CN217746423U - Flue gas adsorption tower aftertreatment system - Google Patents
Flue gas adsorption tower aftertreatment system Download PDFInfo
- Publication number
- CN217746423U CN217746423U CN202221484040.4U CN202221484040U CN217746423U CN 217746423 U CN217746423 U CN 217746423U CN 202221484040 U CN202221484040 U CN 202221484040U CN 217746423 U CN217746423 U CN 217746423U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- spray column
- packing layer
- adsorption
- tower
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a flue gas adsorption tower aftertreatment system, including flue gas adsorption equipment and spray column, be provided with the adsorption module in the flue gas adsorption equipment, the flue gas enters into the spray column through communicating pipe after adsorption module SOx/NOx control in, the flue gas from up flowing down in the spray column, be provided with the packing layer in the spray column, be located be provided with the inlet tube on the spray column lateral wall of packing layer top, flue gas and water are at the direct countercurrent contact of packing layer, the utility model discloses a flue gas is at the direct countercurrent contact of packing layer and cooling water, and the side removes dust to the flue gas degree of depth, reduces the dust content in the flue gas to 1mg/Nm3, and on the other hand flue gas and cooling water fully carry out the heat exchange, retrieve the cold volume in the flue gas, have reduced the influence to the environment when having improved energy utilization efficiency.
Description
Technical Field
The utility model belongs to the technical field of the flue gas dust removal, specifically be a flue gas adsorption tower aftertreatment system.
Background
Flue gases, in particular flue gases from coal-fired power plants, contain a large amount of smoke. If the smoke dust is not treated, the smoke dust is discharged into the atmosphere to easily form floating dust and falling dust, thereby seriously polluting the environment.
At present, the domestic and international requirements for the emission of smoke dust are more and more strict, but the prior art generally adopts methods such as bag-type dust removal or electric dust removal to remove the dust in the smoke gas, and the dust content in the smoke gas after dust removal can reach 10mg/Nm 3 However, it is difficult to further reduce the dust content in the flue gas, and near zero emission of main pollutants in the flue gas cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at improving and innovating the defects and the problems existing in the background technology and providing a flue gas adsorption tower post-treatment system.
The utility model provides a flue gas adsorption tower aftertreatment system, includes flue gas adsorption equipment and spray column, be provided with adsorption module in the flue gas adsorption equipment, the flue gas enters into through communicating pipe after adsorption module SOx/NOx control in the spray column, the flue gas is from up flowing down in the spray column, be provided with the packing layer in the spray column, be located be provided with the inlet tube on the spray column lateral wall of packing layer top, flue gas and water are at the direct countercurrent contact of packing layer.
The further scheme is that the flue gas adsorption device comprises a plurality of adsorption towers, the adsorption towers are connected with an air inlet manifold through air inlet branch pipes and are connected with a communicating pipe through air outlet branch pipes, and the air inlet branch pipes and the air inlet manifold are provided with stop valves.
The further scheme is that a water outlet pipe is arranged at the bottom end of the spray tower, the water outlet pipe is connected with an external cooling water supply system, and a gas outlet main pipe is arranged at the top end of the spray tower.
The further scheme is that an air distribution plate, a distributor and a demister are sequentially arranged in the spray tower from bottom to top, the air distribution plate is arranged between a flue gas inlet and a packing layer of the spray tower, the distributor is arranged between the packing layer and a water outlet of a water inlet pipe, and the demister is arranged at the flue gas outlet of the spray tower.
The packing layer is filled with structured packing to provide sufficient contact surface for gas phase and liquid phase.
The further scheme is that the adsorption module is formed by filling a solid adsorption material.
In a further scheme, the solid adsorption material is activated carbon or activated coke.
Compared with the prior art, the beneficial effects of the utility model are that: through the mutual matching of the flue gas adsorption device and the spray tower, the adsorption module in the flue gas adsorption device adsorbs SO in the flue gas 2 、NO X Near-zero removing is carried out, in the spray tower, the cold flue gas and cooling water are in direct countercurrent contact in the packing layer, on one hand, the deep dust removal is carried out on the flue gas, and the dust content in the flue gas is reduced to 1mg/Nm 3 On the other hand, the flue gas and cooling water fully exchange heat, the cold energy in the flue gas is recovered, the energy utilization efficiency is improved, and the influence on the environment is reduced;
drawings
FIG. 1 is a schematic structural view of the present invention;
reference numerals: the device comprises a spray tower 1, an adsorption tower 2, an adsorption module 3, a main air inlet pipe 4, a communicating pipe 5, an air distribution plate 6, a packing layer 7, a distributor 8, an inlet pipe 9, a demister 10, a main air outlet pipe 11, an outlet pipe 12, an air inlet branched pipe 13 and an air outlet branched pipe 14.
Detailed Description
The present invention will be described in further detail with reference to fig. 1.
A flue gas adsorption tower aftertreatment system comprises a flue gas adsorption device and a spray tower 1. Flue gas adsorption equipment includes a plurality of adsorption towers 2, and in this embodiment, the quantity of adsorption tower 2 has 3, and one of them is reserve, and adsorption tower 2 is for moving the bed adsorption tower, all is provided with adsorption module 3 in the adsorption tower 2, and adsorption module 3 is filled by adsorption material and forms, and adsorption material can select active carbonOr active coke. The temperature of the inlet flue gas of the adsorption tower 2 is about minus 15 ℃, and the adsorption tower is used for removing pollutants such as SO in the flue gas under the low-temperature working condition 2 、NO X And the effect of near zero emission is achieved. The dust content at the outlet of the adsorption module 3 is less than 10mg/Nm 3 The flue gas temperature was about 0 ℃. Every adsorption tower 2 all is connected with inlet manifold 4 through the inlet gas in charge of 13 and is connected with communicating pipe 5 through the outlet gas in charge of 14, the one end that the outlet gas in charge of 14 was kept away from to communicating pipe 5 is connected with the air inlet of spray column 1, all be provided with the motorised valve on inlet gas in charge of 13 and the outlet gas in charge of 14, when monitoring that the adsorption material in adsorption tower 2 that is in operating condition blocks up or the temperature sharply rises (the temperature runaway), can close the motorised valve on inlet gas in charge of 13 and the outlet gas in charge of 14 that this adsorption tower 2 corresponds, and put into use reserve adsorption tower 2, can carry out SOx/NOx control to the flue gas constantly, improve adsorption effect and the adsorption efficiency of flue gas.
After the flue gas enters into spray column 1, from up flowing down, be provided with packing layer 7 in the spray column 1, packing layer 7 adopts regular packing to fill, be provided with inlet tube 9 on the lateral wall of the spray column 1 that is located the packing layer 7 top, the cooling water sprays on packing layer 7 for flue gas and water are at the direct countercurrent contact of packing layer 7, on the one hand to the flue gas degree of depth dust removal, reduce the dust content in the flue gas to 1mg/Nm3, on the other hand flue gas and cooling water fully carry out the heat exchange, retrieve the cold volume in the flue gas. The bottom end of the spray tower 1 is provided with a water outlet pipe 12, the water outlet pipe 12 is connected with an external cooling water supply system, so that cooling water after cold energy recovery is used for the cooling water supply system, and the top end of the spray tower 1 is provided with a gas outlet main pipe 11.
Air distribution plate 6, distributor 8 and defroster 10 have been set gradually from the bottom up in spray column 1, and air distribution plate 6 sets up between spray column 1's flue gas air inlet and packing layer 7, and air distribution plate 6 makes flue gas evenly distributed on 7 whole cross sections of packing layer. The distributor 8 is arranged between the packing layer 7 and the water outlet of the water inlet pipe 9, and the distributor 8 is beneficial to more uniform water outlet. The demister 10 is arranged at the flue gas outlet of the spray tower 1, and the demister 10 is used for removing moisture carried in flue gas.
The utility model discloses a theory of operation: during specific use, the low temperature flue gas at first enters into adsorption tower 2, the pollutant among the adsorption module 3 desorption flue gas, then the flue gas enters into spray column 1 through communicating pipe 5, enter into spray column 1 in the back, air distribution plate 6 makes the flue gas distribution more even, simultaneously the cooling water enters into spray column 1 through inlet tube 9, enter into packing layer 7 evenly behind distributor 8, with the direct adverse current contact heat transfer of flue gas, remove dust to the flue gas degree of depth, reduce the dust content in the flue gas to 1mg/Nm3, reach the effect of near zero release. In the flue gas dust removal process, cooling water also exchanges heat with the flue gas, and after the cold quantity of the flue gas is recovered, the cooling water is discharged out of the spray tower 1 through the water outlet pipe 12 to be used by a cooling water supply system, and finally, the flue gas is demisted by the demister 10 and then discharged from the gas outlet main pipe 11.
The above embodiments are used to illustrate the technical solutions of the present invention and not to limit the same, and those skilled in the art should understand that any modification, equivalent replacement or improvement made to the technical solutions of the present invention within the spirit and principle of the present invention are all included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a flue gas adsorption tower aftertreatment system which characterized in that: including flue gas adsorption equipment and spray column (1), be provided with in the flue gas adsorption equipment and adsorb module (3), the flue gas enters into through communicating pipe (5) after adsorbing module (3) SOx/NOx control in spray column (1), the flue gas is from up flowing down in spray column (1), be provided with packing layer (7) in spray column (1), be located be provided with inlet tube (9) on spray column (1) lateral wall of packing layer (7) top, flue gas and water are at the direct countercurrent contact of packing layer (7).
2. The flue gas adsorption tower aftertreatment system of claim 1, wherein: the flue gas adsorption device comprises a plurality of adsorption towers (2), wherein the adsorption towers (2) are connected with an air inlet main pipe (4) through air inlet branch pipes (13), and are connected with a communicating pipe (5) through air outlet branch pipes (14), and the air inlet branch pipes (13) and the air inlet main pipe (4) are provided with cut-off valves.
3. The flue gas adsorption tower aftertreatment system of any one of claims 1 to 2, wherein: the spray tower is characterized in that a water outlet pipe (12) is arranged at the bottom end of the spray tower (1), the water outlet pipe (12) is connected with an external cooling water supply system, and a gas outlet main pipe (11) is arranged at the top end of the spray tower (1).
4. The flue gas adsorption tower aftertreatment system of any one of claims 1 to 2, wherein: air distribution plate (6), distributor (8) and defroster (10) have been set gradually from the bottom up in spray column (1), air distribution plate (6) set up between the flue gas air inlet of spray column (1) and packing layer (7), and distributor (8) set up between the delivery port of packing layer (7) and inlet tube (9), defroster (10) set up in the flue gas outlet department of spray column (1).
5. The flue gas adsorption tower aftertreatment system of any one of claims 1 to 2, wherein: the packing layer (7) is filled by regular packing and provides a sufficient contact surface for gas and liquid phases.
6. The flue gas adsorption tower aftertreatment system of any one of claims 1 to 2, wherein: the adsorption module (3) is formed by filling a solid adsorption material.
7. The flue gas adsorption tower aftertreatment system of claim 6, wherein: the solid adsorption material is activated carbon or activated coke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221484040.4U CN217746423U (en) | 2022-06-15 | 2022-06-15 | Flue gas adsorption tower aftertreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221484040.4U CN217746423U (en) | 2022-06-15 | 2022-06-15 | Flue gas adsorption tower aftertreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217746423U true CN217746423U (en) | 2022-11-08 |
Family
ID=83892804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221484040.4U Active CN217746423U (en) | 2022-06-15 | 2022-06-15 | Flue gas adsorption tower aftertreatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217746423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351199A (en) * | 2023-06-01 | 2023-06-30 | 中国华能集团清洁能源技术研究院有限公司 | Adsorption module with cold energy recovery function and low-temperature adsorption system |
-
2022
- 2022-06-15 CN CN202221484040.4U patent/CN217746423U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351199A (en) * | 2023-06-01 | 2023-06-30 | 中国华能集团清洁能源技术研究院有限公司 | Adsorption module with cold energy recovery function and low-temperature adsorption system |
| CN116351199B (en) * | 2023-06-01 | 2023-08-29 | 中国华能集团清洁能源技术研究院有限公司 | Adsorption module with cold energy recovery function and low-temperature adsorption system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102029148B (en) | Dry method desorption device for organic waste gas activated carbon adsorption | |
| CN102274672B (en) | General partition wall vibrating process and device for recovering volatile organic matters | |
| CN104162341A (en) | Device and method for removing CO2 from smoke by using solid amine adsorbent | |
| CN217746423U (en) | Flue gas adsorption tower aftertreatment system | |
| CN104474895A (en) | Device and method for online regenerating low-temperature denitration catalyst by rotary fixed bed | |
| CN214635248U (en) | Waste heat utilization system of clean flue gas of desulfurization | |
| CN105032113A (en) | Process for capturing carbon dioxide in flue gas based on wet reclamation technology | |
| CN116059784A (en) | Method and system for capturing carbon dioxide in flue gas by pressure swing adsorption | |
| CN203530238U (en) | Oil vapor recovering device adopting dry type adsorption method | |
| CN105006264A (en) | High temperature gas-cooled reactor helium purification regeneration system and regeneration method | |
| CN203002168U (en) | Moving bed adsorption tower for exhaust gas purification | |
| CN110975514A (en) | Activated carbon adsorption purification system and method adopting vacuum electric heating regeneration | |
| CN204147734U (en) | The empty separating and purifying device of a kind of runner | |
| CN204884595U (en) | High temperature air cooling is piled helium and is purified regeneration system | |
| CN108771947B (en) | Deep waste heat recovery and CO (carbon monoxide) of high-humidity flue gas2Trapping integrated device and method | |
| CN201889143U (en) | Dry desorption unit for organic waste gas activated carbon absorption | |
| CN104984628A (en) | Organic waste gas adsorption recovery process | |
| CN210356576U (en) | Improved VOCs desorption device utilizing high-temperature steam desorption | |
| CN204768144U (en) | Adsorption recovery device of organic waste gas | |
| CN116351201A (en) | CO utilizing heat storage material and pressure swing adsorption 2 Trapping method | |
| CN206334537U (en) | Vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system | |
| CN204865437U (en) | Extension active carbon life's device | |
| CN203315972U (en) | Organic solvent waste gas recovery and purification device | |
| CN219010226U (en) | Blast furnace gas purifying device | |
| CN220829106U (en) | Low-temperature flue gas cold recovery tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |