Sulfuric acid process titanium dioxide acidolysis tail gas white elimination device

Abstract

The invention discloses a sulfuric acid process titanium dioxide acidolysis tail gas white elimination device, and belongs to the technical field of sulfuric acid process titanium dioxide production, the sulfuric acid process titanium dioxide acidolysis tail gas white elimination device comprises a base and a white elimination mechanism, the white elimination mechanism comprises a cooling tower, a conveying pipe, a spraying assembly, a vibration assembly, a supporting frame, an air injection assembly and a liquid storage box, and tail gas can be cooled through the cooling tower; the cooled tail gas enters the inner side of the alkali spraying tower through the gas spraying assembly, stable operation can be further conducted on the tail gas, the tail gas is evenly distributed on the inner side of the alkali spraying tower, alkali liquor can make full contact with the tail gas through the spraying assembly, treatment operation on the tail gas is achieved, vibration operation of the supporting frame can be achieved when the conveying pipe rotates, and therefore the tail gas can be effectively treated. The gap between the fillers is reduced, the full contact operation of the alkali liquor and the tail gas is further realized, the whole operation process is convenient, and the working efficiency and the working effect are effectively improved.

Description

Technical Field

[0001] The invention belongs to the technical field of sulfuric acid process titanium dioxide production, and in particular relates to a sulfuric acid process titanium dioxide acidolysis tail gas whitening device. Background Art

[0002] In the entire sulfuric acid method titanium dioxide industry, the treatment of acidolysis tail gas has always been a very difficult problem; the total amount of waste gas emissions from the acidolysis reaction is not large, but due to the short time of the main reaction, the waste gas emissions are relatively concentrated, so the emission per unit time is huge, and the temperature is high, the acid content is large, and it is an explosive, high-temperature, high-concentration sulfuric acid mist waste gas; there are currently two spray towers responsible for treating acidolysis tail gas, which are used alternately; the spray tower is mainly composed of a spray tower, a composite spray tower, a circulating water pool and an alkali spray tower; its working principle is to use a fan to extract the acidolysis tail gas, and then pass it through the spray tower with process water for preliminary cooling before entering the circulating water pool, and then pass through the composite spray tower for further cooling before entering the alkali spray tower, and in the alkali spray tower, the acidolysis tail gas is further washed and absorbed with alkali solution to achieve the whitening effect.

[0003] During the operation of the existing sulfuric acid method titanium dioxide acid hydrolysis tail gas whitening device, the contact effect between the alkali solution and the tail gas is poor, which easily causes part of the tail gas to be discharged directly without contacting the alkali solution, affecting the working effect. In addition, the temperature of the tail gas is high during the treatment process, affecting the treatment efficiency.

[0004] In order to avoid the above technical problems, it is necessary to provide a sulfuric acid method titanium dioxide acid hydrolysis tail gas whitening device to overcome the above defects in the prior art. Summary of the Invention

[0005] The purpose of the present invention is to provide a sulfuric acid process titanium dioxide acidolysis tail gas whitening device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A sulfuric acid process titanium dioxide acidolysis tail gas whitening device, comprising a base and a whitening mechanism, wherein the whitening mechanism comprises:

[0008] A cooling tower is located on the base and is used to cool the exhaust gas. An alkali spray tower is also installed on the base. A delivery pipe is installed in the middle of the inner side of the alkali spray tower. The delivery pipe is used to deliver alkali solution. A spray assembly is installed between the delivery pipe and the alkali spray tower for spraying the alkali solution so that the exhaust gas and the alkali solution are fully in contact. A support frame is also installed inside the alkali spray tower for supporting fillers. A vibration assembly is installed between the support frame, the delivery pipe and the alkali spray tower for driving the support frame to vibrate during the rotation of the delivery pipe, thereby reducing gaps between the fillers and ensuring full contact between the exhaust gas and the alkali solution.

[0009] An injection assembly is installed at the bottom end of the inner side of the alkali spray tower, which is used to evenly distribute the exhaust gas inside the alkali spray tower after entering the alkali spray tower and further reduce the temperature of the exhaust gas. A liquid storage tank is provided on the side of the alkali spray tower for storing alkali solution. A guide pipe is installed between the liquid storage tank and the delivery pipe, and the guide pipe is rotatably connected to the delivery pipe.

[0010] As a further technical solution of the present invention: the jet assembly includes

[0011] A fixed frame is fixedly installed on the bottom end of the inner side of the alkali spray tower, and a vertical air pipe is installed in the middle of the inner side of the fixed frame. The bottom end of the air pipe extends out of the alkali spray tower, and the top of the air pipe is fixedly connected to the delivery pipe. The air pipe is rotatably connected to the fixed frame. An air guide cover is installed on the outer wall of the air pipe. The cross-sectional shape of the air guide cover is triangular, and a plurality of air jets are installed on the surface of the air guide cover. The air guide cover is provided with multiple and evenly installed on the air pipe. The air guide cover is connected to the air pipe. A driving assembly is installed at the bottom end of the alkali spray tower for driving the air pipe to rotate.

[0012] As a further technical solution of the present invention: the drive assembly includes:

[0013] A gear ring is fixedly mounted on the outside of the bottom end of the gas pipe. An air guide pipe is installed between the gas pipe and the cooling tower. The air guide pipe is rotatably connected to the gas pipe. A driving member is installed on the base. A driving tooth is fixedly mounted on the output end of the driving member. The driving tooth is meshed with the gear ring.

[0014] As a further technical solution of the present invention: the vibration component includes:

[0015] The chute is located on the inner wall of the alkali spray tower and is vertical. A slider is fixedly installed on the outer wall of the bottom end of the support frame. The slider is vertical and extends into the inner side of the chute. The slider is slidably connected to the chute. A horizontal fixing rod is fixedly installed on the outer wall of the conveying pipe. A protrusion is installed at the bottom end of the support frame. The shape of the bottom end of the protrusion is arc-shaped. There are multiple protrusions and they are distributed in a circular shape at the bottom end of the support frame for contacting the fixing rod.

[0016] As a further technical solution of the present invention: the spray assembly includes:

[0017] A slide rail is horizontally installed on the outer wall of the conveying pipe, and a movable frame is installed on the slide rail. The movable frame is inclined in shape, and a spray pipe is installed on the movable frame. A plurality of spray heads are evenly installed on the spray pipe. A telescopic pipe is installed between the spray pipe and the conveying pipe for conveying the alkali solution. A movable assembly is installed between the movable frame and the inner wall of the alkali spray tower for driving the movable frame to move back and forth along the slide rail when the movable frame rotates following the conveying pipe.

[0018] As a further technical solution of the present invention: the mobile component includes:

[0019] The inner gear ring is fixedly mounted on the inner wall of the alkali spray tower, and a short rod is fixedly mounted on one end of the slide rail near the inner gear ring, and the short rod is rotatably connected to the slide rail, and a rotating tooth is mounted on the top of the short rod, and the rotating tooth is meshed with the inner gear ring. An adjusting rod is fixedly mounted on the bottom end of the short rod, and the shape formed by the adjusting rod and the short rod is L-shaped. A rotating rod is mounted on the end of the adjusting rod away from the short rod, and a connecting rod is mounted on the bottom end of the rotating rod, and the rotating rod is rotatably connected to the adjusting rod and the connecting rod, and an articulated seat is mounted on one end of the movable frame near the inner gear ring, and the articulated seat is rotatably connected to one end of the connecting rod.

[0020] As a further technical solution of the present invention: a stirring rod is installed on the outer wall of the conveying pipe, the stirring rod is inclined, and multiple stirring rods are provided and evenly distributed on the outer wall of the conveying pipe. The stirring rod is located on the inner side of the support frame, and a fiber demister is installed on the top of the alkali spray tower, and an exhaust pipe is installed on the top of the fiber demister.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The present invention provides a sulfuric acid method titanium dioxide acidolysis tail gas whitening device, which can cool the tail gas through a cooling tower, and the cooled tail gas enters the inner side of the alkali spray tower through an injection component, which can further stabilize the tail gas and make the tail gas evenly distributed inside the alkali spray tower. The alkali solution and the tail gas can be fully contacted through the spray component to achieve the treatment operation of the tail gas. When the conveying pipe is rotated, the support frame can be vibrated to reduce the gap between the fillers, and further achieve the full contact operation between the alkali solution and the tail gas. The entire operation process is convenient, and the work efficiency and work effect are effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention.

[0024] Figure 2 It is a structural schematic diagram of the front view in the present invention.

[0025] Figure 3 It is a structural schematic diagram of the inner side of the alkali spray tower in the present invention.

[0026] Figure 4 For the present invention Figure 3 Schematic diagram of the structure from the front.

[0027] Figure 5 This is a schematic diagram of the structure of the spray assembly inside the alkali spray tower in the present invention.

[0028] Figure 6It is a structural schematic diagram of the vibration component in the present invention.

[0029] Figure 7 It is a schematic diagram of the structure on the outer wall of the delivery pipe in the present invention.

[0030] Figure 8 For the present invention Figure 7 Schematic diagram of the structure enlarged at point A in the middle.

[0031] Figure 9 It is a structural schematic diagram of the spray assembly in the present invention.

[0032] Figure 10 For the present invention Figure 9 Schematic diagram of the structure enlarged at point B.

[0033] In the attached figure: 1-base, 2-cooling tower, 3-alkali spray tower, 4-delivery pipe, 5-spray assembly, 51-slide rail, 52-moving frame, 53-spray pipe, 54-spray head, 55-telescopic pipe, 56-moving assembly, 561-inner gear ring, 562-short rod, 563-rotating gear, 564-adjusting rod, 565-rotating rod, 566-connecting rod, 567-hinge seat, 6-support frame, 7-vibration Dynamic assembly, 71- slide, 72- slider, 73- fixed rod, 74- bump, 8- jet assembly, 81- fixed frame, 82- air pipe, 83- air guide cover, 84- jet port, 85- drive assembly, 851- gear ring, 852- air guide pipe, 853- drive member, 854- drive gear, 9- liquid storage tank, 10- guide pipe, 11- stirring rod, 12- fiber demister, 13- exhaust pipe. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0036] like Figures 1 to 10 As shown in the embodiment provided by the present invention, a sulfuric acid process titanium dioxide acidolysis tail gas whitening device includes a base 1 and a whitening mechanism, and the whitening mechanism includes:

[0037] A cooling tower 2 is located on the base 1 and is used to cool the exhaust gas. An alkali spray tower 3 is also installed on the base 1. A delivery pipe 4 is installed in the middle of the inner side of the alkali spray tower 3. The delivery pipe 4 is used to transport alkali solution. A spray assembly 5 is installed between the delivery pipe 4 and the alkali spray tower 3 for spraying alkali solution so that the exhaust gas and the alkali solution are fully in contact. A support frame 6 is also installed inside the alkali spray tower 3 for supporting fillers. A vibration assembly 7 is installed between the support frame 6, the delivery pipe 4 and the alkali spray tower 3 for driving the support frame 6 to vibrate during the rotation of the delivery pipe 4, thereby reducing the gap between the fillers and ensuring full contact between the exhaust gas and the alkali solution.

[0038] An injection assembly 8 is installed at the bottom end of the inner side of the alkali spray tower 3, which is used to evenly distribute the exhaust gas inside the alkali spray tower 3 after entering the alkali spray tower 3 and further reduce the temperature of the exhaust gas. A liquid storage tank 9 is provided on the side of the alkali spray tower 3 for storing alkali solution. A guide pipe 10 is installed between the liquid storage tank 9 and the delivery pipe 4, and the guide pipe 10 is rotatably connected to the delivery pipe 4.

[0039] In this embodiment, the cooling tower 2 can cool the exhaust gas, and the cooled exhaust gas enters the inside of the alkali spray tower 3 through the jet assembly 8, which can further stabilize the exhaust gas and make the exhaust gas evenly distributed inside the alkali spray tower 3. The alkali solution and the exhaust gas can be fully contacted through the spray assembly 5 to achieve the treatment of the exhaust gas. When the conveying pipe 4 is rotated, the support frame 6 can be vibrated to reduce the gap between the fillers, further achieving the full contact operation between the alkali solution and the exhaust gas. The entire operation process is convenient and effectively improves work efficiency and work results. The support frame 6 is provided with a through hole at the bottom to allow the exhaust gas to pass through. The filler is located on the inner side of the support frame 6, and a stirring rod 11 is installed on the outer wall of the delivery pipe 4. The stirring rod 11 is inclined. There are multiple stirring rods 11 and they are evenly distributed on the outer wall of the delivery pipe 4. The stirring rod 11 is located on the inner side of the support frame 6, and a fiber demister 12 is installed on the top of the alkali spray tower 3. An exhaust pipe 13 is installed on the top of the fiber demister 12. When the delivery pipe 4 drives the stirring rod 11 to rotate, the filling inside the support frame 6 can be stirred by the stirring rod 11, so that the alkali solution can fully contact the exhaust gas, and the fine droplets can be intercepted by the fiber demister 12, which is convenient for the subsequent discharge of the exhaust gas.

[0040] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 9 The jet assembly 8 includes

[0041] A fixed frame 81 is fixedly mounted on the inner bottom end of the alkali spray tower 3, and a vertical air pipe 82 is installed in the middle of the inner side of the fixed frame 81. The bottom end of the air pipe 82 extends out of the alkali spray tower 3, and the top of the air pipe 82 is fixedly connected to the delivery pipe 4. The air pipe 82 is rotatably connected to the fixed frame 81. An air guide hood 83 is installed on the outer wall of the air pipe 82. The cross-sectional shape of the air guide hood 83 is triangular, and a plurality of air jets 84 are installed on the surface of the air guide hood 83. The air guide hood 83 is provided with multiple and evenly mounted on the air pipe 82. The air guide hood 83 is connected to the air pipe 82, and a driving assembly 85 is installed at the bottom end of the alkali spray tower 3 for driving the air pipe 82 to rotate.

[0042] The drive assembly 85 includes:

[0043] The gear ring 851 is fixedly mounted on the outside of the bottom end of the gas pipe 82. An air guide pipe 852 is installed between the gas pipe 82 and the cooling tower 2. The air guide pipe 852 is rotatably connected to the gas pipe 82. A driving member 853 is installed on the base 1. A driving tooth 854 is fixedly mounted on the output end of the driving member 853. The driving tooth 854 is meshed with the gear ring 851.

[0044] In this embodiment, a fixed frame 81 is fixedly installed at the bottom end of the inner side of the alkali spray tower 3. The fixed frame 81 can collect the alkali solution and discharge it through the drain pipe. A certain amount of alkali solution is left inside the fixed frame 81. A vertical air pipe 82 is provided in the middle of the fixed frame 81. A rolling bearing is installed between the air pipe 82 and the fixed frame 81. A plurality of air guide covers 83 are installed on the outer wall of the air pipe 82. A plurality of air jets 84 are evenly distributed on the air guide cover 83. The air guide cover 83 is immersed in the alkali solution. The air pipe 82 can be driven to rotate by the driving component 85, thereby further realizing the uniform distribution of the exhaust gas inside the alkali spray tower 3, and making the exhaust gas contact with the alkali solution to achieve a cooling operation, and the exhaust gas can be processed.

[0045] A gear ring 851 is fixedly installed on the outer wall of the bottom end of the air delivery pipe 82, and a rolling bearing is installed between the air guide pipe 852 and the air delivery pipe 82. The exhaust gas passing through the cooling tower 2 can be transported to the air delivery pipe 82 through the air guide pipe 852, and enter the inner side of the alkali spray tower 3 through the air guide cover 83 and the jet port 84. The driving member 853 can be a rotary motor or a stepping motor, etc. In this embodiment, the driving member 853 is a rotary motor, and a driving tooth 854 is fixedly installed on the output end of the driving member 853. The driving tooth 854 is meshed and connected with the gear ring 851. The delivery pipe 4 can be rotated by controlling the driving member 853.

[0046] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 and Figure 10 , the vibration component 7 includes:

[0047] The chute 71 is located on the inner wall of the alkali spray tower 3 and is vertical. A slider 72 is fixedly installed on the outer wall of the bottom end of the support frame 6. The slider 72 is vertical and extends into the inner side of the chute 71. The slider 72 is slidably connected to the chute 71. A horizontal fixing rod 73 is fixedly installed on the outer wall of the conveying pipe 4. A protrusion 74 is installed at the bottom end of the support frame 6. The bottom end of the protrusion 74 is in the shape of an arc. There are multiple protrusions 74 and they are distributed in a circular shape at the bottom end of the support frame 6 for contacting the fixing rod 73.

[0048] The cam 72 is fixed to the bottom of the support frame 6 and is used to move the cam 72 in the vertical direction.

[0049] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 and Figure 10 , the spray assembly 5 includes:

[0050] A slide rail 51 is horizontally mounted on the outer wall of the delivery pipe 4. A movable frame 52 is mounted on the slide rail 51. The movable frame 52 is inclined. A spray pipe 53 is mounted on the movable frame 52. A plurality of spray heads 54 are evenly mounted on the spray pipe 53. A telescopic pipe 55 is installed between the spray pipe 53 and the delivery pipe 4 for transporting the alkali solution. A movable assembly 56 is installed between the movable frame 52 and the inner wall of the alkali spray tower 3 for driving the movable frame 52 to move back and forth along the slide rail 51 when the movable frame 52 rotates following the delivery pipe 4.

[0051] The moving assembly 56 includes:

[0052] The inner gear ring 561 is fixedly mounted on the inner wall of the alkali spray tower 3, and a short rod 562 is fixedly mounted on one end of the slide rail 51 near the inner gear ring 561, and the short rod 562 is rotatably connected to the slide rail 51, and a rotating tooth 563 is mounted on the top of the short rod 562, and the rotating tooth 563 is meshed with the inner gear ring 561, and an adjusting rod 564 is fixedly mounted on the bottom end of the short rod 562, and the shape formed by the adjusting rod 564 and the short rod 562 is L-shaped, and a rotating rod 565 is mounted on the end of the adjusting rod 564 away from the short rod 562, and a connecting rod 566 is mounted on the bottom end of the rotating rod 565, and the rotating rod 565 is rotatably connected to the adjusting rod 564 and the connecting rod 566, and a hinge seat 567 is mounted on the end of the movable frame 52 near the inner gear ring 561, and the hinge seat 567 is rotatably connected to one end of the connecting rod 566.

[0053] In this embodiment, a plurality of horizontal slide rails 51 are fixedly mounted on the outer wall of the delivery pipe 4, and a movable frame 52 is mounted on the slide rail 51. The movable frame 52 is slidably connected to the slide rail 51, and the movable frame 52 can move to a stable position on the slide rail 51. The shape of the movable frame 52 is inclined, and a spray pipe 53 is mounted on the movable frame 52. A plurality of spray heads 54 are evenly mounted on the spray pipe 53. The spray range of the alkali solution can be expanded by the spray head 54, and the alkali solution can be fully contacted with the exhaust gas by cooperating with the adjacent movable frame 52 to achieve the treatment operation of the exhaust gas. The slide rail 51 and the movable frame 52 can be rotated following the delivery pipe 4. During the rotation, the position of the movable frame 52 can be moved by the movable component 56, and the spray position can be adjusted to further expand the spray range and achieve a sufficient spraying operation on the exhaust gas.

[0054] An inner gear ring 561 is fixedly mounted on the inner wall of the alkali spray tower 3, a vertical short rod 562 is mounted at one end of the slide rail 51, a rolling bearing is installed between the short rod 562 and the slide rail 51, a rotating tooth 563 is fixedly mounted on the top of the short rod 562, and the rotating tooth 563 is meshed with the inner gear ring 561. When the slide rail 51 rotates following the conveying pipe 4, the rotating tooth 563 can drive the short rod 562 to rotate on the slide rail 51, and an adjusting rod 564 is fixedly mounted on the bottom end of the short rod 562. The shape of the adjusting rod 564 and the short rod 562 is L-shaped, and the adjusting rod 564 is away from the short rod 5 62 is equipped with a rotating rod 565 at one end, and a connecting rod 566 is also equipped at the bottom end of the rotating rod 565. The rotating rod 565 is rotatably connected to one end of the connecting rod 566. Rolling bearings are installed between the rotating rod 565, the adjusting rod 564 and the connecting rod 566. A hinge seat 567 is fixedly installed on one end of the movable frame 52 near the short rod 562. The hinge seat 567 is rotatably connected to the other end of the connecting rod 566. When the short rod 562 drives the adjusting rod 564 to rotate, the movable frame 52 can be driven to move back and forth along the slide rail 51 to adjust the spray range and fully spray the exhaust gas.

[0055] The working principle of the present invention is:

[0056] In the present invention, the exhaust gas is first cooled by the cooling tower 2, and then enters the inner side of the air delivery pipe 82 through the air guide pipe 852. The control driving member 853 is operated to drive the air delivery pipe 82 and the delivery pipe 4 to rotate synchronously. The exhaust gas contacts the alkali solution on the inner side of the fixed frame 81 through the air guide cover 83 and the jet nozzle 84, further reducing the temperature of the exhaust gas. Then the exhaust gas passes through the filler gap on the support frame 6. At this time, the delivery pipe 4 transports the alkali solution, and the alkali solution is sprayed out through the spray pipe 53 and the spray head 54 to achieve full contact between the alkali solution and the exhaust gas. With the cooperation of the movable frame 52 and the spray head 54, the alkali solution and the exhaust gas can be fully contacted. During the rotation of the delivery pipe 4, the support frame 6 can be vibrated by the fixed rod 73 and the protrusion 74, which is convenient for reducing the gap between the fillers, so that the alkali solution can further fully contact with the exhaust gas, thereby improving the treatment effect of the exhaust gas.

[0057] The above description is only a preferred embodiment of the present invention and is 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 scope of protection of the present invention.

[0058] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A sulfuric acid process titanium dioxide acidolysis tail gas degassing device, comprising a base (1) and a degassing mechanism, characterized in that: The whitening mechanism comprises: A cooling tower (2) is located on the base (1) and is used to cool the tail gas. An alkali spray tower (3) is also installed on the base (1). A delivery pipe (4) is installed in the middle of the inner side of the alkali spray tower (3). The delivery pipe (4) is used to deliver alkali solution. A spray assembly (5) is installed between the delivery pipe (4) and the alkali spray tower (3) and is used to spray the alkali solution so that the tail gas and the alkali solution are fully in contact. A support frame (6) is also installed inside the alkali spray tower (3) and is used to support fillers. A vibration assembly (7) is installed between the support frame (6), the delivery pipe (4) and the alkali spray tower (3) and is used to drive the support frame (6) to vibrate during the rotation of the delivery pipe (4), thereby reducing gaps between the fillers and ensuring that the tail gas and the alkali solution are fully in contact. The bottom end of the inner side of the alkali spray tower (3) is equipped with an injection assembly (8), which is used to evenly distribute the tail gas inside the alkali spray tower (3) after entering the alkali spray tower (3) and further reduce the temperature of the tail gas. The side of the alkali spray tower (3) is provided with a liquid storage tank (9), which is used to store alkali solution. A guide pipe (10) is installed between the liquid storage tank (9) and the delivery pipe (4), and the guide pipe (10) is rotatably connected to the delivery pipe (4).

2. The sulfuric acid process titanium dioxide acidolysis tail gas whitening device according to claim 1, characterized in that: The jet assembly (8) includes A fixed frame (81) is fixedly mounted on the inner bottom end of the alkali spray tower (3). A vertical air delivery pipe (82) is mounted in the middle of the inner side of the fixed frame (81). The bottom end of the air delivery pipe (82) extends out of the alkali spray tower (3). The top end of the air delivery pipe (82) is fixedly connected to the delivery pipe (4). The air delivery pipe (82) is rotatably connected to the fixed frame (81). An air guide hood (83) is mounted on the outer wall of the air delivery pipe (82). The cross-sectional shape of the air guide hood (83) is triangular. A plurality of air jets (84) are mounted on the surface of the air guide hood (83). The air guide hood (83) is provided with a plurality of air jets and is evenly mounted on the air delivery pipe (82). The air guide hood (83) is in communication with the air delivery pipe (82). A driving assembly (85) is mounted on the bottom end of the alkali spray tower (3) for driving the air delivery pipe (82) to rotate.

3. The sulfuric acid process titanium dioxide acidolysis tail gas whitening device according to claim 2, characterized in that: The drive assembly (85) comprises: A gear ring (851) is fixedly mounted on the outside of the bottom end of the gas delivery pipe (82); an air guide pipe (852) is mounted between the gas delivery pipe (82) and the cooling tower (2); the air guide pipe (852) and the gas delivery pipe (82) are rotatably connected; a driving member (853) is mounted on the base (1); a driving tooth (854) is fixedly mounted on the output end of the driving member (853); and the driving tooth (854) is meshedly connected to the gear ring (851).

4. The sulfuric acid process titanium dioxide acidolysis tail gas whitening device according to claim 3, characterized in that: The vibration component (7) comprises: The chute (71) is located on the inner wall of the alkali spray tower (3) and is vertical. A slider (72) is fixedly installed on the outer wall of the bottom end of the support frame (6). The slider (72) is vertical and extends into the inner side of the chute (71). The slider (72) is slidably connected to the chute (71). A horizontal fixing rod (73) is fixedly installed on the outer wall of the delivery pipe (4). A protrusion (74) is installed on the bottom end of the support frame (6). The bottom end of the protrusion (74) is in the shape of an arc. The protrusion (74) is provided with a plurality of protrusions and is distributed in a circumferential shape on the bottom end of the support frame (6) for contacting the fixing rod (73).

5. The sulfuric acid process titanium dioxide acidolysis tail gas whitening device according to claim 4, characterized in that: The spray assembly (5) comprises: A slide rail (51) is horizontally mounted on the outer wall of the delivery pipe (4); a movable frame (52) is mounted on the slide rail (51); the movable frame (52) is inclined; a spray pipe (53) is mounted on the movable frame (52); a plurality of spray heads (54) are evenly mounted on the spray pipe (53); a telescopic pipe (55) is mounted between the spray pipe (53) and the delivery pipe (4) for transporting the alkali solution; a movable assembly (56) is mounted between the movable frame (52) and the inner wall of the alkali spray tower (3) for driving the movable frame (52) to reciprocate along the slide rail (51) when the movable frame (52) rotates following the delivery pipe (4).

6. The sulfuric acid process titanium dioxide acidolysis tail gas whitening device according to claim 5, characterized in that: The moving assembly (56) comprises: The inner gear ring (561) is fixedly mounted on the inner wall of the alkali spray tower (3). A short rod (562) is fixedly mounted on one end of the slide rail (51) close to the inner gear ring (561). The short rod (562) is rotatably connected to the slide rail (51). A rotating tooth (563) is mounted on the top of the short rod (562). The rotating tooth (563) is meshed with the inner gear ring (561). An adjusting rod (564) is fixedly mounted on the bottom end of the short rod (562). The adjusting rod (564) is in contact with the inner gear ring (561). The short rod (562) is in an L-shaped shape. A rotating rod (565) is installed at one end of the adjusting rod (564) away from the short rod (562). A connecting rod (566) is installed at the bottom end of the rotating rod (565). The rotating rod (565) is rotatably connected to the adjusting rod (564) and the connecting rod (566). A hinge seat (567) is installed at one end of the movable frame (52) close to the inner gear ring (561). The hinge seat (567) is rotatably connected to one end of the connecting rod (566).

7. The sulfuric acid process titanium dioxide acidolysis tail gas whitening device according to claim 1, characterized in that: A stirring rod (11) is installed on the outer wall of the conveying pipe (4), and the stirring rod (11) is inclined. A plurality of stirring rods (11) are provided and evenly distributed on the outer wall of the conveying pipe (4). The stirring rod (11) is located on the inner side of the support frame (6). A fiber demister (12) is installed at the top of the alkali spray tower (3), and an exhaust pipe (13) is installed at the top of the fiber demister (12).

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