Desulfurization, denitration and dust removal integrated equipment

Abstract

The utility model relates to desulfurization, denitrification and dust removal integrated equipment which comprises a shell, a reaction cavity is concavely formed in the top of the shell, and a reverse blowing assembly is arranged on one side of the shell; the back flushing assembly comprises an air bag, an air storage cavity is formed in the air bag, a heat preservation base is arranged above the air storage cavity, an exhaust cavity is formed in the top of the heat preservation base, and a heating cavity is formed in the bottom of the heat preservation base. Flue gas enters the desulfurization, dust removal and denitration integrated device, when the flue gas passes through the ceramic composite pipe, unreacted baking soda covers the outer surface of the ceramic composite pipe and continues to react with sulfur dioxide in the flue gas, sulfur dioxide in the flue gas is further removed, and meanwhile, under the screening and intercepting effects of the wall of the filter cylinder, the flue gas is discharged to the outside. Dust is blocked on the outer surface of the ceramic composite pipe wall, flue gas without dust and sulfur slowly passes through a filter cylinder thick wall layer of the ceramic composite pipe and is in full contact with a catalyst in the filter cylinder thick wall layer, and nitric oxide reacts with a denitration agent under the action of the catalyst.

Description

Technical Field

[0001] This invention belongs to the field of integrated desulfurization, denitrification and dust removal, specifically an integrated desulfurization, denitrification and dust removal device. Background Technology

[0002] There are many traditional treatment schemes for desulfurization, denitrification, and dust removal of industrial furnace flue gas. These traditional schemes typically involve separate implementation of desulfurization, denitrification, and dust removal processes, which suffers from drawbacks such as long process routes, numerous pieces of equipment, susceptibility to clogging, high energy consumption, secondary pollution, and high operation and maintenance costs. With the development of environmental protection technologies, more and more environmental companies and research institutions are studying how to integrate desulfurization, denitrification, and dust removal into a unified process (integrated desulfurization, denitrification, and dust removal). Traditional flue gas treatment suffers from problems such as dust contaminating SCR catalysts and low backflushing airflow temperatures affecting the lifespan of filtration equipment. Therefore, an integrated desulfurization, denitrification, and dust removal device is proposed. Summary of the Invention

[0003] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0004] Given the following technical problems in the existing technology: traditional flue gas treatment suffers from dust contamination of SCR catalysts and low backflushing airflow temperature affecting the service life of filtration equipment.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an integrated desulfurization, denitrification and dust removal device, comprising a shell (1), wherein a working chamber (12) is reserved at the top of the shell (1), and a backflushing assembly is provided on one side of the shell (1); the backflushing assembly comprises an air tank (10), wherein an air storage chamber (13) is provided inside the air tank (10), an insulation seat (19) is provided above the air storage chamber (13), and an exhaust chamber (18) is provided at the top of the insulation seat (19). A heating chamber (14) is provided at the bottom of 19), and the middle part between the exhaust chamber (18) and the heating chamber (14) is connected by a pipe; a heating mechanism is provided on the inner side of the heating chamber (14), the heating mechanism includes an electric heating wire (15), a heating cylinder (16) and a diverter cylinder (17), the bottom end of the diverter cylinder (17) is inserted into the gas storage chamber (13), and a heating cylinder (16) is provided on each side of the diverter cylinder (17), and an electric heating wire (15) is wound around the outer side of the heating cylinder (16).

[0006] An opening is reserved at the top of the ceramic composite pipe (3).

[0007] As a preferred technical solution for an integrated desulfurization, denitrification and dust removal equipment, the backflushing assembly extends into the interior of the working chamber (12), the lower part of the working chamber (12) is provided with a processing mechanism, the top of the processing mechanism is connected to the backflushing assembly, the top of the exhaust chamber (18) is connected to the connecting pipe (11), and the bottom part of the diverter (17) extending into the gas storage chamber (13) is provided with a solenoid valve (20).

[0008] As a preferred technical solution for an integrated desulfurization, denitrification and dust removal equipment, the backflushing assembly further includes a backflushing pipe (2) and a connecting pipe (11). The air tank (10) is provided with multiple connecting pipes (11), and the top of the connecting pipe (11) is connected to the backflushing pipe (2). The air tank (10) can supply backflushing airflow to multiple backflushing pipes (2) simultaneously through the connecting pipe (11).

[0009] As a preferred technical solution for an integrated desulfurization, denitrification and dust removal equipment, the heating mechanism includes a mounting frame (23), an exhaust pipe (24) and a ceramic composite pipe (3). The mounting frame (23) is located on the lower side of the working chamber (12). Multiple ceramic composite pipes (3) are evenly arranged on the mounting frame (23). The ceramic composite pipes (3) are vertically arranged. An exhaust pipe (24) is provided at the top of the ceramic composite pipe (3). Multiple air distribution pipes (25) are evenly arranged at the bottom of the backflush pipe (2). The air distribution pipes (25) correspond one-to-one with the exhaust pipes (24). The air distribution pipes (25) guide the airflow in (2) into the interior of (25).

[0010] As a preferred technical solution for an integrated desulfurization, denitrification and dust removal equipment, the outer surface of the ceramic composite pipe (3) is covered with baking soda, and the inner wall of the ceramic composite pipe (3) is provided with a nitrogen oxide catalyst.

[0011] As a preferred technical solution for an integrated desulfurization, denitrification and dust removal equipment, a central column (21) is provided in the center of the heating cylinder (16), and multiple heating wires (22) are provided on the outer periphery of the central column (21). The heating wires (15) and (22) simultaneously heat the inner and outer sides of the heating cylinder (16), so that the airflow in the heating cylinder (16) is heated efficiently and rapidly. The airflow first disperses to both sides of the heating chamber (14) through the heating cylinder (16), and then gathers and is discharged in the middle of the heating chamber (14). During the process, the airflow is heated twice by the heating wire (15).

[0012] As a preferred technical solution for an integrated desulfurization, denitrification and dust removal equipment, the top of the shell (1) is provided with a lifting lug (8), the top and middle of the shell (1) are provided with multiple reinforcing plates (9), and the bottom of the shell (1) is provided with several supporting brackets (4).

[0013] The beneficial effects of the integrated desulfurization, denitrification and dust removal equipment of the present invention are as follows: When flue gas enters the integrated desulfurization, dust removal and denitrification device, when the flue gas passes through the ceramic composite tube (3), the unreacted baking soda covers the outer surface of the ceramic composite tube (3) and continues to react with sulfur dioxide in the flue gas, further removing sulfur dioxide from the flue gas. At the same time, under the sieving and interception effect of the filter tube wall, the dust is blocked on the outer surface of the ceramic composite tube (3) wall. The flue gas without dust and sulfur slowly passes through the thick wall layer of the filter tube of the ceramic composite tube (3) and fully contacts the catalyst therein. Nitrogen oxides react with the denitrification agent under the action of the catalyst to generate nitrogen and water. The catalyst is located inside the ceramic fiber composite tube. The surface layer can effectively remove dust in the tail gas, so that harmful components will not come into contact with the catalyst, ensuring that the catalyst will not be poisoned and deactivated. The heating mechanism can efficiently heat the air, and the heating cavity is small in volume, with better heating and heat preservation effects, thereby saving a lot of energy. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0015] Figure 1 This is a schematic diagram of the front structure of the present invention;

[0016] Figure 2 For the present invention Figure 1 A magnified schematic diagram of part A in the middle section;

[0017] Figure 3 This is a schematic diagram of the internal structure of the air bag (10) of the present invention;

[0018] Figure 4 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 5 This is a top view of the structure of the present invention;

[0020] Figure 6 This is a schematic diagram of the cross-sectional structure of the heating cylinder (16) of the present invention.

[0021] Reference numerals: 1. Shell; 2. Backflush pipe; 3. Ceramic composite pipe; 4. Support bracket; 6. Pipe clamp; 7. Bracket; 8. Lifting lug; 9. Reinforcing plate; 10. Air tank; 11. Connecting pipe; 12. Reaction chamber; 13. Gas storage chamber; 14. Heating chamber; 15. Heating wire one; 16. Heating cylinder; 17. Diverter cylinder; 18. Exhaust chamber; 19. Insulation seat; 20. Solenoid valve; 21. Central column; 22. Heating wire two; 23. Mounting bracket; 24. Exhaust pipe; 25. Gas distribution pipe. Detailed Implementation

[0022] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0025] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0026] like Figures 1-6 As shown, the present invention proposes an integrated desulfurization, denitrification and dust removal equipment, including a shell (1), the top of the shell (1) having a reserved working chamber (12), and a backflushing assembly being provided on one side of the shell (1);

[0027] The backflush assembly includes an air bag (10), an air storage chamber (13) is provided inside the air bag (10), a heat preservation seat (19) is provided above the air storage chamber (13), an exhaust chamber (18) is provided at the top of the heat preservation seat (19), a heating chamber (14) is provided at the bottom of the heat preservation seat (19), and the middle part between the exhaust chamber (18) and the heating chamber (14) is connected by a pipe.

[0028] A heating mechanism is provided inside the heating chamber (14). The heating mechanism includes a heating wire (15), a heating cylinder (16), and a diverter cylinder (17). The bottom end of the diverter cylinder (17) is inserted into the gas storage chamber (13). A heating cylinder (16) is provided on each side of the diverter cylinder (17). The heating wire (15) is wound around the outside of the heating cylinder (16).

[0029] The backflush assembly extends into the interior of the working chamber (12). A processing mechanism is provided at the lower part of the working chamber (12). The top of the processing mechanism is connected to the backflush assembly. The top of the exhaust chamber (18) is connected to the connecting pipe (11). A solenoid valve (20) is provided at the bottom of the diverter (17) that extends into the gas storage chamber (13).

[0030] The backflush assembly also includes a backflush pipe (2) and a connecting pipe (11). The air bag (10) is provided with multiple connecting pipes (11), and the top of the connecting pipe (11) is connected to the backflush pipe (2). The air bag (10) can supply backflush airflow to multiple backflush pipes (2) at the same time through the connecting pipe (11).

[0031] The heating mechanism includes a mounting bracket (23), an exhaust pipe (24), and a ceramic composite tube (3). The mounting bracket (23) is located on the lower side of the working chamber (12). Multiple ceramic composite tubes (3) are evenly arranged on the mounting bracket (23). The ceramic composite tubes (3) are vertically arranged. An exhaust pipe (24) is provided at the top of the ceramic composite tubes (3). Multiple air distribution pipes (25) are evenly arranged at the bottom of the backflush pipe (2). The air distribution pipes (25) correspond one-to-one with the exhaust pipes (24). The air distribution pipes (25) guide the airflow in (2) into the interior of (25).

[0032] The outer surface of the ceramic composite tube (3) is covered with baking soda, and the inner wall of the ceramic composite tube (3) is provided with a nitrogen oxide catalyst.

[0033] The heating cylinder (16) has a central column (21) in its center and multiple heating wires (22) on its outer periphery. The heating wires (15) and (22) simultaneously heat the inner and outer sides of the heating cylinder (16), so that the airflow in the heating cylinder (16) is heated efficiently and rapidly. The airflow first disperses to both sides of the heating chamber (14) through the heating cylinder (16) and then gathers and is discharged in the middle of the heating chamber (14). During the process, the airflow is heated twice by the heating wire (15).

[0034] The top of the shell (1) is provided with a lifting lug (8), and the top and middle of the shell (1) are provided with multiple reinforcing plates (9). The bottom of the shell (1) is provided with several supporting brackets (4).

[0035] The nitrogen oxide catalysts include SCR catalysts, and a filter cartridge is provided inside the ceramic composite tube (3).

[0036] The specific implementation method is as follows: flue gas enters the desulfurization, dust removal and denitrification integrated device from the bottom of the shell (1). When the flue gas passes through the ceramic composite tube, unreacted baking soda covers the outer surface of the ceramic composite tube and continues to react with sulfur dioxide in the flue gas, further removing sulfur dioxide from the flue gas. At the same time, under the sieving and interception effect of the filter tube wall, the dust is blocked on the outer surface of the ceramic composite tube wall. The flue gas without dust and sulfur slowly passes through the thick wall layer of the filter tube of the ceramic composite tube and fully contacts the catalyst therein. Nitrogen oxides react with the denitrification agent under the action of the catalyst to generate nitrogen and water.

[0037] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. An integrated desulfurization, denitrification, and dust removal equipment, characterized in that: Includes a housing (1), the top of which is reserved with a working cavity (12), and a backflush assembly is provided on one side of the housing (1); The backflush assembly includes an air bag (10), an air storage chamber (13) is provided inside the air bag (10), an insulation seat (19) is provided above the air storage chamber (13), an exhaust chamber (18) is provided at the top of the insulation seat (19), a heating chamber (14) is provided at the bottom of the insulation seat (19), and the exhaust chamber (18) and the heating chamber (14) are connected by a pipe in the middle. A heating mechanism is provided on the inner side of the heating chamber (14). The heating mechanism includes a flow divider (17). The bottom end of the flow divider (17) is inserted into the gas storage chamber (13). A heating cylinder (16) is provided on each side of the flow divider (17). An electric heating wire (15) is wound around the outer side of the heating cylinder (16).

2. The integrated desulfurization, denitrification, and dust removal equipment according to claim 1, characterized in that: The backflush assembly extends into the interior of the working chamber (12). The lower part of the working chamber (12) is provided with a processing mechanism. The top of the processing mechanism is connected to the backflush assembly. The top of the exhaust chamber (18) is connected to the connecting pipe (11). The bottom part of the diverter (17) extending into the gas storage chamber (13) is provided with a solenoid valve (20).

3. The integrated desulfurization, denitrification, and dust removal equipment according to claim 1, characterized in that: The backflush assembly also includes a backflush pipe (2) and a connecting pipe (11). The air bag (10) is provided with multiple connecting pipes (11), and the top of the connecting pipe (11) is connected to the backflush pipe (2).

4. The integrated desulfurization, denitrification, and dust removal equipment according to claim 3, characterized in that: The heating mechanism includes a mounting bracket (23), an exhaust pipe (24), and a ceramic composite pipe (3). The mounting bracket (23) is located on the lower side of the working chamber (12). Multiple ceramic composite pipes (3) are evenly arranged on the mounting bracket (23). The ceramic composite pipes (3) are vertically arranged. An exhaust pipe (24) is provided on the top of the ceramic composite pipe (3). Multiple air distribution pipes (25) are evenly arranged on the bottom of the backflush pipe (2). The air distribution pipes (25) correspond one-to-one with the exhaust pipes (24).

5. The integrated desulfurization, denitrification, and dust removal equipment according to claim 4, characterized in that: The outer surface of the ceramic composite tube (3) is covered with baking soda, and the inner wall of the ceramic composite tube (3) is provided with a nitrogen oxide catalyst.

6. The integrated desulfurization, denitrification, and dust removal equipment according to claim 1, characterized in that: The heating cylinder (16) has a central column (21) in its center and a plurality of heating wires (22) on its outer periphery.

7. The integrated desulfurization, denitrification, and dust removal equipment according to claim 1, characterized in that: The top of the shell (1) is provided with a lifting lug (8), and the top and middle of the shell (1) are provided with multiple reinforcing plates (9). The bottom of the shell (1) is provided with several supporting brackets (4).

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