Spraying desulfurizing tower

Abstract

The invention relates to the technical field of desulfurization towers, and discloses a spray desulfurization tower, which comprises a desulfurization tower body, and also comprises a liquid collection container fixed at the top position of the inner surface of the desulfurization tower body, and an inclined plane is arranged on the liquid collection container; the flow guide plate is fixed at the top position of the inner surface of the desulfurizing tower body, the flow guide plate is arranged right opposite to the liquid collecting container, an inclined surface is also arranged on the flow guide plate, and the inclination direction of the inclined surface of the flow guide plate is opposite to that of the inclined surface of the liquid collecting container; the defoaming mesh cylinder is rotationally mounted at the top of the inner surface of the desulfurizing tower body, two ends of the defoaming mesh cylinder are of closed structures, and a plurality of meshes are uniformly distributed on the outer peripheral surface of the defoaming mesh cylinder. During use, the scraping strip can scrape liquid beads attached to the outer surface of the defoaming net barrel when swinging downwards, so that droplet aggregation is effectively promoted, the liquid drops can be quickly formed and drip, and droplet aggregation efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of desulfurization towers, in particular to a spray desulfurization tower. Background Art

[0002] The spray desulfurization tower is a commonly used equipment for flue gas desulfurization. It is mainly used to remove sulfur dioxide produced during the combustion process. The equipment removes sulfur dioxide from the flue gas by chemical reaction or physical absorption by contacting the flue gas with the spray liquid, thereby reducing pollution to the environment.

[0003] After searching, the Chinese patent with the announcement number CN215388671U discloses a new desulfurization tower, including a desulfurization tower, a circulation pump and a spray pipe. The desulfurization tower is provided with a smoke exhaust port on the top and a liquid discharge port on the bottom. The inner side of the desulfurization tower is provided with a smoke partition wall and a support pipe. The circulation pump is arranged between the desulfurization tower and the spray pipe. The spray pipe extends to the inner side of the desulfurization tower. The extended end of the spray pipe is provided with a nozzle. The inner side wall of the desulfurization tower, the smoke partition wall and the outer side of the support pipe are all provided with an adhesive layer, and the adhesive layer is provided with a wear-resistant composite ceramic layer. The above scheme has a simple structure, prolongs the service life of the new desulfurization tower, and reduces the maintenance cost. However, the above scheme still has the following shortcomings when it is actually used: A defoamer is generally installed on the top of the desulfurization tower to remove the residual absorbent mixed in the gas. There are many types of defoamers for desulfurization towers. The wire mesh defoamer has a good defoaming effect and is widely used. The existing wire mesh defoamers are generally in the form of discs. The disc structure of the wire mesh defoamer makes it easy for the mist to gather inside the defoamer, and the droplets fall slowly. This will cause the mist to accumulate inside the defoamer, increase the resistance of the defoamer, and reduce the defoaming efficiency. In addition, the floating foam will drip directly after condensing into droplets. The dripping droplets will re-contact with the rising gas, causing secondary entrainment. The re-entrainment of the droplets will increase the droplet content in the gas, reducing the defoaming efficiency and quality.

[0004] Therefore, it is necessary to design a spray desulfurization tower to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a spray desulfurization tower.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A spray desulfurization tower, comprising a desulfurization tower body, and also comprising: A liquid collecting container, the liquid collecting container is fixed at the top position of the inner surface of the desulfurization tower body, and the liquid collecting container is provided with an inclined surface; A guide plate, the guide plate is fixed at the top position of the inner surface of the desulfurization tower body, the guide plate is arranged directly opposite to the liquid collecting container, the guide plate is also provided with an inclined surface, and the inclined direction of the guide plate inclined surface is opposite to the inclined direction of the liquid collecting container inclined surface; A defoaming net cylinder, which is rotatably mounted on the top of the inner surface of the desulfurization tower body, and both ends of the defoaming net cylinder are closed structures, and a plurality of meshes are evenly distributed on its outer circumference. The defoaming net cylinder is arranged directly opposite to the area between the liquid collecting container and the guide plate; A driving structure, wherein the driving structure is arranged inside the desulfurization tower body, the driving structure is arranged at one end of the defoaming net cylinder, and the defoaming net cylinder is driven by the driving structure; A foam scraping structure, wherein the foam scraping structure is arranged inside the desulfurization tower body, and the foam scraping structure is placed on one side of the foam removal net cylinder; A swing structure, wherein the swing structure is arranged inside the desulfurization tower body and driven by the driving structure, wherein the swing structure is arranged on one side of the driving structure; The control structure is arranged inside the desulfurization tower body, and the control structure is arranged opposite to the defoaming net cylinder.

[0007] As a preferred technical solution of the present invention, the driving structure includes: A motor, wherein the motor is mounted on the inner surface of the desulfurization tower body; A drive shaft, wherein the drive shaft is fixed to an output shaft of the motor; A driving gear, wherein the driving gear is fixedly connected to the driving shaft; A shaft rod, the shaft rod being fixed to one end of the defoaming net cylinder; The driven gear is fixedly connected to the shaft rod, and the driving gear and the driven gear are meshed with each other.

[0008] As a preferred technical solution of the present invention, the scraping structure includes: A mounting frame, wherein the mounting frame is an L-shaped structure; A sliding plate, wherein the sliding plate is slidably arranged on the mounting frame and is placed on one side of the defoaming net cylinder; A scraper bar, the scraper bar is arranged on a side of the sliding plate close to the defoaming net cylinder; Two slideways, both of which are arranged on the mounting frame; A limit rod, wherein the limit rod is in a U-shaped structure and is fixed on the sliding plate, and both ends of the limit rod are slidably arranged in two slideways respectively; Two tension springs, one end of each of the tension springs is connected to the mounting frame, and the other end of each of the tension springs is connected to the sliding plate.

[0009] As a preferred technical solution of the present invention, the swing structure includes: A bracket, the bracket is fixed to the inner surface of the desulfurization tower body, and the bracket is provided with a mounting opening; A rotating cylinder, the rotating cylinder passes through the installation opening and is rotatably installed in the installation opening, and the rotating cylinder is fixedly connected to one end of the installation frame; A gear ring, the gear ring is fixedly connected to the rotating cylinder; A rack, the rack meshing with the gear ring; The transmission member is placed inside the desulfurization tower body and is connected to the rack.

[0010] As a preferred technical solution of the present invention, the transmission member includes: A fixing frame, wherein the fixing frame is fixed inside the desulfurization tower body; A reciprocating screw rod, the reciprocating screw rod is rotatably mounted on a fixed frame; A moving block, wherein the moving block is threadedly sleeved on the reciprocating screw rod, and the bottom surface of the moving block and the side surface of the fixed frame are in contact with each other, and the top of the moving block is fixedly connected to the rack; A connecting rod, the connecting rod being fixed to one end of the reciprocating screw rod; A bevel gear 1, fixedly sleeved on the driving shaft; The second bevel gear is fixedly sleeved on the connecting rod and meshes with the first bevel gear.

[0011] As a preferred technical solution of the present invention, the control structure includes: A connecting frame, wherein the connecting frame is in an L-shaped structure, and one end of the connecting frame is fixed to the mounting frame; A mounting plate, wherein the mounting plate is fixed on the connecting frame; An electromagnet, wherein the electromagnet is mounted on a mounting plate; A magnetic plate, the magnetic plate is fixed on the sliding plate, and the magnetic plate is made of magnetic material; A control switch, the control switch is mounted on the mounting plate, and the control switch is electrically connected to the electromagnet; Two trigger sources are installed on the inner surface of the desulfurization tower body, and the two trigger sources are arranged vertically opposite to each other.

[0012] As a preferred technical solution of the present invention, the scraper strip is made of rubber material, and the scraper strip is connected to the sliding plate via a detachable structure.

[0013] As a preferred technical solution of the present invention, the side surface of the mounting frame and the side surface of the sliding plate are in contact with each other.

[0014] As a preferred technical solution of the present invention, the shaft rod, the rotating cylinder and the defoaming net cylinder are coaxially arranged.

[0015] As a preferred technical solution of the present invention, the transmission ratio of the driving gear to the driven gear is less than 1, the transmission ratio of the ring gear to the rack is less than 1, and the transmission ratio of the driving gear to the driven gear is greater than the transmission ratio of the ring gear to the rack.

[0016] The present invention has the following beneficial effects: 1. The scraper can scrape off the liquid droplets attached to the outer surface of the foam removal net cylinder when it swings down, which effectively promotes the aggregation of droplets and helps the droplets to form and drip quickly, thereby improving the aggregation efficiency of droplets; 2. The downward swing of the scraper can collect the liquid droplets on the surface of the defoaming net cylinder. This can not only prevent the droplets from falling directly downward, but also prevent the droplets from re-contacting the rising gas, thereby reducing the possibility of secondary entrainment. By scraping off the droplets attached to the outer surface of the defoaming net cylinder and collecting them, this design effectively improves the defoaming efficiency and effect, reduces the situation of re-entrainment of droplets, and ensures the defoaming effect and efficiency of the device for gas; 3. Since the swinging speed of the sliding plate is greater than the rotation speed of the defoaming net cylinder, the sliding plate can swing back and forth at a relatively high frequency, which can increase the cleaning frequency of the liquid beads attached to the outer surface of the defoaming net cylinder and improve the defoaming effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a spray desulfurization tower proposed by the present invention; Figure 2 It is a schematic diagram of the cross-sectional structure of the desulfurization tower body; Figure 3 for Figure 2 A magnified view of the structure at A; Figure 4 It is a structural schematic diagram of the foam removal net cylinder, the driving structure, the foam scraping structure and the swinging structure; Figure 5 It is an exploded view of the foam removal net cylinder, driving structure, foam scraping structure and swing structure; Figure 6 for Figure 4 A magnified view of the structure at B; Figure 7 It is a structural schematic diagram of the scraping foam structure; Figure 8 It is a schematic diagram of the planar structure of the desulfurization tower body, defoaming net cylinder, defoaming structure and two trigger sources.

[0018] In the figure: 1 desulfurization tower body, 2 liquid collecting container, 3 guide plate, 4 defoaming net cylinder, 51 motor, 52 drive shaft, 53 drive gear, 54 shaft rod, 55 driven gear, 61 mounting frame, 62 sliding plate, 63 scraper bar, 64 slideway, 65 limit rod, 66 tension spring, 71 bracket, 72 rotating cylinder, 73 ring gear, 74 rack, 75 transmission part, 751 fixed frame, 752 reciprocating screw rod, 753 moving block, 754 connecting rod, 755 bevel gear one, 756 bevel gear two, 81 connecting frame, 82 mounting plate, 83 electromagnet, 84 magnetic plate, 85 control switch, 86 trigger source. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Reference Figure 1-8 , a spray desulfurization tower comprises a desulfurization tower body 1, and also comprises: a liquid collecting container 2, the liquid collecting container 2 is fixed at the top position of the inner surface of the desulfurization tower body 1, and the liquid collecting container 2 is provided with an inclined surface; a guide plate 3, the guide plate 3 is fixed at the top position of the inner surface of the desulfurization tower body 1, the guide plate 3 is arranged opposite to the liquid collecting container 2, and the guide plate 3 is also provided with an inclined surface, and the inclination direction of the inclined surface of the guide plate 3 is opposite to the inclination direction of the inclined surface of the liquid collecting container 2; a defoaming net cylinder 4, the defoaming net cylinder 4 is rotatably installed at the top position of the inner surface of the desulfurization tower body 1, both ends of the defoaming net cylinder 4 are closed structures, and a plurality of meshes are evenly distributed on its outer circumference, and the defoaming net cylinder 4 is arranged opposite to the area between the liquid collecting container 2 and the guide plate 3, and the inclined surface of the liquid collecting container 2 and the inclined surface of the guide plate 3 guide the flow of the airflow, so that the airflow can flow in the direction of the defoaming net cylinder 4 in an all-round way, thereby ensuring the defoaming net cylinder 4 The treatment effect of the gas; The device also includes a driving structure, which is arranged inside the desulfurization tower body 1. The driving structure is arranged at one end of the defoaming net cylinder 4. The defoaming net cylinder 4 is driven by the driving structure. The driving structure includes: a motor 51, which is installed on the inner surface of the desulfurization tower body 1; a driving shaft 52, which is fixed to the output shaft of the motor 51; a driving gear 53, which is fixedly connected to the driving shaft 52; a shaft 54, which is fixed to one end of the defoaming net cylinder 4; a driven gear 55, which is fixedly connected to the shaft 54, and the driving gear 53 and the driven gear 55 are connected to each other. The motor 51 is meshed with each other, and when the motor 51 is running, it can drive the driving shaft 52 to rotate, and when the driving shaft 52 rotates, it can drive the driving gear 53 to rotate, and when the driving gear 53 rotates, it can drive the driven gear 55 to rotate, and the shaft 54 ​​will also rotate accordingly, and when the shaft 54 ​​rotates, it can drive the defoaming net cylinder 4 to rotate. Since the transmission ratio of the driving gear 53 and the driven gear 55 is less than 1, the defoaming net cylinder 4 can rotate slowly. In this process, the gas will evenly contact the outer surface of the rotating defoaming net cylinder 4, and the liquid droplets mixed in the gas will also evenly adhere to the outer surface of the defoaming net cylinder 4; The device also includes a scraping structure, which is arranged inside the desulfurization tower body 1 and is placed on one side of the defoaming net cylinder 4. The scraping structure includes: a mounting frame 61, which is an L-shaped structure; a sliding plate 62, which is slidably arranged on the mounting frame 61, and the sliding plate 62 is placed on one side of the defoaming net cylinder 4, and the side of the mounting frame 61 and the side of the sliding plate 62 are in contact with each other; a scraping strip 63, which is arranged on the side of the sliding plate 62 close to the defoaming net cylinder 4, and the scraping strip 63 is made of rubber material, and the scraping strip 63 and the sliding plate 62 are connected by a detachable structure, so that the staff can replace the scraping strip 63 conveniently; two slideways 64, both of which are opened on the mounting frame 61; a limiting rod 65, which is a U-shaped structure, and The limiting rod 65 is fixed on the sliding plate 62, and the two ends of the limiting rod 65 are respectively slidably arranged in the two slideways 64, and the two slideways 64 and the limiting rod 65 limit the movement of the sliding plate 62; two tension springs 66, one end of the two tension springs 66 are connected to the mounting frame 61, and the other ends of the two tension springs 66 are connected to the sliding plate 62. Every time the scraper bar 63 swings down, the scraper bar 63 can scrape off the liquid droplets attached to the outer surface of the foam removal net cylinder 4, thereby collecting the liquid