Flue gas desulfurization and dust removal absorption tower

Abstract

The utility model discloses a flue gas desulfurization and dust removal absorption tower, belongs to the technical field of flue gas desulfurization and dust removal, and aims to solve the problem that gas circulation is affected when an electrostatic dust removal plate is blocked after being used for a long time. Through the rubber elastic frame, the spring, the elastic plate, the connecting block and the material receiving box, dust in smoke is intercepted through the filter screen, under the elastic telescopic action of the rubber elastic frame and the spring, guided-in smoke blows the elastic plate, so that the elastic plate indirectly knocks the filter screen, the filter screen vibrates, and the dust in the smoke is removed. Dust on one side of the filter screen falls into the material receiving box through the flow guide groove to be collected, workers can clean the filter screen conveniently, the situation that the filter screen is blocked is avoided, the circulation of smoke is kept, the filter screen is separated from the filter box and the tower body conveniently through the connecting groove and the connecting block, regular replacement is achieved, and the use effect of the filter screen is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas desulfurization and dust removal, in particular to a flue gas desulfurization and dust removal absorption tower. Background Art

[0002] Absorption towers are equipment that perform absorption operations and are divided into three categories based on the form of gas-liquid contact. The first category includes plate towers, bubbling absorption towers, and stirred bubbling absorption towers, where the gas is dispersed in the liquid phase in the form of bubbles; the second category includes ejectors, venturis, and spray towers, where the liquid is dispersed in the gas phase in the form of droplets; and the third category includes packed absorption towers and falling film absorption towers, where the liquid contacts the gas phase in the form of a film.

[0003] Chinese patent authorization announcement number CN211753313U discloses an absorption tower for flue gas desulfurization and dust removal, comprising a dust removal mechanism for flue gas dust removal, a fan, and an absorption tower, wherein the dust removal mechanism is located on one side of the absorption tower, the fan is located on one side of the dust removal mechanism, and the utility model further comprises a spray mechanism and a gas sensor for flue gas desulfurization, the spray mechanism is arranged on the other side of the absorption tower, and the gas sensor is located at the top of the absorption tower; the utility model utilizes a main air pipe to pass the flue gas to be absorbed into the bronchus, blows the flue gas into the absorption liquid through the openings on the bronchus, thereby increasing the contact area between the flue gas and the absorption liquid, thereby absorbing the sulfur-containing gas in the flue gas, utilizes a three-stage spray pipe to spray the absorption liquid into the absorption tower, thereby reducing the concentration of dust and sulfide gas in the entire flue gas, and detects the discharged flue gas through the gas sensor;

[0004] The above-mentioned existing technical solution has the following shortcomings: during the use of the absorption tower, the dust is intercepted by the electrostatic dust removal plate. After being used for a long time, a large amount of dust will accumulate on the electrostatic dust removal plate, causing the electrostatic dust removal plate to be blocked, affecting the gas flowability, and thus affecting the flue gas desulfurization and dust removal treatment efficiency. Therefore, it is necessary to design a flue gas desulfurization and dust removal absorption tower to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a flue gas desulfurization and dust removal absorption tower to solve the problem in the above background technology that the electrostatic dust removal plate will affect the gas flowability when it is blocked after long-term use.

[0006] The duct is provided with an air filter, and the duct is provided with an air filter, and the duct is provided with an air filter, and the duct is provided with an air filter. The outer cover is fixed with a button bar, and the button bar has a button bar that is fixed with a button bar, and the button bar is fixed with a button bar, and the button bar is closed by a button bar.

[0007] Preferably, the rotating shaft is located below the air inlet, the elastic plates are arranged in a cross shape on the outside of the rotating shaft, the length of the elastic plates is greater than the distance between the rotating shaft and the filter screen, and the guide groove is arranged in an inverted trapezoidal shape.

[0008] Preferably, connecting blocks are fixed at both ends of the installation frame, connecting grooves are provided at both ends of the inner wall of the filter box, and the connecting grooves are slidingly connected to the connecting pipes. The size of the connecting grooves is adapted to the size of the connecting pipes, and the connecting grooves are located at both ends of the installation grooves.

[0009] Preferably, a sealing block is fixed on one side of the material placement frame close to the tower body, a slot is provided on one side of the inner wall of the tower body, and the slots are engaged with the sealing block, and the cross-sections of the sealing block and the slots are both arranged in a U-shape.

[0010] Preferably, the air outlet nozzles are all arranged in an inclined shape, and the air outlet nozzles are distributed in a cross shape on the outside of the connecting pipe.

[0011] Preferably, a filter plate is clamped on the top of the tower body, and the filter plate is located directly above the air outlet.

[0012] Preferably, a bracket is fixedly connected to the top of the tower body, and a roof is fixed to the top of the bracket, and the cross-section of the roof is arranged in an inverted V shape.

[0013] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects:

[0014] The dust in the flue gas is intercepted by the filter. Under the elastic expansion and contraction of the rubber elastic frame and the spring, the introduced flue gas blows the elastic plate, causing the elastic plate to indirectly knock on the filter, causing the filter to vibrate, and the dust on one side of the filter falls into the inside of the receiving box through the guide groove for collection, which is convenient for the staff to carry out centralized cleaning, avoids the filter from being blocked, and maintains the fluidity of the flue gas;

[0015] The flue gas is dispersed into the absorption liquid through multiple groups of air outlet nozzles, so that the flue gas can react with the absorption liquid as much as possible to achieve the desulfurization effect. Under the turbulent effect of the spoiler, the remaining gas stays under the S-shaped spray pipe for a longer time, and the S-shaped spray pipe is connected to the external absorption liquid for spray desulfurization, which further improves the flue gas treatment effect. The secondary desulfurized gas is further purified and dehumidified by the activated carbon bag inside the material frame, which improves the desulfurization and dust removal effect of the overall tower body on the flue gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a schematic diagram of the front cross-section structure of the present utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the installation frame of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the mobile frame of the utility model;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model.

[0021] Explanation of the reference numerals in the figure: 1. Ceiling; 2. Filter plate; 3. Bracket; 4. Tower body; 5. Material placing frame; 6. S-shaped spray pipe; 7. Spoiler; 8. Filter box; 9. Air inlet pipe; 10. Material receiving box; 11. Guide groove; 12. Rotating shaft; 13. Connecting groove; 14. Connecting pipe; 15. Air outlet nozzle; 16. Guide pipe; 17. Card slot; 18. Activated carbon bag; 19. Sealing block; 20. Mounting frame; 21. Rubber elastic frame; 22. Filter screen; 23. Elastic plate; 24. Connecting block; 25. Spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0024] Combine Figure 1 、 Figure 2 、 Figure 3 and Figure 4The utility model is a flue gas desulfurization and dust removal absorption tower, including a tower body 4, a filter box 8 is provided at the bottom end of the tower body 4, and a mounting groove is provided inside the filter box 8, an air inlet pipe 9 is provided on the outer surface of the tower body 4, and an air inlet is provided at the bottom end of one side of the outer wall of the tower body 4. The air inlet connects the inside of the air inlet pipe 9 with the inside of the filter box 8. A guide pipe 16 is fixed on one side of the filter box 8, and the other side of the guide pipe 16 is fixedly connected to the inner wall of the tower body 4. The bottom end of the guide pipe 16 is fixed with a connecting The filter box 8 is connected to the interior of the tower body 4 through the mounting groove, the guide pipe 16, the connecting pipe 14 and the air outlet nozzle 15. The interior of the mounting groove is slidably connected to the mounting frame 20, and the interior of the mounting frame 20 is fixedly connected to a rubber elastic frame 21. The interior of the rubber elastic frame 21 is fixedly connected to a filter screen 22. A spring 25 is fixed to one side of the inner wall of the mounting frame 20, and the spring 25 is fixedly connected to the filter screen 22 on the other side. The interior of the mounting groove is rotatably connected to the rotating shaft 12, and the outer side of the rotating shaft 12 is fixedly connected to an elastic plate 23. The rotating shaft 12 is located on the side of the filter screen 22 away from the spring 25. A guide groove 11 is provided inside the filter box 8, and the guide groove 11 is located below the mounting groove. A receiving groove is provided on one side of the tower body 4 and the interior of the filter box 8, and the receiving groove is slidably connected to the material receiving box 10. The interior of the material receiving box 10 is connected to the interior of the mounting groove through the guide groove 11. A spoiler 7 is fixed inside the tower body 4. , and the spoiler 7 is located above the filter box 8, an S-shaped spray pipe 6 is fixed inside the tower body 4, and the S-shaped spray pipe 6 is located above the spoiler 7, an opening is provided on one side of the inner wall of the tower body 4, the tower body 4 is slidingly connected with a loading frame 5, and the loading frame 5 is slidably inserted into the interior of the tower body 4 through the opening, the loading frame 5 is located above the S-shaped spray pipe 6, the interior of the loading frame 5 is filled with activated carbon bags 18, and an exhaust port is provided at the top of the outer surface of the tower body 4, and the exhaust port is located directly above the loading frame 5.

[0025] The present invention will be further described below with reference to the embodiments.

[0026] Example 1:

[0027] Combine Figure 1 、 Figure 2 and Figure 4 The rotating shaft 12 is located below the air inlet, and the elastic plates 23 are arranged in a cross shape on the outside of the rotating shaft 12. The length of the elastic plates 23 is greater than the distance between the rotating shaft 12 and the filter screen 22, and the guide groove 11 is arranged in an inverted trapezoidal shape; connecting blocks 24 are fixed at both ends of the mounting frame 20, and connecting grooves 13 are provided at both ends of the inner wall of the filter box 8, and the connecting grooves 13 are slidably connected to the connecting pipes 14. The size of the connecting grooves 13 is adapted to the size of the connecting pipes 14, and the connecting grooves 13 are located at both ends of the mounting groove.

[0028] In this embodiment, when flue gas desulfurization and dust removal are carried out through the tower body 4, the flue gas to be treated is introduced into the interior of the filter box 8 through the air inlet pipe 9, and the dust in the flue gas is intercepted by the filter screen 22. Under the elastic expansion and contraction of the rubber elastic frame 21 and the spring 25, the introduced flue gas blows the elastic plate 23, so that the elastic plate 23 indirectly knocks the filter screen 22, causing the filter screen 22 to vibrate, and the dust on one side of the filter screen 22 falls into the interior of the receiving box 10 through the guide groove 11 for collection, which is convenient for the staff to clean, avoids the filter screen 22 from being blocked, maintains the fluidity of the flue gas, and facilitates the separation of the filter screen 22 from the filter box 8 and the tower body 4 through the connecting groove 13 and the connecting block 24, so that regular replacement is achieved and the use effect of the filter screen 22 is maintained.

[0029] Example 2:

[0030] Combine Figure 1 、 Figure 3 and Figure 4 A sealing block 19 is fixed to the side of the loading frame 5 close to the tower body 4, and a slot 17 is provided on one side of the inner wall of the tower body 4, and the slots 17 are all engaged with the sealing block 19, and the cross-sections of the sealing block 19 and the slots 17 are both arranged in a circular shape; the air outlet nozzles 15 are arranged in an inclined shape, and the air outlet nozzles 15 are arranged in a cross shape on the outside of the connecting pipe 14; the top of the tower body 4 is clamped with a filter plate 2, and the filter plate 2 is located directly above the air outlet; the top of the tower body 4 is fixedly connected to a bracket 3, and the top of the bracket 3 is fixed with a ceiling 1, and the cross-section of the ceiling 1 is arranged in an inverted V shape.

[0031] In this embodiment, the flue gas after dust removal passes through the guide pipe 16 and the connecting pipe 14, and is finally dispersed into the absorption liquid through the air outlet nozzle 15, so that the flue gas can react with the absorption liquid as much as possible to achieve the desulfurization effect. Under the turbulent effect of the spoiler 7, the remaining gas stays under the S-shaped spray pipe 6 for a longer time. At the same time, the S-shaped spray pipe 6 is connected to the external absorption liquid for spray desulfurization, which further improves the treatment effect of the flue gas. The secondary desulfurized gas is further purified and dehumidified by the activated carbon bag 18 inside the material frame 5, and finally discharged from the interior of the tower body 4 through the air outlet. In conjunction with the filter plate 2 and the ceiling 1, external dust and rainwater are prevented from entering the interior of the tower body 4, thereby improving the overall performance of the material frame 5.

[0032] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flue gas desulfurization and dust removal absorption tower, comprising a tower body (4), characterized in that: The bottom end of the interior of the tower body (4) is provided with a filter box (8), and a mounting groove is provided inside the filter box (8). The outer surface of the tower body (4) is provided with an air inlet pipe (9), and the bottom end of one side of the outer wall of the tower body (4) is provided with an air inlet, and the air inlet connects the interior of the air inlet pipe (9) with the interior of the filter box (8). A guide pipe (16) is fixed on one side of the filter box (8), and the other side of the guide pipe (16) is fixedly connected to the inner wall of the tower body (4). A connecting pipe (14) is fixed at the bottom end of the guide pipe (16), and an air outlet nozzle is provided on the outside of the connecting pipe (14). (15), the filter box (8) is connected to the interior of the tower body (4) through the installation groove, the guide pipe (16), the connecting pipe (14) and the air outlet nozzle (15), the interior of the installation groove is slidably connected to the installation frame (20), and the interior of the installation frame (20) is fixedly connected to the rubber elastic frame (21), the interior of the rubber elastic frame (21) is fixedly connected to the filter screen (22), one side of the inner wall of the installation frame (20) is fixedly connected to the spring (25), and the other side of the spring (25) is fixedly connected to the filter screen (22), the interior of the installation groove is rotatably connected to the rotating shaft (12 ), and an elastic plate (23) is fixedly connected to the outside of the rotating shaft (12), the rotating shaft (12) is located on the side of the filter screen (22) away from the spring (25), a guide groove (11) is provided inside the filter box (8), and the guide groove (11) is located below the installation groove, a receiving groove is provided on one side of the tower body (4) and the filter box (8), and a material receiving box (10) is slidably connected to the receiving groove, the interior of the material receiving box (10) is connected to the interior of the installation groove through the guide groove (11), a spoiler (7) is fixed inside the tower body (4), and the spoiler (7) is located Above the filter box (8), an S-shaped spray pipe (6) is fixed inside the tower body (4), and the S-shaped spray pipe (6) is located above the spoiler (7); an opening is provided on one side of the inner wall of the tower body (4); a material loading frame (5) is slidably connected to the tower body (4), and the material loading frame (5) is slidably inserted into the interior of the tower body (4) through the opening; the material loading frame (5) is located above the S-shaped spray pipe (6); the interior of the material loading frame (5) is filled with an activated carbon bag (18); an exhaust port is provided at the top end of the outer surface of the tower body (4), and the exhaust port is located directly above the material loading frame (5).

2. A flue gas desulfurization and dust removal absorption tower according to claim 1, characterized in that: The rotating shaft (12) is located below the air inlet, the elastic plates (23) are arranged in a cross shape on the outside of the rotating shaft (12), the length of the elastic plates (23) is greater than the distance between the rotating shaft (12) and the filter screen (22), and the guide groove (11) is arranged in an inverted trapezoidal shape.

3. The flue gas desulfurization and dust removal absorption tower according to claim 1, characterized in that: Connecting blocks (24) are fixed at both ends of the installation frame (20), connecting grooves (13) are provided at both ends of the inner wall of the filter box (8), and the connecting grooves (13) are slidably connected to the connecting pipes (14), the size of the connecting grooves (13) is adapted to the size of the connecting pipes (14), and the connecting grooves (13) are located at both ends of the installation groove.

4. The flue gas desulfurization and dust removal absorption tower according to claim 1, characterized in that: A sealing block (19) is fixed on one side of the material placement frame (5) close to the tower body (4), a clamping groove (17) is provided on one side of the inner wall of the tower body (4), and the clamping groove (17) is engaged with the sealing block (19), and the cross-section of the sealing block (19) and the cross-section of the clamping groove (17) are both arranged in a circular shape.

5. The flue gas desulfurization and dust removal absorption tower according to claim 1, characterized in that: The air outlet nozzles (15) are all arranged in an inclined shape, and the air outlet nozzles (15) are distributed and arranged in a cross shape on the outside of the connecting pipe (14).

6. The flue gas desulfurization and dust removal absorption tower according to claim 1, characterized in that: A filter plate (2) is clamped on the top of the tower body (4), and the filter plate (2) is located directly above the air outlet.

7. The flue gas desulfurization and dust removal absorption tower according to claim 6, characterized in that: The top of the tower body (4) is fixedly connected to a bracket (3), and the top of the bracket (3) is fixed to a roof (1), and the cross-section of the roof (1) is arranged in an inverted V shape.

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