Desulfurization and dust removal equipment for flue gas treatment

Abstract

The utility model relates to the technical field of flue gas treatment, in particular to desulfurization and dust removal equipment for flue gas treatment, which comprises a desulfurization box and a filter box fixedly connected to the upper end of the desulfurization box, a spray pipe is mounted in the desulfurization box, a plurality of spray heads are connected to the outer wall of the spray pipe in a penetrating manner, and a limiting frame is fixedly connected to the inner wall of the filter box. The upper end of the limiting frame abuts against a mounting frame, and a filter screen is mounted in the mounting frame. Two extrusion discs enter two limiting holes and downwards extrude two second supporting plates, so that the filter cotton and the mounting frame can be downwards extruded and fixed at the same time, mounting of the filter screen and the filter cotton is completed, when the filter screen and the filter cotton need to be dismounted, only opposite steps are needed, and the operation is convenient. Further, the effects of conveniently dismounting and cleaning the filter screen and cleaning and replacing the filter cotton are achieved, residual dust in the flue gas is further filtered through the filter screen and the filter cotton at the same time, and then the purpose of conveniently improving the filtering effect is achieved.

Description

Technical Field

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

[0002] When flue gas is discharged, it will carry a large amount of sulfur dioxide, causing air pollution. Sulfur dioxide is one of the main air pollutants facing humans today and the largest pollutant in the atmospheric environment. Therefore, a desulfurization and dust removal equipment for flue gas treatment is needed.

[0003] Existing desulfurization and dust removal equipment for flue gas treatment generally desulfurizes and removes dust on the flue gas by spraying quicklime water or magnesium oxide alkali solution, and then further treats the residual dust in the flue gas through a filter. However, filtering only through a filter will result in poor filtering effect, and most filters are generally fixedly installed inside the equipment. Therefore, when the filter needs to be cleaned, disassembly and assembly is time-consuming and laborious. Therefore, it is necessary to propose a desulfurization and dust removal equipment for flue gas treatment to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a desulfurization and dust removal device for flue gas treatment, which has the characteristics of facilitating the improvement of filtering effect, and is convenient for disassembling and cleaning the filter screen and cleaning and replacing the filter cotton.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a desulfurization and dust removal equipment for flue gas treatment, comprising a desulfurization box and a filter box fixedly connected to the upper end of the desulfurization box, a spray pipe is installed inside the desulfurization box, a plurality of nozzles are connected through the outer wall of the spray pipe, a limited position frame is fixedly connected to the inner wall of the filter box, a mounting frame is abutted on the upper end of the limited position frame, a filter screen is installed inside the mounting frame, a filter cotton is abutted on the upper end of the mounting frame, an extrusion frame which is extruded with the filter cotton is arranged inside the desulfurization box, and the left and right sides of the filter box are fixedly connected with A first support plate, the upper end surfaces of the two first support plates are rotatably connected with connecting columns, the upper ends of the two connecting columns are fixedly connected with a rotating plate, the upper ends of the two rotating plates are penetrated and threadedly connected with screws, the lower ends of the two screws are fixedly connected with extrusion plates, the left and right sides of the extrusion frame are fixedly connected with a second support plate located above the filter box, the upper ends of the two second support plates are provided with limiting holes, the lower ends of the two extrusion plates respectively extend into the two limiting holes and are extruded therewith, and the upper end of the extrusion frame is equipped with a suction fan with an air inlet end located inside the extrusion frame;

[0006] The outer wall of the extrusion frame is provided with a sealing mechanism.

[0007] In order to facilitate the sealing between the extrusion frame and the inner wall of the filter box, as a preferred desulfurization and dust removal device for flue gas treatment of the utility model, the sealing mechanism includes a mounting groove opened on the outer wall of the extrusion frame, and a square sealing ring is installed inside the mounting groove to be squeezed against the inner wall of the desulfurization box.

[0008] In order to achieve the purpose of improving the positioning effect when installing the extrusion frame, as a preferred desulfurization and dust removal equipment for flue gas treatment of the utility model, positioning holes are opened on the left and right sides of the upper end of the filter box, and the lower end surfaces of the two second support plates are fixedly connected with positioning rods extending into the two positioning holes and matching them.

[0009] In order to facilitate the pumping of quicklime water or magnesium oxide alkali solution into the spray pipe, as a preferred desulfurization and dust removal equipment for flue gas treatment of the utility model, a water pump is installed on the right side of the desulfurization box, and the water outlet end of the water pump passes through the right end of the desulfurization box and extends to the inside of the spray pipe.

[0010] In order to facilitate the flue gas to enter the desulfurization box, as a preferred desulfurization and dust removal device for flue gas treatment of the utility model, an air inlet pipe is connected through the left end surface of the desulfurization box.

[0011] In order to facilitate the rotation of the two screws, as a preferred desulfurization and dust removal device for flue gas treatment of the utility model, the upper ends of the two screws are fixedly connected with knobs.

[0012] In order to facilitate the discharge of water inside the desulfurization box, as a preferred desulfurization and dust removal device for flue gas treatment of the utility model, a drainage valve pipe is connected through the lower end of the desulfurization box.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] Insert the installation frame into the interior of the filter box and make it contact with the limiting frame, then cut the filter cotton into a shape matching the interior of the filter box and put it into the upper end of the installation frame, then insert the extrusion frame into the interior of the filter box, and then rotate the two extrusion plates to just above the two limiting holes, then make the two extrusion plates enter the interior of the two limiting holes and squeeze the two second support plates downward, so that the filter cotton and the installation frame can be squeezed downward and fixed at the same time, completing the installation of the filter net and the filter cotton. When it is necessary to disassemble it, just follow the reverse steps, further achieving the effect of facilitating the disassembly and cleaning of the filter net and the cleaning and replacement of the filter cotton;

[0015] The dust remaining in the flue gas is further filtered through the filter net and filter cotton at the same time, thereby achieving the purpose of improving the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall front cross-sectional view of the utility model;

[0017] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is a connection structure diagram of the extrusion frame of the utility model;

[0019] Figure 4 It is a right side cross-sectional structural diagram of the spray pipe of the present utility model.

[0020] In the figure: 1. desulfurization box; 2. filter box; 3. limit frame; 4. installation frame; 5. filter screen; 6. filter cotton; 7. extrusion frame; 8. suction fan; 9. installation groove; 10. square sealing ring; 11. first support plate; 12. connecting column; 13. rotating plate; 14. screw; 15. limit hole; 16. extrusion plate; 17. spray pipe; 18. nozzle; 19. water pump; 20. air inlet pipe; 21. positioning hole; 22. positioning rod; 23. second support plate. DETAILED DESCRIPTION

[0021] See also Figures 1 to 4 A desulfurization and dust removal device for flue gas treatment comprises a desulfurization box 1 and a filter box 2 fixedly connected to the upper end of the desulfurization box 1, a spray pipe 17 is installed inside the desulfurization box 1, and a plurality of nozzles 18 are connected through the outer wall of the spray pipe 17, a limited position frame 3 is fixedly connected to the inner wall of the filter box 2, and a mounting frame 4 is abutted on the upper end of the limited position frame 3, a filter screen 5 is installed inside the mounting frame 4, and a filter cotton 6 is abutted on the upper end of the mounting frame 4, an extrusion frame 7 extruded with the filter cotton 6 is arranged inside the desulfurization box 1, and a first support plate 11 is fixedly connected to the left and right sides of the filter box 2, and the two first support plates 1 The upper end surfaces of the two connecting columns 12 are rotatably connected to the connecting columns 12, the upper ends of the two connecting columns 12 are fixedly connected to the rotating plates 13, the upper ends of the two rotating plates 13 are penetrated and threadedly connected with the screws 14, the lower ends of the two screws 14 are fixedly connected to the extrusion discs 16, the left and right sides of the extrusion frame 7 are fixedly connected to the second support plates 23 located above the filter box 2, the upper ends of the two second support plates 23 are provided with limiting holes 15, the lower ends of the two extrusion discs 16 extend to the inside of the two limiting holes 15 and are squeezed therewith, and the upper end of the extrusion frame 7 is installed with a suction fan 8 whose air inlet end is located inside the extrusion frame 7;

[0022] The outer wall of the extrusion frame 7 is provided with a sealing mechanism.

[0023] In this embodiment: by inserting the installation frame 4 into the interior of the filter box 2 until it contacts the limiting frame 3, the installation position of the installation frame 4 can be limited, and then the filter cotton 6 is cut into a shape matching the interior of the filter box 2, and then placed in the upper end of the installation frame 4, and then the extrusion frame 7 is inserted into the interior of the filter box 2, and at the same time, the extrusion frame 7 and the inner wall of the filter box 2 can be sealed by the sealing mechanism, and then the two rotating plates 13 are rotated with the two connecting columns 12 respectively, and at the same time, the two screws 14 and the two extrusion disks 16 are driven to rotate until the two extrusion disks 16 correspond to the positions of the two limiting holes 15, and then the two screws are rotated. The rod 14 moves the two squeezing plates 16 downward and enters the interior of the two limiting holes 15, and at the same time squeezes the two second support plates 23 downward, so that the filter cotton 6 and the installation frame 4 can be squeezed downward and fixed by the squeezing frame 7 at the same time, and the installation of the filter screen 5 and the filter cotton 6 is completed. When it is to be disassembled, it is only necessary to make the two squeezing plates 16 disengage from the interior of the two limiting holes 15 in the opposite steps, and then rotate the two squeezing plates 16 to the opposite side, and then the squeezing frame 7 can be taken out, and finally the filter cotton 6 and the installation frame 4 together with the filter screen 5 are taken out, so as to further achieve the effect of facilitating the disassembly and cleaning of the filter screen 5 and the cleaning and replacement of the filter cotton 6;

[0024] During operation, the suction fan 8 is started to suck the flue gas into the desulfurization box 1, and at the same time, quicklime water or magnesium oxide alkali solution is drawn into the spray pipe 17 and sprayed into the desulfurization box 1 through multiple nozzles 18, so that the flue gas can be desulfurized and dust-removed, and then the dust remaining in the flue gas is further filtered through the filter net 5 and the filter cotton 6, so as to achieve the purpose of improving the filtering effect.

[0025] As a technical optimization solution of the utility model, the sealing mechanism includes a mounting groove 9 opened on the outer wall of the extrusion frame 7, and a square sealing ring 10 is installed inside the mounting groove 9 to be extruded against the inner wall of the desulfurization box 1.

[0026] In this embodiment, the square sealing ring 10 is installed in the installation groove 9, and then the square sealing ring 10 is squeezed with the inner wall of the desulfurization box 1 to facilitate the purpose of sealing between the extrusion frame 7 and the inner wall of the filter box 2.

[0027] As a technical optimization solution of the utility model, positioning holes 21 are opened on both sides of the upper end of the filter box 2, and the lower end surfaces of the two second support plates 23 are fixedly connected with positioning rods 22 extending into the two positioning holes 21 and matching therewith.

[0028] In this embodiment, two positioning holes 21 and two positioning rods 22 are provided to improve the positioning effect when the extrusion frame 7 is installed.

[0029] As a technical optimization solution of the utility model, a water pump 19 is installed on the right side of the desulfurization box 1 , and the water outlet end of the water pump 19 passes through the right end of the desulfurization box 1 and extends to the inside of the spray pipe 17 .

[0030] In this embodiment, a water pump 19 is provided to pump quicklime water or magnesium oxide alkali solution into the spray pipe 17 .

[0031] As a technical optimization solution of the utility model, an air intake pipe 20 is connected through the left end surface of the desulfurization box 1 .

[0032] In this embodiment, an air inlet pipe 20 is provided to facilitate the flue gas to enter the desulfurization box 1 .

[0033] As a technical optimization solution of the present invention, the upper ends of the two screw rods 14 are fixedly connected with knobs.

[0034] In this embodiment, two knobs are provided to facilitate rotating the two screw rods 14 respectively.

[0035] As a technical optimization solution of the utility model, a drainage valve pipe is connected through the lower end of the desulfurization box 1.

[0036] In this embodiment, a drainage valve pipe is provided to drain the water inside the desulfurization box 1 .