droplets on the surface of the foam removal net cylinder 4. This design can not only improve the aggregation efficiency of the droplets, so that the droplets can be quickly formed and dripped, but also can collect the droplets, prevent the droplets from falling directly downward, and avoid the droplets from re-contacting with the rising gas, thereby avoiding the phenomenon of secondary entrainment of the droplets; The device also includes a swing structure, which is arranged inside the desulfurization tower body 1 and is driven by the driving structure, wherein the swing structure is arranged on one side of the driving structure, and the swing structure includes: a bracket 71, the bracket 71 is fixed to the inner surface of the desulfurization tower body 1, and a mounting opening is opened on the bracket 71; a rotating cylinder 72, the rotating cylinder 72 passes through the mounting opening, and the rotating cylinder 72 is rotatably installed in the mounting opening, the rotating cylinder 72 is fixedly connected to one end of the mounting frame 61, and the shaft 54, the rotating cylinder 72 and the defoaming net cylinder 4 are coaxially arranged; a gear ring 73, the gear ring 73 is fixedly connected to the rotating cylinder 72; a rack 74, the rack 74 and the gear ring 73 are meshed with each other, the transmission ratio of the driving gear 53 and the driven gear 55 is less than 1, the transmission ratio of the ring gear 73 and the rack 74 is less than 1, and the transmission ratio of the driving gear 53 and the driven gear 55 is greater than the transmission ratio of the ring gear 73 and the rack 74; the transmission member 75, the transmission member 75 is placed inside the desulfurization tower body 1, and the transmission member 75 is connected to the rack 74, and the transmission member 75 includes: a fixed frame 751, the fixed frame 751 is fixed inside the desulfurization tower body 1; a reciprocating screw rod 752, the reciprocating screw rod 752 is rotatably installed on the fixed frame 751; a moving block 753, the moving block 753 is threadedly sleeved on the reciprocating screw rod 752, and the moving block 7 The bottom surface of 53 and the side surface of the fixed frame 751 fit each other, and the top of the moving block 753 is fixedly connected to the rack 74; the connecting rod 754, the connecting rod 754 is fixed to one end of the reciprocating screw rod 752; the bevel gear 1 755 is fixedly sleeved on the driving shaft 52; the bevel gear 2 756 is fixedly sleeved on the connecting rod 754 and meshes with the bevel gear 1 755. When the driving shaft 52 rotates, it can also drive the connecting rod 754 to rotate through the two meshing bevel gears 1 755 and the bevel gear 2 756. When the connecting rod 754 rotates, it can drive the reciprocating screw rod 752 to rotate. The side surfaces fit each other, so the moving block 753 cannot rotate with the reciprocating screw rod 752. Therefore, when the reciprocating screw rod 752 rotates, it can drive the moving block 753 to reciprocate, and the rack 74 will also reciprocate. When the rack 74 moves in one direction, the rack 74 can drive the ring gear 73 to rotate in one direction. When the rack 74 moves in another direction, the rack 74 can drive the ring gear 73 to rotate in another direction. Therefore, along with the reciprocating movement of the rack 74, the ring gear 73 can drive the rotating cylinder 72 to rotate forward and reverse continuously. When the rotating cylinder 72 rotates forward and reverse, the mounting frame 61 and the sliding plate 62 will swing. The device also includes a control structure, which is arranged inside the desulfurization tower body 1, and the control structure is arranged opposite to the defoaming net cylinder 4. The control structure includes: a connecting frame 81, the connecting frame 81 is an L-shaped structure, and one end of the connecting frame 81 is fixed to the mounting frame 61; a mounting plate 82, the mounting plate 82 is fixed to the connecting frame 81; an electromagnet 83, the electromagnet 83 is installed on the mounting plate 82; a magnetic plate 84, the magnetic plate 84 is fixed on the sliding plate 62, and the magnetic plate 84 is made of magnetic material; a control switch 85, the control switch 85 is installed on the mounting plate 82, and the control switch 85 is electrically connected to the electromagnet 83; two trigger sources 8 6. Both trigger sources 86 are installed on the inner surface of the desulfurization tower body 1, and the two trigger sources 86 are arranged vertically opposite to each other. The control method of the two trigger sources 86 for the control switch 85 is the existing technology, which is not an innovative part of the present technical solution. It is not shown in the figure and will not be described in detail here. Specifically, the two trigger sources 86 and the control switch 85 can adopt infrared transmitters and infrared receivers, or photoelectric transmitters and photoelectric receivers, or components with the same control effect as the above two control devices, so as to achieve the effect of powering off when the electromagnet 83 is in the upper limit position and powering on when the electromagnet 83 is in the lower limit position.

[0021] The specific working principle of the present invention is as follows: The spray desulfurization tower proposed by the present invention is used as follows: Figure 8 As described above, in the initial state, the foam scraping structure is located at the lower limit position of its swing path, at this time, the foam scraping structure is close to the liquid collecting container 2, the control switch 85 is arranged directly opposite to the trigger source 86 at the bottom, the electromagnet 83 is in the energized state, the energized electromagnet 83 can generate magnetism and attract the magnetic plate 84, so that the sliding plate 62 is located away from the foam removal net cylinder 4, and the scraping strip 63 does not contact the foam removal net cylinder 4; When the gas is defoamed, the motor 51 runs, and when the motor 51 runs, it can drive the driving shaft 52 to rotate, and when the driving shaft 52 rotates, it can drive the driving gear 53 to rotate, and when the driving gear 53 rotates, it can drive the driven gear 55 to rotate, and the shaft 54 ​​will also rotate accordingly. When the shaft 54 ​​rotates, it can drive the defoaming net cylinder 4 to rotate. Since the transmission ratio of the driving gear 53 and the driven gear 55 is less than 1, the defoaming net cylinder 4 can rotate slowly. In this process, the gas will evenly contact the outer surface of the rotating defoaming net cylinder 4, and the liquid droplets mixed in the gas will also evenly adhere to the outer surface of the defoaming net cylinder 4. In addition, when the driving shaft 52 rotates, it can also drive the connecting rod 754 to rotate through two mutually meshing bevel gears 1 755 and bevel gear 2 756. When the connecting rod 754 rotates, it can drive the reciprocating screw rod 752 to rotate. Since the bottom surface of the moving block 753 and the side surface of the fixed frame 751 are in contact with each other, the moving block 753 cannot rotate with the reciprocating screw rod 752. Therefore, when the reciprocating screw rod 752 rotates, it can drive the moving block 753 to reciprocate, and the rack 74 will also reciprocate. When the rack 74 moves in one direction, the rack 74 can drive the ring gear 73 to rotate in one direction. When the rack 74 moves in another direction, the rack 74 can drive the ring gear 73 to rotate in another direction. Therefore, along with the reciprocating movement of the rack 74, the ring gear 73 can drive the rotating cylinder 72 to rotate continuously in the forward and reverse directions. When the rotating cylinder 72 is reversed, the mounting frame 61 and the sliding plate 62 will swing. Figure 8 As shown, Figure 8 The dotted line in represents the swing path of the sliding plate 62; When the sliding plate 62 swings to the upper limit position, the control switch 85 is set opposite to the trigger source 86 at the upper end. At this time, the electromagnet 83 is powered off. When the electromagnet 83 is powered off, it no longer provides magnetic attraction to the magnetic plate 84. At this time, the sliding plate 62 is reset under the action of the two tension springs 66, which enables the scraper 63 to contact the outer surface of the defoaming net cylinder 4. When the scraper 63 is able to contact the outer surface of the defoaming net cylinder 4, the scraper 63 will swing downward with the sliding plate 62. At this time, the scraper 63 can remove the foam attached to the defoaming net cylinder 4. The liquid droplets on the outer surface of the mesh cylinder 4 are scraped off, so that the liquid droplets gather into droplets. Further, the droplets will flow into the interior of the liquid collecting container 2. When the sliding plate 62 moves to the lower limit position again, the control switch 85 will be set directly opposite the trigger source 86 at the lower end. At this time, the electromagnet 83 will be energized again, so that the scraper 63 is separated from the defoaming mesh cylinder 4. Based on the above process, when the sliding plate 62 swings up, the scraper 63 will not contact the defoaming mesh cylinder 4. When the sliding plate 62 swings down, the scraper 63 can contact the defoaming mesh cylinder 4. The scraper 63 Each time it swings down, the scraper strip 63 can scrape off the liquid droplets attached to the outer surface of the defoaming net tube 4, thereby collecting the liquid droplets on the surface of the defoaming net tube 4. This design can not only improve the aggregation efficiency of the droplets, make the droplets quickly form and drip, but also collect the droplets, prevent the droplets from falling directly downward, avoid the droplets from re-contacting with the rising gas, and thus avoid the phenomenon of secondary entrainment of the droplets, thereby ensuring the defoaming effect and defoaming efficiency of the device for the gas. It is worth noting that the control method of the two trigger sources 86 for the control switch 85 is the prior art, which is not an innovative part of the present technical solution, is not shown in the figure, and will not be described in detail here. Specifically, the two trigger sources 86 and the control switch 85 can adopt infrared transmitters and infrared receivers, or photoelectric transmitters and photoelectric receivers, and components with the same control effect as the above two control devices can also be adopted, so as to achieve the effect of powering off when the electromagnet 83 is in the upper limit position and powering on when the electromagnet 83 is in the lower limit position; It should be noted that the transmission ratio of the driving gear 53 and the driven gear 55 is less than 1, which allows the defoaming net cylinder 4 to rotate slowly, and the transmission ratio of the ring gear 73 and the rack 74 is less than 1, which allows the sliding plate 62 to swing slowly. The transmission ratio of the driving gear 53 and the driven gear 55 is greater than the transmission ratio of the ring gear 73 and the rack 74, so that the swinging speed of the sliding plate 62 is greater than the rotation speed of the defoaming net cylinder 4. This design allows the sliding plate 62 to swing back and forth at a relatively high frequency during the rotation of the defoaming net cylinder 4, thereby ensuring the cleaning effect of the scraper 63 on the liquid droplets attached to the outer surface of the defoaming net cylinder 4.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spray desulfurization tower, comprising a desulfurization tower body (1), characterized in that: Also includes: A liquid collecting container (2), the liquid collecting container (2) being fixed at the top position of the inner surface of the desulfurization tower body (1), and the liquid collecting container (2) being provided with an inclined surface; A guide plate (3), the guide plate (3) being fixed at the top position of the inner surface of the desulfurization tower body (1), the guide plate (3) being arranged opposite to the liquid collecting container (2), the guide plate (3) also being provided with an inclined surface, and the inclination direction of the inclined surface of the guide plate (3) being opposite to the inclination direction of the inclined surface of the liquid collecting container (2); A defoaming net cylinder (4), the defoaming net cylinder (4) being rotatably mounted at the top position of the inner surface of the desulfurization tower body (1), the two ends of the defoaming net cylinder (4) being in a closed structure, a plurality of meshes being evenly distributed on the outer peripheral surface thereof, the defoaming net cylinder (4) being arranged facing the area between the liquid collecting container (2) and the guide plate (3); A driving structure, wherein the driving structure is arranged inside the desulfurization tower body (1), the driving structure is arranged at one end of the defoaming net cylinder (4), and the defoaming net cylinder (4) is driven by the driving structure; A foam scraping structure, wherein the foam scraping structure is arranged inside the desulfurization tower body (1), and the foam scraping structure is placed on one side of the foam removal net cylinder (4); A swing structure, wherein the swing structure is arranged inside the desulfurization tower body (1), and the swing structure is driven by the driving structure, wherein the swing structure is arranged on one side of the driving structure; A control structure, wherein the control structure is arranged inside the desulfurization tower body (1), and the control structure is arranged directly opposite to the defoaming net cylinder (4).

2. A spray desulfurization tower according to claim 1, characterized in that: The driving structure comprises: A motor (51), wherein the motor (51) is mounted on the inner surface of the desulfurization tower body (1); A drive shaft (52), wherein the drive shaft (52) is fixed to an output shaft of the motor (51); A driving gear (53), wherein the driving gear (53) is fixedly connected to the driving shaft (52); A shaft rod (54), wherein the shaft rod (54) is fixed to one end of the defoaming net cylinder (4); A driven gear (55) is fixedly connected to the shaft (54), and the driving gear (53) and the driven gear (55) are meshed with each other.

3. A spray desulfurization tower according to claim 2, characterized in that: The scraping foam structure comprises: A mounting frame (61), wherein the mounting frame (61) is an L-shaped structure; A sliding plate (62), the sliding plate (62) being slidably disposed on the mounting frame (61), and the sliding plate (62) being placed on one side of the defoaming net cylinder (4); a scraper strip (63), the scraper strip (63) being arranged on a side of the sliding plate (62) close to the defoaming net cylinder (4); Two slideways (64), both of which are arranged on the mounting frame (61); A limiting rod (65), the limiting rod (65) being of a U-shaped structure, and the limiting rod (65) being fixed on the sliding plate (62), and the two ends of the limiting rod (65) being slidably disposed in two slideways (64) respectively; Two tension springs (66), one end of each of the two tension springs (66) is connected to the mounting frame (61), and the other end of each of the two tension springs (66) is connected to the sliding plate (62).

4. A spray desulfurization tower according to claim 3, characterized in that: The swing structure comprises: A bracket (71), the bracket (71) being fixed to the inner surface of the desulfurization tower body (1), and the bracket (71) being provided with a mounting opening; a rotating cylinder (72), the rotating cylinder (72) passing through the installation opening, and the rotating cylinder (72) being rotatably installed in the installation opening, the rotating cylinder (72) being fixedly connected to one end of the installation frame (61); A gear ring (73), wherein the gear ring (73) is fixedly connected to the rotating cylinder (72); A rack (74), wherein the rack (74) and the gear ring (73) are meshed with each other; A transmission member (75), wherein the transmission member (75) is disposed inside the desulfurization tower body (1), and the transmission member (75) is connected to the rack (74).

5. A spray desulfurization tower according to claim 4, characterized in that: The transmission member (75) comprises: A fixing frame (751), wherein the fixing frame (751) is fixed inside the desulfurization tower body (1); A reciprocating screw rod (752), wherein the reciprocating screw rod (752) is rotatably mounted on a fixed frame (751); A moving block (753), wherein the moving block (753) is threadedly sleeved on the reciprocating screw rod (752), and the bottom surface of the moving block (753) and the side surface of the fixed frame (751) are in contact with each other, and the top end of the moving block (753) is fixedly connected to the rack (74); A connecting rod (754), wherein the connecting rod (754) is fixed to one end of the reciprocating screw rod (752); A bevel gear (755) fixedly sleeved on the drive shaft (52); Bevel gear 2 (756) is fixedly sleeved on the connecting rod (754) and meshes with bevel gear 1 (755).

6. A spray desulfurization tower according to claim 3, characterized in that: The control structure includes: A connecting frame (81), wherein the connecting frame (81) is in an L-shaped structure, and one end of the connecting frame (81) is fixed to the mounting frame (61); A mounting plate (82), wherein the mounting plate (82) is fixed on the connecting frame (81); An electromagnet (83), wherein the electromagnet (83) is mounted on the mounting plate (82); A magnetic plate (84), the magnetic plate (84) being fixed on the sliding plate (62), the magnetic plate (84) being made of a magnetic material; A control switch (85), the control switch (85) being mounted on the mounting plate (82), the control switch (85) being electrically connected to the electromagnet (83); Two trigger sources (86), both of which are installed on the inner surface of the desulfurization tower body (1), and the two trigger sources (86) are arranged vertically opposite to each other.

7. A spray desulfurization tower according to claim 3, characterized in that: The scraper strip (63) is made of rubber material, and the scraper strip (63) is connected to the sliding plate (62) via a detachable structure.

8. A spray desulfurization tower according to claim 3, characterized in that: The side surface of the mounting frame (61) and the side surface of the sliding plate (62) are in contact with each other.

9. A spray desulfurization tower according to claim 4, characterized in that: The shaft rod (54), the rotating cylinder (72) and the defoaming net cylinder (4) are coaxially arranged.

10. A spray desulfurization tower according to claim 4, characterized in that: The transmission ratio between the driving gear (53) and the driven gear (55) is less than 1, the transmission ratio between the ring gear (73) and the rack (74) is less than 1, and the transmission ratio between the driving gear (53) and the driven gear (55) is greater than the transmission ratio between the ring gear (73) and the rack (74).

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