A combined spray device for a scrubbing tower

Abstract

The application discloses a kind of washing tower combination spray device, it is related to washing tower technical field.The present application includes washing tower main body, the outer wall of washing tower main body is fixed with air inlet pipe, the top of washing tower main body is fixed with air outlet pipe, the inside of washing tower main body is provided with spray assembly, the inside of washing tower main body is provided with packing layer, the inner wall bottom of washing tower main body is provided with anti-fouling device, the anti-fouling device includes two electric push rods, and the bottom of two electric push rods is fixed in the inner wall bottom of washing tower main body.The present application is under the cooperation of electric push rod, support ring, track column, fixed ring, sliding block, rotating ring, vertical block, and the back-and-forth reciprocating rotation of sliding block will drive vertical block to move back and forth, and the back-and-forth reciprocating movement of vertical block will scrape the dirt formed by benzene series, ester and other chemical substances in waste gas in washing tower main body, so as to ensure that the inside wall of washing tower main body is clean and tidy.

Description

Technical Field

[0001] This invention relates to the field of scrubbing tower technology, specifically to a combined spray device for a scrubbing tower. Background Technology

[0002] The combined spray scrubbing tower is used to atomize and scrub waste gas. By cross-spraying the chemical solution, the gas-liquid contact area is increased, which can efficiently remove acidic substances, dust and organic pollutants from the waste gas. The system is stable in operation and has high purification efficiency. It is widely used in waste gas treatment in industries such as chemical and electroplating.

[0003] Chinese patent publication number CN120286402A discloses a combined spray device and a washing tower for a washing tower, relating to the field of washing tower technology. The patent includes a spray pipe, a support ring, and a connecting pipe frame. A packing cage is mounted on the support ring, with multiple rotating abutments at both ends of the packing cage. Four high-pressure flushing pipes are connected to the outer circumference of the connecting pipe frame. A sliding water pipe is installed inside the connecting pipe frame, with a telescopic water pipe connected to its end. A water pump is installed at the end of the telescopic water pipe. Two abutment components and two limiting components are installed inside the support ring. Two flipping toothed plates are mounted on the support ring, and a transmission ring is installed at the bottom of the sliding water pipe. The water pump increases the movement of the sliding water pipe, thereby causing the packing cage to flip. The high-pressure flushing pipes flush the packing inside the packing cage. Simultaneously, the high-pressure water pushes the packing cage to rotate, generating centrifugal force that throws impurities out of the packing cage. The high-pressure water flushing and centrifugal force enhance the cleaning effect, thereby increasing the treatment efficiency of the washing tower.

[0004] However, the current combined spray device for scrubbing towers has the following problems: When using a scrubbing tower to scrub and purify waste gas, the waste gas enters the packing layer from below. Therefore, before the waste gas enters the packing layer, benzene compounds, esters and other chemicals in the waste gas will adhere to the inner wall of the scrubbing tower, resulting in scale formation of benzene compounds, esters and other chemicals on the inner wall of the scrubbing tower. Therefore, we propose a combined spray device for scrubbing towers. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a combined spraying device for a scrubbing tower, which solves the problems mentioned in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a combined spraying device for a scrubbing tower, comprising a scrubbing tower body, an air inlet pipe fixed to the outer wall of the scrubbing tower body, an air outlet pipe fixed to the top of the scrubbing tower body, a spraying assembly disposed inside the scrubbing tower body, a packing layer disposed inside the scrubbing tower body, and an anti-scaling device disposed at the bottom of the inner wall of the scrubbing tower body. The anti-scaling device comprises two electric push rods, the bottoms of which are fixed to the bottom of the inner wall of the scrubbing tower body. A single support ring is fixed at the top, and a track column is fixed at the top of the support ring. A fixing ring is fixed to the inner wall of the main body of the washing tower. Multiple sliding blocks are slidably installed on the outer wall of the fixing ring. A rotating ring is fixed to the side of the multiple sliding blocks away from the fixing ring. An oblique annular track groove is opened on the outer wall of the track column. A slider for sliding in the oblique annular track groove is installed on the inner wall of the rotating ring. A vertical block is fixed to the top of each of the multiple sliding blocks. A fan plate is fixed to the side of each of the multiple vertical blocks. Several oblique grooves are opened on both sides of the fan plate.