[0037] Working principle: First, insert the installation frame 4 into the interior of the filter box 2 until it contacts the limit frame 3, and then the installation position of the installation frame 4 can be limited, then the filter cotton 6 is cut into a shape matching the interior of the filter box 2, and then it is placed in the upper end of the installation frame 4, and then the extrusion frame 7 is inserted into the interior of the filter box 2, and at the same time, the square sealing ring 10 is used to squeeze the inner wall of the desulfurization box 1, so that the extrusion frame 7 and the inner wall of the filter box 2 can be sealed, and then the two rotating plates 13 are rotated with the two connecting columns 12 respectively, and at the same time, the two screws 14 and the two extrusion discs 16 are driven to rotate until the two extrusion discs 16 correspond to the positions of the two limit holes 15, and then through The two screw rods 14 are rotated by two knobs, and the two extrusion plates 16 are moved downward and enter the inside of the two limiting holes 15, and the two second support plates 23 are pressed downward at the same time, so that the filter cotton 6 and the installation frame 4 can be pressed downward and fixed at the same time through the extrusion frame 7, and the installation of the filter screen 5 and the filter cotton 6 is completed. When it is to be disassembled, it is only necessary to make the two extrusion plates 16 disengage from the inside of the two limiting holes 15 in the opposite steps, and then rotate the two extrusion plates 16 to the opposite side, and then the extrusion frame 7 can be taken out, and finally the filter cotton 6 and the installation frame 4 together with the filter screen 5 are taken out, so as to further achieve the effect of facilitating the disassembly and cleaning of the filter screen 5 and the cleaning and replacement of the filter cotton 6;

[0038] During operation, the suction fan 8 is started to suck the flue gas into the interior of the desulfurization box 1. At the same time, quicklime water or magnesium oxide alkali solution is pumped into the spray pipe 17 through the water pump 19 and sprayed into the interior of the desulfurization box 1 through multiple nozzles 18, thereby desulfurizing and removing dust from the flue gas. Subsequently, the dust remaining in the flue gas is further filtered through the filter net 5 and the filter cotton 6, thereby achieving the purpose of facilitating the improvement of the filtering effect.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A desulfurization and dust removal device for flue gas treatment, comprising a desulfurization box (1) and a filter box (2) fixedly connected to the upper end of the desulfurization box (1), a spray pipe (17) is installed inside the desulfurization box (1), and a plurality of spray heads (18) are connected to the outer wall of the spray pipe (17), characterized in that: The inner wall of the filter box (2) is fixedly connected to a limit frame (3), the upper end of the limit frame (3) is abutted against a mounting frame (4), a filter screen (5) is installed inside the mounting frame (4), the upper end of the mounting frame (4) is abutted against a filter cotton (6), the interior of the desulfurization box (1) is provided with an extrusion frame (7) that is extruded with the filter cotton (6), the left and right sides of the filter box (2) are fixedly connected to first support plates (11), the upper end surfaces of the two first support plates (11) are rotatably connected to connecting columns (12), and the upper ends of the two connecting columns (12) are fixedly connected to a rotating plate (13), the upper ends of the two rotating plates (13) are penetrated by and threadedly connected with a screw rod (14), the lower ends of the two screw rods (14) are fixedly connected with an extrusion plate (16), the left and right sides of the extrusion frame (7) are fixedly connected with a second support plate (23) located above the filter box (2), the upper ends of the two second support plates (23) are provided with a limiting hole (15), the lower ends of the two extrusion plates (16) respectively extend into the inside of the two limiting holes (15) and are extruded therewith, and the upper end of the extrusion frame (7) is equipped with a suction fan (8) with an air inlet end located inside the extrusion frame (7); The outer wall of the extrusion frame (7) is provided with a sealing mechanism.

2. The desulfurization and dust removal equipment for flue gas treatment according to claim 1, characterized in that: The sealing mechanism comprises a mounting groove (9) formed on the outer wall of the extrusion frame (7), and a square sealing ring (10) is installed inside the mounting groove (9) and is pressed against the inner wall of the desulfurization box (1).

3. The desulfurization and dust removal equipment for flue gas treatment according to claim 1, characterized in that: Positioning holes (21) are provided on both left and right sides of the upper end of the filter box (2), and the lower end surfaces of the two second support plates (23) are fixedly connected with positioning rods (22) extending into the two positioning holes (21) and matching therewith.

4. The desulfurization and dust removal equipment for flue gas treatment according to claim 1, characterized in that: A water pump (19) is installed on the right side of the desulfurization box (1), and the water outlet end of the water pump (19) passes through the right end of the desulfurization box (1) and extends to the inside of the spray pipe (17).

5. The desulfurization and dust removal equipment for flue gas treatment according to claim 1, characterized in that: An air intake pipe (20) is connected through the left end surface of the desulfurization box (1).

6. The desulfurization and dust removal equipment for flue gas treatment according to claim 1, characterized in that: The upper ends of the two screw rods (14) are fixedly connected with knobs.

7. The desulfurization and dust removal equipment for flue gas treatment according to claim 1, characterized in that: A drainage valve pipe is connected through the lower end of the desulfurization box (1).

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