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Avaleht> Tooted > Katalüsaator > Selektiivse katalüütilise reduktsiooni katalüsaator (SCR)

Selektiivse katalüütilise redutseerimise katalüsaator


Lähtekoht:Hiina
Tootja nimi:HETEK CAT Autoosad
Mudel:
Certification:ISO9001
Miinimum Kogus:20pcs
Hind:Kokkuleppel
Pakend andmed:Mullikile + karp
Tarneaeg:üks kuu
Maksetingimused:Maksa enne saatmist
Pakkumise võime:5000L / päevas
KÜSITLUS
Kirjeldus

SCR is a treatment process for nitrogen oxides in the exhaust emissions of diesel vehicles, that is, under the action of catalysts, the nitrogen oxides in the exhaust gas are reduced to nitrogen and water that are harmless to air pollution.

Suitable for after-treatment of diesel engine NOx emissions. At the front end of the SCR catalyst, urea is introduced as a reducing agent. After the urea is hydrolyzed to NH3, the NO and NO2 in the exhaust gas are reduced to N2, and NOx is effectively removed under the oxygen-enriched condition of the diesel engine. It has good low temperature activity, wide temperature window and stability, and can meet the Euro V emission standard when matched with the whole machine. The products are suitable for light-duty diesel vehicles (such as cars, SUVs, MPVs) on roads, heavy-duty diesel vehicles (such as buses, heavy trucks, forklifts, etc.), as well as other non-road use diesel engine fixed equipment or devices.

Selective catalytic reduction (SCR) catalyst is a high-tech product widely used in thermal power plants, coal-fired power plants, waste incineration plants, iron and steel plants, fertilizer plants, nitric acid plants, cement plants, petrochemical chemical plants and other industries which need to reduce the NOx emissions. Selective catalytic reduction (SCR) catalyst is a denitration catalyst in the appropriate temperature, using ammonia (NH3) as the reducing agent, take the advantage of the reducing agent selective, preferentially reaction with industrial flue gas of nitrogen oxide (NOx), NOx is converted into no pollution of nitrogen and water, and NOx reduction efficiency is as high as above 90%. our SCR de-nitrogen catalyst was made by using cordierite honeycomb ceramics as the support, using TiO2、CuO、V2O5、Rare earth and WO3 as the main active components. It has great advantages in strength and prevention of fly ash clogging , wearing and anti-poisoning.

Seerianumber.katsealusteTehnilised andmed
1Carrier specifications150×150×50, Wall thickness= 3.7±0.1
2NOx concentration ≤5000ppm
3Reductive agentLiquid ammonia, ammonia water or urea
4Space velocity3000~10000 h-1
5operation temperature                                        Optimal operation temperature150°C-420°C                                        260°C-300°C
6NOx concentration ≥90﹪
7Teenimisaeg≥2 aastat
8Ammonia escape ratio≤30ppm
9Puistetiheduse0.72±0.05g/ml
10Purustusjõud≥14 MPa(Front)                                        ≥4 MPa(Side)
11Coating loading> 8.0%
12Active Metal oxide loading> 9.0%
13Expulsion rate< 1%
14VälimusPuhas must
15PakendMoisture-proof and Sealed

Kiire täpsus:

1. Good low temperature activity and wide temperature window 2. Excellent hydrothermal aging and sulfur resistance 3. Low ammonia release 4. Low environmental toxicity

Konkurentsivõimeline eelis:

1. Väärismetallide hea dispersioon;

2. Madalam süttimistemperatuur;

3. hea kõrge temperatuuritaluvus;

4. Hea antitoksilisus

5. Eluea näitajad: 50,000 200,000 kilomeetrit kasutusel olevatel sõidukitel ja XNUMX XNUMX kilomeetrit uutel seeriasõidukitel.

Rakendused

Mootorsõidukite heitgaaside järeltöötluse katalüsaator ja muundur

— DOC/DPF/SCR: katalüsaatorid kergetele ja rasketele diiselsõidukitele (Hiina III, Hiina IV, Hiina V ja Hiina VI)

Tehnilised parameetrid

Enamikku spetsifikatsioone saab teha ja harvemini kasutatavaid spetsifikatsioone saab kohandada. Järgmised spetsifikatsioonid on viitamiseks.

KASUTUSALAkujuAukude arvSeina paksus (mm)Välisläbimõõt või pika ja lühikese läbimõõdu vahemik (mm)Kõrgusvahemik (mm)Tolerantsi vahemik (mm)
SCR Carrier - Below China VIsilindriline300/50.130 0.025 ±143.8-330.276.2-178± 1.5
300/60.165 0.025 ±
300/70.178 0.025 ±
300/80.200 0.025 ±
SCR Carrier - Country VIsilindriline400/40.114 0.025 ±150-330.280-155± 1.5

600/3

0.080 0.025 ±

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