CN216639387U - Decarbonization system and dry quenching system - Google Patents
Decarbonization system and dry quenching system Download PDFInfo
- Publication number
- CN216639387U CN216639387U CN202220221563.3U CN202220221563U CN216639387U CN 216639387 U CN216639387 U CN 216639387U CN 202220221563 U CN202220221563 U CN 202220221563U CN 216639387 U CN216639387 U CN 216639387U
- Authority
- CN
- China
- Prior art keywords
- dry quenching
- air
- decarbonization
- decarburization
- activated carbon
- 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
Images
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The application provides a decarbonization system and a dry quenching system, and belongs to the technical field of dry quenching processes in a coking technology. The device comprises a decarburization device, an air inducing device and an air supply device, wherein an air inlet of the decarburization device is connected with an air outlet of the air inducing device, and an air outlet of the decarburization device is connected with an air inlet of the air supply device; the air inlet of the induced draft device is communicated with the coke dry quenching system, and the air outlet of the air supply device is communicated with the coke dry quenching system; wherein the circulating gas in the dry quenching system flows to a decarbonization device through an induced draft device, and the decarbonization device is used for removing CO in the circulating gas2The circulating gas from the decarbonizing device reaches the dry quenching system through the air supply device. By total or partial removal of dry-quenching cycle gasCO in the body2Thereby reducing CO in the recycle gas re-sent to the dry quenching system2So as to reduce the burning loss of coke in the dry quenching furnace.
Description
Technical Field
The embodiment of the application relates to the technical field of a dry quenching process in a coking technology, in particular to a decarburization system and a dry quenching system.
Background
The dry quenching process is a technology for cooling the incandescent coke and recovering waste heat by using inert gas, and compared with pollution caused by a traditional water quenching mode, the dry quenching process becomes a process technology commonly adopted in a quenching procedure of coking production due to the advantages of energy conservation, environmental protection and the like.
In the production process of dry quenching, the inert circulating gas and incandescent coke perform countercurrent heat exchange in a cooling section of the dry quenching furnace, and the cooled coke is conveyed to a subsequent screening coke conveying system through a dry quenching discharge device. And the inert gas after heat exchange in the cooling section enters a primary dust remover through a chute of the dry quenching furnace, the high-temperature inert gas after gravity dust removal exchanges heat in a dry quenching waste heat boiler, the boiler generates high-temperature and high-pressure steam, the low-temperature inert circulating gas enters a secondary dust remover from the bottom of the boiler, and the low-temperature dry quenching circulating gas enters the dry quenching furnace again through a dry quenching gas circulating fan and a feed water preheater, so that the dry quenching gas circulating system is obtained. In the dry quenching gas circulation system, the main component of the circulating gas which circularly flows is N2(nitrogen content: 73%) and a small amount of CO2(carbon dioxide content: 12.3%), CO (carbon monoxide), O2(oxygen), H2(Hydrogen gas), H2O (water vapor), and the like.
The dry quenching furnace is a device for cooling red coke, during the production process of dry quenching, combustible gas components in circulating gas can gradually rise, and the combustible and explosive gas components must be controlled below a standard value, so that a small amount of air needs to be introduced during the production process, redundant combustible gas is burnt, and the circulating gas can safely and stably flow.
When the circulating gas passes through the hot coke layer, CO in the circulating gas is in a certain temperature range2、O2、H2、H2A complex series of chemical reactions between O and incandescent coke C also occur. Wherein CO is used as2Reduction reaction with C and O2Mainly takes oxidation reaction with C, which can cause the loss of coke and carbon powder in the dry quenching furnace, namely the burning loss of the dry quenching coke.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a decarbonization system and a dry quenching system, and aims to solve the problem of coke burning loss in the process of reducing dry quenching.
The first aspect of the embodiment of the application provides a decarbonization system, which is applied to a dry quenching system and comprises a decarbonization device, an air inducing device and an air supply device, wherein an air inlet of the decarbonization device is connected with an air outlet of the air inducing device, and an air outlet of the decarbonization device is connected with an air inlet of the air supply device;
the air inlet of the induced draft device is communicated with the coke dry quenching system, and the air outlet of the air supply device is communicated with the coke dry quenching system;
wherein the circulating gas in the dry quenching system flows to a decarbonization device through an air inducing device, and the decarbonization device is used for removing CO in the circulating gas2The circulating gas from the decarbonizing device reaches the dry quenching system through the air supply device.
Optionally, a denitration device is further included, and the denitration device is located between the air inducing device and the decarburization device, or the denitration device is located between the decarburization device and the air supply device; wherein the denitration device is used for removing nitrogen oxides in the gas flowing into the denitration device.
Optionally, the system further comprises a desulfurization device, wherein the desulfurization device is positioned between the induced draft device and the decarburization device, or the desulfurization device is positioned between the decarburization device and the air supply device; wherein the desulfurization device is used for removing sulfide in the gas flowing into the desulfurization device.
Optionally, the desulfurization device adopts an activated carbon adsorption tower;
the device comprises an active carbon adsorption tower, and is characterized by further comprising an active carbon desorption tower, wherein the feeding end and the discharging end of the active carbon desorption tower are both connected with the active carbon adsorption tower, the active carbon desorption tower is used for receiving the used active carbon in the active carbon adsorption tower and desorbing sulfides and nitrides in the active carbon, and the active carbon after desorption and reduction is conveyed to the active carbon adsorption tower.
A second aspect of the embodiment of the present application provides a dry quenching system, including the decarbonization system as provided in the first aspect of the embodiment of the present application, wherein the dry quenching system includes a dry quenching furnace, a circulating fan and a feed water preheater, an exhaust port of the dry quenching furnace is connected with an air inlet end of the circulating fan, an air outlet end of the circulating fan is connected with an inlet of the feed water preheater, and an outlet of the feed water preheater is connected with an air inlet of the dry quenching furnace;
the air inlet of the induced draft device is connected to the pipeline between the circulating fan and the feed water preheater, and the air outlet of the air supply device is connected to the pipeline between the feed water preheater and the dry quenching furnace.
Optionally, the dry quenching system further comprises a waste heat boiler and a dust removal device;
the waste heat boiler is positioned between the dry quenching furnace and the circulating fan and is used for overheating and cooling the gas flowing into the waste heat boiler;
the dust removal device is positioned between the dry quenching furnace and the circulating fan and is used for filtering gas flowing into the dust removal device.
The application has at least the following advantages: the decarburization system is applied to a dry quenching system and comprises a decarburization device, an air inducing device and an air supply device, wherein an air inlet of the decarburization device is connected with an air outlet of the air inducing device, and an air outlet of the decarburization device is connected with an air inlet of the air supply device; the air inlet of the induced draft device is communicated with the coke dry quenching system, and the air outlet of the air supply device is communicated with the coke dry quenching system; wherein the circulating gas in the dry quenching system flows to a decarbonization device through an air inducing device, and the decarbonization device is used for removing CO in the circulating gas2The circulating gas from the decarbonizing device reaches the dry quenching system through the air supply device.
In the embodiment of the utility model, the circulating gas in the dry quenching system is led out and then the CO in the gas is treated2Performing decarburization treatment by removing CO from the coke dry quenching cycle gas completely or partially2Thereby reducing re-feeding to the dry quenching systemCO in the recycle gas2So as to reduce the burning loss of coke in the dry quenching furnace.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a system flow diagram of a dry quenching system according to an embodiment of the present application;
description of the reference numerals: 1. dry quenching; 2. a first dust remover; 3. a waste heat boiler; 4. a superheater; 5. a reheater; 6. a desulfurization unit; 7. a decarbonization device; 8. a second dust remover; 9. a circulating fan; 10. a feed water preheater; 11. an activated carbon desorption tower; 12. a denitration device; 13. an air inducing device; 14. an air supply device.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example one
Referring to fig. 1, a system flow diagram of a dry quenching system according to an embodiment of the application is shown. As shown in FIG. 1, a decarbonization and decarbonization system is shown that can be used in a dry quenching system. The decarburization system includes a decarburization device 7, an air draft device 13, and an air blowing device 14. An air inlet of the decarburization device 7 is connected with an air outlet of an air inducing device 13, an air outlet of the decarburization device 7 is connected with an air inlet of an air supply device 14, the air inlet of the air inducing device 13 is communicated with a coke dry quenching system, and an air outlet of the air supply device 14 is communicated with the coke dry quenching system. Circulating gas in dry quenching systemFlows into the decarbonization device 7 through the induced draft device 13, and CO in the gas flowing into the decarbonization device 7 is removed by the decarbonization device 72The purified recycle gas is then discharged by the air supply device 14 into the coke dry quenching system.
In one embodiment, the air inducing device 13 and the air supply device 14 can both adopt axial flow fans, and the air inducing device 13, the decarburization device 7 and the air supply device 14 are communicated through pipelines and guide air to flow; the air inducing device 13 and the air supply device 14 are communicated with the coke dry quenching system by pipelines and guide the gas to flow. In other embodiments, both the air inducing device 13 and the air blowing device 14 can adopt induced draft fans.
In the present application, the decarbonization device 7 can be a pressure swing adsorption device (PSA), and is connected to an air inlet and an air outlet of the pressure swing adsorption device respectively through an air outlet of the induced air device 13 and an air inlet of the air supply device 14.
In other embodiments, the carbon dioxide removing method includes, but is not limited to, a chemical absorption method, a physical absorption method, a PAS method, and a membrane separation method, and the decarbonizing device 7 corresponds to a decarbonizing operation means in different methods. The decarbonized and purified circulating gas for dry quenching is sent into the dry quenching furnace 1 again, so that the CO in the circulating gas can be reduced2In order to reduce the burning loss of coke in the dry quenching furnace 1. CO captured by adsorption or by other processes2CO is introduced by means of a regeneration device2Resolved CO, resolved2And the produced regenerated salt can be matched to extract the salt.
The circulating gas recycled in the dry quenching system is pumped out and the carbon element in the circulating gas is decarbonized, so that the CO in the circulating gas during secondary recycling is reduced2The method can effectively reduce the reaction condition of the coke in the dry quenching furnace 1 and the carbon dioxide in the circulating gas, and reduce the coke loss of the dry quenching.
In the present application, a denitration device 12 may be further included in the decarburization system, and the denitration device 12 may be located between the air inducing device 13 and the decarburization device 7, or between the decarburization device 7 and the air blowing device 14. The denitration device 12 is used to remove nitrogen oxides of the gas discharged to the denitration device 12. In this embodiment, the denitration device 12 may be a tank tower, and may adopt a selective catalytic reduction method to perform denitration, and ammonia gas is used as a denitration agent, and is sprayed into the discharged gas in the tank tower, and reacts with nitrogen oxides in the gas to generate nitrogen and water under the catalytic action of a catalyst in combination with oxygen.
In the gas embodiment, the denitration method can also be a selective non-catalytic reduction denitration method, a hearth is used as a reactor, a reducing agent containing amino is sprayed into the hearth, and the reducing agent reacts with nitrogen oxide of gas in the reactor to generate ammonia and water.
In the present application, a desulfurization device 6 may be further included in the decarburization system, and the desulfurization device 6 may be located between the air induction device 13 and the decarburization device 7, or between the decarburization device 7 and the air blowing device 14. The desulfurization unit 6 serves to remove sulfides from the gas discharged to the desulfurization unit 6. The desulfurization mode can adopt activated carbon adsorption desulfurization, and desulphurization unit 6 can adopt an activated carbon adsorption tower, and activated carbon is loaded in the activated carbon adsorption tower, and then the gas discharged into desulphurization unit 6 passes through the activated carbon, so that sulfides, nitrides and other harmful gases in other gases can be adsorbed and filtered.
The circulating gas out of the dry quenching system is subjected to denitration and desulfurization treatment through the denitration device 12 and the desulfurization device 6, so that the content of nitrogen and sulfur in the circulating gas can be reduced, the flue gas is purified, harmful substances are effectively prevented from being accumulated in the circulating gas, and the circulating gas in the dry quenching system can be directly discharged according to the environment-friendly discharge requirement when not used.
In order to improve the utilization rate of the active carbon in the active carbon adsorption tower and save the desulfurization cost, the desulfurization device further comprises an active carbon desorption tower 11, wherein the active carbon desorption tower 11 is used for receiving the active carbon participating in gas desulfurization in the active carbon adsorption tower, and the active carbon can be heated in the active carbon desorption tower 11 in a high-temperature regeneration mode, so that substances adsorbed on the active carbon are desorbed. The regenerated active carbon is reused in the active carbon adsorption tower, so that the active carbon can be recycled for multiple times, and the resource utilization rate is improved. The transportation mode of the activated carbon between the activated carbon adsorption tower and the activated carbon desorption tower 11 includes, but is not limited to, belt transportation, manual transportation, and the like.
In the embodiment, a coke dry quenching system is provided, which comprises an air inducing device 13, a denitration device 12 connected with an outlet of the air inducing device 13, a desulfurization device 6 connected with an outlet of the denitration device 12, a decarburization device 7 connected with an outlet of the desulfurization device 6, and an air supply device 14 connected with an outlet of the decarburization device 7, wherein circulating gas in the coke dry quenching system is led out to the decarburization system through the air inducing device 13 in the decarburization system, after entering the decarburization system, the circulating gas passes through the air inducing device 13, the denitration device 12, the desulfurization device 6, the decarburization device 7 and the air supply device 14 in sequence, and the air supply device 14 finally sends the purified circulating gas into the coke dry quenching system again. The nitrogen oxides in the circulating gas are removed through the denitration device 12, the sulfides, the nitrides and other harmful substances in the gas are further removed through the active carbon in the desulphurization device 6, and finally the gas is decarbonized through the side pressure adsorption device, so that the influence of the sulfides and the nitrides on the decarbonization process is reduced, and the CO in the circulating gas is reduced2The coke in the dry quenching furnace 1 is lost, and the environment is protected.
In conclusion, the circulating gas in the dry quenching system is extracted, and the CO in the circulating gas is partially or completely removed2Thereby reducing CO in the dry quenching system2The possibility of reaction is sent with oxygen and coke, reduces the loss of coke in the dry quenching system, can also purify the circulating gas in the dry quenching system of extraction simultaneously, realizes SOx/NOx control, reaches environmental protection emission requirement.
Example two
Based on the same inventive concept, another embodiment of the present application provides a dry quenching system. The decarburization system of the first embodiment is included.
The dry quenching system comprises a dry quenching furnace 1, a circulating fan 9 and a feed water preheater 10, wherein an air inlet of the circulating fan 9 is connected with an air outlet of the dry quenching furnace 1, an air outlet of the circulating fan 9 is connected with an air inlet of the feed water preheater 10, and an air outlet of the feed water preheater 10 is connected with an air inlet of the dry quenching furnace 1.
In order to obtain high efficiency of the circulating gas during decarburization, the temperature of the circulating gas is not too low, so that the air inlet of the air inducing device 13 in the decarburization system can be connected to the pipeline between the circulating fan 9 and the feed water preheater 10, and the air outlet of the air supply device 14 can be connected to the pipeline between the feed water preheater 10 and the dry quenching furnace 1.
In order to reduce the temperature of the circulating gas discharged from the dry quenching furnace 1, a waste heat boiler 3 is further arranged between the dry quenching furnace 1 and the circulating fan 9, and the waste heat boiler 3 is used for cooling the circulating gas and utilizing the heat of the circulating gas. In this embodiment, the heat recovery steam generator 3 includes a superheater 4 and a reheater 5. The circulating gas enters the waste heat boiler 3 and then sequentially passes through the superheater 4 and the reheater 5, heat exchange is carried out on hot steam in the waste heat boiler 3 twice in the front and back, and the heat utilization rate in the circulating gas is improved.
In order to filter the dust in the circulating gas discharged from the dry quenching furnace 1, a dust removing device is also included in the dry quenching system. In the embodiment, the dust removing device is positioned between the dry quenching furnace 1 and the circulating fan 9, the dust removing device can be two bag-type dust removers, and the first dust remover 2 is positioned between the dry quenching furnace 1 and the waste heat boiler 3 to remove smoke dust in the circulating gas; the second dust remover 8 is positioned between the waste heat boiler 3 and the circulating fan 9 and can further remove dust from the cooled circulating gas.
EXAMPLE III
Based on the same inventive concept, another embodiment of the present application provides a dry quenching method, which is applied to a dry quenching system.
After the circulating gas is discharged from the coke dry quenching furnace 1 in the coke dry quenching system, the circulating gas in the coke dry quenching system is guided to the denitration device 12 through the air inducing device 13, and the nitrogen oxides in the circulating gas are removed through the denitration device 12.
After the denitration device 12 discharges the denitrated and purified gas, the gas is introduced into the desulfurization device 6 through a pipe, and the sulfide in the gas is removed by the desulfurization device 6.
After the desulfurization unit 6 discharges the desulfurized and purified gas, the gas is introduced into the decarbonizing unit 7 through a pipeline, and CO in the gas is removed through the drawbar unit2And the like.
After the decarbonization apparatus 7 discharges the decarbonized gas, the gas is again introduced into the dry quenching furnace 1 in the dry quenching system and used.
In this application embodiment, through the carbon element among the partial desorption or the whole desorption circulating gas to purify gas after, leading-in dry out stove 1 again, thereby reduce the chemical reaction activity of complicacy between dry out stove 1 internal recycle gas and coke, reduce the loss of burning volume of coke, purify back to circulating gas simultaneously, gaseous SOx/NOx control reaches environmental protection emission requirement, protection natural environment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "include", "including" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or terminal device including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such process, method, article, or terminal device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
Claims (6)
1. A decarburization system applied to a dry quenching system is characterized by comprising a decarburization device (7), an air inducing device (13) and an air supply device (14), wherein an air inlet of the decarburization device (7) is connected with an air outlet of the air inducing device (13), and an air outlet of the decarburization device (7) is connected with an air inlet of the air supply device (14);
the air inlet of the air inducing device (13) is used for being communicated with the coke dry quenching system, and the air outlet of the air supply device (14) is communicated with the coke dry quenching system;
wherein the circulating gas in the dry quenching system flows to the decarbonization device (7) through the air inducing device (13), and the decarbonization device (7) is used for removing CO in the circulating gas2And the circulating gas flowing out of the decarburization device (7) reaches the dry quenching system through the air supply device (14).
2. A decarbonization system according to claim 1, characterized in that it further comprises a denitrating device (12), the denitrating device (12) being located between the air-inducing device (13) and the decarbonization device (7), or the denitrating device (12) being located between the decarbonization device (7) and the air-blowing device (14); wherein the denitration device (12) is used for removing nitrogen oxides in the gas flowing into the denitration device (12).
3. A decarbonization system according to claim 1, characterized in that it further comprises a desulfurization device (6), the desulfurization device (6) being located between the air-induction device (13) and the decarbonization device (7), or the desulfurization device (6) being located between the decarbonization device (7) and the air-supply device (14); wherein the desulphurization device (6) is used for removing sulfide in the gas flowing into the desulphurization device (6).
4. A decarbonization system according to claim 3, characterized in that the desulfurization device (6) uses an activated carbon adsorption column;
the device is characterized by further comprising an activated carbon desorption tower (11), wherein the feeding end and the discharging end of the activated carbon desorption tower (11) are connected with the activated carbon adsorption tower, and the activated carbon desorption tower (11) is used for receiving the activated carbon used in the activated carbon adsorption tower, desorbing sulfides and nitrides in the activated carbon and conveying the desorbed and reduced activated carbon to the activated carbon adsorption tower.
