Rotating wheel concentration equipment for coating waste gas of automobile body

Abstract

The invention relates to the technical field of waste gas treatment, in particular to automobile body coating waste gas rotating wheel concentration equipment which comprises a concentration treatment box, a main shaft set and a movable screen set, and efficient adsorption and purification of harmful ingredients in waste gas are achieved through accurate airflow control and the efficient adsorption effect of a molecular sieve plate. Particularly, recoverable components in the waste gas can be effectively desorbed and concentrated on the surface of the molecular sieve plate through the volume change of the accommodating cavity generated by the eccentric movement of the cylinder sleeve ring, so that the purification efficiency of the waste gas is improved, and valuable components in the waste gas are recovered. The air flow in the equipment can pass through the molecular sieve plate for multiple times, the desorption effect is improved, meanwhile, the equipment continuously runs under lower energy consumption, the downtime of the equipment is reduced, and the service life of the equipment is prolonged. Compared with a traditional waste gas treatment technology, the waste gas treatment device has the advantages of efficient waste gas treatment capacity, low energy consumption, high resource recovery rate, stable operation and wide application prospect.

Description

Technical Field

[0001] The present invention relates to the technical field of waste gas treatment, in particular to a rotary concentrating device for automobile body painting waste gas. Background Art

[0002] Currently, the automotive coating industry typically uses traditional exhaust gas purification equipment for exhaust gas treatment. Most of these devices rely on simple physical filtration or chemical adsorption principles to purify exhaust gas. Common exhaust gas treatment devices include activated carbon adsorption devices, wet scrubbers, and electrostatic precipitators. These traditional devices generally absorb harmful substances in the exhaust gas through adsorbents or filter media, and then clean the exhaust gas by regularly replacing or regenerating the adsorbent. However, these traditional devices have the following drawbacks when treating exhaust gas: Traditional technologies often rely on a single adsorption or filtration method, which often results in unsatisfactory removal of harmful substances from exhaust gas. This is particularly true when treating high-concentration exhaust gas, resulting in low purification efficiency, incomplete removal of harmful components, and failure to meet emission standards. Existing technologies often rely solely on simple airflow filtration and adsorption processes to recover recyclable components from exhaust gas. This results in inadequate desorption and recovery of recyclable components from the exhaust gas, resulting in wasted resources and increased treatment costs.

[0003] Most traditional waste gas treatment equipment requires significant energy to maintain operation, especially for efficient purification and desorption of waste gas. This equipment suffers from low operating efficiency and high energy consumption, leading to increased treatment costs. Furthermore, the equipment's maintenance and operation cycles are short, increasing operating costs for businesses. Existing equipment requires frequent replacement or cleaning of adsorbent materials, resulting in significant downtime and high maintenance costs. Over long-term operation, adsorbent performance gradually degrades, impacting the overall efficiency of waste gas treatment.

[0004] In view of this, research and improvement are carried out on the existing problems, and a rotary concentration equipment for automobile body painting exhaust gas is provided to solve the current problems. The purpose is to achieve the purpose of solving problems and improving practical value through this technology. Summary of the Invention

[0005] This invention provides a rotary concentrator for automobile body painting exhaust gas, designed to effectively purify exhaust gas generated during the painting process and recover usable components. Through its unique structure and operating principle, this device significantly improves exhaust gas purification efficiency, reduces environmental pollution, and effectively recovers recyclable components from the exhaust gas, demonstrating broad application value and market prospects.

[0006] A rotary concentrating device for automobile body painting exhaust gas comprises a concentrating treatment box, a main shaft group and a dynamic screen group, an air intake end cover and an exhaust end cover are respectively provided on both sides of the concentrating treatment box, a circulation channel and a treatment chamber are provided on the inner side of the concentrating treatment box, and the circulation channel is sleeved around the outer periphery of the treatment chamber, a clean air outlet and an exhaust gas inlet connected to the two ends of the circulation channel are fixedly connected to the surface of the concentrating treatment box, a clean air inlet is provided on the surface of the concentrating treatment box, and a plurality of exhaust through holes are arranged on the surface of the exhaust end cover, a rotary valve core is rotatably installed on the inner side of the exhaust end cover, and a valve port is provided on the surface of the rotary valve core; the design of the concentrating treatment box ensures that the exhaust gas can fully flow between the circulation channel and the treatment chamber after entering the equipment, and is discharged through the clean air outlet after being fully purified, and the exhaust end cover and the rotary valve core ensure the unidirectional flow of the exhaust gas flow, thereby improving the exhaust gas treatment efficiency.

