CN213160212U - Flue gas desulfurization and denitrification system - Google Patents
Flue gas desulfurization and denitrification system Download PDFInfo
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- CN213160212U CN213160212U CN202021258843.9U CN202021258843U CN213160212U CN 213160212 U CN213160212 U CN 213160212U CN 202021258843 U CN202021258843 U CN 202021258843U CN 213160212 U CN213160212 U CN 213160212U
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- furnace body
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- flue gas
- pipeline
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 31
- 230000023556 desulfurization Effects 0.000 title claims abstract description 31
- 239000003546 flue gas Substances 0.000 title claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 46
- 239000000571 coke Substances 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000011084 recovery Methods 0.000 claims description 7
- 239000002918 waste heat Substances 0.000 claims description 7
- 230000001174 ascending effect Effects 0.000 claims description 5
- 238000009924 canning Methods 0.000 claims description 2
- 238000010531 catalytic reduction reaction Methods 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 12
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 239000003570 air Substances 0.000 description 4
- 229910052815 sulfur oxide Inorganic materials 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a flue gas desulfurization and denitrification system, which comprises a feed inlet, a gas heat exchange furnace body, a filter screen, a fireproof cover, an ignition device, a base, a medium temperature flue gas SCR desulfurization and denitrification device and a reaction tank; the whole canned structure that adopts of gas heat transfer furnace body, arc structure is adopted to the bottom, the top of four perpendicular support columns of gas heat transfer furnace body bottom fixed connection, the fixed feed inlet that sets up in gas heat transfer furnace body top, during the material passes through the feed inlet transportation heat transfer furnace body that admits air, set up the filter screen in the middle of the gas heat transfer furnace body, gas heat transfer furnace body below sets up the fire prevention cover, the utility model discloses a set up the observation window, strengthen operating personnel to the in-service use condition of equipment greatly, the utility model discloses a set up the air-blast device, strengthened transmission pipeline's transmission rate greatly, the utility model discloses a coke oven chimney bottom fixed connection base strengthens coke oven chimney's stability and security.
Description
Technical Field
The utility model relates to a SOx/NOx control equipment technical field specifically is flue gas SOx/NOx control system.
Background
The flue gas desulfurization and denitration technology is a boiler flue gas purification technology applied to the chemical industry of generating multi-nitrogen oxides and sulfur oxides. Nitrogen oxides and sulfur oxides are one of the main sources of air pollution. The application of this technology is of considerable benefit for ambient air purification. The known flue gas desulfurization and denitrification technologies include the PAFP, ACFP, pyrolusite method, electron beam ammonia method, pulse corona method, gypsum wet method, catalytic oxidation method, microbial degradation method and the like
The simultaneous desulfurization and denitration technology for flue gas is mostly in research and industrial demonstration stages, but because the simultaneous desulfurization and denitration can be realized in one set of system, particularly along with the continuous stricture of NOx control standards, the simultaneous desulfurization and denitration technology is increasingly emphasized by various countries. The simultaneous flue gas desulfurization and denitration technology mainly comprises three types, wherein the first type is a combined technology of flue gas desulfurization and flue gas denitration; the second type is that SOX and NOx are removed simultaneously by using an adsorbent; the third type is to modify the existing Flue Gas Desulfurization (FGD) system (such as adding a denitration agent into a desulfurization solution) and add a denitration function.
Traditional flue gas desulfurization and denitration equipment simple structure, accommodation is less, and technology is comparatively simple simultaneously, consequently, we provide a novel flue gas desulfurization and denitration system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flue gas desulfurization deNOx systems to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the flue gas desulfurization and denitrification system comprises a feed inlet, a gas heat exchange furnace body, a filter screen, a fireproof cover, an ignition device, a gas pipeline, a valve, a vertical support column, an observation window, an exhaust pipe, a fan, a base, a coke oven chimney, a waste heat recovery device, a medium-temperature flue gas SCR desulfurization and denitrification device, a blast device, a coke oven ascending pipeline, a transmission pipeline, an ignition switch and a reaction tank; the whole gas heat exchange furnace body adopts a canned structure, the bottom of the gas heat exchange furnace body adopts an arc structure, the bottom of the gas heat exchange furnace body is fixedly connected with the top ends of four vertical supporting columns, a feed port is fixedly arranged above the gas heat exchange furnace body, materials are conveyed into the gas heat exchange furnace body through the feed port, a filter screen is arranged in the middle of the gas heat exchange furnace body, a fireproof cover is arranged below the gas heat exchange furnace body, an ignition switch is fixedly connected to one side of an ignition device, the ignition device is controlled to be opened and closed through the ignition switch, a gas pipeline is fixedly connected below the ignition device, the gas pipeline is connected with an external gas pipeline, one side of the gas heat exchange furnace body is fixedly connected with one end of a transmission pipeline, the transmission pipeline is sequentially connected with a reaction tank, a waste heat recovery device, a medium-temperature, the other side of the upper end of the reaction tank is fixedly provided with an exhaust pipe, and a valve is arranged on the transmission pipeline.
As a further aspect of the present invention: an ignition device is arranged in the fireproof cover.
As a further aspect of the present invention: and an observation window is fixedly arranged on the surface of the reaction tank.
As a further aspect of the present invention: and the conveying pipeline is also provided with a blast device.
As a further aspect of the present invention: the bottom of the coke oven chimney is fixedly connected with the base.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an inside ignition that sets up of fire prevention cover, the service power of reinforcing gas heat transfer furnace body, improve equipment's work efficiency greatly, the utility model discloses a set up the observation window, strengthen operating personnel to the in-service use condition of equipment greatly, the utility model discloses a set up the air-blast device, strengthened transmission pipeline's transmission rate greatly, the utility model discloses a coke oven chimney bottom fixed connection base strengthens coke oven chimney's stability and security greatly.
Drawings
FIG. 1 is a schematic diagram of the main structure of a flue gas desulfurization and denitrification system.
FIG. 2 is a schematic structural diagram of a large sample A in a flue gas desulfurization and denitrification system.
The figure is as follows: 1, a feeding hole; 2, a gas heat exchange furnace body; 3, filtering a screen; 4, a fireproof cover; 5 an ignition device; 6, a gas pipeline; 7, a valve; 8, vertical supporting columns; 9 an observation window; 10 exhausting pipe; 11, a fan; 12 a base; 13 coke oven chimney; 14 a waste heat recovery device; 15 medium temperature flue gas SCR desulfurization and denitrification device; 16 blower means; 17 coke oven riser duct; 18 a transport pipe; 19 an ignition switch; 20 reaction tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in the embodiment of the present invention, a flue gas desulfurization and denitration system includes a feed inlet 1, a gas heat exchange furnace body 2, a filter screen 3, a fireproof cover 4, an ignition device 5, a gas pipeline 6, a valve 7, a vertical support column 8, an observation window 9, an exhaust pipe 10, a fan 11, a base 12, a coke oven chimney 13, a waste heat recovery device 14, a medium temperature flue gas SCR desulfurization and denitration device 15, an air blowing device 16, a coke oven ascending pipeline 17, a transmission pipeline 18, an ignition switch 19, and a reaction tank 20.
The whole canning structure that adopts of gas heat transfer furnace body 2, the arc structure is adopted to the bottom, and the top of four vertical braces 8 of 2 bottom fixed connection of gas heat transfer furnace body sets up feed inlet 1 fixedly above gas heat transfer furnace body 2, and the material sets up filter screen 3 in the middle of the gas heat transfer furnace body 2 through the 1 transportation heat transfer furnace body 2 that admits air of feed inlet, filter screen 3 can prevent effectively that large granule impurity from falling into the furnace body, influences product quality.
The gas heat exchange furnace body 2 below sets up fire prevention cover 4, and fire prevention cover 4 is inside to set up ignition 5, and ignition 5 one side fixed connection sets up ignition switch 19, through opening and closing of ignition 19 control ignition 5, ignition 5 below fixed connection gas pipeline 6, outside gas pipeline is connected to gas pipeline 6.
One side of the gas heat exchange furnace body 2 is fixedly connected with one end of a transmission pipeline 18, and the transmission pipeline 18 is sequentially connected with a reaction tank 20, a waste heat recovery device 14, a medium-temperature flue gas SCR desulfurization and denitrification device 15 and a coke oven chimney 13.
