CN208512279U - A kind of coke oven flue gas dirt sulphur nitre integration minimum discharge process unit - Google Patents
A kind of coke oven flue gas dirt sulphur nitre integration minimum discharge process unit Download PDFInfo
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- CN208512279U CN208512279U CN201821034717.8U CN201821034717U CN208512279U CN 208512279 U CN208512279 U CN 208512279U CN 201821034717 U CN201821034717 U CN 201821034717U CN 208512279 U CN208512279 U CN 208512279U
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- Prior art keywords
- flue gas
- coke oven
- ceramic catalytic
- venturi mixer
- minimum discharge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a kind of coke oven flue gas dirt sulphur nitre integration minimum discharge process units, it include venturi mixer, ceramic catalytic filtration reactor, the import of venturi mixer is connected with flue, the feed bin of storage reaction raw material is connected on flue, desulfurization fume pipeline is connected between the outlet of venturi mixer and the import of ceramic catalytic filtration reactor, multiple ceramic catalytic chimney filters are equipped in ceramic catalytic filtration reactor, the outlet of ceramic catalytic filtration reactor is connected by purifying smoke pipeline with chimney.The utility model is applied to coke oven flue gas minimum discharge environmental protection technology and field is transformed, and can make coke oven flue gas NOx, SO2The requirement of minimum discharge index is respectively reached with the discharge index of dirt.
Description
Technical field
The utility model relates to coke oven flue gas to discharge field of purification, and it is super to particularly belong to a kind of coke oven flue gas dirt sulphur nitre integration
Low emission process unit.
Background technique
Currently, the coke oven flue exhaust gas of coke-oven plant has the following characteristics that 1. stack gases temperature are lower, generally at 180 DEG C
Between~250 DEG C；2. the SO for using coke-stove gas as the coke-oven plant of heat source, in stack gases2Content generally 100~
150mg/Nm3Between, the enterprise relatively high for organic sulfur content in feed coal, the SO in coke oven flue exhaust gas2Content is reachable
350mg/Nm3；3., can be by NO by means such as exhaust gas recirculation, segmentally heating technologies for creating coke-oven plantXContent is effective
Control is in < 500mg/Nm3.It is for existing enterprise or especially regional, NO can not be met by improving coke oven heating techniqueXDischarge mark
Alignment request, it is necessary to take denitrification after flue gas.4. the oxygen content in coke oven flue exhaust gas is lower, and about 10%.Water content is then
Different, about 15-20% when being heated using coke-stove gas with the difference of coke oven heating medium, when being heated using mixed gas about
For 5-10%.5. the temperature (it is hot standby that coking industry is referred to as chimney) that must keep 130 DEG C or more inside coke oven chimney, is drawing
When blower breaks down, it can guarantee that coke oven chimney can also provide stable pressure export condition for coke making process, without influencing
The production of entire coke oven, so the too low wet processing of exhaust gas temperature is restricted in the application of coking industry.
Utility model content
The purpose of the utility model is to provide a kind of coke oven flue gas dirt sulphur nitre integration minimum discharge process units, are applied to
Field is transformed in coke oven flue gas minimum discharge environmental protection technology, can make coke oven flue gas NOx, SO2It is respectively reached with the discharge index of dirt super
The requirement of low emission index.
The technical solution adopted in the utility model is as follows:
A kind of coke oven flue gas dirt sulphur nitre integration minimum discharge process unit, includes venturi mixer, ceramic catalytic
Filtration reactor, the import of venturi mixer are connected with flue, the material of storage reaction raw material are connected on flue
Storehouse, flue gas and reaction raw materials carry out hybrid reaction, the outlet of venturi mixer and ceramics in the reaction zone of venturi mixer
It is connected with desulfurization fume pipeline between the import of oxidation catalyst filter reactor, is equipped with multiple ceramics in ceramic catalytic filtration reactor and urges
Change chimney filter, the outlet of ceramic catalytic filtration reactor is connected by purifying smoke pipeline with chimney.
The venturi mixer includes venturi, diffuser, straight section pipe, and is made using Q345 carbon steel.
The venturi mixer, ceramic catalytic filtration reactor are connect with electric instrument robot control system(RCS) phase control respectively.
Compared with prior art, the advantageous effects of the utility model are as follows:
Dustless sulphur flue gas of the utility model after desulfurization and dedusting passes through low-temperature denitration, is suitable for coke oven flue gas low temperature
Denitration operation, catalyst poisoning probability is small, long service life, and catalyst is evenly distributed on complicated ceramic fibre, cigarette
Gas oxidation catalyst filter is thorough, and denitration efficiency is high, can reach 99%.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Referring to attached drawing, a kind of coke oven flue gas dirt sulphur nitre integration minimum discharge process unit, includes venturi mixer
1, ceramic catalytic filtration reactor 2, the import of venturi mixer 1 are connected with flue 3, are connected with and deposit on flue 3
It stores up the feed bin 4 of reaction raw materials, flue gas and reaction raw materials and carries out hybrid reaction in the reaction zone of venturi mixer 1, venturi is mixed
Desulfurization fume pipeline 5 is connected between the outlet of clutch 1 and the import of ceramic catalytic filtration reactor 2, ceramic catalytic filtering is anti-
It answers and is equipped with multiple ceramic catalytic chimney filters in device 2, the outlet of ceramic catalytic filtration reactor 2 passes through purifying smoke pipeline 6 and chimney 7
It is connected；Venturi mixer 1 includes venturi, diffuser, straight section pipe, and is made using Q345 carbon steel；Venturi is mixed
Clutch 1, ceramic catalytic filtering 2 devices of reaction are connect with electric instrument robot control system(RCS) phase control respectively.
The powder cabin of the utility model is flue gas and reaction raw materials for storing flue gas disposition reaction raw materials, venturi mixer
Mixed reaction vessel, for removing SO2Equal sour gas；Ceramic catalytic filtration reactor is purifying smoke reaction vessel, is used for
Remove SO2, dust and NOX, chimney is neat stress discharge outlet.
Claims (3)
1. a kind of coke oven flue gas dirt sulphur nitre integration minimum discharge process unit, which is characterized in that include venturi mixer,
Ceramic catalytic filtration reactor, the import of venturi mixer are connected with flue, are connected with storage reaction on flue
The feed bin of raw material, flue gas and reaction raw materials carry out hybrid reaction in the reaction zone of venturi mixer, and venturi mixer goes out
It is connected with desulfurization fume pipeline between mouth and the import of ceramic catalytic filtration reactor, is equipped in ceramic catalytic filtration reactor more
The outlet of a ceramic catalytic chimney filter, ceramic catalytic filtration reactor is connected by purifying smoke pipeline with chimney.
2. coke oven flue gas dirt sulphur nitre integration minimum discharge process unit according to claim 1, which is characterized in that described
Venturi mixer includes venturi, diffuser, straight section pipe, and is made using Q345 carbon steel.
3. coke oven flue gas dirt sulphur nitre integration minimum discharge process unit according to claim 1, which is characterized in that described
Venturi mixer, ceramic catalytic filtration reactor are connect with electric instrument robot control system(RCS) phase control respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034717.8U CN208512279U (en) | 2018-07-02 | 2018-07-02 | A kind of coke oven flue gas dirt sulphur nitre integration minimum discharge process unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034717.8U CN208512279U (en) | 2018-07-02 | 2018-07-02 | A kind of coke oven flue gas dirt sulphur nitre integration minimum discharge process unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208512279U true CN208512279U (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821034717.8U Active CN208512279U (en) | 2018-07-02 | 2018-07-02 | A kind of coke oven flue gas dirt sulphur nitre integration minimum discharge process unit |
Country Status (1)
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| CN (1) | CN208512279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781375A (en) * | 2020-12-23 | 2021-05-11 | 合肥恒力装备有限公司 | Energy-conserving exhaust purification integral type fritting furnace structure |
| CN116651169A (en) * | 2023-08-01 | 2023-08-29 | 昆明理工大学 | Dust removal system and dust removal process for flue gas desulfurization and denitrification of tubular furnace |
-
2018
- 2018-07-02 CN CN201821034717.8U patent/CN208512279U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781375A (en) * | 2020-12-23 | 2021-05-11 | 合肥恒力装备有限公司 | Energy-conserving exhaust purification integral type fritting furnace structure |
| CN116651169A (en) * | 2023-08-01 | 2023-08-29 | 昆明理工大学 | Dust removal system and dust removal process for flue gas desulfurization and denitrification of tubular furnace |
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