[0007] The main shaft group includes a shaft rod, a crank wheel and a cylinder ring rotatably sleeved on the outer side of the crank wheel. The crank wheel surface is provided with a wheel that slides and abuts against the inner side of the cylinder ring. The center of the cylinder ring deviates from the axis of the shaft rod; the eccentric movement of the main shaft group drives the cylinder ring to rotate eccentrically, thereby pushing the sliding guide frame to reciprocate inside the arc groove, effectively improving the speed and accuracy of exhaust gas treatment.

[0008] The dynamic screen assembly includes a pin, a sliding guide frame, and a spring fixed to the surface of the concentration treatment box. The pin is rotatably mounted on the inside of the concentration treatment box and has a rotating lug fixed to the surface of the sliding guide frame at one end. The inside of the sliding guide frame is clamped with a one-way valve plate and a molecular sieve plate. The inside of the concentration treatment box is provided with a number of evenly distributed arc chute grooves, and the sliding guide frame slides inside the arc chute grooves. One end of the pin is connected to the end of the spring. The design of the dynamic screen assembly effectively promotes the desorption and concentration of exhaust gas through the reciprocating motion of the sliding guide frame, allowing harmful substances in the exhaust gas to be effectively adsorbed by the molecular sieve plate, while also ensuring the stability of the equipment during long-term operation.

[0009] In a preferred example, the present invention can be further configured as follows: a cooling box is provided on the exhaust gas inlet surface for heating and introducing the exhaust gas from automobile body painting; the exhaust gas inlet, treatment chamber and clean gas outlet form an exhaust gas passage, allowing the exhaust gas to be adsorbed and purified through the surface of each molecular sieve plate one by one.

[0010] Through the above technical solution: the cooling box can effectively reduce the temperature of the exhaust gas, so that harmful substances in the exhaust gas can be more easily adsorbed by the molecular sieve plate, thereby enhancing the effect of exhaust gas purification.

[0011] In a preferred example, the present invention can be further configured as follows: the clean gas inlet is equipped with a one-way air inlet valve for one-way input of pure gas, and a gas heater is provided on the surface for cooling the pure gas, and the clean gas inlet is connected to the interior of the processing chamber and an annular air inlet hole is provided at the connection point.

[0012] Through the above technical solution: the coordinated use of the one-way air inlet valve and the gas heater enables pure gas to enter the equipment stably, and by lowering the temperature of the gas, the exhaust gas purification process is optimized.

[0013] In a preferred example, the present invention can be further configured as follows: a number of the sliding guide frames are evenly distributed in the circumferential direction, and adjacent sliding guide frames slide and abut against the surface of the cylinder ring to form independent cavities, and the volume of each independent cavity changes with the eccentric swing of the cylinder ring; the exhaust through hole is connected to each independent cavity one by one.

[0014] Through the above technical solution: the uniform distribution of the sliding guide frame and the eccentric movement of the cylinder ring can form multiple independent cavities, and the volume change in the cavity can enable the exhaust gas to be more efficiently desorbed and concentrated inside the equipment.

[0015] In a preferred example, the present invention can be further configured as follows: the rotary valve core is fixedly connected to the end of the shaft and rotates synchronously with the shaft, the outer wall of the rotary valve core slides against the surface of the exhaust end cover to seal the exhaust through hole port, and the valve port is located on the side deviated from the center of the cylinder ring to open a single exhaust through hole to release gas.

[0016] Through the above technical solution: the design of the rotary valve core ensures the precise control of the exhaust through hole, so that the exhaust gas can be released in one direction when needed, avoiding the backflow and leakage of the exhaust gas.

[0017] In a preferred example, the present invention can be further configured as follows: the outer periphery of the one-way valve plate slides against the inner side of the arc slide groove and the two sides of the sliding guide frame are connected to the inner side of the processing chamber, which is used to guide the exhaust gas through the one-way valve plate and the molecular sieve plate surface. The one-way valve plate surface is provided with a number of valve controls and deflectable valve plates, which are used to unidirectionally guide the airflow from the exhaust gas inlet to the clean gas outlet inside the circulation channel.

[0018] Through the above technical solution: the design of the one-way valve plate ensures the unidirectionality of the exhaust gas flow, thereby effectively improving the efficiency of exhaust gas purification and avoiding the reverse flow of the airflow.

[0019] In a preferred example, the present invention can be further configured as follows: the clockwork spring is in the shape of a flat spiral clockwork spring, and the two sections of the clockwork spring are respectively fixed to the inner side of the concentrated processing box and the end of the shaft pin, and are used to drive the shaft pin and the sliding guide frame to deflect, so that one side of the sliding guide frame always maintains elastic contact with the surface of the cylinder ring.

[0020] Through the above technical solution: the elastic force provided by the clockwork spring ensures that the sliding guide frame can always be in close contact with the surface of the cylinder ring, thereby ensuring the continuous and efficient operation of the equipment during long-term operation.

[0021] In a preferred example, the present invention can be further configured as follows: the molecular sieve plate is composed of a plurality of honeycomb structure units, is used to effectively adsorb harmful substances in the exhaust gas, and has good air permeability and chemical adsorption performance.

[0022] Through the above technical solution: the honeycomb structure molecular sieve plate has a higher surface area and stronger adsorption capacity, which can effectively remove harmful substances in the exhaust gas and maintain good air flow permeability, ensuring the purification effect while improving work efficiency.

[0023] The rotary concentrator for automobile body painting exhaust gas, designed with sophisticated design and optimized structural components, achieves more efficient and stable exhaust gas purification and component recovery. The unique design and functionality of each component ensures that exhaust gas is fully purified and useful components are effectively recovered during the treatment process, significantly improving the equipment's purification efficiency and resource recovery capabilities, promising broad industrial applications.

[0024] The beneficial effects achieved by the present invention are: 1. This invention achieves efficient adsorption and purification of harmful components in exhaust gas through precise airflow control and the efficient adsorption of the molecular sieve plates. In particular, the dual treatment of the exhaust gas by the cooling chamber and the molecular sieve plates significantly reduces the pollutant content in the exhaust gas, thereby significantly improving purification efficiency. The design of eccentric motion and cavity volume changes allows for the effective desorption and concentration of recyclable components in the exhaust gas on the molecular sieve plate surface. This recovery process not only improves exhaust gas purification efficiency but also effectively recovers valuable components from the exhaust gas.

[0025] 2. In the present invention, the eccentric movement of the cylinder ring causes the volume changes of multiple cavities, and this volume change forms a dynamic effect of the exhaust gas flow. The airflow enters when the volume of the cavity increases. As the volume decreases, the pressure of the airflow is increased, forcing the exhaust gas to pass through the sliding guide frame and the molecular sieve plate. Because when the airflow passes through the molecular sieve plate, the low-speed and high-temperature airflow can more effectively desorb the adsorbed harmful substances from the surface of the molecular sieve plate. Repeated passage through the molecular sieve plate not only improves the desorption effect, but also enhances the recovery efficiency of the recyclable components in the exhaust gas. After the harmful components in the exhaust gas are desorbed on the surface of the molecular sieve plate, they can be recycled again, thereby improving the efficiency of resource recovery.

[0026] 3. In this invention, the eccentric motion of the cylinder ring drives the airflow to be split and repeatedly passed through the slide guide frame and molecular sieve plates, enabling continuous operation of the equipment with low energy consumption and reducing equipment downtime. Because the airflow can pass through the molecular sieve plates multiple times, the molecular sieve plates can maintain their efficient purification capacity for a longer period of time, extending the service life of the equipment and reducing maintenance frequency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 A schematic diagram of the decomposed structure of an embodiment of the present invention; Figure 3 This is a schematic diagram of the internal structure of the circulation channel and the processing chamber according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the installation structure of a dynamic screen group according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the exhaust end cover and the rotary valve core structure according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the main shaft assembly and exhaust end cover structure of an embodiment of the present invention; Figure 7 This is a structural schematic diagram of a moving screen group according to an embodiment of the present invention; Figure 8 This is a schematic structural diagram of a one-way valve plate and a molecular sieve plate according to an embodiment of the present invention.

[0028] Reference numerals: 100, concentration treatment box; 110, air inlet cover; 120, exhaust cover; 130, clean air outlet; 140, exhaust gas inlet; 101, circulation channel; 102, treatment chamber; 103, arc chute; 111, clean air inlet; 112, gas heater; 121, exhaust hole; 122, rotary valve core; 123, valve port; 141, cooling box; 200, main shaft assembly; 210, shaft; 220, crank pulley; 230, cylinder sleeve ring; 221, stop pulley; 300, moving screen group; 310, shaft pin; 320, sliding guide frame; 330, clockwork spring; 340, molecular sieve plate; 311, rotating ear plate; 321, one-way valve plate. DETAILED DESCRIPTION

[0029] To make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be noted that the embodiments of the present invention and the features therein can be combined with each other without conflict.

[0030] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention.

[0031] The following is combined with Figures 1-8 The present invention describes a rotary wheel concentration device for automobile body painting exhaust gas provided in some embodiments.

[0032] Implementation Method 1 The automobile body painting exhaust gas rotary concentrating device includes a concentrating treatment box 100, a main shaft assembly 200, and a dynamic screen assembly 300. An air intake end cover 110 and an exhaust end cover 120 are respectively provided on both sides of the concentrating treatment box 100. A circulation channel 101 and a treatment chamber 102 are provided inside the concentrating treatment box 100. The circulation channel 101 surrounds and sleeves the outer periphery of the treatment chamber 102. A clean air outlet 130 and an exhaust gas inlet 140, which are connected to both ends of the circulation channel 101, are fixedly connected to the surface of the concentrating treatment box 100. The dynamic screen group 300 includes an axle pin 310, a sliding guide frame 320 and a clockwork spring 330 fixed to the surface of the concentration processing box 100. The axle pin 310 is rotatably installed on the inner side of the concentration processing box 100 and one end is provided with a rotating ear plate 311 fixedly connected to the surface of the sliding guide frame 320. The inner side of the sliding guide frame 320 is clamped with a one-way valve plate 321 and a molecular sieve plate 340. The inner side of the concentration processing box 100 is provided with a number of evenly distributed arc grooves 103, and the sliding guide frame 320 is slidably installed on the inner side of the arc groove 103. One end of the axle pin 310 is connected to the end of the clockwork spring 330.

[0033] A clean air inlet 111 is provided on the surface of the concentration treatment box 100, and a plurality of exhaust through holes 121 are arranged on the surface of the exhaust end cover 120. A rotary valve core 122 is rotatably installed on the inner side of the exhaust end cover 120, and a valve port 123 is provided on the surface of the rotary valve core 122. A cooling box 141 is provided on the surface of the exhaust gas inlet 140 for heating and introducing the exhaust gas from automobile body painting. The exhaust gas inlet 140, the treatment chamber 102 and the clean air outlet 130 form an exhaust gas passage, so that the exhaust gas is adsorbed and purified through the surface of each molecular sieve plate 340 one by one.

[0034] The rotary valve core 122 is fixedly connected to the end of the shaft 210 and rotates synchronously with the shaft 210. The outer wall of the rotary valve core 122 slides against the surface of the exhaust end cover 120 to seal the exhaust through hole 121 port. The valve port 123 is located on the side of the cylinder ring 230 that deviates from the center of the circle and is used to open a single exhaust through hole 121 to release gas; the clean gas inlet 111 has a built-in one-way air intake valve for one-way input of pure gas, and a gas heater 112 is provided on the surface for cooling the pure gas. The clean gas inlet 111 is connected to the interior of the processing chamber 102 and an annular air inlet hole is provided at the connection point.

[0035] A number of sliding guide frames 320 are evenly distributed in the circumferential direction, and adjacent sliding guide frames 320 are in sliding contact with the surface of the cylinder ring 230 to form independent cavities, and each independent cavity forms a volume change as the cylinder ring 230 swings eccentrically; the exhaust through-hole 121 is connected to each independent cavity one by one; the main shaft group 200 includes a shaft rod 210, a crank wheel 220 and a cylinder ring 230 rotatably sleeved on the outside of the crank wheel 220, and the surface of the crank wheel 220 is provided with a wheel 221 that is in sliding contact with the inner side of the cylinder ring 230, and the center of the cylinder ring 230 deviates from the axis of the shaft rod 210.

