CN221062490U - Feeding device for macromolecule denitration process of garbage power plant - Google Patents
Feeding device for macromolecule denitration process of garbage power plant Download PDFInfo
- Publication number
- CN221062490U CN221062490U CN202323015327.XU CN202323015327U CN221062490U CN 221062490 U CN221062490 U CN 221062490U CN 202323015327 U CN202323015327 U CN 202323015327U CN 221062490 U CN221062490 U CN 221062490U
- Authority
- CN
- China
- Prior art keywords
- stirring
- denitration
- gas mixing
- denitration agent
- conveying pipeline
- 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
- 238000000034 method Methods 0.000 title claims abstract description 27
- 229920002521 macromolecule Polymers 0.000 title claims description 5
- 238000002156 mixing Methods 0.000 claims abstract description 64
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 61
- 238000003756 stirring Methods 0.000 claims abstract description 61
- 238000009826 distribution Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000012257 stirred material Substances 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 51
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003546 flue gas Substances 0.000 abstract description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 229910021529 ammonia Inorganic materials 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 23
- 238000013461 design Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004056 waste incineration Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The application discloses a feeding device for a high-molecular denitration process of a garbage power plant, and relates to the technical field of denitration processes, comprising a stirring device, a gas mixing device and a distributing device; the stirring device is used for stirring and mixing the denitration agent and the desalted water; the gas mixing device is connected with the stirring device and is used for mixing the stirred materials of the stirring device with the compressed gas; the distribution device is connected with the gas mixing device and is used for distributing and outputting the mixed materials of the gas mixing device. Firstly, the stirring device is used for fully mixing the denitration agent and the desalted water to form a solution, so that the reaction contact area of the flue gas and the denitration agent is increased, and the material dissipation is reduced. And the denitration agent solution and the compressed gas are mixed through the gas mixing device, so that the denitration agent solution can be effectively atomized, the denitration efficiency is greatly improved, and ammonia escape generated by other denitration modes is reduced. Finally, the atomized materials are distributed and output through the distribution device, so that the requirements of different output material quantities of different temperature layers are met, the denitration efficiency is improved, and the material consumption cost is reduced.
Description
Technical Field
The application relates to the technical field of denitration processes, in particular to a feeding device for a high-molecular denitration process of a garbage power plant.
Background
With the rapid development of the power generation scale of the waste incineration in China, the discharge of the waste incineration smoke pollutants is a focus of increasing attention of people. Nitrogen oxides (NO x) are one of main pollutants discharged by waste incineration flue gas, and are also indexes which are difficult to control in production and operation of a waste incineration power plant.
The mainstream smoke treatment process of the garbage incinerator in the market at present adopts SNCR (selective non-catalytic reduction) in-furnace denitration, semi-dry deacidification, dry powder injection, activated carbon adsorption and bag dust removal, and the emission of NO x cannot meet the increasingly strict regulatory requirements. The wet process has higher investment and operation cost of the garbage power plant, so the polymer denitration (PNCR) process becomes a promising denitration process.
However, the prior PNCR processes which are put into production have few application cases and have the aspects of optimization and perfection. Specifically, it is: the existing case is basically that the storage tank is used for conveying materials through a pipeline, and the feeding proportion is adjusted through the opening of a valve, so that the accuracy is poor. Secondly, directly mix the demineralized water and polymer denitration agent back and carry another storage tank through the pump, the rethread control cabinet beats furnace, lacks to mix, and atomization effect is also not good simultaneously, also lacks distribution system moreover. In general, the prior case has simple structure, lacks a blending, gas mixing and distributing system, wastes materials and does not reach the theoretical use effect of the polymer denitration agent.
Disclosure of utility model
Therefore, the application aims to provide a feeding device for a polymer denitration process of a garbage power plant, which can be applied to the denitration process to reduce material waste and improve the using effect of a denitration agent.
In order to achieve the technical aim, the application provides a feeding device for a high polymer denitration process of a garbage power plant, which comprises a stirring device, a gas mixing device and a distributing device;
The stirring device is used for stirring and mixing the denitration agent and the desalted water;
the gas mixing device is connected with the stirring device and is used for mixing the stirred materials by the stirring device with compressed gas;
The distribution device is connected with the gas mixing device and is used for distributing and outputting the mixed materials of the gas mixing device.
Further, the stirring device comprises a stirring tank, a denitration agent conveying pipeline and a desalted water conveying pipeline;
the stirring tank is provided with a first stirring feeding end and a second stirring feeding end;
A stirring motor is arranged at the top of the stirring tank;
An output shaft of the stirring motor extends into the stirring tank and is connected with a stirring paddle;
The denitration agent conveying pipeline is connected with the first stirring feeding end, and a denitration agent control valve is arranged on the denitration agent conveying pipeline;
The demineralized water conveying pipeline is connected with the second stirring feeding end, and a demineralized water control valve is arranged on the demineralized water conveying pipeline.
Further, the gas mixing device comprises a gas mixing tank, a compressed gas conveying pipeline and a denitration agent solution conveying pipeline;
the gas mixing tank is provided with a gas mixing inlet end and a gas mixing feed end;
the compressed gas conveying pipeline is connected with the gas mixing inlet end;
The denitration agent solution conveying pipeline is connected with the gas mixing feeding end, and a denitration agent solution control valve is arranged on the denitration agent solution conveying pipeline.
Further, the distribution device comprises a distribution box, an actuating mechanism and a plurality of discharging branch pipes;
The actuating mechanism is arranged on the distribution box and is provided with a distribution feeding end and a plurality of distribution discharging ends;
the distribution feeding end of the distribution box is connected with the discharge end of the gas mixing tank;
the discharging branch pipes are connected with the distributing discharging ends in a one-to-one correspondence manner;
The actuating mechanism is mounted on the distribution box.
Further, the denitration agent control valve, the desalted water control valve and the denitration agent solution control valve are all electromagnetic valves.
According to the technical scheme, the feeding device designed by the application is applied to a macromolecule denitration process of a garbage power plant and comprises a stirring device, a gas mixing device and a distributing device. Firstly, the stirring device is used for fully mixing the denitration agent and the desalted water to form a solution, so that the reaction contact area of the flue gas and the denitration agent is increased, and the material dissipation is reduced. And the denitration agent solution and the compressed gas are mixed through the gas mixing device, so that the denitration agent solution can be effectively atomized, the denitration efficiency is greatly improved, and ammonia escape generated by other denitration modes is reduced. Finally, the atomized materials are distributed and output through the distribution device, so that the requirements of different output material quantities of different temperature layers are met, the denitration efficiency is improved, and the material consumption cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural view of a feeding device for a polymer denitration process of a garbage power plant;
In the figure: 100. a stirring device; 200. a gas mixing device; 300. a dispensing device; 1. a denitration agent conveying pipeline; 2. a desalted water conveying pipeline; 3. a denitration agent control valve; 4. a demineralized water control valve; 5. a stirring motor; 6. a stirring tank; 7. a denitration agent solution control valve; 8. a denitration agent solution conveying pipeline; 9. a compressed gas delivery line; 10. a gas mixing tank; 11. an actuator; 12. a distribution box; 13. and a discharging branch pipe.
Detailed Description
The following description of the embodiments of the present application will be made in detail, but not necessarily all embodiments, with reference to the accompanying drawings. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the embodiments of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in embodiments of the present application will be understood in detail by those of ordinary skill in the art.
The embodiment of the application discloses a feeding device for a macromolecule denitration process of a garbage power plant.
Referring to fig. 1, an embodiment of a feeding device for a polymer denitration process in a garbage power plant according to an embodiment of the present application includes: stirring device 100, air mixing device 200, and dispensing device 300.
The stirring device 100 is used for stirring and mixing a denitration agent and desalted water, wherein the denitration agent is a polymer denitration agent. The gas mixing device 200 is connected with the stirring device 100, and is used for mixing the stirred material of the stirring device 100 with the compressed gas. The distributing device 300 is connected with the gas mixing device 200, and is used for distributing and outputting the materials mixed by the gas mixing device 200.
Firstly, the stirring device 100 is used for fully mixing the denitration agent and the desalted water to form a solution, so that the reaction contact area of the flue gas and the denitration agent is increased, and the material dissipation is reduced. The denitration agent solution and the compressed gas are mixed through the gas mixing device 200, so that the denitration agent solution can be effectively atomized, the denitration efficiency is greatly improved, and ammonia escape generated by other denitration modes is reduced. Finally, the atomized matters are distributed and output through the distribution device 300, so that the requirements of different output material amounts of different temperature layers are met, the denitration efficiency is improved, and the material consumption cost is reduced.
The first embodiment of the feeding device for the polymer denitration process in the garbage power plant provided by the embodiment of the application is described above, and the second embodiment of the feeding device for the polymer denitration process in the garbage power plant provided by the embodiment of the application is described below, with reference to fig. 1.
Based on the scheme of the first embodiment:
further, the stirring device 100 is designed to include a stirring tank 6, a denitration agent conveying pipeline 1 and a desalted water conveying pipeline 2.
The agitator tank 6 is provided with a first agitating feeding end and a second agitating feeding end, the agitator motor 5 is installed at the top of the agitator tank 6, the output shaft of the agitator motor 5 stretches into the agitator tank 6 and is connected with an agitating paddle (not shown in the figure), and the agitator can automatically adjust the agitating speed and the agitating frequency through the liquid level height in the agitator tank 6 to form the denitration agent solution. The specific structural components of the stirring tank 6, the stirring motor 5 and the stirring paddle can be designed with reference to the existing stirring equipment or used along, and will not be described in detail.
The denitration agent conveying pipeline 1 is connected with a first stirring feeding end, a denitration agent control valve 3 is arranged on the denitration agent conveying pipeline 1, and the denitration agent conveying pipeline 1 is connected with a denitration agent material source.
The demineralized water conveying pipeline 2 is connected with a second stirring feeding end, a demineralized water control valve 4 is arranged on the demineralized water conveying pipeline 2, and the demineralized water conveying pipeline 2 is connected with a demineralized water material source.
By arranging the denitration agent control valve 3 and the desalted water control valve 4, the initial feeding quantity and the feeding proportion of the materials can be accurately controlled.
Further, for the design of the gas mixing device 200, the gas mixing tank 10, the compressed gas conveying pipeline 9 and the denitration agent solution conveying pipeline 8 are included.
The gas mixing tank 10 is provided with a gas mixing inlet end and a gas mixing inlet end, guide wheel disc guide vanes (not shown in the figure) can be arranged in the gas mixing tank 10, so that the effects of stabilizing pressure and stabilizing flow and mixing gas and solution can be better realized, the atomization of a spray gun is not independently relied on, and for the specific design of the gas mixing tank 10, a person skilled in the art can refer to the existing design scheme for design or directly follow, and the details are not repeated.
The compressed gas delivery pipeline 9 is connected with the air mixing air inlet end, and the compressed gas delivery pipeline 9 is connected with a compressor or a corresponding compressed gas source.
The denitration agent solution conveying pipeline 8 is connected with the gas mixing feeding end, and a denitration agent solution control valve 7 is arranged on the denitration agent solution conveying pipeline 8.
A corresponding electric pump can be arranged at the discharge end or the gas mixing feed end of the stirring tank 6 or on the denitration agent solution conveying pipeline 8, and is used for providing conveying power so as to convey the mixed denitration agent solution into the gas mixing tank 10.
Further, for the design of the dispensing device 300, it comprises a dispensing box 12, an actuator 11 and a plurality of outlet branches 13.
The actuating mechanism 11 is arranged on the distribution box 12 and is provided with a distribution feeding end and a plurality of distribution discharging ends, the distribution feeding end is connected with the discharging end of the gas mixing tank 10, and a plurality of discharging branch pipes 13 are connected with the distribution discharging ends in a one-to-one correspondence manner.
The mixed gas-liquid mixture is automatically distributed by the distribution box 12 according to the requirements of the spray guns on the boiler furnace in different heights and different positions, namely different flue gas reaction zones. The actuating mechanism 11 on the distribution box 12 can be automatically distributed to different discharging branch pipes 13 according to the flue gas flow and the feedback signal of the flue gas temperature, and the tail end of the discharging branch pipe 13 is directly connected with a spray gun to throw materials into a hearth. In particular, the actuator 11 may comprise a controller, a plurality of metering pumps and a plurality of dispensing input pipes; the input end of each metering pump is respectively connected with a distribution input pipe, the other ends of all distribution input pipes are converged to form the distribution feeding end, the output ends of all metering pumps are respectively formed the distribution discharging end, the controller is electrically connected with all metering pumps, and the corresponding metering pumps are controlled to operate according to the feedback signals of the flue gas flow and the flue gas temperature. The structure of the distribution device 300 of the present application may also be designed with reference to other existing distribution devices (such as a branch pipe distribution control module of a hydraulic device, etc.), or may be directly used, which will not be described in detail.
The feeding device provided by the application does not need real-time manual adjustment in the whole process, and can realize automatic feeding.
Further, the denitration agent control valve 3, the desalted water control valve 4 and the denitration agent solution control valve 7 are all electromagnetic valves.
The electromagnetic valve, the stirring motor 5 and the executing mechanism 11 of the feeding device can transmit flow and liquid level lamp signals to the central control DCS system through signals, meanwhile, the executing mechanism 11 can also feed back the analysis and other logics of the smoke components to the distribution box 12, automatic feeding is achieved, and on-site maintenance or adjustment can be carried out when faults occur.
The above description is provided for a feeding device for a polymer denitration process of a garbage power plant, and for those skilled in the art, according to the idea of the embodiment of the application, the specific implementation and application range of the feeding device are changed, so that the disclosure should not be construed as limiting the application.
Claims (5)
1. The feeding device for the macromolecule denitration process of the garbage power plant is characterized by comprising a stirring device (100), a gas mixing device (200) and a distributing device (300);
The stirring device (100) is used for stirring and mixing the denitration agent and the desalted water;
The gas mixing device (200) is connected with the stirring device (100) and is used for mixing the stirred materials of the stirring device (100) with compressed gas;
The distribution device (300) is connected with the gas mixing device (200) and is used for distributing and outputting the materials mixed by the gas mixing device (200).
2. The feeding device for a polymer denitration process of a waste power plant according to claim 1, wherein the stirring device (100) comprises a stirring tank (6), a denitration agent conveying pipeline (1) and a desalted water conveying pipeline (2);
The stirring tank (6) is provided with a first stirring feeding end and a second stirring feeding end;
A stirring motor (5) is arranged at the top of the stirring tank (6);
An output shaft of the stirring motor (5) extends into the stirring tank (6) and is connected with a stirring paddle;
the denitration agent conveying pipeline (1) is connected with the first stirring feeding end, and a denitration agent control valve (3) is arranged on the denitration agent conveying pipeline (1);
the demineralized water conveying pipeline (2) is connected with the second stirring feeding end, and a demineralized water control valve (4) is arranged on the demineralized water conveying pipeline (2).
3. The feeding device for a polymer denitration process of a waste power plant according to claim 2, wherein the gas mixing device (200) comprises a gas mixing tank (10), a compressed gas conveying pipeline (9) and a denitration agent solution conveying pipeline (8);
The gas mixing tank (10) is provided with a gas mixing inlet end and a gas mixing inlet end;
the compressed gas conveying pipeline (9) is connected with the gas mixing inlet end;
The denitration agent solution conveying pipeline (8) is connected with the gas mixing feeding end, and a denitration agent solution control valve (7) is arranged on the denitration agent solution conveying pipeline (8).
4. A feeding device for a polymer denitration process of a waste power plant according to claim 3, characterized in that the distribution device (300) comprises a distribution box (12), an actuator (11) and a plurality of discharge branches (13);
The actuating mechanism (11) is arranged on the distribution box (12) and is provided with a distribution feeding end and a plurality of distribution discharging ends;
The distribution feeding end is connected with the discharging end of the gas mixing tank (10);
The discharging branch pipes (13) are connected with the distributing discharging ends in a one-to-one correspondence mode.
5. The feeding device for the polymer denitration process of the garbage power plant according to claim 3, wherein the denitration agent control valve (3), the desalted water control valve (4) and the denitration agent solution control valve (7) are all electromagnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323015327.XU CN221062490U (en) | 2023-11-08 | 2023-11-08 | Feeding device for macromolecule denitration process of garbage power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323015327.XU CN221062490U (en) | 2023-11-08 | 2023-11-08 | Feeding device for macromolecule denitration process of garbage power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221062490U true CN221062490U (en) | 2024-06-04 |
Family
ID=91259829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323015327.XU Active CN221062490U (en) | 2023-11-08 | 2023-11-08 | Feeding device for macromolecule denitration process of garbage power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221062490U (en) |
-
2023
- 2023-11-08 CN CN202323015327.XU patent/CN221062490U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216909833U (en) | Semidry method flue gas desulfurization device | |
| CN113617196B (en) | Flue gas desulfurization experiment simulation device | |
| CN221062490U (en) | Feeding device for macromolecule denitration process of garbage power plant | |
| CN213708155U (en) | Modular high-temperature material digestion system | |
| CN220703482U (en) | Synergistic plant ash alkaline method domestic sludge treatment system | |
| CN219494118U (en) | Sludge cooperative treatment system for garbage incineration power generation project | |
| CN101804293A (en) | Flue gas desulfurization method of heating boiler and device thereof | |
| CN104607032A (en) | Desulfurization device | |
| CN209612628U (en) | A kind of lime slaking slurrying injection apparatus of semi-dry desulphurization | |
| CN212687907U (en) | Lime slurry preparation system for waste incineration | |
| CN113413754B (en) | Carbon-fixing alkali-reducing reaction device and control method thereof | |
| CN102371115A (en) | Desulphurization and dedusting tower | |
| CN212283563U (en) | Denitration system suitable for biomass boiler | |
| CN214486373U (en) | Modularization limestone wet flue gas desulfurization reaction unit | |
| CN203163476U (en) | Rotary cement kiln device | |
| CN211636020U (en) | Desulfurization and denitrification dust removal system with humidification and activation functions | |
| CN210495849U (en) | SNCR and PNCR collaborative combined denitration system for high-temperature furnace | |
| CN203790824U (en) | High-efficiency boiler smoke desulphurization tower | |
| CN214075949U (en) | Semidry desulfurization complete process unit | |
| CN111943529A (en) | Lime slurry preparation system for waste incineration and supply method | |
| CN112792108A (en) | Novel efficient fly ash medicament chelation stabilizing system and chelation stabilizing method thereof | |
| CN210544282U (en) | Powder denitration agent gasification combustor | |
| CN201625500U (en) | Calcium spraying flue gas desulfurization device in limestone furnace | |
| CN221301328U (en) | In-furnace dry method system for flue gas desulfurization | |
| CN219771234U (en) | Coking biochemical sludge treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |