CN223615675U - A desulfurization and denitrification device for coking flue gas - Google Patents
A desulfurization and denitrification device for coking flue gasInfo
- Publication number
- CN223615675U CN223615675U CN202423224114.2U CN202423224114U CN223615675U CN 223615675 U CN223615675 U CN 223615675U CN 202423224114 U CN202423224114 U CN 202423224114U CN 223615675 U CN223615675 U CN 223615675U
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- China
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- tower
- flue gas
- filter screen
- desulfurization
- smoke
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Abstract
The utility model provides a coking flue gas desulfurization and denitrification device, which belongs to the technical field of flue gas purification equipment and comprises a mounting frame, a filtering assembly and a spraying assembly; the surface of the mounting frame is provided with a denitration tower, and one side of the denitration tower is provided with a desulfurization tower; according to the utility model, the smoke inlet box is arranged at one side of the bottom of the denitration tower, the coked smoke enters the smoke inlet box through the smoke inlet holes, large particle impurities in the smoke are filtered out through the coarse filter screen in the smoke inlet box, harmful fine particles are further reduced by filtering the smoke again when the smoke passes through the fine filter screen, the coked smoke subjected to filtering treatment is treated, the particle impurities are reduced to be deposited in the pipeline, the smoke flow is improved, and the occurrence of blockage is reduced.
Description
Technical Field
The utility model relates to the technical field of flue gas purification equipment, in particular to a coking flue gas desulfurization and denitrification device.
Background
Coking flue gas refers to flue gas generated in the production process of a coke oven, and main components of the coking flue gas comprise carbon dioxide, carbon monoxide, nitrogen, oxygen, water vapor, sulfur dioxide, nitrogen oxides and the like, wherein the sulfur dioxide and the nitrogen oxides are main pollutants, so that a desulfurization and denitrification device is needed to treat the coking flue gas. In the existing coking flue gas desulfurization and denitrification treatment process, the coking flue gas is directly connected into a desulfurization tower and a denitrification tower for treatment, particulate matters and impurities in the coking flue gas are not filtered, and channels and pipelines of the device are blocked, so that the flow and treatment effect of the flue gas are affected.
Disclosure of utility model
The utility model aims to provide a coking flue gas desulfurization and denitrification device, which aims to solve the problems that in the prior coking flue gas desulfurization and denitrification treatment process, coking flue gas is directly introduced into a desulfurization tower and a denitrification tower for treatment, particulate matters and impurities in the coking flue gas are not filtered, channels and pipelines of the device are blocked, and the flow and treatment effect of the flue gas are affected.
In order to achieve the aim, the utility model provides the technical scheme that the coking flue gas desulfurization and denitrification device comprises a mounting frame, a filtering component and a spraying component;
The surface of the mounting frame is provided with a denitration tower, one side of the denitration tower is provided with a desulfurization tower, and the top end of the desulfurization tower is provided with an exhaust pipe;
The filter assembly comprises a smoke inlet box arranged at one side of the bottom of the denitration tower, a smoke inlet hole is formed in the surface of the smoke inlet box, a coarse filter screen is arranged in the smoke inlet box, and a fine filter screen is arranged at one side of the coarse filter screen;
The spray assembly comprises a water storage tank arranged at one side of the bottom of the desulfurizing tower, lime solution is contained in the water storage tank, a water pump is arranged at one side of the mounting frame, one end of the water pump is communicated with the water storage tank, a water outlet end of the water pump is connected with a water delivery pipe, a distribution pipe is arranged at one end of the water delivery pipe, the distribution pipe is arranged inside the desulfurizing tower and is provided with multiple layers, and a plurality of nozzles are fixedly arranged on the surface of the distribution pipe and face the bottom of the desulfurizing tower.
As a preferable scheme of the utility model, the inner wall of the smoke inlet box is provided with the mounting groove, both sides of the coarse filter screen and the fine filter screen are connected with the mounting strips, the mounting strips are slidably arranged in the mounting groove, and the tops of the coarse filter screen and the coarse filter screen are provided with the handles.
As a preferable scheme of the utility model, a manual valve is fixedly arranged on one side of the mounting frame, one end of the manual valve is provided with an ammonia injection pipeline, and the ammonia injection pipeline is connected to the surface of the denitration tower.
As a preferable scheme of the utility model, a honeycomb duct is arranged at the top end of the denitration tower, and one end of the honeycomb duct is arranged at one side of the surface of the desulfurization tower.
As a preferable scheme of the utility model, the surface of the water storage tank is provided with a liquid level meter, and the surface of the water storage tank is provided with a backwashing pipe.
As a preferable scheme of the utility model, the bottom ends of the denitration tower and the desulfurization tower are respectively provided with an emptying pipe.
Compared with the prior art, the utility model has the beneficial effects that:
(1) A smoke inlet box is arranged at one side of the bottom of the denitration tower, the coking smoke enters the smoke inlet box through a smoke inlet hole, large particle impurities in the smoke are filtered out through a coarse filter screen in the smoke inlet box, harmful fine particles are further reduced by filtering the smoke again when the smoke passes through a fine filter screen, the coking smoke after the filtering treatment is treated, the particle impurities are reduced to be deposited in a pipeline, the smoke flow is improved, and the occurrence of blockage is reduced;
(2) Through the spray assembly that is equipped with, the inside lime solution of storage water tank is carried to the inside distribution pipe through the water supply pipe after the water pump work, sprays to the flue gas that gets into in the desulfurizing tower through distribution pipe surface mounting's nozzle for lime solution spraying fully contacts and realizes the desulfurization effect with the sulphide in the flue gas.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a filter assembly according to the present utility model;
FIG. 3 is a schematic view of a spray assembly of the present utility model;
FIG. 4 is a schematic diagram of an ammonia injection pipeline installation structure according to the present utility model.
In the figure, 1, a mounting rack; 2, a denitration tower, 3, a desulfurization tower, 31, an exhaust pipe, 4, a filtering component, 41, a smoke inlet box, 42, a smoke inlet hole, 43, a coarse filter screen, 44, a fine filter screen, 45, an installation groove, 46, an installation strip, 47, a handle, 5, a spraying component, 51, a water storage tank, 52, a water pump, 53, a water supply pipe, 54, a distribution pipe, 55, a nozzle, 6, a manual valve, 7, an ammonia injection pipeline, 8, a guide pipe, 9, a liquid level meter, 10, a back flushing pipe, 11 and an evacuation pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a coking flue gas desulfurization and denitrification device comprises a mounting frame 1, a filtering assembly 4 and a spraying assembly 5, wherein a denitrification tower 2 is arranged on the surface of the mounting frame 1, a desulfurization tower 3 is arranged on one side of the denitrification tower 2, and an exhaust pipe 31 is arranged at the top end of the desulfurization tower 3;
Referring to fig. 1 and 2, the filter assembly 4 includes a smoke inlet box 41 installed at one side of the bottom of the denitration tower 2, a smoke inlet 42 is formed on the surface of the smoke inlet box 41, a coarse filter screen 43 is installed in the smoke inlet box 41, and a fine filter screen 44 is installed at one side of the coarse filter screen 43.
When the flue gas filter is particularly used, the flue gas inlet box 41 is arranged at one side of the bottom of the denitration tower 2, coked flue gas enters the flue gas inlet box 41 through the flue gas inlet holes 42, large particle impurities in the flue gas are filtered through the coarse filter screen 43 in the flue gas inlet box 41, harmful fine particles are further reduced by filtering the flue gas again when the flue gas passes through the fine filter screen 44, the coked flue gas after filtering is treated, the particle impurities are reduced to be deposited in a pipeline, the flow of the flue gas is improved, and the occurrence of blockage is reduced.
Referring to fig. 1 and 3, the spray assembly 5 includes a water storage tank 51 installed at one side of the bottom of the desulfurizing tower 3, lime solution is contained in the water storage tank 51, a water pump 52 is installed at one side of the mounting frame 1, one end of the water pump 52 is communicated with the water storage tank 51, a water outlet end of the water pump 52 is connected with a water supply pipe 53, one end of the water supply pipe 53 is provided with a distribution pipe 54, the distribution pipe 54 is installed in the desulfurizing tower 3 and is provided with multiple layers, a plurality of nozzles 55 are fixedly installed on the surface of the distribution pipe 54, and the nozzles 55 face the bottom of the desulfurizing tower 3.
When the desulfurization tower is particularly used, after the water pump 52 works, lime solution in the water storage tank 51 is conveyed into the distribution pipe 54 through the water conveying pipe 53, and flue gas entering the desulfurization tower 3 is sprayed through the spray nozzles 55 arranged on the surface of the distribution pipe 54, so that lime solution spray is fully contacted with sulfide in the flue gas, and a desulfurization effect is realized.
Referring to fig. 1 and 2, an installation groove 45 is formed in the inner wall of the smoke inlet box 41, two sides of the coarse filter screen 43 and the fine filter screen 44 are connected with an installation bar 46, the installation bar 46 is slidably installed in the installation groove 45, and a handle 47 is installed at the tops of the coarse filter screen 43 and the coarse filter screen 43.
When the filter screen filter is particularly used, the inner wall of the smoke inlet box 41 is provided with the mounting groove 45, the coarse filter screen 43 and the fine filter screen 44 are slidably mounted in the mounting groove 45 through the mounting strips 46 on two sides, the filter screen is conveniently taken out by pulling the handle 47, the filter screen is conveniently cleaned or replaced at regular intervals, and the filtering effect is ensured.
Referring to fig. 4, a manual valve 6 is fixedly installed on one side of the installation frame 1, an ammonia injection pipeline 7 is installed at one end of the manual valve 6, and the ammonia injection pipeline 7 is connected to the surface of the denitration tower 2.
When the denitration device is specifically used, the manual valve 6 is arranged on one side of the mounting frame 1, the ammonia injection pipeline 7 is arranged on one side of the manual valve 6, and the denitration effect can be achieved by injecting ammonia into the denitration tower 2.
Referring to fig. 1, a flow guiding pipe 8 is installed at the top end of a denitration tower 2, and one end of the flow guiding pipe 8 is installed at one side of the surface of a desulfurization tower 3.
When the desulfurization tower is particularly used, the top end of the denitration tower 2 is provided with the guide pipe 8, and the flue gas after denitration enters the desulfurization tower 3 through the guide pipe 8, so that further desulfurization treatment is realized.
Referring to fig. 3, a liquid level meter 9 is installed on the surface of a water storage tank 51, and a backwash pipe 10 is installed on the surface of the water storage tank 51.
In specific use, the surface of the water storage tank 51 is provided with the liquid level meter 9, so that the solution amount in the water storage tank 51 is convenient to observe, the regular filling is convenient, the inside is convenient to clean through the back flushing pipe 10, and the pipeline blockage caused by lime solution sediment is avoided.
Referring to fig. 1, the bottom ends of the denitration tower 2 and the desulfurization tower 3 are both provided with an evacuation pipe 11.
When the desulfurization tower is particularly used, the bottom ends of the desulfurization tower 3 and the denitration tower 2 are provided with the emptying pipes 11, so that the water in the tower body can be conveniently discharged.
The flue gas inlet box 41 is arranged on one side of the bottom of the denitration tower 2, the coking flue gas enters the flue gas inlet box 41 through the flue gas inlet holes 42, large particle impurities in the flue gas are filtered through the coarse filter screen 43 in the flue gas inlet box 41, harmful fine particles are further reduced by filtering the flue gas again when the flue gas passes through the fine filter screen 44, the coking flue gas after filtering treatment is treated, particle impurity deposition in a pipeline can be reduced, the flow of the flue gas is improved, and blockage is reduced.
Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and the like within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. A coked flue gas desulfurization and denitrification device, comprising:
the device comprises a mounting frame (1), wherein a denitration tower (2) is mounted on the surface of the mounting frame (1), a desulfurization tower (3) is mounted on one side of the denitration tower (2), and an exhaust pipe (31) is mounted at the top end of the desulfurization tower (3);
The filter assembly (4), the filter assembly (4) comprises a smoke inlet box (41) arranged at one side of the bottom of the denitration tower (2), a smoke inlet hole (42) is formed in the surface of the smoke inlet box (41), a coarse filter screen (43) is arranged in the smoke inlet box (41), and a fine filter screen (44) is arranged at one side of the coarse filter screen (43);
Spray subassembly (5), spray subassembly (5) including installing storage water tank (51) in desulfurizing tower (3) bottom one side, the inside of storage water tank (51) holds lime solution, water pump (52) are installed to one side of mounting bracket (1), one end and storage water tank (51) intercommunication of water pump (52), the play water end of water pump (52) is connected with water supply pipe (53), distribution pipe (54) are installed to the one end of water supply pipe (53), distribution pipe (54) are installed inside desulfurizing tower (3) and are provided with the multilayer, the fixed surface of distribution pipe (54) installs a plurality of nozzles (55), nozzle (55) are towards desulfurizing tower (3) bottom.
2. The coking flue gas desulfurization and denitrification device according to claim 1, wherein the inner wall of the smoke inlet box (41) is provided with a mounting groove (45), both sides of the coarse filter screen (43) and both sides of the fine filter screen (44) are respectively connected with a mounting strip (46), the mounting strips (46) are slidably mounted in the mounting groove (45), and the tops of the coarse filter screen (43) and the coarse filter screen (43) are provided with handles (47).
3. The coking flue gas desulfurization and denitrification device according to claim 1, wherein a manual valve (6) is fixedly arranged on one side of the mounting frame (1), an ammonia injection pipeline (7) is arranged at one end of the manual valve (6), and the ammonia injection pipeline (7) is connected to the surface of the denitrification tower (2).
4. The coking flue gas desulfurization and denitrification device according to claim 1, wherein a flow guide pipe (8) is arranged at the top end of the denitrification tower (2), and one end of the flow guide pipe (8) is arranged at one side of the surface of the desulfurization tower (3).
5. The coking flue gas desulfurization and denitrification device according to claim 1 is characterized in that a liquid level meter (9) is arranged on the surface of the water storage tank (51), and a backwash pipe (10) is arranged on the surface of the water storage tank (51).
6. The coking flue gas desulfurization and denitrification device according to claim 1, wherein the bottom ends of the denitrification tower (2) and the desulfurization tower (3) are respectively provided with an emptying pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423224114.2U CN223615675U (en) | 2024-12-26 | 2024-12-26 | A desulfurization and denitrification device for coking flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423224114.2U CN223615675U (en) | 2024-12-26 | 2024-12-26 | A desulfurization and denitrification device for coking flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223615675U true CN223615675U (en) | 2025-12-02 |
Family
ID=97825304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423224114.2U Active CN223615675U (en) | 2024-12-26 | 2024-12-26 | A desulfurization and denitrification device for coking flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223615675U (en) |
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2024
- 2024-12-26 CN CN202423224114.2U patent/CN223615675U/en active Active
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