CN215693077U - Coke oven flue gas comprehensive purification system utilizing SDA (SDA) semidry desulfurization - Google Patents
Coke oven flue gas comprehensive purification system utilizing SDA (SDA) semidry desulfurization Download PDFInfo
- Publication number
- CN215693077U CN215693077U CN202120298409.1U CN202120298409U CN215693077U CN 215693077 U CN215693077 U CN 215693077U CN 202120298409 U CN202120298409 U CN 202120298409U CN 215693077 U CN215693077 U CN 215693077U
- Authority
- CN
- China
- Prior art keywords
- sda
- desulfurization
- flue gas
- coke oven
- flue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 77
- 230000023556 desulfurization Effects 0.000 title claims abstract description 77
- 239000003546 flue gas Substances 0.000 title claims abstract description 54
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000000571 coke Substances 0.000 title claims abstract description 42
- 238000000746 purification Methods 0.000 title claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 60
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000000919 ceramic Substances 0.000 claims abstract description 46
- 230000003197 catalytic effect Effects 0.000 claims abstract description 45
- 238000000889 atomisation Methods 0.000 claims abstract description 34
- 239000000428 dust Substances 0.000 claims abstract description 33
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 230000007704 transition Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 13
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 6
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000003009 desulfurizing effect Effects 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 1
- 238000010408 sweeping Methods 0.000 claims 1
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 abstract 1
- 230000008569 process Effects 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model provides a coke oven flue gas comprehensive purification system utilizing SDA (draft-A-draft-coal) semi-dry desulfurization, which comprises a raw flue, a SDA semi-dry desulfurization module, a transition flue, a ceramic catalytic filter bag module, a clean flue and a chimney, wherein the raw flue, the SDA semi-dry desulfurization module, the transition flue, the ceramic catalytic filter bag module, the clean flue and the chimney are sequentially arranged along the flow direction of coke oven flue gas, the SDA semi-dry desulfurization module comprises a slurry atomization system and an SDA desulfurization tower, coke oven flue gas enters from the slurry atomization system through the raw flue and is fully mixed and reacted with desulfurizer slurry sprayed by the slurry atomization system, the slurry atomization system is arranged at the top of the SDA desulfurization tower, the coke oven flue gas desulfurized by the SDA desulfurization tower is connected to the ceramic catalytic filter bag module for denitration and dust removal, the ceramic catalytic filter bag module is connected to the chimney through the clean flue, and the flue gas desulfurized, denitrified and dedusted is sequentially discharged to the atmosphere through the clean flue and the chimney. The system has rapid and sufficient reaction, higher desulfurization, denitrification and dust removal efficiency, capability of removing pollutants such as heavy metal, dioxin and the like in a synergistic manner and low ammonia escape rate.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of flue gas purification, in particular to a coke oven flue gas comprehensive purification system for desulfurization by using a SDA (SDA) semidry method.
[ background of the utility model ]
The coke oven smoke, namely the waste gas generated after the fuel is heated and combusted on the coke oven, the smoke components are different according to the coke oven type, the production process, the fuel type and the like, and SO in the smoke2And NOx concentration range is wide and reaches 50-600mg/m3And 400-1200mg/m3The temperature of the flue gas is lower, and is generally at 190 ℃ and 280 ℃. Because of the influence of the coke oven flue gas characteristics, the application of various desulfurization and denitrification processes is restricted by different degrees, and the actual process is at present at home and abroadIn the engineering, flue gas purification technologies such as SCR denitration, dedusting, ammonia desulfurization, SCR denitration, dedusting, calcium-based SDA semi-dry desulfurization, dedusting, medium-low temperature SCR denitration, activated carbon dry desulfurization and denitration are mainly adopted to control SO in coke oven flue gas2And NOx emissions.