5. A dry quenching system, characterized by comprising the decarburization system of any one of claims 1 to 4, wherein the dry quenching system comprises a dry quenching furnace (1), a circulating fan (9) and a feed water preheater (10), the exhaust port of the dry quenching furnace (1) is connected with the air inlet end of the circulating fan (9), the air outlet end of the circulating fan (9) is connected with the inlet of the feed water preheater (10), and the outlet of the feed water preheater (10) is connected with the air inlet of the dry quenching furnace (1);
an air inlet of the air inducing device (13) is connected to a pipeline between the circulating fan (9) and the water supply preheater (10), and an air outlet of the air supply device (14) is connected to a pipeline between the water supply preheater (10) and the dry quenching furnace (1).
6. A dry quenching system as claimed in claim 5, characterized in that the system further comprises a waste heat boiler (3) and a dust removal device;
the waste heat boiler (3) is positioned between the dry quenching furnace (1) and the circulating fan (9), and the waste heat boiler (3) is used for overheating and cooling gas flowing into the waste heat boiler (3);
the dust removal device is located between the dry quenching furnace (1) and the circulating fan (9), and is used for filtering gas flowing into the dust removal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220221563.3U CN216639387U (en) | 2022-01-26 | 2022-01-26 | Decarbonization system and dry quenching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220221563.3U CN216639387U (en) | 2022-01-26 | 2022-01-26 | Decarbonization system and dry quenching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216639387U true CN216639387U (en) | 2022-05-31 |
Family
ID=81728907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220221563.3U Active CN216639387U (en) | 2022-01-26 | 2022-01-26 | Decarbonization system and dry quenching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216639387U (en) |
-
2022
- 2022-01-26 CN CN202220221563.3U patent/CN216639387U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108579369B (en) | Coke oven flue gas multi-pollutant cooperative treatment system and method | |
| CN104689679B (en) | Desulfurization and denitrification process for coke oven flue gas | |
| CN109794146A (en) | A kind of grate kiln SNCR/SCR denitration and active coke desulphurizing combined system and technique | |
| TW201231147A (en) | Exhaust gas treatment method and apparatus | |
| CN102233238A (en) | System and method for controlling and reducing NOx emissions | |
| CN109482049B (en) | Dry desulfurization, denitrification and purification integrated process for coke oven flue gas | |
| CN107115775B (en) | Iron ore sintering flue gas sectional enrichment self-heat exchange emission reduction SOxAnd NOxMethod of producing a composite material | |
| WO2022033512A1 (en) | Near-zero emission type flue gas multi-pollutant integrated removal system and method | |
| CN110484283B (en) | Comprehensive recovery process and system for coking waste heat | |
| CN110437849B (en) | Dry quenching and coke oven flue gas combined purification process and system | |
| CN110496527A (en) | A kind of method of coke oven flue exhuast gas desulfurization denitration | |
| CN205381962U (en) | Molten sulfur degasification system | |
| CN103768918B (en) | A kind of Caprolactam unit exhaust purifying method and device | |
| CN108704474B (en) | Coke oven flue gas and Claus tail gas combined treatment process | |
| CN108654363A (en) | Couple waste heat of coke-oven flue gas and amounts of sulphur contaminants acid-making process | |
| CN212575985U (en) | Ultralow emission treatment system for coke oven flue gas | |
| CN216639387U (en) | Decarbonization system and dry quenching system | |
| CN218077173U (en) | Coke oven flue gas carbon dioxide capture system | |
| CN208082173U (en) | The processing system of activated coke method coke oven flue gas desulphurization denitration acid vapour is handled with system for preparing sulfuric acid | |
| CN206463781U (en) | A kind of desulfuring and denitrifying apparatus of coke oven flue gas | |
| CN115950270A (en) | Heating furnace desulfurization and denitrification collaborative carbon monoxide removal system and process | |
| CN212467671U (en) | Cremation tail gas clean-up system | |
| CN112495160B (en) | Device and method for tail gas nitrogen oxide removal process of sulfur recovery device | |
| CN211753781U (en) | Smoke multi-pollutant cooperative purification device | |
| CN210595918U (en) | Coking waste heat comprehensive recovery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |