A flue gas circulation spray type washing device

Abstract

The present invention relates to the technical field of flue gas treatment, specifically to a flue gas circulation spray-type washing device, comprising a tower body, wherein an adjusting plate 1 and an adjusting plate 2 are arranged inside the tower body, wherein the adjusting plate 1 and the adjusting plate 2 divide the inside of the tower body into a washing area and a blank area, wherein an adjusting component is arranged between the adjusting plate 1 and the adjusting plate 2, wherein a plurality of support rods are arranged in the washing area, wherein a smoke shield is arranged on the outer wall of the support rod, and a control component is arranged on the support rod; wherein a spray head is arranged inside the tower body, and the spray head is arranged on the guide component. The present invention can adjust the size of the washing area according to the density of the flue gas, so that when the amount of flue gas introduced is small, the area of ​​the area where the flue gas flows is reduced, so that the spray head can be used to centrally wash the flue gas, so as to ensure that the washing liquid is fully utilized and the flue gas is fully washed; and according to the flow rate of the introduced flue gas, the opening angle of the smoke shield is adjusted accordingly, so as to control the speed of the flue gas passing through the washing area, adjust the time for the flue gas to be washed, and ensure that the flue gas is fully washed.

Description

Technical Field

[0001] The invention relates to the technical field of flue gas treatment, in particular to a flue gas circulation spray type washing device. Background Art

[0002] During industrial production, especially in some production processes involving heat treatment steps (such as drying, roasting, combustion, etc.), exhaust gas or flue gas containing pollutants will be generated. These flue gases and exhaust gases containing pollutants and harmful flue gases need to be purified before they can meet the emission standards, and the purification treatment includes the flue gas washing process. Flue gas washing refers to the use of a certain washing liquid to wash the flue gas generated by industrial production. The process flue gas is in direct contact with an alkaline solution or slurry, and some pollutants in the process flue gas are captured in the alkaline solution or slurry, and particulate matter, sulfur dioxide, nitrogen oxides and other harmful substances dissolved in the washing liquid in the flue gas are removed, and the flue gas temperature is reduced, thereby achieving the purpose of controlling flue gas pollutants and preventing environmental pollution.

[0003] At present, during the washing process, the washing device contacts the flue gas with a spray-type washing liquid to wash the flue gas. However, when the concentration of the incoming flue gas is small, if the same dose is continued to be sprayed, it will lead to waste of washing liquid. If the spraying dose is reduced, due to the uneven distribution of the flue gas during diffusion, the part with high content of harmful substances in the flue gas will not be fully washed, causing environmental pollution. Summary of the invention

[0004] The object of the present invention is to provide a flue gas circulation spray type scrubbing device to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a flue gas circulation spray washing device, comprising a tower body, wherein an adjusting plate 1 and an adjusting plate 2 are arranged inside the tower body, wherein the adjusting plate 1 and the adjusting plate 2 divide the inside of the tower body into a washing area and a blank area, and an adjusting component is arranged between the adjusting plate 1 and the adjusting plate 2, wherein the adjusting component is used to adjust the distance between the adjusting plate 1 and the adjusting plate 2, and when the distance between the adjusting plate 1 and the adjusting plate 2 changes, the range of the washing area and the blank area changes; a plurality of support rods are arranged in the washing area, wherein a smoke barrier is arranged on the outer wall of the support rod, wherein the smoke barrier is used to change the flow rate of the flue gas, and a control component is arranged on the support rod, wherein the control component is used to control the smoke barrier to be opened or closed; a spray head is arranged inside the tower body, wherein the spray head is arranged on the guide component, and wherein the spray head sprays washing liquid into the washing area.

[0006] Furthermore, the adjustment plate 1 and the adjustment plate 2 are both arranged on the outer wall of the central axis, the adjustment plate 1 is fixedly connected to the central axis, the adjustment plate 2 is rotatably connected to the central axis, the side walls of the adjustment plate 1 and the adjustment plate 2 are both in contact with the inner wall of the tower body, a blank area and a washing area are formed between the adjustment plate 1 and the adjustment plate 2, a shielding cloth is provided in the blank area, the shielding cloth is arranged at both end portions of the adjustment plate 1 and the adjustment plate 2, the shielding cloth is sealed between the adjustment plate 1 and the adjustment plate 2, and the smoke passes through the washing area.

[0007] Furthermore, the adjustment component includes an adjustment ring, which is fixedly connected to the second adjustment plate, and an annular rack is provided on the side wall of the adjustment ring. The annular rack is meshed with a gear, and the annular rack is sleeved on the outer wall of the output shaft of the driving motor.

[0008] Furthermore, the smoke barrier canopy includes a canopy roof, a connecting rod 1 and a connecting rod 2, the canopy roof is umbrella-shaped, the connecting rod 1 is connected to the canopy roof, the connecting rod 1 is used to support the canopy roof, one end of the connecting rod 1 is hinged to the support rod, and the other end of the connecting rod 1 is hinged to the connecting rod 2, the outer wall of the support rod is provided with a supporting ring with a sliding connection, one end of the connecting rod 2 is hinged to the supporting ring, and the connecting rod 2 changes the angle of the connecting rod 1 when moving to control the opening or closing of the canopy roof, the canopy roof is staggered, and a plurality of smoke flow holes are provided on the canopy roof. When the canopy roof is opened, the smoke passes through the smoke flow holes, and the canopy roof is provided with an adjustment unit, and the adjustment unit is used to automatically adjust the distance between two adjacent canopies.

[0009] Furthermore, the adjustment unit includes a second magnet block, which is arranged at the end of the support rod, and the adjacent surfaces of two adjacent magnet blocks have the same magnetic properties. The end of the support rod extends to a guide ring, and the guide ring is fixedly connected to the tower body through a fixing rod, and the support rod performs circular motion along the guide ring.

[0010] Furthermore, the control component includes a magnet block 1, which is fixedly connected to the support ring, and an electromagnet is sleeved on the outer wall of the support rod, and the electromagnet is electrically connected to the energized coil. When the electromagnet is energized, the magnet block 1 moves, a slide groove is provided on the side wall of the support rod, and a slider matching the slide groove is provided on the inner wall of the support ring, and a spring is provided on the outer wall of the slider, and the spring is used to drive the support ring to reset.

[0011] Furthermore, the guide assembly includes a second guide ring, the spray head is slidably disposed in the second guide ring, the spray head is connected to the infusion tube, the spray head is connected to the toggle rod, and the toggle rod moves synchronously with the support rod.

[0012] Furthermore, a smoke inlet and a smoke outlet are provided on the tower body, a filter plate is provided inside the tower body, and the filter plate filters the smoke entering the washing area. A sensor is provided inside the tower body, and the concentration, flow rate and temperature of the smoke are detected by the sensor, and the detected data is transmitted to the control module. The control module performs calculations based on the detected data, and outputs control instructions based on the calculation results, controls the angle adjustment between the first adjustment plate and the second adjustment plate, and controls the adjustment of the smoke shield.

[0013] Furthermore, the process of controlling the angle adjustment between the first adjustment plate and the second adjustment plate is as follows:

[0014] Set the smoke density threshold , detect the current smoke density in the scrubbing area ,

[0015] when When the position of the adjusting plate 1 is adjusted, the command for adjusting the position of the adjusting plate 1 is output, the angle between the adjusting plate 1 and the adjusting plate 2 becomes smaller, the volume of the blank area is reduced, and the volume of the washing area is increased;

[0016] when When , the command for adjusting the position of the adjusting plate 1 is output, the angle between the adjusting plate 1 and the adjusting plate 2 becomes larger, the volume of the blank area is reduced, and the volume of the washing area is increased.

[0017] Furthermore, the process of controlling the adjustment of the smoke shield is as follows:

[0018] Detect the current flue gas flow rate , set the flue gas velocity threshold to ;

[0019] when When the smoke shield is in the state of being blocked, the command for adjusting the smoke shield is output, the position of the support ring is moved, and the angle of the smoke shield is reduced;

[0020] when When the smoke shield is in the state of being moved, the command for adjusting the smoke shield is output, the position of the support ring is moved, and the angle of the smoke shield is increased.

[0021] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0022] The present invention can adjust the size of the washing area according to the smoke density, so that when the smoke intake is small, the area of ​​the smoke flow region is reduced, so that the smoke can be centrally washed by the spray head to ensure that the washing liquid is fully utilized and the smoke is fully washed; and according to the flow rate of the incoming smoke, the opening angle of the smoke shield is adjusted accordingly, so as to control the speed of the smoke passing through the washing area, adjust the time for the smoke to be washed, and ensure that the smoke is fully washed.

[0023] The present invention automatically adjusts the positions of the smoke shield and the spray head through the repulsive force generated between two adjacent magnet blocks 2, so that a plurality of smoke shields can be automatically distributed equidistantly, thereby enabling the washing area to be fully covered, and the washing liquid sprayed by the spray head can be sprayed in the washing area to fully wash the smoke. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the tower body of the present invention;

[0026] Figure 2 It is a schematic diagram of the main cross section of the tower body of the present invention;

[0027] Figure 3 It is a schematic diagram of the internal structure of the tower body of the present invention;

[0028] Figure 4 It is a schematic diagram of the distribution of the blank area and the washing area of ​​the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the adjustment plate 1 and the adjustment plate 2 of the present invention;

[0030] Figure 6 It is a schematic structural diagram of the adjustment plate 1 and the adjustment plate 2 of the present invention at another angle;

[0031] Figure 7 It is a structural schematic diagram of the smoke barrier canopy of the present invention;

[0032] Figure 8 It is a structural schematic diagram of the smoke barrier canopy of the present invention from another angle;

[0033] Fig. 9 It is a side cross-sectional schematic diagram of the smoke barrier canopy of the present invention;

[0034] Fig.10 It is a top view distribution diagram of the second magnet block of the present invention;

[0035] In the figure: 1. tower body; 2. adjustment plate 1; 3. adjustment plate 2; 4. washing area; 5. blank area; 6. adjustment assembly; 61. adjustment ring; 62. ring rack; 63. gear; 64. drive motor; 7. support rod; 8. smoke shield; 81. canopy top; 82. connecting rod 1; 83. connecting rod 2; 84. support ring; 85. smoke flow hole; 86. magnet block 2; 87. guide ring 1; 9. control assembly; 91. magnet block 1; 92. electromagnet; 93. slide; 94. slide block; 95. spring 1; 10. sprinkler head; 11. guide assembly; 110. guide ring 2; 111. toggle rod; 12. central axis; 13. shielding cloth; 14. smoke exhaust inlet; 15. smoke exhaust outlet; 16. filter plate;

[0036] Instructions attached Fig.10 The S in the figure represents the S pole of the second magnet block. Fig.10 The N in represents the N pole of magnet block 2. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1-Figure 10 The present invention provides a technical solution: a flue gas circulation spray washing device, comprising a tower body 1, wherein an adjusting plate 1 2 and an adjusting plate 2 3 are arranged inside the tower body 1, wherein the adjusting plate 1 2 and the adjusting plate 2 3 divide the inside of the tower body 1 into a washing area 4 and a blank area 5, wherein an adjusting component 6 is arranged between the adjusting plate 1 2 and the adjusting plate 2 3, wherein the adjusting component 6 is used to adjust the distance between the adjusting plate 1 2 and the adjusting plate 2 3, and when the distance between the adjusting plate 1 2 and the adjusting plate 2 3 changes, the range of the washing area 4 and the blank area 5 changes; wherein a plurality of support rods 7 are arranged inside the washing area 4, wherein a smoke barrier 8 is arranged on the outer wall of the support rod 7, wherein the smoke barrier 8 is used to change the flow rate of the flue gas, wherein a control component 9 is arranged on the support rod 7, wherein the control component 9 is used to control the smoke barrier 8 to be opened or closed; wherein a spray head 10 is arranged inside the tower body 1, wherein the spray head 10 is arranged on a guide component 11, and wherein the spray head 10 sprays washing liquid into the washing area 4.

[0039] The adjusting plate 1 2 and the adjusting plate 2 3 are both arranged on the outer wall of the central axis 12, the adjusting plate 1 2 is fixedly connected to the central axis 12, the adjusting plate 2 3 is rotatably connected to the central axis 12, the side walls of the adjusting plate 1 2 and the adjusting plate 2 3 are both in contact with the inner wall of the tower body 1, a blank area 5 and a washing area 4 are formed between the adjusting plate 1 2 and the adjusting plate 2 3, a shielding cloth 13 is provided in the blank area 5, the shielding cloth 13 is arranged at both end portions of the adjusting plate 1 2 and the adjusting plate 2 3, the shielding cloth 13 is sealed between the adjusting plate 1 2 and the adjusting plate 2 3, and the smoke passes through the washing area 4; the adjusting component 6 includes an adjusting ring 61, the adjusting ring 61 is fixedly connected to the adjusting plate 2 3, an annular rack 62 is provided on the side wall of the adjusting ring 61, the annular rack 62 is meshed with a gear 63, and the annular rack 62 is sleeved on the outer wall of the output shaft of the driving motor 64; wherein, the shielding cloth 13 is in a retractable folding shape.

[0040] The adjustment process of the adjustment plate 1 2 and the adjustment plate 2 3 is as follows: start the drive motor 64 so that the output shaft of the drive motor 64 drives the gear 63 to rotate. At this time, the gear 63 will drive the meshing annular rack 62 to rotate, and the annular rack 62 will drive the adjustment plate 1 2 to move, so that the adjustment plate 1 2 makes a circular motion around the central axis 12. As the angle between the adjustment plate 1 2 and the adjustment plate 2 3 changes, the corresponding blank area 5 and the washing area 4 will also change accordingly, thereby achieving the purpose of adjusting the spatial range of the washing area 4. During the adjustment process, the shielding cloth 13 will open or merge according to the adjustment angle, but the shielding plate and the adjustment plate 1 2 and the adjustment plate 2 3 are sealed to ensure that the blank area 5 is a sealed space.

[0041] The smoke barrier tent 8 includes a tent roof 81, a connecting rod 1 82 and a connecting rod 2 83. The tent roof 81 is umbrella-shaped. The connecting rod 1 82 is connected to the tent roof 81. The connecting rod 1 82 is used to support the tent roof 81. One end of the connecting rod 1 82 is hinged to the support rod 7, and the other end of the connecting rod 1 82 is hinged to the connecting rod 2 83. The outer wall of the support rod 7 is provided with a supporting ring 84 in a sliding connection. One end of the connecting rod 2 83 is hinged to the supporting ring 84. When the connecting rod 2 83 moves, the angle of the connecting rod 1 82 is changed to control the opening or closing of the tent roof 81. The tent roof 81 is staggered and is provided with a plurality of smoke flow holes 85. When the canopy 81 is opened, the smoke passes through the smoke flow hole 85. The canopy 81 is provided with an adjustment unit, and the adjustment unit is used to automatically adjust the distance between two adjacent canopies 81; specifically, when it is necessary to adjust the opening angle of the canopy 81, the support ring 84 can be controlled to move, and the support ring 84 will drive one end of the connecting rod 83 to move. Since the other end of the connecting rod 83 is hinged to the connecting rod 1 82, it will drive the connecting rod 1 82 to rotate, and the connecting rod 1 82 will drive the canopy 81 to open or close, changing the shielding range of the canopy 81. The smoke passes through the smoke flow hole 85 in the canopy 81, which can increase the time for the smoke to flow in the washing area 4.

[0042] The adjustment unit includes a second magnet block 86, and the second magnet block 86 is arranged at the end of the support rod 7. The adjacent surfaces of two adjacent magnet blocks 86 have the same magnetic properties. The end of the support rod 7 extends to a guide ring 87, and the guide ring 87 is fixedly connected to the tower body 1 through a fixing rod. The support rod 7 performs a circular motion along the guide ring 87.

[0043] The process of the adjustment unit automatically adjusting the position of the canopy 81 is as follows: when the adjustment plate 23 is adjusted, it will push the canopy 81 in contact with it to move, and at this time the equidistant distribution of the canopy 81 in the initial state will be changed. Since a magnet block 286 is arranged on the top of the support rod 7, and the magnetism of the adjacent sides of two adjacent magnet blocks 286 is the same, a repulsive force will be generated between the two adjacent magnet blocks 286. Since the magnetic force of several magnet blocks 286 is the same, under the action of magnetic repulsion, the magnet block 286 will drive the support rod 7 to move and ensure that the magnet block 286 is located in a balanced position in the magnetic field, so that the support rod 7 can drive the canopy 81 to move, so as to ensure that the distance between the two adjacent canopies 81 is the same, thereby achieving the purpose of automatically adjusting the position of the canopy 81.

[0044] The control assembly 9 includes a magnet block 91, and the magnet block 91 is fixedly connected to the support ring 84. The outer wall of the support rod 7 is sleeved with an electromagnet 92, and the electromagnet 92 is electrically connected to the energized coil. When the electromagnet 92 is energized, the magnet block 91 moves, and a slide groove 93 is provided on the side wall of the support rod 7. A slider 94 matching the slide groove 93 is provided on the inner wall of the support ring 84, and a spring 95 is provided on the outer wall of the slider 94. The spring 95 is used to drive the support ring 84 to reset. Specifically, when the space of the washing area 4 is changed, it is necessary to readjust the opening angle of the canopy 81, and the electromagnet 92 can be energized. After energization, the electromagnet 92 generates a magnetic field. According to actual usage, the magnetism of the electromagnet 92 and the adjacent side of the magnet block 91 can be made the same. At this time, The electromagnet 92 will push the magnet block 91 to move, or the adjacent side of the electromagnet 92 and the magnet block 91 have opposite magnetic properties, in which case the electromagnet 92 will attract the magnet block 91 to move. In a preferred embodiment, after power is turned on, the electromagnet 92 and the adjacent side of the magnet block 91 have the same magnetic properties, so as to push the magnet block 91 to move. The magnet block 91 will push the support ring 84 to move, and the support ring 84 will control the opening of the canopy 81 to increase the coverage area of ​​the canopy 81. Since the two adjacent canopies 81 are staggered, when they are opened to the maximum, the washing area 4 can be covered as comprehensively as possible. When the electromagnet is powered off, under the action of the rebound force of the spring 95, the support ring 84 will move to the initial position to reduce the angle of the canopy 81, thereby achieving the purpose of adjusting the opening angle of the canopy 81.

[0045] The guide assembly 11 includes a second guide ring 110, the spray head 10 is slidably arranged in the second guide ring 110, the spray head 10 is connected to the infusion tube, the spray head 10 is connected to the toggle rod 111, and the toggle rod 111 moves synchronously with the support rod 7; specifically, when the position of the roof 81 is changed, it will drive the support rod 7 to move, and at the same time the support rod 7 will drive the toggle rod 111 to move synchronously, and the toggle rod 111 will drive the spray head 10 to move, thereby changing the position of the spray head 10, so that the spray head 10 sprays washing liquid into the washing area 4.

[0046] The tower body 1 is provided with a smoke exhaust inlet 14 and a smoke exhaust outlet 15. A filter plate 16 is provided inside the tower body 1. The filter plate 16 filters the smoke entering the washing area 4. A sensor is provided inside the tower body 1. The sensor is used to detect the concentration, flow rate and temperature of the smoke, and the detected data is transmitted to the control module. The control module performs calculations based on the detected data and outputs control instructions based on the calculation results to control the angle adjustment between the adjustment plate 1 2 and the adjustment plate 2 3, as well as the adjustment of the smoke shield 8.

[0047] The process of controlling the angle adjustment between the adjustment plate 1 2 and the adjustment plate 2 3 is as follows:

[0048] Set the smoke density threshold , detect the current flue gas density in scrubbing zone 4 ,

[0049] when When the position of the adjusting plate 1 2 is adjusted, the command for adjusting the position of the adjusting plate 1 2 is output, the angle between the adjusting plate 1 2 and the adjusting plate 2 3 becomes smaller, the volume of the blank area 5 is reduced, and the volume of the washing area 4 is increased;

[0050] when When the position of the adjusting plate 1 2 is adjusted, the instruction for adjusting the position of the adjusting plate 1 2 is output, the angle between the adjusting plate 1 2 and the adjusting plate 2 3 becomes larger, the volume of the blank area 5 is reduced, and the volume of the washing area 4 is increased.

[0051] Specifically, if the test result is , obtain the flow rate of the flue gas. When the current flue gas flow rate remains unchanged, it is necessary to change the spatial range of the scrubbing zone 4 to change the density of the flue gas. At this time, obtain the current volume V1 of the scrubbing zone 4 and the density of the flue gas in the scrubbing zone 4. , and the flue gas flow rate, establish a simulation model, simulate the current environmental state, continuously change the volume of the scrubbing zone 4, and obtain a new flue gas density until the new flue gas density is equal to the threshold Similarly, the volume of the washing area 4 corresponding to this time is output, and the central angle of the current washing area 4 is calculated according to the volume formula Since the total center angle of the washing area 4 and the blank area 5 is 360, the center angle of the blank area 5 can be obtained as , and then calculate the center angle of the initial blank area 5 , the difference between the center angle of the new blank area 5 and the center angle of the initial blank area 5 can be obtained, and the angle between the adjustment plate 1 2 and the adjustment plate 2 3 can be adjusted according to the difference, so that the center angle of the blank area 5 is .

[0052] The process of controlling the adjustment of the smoke shield 8 is as follows:

[0053] Detect the current flue gas flow rate , set the flue gas velocity threshold to ;

[0054] when When the smoke shield 8 is adjusted, the command is output to move the position of the support ring 84 to reduce the angle of the smoke shield 8;

[0055] when When the smoke shield 8 is adjusted, the command for adjusting the smoke shield 8 is output, the position of the support ring 84 is moved, and the angle of the smoke shield 8 is increased.

[0056] The process of calculating the opening angle of the smoke shield 8 is as follows:

[0057] Collect the opening angle of smoke shield 8 , forming a set , and the corresponding airflow velocity, forming a set , use the data in the above set as the historical database, use the angle of the smoke shield 8 as the training set, and use the airflow velocity as the output set to form a training model. When the airflow velocity reaches the set threshold, output the angle value of the smoke shield 8 corresponding to the airflow velocity. According to the trigonometric function, calculate the angle between the connecting rod 1 82 and the connecting rod 2 83 to obtain the coordinate position of the connecting rod 2 83. Compared with the initial coordinate position of the connecting rod 2 83, the current displacement distance of the connecting rod 2 83 can be calculated, and the electromagnet is energized. According to the relationship between the magnetic field strength and the distance, the relationship between the magnetic field strength of the electromagnet and the distance moved by the magnet block 1 91 is calculated, and then the size of the current introduced can be calculated to control the moving distance of the connecting rod 2 83, so that the opening angle of the roof 81 can be adjusted.

[0058] The working principle of the present invention is as follows: the smoke to be treated is introduced into the tower body, and the smoke flows upward. At this time, the washing liquid is sprayed in the washing area by the spray head to wash the smoke. When the flow rate of the smoke decreases and the smoke introduced into the tower body decreases, the smoke density in the washing area will also decrease. At this time, the area of ​​the washing area can be adjusted to reduce the volume of the washing area, so that the smoke density in the washing area reaches a set threshold value. In this way, the washing liquid can fully wash the smoke without changing the spraying amount of the washing liquid. When the flow rate of the smoke increases and the smoke introduced into the tower body increases, the area of ​​the washing area can be increased by the operation opposite to the above, so that the smoke density in the washing area remains stable. At the same time, the smoke barrier can be controlled to open. When the smoke passes through the washing area, it contacts the smoke barrier and increases the time for the smoke to flow in the washing area, so that the washing liquid can fully wash the smoke, avoiding incomplete smoke treatment caused by excessive smoke flow rate. In addition, the speed of the smoke passing through the washing area can be controlled by controlling the opening angle of the smoke barrier, so as to facilitate full washing of the smoke.

[0059] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flue gas circulation spray scrubbing device, comprising a tower body (1), characterized in that: An adjusting plate 1 (2) and an adjusting plate 2 (3) are provided inside the tower body (1), the adjusting plate 1 (2) and the adjusting plate 2 (3) dividing the inside of the tower body (1) into a washing area (4) and a blank area (5), an adjusting component (6) is provided between the adjusting plate 1 (2) and the adjusting plate 2 (3), the adjusting component (6) is used to adjust the distance between the adjusting plate 1 (2) and the adjusting plate 2 (3), when the distance between the adjusting plate 1 (2) and the adjusting plate 2 (3) changes, the range of the washing area (4) and the blank area (5) changes; A plurality of support rods (7) are provided in the washing area (4); a smoke barrier (8) is provided on the outer wall of the support rod (7); the smoke barrier (8) is used to change the flow rate of smoke; a control component (9) is provided on the support rod (7); the control component (9) is used to control the opening or closing of the smoke barrier (8); A spray head (10) is provided inside the tower body (1), the spray head (10) being arranged on a guide assembly (11), and the spray head (10) sprays washing liquid into the washing area (4); The smoke barrier canopy (8) comprises a canopy top (81), a first connecting rod (82) and a second connecting rod (83); the canopy top (81) is in an umbrella shape; the first connecting rod (82) is connected to the canopy top (81); the first connecting rod (82) is used to support the canopy top (81); one end of the first connecting rod (82) is hinged to the support rod (7); the other end of the first connecting rod (82) is hinged to the second connecting rod (83); the outer wall of the support rod (7) is provided with a support ring (84) for sliding connection; the second connecting rod (83) is hinged to the support rod (7); One end of the connecting rod (83) is hinged to the supporting ring (84); when the second connecting rod (83) moves, the angle of the first connecting rod (82) is changed to control the opening or closing of the canopy (81); the canopy (81) is staggered and a plurality of smoke flow holes (85) are provided on the canopy (81); when the canopy (81) is opened, smoke passes through the smoke flow holes (85); an adjustment unit is provided on the canopy (81); the adjustment unit is used to automatically adjust the distance between two adjacent canopies (81).

