Flue gas treatment testing device

Abstract

The utility model relates to a flue gas treatment test device. The flue gas treatment test device comprises a deacidification module, a dust removal module, a denitration module and a pipeline assembly, the pipeline assembly comprises a pipeline structure, the pipeline structure comprises a first pipeline, a second pipeline, a third pipeline and a fourth pipeline, the second pipeline, the third pipeline and the fourth pipeline are all communicated with the first pipeline, the second pipeline is communicated with the dust removal module, the third pipeline is communicated with the deacidification module, and the fourth pipeline is communicated with the denitration module; valves which can be independently controlled are arranged on the first pipeline, the second pipeline, the third pipeline and the fourth pipeline. According to the technical scheme, the problem that in the prior art, a complex flue gas treatment mode is lacked is effectively solved.

Description

Technical Field

[0001] The present application relates to the technical field of flue gas purification, and in particular to a flue gas treatment test device. Background Art

[0002] With the diversification of industrial kiln fuels, the difficulty of treating industrial kiln flue gas is also increasing. In order to reduce the damage of industrial kiln flue gas to the environment, it is necessary to treat the industrial kiln flue gas before discharging it.

[0003] The existing flue gas treatment device (for example, the authorization announcement number is: CN216856239U, and the name is: A new integrated system for desulfurization, denitration and dust removal of kilns) includes a desulfurization module, a denitration module and a dust removal reaction module. The desulfurization module and the denitration module spray desulfurizer and denitration agent into the smoke inlet channel respectively and mix them with the smoke. The smoke in the smoke inlet channel is desulfurized, denitrated and dusted in the dust removal reaction module and then discharged from the clean air channel equipped with an exhaust fan. However, this device has a single flue gas treatment mode and cannot have good adaptability to the flue gas generated by new fuels. Utility Model Content

[0004] The present application provides a flue gas treatment test device to solve the problem that the prior art lacks the ability to explore complex flue gas treatment methods.

[0005] A flue gas treatment test device provided by the present application includes: a deacidification module, a dust removal module, a denitration module and a pipeline assembly. The pipeline assembly includes a pipeline structure, the pipeline structure includes a first pipeline, a second pipeline, a third pipeline and a fourth pipeline, the second pipeline, the third pipeline and the fourth pipeline are all connected to the first pipeline, the second pipeline is connected to the dust removal module, the third pipeline is connected to the deacidification module, the fourth pipeline is connected to the denitration module, and the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are all provided with individually controllable valves.

[0006] In some embodiments, the duct assembly also includes a fifth duct, the fifth duct is connected to the first duct, the dust removal module includes a cyclone dust collector, the fifth duct is connected to the top of the cyclone dust collector, and the second duct is connected to the side wall of the cyclone dust collector.

[0007] In some embodiments, the deacidification module includes a dry deacidification reactor and a wet deacidification reactor, the wet deacidification reactor is connected to a third pipeline, and the pipeline assembly also includes a connecting structure, the connecting structure includes a first connecting pipe, the first end of the first connecting pipe is connected to the dry deacidification reactor, and the second end of the first connecting pipe is connected to the third pipeline.

[0008] In some embodiments, the connection structure further includes a second connecting pipe, a first end of the second connecting pipe is connected to the fifth pipeline, and a second end of the second connecting pipe is connected to the side wall of the dry deacidification reactor.

[0009] In some embodiments, the denitrification module includes a saltpeter dust integrated reactor and an air reheater, the saltpeter dust integrated reactor is connected to a fourth pipeline, and the connection structure also includes a third connecting pipe, the first end of the third connecting pipe is connected to the third pipeline, and the second end of the third connecting pipe is connected to the air reheater.

[0010] In some embodiments, the denitrification module also includes a honeycomb denitrification reactor, and the connecting structure also includes a fourth connecting pipe, the first end of the fourth connecting pipe is connected to the air reheater, the second end of the fourth connecting pipe is connected to the honeycomb denitrification reactor, and the fourth pipeline is connected to the fourth connecting pipe.

[0011] In some embodiments, the pipeline structure also includes a sixth pipeline, which is connected to the first pipeline and the sixth pipeline is connected to the saltpeter dust integrated reactor. The connection structure also includes a fifth connecting pipe, the first end of the fifth connecting pipe is connected to the sixth pipeline, and the second end of the fifth connecting pipe is connected to the honeycomb denitrification reactor.

[0012] In some embodiments, the pipeline structure further includes a seventh pipeline, the dust removal module further includes a bag dust collector, the first end of the seventh pipeline is connected to the first pipeline, and the second end of the seventh pipeline is connected to the bag dust collector.

[0013] In some embodiments, the connection structure further includes a sixth connecting pipe, a first end of the sixth connecting pipe is connected to the sixth pipeline, and a second end of the sixth connecting pipe is connected to the bag filter.

[0014] In some embodiments, the dust removal module also includes a cooling water tank, and the sixth connecting pipe extends into the cooling water tank.

[0015] By applying the technical solution of the present application, the second pipeline, the third pipeline and the fourth pipeline are all connected to the first pipeline, and the first pipeline is used to pass the flue gas. The flue gas entering from the first pipeline can flow to the second pipeline, the third pipeline and the fourth pipeline respectively. The second pipeline is connected to the dust removal module, and the flue gas in the second pipeline flows to the dust removal module. The third pipeline is connected to the deacidification module, and the flue gas in the third pipeline flows to the deacidification module. The fourth pipeline is connected to the denitrification module, and the flue gas in the fourth pipeline flows to the denitrification module. The first pipeline, the second pipeline, the third pipeline and the fourth pipeline are all provided with individually controllable valves. Therefore, when facing flue gas with different components, the flue gas flows in from the first pipeline, and the flue gas can be controlled to flow into the deacidification module, the dust removal module and the denitrification module separately or simultaneously by opening and closing the corresponding valves, so that a more reasonable and efficient arrangement of each module can be explored. The technical solution of the present application effectively solves the problem of the lack of exploration of complex flue gas treatment methods in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0018] Figure 1 A schematic diagram of the structure of a flue gas treatment test device according to an embodiment of the present application is shown;

[0019] Figure 2 The schematic diagram of the structure of the deacidification module, the dust removal module and the denitration module of the embodiment of the present application is shown;

[0020] Figure 3 A schematic structural diagram of a pipeline assembly according to an embodiment of the present application is shown.

[0021] The above drawings include the following reference numerals:

[0022] 10. Deacidification module; 11. Dry deacidification reactor; 12. Wet deacidification reactor; 13. Slurry tank; 14. Liquid extraction pump; 20. Dust removal module; 21. Cyclone dust collector; 22. Bag dust collector; 23. Cooling water tank; 30. Denitration module; 31. Nitrate-dust integrated reactor; 32. Air reheater; 33. Honeycomb denitration reactor; 40. Pipeline assembly; 41. Pipeline structure; 411. First pipeline; 412. Second pipeline; 413. Third pipeline; 414. Fourth pipeline; 415. Fifth pipeline; 416. Sixth pipeline; 417. Seventh pipeline; 42. Connection structure; 421. First connecting pipe; 422. Second connecting pipe; 423. Third connecting pipe; 424. Fourth connecting pipe; 425. Fifth connecting pipe; 426. Sixth connecting pipe. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0025] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways, rotated 90 degrees or in other orientations, and the spatially relative descriptions used herein are interpreted accordingly.

[0026] like Figure 1 and Figure 3 As shown, the embodiment relates to a flue gas treatment test device, including: a deacidification module 10, a dust removal module 20, a denitration module 30 and a pipeline assembly 40. The pipeline assembly 40 includes a pipeline structure 41, and the pipeline structure 41 includes a first pipeline 411, a second pipeline 412, a third pipeline 413 and a fourth pipeline 414. The second pipeline 412, the third pipeline 413 and the fourth pipeline 414 are all connected to the first pipeline 411, the second pipeline 412 is connected to the dust removal module 20, the third pipeline 413 is connected to the deacidification module 10, and the fourth pipeline 414 is connected to the denitration module 30. The first pipeline 411, the second pipeline 412, the third pipeline 413 and the fourth pipeline 414 are all provided with individually controllable valves.

[0027] Applying the technical solution of this embodiment, the second pipe 412, the third pipe 413 and the fourth pipe 414 are all connected to the first pipe 411, and the first pipe 411 is used to pass the flue gas, and the flue gas entering from the first pipe 411 can flow to the second pipe 412, the third pipe 413 and the fourth pipe 414 respectively. The second pipe 412 is connected to the dust removal module 20, and the flue gas in the second pipe 412 flows to the dust removal module 20. The third pipe 413 is connected to the deacidification module 10, and the flue gas in the third pipe 413 flows to the deacidification module 10. The fourth pipe 414 is connected to the denitration module 30, and the flue gas in the fourth pipe 414 flows to the denitration module 30. The first pipe 411, the second pipe 412, the third pipe 413 and the fourth pipe 414 are all provided with individually controllable valves. Therefore, when facing flue gas with different components, the flue gas flows in from the first pipe 411, and the flue gas can be controlled to flow into the deacidification module 10, the dust removal module 20 and the denitration module 30 individually or simultaneously by opening and closing the corresponding valves, so as to explore a more reasonable and efficient arrangement of each module. The technical solution of this embodiment effectively solves the problem of lack of exploration of complex flue gas treatment methods in the prior art.

[0028] like Figure 2 and Figure 3 As shown, in some embodiments, the pipeline assembly 40 further includes a fifth pipeline 415, the fifth pipeline 415 is connected to the first pipeline 411, the dust removal module 20 includes a cyclone dust collector 21, the fifth pipeline 415 is connected to the top of the cyclone dust collector 21, and the second pipeline 412 is connected to the side wall of the cyclone dust collector 21. The flue gas can enter or flow out of the cyclone dust collector 21 through the fifth pipeline 415 or the second pipeline 412, and a valve that can be controlled separately is provided on the fifth pipeline 415.

[0029] like Figure 2 and Figure 3 As shown, in some embodiments, the deacidification module 10 includes a dry deacidification reactor 11 and a wet deacidification reactor 12, the wet deacidification reactor 12 is connected to the third pipeline 413, and the flue gas can flow to the dry deacidification reactor 11 and / or the wet deacidification reactor 12 through the third pipeline 413, and the pipeline assembly 40 also includes a connecting structure 42, the connecting structure 42 includes a first connecting pipe 421, the first end of the first connecting pipe 421 is connected to the dry deacidification reactor 11, the second end of the first connecting pipe 421 is connected to the third pipeline 413, and the first connecting pipe 421 is provided with a valve that can be controlled separately, and the flue gas is prevented from entering the dry deacidification reactor 11 by closing the valve. It should be noted that the deacidification module 10 also includes a slurry tank 13 and a liquid pump 14, and the connecting structure 42 also includes a seventh connecting pipe and an eighth connecting pipe, the slurry tank 13 and the liquid pump 14 are connected through the seventh connecting pipe, and the liquid pump 14 is connected to the wet deacidification reactor 12 through the eighth connecting pipe. Limestone solution is placed in the slurry box 13.

[0030] It should be noted that the flue gas flows to the cyclone dust collector 21 through the second pipe 412, then flows out from the cyclone dust collector 21 to the first pipe 411 through the fifth pipe 415, and then flows from the first pipe 411 to the third pipe 413. By controlling the closing of the valve on the first connecting pipe 421, the flue gas can flow to the wet deacidification reactor 12.

[0031] like Figure 2 and Figure 3 As shown, in some embodiments, the connection structure 42 also includes a second connecting pipe 422, the first end of the second connecting pipe 422 is connected to the fifth pipeline 415, the second end of the second connecting pipe 422 is connected to the side wall of the dry deacidification reactor 11, the dry deacidification reactor 11 is connected to the cyclone dust collector 21 through the second connecting pipe 422, and a separately controllable valve is provided on the second connecting pipe 422.

[0032] like Figure 2 and Figure 3 As shown, in some embodiments, the denitration module 30 includes a saltpeter-dust integrated reactor 31 and an air reheater 32. The saltpeter-dust integrated reactor 31 is connected to the fourth pipe 414. The flue gas in the first pipe 411 can flow to the saltpeter-dust integrated reactor 31 through the fourth pipe 414. The connection structure 42 also includes a third connecting pipe 423. The first end of the third connecting pipe 423 is connected to the third pipe 413, and the second end of the third connecting pipe 423 is connected to the air reheater 32. The flue gas in the third pipe 413 flows to the air reheater 32 through the third connecting pipe 423. The air reheater 32 can raise the temperature of the flue gas treated by the wet deacidification reactor 12. The third connecting pipe 423 is provided with a valve near the wet deacidification reactor 12.

[0033] like Figure 2 and Figure 3 As shown, in some embodiments, the denitration module 30 further includes a honeycomb denitration reactor 33, and the connection structure 42 further includes a fourth connection pipe 424, the first end of the fourth connection pipe 424 is connected to the air reheater 32, the second end of the fourth connection pipe 424 is connected to the honeycomb denitration reactor 33, the fourth pipeline 414 is connected to the fourth connection pipe 424, and the flue gas heated by the air reheater 32 flows to the honeycomb denitration reactor 33 or the fourth pipeline 414 through the fourth connection pipe 424. A valve is set at the position of the fourth connection pipe 424 close to the honeycomb denitration reactor 33, and closing the valve allows the flue gas to flow to the salt dust integrated reactor 31 through the fourth pipeline 414.

[0034] like Figure 2 and Figure 3As shown, in some embodiments, the pipeline structure 41 further includes a sixth pipeline 416, the sixth pipeline 416 is connected to the first pipeline 411, the sixth pipeline 416 is connected to the saltpeter dust integrated reactor 31, the flue gas in the first pipeline 411 can flow to the saltpeter dust integrated reactor 31 through the sixth pipeline 416, the connection structure 42 further includes a fifth connecting pipe 425, the first end of the fifth connecting pipe 425 is connected to the sixth pipeline 416, the second end of the fifth connecting pipe 425 is connected to the honeycomb denitration reactor 33, and the flue gas treated by the honeycomb denitration reactor 33 flows to the sixth pipeline 416 through the fifth connecting pipe 425. A valve is provided at the position of the sixth pipeline 416 near the saltpeter dust integrated reactor 31.

[0035] like Figure 2 and Figure 3 As shown, in some embodiments, the pipeline structure 41 further includes a seventh pipeline 417, and the dust removal module 20 further includes a bag filter 22. The first end of the seventh pipeline 417 is connected to the first pipeline 411, and the second end of the seventh pipeline 417 is connected to the bag filter 22. The flue gas in the first pipeline 411 can flow to the bag filter 22 through the seventh pipeline 417. The connection structure 42 also includes a sixth connecting pipe 426, the first end of the sixth connecting pipe 426 is connected to the sixth pipeline 416, and the second end of the sixth connecting pipe 426 is connected to the bag filter 22. The flue gas in the sixth pipeline 416 can flow to the bag filter 22 through the sixth connecting pipe 426, and the sixth pipeline 416 and the sixth connecting pipe 426 are both provided with valves that can be controlled separately. The dust removal module 20 also includes a cooling water tank 23, and the sixth connecting pipe 426 goes deep into the cooling water tank 23, and the flue gas in the sixth connecting pipe 426 can be cooled down, so that the flue gas temperature entering the bag filter 22 meets the requirements.

[0036] It should be noted that a valve is provided on the first pipeline 411 between the second pipeline 412 and the fifth pipeline 415, and a valve is provided on the first pipeline 411 between the third pipeline 413 and the fifth pipeline 415. A valve is provided on the first pipeline 411 between the third pipeline 413 and the fourth pipeline 414, a valve is provided on the first pipeline 411 between the fourth pipeline 414 and the sixth pipeline 416, and a valve is provided on the first pipeline 411 between the sixth pipeline 416 and the seventh pipeline 417. In this embodiment, all valves are temperature-resistant ball valves. Valves can be provided on each pipeline in this embodiment as required.

[0037] From the above, we can know that this system can adjust the order of multiple modules and explore the processing order of complex flue gas. The following are two examples of module arrangement order:

[0038] In the first method, the flue gas flows from the first pipe 411 to the cyclone dust collector 21 through the second pipe 412, flows from the cyclone dust collector 21 to the dry deacidification reactor 11 through the second connecting pipe 422, flows from the dry deacidification reactor 11 to the air reheater 32 through the third pipe 413 and the third connecting pipe 423 (at this time, the valve on the first connecting pipe 421 and the valve on the third connecting pipe 423 near the wet deacidification reactor 12 are in a closed state), and flows from the air reheater 32 to the fourth connecting pipe 4 24 flows to the honeycomb denitration reactor 33 (at this time, the valve on the fourth pipe 414 is in a closed state), and flows from the honeycomb denitration reactor 33 through the fifth connecting pipe 425 and the sixth connecting pipe 426 to the bag filter 22, and then flows through the seventh pipe 417 to the first pipe 411 for discharge (at this time, the valve set on the sixth pipe 416 near the position of the integrated reactor 31 for salt and dust, and the valve set on the first pipe 411 between the sixth pipe 416 and the seventh pipe 417 are all in a closed state).

[0039] The second type is that the flue gas flows from the first pipe 411 through the second pipe 412 to the cyclone dust collector 21, and flows from the cyclone dust collector 21 through the second connecting pipe 422 to the dry deacidification reactor 11 (at this time, the valve on the fifth pipe 415 and the valve set on the first pipe 411 between the second pipe 412 and the fifth pipe 415 are in a closed state), and flows from the dry deacidification reactor 11 through the third pipe 413 and the first pipe 411 to the saltpeter dust integrated reactor 31 (at this time, the valve on the fourth pipe is in a closed state), and flows from the saltpeter dust integrated reactor 31 through the sixth pipe 416 to the first pipe 411 for discharge (at this time, the valve set on the sixth connecting pipe 426 is in a closed state).

[0040] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0041] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0042] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flue gas treatment test device, characterized in that: include: A deacidification module (10); Dust removal module (20); Denitration module (30); A pipeline assembly (40), wherein the pipeline assembly (40) comprises a pipeline structure (41), wherein the pipeline structure (41) comprises a first pipeline (411), a second pipeline (412), a third pipeline (413) and a fourth pipeline (414), wherein the second pipeline (412), the third pipeline (413) and the fourth pipeline (414) are all connected to the first pipeline (411), the second pipeline (412) and the dust removal module (20), the third pipeline (413) and the deacidification module (10), and the fourth pipeline (414) and the denitration module (30), and the first pipeline (411), the second pipeline (412), the third pipeline (413) and the fourth pipeline (414) are all provided with individually controllable valves.

2. The flue gas treatment test device according to claim 1, characterized in that: The duct assembly (40) further comprises a fifth duct (415), the fifth duct (415) being in communication with the first duct (411), the dust removal module (20) comprising a cyclone dust collector (21), the fifth duct (415) being in communication with the top of the cyclone dust collector (21), and the second duct (412) being in communication with the side wall of the cyclone dust collector (21).

3. The flue gas treatment test device according to claim 2, characterized in that: The deacidification module (10) comprises a dry deacidification reactor (11) and a wet deacidification reactor (12), wherein the wet deacidification reactor (12) is connected to the third pipeline (413), and the pipeline assembly (40) further comprises a connecting structure (42), wherein the connecting structure (42) comprises a first connecting pipe (421), wherein a first end of the first connecting pipe (421) is connected to the dry deacidification reactor (11), and a second end of the first connecting pipe (421) is connected to the third pipeline (413).

4. The flue gas treatment test device according to claim 3, characterized in that: The connection structure (42) further comprises a second connection pipe (422), wherein a first end of the second connection pipe (422) is connected to the fifth pipeline (415), and a second end of the second connection pipe (422) is connected to a side wall of the dry deacidification reactor (11).

5. The flue gas treatment test device according to claim 3, characterized in that: The denitrification module (30) includes a saltpeter dust integrated reactor (31) and an air reheater (32), the saltpeter dust integrated reactor (31) is connected to the fourth pipeline (414), the connection structure (42) also includes a third connecting pipe (423), the first end of the third connecting pipe (423) is connected to the third pipeline (413), and the second end of the third connecting pipe (423) is connected to the air reheater (32).

6. The flue gas treatment test device according to claim 5, characterized in that: The denitration module (30) further includes a honeycomb denitration reactor (33), and the connection structure (42) further includes a fourth connection pipe (424), a first end of the fourth connection pipe (424) is connected to the air reheater (32), a second end of the fourth connection pipe (424) is connected to the honeycomb denitration reactor (33), and the fourth pipeline (414) is connected to the fourth connection pipe (424).

7. The flue gas treatment test device according to claim 6, characterized in that: The pipeline structure (41) also includes a sixth pipeline (416), the sixth pipeline (416) is connected to the first pipeline (411), the sixth pipeline (416) is connected to the saltpeter dust integrated reactor (31), and the connection structure (42) also includes a fifth connecting pipe (425), the first end of the fifth connecting pipe (425) is connected to the sixth pipeline (416), and the second end of the fifth connecting pipe (425) is connected to the honeycomb denitrification reactor (33).

8. The flue gas treatment test device according to claim 7, characterized in that: The pipeline structure (41) also includes a seventh pipeline (417), and the dust removal module (20) also includes a bag dust collector (22). The first end of the seventh pipeline (417) is connected to the first pipeline (411), and the second end of the seventh pipeline (417) is connected to the bag dust collector (22).

9. The flue gas treatment test device according to claim 8, characterized in that: The connection structure (42) further comprises a sixth connection pipe (426), a first end of the sixth connection pipe (426) being connected to the sixth pipeline (416), and a second end of the sixth connection pipe (426) being connected to the bag filter (22).

10. The flue gas treatment test device according to claim 9, characterized in that: The dust removal module (20) also includes a cooling water tank (23), and the sixth connecting pipe (426) extends deep into the cooling water tank (23).

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