The upper end of the reaction tank 20 is connected with one end of a coke oven ascending pipeline 17, the middle of the reaction tank 20 is connected with a blower 16, the other side of the upper end of the reaction tank 20 is fixedly provided with an exhaust pipe 10, the surface of the reaction tank 20 is fixedly provided with an observation window 9, and the internal condition of the reaction tank 20 can be clearly known through the observation window 9.
The valve 7 is arranged on the transmission pipeline 18, the transmission pipeline 18 is opened and closed through the valve 7, smooth operation among facilities is guaranteed, maintenance is carried out at any time, the transmission pipeline 18 is also provided with the air blowing device 16, and the flow speed in the pipeline is enhanced through the air blowing device 16. The bottom of the coke oven chimney 13 is fixedly connected with a base 12.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The flue gas desulfurization and denitrification system comprises a feed inlet (1), a gas heat exchange furnace body (2), a filter screen (3), a fireproof cover (4), an ignition device (5), a gas pipeline (6), a valve (7), a vertical support column (8), an observation window (9), an exhaust pipe (10), a fan (11), a base (12), a coke oven chimney (13), a waste heat recovery device (14), a medium-temperature flue gas SCR desulfurization and denitrification device (15), a blast device (16), a coke oven ascending pipeline (17), a transmission pipeline (18), an ignition switch (19) and a reaction tank (20); the device is characterized in that the whole gas heat exchange furnace body (2) adopts a canning structure, the bottom of the gas heat exchange furnace body adopts an arc structure, the bottom of the gas heat exchange furnace body (2) is fixedly connected with the top ends of four vertical support columns (8), a feed inlet (1) is fixedly arranged above the gas heat exchange furnace body (2), materials are conveyed into the gas heat exchange furnace body (2) through the feed inlet (1), a filter screen (3) is arranged in the middle of the gas heat exchange furnace body (2), a fireproof cover (4) is arranged below the gas heat exchange furnace body (2), an ignition switch (19) is fixedly connected with one side of an ignition device (5), the ignition device (5) is controlled to be opened and closed through the ignition switch (19), a gas pipeline (6) is fixedly connected with the lower part of the ignition device (5), the gas pipeline (6) is connected with an external gas pipeline, one end of a transmission pipeline (18) is fixedly connected with one side of the gas heat, The device comprises a waste heat recovery device (14), a medium-temperature flue gas SCR (selective catalytic reduction) desulfurization and denitrification device (15) and a coke oven chimney (13), wherein the upper end of a reaction tank (20) is connected with one end of a coke oven ascending pipeline (17), the middle of the reaction tank (20) is connected with a blast device (16), the other side of the upper end of the reaction tank (20) is fixedly provided with an exhaust pipe (10), and a valve (7) is arranged on a transmission pipeline (18).
2. The flue gas desulfurization and denitration system according to claim 1, wherein an ignition device (5) is provided inside the fireproof cover (4).
3. The flue gas desulfurization and denitrification system according to claim 1, wherein the observation window (9) is fixedly arranged on the surface of the reaction tank (20).
4. The flue gas desulfurization and denitration system according to claim 1, wherein the conveying pipeline (18) is also provided with a blower device (16).
5. The flue gas desulfurization and denitrification system according to claim 1, wherein the bottom of the coke oven chimney (13) is fixedly connected with the base (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021258843.9U CN213160212U (en) | 2020-07-01 | 2020-07-01 | Flue gas desulfurization and denitrification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021258843.9U CN213160212U (en) | 2020-07-01 | 2020-07-01 | Flue gas desulfurization and denitrification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213160212U true CN213160212U (en) | 2021-05-11 |
Family
ID=75790359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021258843.9U Active CN213160212U (en) | 2020-07-01 | 2020-07-01 | Flue gas desulfurization and denitrification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213160212U (en) |
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2020
- 2020-07-01 CN CN202021258843.9U patent/CN213160212U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Flue gas desulfurization and denitrification system Effective date of registration: 20231211 Granted publication date: 20210511 Pledgee: Bank of China Limited Jingzhou Branch Pledgor: HUBEI SIBOYING ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2023980070472 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |