http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113975949-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D2251-2062 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-346 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-343 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-8631 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-86 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-34 |
| filingDate | 2021-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-03-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-03-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113975949-B |
| titleOfInvention | Flue gas denitration device in petrochemical industry and use method thereof |
| abstract | The invention relates to the technical field of flue gas treatment, in particular to a flue gas denitration device in petrochemical industry and a using method thereof, wherein the flue gas denitration device comprises an SNCR reaction unit, a waste heat boiler, an SCR reaction unit, an air preheater, an electric dust remover, a desulfurization unit and a chimney which are sequentially connected along the flue gas direction; the SNCR reaction unit includes the boiler and locates spray gun on the boiler, the spray gun communicates ammonia air supply and air source respectively, SCR reaction unit is including locating the mixing arrangement of flue horizontal segment and locating the SCR reactor of the vertical section of flue, pack the molecular sieve catalyst that has two activity centers in the SCR reactor, mixing arrangement communicates ammonia air supply and air source respectively, the desulfurization unit includes the desulfurizing tower. According to the invention, SNCR and SCR technologies are combined for denitration, a catalyst with double active centers is used for catalysis, and a high-efficiency mixing device is used for ammonia supplementation, so that the denitration efficiency is high, and the denitration operation cost is low. |
| priorityDate | 2021-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 22.