies



Connection methodsConnection methodsConnection methodsConnection methods


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As an international As an international companycompany Lechler Lechler isis representedrepresentedin in moremore thanthan 50 countries 50 countries worldworld--widewide..

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precision spray nozzles for desox - mission energy

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