2. A flue gas circulation spray-type scrubbing device according to claim 1, characterized in that: The adjustment plate 1 (2) and the adjustment plate 2 (3) are both arranged on the outer wall of the central shaft (12); the adjustment plate 1 (2) is fixedly connected to the central shaft (12); the adjustment plate 2 (3) is rotatably connected to the central shaft (12); the side walls of the adjustment plate 1 (2) and the adjustment plate 2 (3) are both in contact with the inner wall of the tower body (1); a blank area (5) and a washing area (4) are formed between the adjustment plate 1 (2) and the adjustment plate 2 (3); a shielding cloth (13) is provided in the blank area (5); the shielding cloth (13) is arranged at both end portions of the adjustment plate 1 (2) and the adjustment plate 2 (3); the shielding cloth (13) is sealed between the adjustment plate 1 (2) and the adjustment plate 2 (3); and smoke passes through the washing area (4).

3. The flue gas circulation spray scrubbing device according to claim 1, characterized in that: The adjustment assembly (6) comprises an adjustment ring (61), the adjustment ring (61) being fixedly connected to the second adjustment plate (3), an annular rack (62) being provided on a side wall of the adjustment ring (61), the annular rack (62) being meshed with a gear (63), and the annular rack (62) being sleeved on an outer wall of an output shaft of a drive motor (64).

4. The flue gas circulation spray scrubbing device according to claim 1, characterized in that: The adjustment unit comprises a second magnet block (86), wherein the second magnet block (86) is arranged at the end of the support rod (7), and adjacent surfaces of two adjacent second magnet blocks (86) have the same magnetic properties. The end of the support rod (7) extends to a first guide ring (87), and the first guide ring (87) is fixedly connected to the tower body (1) via a fixing rod. The support rod (7) performs a circular motion along the first guide ring (87).

5. The flue gas circulation spray scrubbing device according to claim 1, characterized in that: The control component (9) comprises a magnet block (91), wherein the magnet block (91) is fixedly connected to the support ring (84); an electromagnet (92) is sleeved on the outer wall of the support rod (7); the electromagnet (92) is electrically connected to the energized coil; when the electromagnet (92) is energized, the magnet block (91) moves; a slide groove (93) is provided on the side wall of the support rod (7); a slider (94) matching the slide groove (93) is provided on the inner wall of the support ring (84); a spring (95) is provided on the outer wall of the slider (94); the spring (95) is used to drive the support ring (84) to reset.

6. The flue gas circulation spray scrubbing device according to claim 1, characterized in that: The guide assembly (11) comprises a second guide ring (110), the spray head (10) is slidably disposed in the second guide ring (110), the spray head (10) is connected to an infusion tube, the spray head (10) is connected to a toggle rod (111), and the toggle rod (111) moves synchronously with the support rod (7).

7. The flue gas circulation spray scrubbing device according to claim 1, characterized in that: The tower body (1) is provided with a smoke exhaust inlet (14) and a smoke exhaust outlet (15). A filter plate (16) is provided inside the tower body (1). The filter plate (16) filters the smoke entering the washing area (4). A sensor is provided inside the tower body (1). The sensor is used to detect the concentration, flow rate and temperature of the smoke, and the detected data is transmitted to a control module. The control module performs calculations based on the detected data and outputs control instructions based on the calculation results to control the angle adjustment between the first adjustment plate (2) and the second adjustment plate (3), and to control the adjustment of the smoke shield (8).

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