Zeolite rotating wheel adsorption and desorption purification waste gas treatment device

Abstract

The utility model discloses a zeolite rotating wheel adsorption and desorption purification waste gas treatment device, and belongs to the field of waste gas treatment. A zeolite rotating wheel adsorption and desorption purification waste gas treatment device comprises a filter box internally provided with a zeolite rotating wheel module and at least two filter screens arranged in the filter box, an ash receiving disc is arranged below the plane where the filter screens are located, and the zeolite rotating wheel adsorption and desorption purification waste gas treatment device further comprises a driving rod arranged at the air inlet ends of the filter screens in a sliding mode. The driving rod slides in the vertical direction of the plane where the filter screen is located, the wing plate is rotationally connected to the driving rod, the cleaning head is arranged at the free end of the wing plate, and when the driving rod slides, the cleaning head gets close to or away from the center of the plane where the filter screen is located. The cleaning system is independent of the filter screen, so that the whole protective cover or the filter screen assembly does not need to be disassembled when the filter screen is cleaned, and the maintenance time and cost are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a zeolite wheel adsorption and desorption purification waste gas treatment device. Background Technique

[0002] The working principle of the zeolite wheel is based on the adsorption performance of the zeolite material. The wheel is composed of multiple zeolite molecular sieves, and the continuous processes of adsorption and desorption are realized through rotation. The zeolite wheel adsorption and desorption purification waste gas treatment device can be divided into a treatment area, a regeneration area, and a cooling area. Each area is separated by a sealing material with high heat resistance, corrosion resistance, and wear resistance. After the VOCs organic waste gas passes through a pre-filter, it enters the treatment area of the wheel. In the treatment area, the VOCs are adsorbed by the zeolite molecular sieve, and the purified air is discharged from the treatment area. The VOCs adsorbed on the wheel are desorbed and concentrated by hot air treatment in the regeneration area, and the concentration can be increased by 5-15 times. The wheel is cooled in the cooling area for the next round of adsorption. The cooled air is heated and used as regeneration air to achieve energy-saving effects.

[0003] After retrieval, the patent with the Chinese patent authorization number CN220878290U discloses a zeolite concentrator wheel device with a multi-stage filtration structure, including a bottom plate. Fixed blocks are respectively processed on the top surface of the bottom plate, connecting rods are respectively connected to the tops of the fixed blocks, and the tops of the connecting rods are respectively fixed to the bottom surface of the top plate. An installation plate is arranged between the bottom plate and the top plate. A concentrator wheel body is installed on the right side of the installation plate. A transmission belt is connected to the outer surface of the concentrator wheel body, a transmission wheel is connected to the bottom of the transmission belt, and a driving motor is connected to the right end of the transmission wheel. The waste gas in the waste gas pipe can be filtered in multiple stages through the first filter box and the second filter box, and the moisture in the waste gas can be absorbed by the silica gel water absorption layer in the water absorption box to prevent the moisture in the waste gas from blocking the adsorption holes in the concentrator wheel. Moreover, the silica gel water absorption layer with a ventilation structure will not hinder the flow of the waste gas.

[0004] The filtering device in the above patent has the following deficiencies: When the existing zeolite wheel filtering device filters the waste gas, it is necessary to set a multi-stage dry filter at the front end of the zeolite wheel to preliminarily filter the particles and dust in the waste gas to prevent the internal zeolite wheel from being blocked. However, the front filter plates are all fixedly arranged inside the box body. Due to the multi-stage setting of the filter plates, it is very inconvenient to clean and disassemble, resulting in a relatively high equipment maintenance cost. Content of the Utility Model

[0005] The purpose of the utility model is to solve the problems of difficult cleaning of the front filter plate and relatively high maintenance cost in the prior art, and to propose a zeolite wheel adsorption and desorption purification waste gas treatment device.

[0006] To achieve the above object, the utility model adopts the following technical solutions:

[0007] A zeolite wheel adsorption and desorption purification waste gas treatment device, including a filter box with a zeolite wheel module built therein and a filter screen disposed in the filter box. There are at least two filter screens. A dust collection tray is disposed below the plane where the filter screens are located. It further includes: a driving rod slidably disposed at the air inlet end of the filter screen. When the waste gas passes through the filter box, the driving rod slides along the vertical direction of the plane where the filter screen is located; a wing plate rotatably connected to the driving rod, and a cleaning head is disposed at the free end of the wing plate. Wherein, the wing plate has an included angle with the plane of the filter plate. When the driving rod slides, the cleaning head moves closer to or away from the center along the plane where the filter screen is located.

[0008] Preferably, a protective cover is disposed outside the filter screen. A plurality of partition plates are disposed on the surface of the protective cover. Slide rails are disposed on the outer walls of the partition plates. A plurality of the cleaning heads are all connected through mounting blocks, and the mounting blocks are slidably mounted on the slide rails.

[0009] To facilitate dust cleaning, preferably, a slider is disposed below the dust collection tray. The slider is slidably mounted in a limiting groove opened inside the filter box. A handle is disposed on one side of the dust collection tray that penetrates out of the filter box.

[0010] To make the driving rod move perpendicular to the filter screen, further, a plurality of sliding grooves are disposed on both sides of the inner wall of the filter box. A limiting rod is disposed inside the sliding grooves. A sliding plate is slidably mounted on the outer wall of the limiting rod. The sliding plates 44 are fixedly connected to both ends of the driving rod 45. A spring 43 is connected to the outer wall of the sliding plate 44, and the other end of the spring 43 is fixedly connected to the inner wall of the sliding groove 41.

[0011] To automatically clean the filter screen, still further, a spring is connected to the outer wall of the sliding plate. The other end of the spring is fixedly connected to the inner wall of the sliding groove. The sliding plate is fixedly connected to the driving rod. The driving rod is fixedly connected with a wind shield through a connecting head disposed on the outer wall. The wind shield is disposed inside the air inlet opened in the filter box.

[0012] Still further, the wing plate includes an upper wing plate and a lower wing plate, and the included angle between the upper wing plate and the lower wing plate is greater than 0° and less than 180°. The cleaning head is movably mounted at the free end of the wing plate through a connecting rod. A brush is disposed outside the cleaning head, and the brush is attached to the surface of the filter screen.

[0013] To make the air flow concentrate and pass through, still further, a flow collecting plate is disposed between adjacent filter screens. The outer wall of the flow collecting plate is set as an inwardly inclined inverted trapezoidal smooth surface, and a ventilation opening on the same horizontal line as the air inlet is opened in the middle of the flow collecting plate.

[0014] Furthermore, a blower for sucking waste gas is provided behind several filter meshes of the filter box. An air inlet plate and a zeolite wheel module are sequentially arranged behind the blower. The air inlet plate is used to control the waste gas to enter the adsorption area of the zeolite wheel module.

[0015] Compared with the prior art, the utility model provides a zeolite wheel adsorption and desorption purification waste gas treatment device, which has the following beneficial effects:

[0016] 1. For the zeolite wheel adsorption and desorption purification waste gas treatment device, the maintainability of the device is improved by setting the ash cleaning component. Since the cleaning system is independent of the filter mesh, it is not necessary to disassemble the entire protective cover or the filter mesh component when cleaning the filter mesh, thus saving maintenance time and cost. At the same time, the design of the protective cover and the partition plate also facilitates the cleaning of the accumulated dust and sundries, keeping the device clean and hygienic.

[0017] 2. For the zeolite wheel adsorption and desorption purification waste gas treatment device, the ash receiving tray is set as a rhombic quadrilateral, so that the dust can be effectively guided into the ash receiving tray through the inclined surface on the right side to prevent accumulation at the ash inlet. The inclined surface on the left side can cooperate with the wind force to blow the dust scattered outside inward and fall back into the ash receiving tray again. And after multiple uses, only need to pull out the ash receiving tray through the handle to clean the internal dust, without disassembling the box body to improve the maintenance efficiency.

[0018] 3. For the zeolite wheel adsorption and desorption purification waste gas treatment device, through the cooperation between the blower and the ash cleaning component, the wind pressure generated by the blower sucking the waste gas is used to drive the ash cleaning component to clean the filter mesh, thus saving the use of energy and reducing the maintenance cost.

[0019] The parts not involved in this device are the same as the prior art or can be implemented by using the prior art. The utility model not only improves the efficiency and quality of waste gas treatment, but also enhances the maintainability and reliability of the device, making the device have self-cleaning ability. Description of the Drawings

[0020] Figure 1 It is a schematic structural diagram of a zeolite wheel adsorption and desorption purification waste gas treatment device proposed by the utility model;

[0021] Figure 2 It is a schematic internal structure diagram of a zeolite wheel adsorption and desorption purification waste gas treatment device proposed by the utility model Figure 1 ;

[0022] Figure 3 It is a schematic internal structure diagram of a zeolite wheel adsorption and desorption purification waste gas treatment device proposed by the utility model Figure 2 ;

[0023] Figure 4Schematic diagram of the bottom structure of the ash receiving tray inside a zeolite wheel adsorption and desorption purification waste gas treatment device proposed by the present utility model;

[0024] Figure 5 Schematic diagram of the partition structure inside a zeolite wheel adsorption and desorption purification waste gas treatment device proposed by the present utility model;

[0025] Figure 6 Schematic diagram of the ash cleaning assembly structure inside a zeolite wheel adsorption and desorption purification waste gas treatment device proposed by the present utility model.

[0026] In the figure: 1, filter box; 11, air inlet; 12, limit groove; 2, protective cover; 21, slide rail; 22, filter net; 3, ash receiving tray; 31, slider; 32, handle; 4, ash cleaning assembly; 41, chute; 42, limit rod; 43, spring; 44, slide plate; 45, driving rod; 46, upper wing plate; 47, lower wing plate; 48, connecting rod; 49, cleaning head; 410, brush; 411, mounting block; 412, connecting head; 413, wind baffle; 5, current collecting plate; 51, ventilation opening; 6, fan; 7, air inlet plate; 8, zeolite wheel module. Specific implementation manners

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0029] Embodiment:

[0030] Refer to Figures 1-6, A zeolite wheel adsorption and desorption purification waste gas treatment device, including a filter box 1 with a zeolite wheel module 8 built-in and a filter net 22 arranged in the filter box 1. The zeolite wheel module 8 utilizes the porosity and strong adsorption capacity of the zeolite material to effectively adsorb harmful substances in the waste gas. The zeolite wheel realizes the alternation of adsorption and desorption through rotation, that is, it adsorbs pollutants in the waste gas in the adsorption area, and then rotates to the desorption area for regeneration treatment, so as to maintain its continuous adsorption capacity. There are at least two filter nets 22, and a dust cleaning component 4 is arranged on the outside of each filter net 22. Setting multiple layers of filter nets 22 in the filter box 1 can effectively intercept large particle pollutants in the waste gas and protect the subsequent zeolite wheel module 8 from damage. The design of the multiple layers of filter nets 22 improves the filtration efficiency and prolongs the service life of the equipment. A fan 6 for sucking waste gas is arranged behind several filter nets 22 in the filter box 1. An air inlet plate 7 and a zeolite wheel module 8 are arranged in sequence behind the fan 6. The air inlet plate 7 is used to control the waste gas to enter the adsorption area of the zeolite wheel module 8. The fan 6 provides power for waste gas treatment and sucks the waste gas into the system. The air inlet plate 7 precisely controls the flow direction of the waste gas to ensure that the waste gas can evenly enter the adsorption area of the zeolite wheel and improve the adsorption efficiency. A dust collection tray 3 is arranged below the plane where the filter net 22 is located. The dust collection tray 3 is designed in a rhombic quadrilateral shape. The inclined surface on the right effectively guides the dust into the interior of the dust collection tray 3 to prevent accumulation at the dust inlet. The inclined surface on the left can cooperate with the wind force to blow the dust scattered on the outside inward and fall back into the interior of the dust collection tray 3 again. The dust cleaning component 4 further includes a driving rod 45 slidably arranged at the air inlet end of the filter net 22. When the waste gas passes through the filter box 1, the driving rod 45 slides along the vertical direction of the plane where the filter net 22 is located. A wing plate rotatably connected to the driving rod 45, and a cleaning head 49 is arranged at the free end of the wing plate. Among them, the wing plate has an included angle with the plane where the filter net 22 is located, and the included angle between the upper wing plate 46 and the lower wing plate 47 is greater than 0° and less than 180°. When the driving rod 45 slides, the cleaning head 49 approaches or moves away from the center along the plane where the filter net 22 is located. The dust collection tray 3 is used to collect the dust and particulate matter falling during the filtration process, which is convenient for subsequent cleaning. And the cleaning system composed of the driving rod 45, the wing plate and the cleaning head 49 regularly cleans the surface of the filter net 22 by sliding and rotating methods to prevent blockage and maintain the permeability of the filter net 22. The design of the cleaning head 49 can approach or move away from the center along the plane of the filter net 22 to achieve comprehensive and effective cleaning.

[0031] Furthermore, a protective cover 2 is provided outside the filter net 22. The protective cover 2 mainly serves to protect the filter net 22, preventing large particles in the waste gas or external objects from directly impacting the filter net 22, causing damage or blockage. At the same time, the protective cover 2 can also reduce the transmission of noise and vibration to a certain extent, improving the overall operating stability of the equipment. The surface of the protective cover 2 is provided with several partition plates, and the outer walls of the partition plates are provided with slide rails 21. A number of cleaning heads 49 are all connected through mounting blocks 411, and the mounting blocks 411 are slidably mounted on the slide rails 21. The partition plates divide the internal space of the protective cover 2 into multiple areas, and each area corresponds to a group of cleaning heads 49 and a partial area of the filter net 22. This zoning design makes the cleaning process more orderly and efficient. The slide rails 21 provide the tracks for the cleaning heads 49 to move, ensuring that they can slide smoothly along the preset path. Since the cleaning heads 49 slide along the slide rails 21, they can accurately cover the entire surface of the filter net 22, thus achieving a comprehensive and thorough cleaning.

[0032] Even further, a slider 31 is provided below the ash receiving tray 3. The slider 31 is slidably mounted in a limiting groove 12 opened inside the filter box 1. One side of the ash receiving tray 3 that penetrates out of the filter box 1 is provided with a handle 32. The cooperation between the slider 31 and the limiting groove 12 ensures the stable sliding of the ash receiving tray 3 inside the filter box 1. When it is necessary to clean the dust in the ash receiving tray 3, the operator only needs to hold the handle 32 and gently pull it outwards to draw out the ash receiving tray 3 from the filter box 1 without a complicated disassembly process. Similarly, after cleaning, just align the ash receiving tray 3 with the limiting groove 12 and push it into the filter box 1.

[0033] Furthermore, a number of sliding grooves 41 are provided on both sides of the inner wall of the filter box 1. A limiting rod 42 is arranged inside the sliding groove 41. A sliding plate 44 is slidably mounted on the outer wall of the limiting rod 42. The sliding groove 41 and the limiting rod 42 provide a stable sliding track and limit for the sliding plate 44, ensuring the accuracy and reliability of the sliding plate 44 during the sliding process. A spring 43 is connected to the outer wall of the sliding plate 44, and the other end of the spring 43 is fixedly connected to the inner wall of the sliding groove 41. The spring 43 provides a restoring force for the sliding plate 44. When an external force acts on the sliding plate 44, the spring 43 will be compressed or stretched; when the external force disappears, the spring 43 will push the sliding plate 44 back to the initial position. The sliding plate 44 is fixedly connected to the driving rod 45. The driving rod 45 is fixedly connected to a wind deflector 413 through a connector 412 provided on the outer wall. The wind deflector 413 is arranged inside the air inlet 11 opened in the filter box 1. When the waste gas enters the filter box 1 through the air inlet hole, the gas will generate a certain air pressure on the wind deflector 413. The magnitude of this air pressure depends on the flow rate and speed of the waste gas. The air pressure generated by the waste gas entering through the air inlet 11 on the wind deflector 413 drives the movement of the driving rod 45 and the wing plate. When the waste gas flow rate increases, the wind deflector 413 will move backward to allow more waste gas to pass through, and at the same time drive the wing plate and the cleaning head 49 to expand to a greater extent to clean the entire filter net 22. On the contrary, when the waste gas flow rate decreases, the wind deflector 413 will move forward to reduce the air intake, and correspondingly slow down or reduce the cleaning action of the cleaning head 49, thereby saving energy and reducing wear. The wing plate includes an upper wing plate 46 and a lower wing plate 47. The free ends of the wing plates are both movably mounted with a cleaning head 49 through a connecting rod 48. The setting of the wing plate enables the cleaning head 49 to move along with the movement of the wing plate, so as to realize the comprehensive cleaning of the filter net 22. A brush 410 is arranged outside the cleaning head 49, and the brush 410 is attached to the surface of the filter net 22. When the driving rod 45 drives the wing plate to move, the brush 410 on the cleaning head 49 will slide along the surface of the filter net 22 to remove the dust and particles attached to it. The brush 410 is closely attached to the surface of the filter net 22, so the thoroughness of the cleaning effect can be ensured. At the same time, the softness of the brush 410 can also avoid damaging the filter net 22.

[0034] Furthermore, a current collector plate 5 is provided between adjacent filter meshes 22. The outer wall of the current collector plate 5 is set as an inwardly inclined inverted trapezoidal smooth surface. This design helps to guide the exhaust gas to form a more uniform and stable air flow when passing through the partition plate. The inwardly inclined inclined surface can reduce the turbulence and eddy current at the edge of the partition plate, thereby reducing energy loss and noise generation. The smooth surface reduces the frictional resistance between the exhaust gas and the partition plate, enabling the exhaust gas to pass through the partition plate more smoothly and enter the next filtration area. This not only improves the flow efficiency of the exhaust gas, but also reduces the operating burden of the equipment. Moreover, a ventilation opening 51 is provided in the middle of the current collector plate 5 at the same horizontal line as the air inlet 11, so that the air flow is concentrated and passes through the ventilation opening 51, providing air pressure to the wind deflector 413 at the ventilation opening 51.

[0035] In the present utility model, when filtering the exhaust gas, the exhaust gas pipeline is connected through the air inlet 11, and the internal fan 6 of the filter box 1 is started to suck the exhaust gas. When the exhaust gas enters the filter box 1 through the air inlet hole, the gas will generate air pressure on the wind deflector 413, and the power of the fan 6 is controlled according to different situations to adjust the air pressure. After the wind deflector 413 is subjected to the air pressure, it drives the drive rod 45 and the slide plates 44 on both sides to move vertically along the chute 41 towards the filter mesh 22. At the same time of moving, the upper wing plate 46 and the lower wing plate 47 expand towards both ends of the filter mesh 22. After the wing plates are expanded, the air flow enters through the gap between the wing plates and passes through the filter mesh 22 for preliminary filtration. The air flow after the first filtration is concentrated by the provided current collector plate 5 and passes through the ventilation opening 51. The concentrated air flow provides air pressure to the second-layer wind deflector 413 to make it expand. The exhaust gas after multi-stage filtration enters the zeolite rotor module 8. The zeolite rotor utilizes the porosity and strong adsorption capacity of the zeolite material to effectively adsorb harmful substances in the exhaust gas. The zeolite rotor realizes the alternation of adsorption and desorption by rotation, that is, it adsorbs pollutants in the exhaust gas in the adsorption area, and then rotates to the desorption area for regeneration treatment, so as to maintain its continuous adsorption capacity. After the filtration of the exhaust gas is completed, the fan 6 stops operating. Thus, the wind deflector 413 loses the influence of the air pressure and is reset by the elasticity of the spring 43. When resetting, the two side wing plates contract inward, and at the same time drive the cleaning head 49 at their free ends to move towards the center of the filter mesh 22. While moving, the dust and particles on the surface of the filter mesh 22 are cleaned and scraped off by the brush 410. The cleaned dust and particles fall into the ash receiving tray 3 inside. After multiple uses, the operator pulls out the ash receiving tray 3 by pulling the handle 32 and cleans the dust inside it.

[0036] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A zeolite wheel adsorption and desorption purification waste gas treatment device, comprising a filter box (1) with a zeolite wheel module (8) built therein and a filter screen (22) disposed in the filter box (1), wherein at least two filter screens (22) are provided, and an ash receiving tray (3) is disposed below the plane where the filter screens (22) are located, and is characterized in that, It further includes: A drive rod (45) slidably arranged at the air inlet end of the filter net (22). When the waste gas passes through the filter box (1), the drive rod (45) slides in the direction perpendicular to the plane where the filter net (22) is located. A wing plate rotatably connected to the drive rod (45), and a cleaning head (49) is arranged at the free end of the wing plate. Wherein, the wing plate has an included angle with the plane where the filter plate (22) is located. When the drive rod (45) slides, the cleaning head (49) approaches or moves away from the center along the plane where the filter net (22) is located.

2. The waste gas treatment device for adsorption and desorption purification of a zeolite rotor according to claim 1, wherein A protective cover (2) is arranged outside the filter net (22). A plurality of partition plates are arranged on the surface of the protective cover (2), and slide rails (21) are arranged on the outer walls of the partition plates. A plurality of the cleaning heads (49) are all connected through mounting blocks (411), and the mounting blocks (411) are slidably mounted on the slide rails (21).

3. The waste gas treatment device for adsorption and desorption purification by a zeolite rotary wheel according to claim 1, characterized in that, A slider (31) is arranged below the ash receiving tray (3), and the slider (31) is slidably mounted in a limiting groove (12) opened inside the filter box (1). A handle (32) is arranged on one side of the ash receiving tray (3) penetrating out of the filter box (1).

4. A waste gas treatment device for purifying waste gas by zeolite wheel adsorption and desorption according to claim 1, characterized in that A plurality of sliding grooves (41) are arranged on both sides of the inner wall of the filter box (1). A limiting rod (42) is arranged inside the sliding grooves (41). A sliding plate (44) is slidably mounted on the outer wall of the limiting rod (42). The sliding plate (44) is fixedly connected to both ends of the drive rod (45). A spring (43) is connected to the outer wall of the sliding plate (44), and the other end of the spring (43) is fixedly connected to the inner wall of the sliding groove (41).

5. The zeolite wheel adsorption and desorption purification waste gas treatment device according to claim 4, characterized in that, The drive rod (45) is fixedly connected with a wind baffle (413) through a connecting head (412) arranged on its outer wall, and the wind baffle (413) is arranged inside the air inlet (11) opened in the filter box (1).

6. The zeolite wheel adsorption and desorption purification waste gas treatment device according to claim 2, wherein The wing plate includes an upper wing plate (46) and a lower wing plate (47), and the included angle between the upper wing plate (46) and the lower wing plate (47) is greater than 0° and less than 180°. The cleaning head (49) is movably mounted at the free end of the wing plate through a connecting rod (48). A brush (410) is arranged outside the cleaning head (49), and the brush (410) is attached to the surface of the filter net (22).

7. The waste gas treatment device for zeolite wheel adsorption and desorption purification according to claim 1, characterized in that, A flow collecting plate (5) is arranged between adjacent filter nets. The outer wall of the flow collecting plate (5) is set as an inwardly inclined inverted trapezoidal smooth surface, and a ventilation opening (51) on the same horizontal line as the air inlet (11) is opened in the middle of the flow collecting plate (5).

8. The zeolite wheel adsorption and desorption purification waste gas treatment device according to claim 1, characterized in that, A fan (6) for sucking the waste gas is arranged behind a plurality of filter nets (22) in the filter box (1). An air inlet plate (7) and a zeolite rotor module (8) are sequentially arranged behind the fan (6). The air inlet plate (7) is used to control the waste gas to enter the adsorption area of the zeolite rotor module (8).

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