Desulfurizing tower with spraying device

Abstract

The utility model discloses a desulfurizing tower with a spraying device, which comprises a desulfurizing tower body, all desulfurizing cavities are arranged in the desulfurizing tower body, a spraying mechanism is arranged on the inner side of each desulfurizing cavity, an activated carbon filter plate is fixedly connected with the inner side of each desulfurizing cavity and is positioned above the spraying mechanism, and the spraying device is arranged on the inner side of each activated carbon filter plate. The device has the beneficial effects that the stirring tank, the sludge pump, the material pumping pipeline, the material conveying pipeline, the transverse plate, the lifting rope and the spraying pipeline are arranged, so that lime, limestone powder and water are put into the stirring tank together to be mixed into slurry, then the sludge pump is started, and the slurry is pumped out by utilizing the material pumping pipeline positioned in the stirring tank; then the flue gas is directly conveyed into the spraying pipeline through the conveying pipeline and is sprayed out through the spraying mechanism in the spraying pipeline, and sulfur dioxide in the flue gas, calcium hydroxide in the slurry and air blown in from the lower part of the tower are subjected to oxidation reaction to generate calcium sulfate.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas treatment, in particular to a desulfurization tower with a spray device. Background Art

[0002] A kiln is a furnace used to fire ceramics and sculptures or to fuse enamel to the surface of metal objects. It is usually made of bricks and stones and can be made into various sizes according to needs. It can be operated by combustible gas, oil or electricity. Sulfur is produced when burning fuel. Desulfurization refers to the process of removing sulfur from fuel before combustion and before flue gas emissions. It is one of the important technical measures to prevent and control air pollution.

[0003] However, after the desulfurization tower device is used, there are still many harmful colored gases in the flue gas that have not been treated, and the slurry made by adding lime and limestone powder to water is not used as an absorbent, because this absorbent can produce a by-product of desulfurization gypsum after desulfurization. The by-product can be used for various purposes, which can effectively make up for the defects of small reserves and low output of high-grade natural gypsum in my country. Utility Model Content

[0004] The purpose of the utility model is to provide a desulfurization tower with a spray device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a desulfurization tower with a spray device, comprising a desulfurization tower body, all desulfurization chambers inside the desulfurization tower body, a spray mechanism is provided on the inner side of the desulfurization chamber, an activated carbon filter plate is fixedly connected to the inner side of the desulfurization chamber and located above the spray mechanism, a cleaning mechanism is provided at the bottom of the activated carbon filter plate, a second air pump is fixedly connected to one side of the desulfurization tower body, a third pipe is connected to one end of the second air pump, a fourth pipe is connected to the other end of the second air pump and located inside the desulfurization chamber, a baffle is fixedly connected to the bottom of the inner side of the desulfurization chamber, a first air pump is fixedly connected to one side of the desulfurization tower body, a second pipe is connected to one end of the first air pump and located below the baffle, a channel is connected to the bottom of the desulfurization chamber, a bottom plate is fixedly connected to the bottom of the desulfurization tower body, a stirring tank is fixedly connected to the top of the bottom plate, a quick mixing mechanism is provided inside the stirring tank, and an air outlet is provided at the top of the desulfurization tower body.

[0006] Preferably, the spray mechanism comprises a transverse plate, a bottom of the transverse plate is fixedly connected to a suspension rope, a bottom end of the suspension rope is fixedly connected to a spray pipe, and a top of the spray pipe is connected to a material conveying pipe.

[0007] Preferably, the cleaning mechanism includes a fixed rod, which is fixedly connected to the desulfurization tower body, a connecting rod is rotatably connected inside the fixed rod, one end of the connecting rod is fixedly connected to a rope, a sliding rod is slidably connected inside the desulfurization tower body, the rope is fixedly connected to the sliding rod, and a cleaning brush is fixedly connected to one end of the sliding rod at the bottom of the activated carbon filter plate.

[0008] Preferably, the rapid mixing mechanism includes a motor, which is fixedly connected to the stirring tank, a rotating column is fixedly connected to the output end of the motor and located inside the stirring tank, the rotating column is rotatably connected to the stirring tank, a stirring blade is fixedly connected to the outside of the rotating column and located inside the stirring tank, and a feed port is provided at the top of the stirring tank.

[0009] Preferably, a sludge pump is fixedly connected to the top of the stirring tank, one end of the sludge pump is connected to a pumping pipe located inside the stirring tank, and the feeding pipe is connected to the sludge pump.

[0010] Preferably, one end of the channel is connected to a filter box, a first water filter plate is provided on the inner side of the filter box, a box door is hinged on one side of the filter box, and a handle is fixedly connected to one side of the box door.

[0011] Preferably, a support foot is fixedly connected to the bottom of the base plate, a groove is provided inside the desulfurization tower body and below the channel, a second water filter plate is provided on the inner side of the groove, a first pipe is connected to the bottom of the groove, and a sewage collection tank is connected to the bottom end of the first pipe and located on one side of the support foot.

[0012] Preferably, the bottom of the desulfurization chamber is an inclined structure.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with a mixing tank, a sludge pump, a material extraction pipeline, a material delivery pipeline, a horizontal plate, a hanging rope and a spraying pipeline, so that lime, limestone powder and water can be put into the mixing tank together and mixed into slurry, and then the sludge pump is started to extract the slurry through the material extraction pipeline in the mixing tank, and then the slurry is directly transported to the spraying pipeline through the material delivery pipeline, and sprayed out through the spraying mechanism in the spraying pipeline, and sulfur dioxide in the flue gas is oxidized with calcium hydroxide in the slurry and air blown in from the lower part of the tower to generate calcium sulfate, which is then dehydrated to become desulfurized gypsum that can be used in many aspects;

[0014] By setting an activated carbon filter plate, a fixed rod, a connecting rod, a rope, a sliding rod and a cleaning brush, most of the remaining harmful gases in the flue gas will be adsorbed and filtered after passing through the activated carbon filter plate, thereby reducing pollution to the outside air. The connecting rod can be pulled to rotate the connecting rod using the fixed rod, and the sliding rod can be pulled using the rope at one end of the connecting rod, so that the sliding rod drives the cleaning brush to move horizontally to clean the bottom of the activated carbon filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall internal structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the side structure of the desulfurization tower body of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the stirring tank of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the filter box of the utility model;

[0019] Figure 5 For this utility model Figure 1 Enlarged view of point A in the middle.

[0020] In the figure: 1. desulfurization tower body; 2. air outlet; 3. spray mechanism; 4. activated carbon filter plate; 5. feed pipeline; 6. motor; 7. sludge pump; 8. extraction pipeline; 9. desulfurization chamber; 10. stirring tank; 11. support foot; 12. bottom plate; 13. sewage collection box; 14. first pipeline; 15. first water filter plate; 16. fast mixing mechanism; 17. filter box; 18. channel; 19. first air pump; 20. Second pipeline; 21. baffle; 22. third pipeline; 23. second air pump; 24. fourth pipeline; 25. spray pipeline; 26. suspension rope; 27. horizontal plate; 28. cleaning brush; 29. ​​sliding rod; 30. fixed rod; 31. connecting rod; 32. rope; 33. feed inlet; 34. rotating column; 35. stirring blade; 36. box door; 37. handle; 38. groove; 39. second water filter plate; 40. cleaning mechanism. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 5The utility model provides a technical solution: a desulfurization tower with a spray device, including a desulfurization tower body 1, a desulfurization chamber 9 inside the desulfurization tower body 1, a spray mechanism 3 is arranged inside the desulfurization chamber 9, a mixed slurry formed by lime, limestone powder and water can be sprayed into the desulfurization chamber 9 through the spray mechanism 3, an activated carbon filter plate 4 is fixedly connected to the inside of the desulfurization chamber 9 and located above the spray mechanism 3, and most of the remaining harmful gases in the flue gas after desulfurization can be adsorbed and filtered by the activated carbon filter plate 4 in the desulfurization chamber 9, and the activated carbon filter plate 4 can be used to absorb and filter the remaining harmful gases in the flue gas after desulfurization. A cleaning mechanism 40 is provided at the bottom of the carbon filter plate 4, and the ash attached to the bottom of the activated carbon filter plate 4 can be cleaned through the fixing rod 30 at the bottom of the activated carbon filter plate 4. A second air pump 23 is fixedly connected to one side of the desulfurization tower body 1, and one end of the second air pump 23 is connected to the third pipe 22. The other end of the second air pump 23 is located inside the desulfurization chamber 9 and is connected to the fourth pipe 24. The second air pump 23 can be started to use the third pipe 22 to extract the flue gas to be treated, and finally transport it into the desulfurization chamber 9 and below the spray mechanism 3 through the fourth pipe 24. The bottom of the inner side of the desulfurization chamber 9 is fixedly connected with a baffle 21, and one side of the desulfurization tower body 1 is fixedly connected with a first air pump 19. One end of the first air pump 19 is connected to a second pipe 20 located below the baffle 21. The air can be extracted by the first air pump 19 and transported to the bottom of the baffle 21 of the desulfurization chamber 9 through the second pipe 20, so that the slurry and the sulfur dioxide in the flue gas can be accelerated to undergo an oxidation reaction. The baffle 21 is used to prevent the slurry from entering the second pipe 20. The bottom of the desulfurization chamber 9 is connected with a channel 18, and the sulfur dioxide in the flue gas and the hydroxide in the slurry are oxidized. Calcium and the air blown in from the lower part of the tower undergo an oxidation reaction to generate calcium sulfate and part of the water, which will be discharged from the channel 18. The bottom of the desulfurization tower body 1 is fixedly connected to a bottom plate 12, and the top of the bottom plate 12 is fixedly connected to a stirring tank 10. A rapid mixing mechanism 16 is provided inside the stirring tank 10. Lime, limestone powder and water to be mixed are loaded into the stirring tank 10, and then they are rapidly mixed and stirred by the rapid mixing mechanism 16 inside the stirring tank 10. An air outlet 2 is provided on the top of the desulfurization tower body 1, and finally the treated gas is discharged through the air outlet 2.

[0023] Furthermore, the spray mechanism 3 includes a transverse plate 27, the bottom of which is fixedly connected to a suspension rope 26, the bottom end of which is fixedly connected to a spray pipe 25, and the top of the spray pipe 25 is connected to a conveying pipe 5, through which the mixed slurry formed by the required lime, limestone powder and water is transported to the spray pipe 25, and finally sprayed evenly through the spray pipe 25, so that the slurry contacts the flue gas in the desulfurization chamber 9 for oxidation reaction, and the spray pipe 25 is fixed to the center of the inner side of the desulfurization chamber 9 by the transverse plate 27 and the suspension rope 26.

[0024] Furthermore, the cleaning mechanism 40 includes a fixed rod 30, which is fixedly connected to the desulfurization tower body 1. A connecting rod 31 is rotatably connected to the inner side of the fixed rod 30. One end of the connecting rod 31 is fixedly connected to a rope 32. A sliding rod 29 is slidably connected to the inner side of the desulfurization tower body 1. The rope 32 is fixedly connected to the sliding rod 29. A cleaning brush 28 is fixedly connected to one end of the sliding rod 29 and is located at the bottom of the activated carbon filter plate 4. The staff can pull one end of the connecting rod 31 to rotate the connecting rod 31 inside the fixed rod 30, thereby slowly pulling out the sliding rod 29 with the rope 32, so that the cleaning brush 28 is driven by the sliding rod 29 to move and clean the dust at the bottom of the activated carbon filter plate 4.

[0025] Furthermore, the rapid mixing mechanism 16 includes a motor 6, which is fixedly connected to the stirring tank 10. A rotating column 34 is fixedly connected to the stirring tank 10 at the output end of the motor 6 and located inside the stirring tank 10. The rotating column 34 is rotatably connected to the stirring tank 10. A stirring blade 35 is fixedly connected to the outside of the rotating column 34 and located inside the stirring tank 10. A feed port 33 is provided at the top of the stirring tank 10. By starting the motor 6, the rotating column 34 at the output end of the motor 6 drives the stirring blade 35 on its outside to rotate, thereby quickly mixing and stirring the lime, limestone powder and water poured into the stirring tank 10.

[0026] Furthermore, a sludge pump 7 is fixedly connected to the top of the mixing tank 10, and one end of the sludge pump 7 is connected to a pumping pipe 8 located inside the mixing tank 10, and the delivery pipe 5 is connected to the sludge pump 7. The sludge pump 7 can be started and the mixed slurry in the mixing tank 10 can be extracted using the pumping pipe 8 connected to one end thereof, and then transported to the inside of the delivery pipe 5.

[0027] Furthermore, one end of the channel 18 is connected to a filter box 17, a first water filter plate 15 is provided on the inner side of the filter box 17, a box door 36 is hinged on one side of the filter box 17, and a handle 37 is fixedly connected to one side of the box door 36. The slurry discharged from the channel 18 and the formed calcium sulfate flow into the filter box 17 together, and then the water in the calcium sulfate is filtered to the bottom of the inside through the first water filter plate 15 in the filter box 17. Subsequently, the box door 36 can be opened by the handle 37, and the calcium sulfate filtered from the first water filter plate 15 can be taken out for processing.

[0028] Furthermore, a support leg 11 is fixedly connected to the bottom of the bottom plate 12, a groove 38 is provided inside the desulfurization tower body 1 and below the channel 18, a second water filter plate 39 is provided on the inner side of the groove 38, a first pipe 14 is connected to the bottom of the groove 38, a sewage collection tank 13 is connected to the bottom end of the first pipe 14 and located on one side of the support leg 11, the calcium sulfate and slurry passing through the channel 18 are filtered by the second water filter plate 39 on the inner side of the groove 38, most of the water therein is filtered and flows into the groove 38, and finally flows into the sewage collection tank 13 through the first pipe 14 for treatment.

[0029] Furthermore, the bottom of the desulfurization chamber 9 is of an inclined structure, so that the sulfur dioxide in the flue gas reacts with the calcium hydroxide in the slurry and the air blown in from the bottom of the tower to generate calcium sulfate, which will not remain at the bottom of the desulfurization chamber 9.

[0030] When the utility model is used, firstly, the required lime, limestone powder and water are poured into the mixing tank 10 through the feed port 33 on the mixing tank 10, and then the motor 6 is started, so that the rotating column 34 at the output end of the motor 6 drives the stirring blade 35 on the outside to quickly mix and stir the lime, limestone powder and water in the mixing tank 10 to make the desulfurization slurry required for desulfurization, and then the sludge pump 7 is started, and the mixed desulfurization slurry in the mixing tank 10 is extracted by the connected extraction pipe 8, and then the desulfurization slurry is transported to the spray pipe 25 inside the desulfurization chamber 9 by the feed pipe 5 connected at the other end, and finally the desulfurization slurry is sprayed to the position below through the spray pipe 25, and at the same time, the desulfurization slurry needs to be started. The second air pump 23 is started, and the flue gas to be treated is extracted by the third pipe 22, and then the flue gas is transported into the desulfurization chamber 9 by the fourth pipe 24 and is located below the spray pipe 25 for spraying, so that the sulfur dioxide in the flue gas is oxidized with the calcium hydroxide in the slurry and the air blown in from the lower part of the tower to generate calcium sulfate. At the same time, the first air pump 19 needs to be started, and the air outside the desulfurization tower body 1 is transported to the bottom of the desulfurization chamber 9 by the second pipe 20, and the sulfur dioxide in the flue gas is treated with the desulfurization slurry. After the treatment, there are still some harmful gases in the flue gas, so the floating flue gas will be filtered and adsorbed by the activated carbon filter plate 4 above the spray mechanism 3 to reduce the pollution of the flue gas to the air;

[0031] The staff can regularly pull one end of the connecting rod 31 to rotate the connecting rod 31 inside the fixed rod 30 to make one end of the connecting rod 31 swing, and then use the rope 32 to pull the sliding rod 29 inside the desulfurization tower body 1, and pull the cleaning brush 28 to move horizontally through the sliding rod 29, so as to clean the ash at the bottom of the activated carbon filter plate 4;

[0032] The calcium sulfate and part of the slurry water generated by the oxidation reaction will flow to the bottom of the desulfurization chamber 9, and finally flow into the filter box 17 through the channel 18, and are filtered by the first water filter plate 15 inside the filter box 17, and the water in the calcium sulfate and part of the slurry water is filtered and treated, and after dehydration, it can be crystallized to form a mixture of dihydrate gypsum and calcium sulfite, and finally desulfurized gypsum is made and put into the storage warehouse for standby. When the calcium sulfate and part of the slurry pass through the channel 18, they will first be filtered by the second water filter plate 39 inside the groove 38, so that most of the water inside it flows into the groove 38, and finally they will flow into the sewage collection box 13 through the first pipe 14 for centralized treatment.

[0033] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0035] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A desulfurization tower with a spraying device, comprising a desulfurization tower body (1), characterized in that: The desulfurization tower body (1) includes a desulfurization chamber (9), a spray mechanism (3) is provided inside the desulfurization chamber (9), an activated carbon filter plate (4) is fixedly connected inside the desulfurization chamber (9) and located above the spray mechanism (3), a cleaning mechanism (40) is provided at the bottom of the activated carbon filter plate (4), a second air pump (23) is fixedly connected to one side of the desulfurization tower body (1), one end of the second air pump (23) is connected to a third pipeline (22), the other end of the second air pump (23) and located inside the desulfurization chamber (9) is connected to a fourth pipeline (24), and the desulfurization chamber (9) includes a plurality of desulfurization chambers (9) and a plurality of desulfurization chambers (9). A baffle (21) is fixedly connected to the bottom of the inner side of the cavity (9); a first air pump (19) is fixedly connected to one side of the desulfurization tower body (1); a second pipeline (20) is connected to one end of the first air pump (19) and is located below the baffle (21); a channel (18) is connected to the bottom of the desulfurization cavity (9); a bottom plate (12) is fixedly connected to the bottom of the desulfurization tower body (1); a stirring tank (10) is fixedly connected to the top of the bottom plate (12); a rapid mixing mechanism (16) is provided inside the stirring tank (10); and an air outlet (2) is provided at the top of the desulfurization tower body (1).

2. A desulfurization tower with a spray device according to claim 1, characterized in that: The spray mechanism (3) comprises a transverse plate (27), the bottom of the transverse plate (27) is fixedly connected to a suspension rope (26), the bottom end of the suspension rope (26) is fixedly connected to a spray pipe (25), and the top of the spray pipe (25) is connected to a material conveying pipe (5).

3. The desulfurization tower with a spray device according to claim 1, characterized in that: The cleaning mechanism (40) comprises a fixed rod (30), wherein the fixed rod (30) is fixedly connected to the desulfurization tower body (1), a connecting rod (31) is rotatably connected to the inner side of the fixed rod (30), one end of the connecting rod (31) is fixedly connected to a rope (32), a sliding rod (29) is slidably connected to the inner side of the desulfurization tower body (1), the rope (32) is fixedly connected to the sliding rod (29), and a cleaning brush (28) is fixedly connected to one end of the sliding rod (29) and located at the bottom of the activated carbon filter plate (4).

4. The desulfurization tower with a spray device according to claim 1, characterized in that: The rapid mixing mechanism (16) comprises a motor (6), the motor (6) is fixedly connected to the stirring tank (10), a rotating column (34) is fixedly connected to the output end of the motor (6) and located inside the stirring tank (10), the rotating column (34) is rotatably connected to the stirring tank (10), a stirring blade (35) is fixedly connected to the outside of the rotating column (34) and located inside the stirring tank (10), and a feed port (33) is provided at the top of the stirring tank (10).

5. The desulfurization tower with a spraying device according to claim 2, characterized in that: A sludge pump (7) is fixedly connected to the top of the stirring tank (10), one end of the sludge pump (7) located inside the stirring tank (10) is connected to a material extraction pipeline (8), and the material delivery pipeline (5) is connected to the sludge pump (7).

6. The desulfurization tower with a spray device according to claim 1, characterized in that: One end of the channel (18) is connected to a filter box (17), a first water filter plate (15) is provided inside the filter box (17), a box door (36) is hinged on one side of the filter box (17), and a handle (37) is fixedly connected to one side of the box door (36).

7. The desulfurization tower with a spray device according to claim 1, characterized in that: The bottom of the base plate (12) is fixedly connected to a support foot (11); a groove (38) is provided inside the desulfurization tower body (1) and below the channel (18); a second water filter plate (39) is provided inside the groove (38); the bottom of the groove (38) is connected to a first pipe (14); and the bottom end of the first pipe (14) and located on one side of the support foot (11) is connected to a sewage collection tank (13).

8. The desulfurization tower with a spray device according to claim 1, characterized in that: The bottom of the desulfurization chamber (9) is in an inclined structure.

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