[0036] The outer periphery of the one-way valve plate 321 slides against the inner side of the arc chute 103, and both sides of the sliding guide frame 320 are connected to the inner side of the processing chamber 102, which is used to guide the exhaust gas through the one-way valve plate 321 and the surface of the molecular sieve plate 340. The surface of the one-way valve plate 321 is provided with a plurality of valve controls and deflectable valve discs, which are used to guide the air flow in a one-way direction from the exhaust gas inlet 140 to the clean gas outlet 130 inside the circulation channel 101; The spring 330 is a flat spiral spring, with its ends fixed to the inside of the enrichment cartridge 100 and the end of the pin 310, respectively. It drives the pin 310 and the guide frame 320 to deflect, ensuring that one side of the guide frame 320 maintains elastic contact with the surface of the cylinder collar 230. The molecular sieve plate 340, composed of multiple honeycomb structural units, effectively absorbs harmful substances from the exhaust gas.

[0037] This embodiment describes in detail the operating principle, structure, and usage of a rotary concentrator for automobile body painting exhaust gas. The device comprises a concentrating treatment box 100, a spindle assembly 200, and a dynamic screen assembly 300. These components work together to efficiently purify exhaust gas and recover usable components.

[0038] The concentrated processing box 100 is a sealed shell structure with an air inlet cover 110 and an exhaust cover 120 on both sides. Inside the box body, there is a processing chamber 102 and a surrounding circulation channel 101, which form an annular arrangement and constitute the core space of the airflow processing path.

[0039] The surface of the concentration treatment box is provided with: an exhaust gas inlet 140: connected to the exhaust outlet of the external body spraying process through a cooling box 141, used to introduce high-temperature exhaust gas; a clean gas outlet 130: connected to the outlet end of the circulation channel 101, and discharges the treated and purified gas; Clean gas inlet 111: used to introduce high-temperature pure gas to complete the regeneration of the molecular sieve. A one-way air inlet valve and a gas heater 112 are provided at the inlet to ensure one-way flow and temperature treatment of the gas. A plurality of exhaust holes 121 are provided on the surface of the exhaust end cover 120, on the inner side of which a rotary valve core 122 is rotatably installed. A valve port 123 is provided on the surface of the valve core to control the on and off of gas discharge. The rotary valve core 122 is fixed to the end of the main shaft rod 210 and rotates synchronously with the shaft. The outer wall of the valve core and the inner surface of the end cover maintain a sliding seal to ensure that the exhaust hole is closed in the non-open state, thereby avoiding leakage; when the valve port 123 rotates to a certain hole position, the cavity is opened for exhaust.

[0040] The main shaft assembly 200 includes a shaft 210, a crank wheel 220, and an eccentrically rotatable cylinder ring 230. The crank wheel 220 is fixedly mounted in the middle of the shaft 210, and the cylinder ring 230 is eccentrically sleeved on the outside of the crank wheel 220, with its center offset from the axis of the shaft 210, forming an eccentric mechanism.

[0041] Driven by the motor, the shaft 210 drives the crank wheel 220 to rotate, thereby causing the cylinder ring 230 to perform eccentric rotation. The outer surface of the cylinder ring 230 forms a sliding contact with the multiple sliding guide frames 320 in the dynamic screen group, driving the sliding guide frames to slide back and forth through its eccentric path.

[0042] The dynamic screen group 300 includes several sliding guide frames 320 symmetrically distributed in the circumferential direction. Each sliding guide frame is rotatably connected to the inner wall of the concentration processing box 100 through an axle pin 310, and a spring spring 330 at one end exerts a rebound force, always maintaining elastic contact with the outer wall of the cylinder ring 230.

[0043] The sliding guide frame 320 slides along the inner arc groove 103, and is internally provided with: a one-way valve plate 321 for realizing directional flow guidance of exhaust gas; and a molecular sieve plate 340 with a honeycomb structure responsible for adsorbing VOCs and other harmful substances in the exhaust gas.

[0044] The eccentric movement of the cylinder ring 230 forms multiple closed variable cavities. Each cavity is surrounded by adjacent sliding guide frames 320 and the cylinder ring 230. Its volume changes dynamically with the rotation of the cylinder ring, pushing the airflow through the molecular sieve plate 340 to realize the adsorption-desorption cycle.

[0045] In this embodiment, the sliding guide frames 320 are evenly distributed along the circumference. Adjacent sliding guide frames 320 slide against the surface of the cylinder collar 230 to form independent cavities, whose volumes change with the eccentric movement of the cylinder collar 230. Exhaust holes 121 communicate with each independent cavity in a one-to-one correspondence, ensuring sufficient purification and component recovery during exhaust gas flow.

[0046] Driven by the motor, the shaft 210 and crank pulley 220 rotate, in turn driving the cylinder ring 230 to perform eccentric motion. This eccentric motion propels the slide guide frame 320 to slide back and forth within the arc chute 103, allowing the exhaust gas to pass through the cooling box 141 and into the circulation channel 101. The exhaust gas then flows along the inside of the circulation channel 101, ultimately passing through the multiple molecular sieve plates 340 for adsorption and purification. The purified exhaust gas is then discharged through the clean gas outlet 130.

[0047] Furthermore, the eccentric movement of cylinder ring 230 forms multiple variable-volume cavities between adjacent cylinder rings 230. The volumetric changes in these cavities force the exhaust gas to pass through molecular sieve plates 340 multiple times under the influence of the airflow for desorption and concentration. During this process, the low-speed, high-temperature airflow effectively desorbs recyclable components adsorbed in the exhaust gas, which are then discharged through rotary valve core 122.

[0048] Rotating valve core 122 is fixedly connected to the end of shaft 210 and rotates synchronously with shaft 210. The outer wall of rotating valve core 122 slides against the surface of exhaust end cap 120, sealing exhaust hole 121 and preventing leakage of exhaust gas during the treatment process. When exhaust gas needs to be released, the position of rotating valve core 122 is adjusted to open valve port 123, allowing gas to be discharged through exhaust hole 121.

[0049] The surface of the one-way valve plate 321 is equipped with several valve-controlled and deflectable valve discs, which can control the one-way passage of airflow according to the needs of the airflow. As the exhaust gas flows through the circulation channel 101, it passes through the surfaces of the one-way valve plate 321 and the molecular sieve plate 340, effectively purifying and desorbing harmful components in the exhaust gas. The deflection of the valve discs enhances the flexibility and effectiveness of the exhaust gas flow.

[0050] The spring 330 is a flat, spiral spring, with its ends fixed to the inside of the enrichment cartridge 100 and the end of the pin 310, respectively. It is used to drive the pin 310 and the guide frame 320 to deflect. The elastic force provided by the spring 330 ensures that the guide frame 320 always maintains close contact with the surface of the cylinder collar 230, thereby ensuring that the equipment continues to operate efficiently over long periods of time.

[0051] The molecular sieve plate 340 is composed of multiple honeycomb structural units, providing a high surface area and enhanced adsorption capacity. It effectively absorbs harmful substances from exhaust gas while maintaining good airflow and permeability. This not only ensures the removal of harmful substances from exhaust gas, but also maintains a stable purification effect, extending the service life of the equipment.

[0052] Implementation Method 2 Based on the first embodiment, this embodiment makes several improvements to the equipment, increases the adjustability of the exhaust gas purification and desorption effects, and optimizes the airflow control system.

[0053] In this embodiment, the spindle assembly 200 is equipped with an adjustable crank wheel 220. By adjusting the eccentric motion amplitude of the crank wheel 220, the eccentric motion range of the cylinder collar 230 can be varied, thereby optimizing the motion frequency and amplitude of the sliding guide frame 320 within the arc chute 103. This improvement allows for flexible adjustment of the equipment to meet varying exhaust gas treatment requirements, thereby improving exhaust gas treatment efficiency.

[0054] This embodiment improves the molecular sieve plate 340 in the dynamic sieve assembly 300 by incorporating a more efficient adsorption material, enabling the molecular sieve plate 340 to adsorb a greater number of exhaust gas components. Furthermore, an adjustable valve plate is added to the one-way valve plate 321, allowing the airflow channel to be adjusted according to changes in exhaust gas flow, thereby improving the stability and flexibility of exhaust gas treatment.

[0055] This embodiment optimizes the structure of the exhaust gas inlet 140 and the processing chamber 102, allowing the exhaust gas to be more evenly distributed upon entering the device, thereby improving the contact efficiency between the exhaust gas and the molecular sieve plates 340. After passing through the cooling box 141, the exhaust gas can flow more evenly to each molecular sieve plate 340, ensuring that pollutants in the exhaust gas are fully adsorbed and removed.

[0056] This invention provides a highly efficient rotary concentrator for automobile body painting exhaust gas. Through its unique structural design and operating principle, it effectively purifies exhaust gas and recovers usable components. By optimizing and improving various components of the device, this invention not only improves exhaust gas treatment efficiency but also allows for flexible adjustments based on actual needs and adaptability to diverse operating environments.

[0057] The working principle and use process of the present invention: Driven by the motor, the shaft 210 and crank pulley 220 rotate, in turn driving the cylinder ring 230 to perform eccentric motion within the processing chamber 102. This eccentric motion propels the sliding guide frame 320 to slide back and forth within the corresponding arc chute 103, causing the sliding guide frame 320 to continuously reciprocate within the circulation channel 101 and the processing chamber 102. This process cools the exhaust gas through the cooling box 141 before entering the circulation channel 101 and moving along the inside of the circulation channel 101. Finally, it is adsorbed by multiple molecular sieve plates 340, completing the exhaust gas purification. The purified exhaust gas is output through the clean gas outlet 130, and the recyclable components in the exhaust gas are trapped on the surface of the molecular sieve plates 340.

[0058] Furthermore, during the eccentric movement of the cylinder ring 230, multiple variable-volume cavities are formed between adjacent cylinder rings 230. As the cylinder ring 230 moves eccentrically, the volume of these cavities changes. When the volume increases, a low-speed airflow heated by the gas heater 112 is introduced at one end of the air inlet. Under the eccentric movement of the cylinder ring 230, this airflow squeezes the volume of the variable-volume cavities, reducing them and forcing the airflow through the one-way valve plate 321 and the molecular sieve plate 340. As the high-temperature, low-speed airflow passes through the molecular sieve plate 340, it effectively removes recyclable components from the desorbed exhaust gas. This airflow is ultimately discharged through the open exhaust through-hole 121 and valve port 123.

[0059] As the shaft 210 rotates, the valve core 122 rotates synchronously. The rotation of the cylinder ring 230 compresses a specific chamber, increasing the pressure of the airflow within it. Part of the airflow passes through the molecular sieve plate 340 and moves to the lower chamber, while the remaining airflow escapes through the open exhaust hole 121 and valve port 123. Driven by the cylinder ring 230, part of the airflow repeatedly passes through multiple molecular sieve plates 340 for desorption, thereby improving the desorption efficiency and effectively enhancing the concentration effect. Specifically, as the volume of the chamber between the sliding guide frame 320 increases, the low-speed, high-temperature airflow is introduced into the individual chambers within the processing chamber 102 through the annular air inlet. As the cylinder ring 230 rotates, part of the airflow passes through the molecular sieve plate 340 and moves to the lower chamber, while the remaining airflow escapes through the open exhaust hole 121 and valve port 123, achieving efficient desorption.

[0060] Throughout this specification, terms such as "one embodiment," "some embodiments," and "specific embodiments" mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, illustrative uses of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0061] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. A rotary concentrator for automobile body painting exhaust gas, characterized in that: include: A concentration processing box (100), a main shaft group (200) and a moving screen group (300), wherein the concentration processing box (100) is provided with an air inlet end cover (110) and an exhaust end cover (120) on both sides thereof, and a circulation channel (101) and a processing chamber (102) are provided on the inner side of the concentration processing box (100), and the circulation channel (101) is sleeved around the outer periphery of the processing chamber (102), and a clean air outlet (130) and an exhaust gas inlet (140) which are in communication with both ends of the circulation channel (101) are fixedly connected to the surface of the concentration processing box (100); The dynamic screen group (300) includes an axle pin (310), a sliding guide frame (320) and a spring spring (330) fixed to the surface of the concentration treatment box (100), wherein the axle pin (310) is rotatably mounted on the inner side of the concentration treatment box (100) and one end of the axle pin is provided with a rotating ear plate (311) fixedly connected to the surface of the sliding guide frame (320), and the inner side of the sliding guide frame (320) is provided with a one-way valve plate (321) and a molecular sieve plate (340) in a clamping manner, and the inner side of the concentration treatment box (100) is provided with a plurality of evenly distributed arc grooves (103), and the sliding guide frame (320) is slidably mounted on the inner side of the arc grooves (103), and one end of the axle pin (310) is connected to the end of the spring spring (330).

2. The exhaust gas rotor concentrating equipment for automobile body painting according to claim 1, characterized in that: The surface of the concentration treatment box (100) is provided with a clean air inlet (111), and the surface of the exhaust end cover (120) is provided with a plurality of exhaust through holes (121). A rotary valve core (122) is rotatably mounted inside the exhaust end cover (120), and a valve port (123) is provided on the surface of the rotary valve core (122); A cooling box (141) is provided on the surface of the exhaust gas inlet (140) for heating and introducing exhaust gas from automobile body painting. The exhaust gas inlet (140), the processing chamber (102) and the clean gas outlet (130) form an exhaust gas passage, allowing the exhaust gas to pass through the surface of each molecular sieve plate (340) one by one for adsorption and purification.

3. The exhaust gas rotor concentrating equipment for automobile body painting according to claim 2, characterized in that: The rotary valve core (122) is fixedly connected to the end of the shaft (210) and rotates synchronously with the shaft (210). The outer wall of the rotary valve core (122) slides against the surface of the exhaust end cover (120) to seal the exhaust through hole (121). The valve port (123) is located on a side of the cylinder ring (230) that deviates from the center of the circle and is used to open a single exhaust through hole (121) to release gas.

4. The exhaust gas rotor concentrating equipment for automobile body painting according to claim 1, characterized in that: The clean gas inlet (111) has a built-in one-way air inlet valve for one-way input of clean gas, and a gas heater (112) is provided on the surface for cooling the clean gas. The clean gas inlet (111) is connected to the interior of the processing chamber (102), and an annular air inlet hole is provided at the connection point.

5. The exhaust gas rotor concentrating equipment for automobile body painting according to claim 3, characterized in that: The plurality of sliding guide frames (320) are evenly distributed in the circumferential direction, and adjacent sliding guide frames (320) slide against the surface of the cylinder sleeve ring (230) to form independent cavities, and the volume of each independent cavity changes with the eccentric swing of the cylinder sleeve ring (230); the exhaust through holes (121) are connected to each independent cavity in a one-to-one correspondence.

6. The exhaust gas rotor concentrating equipment for automobile body painting according to claim 1, characterized in that: The main shaft assembly (200) comprises a shaft (210), a crank wheel (220), and a cylinder sleeve ring (230) rotatably sleeved on the outside of the crank wheel (220); a surface of the crank wheel (220) is provided with a contact wheel (221) that is in sliding contact with the inside of the cylinder sleeve ring (230); and the center of the cylinder sleeve ring (230) deviates from the axis of the shaft (210).

7. The exhaust gas rotor concentrating equipment for automobile body painting according to claim 1, characterized in that: The outer periphery of the one-way valve plate (321) is in sliding contact with the inner side of the arc slide groove (103), and both sides of the sliding guide frame (320) are connected to the inner side of the processing chamber (102), and are used to guide the exhaust gas through the one-way valve plate (321) and the surface of the molecular sieve plate (340). The surface of the one-way valve plate (321) is provided with a plurality of valve controls and deflectable valve plates, which are used to guide the air flow in a one-way direction from the exhaust gas inlet (140) to the clean gas outlet (130) inside the circulation channel (101).

8. The exhaust gas rotor concentrating equipment for automobile body painting according to claim 1, characterized in that: The clockwork spring (330) is in the shape of a flat spiral clockwork spring, and two sections of the clockwork spring (330) are respectively fixed to the inner side of the concentration treatment box (100) and the end of the shaft pin (310), and are used to drive the shaft pin (310) and the sliding guide frame (320) to deflect, so that one side of the sliding guide frame (320) always maintains elastic contact with the surface of the cylinder ring (230).

9. The exhaust gas rotor concentrating equipment for automobile body painting according to claim 1, characterized in that: The molecular sieve plate (340) is composed of a plurality of honeycomb structure units and is used to effectively adsorb harmful substances in exhaust gas.

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