The existing desulfurization technology has the following defects:
1. when the flue gas of the coke oven is purified by adopting the processes of SCR denitration, dedusting and ammonia desulphurization, the ammonia desulphurization easily causes acid corrosion to a chimney, the equipment maintenance cost is high, and the ammonium bisulfate generated by preposed denitration influences the stability of the catalyst.
2. When the SCR denitration, dedusting and calcium-based SDA semi-dry desulfurization process is adopted, ammonium bisulfate generated by preposed denitration influences the stability of the catalyst, and the method has large floor area and high energy consumption.
3. When the calcium-based SDA semi-dry desulfurization, dedusting and medium-low temperature SCR denitration process is adopted, the occupied area is large, and the energy consumption is high.
4. When the activated carbon dry desulfurization and denitrification process is adopted, the materials are easy to burn, the temperature drop of the flue gas is large, and the one-time investment and operation cost are high.
[ Utility model ] content
The utility model aims to solve the problems in the prior art, provides a coke oven flue gas comprehensive purification system for desulfurization by using a SDA (SDA) semidry method, has rapid and sufficient reaction and higher desulfurization, denitrification and dust removal efficiency, can remove pollutants such as heavy metal, dioxin and the like in a synergistic manner, and has low ammonia escape rate.
In order to achieve the purpose, the utility model provides a coke oven flue gas comprehensive purification system utilizing SDA (draft-A-draft-A) semi-dry desulfurization, which comprises an original flue, a SDA semi-dry desulfurization module, a transition flue, a ceramic catalytic filter bag module, a clean flue and a chimney which are sequentially arranged along the flow direction of coke oven flue gas, wherein the SDA semi-dry desulfurization module is arranged at the downstream of the original flue, the SDA semi-dry desulfurization module comprises a slurry atomization system and a SDA desulfurization tower, the outlet of the original flue is connected with the slurry atomization system, the coke oven flue gas enters from the slurry atomization system through the original flue and is fully mixed and reacted with desulfurizer slurry sprayed by the slurry atomization system, the slurry atomization system is arranged at the top of the SDA desulfurization tower, the SDA desulfurization tower is connected with the ceramic catalytic filter bag module through the transition flue, and the coke oven flue gas desulfurized by the SDA desulfurization tower is connected with the ceramic catalytic filter bag module for denitration, And (3) dedusting, wherein the ceramic catalytic filter bag module is connected with a chimney through a clean flue, and the flue gas subjected to desulfurization, denitration and dedusting is discharged into the atmosphere through the clean flue and the chimney in sequence.
Preferably, the SDA semi-dry desulfurization module further comprises a desulfurizer powder bin and a slurry preparation system, wherein the desulfurizer powder bin is connected with the slurry preparation system, a desulfurizer in the desulfurizer powder bin is mixed with water in the slurry preparation system to form desulfurizer slurry, the output end of the slurry preparation system is connected with the slurry atomization system, and the desulfurizer slurry is uniformly sprayed into the SDA desulfurization tower through the slurry atomization system.
Preferably, the desulfurizing agent slurry is a sodium carbonate or sodium bicarbonate solution.
Preferably, the ceramic catalytic filter bag module comprises an ammonia injection device and a ceramic catalytic filter bag, the SDA desulfurization tower is connected with the ammonia injection device through a transition flue, and a denitration reducing agent injected by the ammonia injection device is contacted with desulfurized coke oven flue gas and jointly enters the ceramic catalytic filter bag for denitration and dust removal.
Preferably, the ceramic catalytic filter bag comprises a main reaction chamber, a plurality of groups of ceramic catalytic filter tubes arranged in the main reaction chamber, an ash removal device, a discharge hopper arranged at the bottom of the main reaction chamber and an air outlet chamber arranged at the top of the main reaction chamber, the denitration reducing agent sprayed by the ammonia spraying device and the flue gas of the desulfurization coke oven are mixed and enter the main reaction chamber, catalytic reduction reaction is carried out at the ceramic catalytic filter tubes to complete denitration, large-particle dust in the main reaction chamber falls into the discharge hopper under the action of gravity, small-particle dust is deposited on the ceramic catalytic filter tubes, the ash removal device is used for blowing the small-particle dust on the ceramic catalytic filter tubes into the discharge hopper to complete dust removal, the air outlet chamber is connected with a chimney through a clean flue, and the flue gas after desulfurization, denitration and dust removal is discharged into the atmosphere through the air outlet chamber, the clean flue and the chimney in sequence.
Preferably, an ammonia oxidation catalyst layer is further provided in the gas outlet chamber.
Preferably, the slurry atomization system adopts an SDA atomization nozzle, and the material is nickel-based alloy.
The utility model has the beneficial effects that: the dust removal and denitration integrated device disclosed by the utility model has the advantages that the desulfurized flue gas can directly enter the ceramic catalytic filter bag for reaction without a temperature rise device, the layout is reasonable, the occupied area is small, the process technology is simple and practical, the operation is stable, and the maintenance is convenient. Low power consumption and water consumption, avoids the corrosion of equipment and a chimney, and does not generate waste water. The desulfurizer has wide source, low cost and less byproducts. The integrated catalyst has the advantages of high efficiency, corrosion resistance, high temperature resistance and desulfurization function.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of a coke oven flue gas comprehensive purification system for desulfurization by SDA semi-dry method.
[ detailed description ] embodiments
Referring to fig. 1, the coke oven flue gas comprehensive purification system utilizing the SDA semi-dry desulfurization comprises an original flue 1, a SDA semi-dry desulfurization module 2, a transition flue 3, a ceramic catalytic filter bag module 4, a flue cleaning duct 5 and a chimney 6 which are sequentially arranged along the flow direction of the coke oven flue gas, wherein the SDA semi-dry desulfurization module 2 is arranged at the downstream of the original flue 1, the SDA semi-dry desulfurization module 2 comprises a slurry atomization system 23 and a SDA desulfurization tower 24, an outlet of the original flue 1 is connected to the slurry atomization system 23, the coke oven flue gas enters from the slurry atomization system 23 through the original flue 1 and is fully mixed and reacted with a desulfurizer slurry sprayed from the slurry atomization system 23, the slurry atomization system 23 is arranged at the top of the SDA desulfurization tower 24, the SDA desulfurization tower 24 is connected to the ceramic catalytic filter bag module 4 through the transition flue 3, and the coke oven flue gas desulfurized by the SDA desulfurization tower 24 is connected to the ceramic catalytic filter bag module 4 for denitration, And (3) removing dust, wherein the ceramic catalytic filter bag module 4 is connected with a chimney 6 through a clean flue 5, and the flue gas subjected to desulfurization, denitrification and dust removal is discharged into the atmosphere through the clean flue 5 and the chimney 6 in sequence.
Further, the SDA semi-dry desulfurization module 2 further includes a desulfurizer powder bin 21 and a slurry preparation system 22, the desulfurizer powder bin 21 is connected to the slurry preparation system 22, a desulfurizer in the desulfurizer powder bin 21 is mixed with water in the slurry preparation system 22 to form a desulfurizer slurry, an output end of the slurry preparation system 22 is connected to a slurry atomization system 23, and the desulfurizer slurry is uniformly sprayed into the SDA desulfurization tower 24 through the slurry atomization system 23. The desulfurizing agent slurry is sodium carbonate or sodium bicarbonate solution.
Further, the ceramic catalytic filter bag module 4 comprises an ammonia injection device 41 and a ceramic catalytic filter bag 42, the SDA desulfurization tower 24 is connected to the ammonia injection device 41 through the transition flue 3, and a denitration reducing agent injected by the ammonia injection device 41 contacts with desulfurized coke oven flue gas and jointly enters the ceramic catalytic filter bag 42 for denitration and dust removal. In this example, ammonia was used as the denitration reducing agent. Specifically, the ceramic catalytic filter bag 42 comprises a main reaction chamber 43, a plurality of groups of ceramic catalytic filter tubes 45 arranged in the main reaction chamber 43, a dust removing device 46, a discharge hopper 44 arranged at the bottom of the main reaction chamber 43, and an air outlet chamber 47 arranged at the top of the main reaction chamber 43, the denitration reducing agent sprayed by the ammonia spraying device 41 and the flue gas of the desulfurization coke oven are mixed and enter the main reaction chamber 43, catalytic reduction reaction occurs at the ceramic catalytic filter tube 45 to complete denitration, large particle dust in the main reaction chamber 43 falls into the discharge hopper 44 under the action of gravity, small particle dust is deposited on the ceramic catalytic filter tube 45, the ash removal device 46 is used for blowing the small particle dust on the ceramic catalytic filter tube 45 into the discharge hopper 44 to complete dust removal, the air outlet chamber 47 is connected with the chimney 6 through the clean flue 5, and the flue gas after desulfurization, denitration and dust removal is discharged into the atmosphere through the air outlet chamber 47, the clean flue 5 and the chimney 6 in sequence.
Further, an ammonia oxidation catalyst layer can be optionally arranged in the gas outlet chamber 47 for realizing low ammonia escape.
Further, the slurry atomization system 23 adopts an SDA atomization nozzle made of nickel-based alloy, and the flue gas and the desulfurizer slurry leave the slurry atomization system 23 and enter the SDA desulfurization tower 24 at a relative speed of 160-200 m/s.
The working process of the utility model is as follows:
the utility modelA coke oven flue gas comprehensive purification system utilizing SDA semi-dry desulphurization, wherein in the using process, an SDA semi-dry desulphurization module 2 is arranged at the downstream of an original flue 1 and is used for SO2And (4) controlling. The desulfurizer sodium carbonate or sodium bicarbonate in the desulfurizer powder bin 21 is mixed with water in the slurry preparation system 22 to form desulfurizer slurry, the desulfurizer slurry is uniformly sprayed into the SDA desulfurization tower 24 from the top through the slurry atomization system 23, the coke oven flue gas enters from the slurry atomization system 23 at the top of the SDA desulfurization tower 24 through the original flue 1, and the desulfurizer sodium carbonate or sodium bicarbonate is fully mixed and reacted with the sodium carbonate or sodium bicarbonate solution to complete desulfurization. The desulfurized coke oven flue gas enters a ceramic catalytic filter bag module 4 from a transition flue 3. The ceramic catalyzed filter bag module 4 is used for NOx and dust control. The ammonia injection device 41 injects denitration reducing agent ammonia, contacts with desulfurized coke oven flue gas, and enters the main reaction chamber 43 together, and catalytic reduction reaction occurs at the ceramic catalytic filter tube 45 to complete denitration. The large-particle dust falls into the discharge hopper 44 under the action of gravity, the small-particle dust is deposited on the ceramic catalytic filter tube 45, and the ash removal device 46 sweeps the small-particle dust on the ceramic catalytic filter tube 45 into the discharge hopper 44 to complete dust removal. The flue gas after desulfurization, denitrification and dust removal is discharged into the atmosphere through the gas outlet chamber 47, the clean flue 5 and the chimney 6 in sequence.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. A coke oven flue gas comprehensive purification system utilizing SDA semi-dry desulfurization is characterized in that: the device comprises an original flue (1), a SDA (first aid system) semi-dry desulfurization module (2), a transition flue (3), a ceramic catalytic filter bag module (4), a clean flue (5) and a chimney (6) which are sequentially arranged along the flowing direction of coke oven flue gas, wherein the SDA semi-dry desulfurization module (2) is arranged at the downstream of the original flue (1), the SDA semi-dry desulfurization module (2) comprises a slurry atomization system (23) and a SDA desulfurization tower (24), the outlet of the original flue (1) is connected with the slurry atomization system (23), the coke oven flue gas enters from the slurry atomization system (23) through the original flue (1) and is fully mixed and reacted with desulfurizer slurry sprayed by the slurry atomization system (23), the slurry atomization system (23) is arranged at the top of the SDA desulfurization tower (24), the SDA desulfurization tower (24) is connected with the ceramic catalytic filter bag module (4) through the transition flue (3), and the flue gas desulfurized by the SDA desulfurization tower (24) is connected with the ceramic catalytic filter bag module (4) for desulfurization And (2) carrying out nitre and dust removal, wherein the ceramic catalytic filter bag module (4) is connected with a chimney (6) through a clean flue (5), and the flue gas subjected to desulfurization, denitration and dust removal is discharged into the atmosphere through the clean flue (5) and the chimney (6) in sequence.
2. The coke oven flue gas comprehensive purification system for desulfurization by SDA semi-dry method according to claim 1, characterized in that: the SDA semi-dry desulfurization module (2) further comprises a desulfurizer powder bin (21) and a slurry preparation system (22), wherein the desulfurizer powder bin (21) is connected with the slurry preparation system (22), a desulfurizer in the desulfurizer powder bin (21) is mixed with water in the slurry preparation system (22) to form desulfurizer slurry, the output end of the slurry preparation system (22) is connected with the slurry atomization system (23), and the desulfurizer slurry is uniformly sprayed into the SDA desulfurization tower (24) through the slurry atomization system (23).
3. The coke oven flue gas comprehensive purification system for desulfurization by SDA semi-dry method according to claim 1, characterized in that: the desulfurizing agent slurry is sodium carbonate or sodium bicarbonate solution.
4. The coke oven flue gas comprehensive purification system for desulfurization by SDA semi-dry method according to claim 1, characterized in that: the ceramic catalytic filter bag module (4) comprises an ammonia injection device (41) and a ceramic catalytic filter bag (42), the SDA desulfurization tower (24) is connected with the ammonia injection device (41) through a transition flue (3), and a denitration reducing agent injected by the ammonia injection device (41) is contacted with desulfurized coke oven flue gas and jointly enters the ceramic catalytic filter bag (42) for denitration and dust removal.
5. The system for the comprehensive purification of the coke oven flue gas by the SDA semi-dry desulfurization, according to claim 4, is characterized in that: the ceramic catalytic filter bag (42) comprises a main reaction chamber (43), a plurality of groups of ceramic catalytic filter tubes (45) arranged in the main reaction chamber (43), an ash removal device (46), a discharge hopper (44) arranged at the bottom of the main reaction chamber (43) and an air outlet chamber (47) arranged at the top of the main reaction chamber (43), wherein a denitration reducing agent sprayed by an ammonia spraying device (41) and desulfurization coke oven flue gas are mixed and enter the main reaction chamber (43), a catalytic reduction reaction is carried out at the ceramic catalytic filter tubes (45) to complete denitration, large-particle dust in the main reaction chamber (43) falls into the discharge hopper (44) under the action of gravity, small-particle dust is deposited on the ceramic catalytic filter tubes (45), the ash removal device (46) is used for sweeping the small-particle dust on the ceramic catalytic filter tubes (45) into the discharge hopper (44) to complete dust removal, the air outlet chamber (47) is connected with a chimney (6) through a clean flue (5), the flue gas after desulfurization, denitration and dust removal is discharged into the atmosphere through an air outlet chamber (47), a clean flue (5) and a chimney (6) in sequence.
6. The system for the comprehensive purification of the coke oven flue gas by the SDA semi-dry desulfurization according to claim 5, which is characterized in that: an ammonia oxidation catalyst layer is also arranged in the gas outlet chamber (47).
7. The coke oven flue gas comprehensive purification system for desulfurization by SDA semi-dry method according to claim 1, characterized in that: the slurry atomization system (23) adopts an SDA atomization nozzle and is made of nickel-based alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120298409.1U CN215693077U (en) | 2021-02-02 | 2021-02-02 | Coke oven flue gas comprehensive purification system utilizing SDA (SDA) semidry desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120298409.1U CN215693077U (en) | 2021-02-02 | 2021-02-02 | Coke oven flue gas comprehensive purification system utilizing SDA (SDA) semidry desulfurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215693077U true CN215693077U (en) | 2022-02-01 |
Family
ID=80012003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120298409.1U Active CN215693077U (en) | 2021-02-02 | 2021-02-02 | Coke oven flue gas comprehensive purification system utilizing SDA (SDA) semidry desulfurization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215693077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844008A (en) * | 2021-02-02 | 2021-05-28 | 浙江菲达环保科技股份有限公司 | Coke oven flue gas comprehensive purification system utilizing SDA (SDA) semidry desulfurization |
-
2021
- 2021-02-02 CN CN202120298409.1U patent/CN215693077U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844008A (en) * | 2021-02-02 | 2021-05-28 | 浙江菲达环保科技股份有限公司 | Coke oven flue gas comprehensive purification system utilizing SDA (SDA) semidry desulfurization |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101785969B (en) | Method of flue gas purification and system thereof | |
| CN203437036U (en) | Sintering fume desulfurization and denitrification device | |
| CN205199271U (en) | Middle -size and small -size coal fired boiler flue gas dedusting and desulfurizing denitration is treatment equipment in coordination | |
| CN105107349A (en) | A coke oven flue gas desulfurization and denitrification combined purification process and device | |
| WO2005028082A1 (en) | A dry flue gas cleaning process and its system for simultaneously desulfurization and denitrating | |
| CN112844009A (en) | Utilize SDS dry process desulfurization's coke oven flue gas integrated purification system | |
| CN103768903B (en) | A kind of FCC apparatus regenerated flue gas denitrating technique | |
| CN210814645U (en) | A waste incineration flue gas ultra-low emission purification system | |
| CN102350214A (en) | Coal-fired power plant coal dust prepared activated coke flue gas comprehensive purification system and technology | |
| CN103604133A (en) | Flue gas cleaning system and flue gas cleaning process for integrated multi-pollutant removal by dry method | |
| CN204996310U (en) | A coke oven flue gas desulfurization and denitrification combined purification device | |
| CN105169943A (en) | Integrated system for coke oven flue gas desulfurization and denitrification and waste heat recovery | |
| CN209828672U (en) | Grate-rotary kiln SNCR/SCR denitration and active coke desulfurization combined system | |
| CN215782635U (en) | Utilize SDS dry process desulfurization's coke oven flue gas integrated purification system | |
| CN104826489A (en) | Activated carbon and low temperature catalyst-based combined desulfurization denitration fluidized bed device | |
| CN112642275A (en) | Organic waste pyrolysis, gasification, combustion, co-sintering and denitration integrated system and method | |
| CN205127750U (en) | Desulphurization of exhaust gas denitration of coke oven flue and waste heat recovery's integrated system | |
| CN202146717U (en) | Activated coke smoke comprehensive purification system for pulverized coal preparation in coal fired power plants | |
| CN215693077U (en) | Coke oven flue gas comprehensive purification system utilizing SDA (SDA) semidry desulfurization | |
| CN108499344A (en) | A kind of biomass flue gas dust-removal and desulfurizing denitrating system | |
| CN212262910U (en) | Ultra-clean discharge system for desulfurization, denitrification and waste heat recovery of coke oven flue gas | |
| CN206424791U (en) | A kind of device of desulfurization and dedusting denitration for low-temperature flue gas | |
| CN211936311U (en) | Gas power generation boiler waste gas desulfurization and denitrification system | |
| CN208465583U (en) | A kind of biomass flue gas dust-removal and desulfurizing denitrating system | |
| CN111715068A (en) | Ultra-clean discharge system and method for desulfurization, denitrification and waste heat recycling of coke oven flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |