data collection sheet for calculating a denox system · 2020. 8. 27. · data collection sheet for...
TRANSCRIPT
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Data collection sheet for calculating a DeNOx system
Dear customer,
to comment on your gas conditioning problem, we would require all data known to you and indispensable for computing.
Company:
Address:
Date:
Contact person:
Phone/Fax:
E-Mail:
SNCR SCR
1. Gas data
Clinker production (in case of cement plant) t/d
Built NOx mg/Nm3 at % vol. dry O2 (Reference O2 content)
Limit value NOx mg/Nm3 at % vol. dry O2 (Reference O2 content)
NH3 slip max. ppm
Split of NOx: NO/NO2 ratio
Chemical reactant: Ammonia solution Urea solution Concentration %
2. General conditions
Dimensions: Ø pipe mm length x width mm
Available reaction distance m
Direction of gas ⇓ ⇑ ⇒
Is injection system always in operation? Yes No In case the operation is interrupted, running time %
Atomizing Air max. available over pressure bar, g
Gas composition [Vol. %]H2O O2 wet O2 dry
Required volume amount [l/min]max. min.
Lechler GmbH · Precision Nozzles · Droplet SeparatorsP. O. Box 1323 · 72544 Metzingen, Germany · Phone +49 7123 962-0 · Fax +49 7123 962-405 · [email protected] · www.lechler.com
Gas flow [Nm3/h*, wet] t inlet [°C]max.: min.: max.:
nominal: min.: max.:
min.: min.: max.:
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3. Constructive and technical details
Wall thickness (incl. brick lining) mm
Required installation length of lances mm
Number of injection levels pieces to be determined
Number of lances per level pieces to be determined
Optional
Design in special material (standard 1.4571/1.4404 or 1.4841)
Protection of lance (e.g. protection tube with barrier air)
4. If available, please attach
Process flow sheet
Sketch/drawing of gas pipe with dimensions
Extract from temperature curves/trends
Additional documents for SNCR systems:
Marking the position of the expected temperature window in drawings
Additional documents for SCR systems:
Distance to installations, deflections and to the catalyst
Position of static mixer
5. Miscellaneous
Lechler GmbH · Precision Nozzles · Droplet SeparatorsP. O. Box 1323 · 72544 Metzingen, Germany · Phone +49 7123 962-0 · Fax +49 7123 962-405 · [email protected] · www.lechler.com
Company: Adress: Adress2: Adress3: Date: Contact person: Phone/Fax: E-Mail: DeNOx: OffClinker production: max: design:
nominal: min: min t Eintritt: max t Eintritt: min2 t Eintritt: max2 t Eintritt: min3 t Eintritt: max3 t Eintritt: H20: 02 feucht: 02 trocken: Gas 4: Gas 5: Gas 6: Gas 7: Gas 8: Gas 9: Gas 10: Gas 11: Built NOx: Built NOx %: Limit value NOx: Limit value NOx %: NH3 slip: Split NOx: Flüssigkeit: OffConcetration: max Flüssigkeitsmenge: min Flüssigkeitsmenge: pipe: lengthxwidth: re