A high-temperature waste gas treatment device for acid-alkali waste gas mixed with water vapor

Abstract

This invention relates to the field of waste gas treatment technology, specifically to a high-temperature waste gas treatment device for a mixture of acidic and alkaline waste gas and water vapor. The device includes a treatment tower and further comprises: two first hollow plates, fixed to the front and rear sides of a hollow column respectively; a first control component located within the two first hollow plates; two second hollow plates, fixed to the left and right sides of the hollow column respectively; and a second control component located within the two second hollow plates and capable of left and right movement. This invention uses two first hollow plates and two second hollow plates within the treatment tower to divide the interior into a first treatment chamber, a second treatment chamber, a third treatment chamber, and a fourth treatment chamber. By controlling the communication state between the four chambers, the flow path of the waste gas can be adjusted, enabling the treatment tower to effectively treat waste gas in three different temperature ranges: high temperature, medium temperature, and low temperature, significantly improving the efficiency and effectiveness of waste gas treatment.

Description

Technical Field

[0001] This invention relates to the field of waste gas treatment technology, specifically a high-temperature waste gas treatment device for acid-base waste gas mixed with water vapor. Background Technology

[0002] Currently, the common practice for treating high-temperature waste gas is to use sprayed acid (dilute sulfuric acid) or alkaline solution (sodium hydroxide solution) to absorb the waste gas. However, since the high temperature of the waste gas affects the absorption effect, it is necessary to cool the high-temperature waste gas first.

[0003] In existing technologies, liquid film cooling technology is commonly used. The absorbent (tap water) is introduced to the top of the treatment tower and evenly distributed across the tower's cross-section using a distributor, forming a continuous liquid film. High-temperature waste gas is introduced from the bottom of the tower and flows upwards through the liquid film. Due to the flow of the absorbent, there is a large contact area and a long contact time between the high-temperature waste gas and the absorbent, effectively reducing the waste gas temperature. The cooled waste gas then enters a subsequent spray tower for acid or alkali washing, resulting in even better absorption.

[0004] In practical use, it was found that the waste gas enters from the bottom of the tower and exits from the top, with a fixed flow path within the tower. This makes it impossible to adaptively adjust the flow path based on the temperature difference of the waste gas. For example, when the waste gas temperature is too high, a short flow path within the tower results in limited contact time between the waste gas and the absorbent, making effective cooling difficult. Conversely, when the waste gas temperature is low, a longer flow path within the tower, while effectively cooling the waste gas, reduces treatment efficiency. Therefore, we propose a high-temperature waste gas treatment device that mixes acidic and alkaline waste gas with water vapor to effectively address these shortcomings. Summary of the Invention

[0005] The purpose of this invention is to provide a high-temperature waste gas treatment device for acid-base waste gas mixed with water vapor, which solves the problem mentioned in the background art that the flow path of waste gas in the treatment tower remains unchanged and cannot be adaptively adjusted according to the temperature difference of the waste gas.

[0006] This invention is achieved through the following technical solution: a high-temperature waste gas treatment device for acid-base waste gas mixed with water vapor, comprising a treatment tower, and further comprising:

[0007] A hollow column, which is fixed inside the processing tower and arranged along the axis of the processing tower;

[0008] Two first hollow plates are fixed to the front and rear sides of the hollow column respectively, and several first vents are penetrated through each first hollow plate;

[0009] A first control element, which is located within two first hollow plates and can move back and forth to open or close each first vent.

[0010] Two second hollow plates are fixed to the left and right sides of the hollow column, respectively, and several second vents are passed through each second hollow plate; each first hollow plate and each second hollow plate cooperate to divide the processing tower into a first processing chamber, a second processing chamber, a third processing chamber and a fourth processing chamber; spray cooling components are installed in the upper space of each of the first, second, third and fourth processing chambers; the first, second, third and fourth processing chambers are sequentially connected to each other through external pipelines;

[0011] The second control element is located within the two second hollow plates and can move left and right to open or close each of the second vents.

[0012] Optionally, an air inlet pipe communicating with the lower space of the first processing chamber is fixed on the processing tower, and an exhaust pipe communicating with the upper space of the fourth processing chamber is fixed on the processing tower.

[0013] A first air guide pipe is fixed on the processing tower to communicate between the upper space of the first processing chamber and the lower space of the second processing chamber. A second air guide pipe is fixed on the processing tower to communicate between the upper space of the second processing chamber and the lower space of the third processing chamber. A third air guide pipe is fixed on the processing tower to communicate between the upper space of the third processing chamber and the lower space of the fourth processing chamber.

[0014] Valves are installed on the first, second, and third air guide pipes respectively.

[0015] Optionally, the first control component includes a first control plate movably disposed within each of the first hollow plates, a plurality of first connecting rods fixedly connected between two first control plates, and a first air guide port adapted to the first air vent on each of the first control plates.

[0016] Optionally, the second control component includes a second control plate movably disposed within each of the second hollow plates, a plurality of second connecting rods fixedly connected between the two second control plates, the second connecting rods being staggered vertically with each of the first connecting rods, and a second air guide port adapted to the second air vent being opened on each of the second control plates.

[0017] Optionally, a first moving component is installed on the side wall of the processing tower to move the first control element back and forth.

[0018] Optionally, a second moving component is installed on the side wall of the processing tower to move the second control element left and right.

[0019] Optionally, the spray cooling assembly includes several arc-shaped spray pipes distributed radially along the treatment tower. The two ends of each arc-shaped spray pipe are fixed to a first hollow plate and a second hollow plate that are close to each other, respectively. Several spray holes are evenly distributed at the bottom of each arc-shaped spray pipe. A water supply pipe is connected to each arc-shaped spray pipe, and the water supply pipe is connected to an external water source.

[0020] Optionally, the center of each arc-shaped spray pipe is located on the axis of the hollow column, and an arc-shaped adjusting pipe is movably sleeved on each arc-shaped spray pipe. An adjusting hole corresponding to the spray hole is opened at the bottom of each arc-shaped adjusting pipe. A rotating component is installed in the treatment tower to make each arc-shaped adjusting pipe rotate synchronously along the axis of the hollow column.

[0021] When the first processing chamber, the second processing chamber, the third processing chamber, and the fourth processing chamber are independent of each other, the spray holes are fully open;

[0022] When the first processing chamber is directly connected to the second processing chamber, and the third processing chamber is directly connected to the fourth processing chamber, the spray hole is opened halfway.

[0023] When the first processing chamber, the second processing chamber, the third processing chamber, and the fourth processing chamber are directly interconnected, the spray nozzles are opened one-quarter of the way.

[0024] Optionally, the rotating assembly includes a rotating shaft rotatably connected inside the hollow column, a rotating plug fixed at the upper end of the rotating shaft that fits against the inner surface of the hollow column, a linkage plate fixed on the outer surface of the rotating plug that is fixed to each arc-shaped adjusting tube, and a clearance opening on the hollow column for the linkage plate to pass through.

[0025] Optionally, a gear is fixed to the lower end of the rotating shaft, a first rack that meshes with the gear is fixed to the first control component, and a second rack that meshes with the gear is fixed to the second control component.

[0026] Compared with the prior art, the present invention provides a high-temperature waste gas treatment device for acid-base waste gas mixed with water vapor, which has the following beneficial effects:

[0027] 1. The present invention provides two first hollow plates and two second hollow plates inside the treatment tower to divide the interior of the treatment tower into a first treatment chamber, a second treatment chamber, a third treatment chamber and a fourth treatment chamber; by controlling the communication state between the four chambers, the flow path of the exhaust gas can be adjusted, thereby enabling the treatment tower to effectively treat exhaust gas in three different temperature ranges: high temperature, medium temperature and low temperature, significantly improving the efficiency and effect of exhaust gas treatment.

[0028] 2. This invention incorporates an arc-shaped adjusting pipe fitted onto an arc-shaped spray pipe. By adjusting the position of the arc-shaped adjusting pipe, the size of the spray holes on the arc-shaped spray pipe can be adjusted. When treating high-temperature waste gas, the spray holes are fully open, forming a maximized flow cross-section, ensuring sufficient contact between the absorbent and the high-temperature waste gas, achieving efficient cooling. When treating medium-temperature waste gas, the spray holes are opened halfway. At this point, the absorbent exchanges heat with the medium-temperature waste gas at a moderate flow rate and with a suitable atomization effect, ensuring both treatment effectiveness and avoiding resource waste. When treating low-temperature waste gas, the spray holes are opened one-quarter of the way, and the absorbent is sprayed out as fine droplets at a faster speed, increasing the contact area with the low-temperature waste gas and meeting the cooling requirements. Attached Figure Description

[0029] Figure 1 This is a perspective view of the present invention;

[0030] Figure 2 This is a schematic diagram of the hollow column in this invention;

[0031] Figure 3 This is an internal diagram of the present invention;

[0032] Figure 4 This is a schematic diagram of the first hollow plate of the present invention;

[0033] Figure 5 This is a schematic diagram of the first control element of the present invention;

[0034] Figure 6 for Figure 5 Enlarged view of point A in the middle;

[0035] Figure 7 This is a schematic diagram of the rotating component of the present invention;

[0036] Figure 8 for Figure 7 Enlarged diagram of point B in the middle.

[0037] In the diagram: 1. Processing tower; 2. Hollow column; 3. First hollow plate; 4. First vent; 5. First control component; 501. First control board; 502. First connecting rod; 503. First air guide port; 6. Second hollow plate; 7. Second vent; 8. First processing chamber; 9. Second processing chamber; 10. Third processing chamber; 11. Fourth processing chamber; 12. Spray cooling assembly; 121. Arc-shaped spray pipe; 122. Spray hole; 13. Second control component; 131. Second control board ; 132. Second connecting rod; 133. Second air inlet; 14. Air inlet pipe; 15. Exhaust pipe; 16. First air inlet pipe; 17. Second air inlet pipe; 18. Third air inlet pipe; 19. Valve; 20. First moving assembly; 21. Second moving assembly; 22. Arc-shaped adjusting pipe; 23. Adjusting hole; 24. Rotating assembly; 241. Rotating shaft; 242. Rotating plug; 243. Linkage plate; 25. Clearance port; 26. Gear; 27. First rack; 28. Second rack. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Please see Figures 1 to 8 A high-temperature waste gas treatment device for acid-base waste gas mixed with water vapor includes a treatment tower 1 for cooling the high-temperature waste gas. This embodiment also includes: a hollow column 2, two first hollow plates 3, a first control component 5, two second hollow plates 6, and a second control component 13, to address the problem in the prior art where the flow path of the waste gas within the treatment tower remains unchanged, making it impossible to adaptively adjust the waste gas flow path according to the temperature difference of the waste gas.

[0040] Specifically, the hollow column 2 is fixed inside the treatment tower 1 and arranged along the axis of the treatment tower 1; two first hollow plates 3 are respectively fixed to the front and rear sides of the hollow column 2, and the edges of the first hollow plates 3 away from the hollow column 2 are fixed to the inner wall of the treatment tower 1. Several first vents 4 are penetrating through each first hollow plate 3, and when the first vents 4 are open, the exhaust gas can pass through normally. The first control component 5 is located inside the two first hollow plates 3 and can move back and forth to open or close each first vent 4.

[0041] Two second hollow plates 6 are fixed to the left and right sides of the hollow column 2, respectively, with the edges of the second hollow plates 6 away from the hollow column 2 fixed to the treatment tower 1. Several second vents 7 are threaded through each second hollow plate 6, allowing exhaust gas to pass through normally when the vents 7 are open. The first hollow plates 3 and the second hollow plates 6 cooperate to divide the treatment tower 1 into a first treatment chamber 8, a second treatment chamber 9, a third treatment chamber 10, and a fourth treatment chamber 11. Spray cooling components 12 are installed in the upper spaces of each of the first treatment chamber 8, second treatment chamber 9, third treatment chamber 10, and fourth treatment chamber 11 to spray absorbent into each treatment chamber, thereby cooling the exhaust gas. A second control component 13 is located within the two second hollow plates 6 and can move left and right to open or close each second vent 7.

[0042] It should be added that the first processing chamber 8, the second processing chamber 9, the third processing chamber 10, and the fourth processing chamber 11 are sequentially interconnected via external pipelines. Specifically, an air inlet pipe 14 communicating with the lower space of the first processing chamber 8 is fixed on the processing tower 1, and external exhaust gas enters the first processing chamber 8 from below through the air inlet pipe 14. An exhaust pipe 15 communicating with the upper space of the fourth processing chamber 11 is fixed on the processing tower 1, and the cooled exhaust gas is discharged from above through the exhaust pipe 15.

[0043] A first air guide pipe 16 is fixed to the processing tower 1, connecting the upper space of the first processing chamber 8 with the lower space of the second processing chamber 9. Waste gas from the first processing chamber 8 can enter the lower part of the second processing chamber 9 via the first air guide pipe 16. A second air guide pipe 17 is fixed to the processing tower 1, connecting the upper space of the second processing chamber 9 with the lower space of the third processing chamber 10. Waste gas from the second processing chamber 9 can enter the lower part of the third processing chamber 10 via the second air guide pipe 17. A third air guide pipe 18 is fixed to the processing tower 1, connecting the upper space of the third processing chamber 10 with the lower space of the fourth processing chamber 11. Waste gas from the third processing chamber 10 can enter the lower part of the fourth processing chamber 11 via the third air guide pipe 18. Valves 19 are installed on the first air guide pipe 16, the second air guide pipe 17, and the third air guide pipe 18, respectively, for controlling the opening and closing of each air guide pipe.

[0044] Using the above structure, the exhaust gas can be cooled in the following three states:

[0045] State 1: When treating high-temperature exhaust gas (exhaust gas temperature above 300℃), the first control element 5 closes the first vent 4, and the second control element 13 closes the second vent 7. At this time, the first treatment chamber 8, the second treatment chamber 9, the third treatment chamber 10, and the fourth treatment chamber 11 are independent of each other, and are sequentially connected through various air guide pipes, resulting in the longest exhaust gas flow path.

[0046] In this state, the high-temperature exhaust gas first enters the first treatment chamber 8 through the inlet pipe 14, then flows upward and is cooled for the first time by the corresponding spray cooling components 12. The cooled exhaust gas then enters the second treatment chamber 9 through the first guide pipe 16, then flows upward and is cooled for the second time by the corresponding spray cooling components 12. The cooled exhaust gas then enters the third treatment chamber 10 through the second guide pipe 17, then flows upward and is cooled for the third time by the corresponding spray cooling components 12. The cooled exhaust gas then enters the fourth treatment chamber 11 through the third guide pipe 18, then flows upward and is cooled for the fourth time by the corresponding spray cooling components 12. Finally, the exhaust gas is discharged through the exhaust pipe 15. This long-flow exhaust gas design, combined with four spray cooling operations, ensures sufficient contact between the exhaust gas and the absorbent, maximizing the absorption of heat from the exhaust gas and achieving efficient cooling.

[0047] State 2: When treating medium-temperature exhaust gas (exhaust gas temperature between 150-300℃), the first control element 5 moves backward to open the first vent 4 while keeping the second vent 7 closed. Then, the valves 19 on the first vent pipe 16 and the third vent pipe 18 are closed. At this time, the first treatment chamber 8 and the second treatment chamber 9 are interconnected through the first vent 4, and the third treatment chamber 10 and the fourth treatment chamber 11 are interconnected through the first vent 4, resulting in a suitable exhaust gas flow path.

[0048] In this state, the exhaust gas first enters the cavity formed by the first processing chamber 8 and the second processing chamber 9 through the inlet pipe 14, then flows upward and undergoes a first spray cooling through the two corresponding spray cooling components 12. The cooled exhaust gas then enters the cavity formed by the third processing chamber 10 and the fourth processing chamber 11 through the second guide pipe 17, then flows upward and undergoes a second spray cooling through the two corresponding spray cooling components 12. Finally, the exhaust gas is discharged through the exhaust pipe 15. This exhaust gas flow path is shorter than in state one, and the two spray cooling operations ensure sufficient heat exchange and improve exhaust gas treatment efficiency.

[0049] State 3: When treating low-temperature exhaust gas (exhaust gas temperature below 150℃), the first vent 4 remains open, while the second control element 13 moves to the right to open the second vent 7. Then, the valves 19 on the first vent pipe 16, the second vent pipe 17, and the third vent pipe 18 are closed. At this time, the first treatment chamber 8, the second treatment chamber 9, the third treatment chamber 10, and the fourth treatment chamber 11 are all interconnected, forming a single chamber, resulting in the shortest exhaust gas flow path.

[0050] In this state, the exhaust gas first enters the chamber through the inlet pipe 14, then flows upwards and is cooled by the four corresponding spray cooling components 12. Finally, the exhaust gas is discharged through the exhaust pipe 15. This process minimizes the exhaust gas flow path, significantly improving the exhaust gas treatment efficiency.

[0051] The first control element 5 is described below:

[0052] The first control component 5 includes a first control plate 501 movably disposed within each of the first hollow plates 3. A plurality of first connecting rods 502 are fixedly connected between two first control plates 501. Each first control plate 501 has a first air guide port 503 adapted to the first air vent 4. When the first air guide port 503 is completely misaligned with the first air vent 4, the first air vent 4 is in a closed state. When the first air guide port 503 is aligned with the first air vent 4, the first air vent 4 is in an open state. In this embodiment, a first moving assembly 20 is installed on the side wall of the processing tower 1 to move the first control component 5 back and forth. Specifically, the first moving assembly 20 includes an adjusting screw threadedly connected to the processing tower 1, one end of which is rotatably connected to the first control plate 501. When the adjusting screw is rotated, the two first control plates 501 can be moved synchronously backward or forward.

[0053] The second control element 13 is described below:

[0054] The second control component 13 includes a second control plate 131 movably disposed within each of the second hollow plates 6. A plurality of second connecting rods 132 are fixedly connected between the two second control plates 131. Each second connecting rod 132 is staggered vertically with each first connecting rod 502 to ensure that the first control plate 501 can move normally forward and backward, and to ensure that the second control plate 131 can move normally left and right without interfering with each other. Each second control plate 131 has a second air guide port 133 adapted to the second air vent 7. When the second air guide port 133 is aligned with the second air vent 7, the second air vent 7 is in an open state. When the second air guide port 133 is completely misaligned with the second air vent 7, the second air vent 7 is in a closed state. In this embodiment, a second moving assembly 21 is installed on the side wall of the processing tower 1 to move the second control component 13 left and right. The structure of the second moving assembly 21 is the same as that of the first moving assembly 20, and it uses the same principle to drive the second control plate 131 to move left and right.

[0055] The following is a description of the spray cooling component 12:

[0056] The spray cooling assembly 12 includes several arc-shaped spray pipes 121 distributed radially along the treatment tower 1. Each arc-shaped spray pipe 121 has its two ends fixed to a first hollow plate 3 and a second hollow plate 6 located close to each other. Several spray holes 122 are evenly distributed at the bottom of each arc-shaped spray pipe 121. A water supply pipe is connected to each arc-shaped spray pipe 121, and the water supply pipe is connected to an external water source, which consists of a water storage tank and a water pump. That is, the spray cooling assemblies 12 in each treatment chamber are interconnected. When the valve on the water supply pipe is opened, the water supply pipe can synchronously supply water to each arc-shaped spray pipe 121 in each spray cooling assembly 12. When the exhaust gas flows from bottom to top through the treatment chamber, an absorbent can be sprayed onto the exhaust gas, thereby reducing the temperature of the exhaust gas.

[0057] In some embodiments of this application, when treating exhaust gases at high, medium, and low temperatures, the exhaust gas flow paths become shorter in sequence, but the corresponding number of spray cycles also decreases. To ensure the effectiveness of spray cooling, the following design is implemented:

[0058] The center of each arc-shaped spray pipe 121 is located on the axis of the hollow column 2. An arc-shaped adjusting pipe 22 is movably sleeved on each arc-shaped spray pipe 121. An adjusting hole 23 corresponding to the spray hole 122 is opened at the bottom of each arc-shaped adjusting pipe 22. A rotating component 24 is provided in the treatment tower 1 to make each arc-shaped adjusting pipe 22 rotate synchronously along the axis of the hollow column 2.

[0059] When the first treatment chamber 8, the second treatment chamber 9, the third treatment chamber 10, and the fourth treatment chamber 11 are independent of each other, that is, when treating high-temperature waste gas, the spray hole 122 is fully open, which can form a maximum flow cross section, promote the absorbent to fully contact the high-temperature waste gas, and achieve efficient cooling.

[0060] When the first treatment chamber 8 is directly connected to the second treatment chamber 9, and the third treatment chamber 10 is directly connected to the fourth treatment chamber 11, that is, when treating the medium-temperature waste gas, the spray hole 122 is opened halfway. At this time, the absorbent exchanges heat with the medium-temperature waste gas at a moderate flow rate and a suitable atomization effect, which ensures the treatment effect and avoids waste of resources.

[0061] When the first processing chamber 8, the second processing chamber 9, the third processing chamber 10, and the fourth processing chamber are directly interconnected, that is, when treating low-temperature exhaust gas, the spray hole 122 is opened one-quarter open, and the absorbent is sprayed out in fine droplets at a faster speed, increasing the contact area with the low-temperature exhaust gas and meeting the cooling requirements.

[0062] Using the above structure, during the cooling process of exhaust gas:

[0063] In State 1, when treating high-temperature exhaust gas, the gas flow path is the longest, and the spray cooling is performed four times. During this process, the arc-shaped regulating pipe 22 is in its initial state, and the regulating hole 23 is fully aligned with the spray hole 122 so that the spray hole 122 is fully open. Under these conditions, the maximum flow cross-section can be formed, and four spray coolings can be performed, thus fully absorbing the heat in the high-temperature exhaust gas.

[0064] In State 2, when treating medium-temperature waste gas, the flow path of the waste gas is moderate, and the spray cooling is performed twice. During this process, the rotating component 24 drives the arc-shaped regulating pipe 22 to rotate counterclockwise by a certain angle, so that the regulating hole 23 is offset from the spray hole 122 to a certain extent, thereby opening the spray hole 122 by half, and the spraying speed is faster than in State 1. At this time, the absorbent exchanges heat with the medium-temperature waste gas at a moderate flow rate and with a suitable atomization effect, which ensures the treatment effect and avoids resource waste.

[0065] In state three, when treating low-temperature exhaust gas, the flow path of the exhaust gas is the shortest, and the spray cooling is performed only once. During this process, the rotating component 24 drives the arc-shaped regulating pipe 22 to continue rotating counterclockwise by a certain angle, so that the regulating hole 23 and the spray hole 122 are offset to the maximum extent, thereby opening the spray hole 122 by one-quarter and achieving the fastest spray speed. The smaller opening of the spray hole 122, combined with the rapid spray speed, enables the absorbent to be sprayed into the exhaust gas at a high frequency in the form of small droplets, which greatly increases the contact surface area between the absorbent and the exhaust gas. Even with fewer sprays, heat exchange can be carried out quickly and fully, rapidly reducing the temperature of the exhaust gas.

[0066] The following is a description of the rotating component 24:

[0067] The rotating assembly 24 includes a rotating shaft 241 rotatably connected inside the hollow column 2. A rotating plug 242, which fits against the inner surface of the hollow column 2, is fixed to the upper end of the rotating shaft 241, preventing exhaust gas from easily entering the hollow column 2. A linkage plate 243, fixed to each arc-shaped adjusting pipe 22, is fixed to the outer surface of the rotating plug 242. A clearance opening 25 is provided on the hollow column 2 for the linkage plate 243 to pass through. When the rotating shaft 241 rotates, it drives the rotating plug 242 to rotate synchronously, thereby driving each arc-shaped adjusting pipe 22 to rotate via the linkage plate 243, adjusting the alignment of the adjusting hole 23 with the spray hole 122.

[0068] In this embodiment, a gear 26 is fixed to the lower end of the rotating shaft 241, and a first rack 27 that meshes with the gear 26 is fixed to the first control member 5. The first rack 27 is actually fixed to the first connecting rod 502 in the first control member 5. A second rack 28 that meshes with the gear 26 is fixed to the second control member 13. The second rack 28 is actually fixed to the second connecting rod 132 in the second control member 13.

[0069] When the first control element 5 moves backward, the first rack 27 and gear 26 work together to drive the rotating shaft 241 to rotate counterclockwise. When the second control element 13 moves to the right, the second rack 28 and gear 26 work together to drive the rotating shaft 241 to continue rotating counterclockwise, thereby adjusting the alignment between the adjusting hole 23 and the spray hole 122.

[0070] With the above structure, the adjustment of the opening size of the spray hole 122 is linked with the movement of the first control component 5 and the second control component 13. There is no need to design an additional drive mechanism to specifically adjust the opening size of the spray hole 122, which greatly simplifies the overall structure of the device, reduces manufacturing costs, and improves the stability and reliability of the equipment operation.

[0071] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0072] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-temperature exhaust gas treatment apparatus for mixing an acid or alkaline exhaust gas with water vapor, comprising a treatment tower, characterized by, Also include: A hollow column fixed in the processing tower and arranged along the axis of the processing tower; Two first hollow plates fixed on the front and back of the hollow column respectively, and a plurality of first air vents are penetrated on each first hollow plate; A first control member located in the two first hollow plates and capable of moving forward and backward to open or close each first air vent; Two second hollow plates fixed on the left and right of the hollow column respectively, and a plurality of second air vents are penetrated on each second hollow plate; each first hollow plate and each second hollow plate cooperate to divide the processing tower into a first processing cavity, a second processing cavity, a third processing cavity and a fourth processing cavity, and a spray cooling assembly is installed in the upper space of the first processing cavity, the second processing cavity, the third processing cavity and the fourth processing cavity; the first processing cavity, the second processing cavity, the third processing cavity and the fourth processing cavity are sequentially connected by external pipelines; A second control member located in the two second hollow plates and capable of moving left and right to open or close each second air vent; The processing tower is fixed with an air inlet pipe communicated with the lower space of the first processing cavity, and an air outlet pipe communicated with the upper space of the fourth processing cavity is fixed on the processing tower; A first air guide pipe is fixed on the processing tower to communicate the upper space of the first processing cavity with the lower space of the second processing cavity, a second air guide pipe is fixed on the processing tower to communicate the upper space of the second processing cavity with the lower space of the third processing cavity, and a third air guide pipe is fixed on the processing tower to communicate the upper space of the third processing cavity with the lower space of the fourth processing cavity; Valves are installed on the first air guide pipe, the second air guide pipe and the third air guide pipe respectively; The spray cooling assembly includes a plurality of arc-shaped spray pipes distributed radially along the processing tower, both ends of each arc-shaped spray pipe are fixed with adjacent first hollow plates and second hollow plates respectively, and a plurality of spray holes are uniformly distributed on the bottom of each arc-shaped spray pipe; a water supply pipe is commonly connected to each arc-shaped spray pipe, and the water supply pipe is connected to an external water source; The center of each arc-shaped spray pipe is located on the axis of the hollow column, an arc-shaped adjusting pipe is movably arranged on each arc-shaped spray pipe, an adjusting hole corresponding to the spray hole is formed in the bottom of each arc-shaped adjusting pipe, and a rotating assembly is arranged in the processing tower to rotate each arc-shaped adjusting pipe along the axis of the hollow column; The rotating assembly includes a rotating shaft rotatably connected to the hollow column, a rotating plug fixed to the inner surface of the hollow column is fixed to the upper end of the rotating shaft, a linkage plate fixed to each arc-shaped adjusting pipe is fixed to the outer surface of the rotating plug, and a gap is formed in the hollow column for the linkage plate to pass through; The lower end of the rotating shaft is fixed with a gear, a first rack matched with the gear is fixed on the first control member, and a second rack matched with the gear is fixed on the second control member.

2. The high-temperature exhaust gas treatment apparatus of claim 1, wherein: The first control member includes a first control plate movably arranged in each first hollow plate, a plurality of first connecting rods are fixedly connected between the two first control plates, and a first air guide hole matched with the first air vent is formed in each first control plate.

3. The high temperature exhaust treatment apparatus of claim 2, wherein: The second control member comprises second control plates movably arranged in the second hollow plates, a plurality of second connecting rods are fixedly connected between the two second control plates, each second connecting rod is staggered with each first connecting rod in up and down directions, and a second air guide hole corresponding to the second air vent is formed in each second control plate.

4. The high temperature exhaust treatment device of claim 1, wherein: A first moving assembly for moving the first control member forward and backward is mounted on the side wall of the processing tower.

5. The high temperature exhaust treatment device of claim 1, wherein: A second moving assembly for moving the second control member left and right is mounted on the side wall of the processing tower.

6. The high-temperature waste gas treatment device of claim 1, wherein: when the first processing cavity, the second processing cavity, the third processing cavity and the fourth processing cavity are independent of each other, the spray holes are completely open; when the first processing cavity and the second processing cavity are directly communicated, and the third processing cavity and the fourth processing cavity are directly communicated, the spray holes are open by one half; when the first processing cavity, the second processing cavity, the third processing cavity and the fourth processing cavity are directly communicated, the spray holes are open by one fourth.

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