[0007] According to the above technical solution, an arc block is fixed between the two sliding blocks, a sharp corner block is fixed at the top of the arc block, and guide grooves are provided on both sides of the sharp corner block.

[0008] According to the above technical solution, one end of the air inlet pipe located at the main body of the washing tower is on the movement trajectory of the sharp corner of the sharp corner block.

[0009] According to the above technical solution, an auxiliary device is provided on the top of each of the fan plates. The auxiliary device includes a movable block, which is slidably installed on the top of the fan plate. L-shaped plates are fixed on both sides of the movable block. A movable plate is slidably installed on the top of the inner wall of the L-shaped plate. A spring is provided between the movable plate and the L-shaped plate. Industrial cotton is fixed on the side of the movable plate and is in contact with the fan plate. A sliding column is fixed on the top of the L-shaped plate. An arc-shaped track plate is fixed on the inner wall of the washing tower body. The outer wall of the sliding column is slidably installed on the inner wall of the arc-shaped track plate.

[0010] According to the above technical solution, a slotted plate is fixed to the side of the vertical block, a long block is fixed to the side of the fan plate, and several U-shaped pointed plates are fixed to the side of the long block.

[0011] According to the above technical solution, the slotted plate is located on the movement trajectory of the industrial cotton, and several of the U-shaped pointed plates are also located on the movement trajectory of the industrial cotton.

[0012] According to the above technical solution, an anti-clogging device is provided at the top of the track column. The anti-clogging device includes a vertical rod, the bottom of which is fixed to the top of the track column. A spiral coil support block is fixed at the top of the vertical rod, and several long needles are fixed at the top of the spiral coil support block.

[0013] According to the above technical solution, the filler layer is located on the movement trajectory of several long needles.

[0014] This invention provides a combined spray device for a scrubbing tower. It has the following beneficial effects:

[0015] (1) Through the setting of the anti-scaling device, the electric push rod, support ring, track column, fixed ring, sliding block, rotating ring, and vertical block cooperate to drive the vertical block to move back and forth. The back and forth movement of the vertical block will scrape off the dirt formed by benzene series compounds, esters and other chemical substances in the waste gas on the body of the scrubbing tower, thereby ensuring that the inner wall of the scrubbing tower body is clean and tidy. With the cooperation of the electric push rod, support ring, track column, fixed ring, sliding block, rotating ring, vertical block and fan plate, the back and forth movement of the fan plate will cause the waste gas entering the scrubbing tower body to continuously change the flow direction during the upward process. This enhances the mixing effect of the gas and liquid phases, ensuring that harmful substances in the waste gas are fully absorbed by the scrubbing liquid, thereby improving purification efficiency and reducing the maintenance frequency of the packing. Simultaneously, the combination of the fan plate and the inclined groove causes the waste gas to move upwards along the inclined groove during the reciprocating motion of the fan plate, reducing the residence time of the waste gas at the fan plate. Furthermore, the combination of the arc block, sharp corner block, and sliding block causes the sharp corner block to disperse the waste gas entering the main body of the scrubbing tower when it moves to the inlet pipe, thus preventing the waste gas from being directly sprayed onto the inner wall of the scrubbing tower opposite the inlet pipe.

[0016] (2) Through the setting of auxiliary devices, the present invention, with the cooperation of moving block, L-shaped plate, moving plate, spring, industrial cotton, sliding column and arc track plate, under the elastic force of spring, the moving plate will push the industrial cotton to make close contact with the surface of the fan plate. Therefore, the washing liquid in the industrial cotton will react with the benzene series, ester and other chemical substances adhering to the surface of the fan plate, thereby avoiding the formation of dirt in the inclined groove of the fan plate by benzene series, ester and other chemical substances, which would make it difficult for the exhaust gas to be guided upward through the inclined groove. At the same time, with the cooperation of industrial cotton and groove plate, groove plate will squeeze the industrial cotton, thereby squeezing out the liquid of benzene series, ester and other chemical substances in the industrial cotton after the reaction is completed, avoiding the problem that the inner wall of the industrial cotton is too saturated and difficult to absorb new washing liquid. In addition, with the cooperation of industrial cotton and U-shaped pointed plate, the industrial cotton releases some liquid, which can continue to react with benzene series, ester and other chemical substances on the surface of the fan plate, and can avoid the industrial cotton releasing too much washing liquid, which would affect the upward movement of exhaust gas.

[0017] (3) By setting up an anti-clogging device, the long needle moves up and down and continuously inserts into the interior of the packing layer with the cooperation of the vertical rod, the spiral coil support block, the long needle, the packing layer and the track column. This can interrupt the accumulation of chemical sites in the waste gas in the gaps of the packing layer, which would cause the pores to be blocked. It can also loosen the packing layer, maintain a uniform porosity, and allow the waste gas to fully contact the washing liquid while passing through the packing layer. This ensures a continuous and stable gas-liquid mass transfer effect, reduces the frequency of manual shutdown for cleaning, and extends the service life of the packing layer. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the entire invention;

[0019] Figure 2 This is a schematic diagram of the side cross-section structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the electric actuator of the present invention;

[0021] Figure 4 This is a schematic diagram of the structure at the fixing ring of the present invention;

[0022] Figure 5 This is a schematic diagram of the structure at the sliding block of the present invention;

[0023] Figure 6 This is a schematic diagram of the structure of the movable plate of the present invention;

[0024] Figure 7 This is a schematic diagram of the structure at the slot plate of the present invention;

[0025] Figure 8 This is a schematic diagram of the structure at the vertical rod of the present invention;

[0026] Figure 9 For the present invention Figure 8 Schematic diagram of the structure at point A in the middle.

[0027] In the diagram: 1. Scrubber tower body; 2. Inlet pipe; 3. Outlet pipe; 4. Spray assembly; 5. Packing layer; 6. Anti-scaling device; 61. Electric push rod; 62. Support ring; 63. Track column; 64. Fixed ring; 65. Sliding block; 66. Rotating ring; 67. Vertical block; 68. Fan plate; 69. Inclined groove; 610. Arc block; 611. Sharp corner block; 7. Auxiliary device; 71. Moving block; 72. L-shaped plate; 73. Moving plate; 74. Spring; 75. Industrial cotton; 76. Sliding column; 77. Arc-shaped track plate; 78. Groove plate; 79. Long block; 710. U-shaped pointed plate; 8. Anti-clogging device; 81. Vertical rod; 82. Spiral coil support block; 83. Long needle. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0029] Please see Figures 1-9 One embodiment of the present invention is as follows: a combined spray device for a scrubbing tower includes a scrubbing tower body 1, an air inlet pipe 2 fixed to the outer wall of the scrubbing tower body 1, an air outlet pipe 3 fixed to the top of the scrubbing tower body 1, a spray assembly 4 disposed inside the scrubbing tower body 1, a packing layer 5 disposed inside the scrubbing tower body 1, and an anti-scaling device 6 disposed at the bottom of the inner wall of the scrubbing tower body 1. The anti-scaling device 6 includes two electric push rods 61, the bottoms of which are fixed to the bottom of the inner wall of the scrubbing tower body 1, and the tops of which are fixed to the same support ring 62. The top of the support ring 62 is fixed to a track column 63. A fixing ring 64 is fixed to the inner wall of the scrubbing tower body 1, and multiple sliding blocks 65 are slidably installed on the outer wall of the fixing ring 64. A common rotating ring 66 is fixed to the side of the multiple sliding blocks 65 away from the fixing ring 64. The outer wall of the track column 63 is provided with an oblique annular track groove, and the inner wall of the rotating ring 66 is equipped with a slider for sliding in the oblique annular track groove. The top of multiple sliding blocks 65 is fixed with a vertical block 67, and the sides of multiple vertical blocks 67 are fixed with a fan plate 68. Several oblique grooves 69 are provided on both sides of the fan plate 68. With the above structure, the reciprocating rotation of the sliding block 65 will drive the vertical block 67 to reciprocate. The reciprocating motion of the vertical block 67 will scrape off the dirt formed on the main body 1 of the scrubbing tower by benzene series compounds, esters and other chemicals in the exhaust gas, thereby ensuring that the inner wall of the main body 1 of the scrubbing tower is clean and tidy. Moreover, the exhaust gas continuously changes its flow direction during the upward process, thereby enhancing the mixing effect of the gas and liquid phases and ensuring that the harmful substances in the exhaust gas are fully absorbed by the scrubbing liquid. This improves the purification efficiency while reducing the maintenance frequency of the packing.

[0030] An arc block 610 is fixed between two sliding blocks 65. A sharp corner block 611 is fixed to the top of the arc block 610. Guide grooves are provided on both sides of the sharp corner of the sharp corner block 611. One end of the air inlet pipe 2 located at the main body of the scrubbing tower is on the movement trajectory of the sharp corner of the sharp corner block 611. With the above structure, when the fan plate 68 reciprocates, it will cause the exhaust gas to move upward along the inclined groove 69, thereby reducing the time that the exhaust gas stays at the fan plate 68. When the sharp corner block 611 moves to the air inlet pipe 2, it will disperse the exhaust gas entering the main body of the scrubbing tower 1, thereby avoiding the problem that the exhaust gas will be directly sprayed onto the inner wall of the main body of the scrubbing tower 1 opposite the air inlet pipe 2.

[0031] Each of the several fan plates 68 is equipped with an auxiliary device 7 on its top. The auxiliary device 7 includes a movable block 71, which is slidably mounted on the top of the fan plate 68. L-shaped plates 72 are fixed to both sides of the movable block 71. A movable plate 73 is slidably mounted on the top of the inner wall of the L-shaped plate 72. A spring 74 is provided between the movable plate 73 and the L-shaped plate 72. Industrial cotton 75 is fixed to the side of the movable plate 73, and the industrial cotton 75 contacts the fan plate 68. A sliding column 76 is fixed to the top of the L-shaped plate 72. An arc-shaped column is fixed to the inner wall of the washing tower body 1. The outer wall of the curved track plate 77 and the sliding column 76 are slidably installed on the inner wall of the curved track plate 77. With the above structure, under the elastic force of the spring 74, the moving plate 73 will push the industrial cotton 75 to make close contact with the surface of the fan plate 68. Therefore, the washing liquid in the industrial cotton 75 will react with the benzene series compounds, esters and other chemical substances adhering to the surface of the fan plate 68, thereby avoiding the formation of dirt in the inclined groove 69 of the fan plate 68 by the benzene series compounds, esters and other chemical substances, which would make it difficult for the exhaust gas to be guided upward through the inclined groove 69.

[0032] A slotted plate 78 is fixed to the side of the vertical block 67, a long block 79 is fixed to the side of the fan plate 68, and several U-shaped pointed plates 710 are fixed to the side of the long block 79. The slotted plate 78 is located on the movement trajectory of the industrial cotton 75, and the several U-shaped pointed plates 710 are also located on the movement trajectory of the industrial cotton 75. Through the above structure, the slotted plate 78 will squeeze the industrial cotton 75, thereby squeezing out the liquid formed by the reaction of benzene series compounds, esters and other chemical substances in the washing liquid inside the industrial cotton 75, avoiding the problem that the inner wall of the industrial cotton 75 is too saturated and therefore cannot absorb new washing liquid.

[0033] In operation, the external pipe is fixed to the inlet pipe 2, allowing the exhaust gas to be purified to enter the scrubbing tower body 1 through the inlet pipe 2. The spray assembly 4 is then activated, and the exhaust gas preferentially passes through the packing layer 5 before reacting with the scrubbing liquid sprayed from the spray assembly 4, thereby removing harmful substances from the exhaust gas. The purified exhaust gas then enters the next process through the outlet pipe 3. When the exhaust gas enters the scrubbing tower body 1 through the inlet pipe 2, the electric push rod 61 is activated. The telescopic end of the electric push rod 61 pushes the support ring 62 upwards. The downward movement of the support ring 62 causes the track column 63 to move up and down. This movement of the track column 63 causes the slider on the inner wall of the rotating ring 66 to move along the inclined annular track groove of the track column 63, thus causing the rotating ring 66 to reciprocate. This reciprocating rotation of the rotating ring 66 causes the sliding block 65 to reciprocate along the outer wall of the fixed ring 64. The reciprocating rotation of the sliding block 65 causes the vertical block 67 to reciprocate. This reciprocating motion of the vertical block 67 removes benzene compounds and esters from the exhaust gas. The chemical substances that form dirt on the main body 1 of the scrubbing tower are scraped away, ensuring the cleanliness of the inner wall of the main body 1. The reciprocating motion of the vertical block 67 drives the fan plate 68 to reciprocate, and the reciprocating motion of the fan plate 68 causes the exhaust gas entering the main body 1 to continuously change its flow direction during its ascent, thereby enhancing the mixing effect of the gas and liquid phases and ensuring that harmful substances in the exhaust gas are fully absorbed by the scrubbing liquid. This improves the purification efficiency while reducing the maintenance frequency of the packing. The reciprocating motion of the fan plate 68 causes the exhaust gas to... Moving upward along the inclined groove 69 reduces the time the exhaust gas stays at the fan plate 68; when the two sliding blocks 65 rotate back and forth, they drive the arc block 610 to rotate back and forth, and the arc block 610 rotates back and forth, which drives the sharp corner block 611 to move back and forth. When the sharp corner block 611 moves to the air inlet pipe 2, the sharp corner block 611 will disperse the exhaust gas entering the scrubbing tower body 1, thereby avoiding the problem of exhaust gas being directly sprayed onto the inner wall of the scrubbing tower body 1 opposite the air inlet pipe 2.

[0034] When the spray assembly 4 sprays the washing liquid, it wets the industrial cotton 75. Therefore, the rotation of the fan plate 68 causes the moving block 71 to rotate, which in turn causes the L-shaped plate 72 to rotate. The rotation of the L-shaped plate 72 causes the sliding column 76 to move along the track groove of the arc-shaped track plate 77. The movement of the sliding column 76 causes the L-shaped plate 72 and the moving block 71 to move along the top of the fan plate 68 while rotating. The movement of the L-shaped plate 72 causes the moving plate 73 to move, which in turn causes the industrial cotton 75 to move along the surface of the fan plate 68. Simultaneously, under the elastic force of the spring 74, the moving plate 73 pushes the industrial cotton 75 into close contact with the surface of the fan plate 68. Therefore, the washing liquid in the industrial cotton 75 reacts with benzene compounds, esters, and other chemicals adhering to the surface of the fan plate 68, thereby preventing benzene compounds from reacting with the washing liquid. Esters and other chemicals form dirt at the inclined groove 69 of the fan plate 68, making it difficult for exhaust gas to be guided upward through the inclined groove 69. When the industrial cotton 75 moves to the slot plate 78, the slot plate 78 will squeeze the industrial cotton 75, thereby squeezing out the liquid formed by the reaction of benzene series compounds, esters and other chemicals in the washing liquid inside the industrial cotton 75, thus avoiding the problem of the inner wall of the industrial cotton 75 being too saturated and unable to absorb new washing liquid. When the industrial cotton 75 moves to the U-shaped pointed plate 710, since several U-shaped pointed plates 710 are in a dispersing state, they will form an intermittent squeezing of the industrial cotton 75, thereby allowing the industrial cotton 75 to release some liquid, which can continue to react with benzene series compounds, esters and other chemicals on the surface of the fan plate 68, and can prevent the industrial cotton 75 from releasing too much washing liquid, thus affecting the upward movement of exhaust gas.

[0035] Please see Figures 1-9 Based on the above embodiments, in another embodiment of the present invention, an anti-clogging device 8 is provided on the top of the track column 63. The anti-clogging device 8 includes a vertical rod 81, the bottom of which is fixed to the top of the track column 63. A spiral coil support block 82 is fixed on the top of the vertical rod 81, and several long needles 83 are fixed on the top of the spiral coil support block 82. The packing layer 5 is located on the movement trajectory of the several long needles 83. With the above structure, the long needles 83 move up and down and continuously insert into the interior of the packing layer 5, thereby interrupting the accumulation of chemical sites in the waste gas in the gaps of the packing layer 5, which would cause the pores to be blocked. It can also loosen the packing layer 5, maintain uniform porosity, and allow the waste gas to fully contact the washing liquid while passing through the packing layer 5, thereby ensuring a continuous and stable gas-liquid mass transfer effect, reducing the frequency of manual shutdown for cleaning, and extending the service life of the packing layer 5.

[0036] During use, the back-and-forth movement of the track column 63 drives the vertical rod 81 to move back and forth. The upward movement of the vertical rod 81 drives the spiral coil support block 82 to move back and forth. The back-and-forth movement of the spiral coil support block 82 drives the long needle 83 to move back and forth. The back-and-forth movement of the long needle 83 continuously inserts into the interior of the packing layer 5, thereby interrupting the accumulation of chemical sites in the exhaust gas in the gaps of the packing layer 5, preventing the pores from becoming blocked. It also loosens the packing layer 5, maintains a uniform porosity, and allows the exhaust gas to fully contact the washing liquid while passing through the packing layer 5, thus ensuring a continuous and stable gas-liquid mass transfer effect, reducing the frequency of manual shutdown for cleaning, and extending the service life of the packing layer 5.

[0037] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A combined spraying device for a scrubbing tower, comprising a scrubbing tower body (1), an air inlet pipe (2) fixed to the outer wall of the scrubbing tower body (1), an air outlet pipe (3) fixed to the top of the scrubbing tower body (1), a spraying assembly (4) disposed inside the scrubbing tower body (1), and a packing layer (5) disposed inside the scrubbing tower body (1), characterized in that: An anti-scaling device (6) is provided at the bottom of the inner wall of the washing tower body (1). The anti-scaling device (6) includes two electric push rods (61). The bottoms of the two electric push rods (61) are fixed to the bottom of the inner wall of the washing tower body (1). The tops of the two electric push rods (61) are fixed with the same support ring (62). The top of the support ring (62) is fixed with a track column (63). A fixing ring (64) is fixed to the inner wall of the washing tower body (1). The outer wall of the fixing ring (64) is slidably mounted with... Multiple sliding blocks (65) are provided, and the same rotating ring (66) is fixed on the side of the multiple sliding blocks (65) away from the fixed ring (64). The outer wall of the track column (63) is provided with an oblique annular track groove. The inner wall of the rotating ring (66) is provided with a slider for sliding in the oblique annular track groove. The top of each of the multiple sliding blocks (65) is fixed with a vertical block (67). The sides of each of the multiple vertical blocks (67) are fixed with a fan plate (68). Several oblique grooves (69) are provided on both sides of the fan plate (68).

2. The combined spray device for a scrubbing tower according to claim 1, characterized in that: An arc block (610) is fixed between the two sliding blocks (65), and a sharp corner block (611) is fixed to the top of the arc block (610). Guide grooves are provided on both sides of the sharp corner of the sharp corner block (611).

3. The combined spray device for a scrubbing tower according to claim 2, characterized in that: The end of the air inlet pipe (2) located at the main body (1) of the washing tower is on the trajectory of the sharp corner of the sharp corner block (611).

4. A combined spray device for a scrubbing tower according to claim 3, characterized in that: Auxiliary devices (7) are provided on the top of several fan plates (68). The auxiliary devices (7) include a moving block (71). The moving block (71) is slidably installed on the top of the fan plate (68). L-shaped plates (72) are fixed on both sides of the moving block (71). A moving plate (73) is slidably installed on the top of the inner wall of the L-shaped plate (72). A spring (74) is provided between the moving plate (73) and the L-shaped plate (72). Industrial cotton (75) is fixed on the side of the moving plate (73). The industrial cotton (75) is in contact with the fan plate (68). A sliding column (76) is fixed on the top of the L-shaped plate (72). An arc-shaped track plate (77) is fixed on the inner wall of the washing tower body (1). The outer wall of the sliding column (76) is slidably installed on the inner wall of the arc-shaped track plate (77).

5. A combined spray device for a scrubbing tower according to claim 4, characterized in that: The vertical block (67) has a slotted plate (78) fixed to its side, the fan plate (68) has a long block (79) fixed to its side, and the long block (79) has several U-shaped pointed plates (710) fixed to its side.

6. A combined spray device for a scrubbing tower according to claim 5, characterized in that: The slotted plate (78) is located on the movement trajectory of the industrial cotton (75), and several of the U-shaped pointed plates (710) are also located on the movement trajectory of the industrial cotton (75).

7. A combined spray device for a scrubbing tower according to claim 6, characterized in that: The top of the track column (63) is provided with an anti-blocking device (8), which includes a vertical rod (81). The bottom of the vertical rod (81) is fixed to the top of the track column (63), and a spiral coil support block (82) is fixed to the top of the vertical rod (81). Several long needles (83) are fixed to the top of the spiral coil support block (82).

8. A combined spray device for a scrubbing tower according to claim 7, characterized in that: The filler layer (5) is located on the movement trajectory of several long needles (83).

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