Waste gas adsorption and desorption device

By designing a movable adsorption and desorption mechanism and a sealing mechanism, the problem of shutdown during maintenance and replacement in the prior art is solved, and more efficient waste gas treatment and more flexible replacement methods are achieved.

CN222694366UActive Publication Date: 2025-04-01HANGZHOU NEIMING TECH CO LTD
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Patent Information

Application Number
CN202421399435.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-04-01
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing exhaust gas adsorption and desorption device needs to be shut down when maintaining and replacing the adsorption and desorption mechanism, and the amount of exhaust gas flows through the edge of the treatment box is small, resulting in poor treatment effect.

Method used

A waste gas adsorption and desorption device including a treatment box, an adsorption and desorption mechanism and a sealing mechanism are designed. The adsorption and desorption mechanism can be moved in the treatment box through a slide rail and a sealing plate, and replaced in the operating state through a conduit and a positioning mechanism to ensure that the gas flow route is longer and the treatment effect is better.

Benefits of technology

It realizes the replacement of the adsorption and desorption mechanism without shutting down, avoids leakage of polluted gas, improves the efficiency and flexibility of waste gas treatment, and makes it more convenient to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a waste gas adsorption and desorption device, comprising a treatment box, wherein a plurality of partitions are arranged in the treatment box, the partitions divide the treatment box into a plurality of independent chambers, the partitions are provided with ventilation holes for gas to pass through, adjacent chambers are connected through the ventilation holes, the front side wall and the rear side wall of the treatment box are respectively provided with the openings at positions corresponding to the chambers, an adsorption and desorption mechanism is inserted in the opening, a slide rail is arranged in the chamber, the adsorption and desorption mechanism is slidably connected to the slide rail, a sealing plate is fixed between the slide rail and the inner wall of the chamber, wherein the adsorption and desorption mechanism comprises an adsorption tube, a mounting frame, an upper limit plate, and a lower limit plate, the sealing mechanism comprises an inner sealing plate, a rubber sealing ring, an outer sealing plate, and a connecting piece, a positioning mechanism is fixed on the outer side of the treatment box, and a conduit is detachably connected to the positioning mechanism; the design of the treatment box, the adsorption and desorption mechanism, the sealing mechanism, and the positioning mechanism can flexibly select a replacement method according to production requirements, and is more convenient to use.
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Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment equipment, and more specifically to a waste gas adsorption and desorption device. Background Art

[0002] Volatile organic compounds (VOCs) are important precursors to the formation of secondary pollutants such as fine particulate matter (PM2.5) and ozone (O3), which in turn cause atmospheric environmental problems such as haze and photochemical smog. With the rapid development of industrialization and urbanization in my country and the sustained growth of energy consumption, regional complex air pollution characterized by PM2.5 and O3 has become increasingly prominent, and the frequency of large-scale simultaneous occurrence of severe air pollution in the region has increased, seriously restricting the sustainable development of the social economy and threatening the health of the people.

[0003] At present, the waste gas adsorption and desorption device used for treating volatile organic compounds generally installs the adsorption tube for treating the waste gas in the treatment box. The waste gas enters from the bottom of the treatment box and is discharged from the top after purification. When the treatment box needs to be maintained, the treatment equipment needs to be shut down and then maintenance and replacement are carried out. In addition, the waste gas flows from bottom to top, and the amount of waste gas flowing through the edge of the treatment box is small, so the treatment effect is greatly reduced. The utility model proposes a new solution to the above problems. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide an exhaust gas adsorption and desorption device to solve the technical problems mentioned in the background technology.

[0005] In order to solve the above problems, the utility model adopts the technical solution as mentioned above:

[0006] An exhaust gas adsorption and desorption device comprises a treatment box, wherein an air inlet and an air outlet are respectively provided at both ends of the treatment box, a plurality of partitions are arranged in the treatment box, the partitions divide the treatment box into a plurality of independent chambers, air vents for gas passage are provided on the partitions, adjacent chambers are connected through the air vents, the front side wall and the rear side wall of the treatment box are respectively provided with the openings at positions corresponding to the chambers, an adsorption and desorption mechanism is inserted in the opening, a slide rail is provided in the chamber, the adsorption and desorption mechanism is slidably connected to the slide rail, a sealing plate is fixed between the slide rail and the inner wall of the chamber, wherein

[0007] The adsorption and desorption mechanism comprises an adsorption tube, a mounting frame, an upper limit plate, and a lower limit plate. One end of the mounting frame passes through the opening and is inserted into the chamber. Sealing mechanisms are respectively provided at the front and rear ends of the mounting frame. The mounting frame is sealed and connected to the opening through the sealing mechanism. The lower limit plate is fixed to the inner bottom of the mounting frame. The upper limit plate is detachably connected to the top of the inner side of the mounting frame. A plurality of upper limit through holes and lower limit through holes are cooperatively provided on the upper limit plate and the lower limit plate. A plurality of adsorption tubes are provided. The two ends of the adsorption tubes are respectively inserted into the corresponding upper limit through holes and the lower limit through holes.

[0008] The sealing mechanism includes an inner sealing plate, a rubber sealing ring, an outer sealing plate, and a connecting piece. The inner sealing plate is fixed to the front and rear ends of the mounting frame. A sealing groove is provided on the outer edge of the inner sealing plate. The rubber sealing ring is embedded in the sealing groove, and the rubber sealing ring is sealed to the opening. The outer sealing plate is detachably connected to the inner sealing plate through the connecting piece. A positioning mechanism is fixed to the position of the opening on the outside of the processing box, and a catheter is detachably connected to the positioning mechanism.

[0009] Preferably, the connecting member includes a spring, a telescopic rod, a locking tube, and a locking block. The spring is sleeved on the outside of the telescopic rod, and the two ends of the spring are respectively fixed at the two ends of the telescopic rod. The locking tube is embedded and fixed in the inner sealing plate, one end of the telescopic rod is fixed to the bottom of the lock tube, and the other end of the telescopic rod is rotatably connected to the locking block. A connecting through hole for connection is provided on the outer sealing plate, and a limiting groove is provided at one end of the connecting through hole, and the locking block passes through the connecting through hole and is inserted into the limiting groove.

[0010] In any of the above schemes, preferably, four groups of the connecting members are provided, and the four groups of the connecting members are respectively installed at four corners of one side of the inner sealing plate, and a buckle is provided at the end of the locking block.

[0011] In any of the above schemes, it is preferred that the positioning mechanism includes a fixed frame, a temporary fixing rod, and a hanging ring, the fixed frame is fixedly connected to the processing box, an annular plug-in groove is provided on the fixed frame at a position corresponding to the catheter, the hanging ring is provided with two groups, one group of hanging rings is rotatably connected to the fixed frame, and the other group of hanging rings is rotatably connected to the catheter, hooks are fixed at both ends of the temporary fixing rod, and the temporary fixing rod is connected to the hanging ring through the hooks.

[0012] In any of the above schemes, preferably, a guide rail is embedded and fixed inside the inner side of the conduit, and the outer sealing plate is arranged in coordination with the guide rail and the conduit.

[0013] In any of the above schemes, preferably, legs are respectively provided at the four corners of the bottom of the processing box, and reinforcing rods are fixed between adjacent legs.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] The design of the processing box, adsorption and desorption mechanism, sealing mechanism and positioning mechanism in the utility model is that when the adsorption and desorption mechanism needs to be replaced after being used for a period of time, two methods can be selected: shutdown replacement and operation replacement. If shutdown replacement is selected, the processing equipment connected to the processing box is stopped, the adsorption and desorption mechanism is pulled out of the processing box, a new adsorption tube is replaced, and then the adsorption and desorption mechanism is reset; and when replacement is selected in the operation state, the outer sealing plate on one side can be disassembled, the conduit is connected to the opening corresponding to the adsorption and desorption mechanism to be replaced through the positioning mechanism, and then the adsorption and desorption mechanism and the sealing mechanism with the new adsorption tube pre-installed are pushed out along the conduit to push out the adsorption and desorption mechanism to be replaced. During the replacement process, the outer sealing plate and the conduit are sealed and slid, and no polluted gas is leaked. There is no need to shut down for replacement. The replacement method can be flexibly selected according to production requirements, which is more convenient to use. The processing box adopts a zigzag arrangement, which can make the waste gas flow route in the processing box longer and the treatment effect better. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an exhaust gas adsorption and desorption device of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the processing box;

[0018] Figure 3 It is a structural schematic diagram of the sealing mechanism and the connecting parts.

[0019] Description of the numbers in the figure:

[0020] 1. Processing box; 101. Air inlet; 102. Air outlet; 2. Partition; 3. Chamber; 4. Air vent; 5. Opening; 6. Adsorption and desorption mechanism; 7. Slide rail; 8. Sealing plate; 601. Adsorption tube; 602. Mounting frame; 603. Upper limit plate; 604. Lower limit plate; 9. Sealing mechanism; 605. Upper limit through hole; 606. Lower limit through hole; 901. Inner sealing plate; 902. Rubber sealing ring; 903. Outer sealing plate; 10 , connector; 904, sealing groove; 11, positioning mechanism; 1001, spring; 1002, telescopic rod; 1003, locking tube; 1004, locking block; 905, connecting through hole; 906, limiting groove; 1005, buckle; 1101, fixing frame; 1102, temporary fixing rod; 1103, hanging ring; 1104, annular plug-in groove; 1105, hook; 12, conduit; 13, guide rail; 14, support leg; 15, reinforcing rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] See also Figures 1 to 3 A waste gas adsorption and desorption device comprises a treatment box 1, wherein an air inlet 101 and an air outlet 102 are respectively provided at both ends of the treatment box 1, a plurality of partitions 2 are arranged in the treatment box 1, and the partitions 2 divide the treatment box 1 into a plurality of independent chambers 3, and vents 4 for gas to pass through are provided on the partitions 2, and adjacent chambers 3 are connected through the vents 4, and the front side wall and the rear side wall of the treatment box 1 are respectively provided with the openings 5 ​​at positions corresponding to the chambers 3, and an adsorption and desorption mechanism 6 is inserted in the opening 5, and a slide rail 7 is provided in the chamber 3, and the adsorption and desorption mechanism 6 is slidably connected to the slide rail 7, and a sealing plate 8 is fixed between the slide rail 7 and the inner wall of the chamber 3, wherein

[0024] The adsorption and desorption mechanism 6 includes an adsorption tube 601, a mounting frame 602, an upper limit plate 603, and a lower limit plate 604. One end of the mounting frame 602 passes through the opening 5 and is inserted into the chamber 3. Sealing mechanisms 9 are respectively provided at the front and rear ends of the mounting frame 602. The mounting frame 602 is sealed and connected to the opening 5 through the sealing mechanism 9. The lower limit plate 604 is fixed to the inner bottom of the mounting frame 602. The upper limit plate 603 is detachably connected to the top of the inner side of the mounting frame 602. A plurality of upper limit through holes 605 and lower limit through holes 606 are cooperatively provided on the upper limit plate 603 and the lower limit plate 604. A plurality of adsorption tubes 601 are provided. The two ends of the adsorption tube 601 are respectively inserted into the corresponding upper limit through holes 605 and lower limit through holes 606.

[0025] The sealing mechanism 9 includes an inner sealing plate 901, a rubber sealing ring 902, an outer sealing plate 903, and a connecting piece 10. The inner sealing plate 901 is fixed to the front and rear ends of the mounting frame 602. A sealing groove 904 is provided on the outer edge of the inner sealing plate 901. The rubber sealing ring 902 is embedded in the sealing groove 904, and the rubber sealing ring 902 is sealed and fitted with the opening 5. The outer sealing plate 903 is detachably connected to the inner sealing plate 901 through the connecting piece 10. A positioning mechanism 11 is fixed to the position of the outer side of the processing box 1 corresponding to the opening 5, and a guide tube 12 is detachably connected to the positioning mechanism 11.

[0026] The design of the processing box 1, the adsorption and desorption mechanism 6, the sealing mechanism 9, and the positioning mechanism 11 is that when the adsorption and desorption mechanism 6 needs to be replaced after being used for a period of time, two methods can be selected: shutdown replacement and operation replacement. If shutdown replacement is selected, the processing equipment connected to the processing box 1 will be stopped, the adsorption and desorption mechanism 6 will be pulled out of the processing box 1, and a new adsorption tube 601 will be replaced, and then the adsorption and desorption mechanism 6 can be reset; when replacement is selected in the operating state, the outer sealing plate 903 on one side can be removed, and the conduit 12 can be connected to the opening 5 corresponding to the adsorption and desorption mechanism 6 to be replaced through the positioning mechanism 11, and then the adsorption and desorption mechanism 6 and the sealing mechanism 9 with the new adsorption tube 601 pre-installed can be pushed out along the conduit 12. During the replacement process, the outer sealing plate 903 and the conduit 12 are sealed and slid, and no polluted gas leaks out. There is no need to shut down for replacement, and the replacement method can be flexibly selected according to production requirements, which is more convenient to use.

[0027] In this embodiment, the connecting member 10 includes a spring 1001, a telescopic rod 1002, a locking tube 1003, a locking block 1004, and the spring 1001 is sleeved on the outside of the telescopic rod 1002, and the two ends of the spring 1001 are respectively fixed to the two ends of the telescopic rod 1002, the locking tube 1003 is embedded and fixed in the inner sealing plate 901, one end of the telescopic rod 1002 is fixed to the bottom of the locking tube 1003, and the other end of the telescopic rod 1002 is rotatably connected to the locking block 1004, and a connecting through hole 905 for connection is opened on the outer sealing plate 903, and a limiting groove 906 is opened at one end of the connecting through hole 905 , the locking block 1004 passes through the connecting through hole 905 and is inserted into the limiting groove 906; the outer sealing plate 903 is used as the end limiting component of the adsorption and desorption mechanism 6, that is, the outer sealing plate 903 is attached to the outer wall of the processing box 1 outside the two ends of the adsorption and desorption mechanism 6. When the adsorption and desorption mechanism 6 needs to be disassembled and replaced, when the outer sealing plate 903 is installed on the adsorption and desorption mechanism 6, the spring 1001 is in a stretched state, and the locking block 1004 is rotated, and the locking block 1004 is used to disengage the limiting groove 906 and is pulled into the connecting through hole 905 by the spring 1001. At this time, the outer sealing plate 903 can be removed, and disassembly and installation are convenient.

[0028] In this embodiment, four groups of connecting parts 10 are provided, and the four groups of connecting parts 10 are respectively installed at the four corners of one side of the inner sealing plate 901, and a buckle 1005 is provided at the end of the locking block 1004; when it is necessary to install the outer sealing plate 903, use a finger to pass through the connecting through hole 905 to buckle the buckle 1005, and pull the locking block 1005 along the connecting through hole 905 to fall into the limiting groove 906, so as to install the outer sealing plate 903 in place.

[0029] In this embodiment, the positioning mechanism 11 includes a fixed frame 1101, a temporary fixing rod 1102, and a hanging ring 1103. The fixed frame 1101 is fixedly connected to the processing box 1. The fixed frame 1101 is provided with an annular plug-in groove 1104 at a position corresponding to the conduit 12. The hanging ring 1103 is provided with two groups, one of which is rotatably connected to the fixed frame 1101, and the other is rotatably connected to the conduit 12. Hooks 1105 are fixed at both ends of the temporary fixing rod 1102. The temporary fixing rod 1102 is fixedly connected to the processing box 1. The hook 1105 is connected to the hanging ring 1103; when choosing to replace in the running state, the outer sealing plate 903 on one side can be removed, and the conduit 12 can be connected to the opening 5 corresponding to the adsorption and desorption mechanism 6 that needs to be replaced through the positioning mechanism 11, that is, the conduit 12 is plugged into the fixed frame 1101, and the temporary fixing rod 1102 is connected to the hanging ring 1103 through the hook 1105, and then the adsorption and desorption mechanism 6 and the sealing mechanism 9 with the new adsorption tube 601 pre-installed are pushed out along the conduit 12.

[0030] In this embodiment, a guide rail 13 is embedded and fixed inside the inner side of the conduit 12 , and the outer sealing plate 903 is arranged in cooperation with the guide rail 13 and the conduit 12 ; the guide rail 13 is used to provide a guiding function for the outer sealing plate 903 .

[0031] In this embodiment, legs 14 are respectively provided at the four corners of the bottom of the processing box 1, and reinforcing rods 15 are fixed between adjacent legs 14; the legs 14 are used to provide bottom support for the processing box 1 to prevent the processing box 1 from directly contacting the ground and being worn.

[0032] The working process of the utility model is as follows:

[0033] When the adsorption and desorption mechanism 6 needs to be replaced after being used for a period of time, two methods can be selected: shutdown replacement and operation replacement. If shutdown replacement is selected, the processing equipment connected to the processing box 1 will be stopped, the adsorption and desorption mechanism 6 will be pulled out of the processing box 1, and a new adsorption tube 601 will be replaced, and then the adsorption and desorption mechanism 6 can be reset; when replacement is selected in the operating state, the outer sealing plate 903 on one side can be removed, and the conduit 12 can be connected to the opening 5 corresponding to the adsorption and desorption mechanism 6 to be replaced through the positioning mechanism 11, and then the adsorption and desorption mechanism 6 and the sealing mechanism 9 with the new adsorption tube 601 pre-installed can be pushed out along the conduit 12. During the replacement process, the outer sealing plate 903 and the conduit 12 are sealed and slid, and no polluted gas leaks out. There is no need to shut down for replacement. The replacement method can be flexibly selected according to production requirements, which is more convenient to use.

[0034] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A waste gas adsorption and desorption device, comprising a treatment box (1), wherein two ends of the treatment box (1) are respectively provided with an air inlet (101) and an air outlet (102), characterized in that: The processing box (1) is provided with a plurality of partitions (2), the partitions (2) divide the processing box (1) into a plurality of independent chambers (3), the partitions (2) are provided with ventilation holes (4) for gas to pass through, adjacent chambers (3) are connected through the ventilation holes (4), the front side wall and the rear side wall of the processing box (1) are respectively provided with openings (5) at positions corresponding to the chambers (3), an adsorption and desorption mechanism (6) is inserted into the opening (5), a slide rail (7) is provided in the chamber (3), the adsorption and desorption mechanism (6) is slidably connected to the slide rail (7), a sealing plate (8) is fixed between the slide rail (7) and the inner wall of the chamber (3), wherein The adsorption and desorption mechanism (6) comprises an adsorption tube (601), a mounting frame (602), an upper limit plate (603), and a lower limit plate (604); one end of the mounting frame (602) passes through the opening (5) and is inserted into the chamber (3); sealing mechanisms (9) are respectively provided at the front and rear ends of the mounting frame (602); the mounting frame (602) is sealed and connected to the opening (5) through the sealing mechanism (9); the lower limit plate (604) is fixed to the inner bottom of the mounting frame (602); the upper limit plate (603) is detachably connected to the inner top of the mounting frame (602); and a plurality of upper limit through holes (605) and lower limit through holes (606) are cooperatively provided on the upper limit plate (603) and the lower limit plate (604); the adsorption tube (601) is provided with a plurality of them; and the two ends of the adsorption tube (601) are respectively inserted into the corresponding upper limit through holes (605) and lower limit through holes (606); The sealing mechanism (9) comprises an inner sealing plate (901), a rubber sealing ring (902), an outer sealing plate (903), and a connecting piece (10); the inner sealing plate (901) is fixed to the front and rear ends of the mounting frame (602); a sealing groove (904) is provided on the outer edge of the inner sealing plate (901); the rubber sealing ring (902) is embedded in the sealing groove (904), and the rubber sealing ring (902) is sealed against the opening (5); the outer sealing plate (903) is detachably connected to the inner sealing plate (901) via the connecting piece (10); a positioning mechanism (11) is fixed to the position of the outer side of the processing box (1) corresponding to the opening (5); and a guide tube (12) is detachably connected to the positioning mechanism (11).

2. The exhaust gas adsorption and desorption device according to claim 1, characterized in that: The connecting member (10) comprises a spring (1001), a telescopic rod (1002), a locking tube (1003), and a locking block (1004); the spring (1001) is sleeved on the outside of the telescopic rod (1002), and two ends of the spring (1001) are respectively fixed to two ends of the telescopic rod (1002); the locking tube (1003) is embedded and fixed in the inner sealing plate (901); one end of the telescopic rod (1002) is fixed to the bottom of the locking tube (1003); the other end of the telescopic rod (1002) is rotatably connected to the locking block (1004); a connecting through hole (905) for connection is provided on the outer sealing plate (903), and a limiting groove (906) is provided at one end of the connecting through hole (905); the locking block (1004) passes through the connecting through hole (905) and is inserted into the limiting groove (906).

3. The exhaust gas adsorption and desorption device according to claim 2, characterized in that: Four groups of the connecting members (10) are provided, and the four groups of the connecting members (10) are respectively installed at the four corners of one side of the inner sealing plate (901), and a buckle (1005) is provided at the end of the locking block (1004).

4. The exhaust gas adsorption and desorption device according to claim 1, characterized in that: The positioning mechanism (11) comprises a fixed frame (1101), a temporary fixing rod (1102), and a hanging ring (1103); the fixed frame (1101) is fixedly connected to the processing box (1); a ring-shaped plug-in groove (1104) is provided on the fixed frame (1101) at a position corresponding to the conduit (12); two groups of hanging rings (1103) are provided, one group of hanging rings (1103) is rotatably connected to the fixed frame (1101), and the other group of hanging rings (1103) is rotatably connected to the conduit (12); hooks (1105) are fixed at both ends of the temporary fixing rod (1102), and the temporary fixing rod (1102) is connected to the hanging ring (1103) via the hooks (1105).

5. The exhaust gas adsorption and desorption device according to claim 4, characterized in that: A guide rail (13) is embedded and fixed inside the inner side of the conduit (12), and the outer sealing plate (903) is arranged in coordination with the guide rail (13) and the conduit (12).

6. The exhaust gas adsorption and desorption device according to claim 1, characterized in that: Support legs (14) are respectively arranged at the four corners of the bottom of the processing box (1), and reinforcing rods (15) are fixed between adjacent support legs (14).