A fluidized bed VOC adsorption device

By designing a fluidized bed structure and employing technologies such as flexible transmission and floating seals, the problems of insufficient sealing, high energy consumption, and large footprint of VOC adsorption devices have been solved, achieving efficient VOC purification and desorption, and reducing wear and replacement costs.

CN116983799BActive Publication Date: 2026-01-02JIANGSU XINSUCHENG ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Application Number
CN202310960188.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-08-01
Publication Date
2026-01-02
Estimated Expiration
2043-08-01

AI Technical Summary

Technical Problem

Existing VOC adsorption devices suffer from problems such as insufficient sealing, high energy consumption, large footprint, severe wear and tear, and high replacement costs.

Method used

The fluidized bed structure, including a flexible transmission structure, a floating sealing structure, a gear disk and connecting shaft meshing structure, a floating adjustment device, and an inspection door design, improves sealing performance and efficiency while reducing floor space and wear costs.

Benefits of technology

It improves the sealing performance and purification efficiency of VOC adsorption devices, reduces energy consumption and floor space, reduces wear and replacement costs, and achieves efficient synergistic operation of desorption and adsorption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of flow bed VOC adsorption devices, including shell, adsorption device, desorption device;Shell is enclosed by side plate, bottom plate, top plate;Shell top is equipped with vertical passage, vertical passage is adsorption air outlet;Shell bottom plate and top plate are equipped with oval track;Adsorption device is placed in shell, and adsorption device is arranged by multiple groups of zeolite module filter element, and zeolite module filter element is adapted with the oval track on two sides by flexible transmission structure;Desorption device is installed in one long side of oval adsorption device;Desorption device is composed of cooling bin and desorption bin;Desorption bin is composed of desorption air inlet bin and desorption air outlet bin;First floating seal structure is equipped between each group of zeolite module filter element and bottom plate and top plate on two sides;Second floating seal structure is equipped at the junction of each group of zeolite module filter element side part.The application greatly improves the overall sealing, further improves the purification efficiency, while the floor area is small, conducive to large-scale use.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of waste gas purification, in particular to a flow bed VOC adsorption device. BACKGROUND

[0002] The adsorption method is the most widely used VOC recovery method at present, which adsorbs VOCs in waste gas through an adsorbent with a large specific surface area, and discharges the purified gas into the atmosphere; the vast majority of the rotary technology and equipment currently used in China are imported.

[0003] The conventional VOC adsorption device currently uses a rotary structure; and the rotary structure rotates all the fixed beds in the treatment system during operation, which increases the energy consumption during operation; although the circular structure occupies a smaller area than the regular shapes such as square, the area can still be optimized to improve the land use efficiency; meanwhile, the sealing structure of the rotary structure is relatively single, and part of the gas may not pass through the filter core and be directly discharged during use, resulting in a low overall filtration rate. SUMMARY

[0004] The purpose of the present application is to provide a flow bed VOC adsorption device with high sealing performance and high efficiency.

[0005] The purpose of the present application is achieved by a flow bed VOC adsorption device, which comprises a shell, an adsorption device and a desorption device.

[0006] The shell is composed of side plates, a bottom plate and a top plate; an adsorption air inlet is arranged on the left side plate; a vertical channel is arranged on the top of the shell, which is an adsorption air outlet; a maintenance door is arranged on the front side plate and the rear side plate; a desorption air outlet and a differential pressure gauge are arranged on the front side plate; an oval track is arranged on the bottom plate and the top plate; a motor is arranged on the top plate; a driving gear is arranged on the output end of the motor; the driving gear and a driven gear are engaged by a chain; a rotating shaft is arranged at the center of the driven gear and extends downward; the rotating shaft is connected to the top plate and the bottom plate through bearings at the upper and lower ends thereof;

[0007] The adsorption device is arranged in the shell; the adsorption device is composed of a plurality of zeolite module filter cartridges arranged in groups; the zeolite module filter cartridges are arranged in an oval shape consistent with the oval track; the upper and lower ends of the zeolite module filter cartridges are connected by flexible transmission structures; the zeolite module filter cartridges are adapted to the oval tracks on the upper and lower sides by the flexible transmission structures; a plurality of driven gear plates are arranged on the rotating shaft; the driven gear plates are matched with the flexible transmission structures;

[0008] The desorption device is installed on both sides of one long side of the elliptical adsorption device; the desorption device is composed of a cooling bin and a desorption bin; the desorption bin is composed of a desorption air inlet bin and a desorption air outlet bin; the cooling bin and the desorption air inlet bin are located inside the elliptical adsorption device, and the desorption air outlet bin is located outside the elliptical adsorption device and is communicated with the side plate to form a desorption air outlet; floating adjustment devices are connected between the desorption device and the side plate, and between the cooling bin, the desorption air inlet bin and the fixed rod; first floating sealing structures are arranged between the upper and lower sides of each group of zeolite module filter cartridges and the bottom plate and the top plate; second floating sealing structures are arranged at the side junctions of each group of zeolite module filter cartridges; and annular module sealing rubber strips are arranged around the outer vertical surface of the zeolite module filter cartridges.

[0009] Preferably, the flexible transmission structure is composed of a U-shaped fixed seat and a connecting shaft; side auxiliary deep groove ball bearings are arranged at the bottom of the U-shaped fixed seat, and a load-bearing deep groove ball bearing is arranged in the middle channel of the U-shaped fixed seat at the bottom; two groups of rotating connecting plates are arranged on the connecting shaft, connecting brackets are arranged above the connecting plates, fixed columns are arranged between the bottom surface of the connecting bracket and the rotating connecting plate, and the other side of the connecting bracket is fixedly connected with the short side of the zeolite module filter cartridge.

[0010] Preferably, a desorption air inlet pipe and a cooling air outlet pipe are arranged in the vertical channel, the desorption air inlet pipe is communicated with the desorption air inlet bin, the cooling air outlet pipe is communicated with the cooling bin, and the inlet end of the desorption air inlet pipe and the outlet end of the cooling air outlet pipe are led out from the side wall of the vertical channel.

[0011] Preferably, six groups of clamping grooves are arranged around the driven gear disc, V-shaped notches are arranged on the clamping grooves, inner grooves are arranged between the clamping grooves, and the V-shaped notches are matched with the connecting shaft; a gear disc cover is arranged around the clamping groove, and the side plate is absent on the side of the gear disc cover close to the zeolite module filter cartridge.

[0012] Preferably, the first floating sealing structure comprises an inner sealing plate and an annular sealing rubber strip, the sealing plate is fixed on the bottom plate inside the elliptical track in the form of an ellipse, the annular sealing rubber strip is arranged at the bottom of the adsorption device, the annular sealing rubber strip abuts against the inner sealing plate, and the annular sealing rubber strip is composed of a whole rubber strip bent.

[0013] Preferably, the second floating sealing structure adopts a V-shaped sealing rubber strip, and the V-shaped sealing rubber strip is fixedly connected with the housings of the zeolite module filter cartridges on both sides.

[0014] Preferably, the floating adjusting device is composed of two groups of short rods and an adjusting sleeve, the two groups of short rods are connected through the adjusting sleeve, the adjusting sleeve is internally provided with symmetrical left-handed threads and right-handed threads, the short rods are provided with threads corresponding to the inside of the adjusting sleeve, and the short rods are extended and retracted by rotating the adjusting sleeve; the floating adjusting device is hinged between the side plates and the fixed rods; the floating adjusting device is four groups, which are arranged at the four corners of the desorption air outlet bin and the four corners of the bin wall surrounding the desorption air inlet bin and the cooling bin.

[0015] Preferably, the cooling bin, the desorption air inlet bin and the desorption air outlet bin are provided with elongated plates on two sides, the elongated plates located at the cooling bin and the desorption air inlet bin abut against the V-shaped sealing strips on the inside, and the elongated plates located at the desorption air outlet bin abut against the annular module sealing rubber strips on the outer vertical surface of the zeolite module filter element; the cooling bin and the desorption air inlet bin are provided with a convex bin, and the convex bin, the cooling bin and the desorption air inlet bin are integrally connected; the convex wall of the convex bin abuts against the V-shaped sealing strip, and the convex wall is on the same plane as the elongated plates of the cooling bin and the desorption air inlet bin; the cooling bin, the desorption air inlet bin, the desorption air outlet bin and the convex bin are provided with reinforcing ribs on the outside, and the cooling bin, the desorption air inlet bin and the desorption air outlet bin are provided with support columns connected with the bottom plate at the bottom.

[0016] Preferably, the shell is internally provided with a rotating speed sensor, and the rotating speed sensor is located above the zeolite module filter element; differential pressure detection pipelines are arranged between the zeolite module filter element and the shell and in the desorption air outlet bin, and the differential pressure detection pipelines are communicated with a differential pressure table.

[0017] Preferably, the other side of the vertical channel is provided with an access door, and the vertical channel is internally provided with an access ladder directly leading to the bottom.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] 1. The first floating sealing structure and the second floating sealing structure are adopted, so that the sealing property between the upper and lower sides of each group of zeolite module filter elements and the bottom plate and the top plate and between the zeolite module filter elements is effectively ensured, and the exhaust gas directly flows into the zeolite module filter element from the gaps between the adsorption air inlet and the adsorption air outlet, so that the overall sealing property is greatly improved, and the purification efficiency is further improved.

[0020] 2. The flexible transmission structure is adopted, the zeolite module filter elements are connected and fixed with the connecting plates, the zeolite module filter elements can be arranged in an elliptical shape in sequence, and the elliptical shape greatly reduces the occupied area compared with the circular shape and the square shape, so that the zeolite module filter elements are suitable for large-area use.

[0021] 3. The gear plate and connecting shaft meshing structure replaces the traditional gear and gear strip meshing structure, greatly reducing the degree of wear; at the same time, the gear strip is a whole structure, and when it is replaced, it needs to be replaced as a whole, while the connecting shaft can be replaced individually, and they do not affect each other, greatly reducing the cost of the user;

[0022] 4. The annular module sealing rubber strip is arranged on the outer facade of the zeolite module filter element, and the V-shaped sealing strip is arranged at the inner side connection between the zeolite module filter elements, so that when the zeolite module filter element is operated to the desorption device, the sealing strip can cooperate with the extension plate, thereby realizing sealing and further improving the desorption effect;

[0023] 5. The floating adjusting device is arranged between the desorption device and the side plate, and between the cooling bin, the desorption air inlet bin and the fixing rod, and the angle of each bin position can be finely adjusted through the adjusting sleeve, so that the sealing strip on the zeolite module filter element can be matched, further eliminating the matching error caused by installation and production, and improving the sealing and desorption effect;

[0024] 6. The maintenance doors are arranged on the shell and the vertical channel, and the maintenance ladder is arranged in the vertical channel, so that the maintenance channels of the inner and outer sides of the zeolite module filter element are established, and personnel can conveniently maintain in the later period;

[0025] 7. The zeolite module filter element completes the whole oval operation under the driving of the flexible transmission structure, cooperates with the desorption device, realizes the common work of desorption and adsorption, does not need to stop, and further improves the efficiency of desorption and adsorption. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structure diagram of the angle of view at the adsorption air inlet of the application.

[0027] Figure 2 It is a structure diagram of the angle of view at the desorption air outlet of the application.

[0028] Figure 3 It is a structure diagram of the application without a side plate and a vertical channel.

[0029] Figure 4 It is a structure diagram of the application without a side plate, a top plate and a vertical channel.

[0030] Figure 5 It is a structure diagram of the inside of the shell of the application.

[0031] Figure 6 It is a sectional structure diagram of the left half of the application.

[0032] Figure 7 It is a sectional structure diagram of the latter half of the application.

[0033] Figure 8Structure diagram of flexible transmission structure of the application.

[0034] Figure 9 Structure diagram of first lower floating seal of the application.

[0035] Figure 10 Structure diagram of annular sealing rubber strip of the application.

[0036] Figure 11 Structure diagram of driven gear disc of the application.

[0037] Figure 12 Structure diagram of driven gear disc of the application after wrapping.

[0038] Figure 13 Structure diagram of cooperation of lengthening plate and sealing rubber strips on both sides of the application.

[0039] Among them, 1 is a shell, 2 is an adsorption device, 3 is a desorption device, 4 is a side plate, 5 is a bottom plate, 6 is a top plate, 7 is an adsorption air inlet, 8 is a vertical channel, 9 is an adsorption air outlet, 10 is an inspection door, 11 is a desorption air outlet, 12 is a differential pressure gauge, 13 is an elliptical track, 14 is a motor, 15 is a driving gear, 16 is a driven gear, 17 is a chain, 18 is a rotating shaft, 19 is a zeolite module filter element, 20 is a flexible transmission structure, 2001 is a U-shaped fixed seat, 2002 is a connecting shaft, 2003 is a side auxiliary deep groove ball bearing, 2004 is a load-bearing deep groove ball bearing, 2005 is a connecting plate, 2006 is a connecting bracket, 2007 is a fixed column, 21 is a driven gear disc, 2101 is a clamping groove, 2102 is a V-shaped notch, 2103 is an inner groove, 2104 is a gear disc cover, 22 is a cooling bin, 23 is a desorption bin, 24 is a desorption air inlet bin, 25 is a desorption air outlet bin, 26 is a fixed rod, 27 is a floating adjusting device, 28 is a first floating seal structure, 2801 is a sealing plate, 2802 is an annular sealing rubber strip, 29 is a second floating seal structure, 2901 is a V-shaped sealing rubber strip, 30 is an annular module sealing rubber strip, 31 is a desorption air inlet pipeline, 32 is a cooling air outlet pipeline, 33 is a lengthening plate, 34 is a convex bin, 3401 is a convex wall, 35 is a reinforcing rib, 36 is a support column, 37 is a rotating speed sensor, 38 is a differential pressure detection pipeline, and 39 is an inspection ladder. DETAILED DESCRIPTION

[0040] The following specific embodiments illustrate the embodiments of the application, and those skilled in the art can easily understand other advantages and effects of the application from the content disclosed in the specification.

[0041] It should be noted that in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship in which the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance. The terms "horizontal", "vertical", "overhanging" and the like do not mean that the parts must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0042] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] As shown in Figures 1-13 A fluidized bed VOC adsorption device, comprising a shell 1, an adsorption device 2, a desorption device 3;

[0044] The shell 1 is composed of side plates 4, a bottom plate 5 and a top plate 6; the left side plate 4 is provided with an adsorption air inlet 7, and the top of the shell 1 is provided with a vertical channel 8, which is an adsorption air outlet 9; the front side plate 4 and the rear side plate 4 are both provided with an access door 10, and the front side plate 4 is further provided with a desorption air outlet 11 and a differential pressure gauge 12; the bottom plate 5 and the top plate 6 of the shell are provided with an oval track 13; the top plate 6 is provided with a motor 14, and the output end of the motor 14 is provided with a driving gear 15, the driving gear 15 is engaged with a driven gear 16 through a chain 17, and the driven gear 16 is extended downward at the center to form a rotating shaft 18, and the upper and lower ends of the rotating shaft 18 are connected with the top plate and the bottom plate through bearings respectively;

[0045] The adsorption device 2 is arranged in the shell 1, and the adsorption device 2 is composed of a plurality of groups of zeolite module filter cartridges 19 arranged in an array, the zeolite module filter cartridges 19 are arranged in an ellipse shape in combination and are consistent with the elliptical track 13; the upper and lower ends of the zeolite module filter cartridges 19 are connected through flexible transmission structures 20, and the zeolite module filter cartridges 19 are adapted to the elliptical track 13 on the upper and lower sides through the flexible transmission structures 20; a plurality of driven gear plates 21 are arranged on the rotating shaft 18 in two groups, and the driven gear plates 21 are matched with the flexible transmission structures 20;

[0046] The desorption device 3 is arranged on both sides of one long side of the elliptical adsorption device 2; the desorption device 3 is composed of a cooling bin 22 and a desorption bin 23; the desorption bin 23 is composed of a desorption air inlet bin 24 and a desorption air outlet bin 25; the cooling bin 22 and the desorption air inlet bin 24 are located on the inner side of the elliptical adsorption device, and the desorption air outlet bin 25 is located on the outer side of the elliptical adsorption device and is communicated with the side plate 4 to form a desorption air outlet 11; the floating adjusting devices 27 are connected between the desorption device 3 and the side plate 4, and between the cooling bin 22 and the desorption air inlet bin 24 and the fixed rod 26; the first floating sealing structures 28 are arranged between the upper and lower sides of each group of zeolite module filter cartridges 19 and the bottom plate 5 and the top plate 6; the second floating sealing structures 29 are arranged at the side junctions of each group of zeolite module filter cartridges 19; and the ring-shaped module sealing rubber strips 30 are arranged around the outer vertical surfaces of the zeolite module filter cartridges 19.

[0047] As shown in Figure 3 , 4 , 8, the flexible transmission structure 20 is composed of a U-shaped fixed seat 2001 and a connecting shaft 2002; the U-shaped fixed seat 2001 is provided with side auxiliary deep groove ball bearings 2003 on the two sides of the bottom, and a bearing deep groove ball bearing 2004 is arranged in the middle channel of the U-shaped fixed seat 2001 at the bottom; the connecting shaft 2002 is provided with two groups of rotating connecting plates 2005, the connecting plates 2005 are provided with connecting supports 2006 above, the connecting supports 2006 are provided with fixed columns 2007 between the bottom surfaces and the rotating connecting plates 2005, and the other sides of the connecting supports 2006 are fixedly connected with the short sides of the zeolite module filter cartridges 19; the flexible transmission structure is adopted, the connecting plates are connected and fixed with the zeolite module filter cartridges, the zeolite module filter cartridges can be arranged in an elliptical shape in sequence, and the elliptical shape greatly reduces the occupied area compared with a circular or square structure, which is beneficial to large-area use.

[0048] As shown in Figures 1-4 , 7, the vertical channel 8 is provided with a desorption air inlet pipeline 31 and a cooling air outlet pipeline 32, the desorption air inlet pipeline 31 is communicated with the desorption air inlet bin 24, and the cooling air outlet pipeline 32 is communicated with the cooling bin 22; the inlet end of the desorption air inlet pipeline 31 and the outlet end of the cooling air outlet pipeline 32 are led out from the side wall of the vertical channel 8; the cooling bin uses the waste gas of the adsorption bin as a cooling source to cool the zeolite module filter cartridges and reduce the temperature of the zeolite module filter cartridges after high-temperature desorption.

[0049] As Figure 6 、 11 , 12, the driven gear disc 21 periphery is provided with six groups of card slot 2101, card slot 2101 is provided with V-shaped notch 2102, card slot 2101 and card slot 2101 between the inner groove 2103, V-shaped notch 2102 and connecting shaft 2002 matching; card slot 2101 periphery is provided with gear cover 2104, gear cover 2104 by zeolite module filter element 19 side without side plate, driven gear disc around the rotation axis, it is as the power source of elliptical adsorption device; using gear disc and connecting shaft meshing structure instead of the traditional gear and gear bar meshing structure, greatly reduces the degree of wear; at the same time, due to the gear bar for the overall structure, when replacing the need for overall replacement, while the connecting shaft can be replaced individually, not affect each other, greatly reduces the cost of users

[0050] As Figure 6 、 9 , 10, the first floating seal structure 28 includes the inner side sealing plate 2801 and the annular sealing rubber strip 2802, the sealing plate 2801 is fixed on the bottom plate 5 inside the oval track 13 in the form of oval, the adsorption device 2 bottom is provided with annular sealing rubber strip 2802, the annular sealing rubber strip 2802 is in abutment with the inner side sealing plate 2801, the annular sealing rubber strip 2802 is a whole rubber strip bending; the first floating seal structure adopts the structure form of soft and hard sealing, greatly improves the overall sealing performance, at the same time, only one joint in the middle of a whole rubber strip, avoids the case that multiple joints have low sealing performance.

[0051] As Figure 5 , the second floating seal 29 structure adopts V-shaped sealing rubber strip 2901, the V-shaped sealing rubber strip two sides are respectively fixedly connected with the box body of the two sides of the zeolite module filter element, compared with the traditional sealing rubber strip, the middle region of the V-shaped sealing rubber strip can expand to both sides, thereby avoiding the sealing rubber strip being pulled, and reducing the sealing performance of the connection between the sealing rubber strip and the box body of the zeolite module filter element.

[0052] As Figures 4-6As shown, the floating adjusting device 27 is composed of two groups of short rods 2701 and adjusting sleeves 2702, the two groups of short rods 2701 are connected through the adjusting sleeves 2702, the adjusting sleeves 2702 are internally provided with symmetrical left-handed threads and right-handed threads, the short rods 2701 are provided with threads corresponding to the inner sides of the adjusting sleeves 2702, the short rods are extended and retracted by rotating the adjusting sleeves; the floating adjusting device 27 is hinged between the side plates and the fixed rods; the floating adjusting device 27 is four groups, arranged at the four corners of the desorption air-out warehouse and the four corners of the warehouse wall surrounding the desorption air-in warehouse and the cooling warehouse; the floating adjusting devices are arranged between the desorption device and the side plates, between the cooling warehouse, the desorption air-in warehouse and the fixed rods, the angle of each warehouse position can be finely adjusted through the adjusting sleeves, so that it can be matched with the sealing strip on the zeolite module filter element, further eliminating the matching error caused by installation and production, improving the sealing and desorption effect.

[0053] As shown in Figure 5 , 13 , the cooling warehouse 22, the desorption air-in warehouse 24 and the desorption air-out warehouse 25 are provided with elongated plates 33 on both sides, the elongated plates 33 located at the cooling warehouse 22 and the desorption air-in warehouse 24 abut against the V-shaped sealing strips 2901, the elongated plates 33 located at the desorption air-in warehouse 24 abut against the annular module sealing rubber strips 30 on the outer surface of the zeolite module filter element 19; the cooling warehouse 22 and the desorption air-in warehouse 24 are provided with a raised warehouse 34, the raised warehouse 34, the cooling warehouse 22 and the desorption air-in warehouse 24 are integrally connected; the raised wall 3401 of the raised warehouse 34 abuts against the V-shaped sealing strips 2901, the raised wall 3401 and the elongated plates 33 of the cooling warehouse 22 and the desorption air-in warehouse 24 are on the same plane; the cooling warehouse 22, the desorption air-in warehouse 24, the desorption air-out warehouse 25 and the raised warehouse 34 are provided with reinforcing ribs 35 on the outer sides, the cooling warehouse 22, the desorption air-in warehouse 24 and the desorption air-out warehouse 25 are provided with support columns 36 connected with the bottom plates at the bottoms; through the arrangement of the elongated plates, it can be ensured that the V-shaped sealing rubber strips and the module sealing rubber strips abut against the elongated plates, thereby ensuring the sealing property in the desorption state and improving the desorption effect.

[0054] As shown in Figure 6 , the shell 1 is internally provided with a rotating speed sensor 37, the rotating speed sensor 37 is located above the zeolite module filter element 19; the zeolite module filter element 19 and the shell 1 and the desorption air-out warehouse 24 are internally provided with a differential pressure detection pipeline 38, the differential pressure detection pipeline 38 is communicated with the differential pressure table 12; the rotating speed sensor and the differential pressure table can effectively monitor the rotating speed and pressure data.

[0055] As shown in Figures 1-4 , the other side of the vertical channel 8 is provided with an inspection door, the vertical channel 8 is internally provided with an inspection ladder 39 directly passing through the bottom; the inspection doors are arranged on the shell and the vertical channel, and the inspection ladder is arranged in the vertical channel, thereby establishing a maintenance channel for the inner and outer sides of the zeolite module filter element, facilitating the maintenance of personnel in the later period.

[0056] Therefore, the present application has the following advantages:

[0057] The first floating seal structure and the second floating seal structure are adopted, so that the sealing between the upper and lower sides of each zeolite module filter core and the bottom plate and the top plate and the zeolite module filter core is effectively ensured, the exhaust gas from the adsorption air inlet is prevented from flowing into the oval area surrounded by the zeolite module filter core from the gaps, that is, the adsorption air outlet, the overall sealing is greatly improved, and the purification efficiency is further improved.

[0058] The flexible transmission structure is adopted, the zeolite module filter core is connected and fixed with the connecting plate, so that the zeolite module filter core can be arranged in an oval shape in turn, the oval shape greatly reduces the occupied area compared with a circular or square structure, and is beneficial to large-area use.

[0059] The gear disc and the connecting shaft meshing structure is adopted instead of the traditional gear and gear strip meshing structure, so that the degree of wear is greatly reduced; meanwhile, the gear strip is a whole structure and needs to be replaced as a whole, while the connecting shaft can be replaced individually and does not affect each other, so that the cost of the user is greatly reduced.

[0060] The annular module sealing rubber strip is arranged on the outer facade of the zeolite module filter core, and the V-shaped sealing strip is arranged at the inner side connecting part between the zeolite module filter cores, so that when the zeolite module filter core is operated to the desorption device, the elongated plate can be matched with each other to realize sealing, and the desorption effect is further improved.

[0061] The floating adjusting device is arranged between the desorption device and the side plate, and between the cooling bin, the desorption air inlet bin and the fixing rod, the angle of each bin position can be finely adjusted through the adjusting sleeve, so that the sealing strip on the zeolite module filter core can be matched, the matching error caused by installation and production is further eliminated, and the sealing and desorption effect is improved.

[0062] The maintenance doors are arranged on the shell and the vertical channel, and the maintenance ladder is arranged in the vertical channel, so that the maintenance channels of the inner and outer sides of the zeolite module filter core are established, and the personnel can be conveniently maintained in the later period.

[0063] The working principle of the present application is described as follows: the zeolite module filter core is driven by the flexible transmission structure to complete the whole oval operation, is matched with the desorption device, realizes the desorption and adsorption common work, does not need to stop, and further improves the desorption and adsorption efficiency.

[0064] The above-described embodiments are only used to describe the preferred embodiments of the present application, and do not limit the concept and scope of the present application. Various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design concept of the present application shall fall within the protection scope of the present application, and the technical content claimed by the present application has been fully recorded in the claims.

Claims

1. A fluidized bed VOC adsorption apparatus characterized by, The shell, adsorption device, and desorption device are provided. The shell is composed of side plates, a bottom plate, and a top plate. The adsorption device is arranged in the shell and is composed of multiple groups of zeolite module filter cartridges arranged in an elliptical shape. The flexible transmission structure is composed of a U-shaped fixed seat and a connecting shaft. The desorption device is installed on both sides of one long side of the elliptical adsorption device. The desorption device is composed of a cooling bin and a desorption bin. The desorption bin is composed of a desorption inlet bin and a desorption outlet bin. The desorption outlet bin is located outside the elliptical adsorption device and is connected with the side plate to form a desorption outlet. Floating adjustment devices are connected between the desorption device and the side plate, and between the cooling bin and the desorption inlet bin. First floating sealing structures are arranged between each group of zeolite module filter cartridges and the bottom plate and the top plate. Second floating sealing structures are arranged at the side junctions of each group of zeolite module filter cartridges. An annular module sealing rubber strip is arranged around the outer vertical surface of the zeolite module filter cartridges. The floating adjusting device is composed of two groups of short rods and adjusting sleeves, the two groups of short rods are connected through the adjusting sleeves, the adjusting sleeves are internally provided with symmetrical left-handed threads and right-handed threads, the short rods are provided with threads corresponding to the inside of the adjusting sleeves, and the short rods are extended and retracted by rotating the adjusting sleeves; the floating adjusting device is hingedly connected between the side plates and the fixed rods; the floating adjusting device is four groups, which are arranged at four corners of the desorption air-outlet bin and four corners of the bin wall surrounding the desorption air-inlet bin and the cooling bin.

2. A fluidized bed VOC adsorption apparatus according to claim 1, wherein The vertical channel is internally provided with a desorption air-inlet pipeline and a cooling air-outlet pipeline, the desorption air-inlet pipeline is communicated with the desorption air-inlet bin, and the cooling air-outlet pipeline is communicated with the cooling bin; the inlet end of the desorption air-inlet pipeline and the outlet end of the cooling air-outlet pipeline are led out from the side wall of the vertical channel.

3. A fluidized bed VOC adsorption apparatus according to claim 1, wherein The first floating sealing structure comprises an inside sealing plate and an annular sealing rubber strip, the sealing plate is fixed in an oval form on the bottom plate inside the oval track, the bottom of the adsorption device is provided with the annular sealing rubber strip, the annular sealing rubber strip abuts against the inside sealing plate, and the annular sealing rubber strip is formed by bending an integral rubber strip.

4. A fluidized bed VOC adsorption apparatus according to claim 1, wherein The second floating sealing structure adopts a V-shaped sealing rubber strip, the V-shaped sealing rubber strip is fixedly connected with the box bodies of the two zeolite module filter cartridges on the two sides.

5. A fluidized bed VOC adsorption apparatus according to claim 1, wherein The cooling bin, the desorption air-inlet bin and the desorption air-outlet bin are provided with elongated plates extending on the two sides, the elongated plates located at the cooling bin and the desorption air-inlet bin abut against the V-shaped sealing strips on the inside, and the elongated plates located at the desorption air-outlet bin abut against the annular module sealing rubber strips on the outer vertical surface of the zeolite module filter cartridges; the cooling bin and the desorption air-inlet bin are provided with a convex bin, the convex bin, the cooling bin and the desorption air-inlet bin are integrally connected, the convex wall of the convex bin abuts against the V-shaped sealing strips, the convex wall is in the same plane as the elongated plates of the cooling bin and the desorption air-inlet bin, and the outside of the cooling bin, the desorption air-inlet bin, the desorption air-outlet bin and the convex bin is provided with reinforcing ribs, and the bottom of the cooling bin, the desorption air-inlet bin and the desorption air-outlet bin is provided with support columns connected with the bottom plate.

6. A fluidized bed VOC adsorption apparatus according to claim 1, wherein The shell is internally provided with a rotating speed sensor, the rotating speed sensor is located above the zeolite module filter cartridge, and a differential pressure detection pipeline is arranged between the zeolite module filter cartridge and the shell and in the desorption air-outlet bin, and the differential pressure detection pipeline is communicated with a differential pressure table.

7. A fluidized bed VOC adsorption apparatus according to claim 1, wherein The other side of the vertical channel is provided with an inspection door, and the vertical channel is internally provided with an inspection ladder directly leading to the bottom. The floating adjusting device is composed of two groups of short rods and adjusting sleeves, the two groups of short rods are connected through the adjusting sleeves, the adjusting sleeves are internally provided with symmetrical left-handed threads and right-handed threads, the short rods are provided with threads corresponding to the inside of the adjusting sleeves, and the short rods are extended and retracted by rotating the adjusting sleeves; the floating adjusting device is hingedly connected between the side plates and the fixed rods; the floating adjusting device is four groups, which are arranged at four corners of the desorption air-outlet bin and four corners of the bin wall surrounding the desorption air-inlet bin and the cooling bin.

Citation Information

Patent Citations

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