Spray tower for exhaust gas treatment

Abstract

The utility model provides a kind of for waste gas treatment's spray tower, spray tower has spray space, and spray tower includes: liquid pool, liquid pool is used to store cleaning liquid, at least part of liquid pool is located in the bottom of spray space;Filter layer, movably set in spray space;Lifting component, the output end of lifting component is located in spray space, the output end of lifting component is used to be connected with filter layer, to drive filter layer along the height direction of spray tower to move by lifting component;Wherein, when needing to clean filter layer, lifting component drives filter layer to move towards liquid pool, to make filter layer soak in liquid pool.This spray tower effectively solves the technical problem that filter layer of spray tower in prior art must be manually operated by operator entering tower when needing to clean or replace filler.

Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment technology, and specifically to a spray tower for waste gas treatment. Background Technology

[0002] In the tire manufacturing industry, the rubber compounding process is a crucial step in determining the quality of the final product. However, during rubber compound production, the mixing of carbon black and oil, as well as the chemical reactions that occur when additives are added later, generate a large amount of waste gas containing oil mist, dust, and volatile organic compounds. To meet environmental emission requirements, a spray tower is typically installed to treat the waste gas. After being introduced into the spray tower, the waste gas passes through a filter layer (such as a multi-faceted spherical packing layer) and a spray device, achieving purification through washing, adsorption, and interception.

[0003] However, existing technology has significant drawbacks: due to the large amount of oily pollutants in the exhaust gas, oil easily deposits on the surface of the filter layer after long-term operation, causing blockage of the packing layer and severely affecting the ventilation efficiency and purification effect of the spray tower. Therefore, it is necessary to clean the filter layer regularly or replace the filter components (such as multi-faceted spherical packing).

[0004] Currently, filter layers are mostly installed inside spray towers using a suspended structure. Maintenance work requires operators to manually disassemble, clean, or replace the filters after the tower is shut down. Due to the confined space and complex structure inside the spray tower, personnel movement is restricted, increasing the risk of bumps and injuries. Furthermore, harmful gases (such as sulfides and organic solvent vapors) may remain inside the tower, posing a risk of poisoning or asphyxiation, seriously threatening the personal safety and occupational health of workers. In addition, manual maintenance is inefficient, time-consuming, and affects continuous equipment operation, increasing downtime costs.

[0005] Therefore, the existing technology still needs further development. Utility Model Content

[0006] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and provide a spray tower for waste gas treatment, which solves the technical problem that in the prior art, when the filter layer of the spray tower needs to be cleaned or the packing needs to be replaced, operators must enter the tower for manual operation.

[0007] To achieve the above-mentioned technical objectives, according to one aspect of the present invention: a spray tower for treating waste gas is provided. The spray tower has a spray space and includes: a storage tank for storing cleaning liquid, at least a portion of which is located at the bottom of the spray space; a filter layer movably disposed within the spray space; and a lifting component, the output end of which is located within the spray space and is connected to the filter layer to drive the filter layer to move along the height direction of the spray tower. When cleaning of the filter layer is required, the lifting component moves the filter layer toward the storage tank so that the filter layer is immersed in the storage tank.

[0008] Furthermore, the lifting component includes: a winding assembly, which is disposed on the ground and located outside the shell of the spray tower, the winding assembly having a take-up and release section, the take-up and release section being rotatably disposed; a lifting rope, part of which is wound around the take-up and release section, the end of which is away from the take-up and release section passing through the spray space, and the end of which is away from the take-up and release section being connected to the filter layer; so that the lifting rope can be wound or released by rotating the take-up and release section, thereby causing the lifting rope to drive the filter layer to move.

[0009] Furthermore, the spray tower also includes: a support bracket, which extends along a preset direction and is perpendicular to the height direction of the spray tower; the support bracket passes through the spray space, and part of the support bracket is located outside the shell of the spray tower; the support bracket is fixedly connected to the shell of the spray tower and is located above the filter layer; the lifting component also includes: a first pulley, which is rotatably mounted on the support bracket and is located within the spray space; the outer wall of the first pulley is provided with a first guide groove extending along the circumferential direction of the first pulley; one end of the lifting rope away from the take-up and release part passes around the first guide groove and is connected to the filter layer.

[0010] Furthermore, the lifting component also includes: a second pulley, which is rotatably mounted on the support bracket and located outside the shell of the spray tower; a second guide groove is provided on the outer wall of the second pulley, extending along the circumferential direction of the second pulley, and part of the lifting rope is wound around the second guide groove.

[0011] Furthermore, the winding assembly includes: a drive unit, which is disposed on the ground and has a drive end rotatably disposed; and a winch, which is connected to the drive end of the drive unit to drive the winch to rotate via the drive unit, with a portion of the lifting rope wound around the winch.

[0012] Furthermore, the winding assembly also includes: a speed reducer, which is driven to the drive end of the drive member, and a winch connected to the drive end of the drive member via the speed reducer.

[0013] Furthermore, the filter layer includes: a placement component and multiple packing components. The placement component has a placement groove and multiple filter holes spaced apart, each filter hole communicating with the placement groove. The multiple packing components are placed inside the placement groove. The outer wall of the placement component has two third guide grooves, which are symmetrically arranged and extend along the height direction of the spray tower. The spray tower also includes: two guide rails, which are spaced apart on the inner wall of the spray space, symmetrically arranged, and extend along the height direction of the spray tower. Each guide rail corresponds to each third guide groove, and each third guide groove is movably arranged on the corresponding guide rail along the extension direction of the guide rail.

[0014] Furthermore, the spray tower also includes a control component, which is connected to the lifting component to control the movement of the lifting component.

[0015] Furthermore, the spray tower also includes: a spray component, the spray section of which is disposed within the spray space and located at the top of the spray tower; and a support bracket located between the spray section and the filter layer.

[0016] Beneficial effects: The present invention provides a spray tower for waste gas treatment, comprising a storage tank, a filter layer, and a lifting component. The storage tank is located at the bottom of the spray space, with at least a portion situated within the spray space, and is used to store cleaning liquid. The filter layer increases the contact area between the waste gas and the spray liquid. When waste gas containing dust, oil mist, particulate matter, or harmful gases passes through the filter layer, pollutants are trapped, adsorbed, or condensed on the surface of the packing material, thereby being removed from the airflow. The filter layer is movably disposed within the spray space. The output end of the lifting component is connected to the filter layer, allowing the lifting component to drive the filter layer to reciprocate along the height direction of the spray tower. When performing its filtration function, the filter layer is suspended within the spray space. When cleaning is required, the lifting component moves the filter layer downwards, immersing it in the cleaning liquid within the storage tank. The cleaning liquid soaks and dissolves accumulated oil, dust, and other pollutants in the filter layer, achieving automatic online cleaning, effectively removing stains, and restoring filtration performance.

[0017] Therefore, by using a lifting mechanism to automatically lower the filter layer into the storage tank for soaking and cleaning, operators are no longer required to enter the confined, enclosed interior of the spray tower, which may contain harmful gases. This significantly improves the safety of maintenance operations and avoids occupational health risks such as poisoning, suffocation, and injuries. Furthermore, the filter layer can be cleaned online without continuous disassembly, simplifying the maintenance process, shortening the maintenance cycle, and improving the equipment's continuous operation capability and production efficiency. Simultaneously, the lifting mechanism enables regular cleaning, effectively preventing the long-term accumulation of oil and dirt that leads to hardening and clogging, maintaining the structural integrity and permeability of the packing material (such as multifaceted spheres), reducing replacement frequency, and lowering operating costs. In addition, by utilizing the existing cleaning solution in the storage tank for in-situ soaking and cleaning of the filter layer, there is no need for additional independent cleaning equipment or the consumption of large amounts of external cleaning resources, achieving integration of the cleaning process and resource reuse. On the one hand, the cleaning solution can be recycled, requiring only periodic replenishment or replacement, significantly reducing the consumption of cleaning water and chemicals; on the other hand, it eliminates the tedious steps of traditional manual disassembly, handling, and rinsing, greatly reducing cleaning costs and labor input. Meanwhile, this method avoids packing damage or structural deformation caused by frequent disassembly and assembly, further improving the operational economy and maintenance sustainability of the equipment. This spray tower effectively solves the technical problem in existing technologies where cleaning or replacement of the filter layer requires manual operation by personnel entering the tower. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings: Figure 1 A schematic diagram of the structure of a spray tower for waste gas treatment according to the present invention is shown; Figure 2 It shows Figure 1 A magnified view of a portion of point A in the middle.

[0019] The above figures include the following reference numerals: 1. Liquid storage tank; 2. Filter layer; 21. Placement component; 3. Lifting component; 31. Winding assembly; 311. Drive component; 312. Winch; 313. Reducer; 32. Lifting rope; 33. First pulley; 34. Second pulley; 4. Housing; 5. Support bracket; 6. Guide rail; 7. Spraying component; 71. Spraying element; 72. Circulation pipeline; 73. Pump; 10. Spraying space. Detailed Implementation

[0020] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0021] Please see Figure 1 and Figure 2 According to an embodiment of the present invention, a spray tower for treating waste gas is provided. The spray tower has a spray space 10 and includes: a storage tank 1, a filter layer 2, and a lifting component 3. The storage tank 1 is used to store cleaning liquid, and at least a portion of the storage tank 1 is located at the bottom of the spray space 10. The filter layer 2 is movably disposed within the spray space 10. The output end of the lifting component 3 is located within the spray space 10 and is used to connect with the filter layer 2 so that the filter layer 2 can be moved along the height direction of the spray tower by the lifting component 3. When it is necessary to clean the filter layer 2, the lifting component 3 moves the filter layer 2 toward the storage tank 1 so that the filter layer 2 is immersed in the storage tank 1.

[0022] As can be seen, the spray tower for waste gas treatment provided by this utility model includes a storage tank 1, a filter layer 2, and a lifting component 3. The storage tank 1 is located at the bottom of the spray space 10, and at least a portion of the storage tank 1 is located within the spray space 10. The storage tank 1 is used to store cleaning liquid. The filter layer 2 is used to increase the contact area between the waste gas and the spray liquid. When waste gas containing dust, oil mist, particulate matter, or harmful gases passes through the filter layer, the pollutants are intercepted, adsorbed, or condensed on the surface of the packing material, thereby being removed from the airflow. The filter layer 2 is movably disposed within the spray space 10. The output end of the lifting component 3 is used to connect to the filter layer 2, so that the lifting component 3 can drive the filter layer 2 to reciprocate along the height direction of the spray tower. When performing the filtration function, the filter layer 2 is suspended within the spray space 10. When cleaning of the filter layer 2 is required, the lifting component 3 drives the filter layer 2 downward, immersing the filter layer 2 in the cleaning liquid in the storage tank 1. The cleaning solution soaks and dissolves the oil, dust and other pollutants accumulated in the filter layer 2, achieving automatic online cleaning, effectively removing stains and restoring filtration performance.

[0023] Therefore, by using the lifting component 3 to automatically lower the filter layer 2 into the storage tank 1 for soaking and cleaning, operators are no longer required to enter the confined, enclosed interior of the spray tower, which may contain harmful gases. This significantly improves the safety of maintenance operations and avoids occupational health risks such as poisoning, suffocation, and injuries. Furthermore, the filter layer 2 can be cleaned online without continuous disassembly, simplifying the maintenance process, shortening the maintenance cycle, and improving the continuous operation capability and production efficiency of the equipment. Simultaneously, the lifting component 3 enables regular cleaning, effectively preventing the long-term accumulation of oil stains that leads to hardening and clogging, maintaining the structural integrity and permeability of the packing material (such as multifaceted spheres), reducing replacement frequency, and lowering operating costs. In addition, by utilizing the existing cleaning solution in the storage tank 1 for in-situ soaking and cleaning of the filter layer 2, there is no need for additional independent cleaning equipment or the consumption of large amounts of external cleaning resources, achieving integration of the cleaning process and resource reuse. On the one hand, the cleaning solution is recyclable, requiring only periodic replenishment or replacement, significantly reducing the consumption of cleaning water and chemicals. On the other hand, it eliminates the tedious steps of traditional manual disassembly, handling, and rinsing, greatly reducing cleaning costs and labor input. Simultaneously, this method avoids packing damage or structural deformation caused by frequent disassembly and assembly, further improving the operational economy and maintenance sustainability of the equipment. This spray tower effectively solves the technical problem in existing technologies where operators must enter the tower manually to clean or replace the filter layer.

[0024] The cleaning solution in storage tank 1 is an emulsion prepared by adding an emulsifier to water. This emulsion has excellent wetting, penetrating, and dispersing capabilities, effectively decomposing and peeling off oily contaminants (such as carbon black oil stains, rubber residue, etc.) adhering to filter layer 2, significantly improving the cleaning effect. Through emulsification, the oil stains are emulsified and dispersed in the water, preventing their redeposition and ensuring that the pore structure of the filter layer is completely restored, thereby improving cleaning efficiency and regeneration performance.

[0025] Specifically, such as Figure 1 As shown, the lifting component 3 includes: a winding assembly 31 and a lifting rope 32. The winding assembly 31 is disposed on the ground and located outside the shell 4 of the spray tower. The winding assembly 31 has a take-up and release part, which is rotatably disposed. Part of the lifting rope 32 is wound around the take-up and release part. One end of the lifting rope 32 away from the take-up and release part passes through the spray space 10, and the other end of the lifting rope 32 away from the take-up and release part is connected to the filter layer 2. The lifting rope 32 can be wound or released by rotating the take-up and release part, so that the lifting rope 32 drives the filter layer 2 to move.

[0026] By adopting the above-described structural design and placing the winding assembly 31 on the outside of the spray tower, the tower is free of complex transmission components, maximizing the effective volume of the spray space without affecting airflow distribution and spraying effect, thus ensuring efficient waste gas treatment. Furthermore, it facilitates the maintenance and repair of the winding assembly 31, preventing operators from entering the spray space 10 and completely avoiding safety risks such as poisoning, suffocation, and collisions associated with working in confined spaces, significantly improving the safety of the maintenance process. Simultaneously, placing the winding assembly 31 on the ground facilitates daily inspection, lubrication, and component replacement, eliminating the need for high-altitude or confined space operations, greatly reducing maintenance difficulty and labor costs. The mechanical transmission method of "winding assembly 31 + lifting rope 32" is simple in structure, runs smoothly, and has a strong load-bearing capacity, ensuring smooth and reliable movement of the filter layer 2 during lifting, thereby achieving automatic control of the filter layer's lifting action and meeting the requirements of intelligent operation.

[0027] The end of the lifting rope 32 furthest from the retracting section forms the output end of the lifting rope 32.

[0028] Optionally, a portion of the lifting rope 32 is wound around the winding assembly 31, with a free section of a preset length reserved. The end of this free section (i.e., the output end of the lifting rope 32) extends along the height direction of the spray tower, passes through a through hole or guide structure on the housing 4, and connects to the filter layer 2.

[0029] When the length of the reserved lifting rope 32 is just enough to place the filter layer 2 in the preset filtration position (i.e., the normal working position suspended in the spray space), the winding component 31 remains stationary and the lifting rope 32 is in a taut state, thereby stably supporting the filter layer 2, keeping it in a fixed position during the exhaust gas treatment process, ensuring uniform airflow, and maintaining high-efficiency purification performance.

[0030] When the filter layer 2 needs to be cleaned, the winding assembly 31 rotates in a first preset direction (e.g., clockwise or counterclockwise) and gradually releases the lifting rope 32. Under the action of its own gravity, the filter layer 2 moves downward in a vertical direction until it is immersed in the liquid storage tank 1 set at the bottom of the spray tower. The cleaning liquid is used to soak and dissolve the attached oil, dust and other pollutants, thereby achieving automatic cleaning.

[0031] After cleaning, the winding assembly 31 rotates in the opposite direction (i.e., rotates in the opposite direction of the first preset direction) to rewind and recycle the lifting rope 32 onto the take-up and release part. The filter layer 2 is then smoothly lifted by pulling the lifting rope 32 and reset to the initial filtration position to restore the exhaust gas treatment function.

[0032] Optionally, the lifting rope 32 can be a steel rope.

[0033] Specifically, the spray tower further includes: a support bracket 5, which extends along a preset direction and is perpendicular to the height direction of the spray tower; the support bracket 5 passes through the spray space 10, and part of the support bracket 5 is located outside the shell 4 of the spray tower; the support bracket 5 is fixedly connected to the shell 4 of the spray tower and is located above the filter layer 2; the lifting component 3 further includes: a first pulley 33, which is rotatably mounted on the support bracket 5 and is located within the spray space 10; the outer wall of the first pulley 33 is provided with a first guide groove extending in the circumferential direction of the first pulley 33; one end of the lifting rope 32 away from the take-up and release part passes around the first guide groove and connects to the filter layer 2. The first guide groove is configured as a continuous annular structure extending in the circumferential direction of the first pulley 33, which can circumferentially limit and stably guide the lifting rope 32, preventing it from derailing or shifting during operation.

[0034] By adopting the above-described structural design, the first pulley 33 with a first guide groove precisely guides the direction of the lifting rope 32, effectively changing the direction of the rope's force so that it acts perpendicularly on the filter layer 2. This significantly improves the stability and synchronization of the lifting process, preventing the filter layer from tilting, swaying, or getting stuck due to eccentric tension. Furthermore, the first pulley 33 converts the sliding friction between the lifting rope 32 and the shell or support bracket 5 into rolling guidance, reducing rope wear and extending its service life. It also prevents the lifting rope from rubbing against the tower structure, reducing the risk of failure and improving the long-term stability of the system. Meanwhile, the support bracket 5 and the first pulley 33 are positioned within the limited space above the filter layer 2, resulting in a compact structure that does not occupy the effective flow section of the spray area, does not affect the airflow distribution and uniform coverage of the spray liquid, and ensures efficient waste gas treatment. In addition, the support bracket 5 horizontally penetrates the shell and extends outward, serving both as the mounting base for the first pulley 33 and enhancing the rigidity of the top structure of the spray tower. Its design, with some parts located outside the tower, facilitates the installation, inspection, and replacement of the pulley assembly, eliminating the need to enter the spray space and improving maintenance convenience.

[0035] Furthermore, such as Figure 1 As shown, the lifting component 3 further includes: a second pulley 34, which is rotatably mounted on the support bracket 5 and located outside the shell 4 of the spray tower; a second guide groove extending circumferentially along the outer wall of the second pulley 34 is provided, and a portion of the lifting rope 32 is wound around the second guide groove. The second guide groove is configured as a continuous annular structure extending circumferentially along the second pulley 34, which can circumferentially limit and stably guide the lifting rope 32, preventing it from derailing or shifting during operation.

[0036] With the above-described structural configuration, the second pulley 34 is located outside the spray tower shell, providing a crucial external turning point for the lifting rope 32 and effectively optimizing its running path from the winding assembly 31 to the spray space 10. This design not only makes the rope path smoother and more precise but also effectively avoids deviations, scraping, or jamming caused by angular deviations during the lifting rope's entry into the tower body, significantly improving the system's operational stability and reliability. Simultaneously, the second pulley 34 transforms potential sliding friction into rolling guidance, drastically reducing frictional resistance and mechanical wear between the lifting rope 32 and the tower structure, thereby extending the rope's service life, reducing the risk of failure due to wear, and lowering equipment maintenance frequency and operating costs. Furthermore, through the coordinated operation of the first pulley 33 and the second pulley 34, the force path of the lifting rope 32 is rationally distributed, achieving multi-point guidance and tension balance. This dual-stage guiding structure effectively avoids localized stress concentration or single-point overload, preventing rope breakage, derailment, or structural deformation due to uneven force distribution, further enhancing the overall lifting system's load-bearing capacity, operational stability, and safety. In summary, the combined design of the first pulley 33 and the second pulley 34 not only optimizes the transmission path and improves the guiding accuracy, but also significantly improves the durability of the system and the reliability of automated operation, providing a strong guarantee for the stable lifting and automatic cleaning of the filter layer.

[0037] Optionally, during installation, a portion of the lifting rope 32 is wound around the winding assembly 31, with a free section of a preset length reserved. The end of this free section (i.e., the output end of the lifting rope 32) extends along the height direction of the spray tower, first passing around the second pulley 34 located outside the shell to achieve an initial change of direction; then it passes through the shell into the spray space 10, and then passes around the first pulley 33 located on the support bracket 5 to complete secondary guidance; finally, the output end of the lifting rope 32 is led out vertically downwards and fixedly connected to the filter layer 2. Through the above wiring method, the lifting rope 32 forms a stable guiding path under the synergistic action of the second pulley 34 and the first pulley 33, ensuring that the force direction during lifting is perpendicular to the filter layer 2, effectively preventing off-center loading, tilting or jamming, and ensuring the smoothness and reliability of the lifting action of the filter layer.

[0038] Furthermore, a first sealing structure is provided at the connection between the support bracket 5 and the spray tower shell 4 to seal the assembly gap between the two, preventing the exhaust gas in the spray space 10 from leaking to the external environment along the part through which the support bracket 5 passes, thus ensuring the airtightness and environmental performance of the exhaust gas treatment system.

[0039] Meanwhile, a second sealing structure is provided at the penetration point where the lifting rope 32 passes through the shell 4. This second sealing structure effectively seals the dynamic gap between the rope and the shell while allowing the lifting rope 32 to reciprocate axially, preventing exhaust gas from leaking out through the perforation, thus balancing the requirements of motion function and airtightness. By setting up the first and second sealing structures, multiple sealing protections are achieved for the spray tower under dynamic operating conditions, ensuring not only the safety and environmental compliance of the equipment operation but also preventing harmful gases from affecting the surrounding operating environment and personnel health.

[0040] The second sealing structure is a dynamic sealing structure suitable for reciprocating motion, used to effectively prevent exhaust gas in the spray space from leaking through the perforations in the housing while the lifting rope 32 moves axially. For example, a sealing cavity is provided at the perforation of the housing 4, with flexible packing inside. The packing can be made of graphite, polytetrafluoroethylene (PTFE), carbon fiber, or their composites, and a pre-tightening force is applied to the packing through a gland. When the packing is compressed, it tightly adheres to the outer surface of the lifting rope 32, forming a reliable sealing interface. During the up-and-down movement of the lifting rope, the packing has good self-lubricating and wear-resistant properties, enabling continuous sliding under low friction conditions, balancing sealing performance and freedom of movement. Alternatively, a lip seal ring made of elastic materials such as rubber (e.g., nitrile rubber, fluororubber) or polyurethane can be installed at the perforation of the housing 4. This seal ring has an inwardly protruding lip, which, relying on the elasticity of the material, tightly presses against the surface of the lifting rope 32, forming an initial seal. When the lifting rope reciprocates, a small amount of lubrication and sliding occurs between the lip and the rope, which ensures a sealing effect and avoids excessive wear. It is suitable for steel wire ropes or coated ropes with high surface finish.

[0041] Specifically, such as Figure 1 and Figure 2 As shown, the winding assembly 31 includes a drive unit 311 and a winch 312. The drive unit 311 is mounted on the ground, and its drive end is rotatably mounted. The winch 312 is connected to the drive end of the drive unit 311, so that the drive unit 311 drives the winch 312 to rotate. Part of the lifting rope 32 is wound around the winch 312. The winch 312 forms the winding and unwinding section of the winding assembly 31. With this structural arrangement, the cooperation of the drive unit 311 and the winch 312 constitutes a complete power winding and unwinding system, enabling the electrification and programmed control of the lifting and lowering action of the filter layer 2. Furthermore, the winch is a widely used lifting device in the industrial field, possessing advantages such as structural stability, high load-bearing capacity, and smooth operation. It is suitable for heavier filter layers (such as metal mesh frames filled with multifaceted spheres), ensuring safety and durability during long-term, frequent lifting operations.

[0042] Furthermore, the drum surface of the winch 312 may be provided with a spiral groove or a rope arranger to ensure that the lifting rope 32 is wound in an orderly manner and to avoid rope tangling, rope stacking or jumping out of the groove.

[0043] Optionally, the drive element 311 is a motor.

[0044] Furthermore, such as Figure 1 and Figure 2 As shown, the winding assembly 31 also includes a reducer 313, which is driven by the drive end of the drive unit 311. The winch 312 is connected to the drive end of the drive unit 311 via the reducer 313. With this structural arrangement, the reducer 313 converts the high-speed, low-torque output of the drive unit 311 (typically a motor) into the low-speed, high-torque input required by the winch 312, making the lifting process smoother and more precise, avoiding rope tangling or excessive impact load caused by excessively high speeds. Furthermore, by reducing speed and increasing torque, the system's load-bearing capacity and impact resistance are significantly improved, especially suitable for heavier filter layers (such as metal mesh frames filled with multifaceted spheres), reducing wear on mechanical parts and extending the service life of the entire transmission chain. In addition, the stable power output provided by the reducer 313 helps maintain the winch 312 at a uniform speed, preventing vibration or noise caused by speed fluctuations, reducing the risk of equipment failure during operation, and ensuring stable operation over a long period.

[0045] Specifically, the filter layer 2 includes: a placement member 21 and multiple packing members. The placement member 21 is provided with a placement groove and multiple filter holes spaced apart on the placement member 21, each filter hole communicating with the placement groove. The multiple packing members are placed in the placement groove. The outer wall of the placement member 21 is provided with two third guide grooves, which are symmetrically arranged and extend along the height direction of the spray tower. The spray tower also includes: two guide rails 6, which are spaced apart on the inner wall of the spray space 10, symmetrically arranged, and extend along the height direction of the spray tower. Each guide rail 6 corresponds to each third guide groove, and each third guide groove is movably arranged on the corresponding guide rail 6 along the extension direction of the guide rail 6.

[0046] By adopting the above-described structural design, a third guide groove is provided on the outer wall of the placement component 21, which slides in conjunction with the guide rail 6 on the inner wall to form a rigid guide structure. This effectively constrains the movement trajectory of the filter layer 2, preventing it from swaying, tilting, or colliding with the tower wall during lifting and lowering, significantly improving operational stability and safety. Simultaneously, the two sets of guide grooves and guide rails are symmetrically arranged, ensuring balanced force on the filter layer 2 during lifting and lowering, avoiding structural deformation or localized wear caused by unilateral force, and extending the equipment's service life.

[0047] Alternatively, the packing element can be a multifaceted ball, a Raschig ring, or a honeycomb structure.

[0048] Specifically, the spray tower also includes a control component connected to the lifting component 3, which controls the movement of the lifting component 3. With this structural arrangement, the lifting process of the filter layer 2 can be controlled by the control component.

[0049] Optionally, the control unit can be a PLC (Programmable Logic Controller), a microcontroller, an industrial computer, or a control module with timing / sensing functions. It can also integrate a human-machine interface (such as a touch screen) or a remote communication module (such as Wi-Fi or 4G) to achieve local or remote operation. This eliminates the need for manual operation by on-site personnel. The system can automatically execute the entire process of "descent → immersion cleaning → rise → reset" according to preset programs or sensor feedback, significantly improving the intelligence and automation level of the equipment.

[0050] Alternatively, the control component can be a control box, located externally to the spray tower for easy access. The control box contains multiple operating buttons, such as "Up," "Down," and "Stop." Operators can manually press the corresponding buttons as needed to drive the lifting component 3 via the electrical control system, thereby achieving inching or continuous control of the lifting movement of the filter layer 2. This manual control method is simple in structure and intuitive in operation, suitable for situations where automation requirements are not high or where real-time on-site intervention is needed, and possesses good practicality and emergency operation capabilities.

[0051] Specifically, such as Figure 1 As shown, the spray tower also includes: a spray component 7, whose spray section is located within the spray space 10 and at the top of the spray tower; and a support bracket 5 located between the spray section and the filter layer 2. With this structural arrangement, the spray section is located at the top of the tower, and the filter layer 2 is below it, forming a typical "top-spray, bottom-air" counter-current structure. Exhaust gas enters from the bottom of the tower and flows upwards, while the spray liquid is sprayed downwards from the top, extending the gas-liquid contact time, enhancing the mass transfer effect, and significantly improving the removal efficiency of dust, oil mist, and harmful gases. Simultaneously, the support bracket 5, located between the spray section and the filter layer 2, fully utilizes the vertical space within the tower, integrating guiding, supporting, and lifting transmission functions without increasing the tower's volume, making the overall structure more compact, the layout more rational, and saving equipment space. Furthermore, although the support bracket 5 is located below the spray area, it has reasonable gaps or through-hole structures to ensure the free fall of the spray liquid. The liquid can pass through the gaps in the support evenly, fully wetting the surface of the filter layer 2, preventing spray blind spots or uneven liquid distribution caused by obstruction, and ensuring that the packing layer fully participates in the reaction.

[0052] Furthermore, the spraying component 7 includes a spray element 71, a circulation pipeline 72, and a pump 73. The spray element 71 is disposed within the spraying space 10, preferably at the top of the spray tower, and is used to uniformly spray the treated liquid in an atomized or spraying form, covering the filter layer 2 below, thereby effectively washing and purifying the rising exhaust gas. The spray element 71 forms the spray section of the spraying component 7. The sprayed liquid eventually falls back into the storage tank 1. The circulation pipeline 72 is connected to both the storage tank 1 and the spray element 71, forming a liquid circulation channel, used to transport the cleaning liquid (or spraying liquid) in the storage tank 1 to the spray element 71, realizing the recycling of the liquid, saving water resources, and improving operational economy. The pump 73 is disposed on the circulation pipeline 72, used to provide power for the circulating flow of the cleaning liquid, ensuring that the spray element 71 obtains stable pressure and flow rate, and ensuring the continuity and uniformity of the spraying effect.

[0053] Furthermore, the spraying component 7 also includes a filter, which is installed on the circulation pipeline 72 and located on the inlet (input) side of the pump 73. This filter is used to pre-filter the cleaning fluid drawn from the storage tank 1, removing suspended particles, dust, or impurities from the liquid to prevent them from entering the pump body and causing wear, blockage, or damage, thus ensuring the stable operation of the pump 73 and the entire circulation system.

[0054] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0055] Optionally, specific examples in this embodiment can refer to the examples described in the above embodiments, and will not be repeated here.

[0056] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0057] In the above embodiments of this application, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0058] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A spray tower for treating waste gas, the spray tower having a spray space (10), characterized in that, The spray tower includes: A storage tank (1) for storing cleaning liquid, at least a portion of which is located at the bottom of the spray space (10); The filter layer (2) is movably disposed within the spray space (10); The lifting component (3) has its output end located within the spray space (10). The output end of the lifting component (3) is used to connect with the filter layer (2) so that the filter layer (2) can be moved along the height direction of the spray tower by the lifting component (3). When the filter layer (2) needs to be cleaned, the lifting component (3) moves the filter layer (2) toward the liquid storage tank (1) so that the filter layer (2) is immersed in the liquid storage tank (1).

2. The spray tower for waste gas treatment according to claim 1, characterized in that, The lifting component (3) includes: A winding assembly (31) is provided on the ground and located outside the shell (4) of the spray tower. The winding assembly (31) has a take-up and release part that is rotatably provided. A lifting rope (32) is partially wound around the take-up and release part. One end of the lifting rope (32) away from the take-up and release part passes through the spray space (10), and the other end of the lifting rope (32) away from the take-up and release part is connected to the filter layer (2). The lifting rope (32) can be wound or released by rotating the take-up and release part, so that the lifting rope (32) can drive the filter layer (2) to move.

3. The spray tower for waste gas treatment according to claim 2, characterized in that, The spray tower further includes: a support bracket (5), which extends along a preset direction and is perpendicular to the height direction of the spray tower; the support bracket (5) passes through the spray space (10), and part of the support bracket (5) is located outside the shell (4) of the spray tower; the support bracket (5) is fixedly connected to the shell (4) of the spray tower, and the support bracket (5) is located above the filter layer (2); The lifting component (3) further includes: a first pulley (33), which is rotatably mounted on the support bracket (5) and located within the spray space (10). The outer wall of the first pulley (33) is provided with a first guide groove extending along the circumferential direction of the first pulley (33). The end of the lifting rope (32) away from the take-up and release part passes around the first guide groove and connects to the filter layer (2).

4. The spray tower for waste gas treatment according to claim 3, characterized in that, The lifting component (3) further includes: a second pulley (34), which is rotatably mounted on the support bracket (5) and located outside the shell (4) of the spray tower; a second guide groove is provided on the outer wall of the second pulley (34) extending in the circumferential direction of the second pulley (34), and part of the lifting rope (32) is wound around the second guide groove.

5. The spray tower for waste gas treatment according to any one of claims 2-4, characterized in that, The winding assembly (31) includes: A driving element (311) is disposed on the ground, and the driving end of the driving element (311) is rotatably disposed. A winch (312) is connected to the drive end of the drive member (311) so that the winch (312) can be driven to rotate by the drive member (311), and part of the lifting rope (32) is wound around the winch (312).

6. The spray tower for waste gas treatment according to claim 5, characterized in that, The winding assembly (31) further includes a speed reducer (313), which is driven connected to the drive end of the drive member (311), and the winch (312) is connected to the drive end of the drive member (311) through the speed reducer (313).

7. The spray tower for waste gas treatment according to claim 1, characterized in that, The filter layer (2) includes: a placement member (21) and a plurality of packing members. The placement member (21) is provided with a placement groove, and the placement member (21) is provided with a plurality of filter holes spaced apart. Each filter hole is connected to the placement groove. The plurality of packing members are disposed in the placement groove. The outer wall of the placement member (21) is provided with two third guide grooves. The two third guide grooves are symmetrically arranged, and each third guide groove extends along the height direction of the spray tower. The spray tower further includes: two guide rails (6), which are spaced apart on the inner wall of the spray space (10), are symmetrically arranged, and extend along the height direction of the spray tower; each guide rail (6) is correspondingly arranged with each third guide groove, and each third guide groove is movably arranged on the corresponding guide rail (6) along the extension direction of the guide rail (6).

8. The spray tower for waste gas treatment according to claim 1, characterized in that, The spray tower further includes a control component, which is connected to the lifting component (3) to control the movement of the lifting component (3).

9. The spray tower for waste gas treatment according to claim 3, characterized in that, The spray tower further includes: a spray component (7), the spray part of the spray component (7) is disposed in the spray space (10), and the spray part is located at the top of the spray tower; the support bracket (5) is located between the spray part and the filter layer (2).

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