VOCs tail gas recycling and purifying device with multi-stage filtering function

Abstract

The utility model belongs to the field of tail gas recovery and purification devices, and particularly relates to a VOCs tail gas recovery and purification device with a multi-stage filtering function, which comprises a purification tank, two square frames are rotatably connected to the inner side of the purification tank, a filter plate is fixedly connected to the inner side of each square frame, a rotating shaft is fixedly connected to the side edge of each square frame, and a filter screen is fixedly connected to the rotating shaft. The rotating shaft penetrates through the purification tank and is connected with the purification tank through a bearing, the tail end of the rotating shaft is fixedly connected with a belt pulley, and the outer side of the belt pulley is sleeved with a connecting belt. The two square frames with the rotating shafts are arranged in the filtering tank, the filtering plates are arranged on the inner sides of the square frames, and the apertures of the sieve pores of the two filtering plates are different, so that multi-stage filtering of tail gas can be realized, in addition, the belt pulleys are arranged at the tail ends of the rotating shafts, and the belt pulleys are connected through the connecting belt, so that the tail gas can be filtered by rotating the belt pulleys. The two filter plates can be turned over at the same time, so that intercepted impurities can be conveniently discharged.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas recovery purification device field, concretely is a kind of VOCs tail gas recovery purification device with multistage filtration function. BACKGROUND

[0002] VOCs tail gas recovery purification device is a kind of equipment for VOCs tail gas treatment, it can filter particulate matter to VOCs tail gas, while subsequent utilize its heat.

[0003] In the utility model patent with the authorization announcement No.CN212999340U, it discloses a kind of VOCs processing device, including pipeline sequentially connected waste gas source, pretreatment device, UV photocatalytic processing device, plasma purification device, heating device, adsorption filter device and tail gas recovery device, plasma purification device, heating device and adsorption filter device are respectively equipped with VOCs detector.

[0004] And in the prior art, exhaust gas is often filtered by single-stage filter, and the trapped particulate matter is not easy to discharge from the equipment. Therefore, it needs to be improved. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of VOCs tail gas recovery purification device with multistage filtration function, solve the problem that the prior art filtering effect is poor and the trapped particulate matter is not easy to discharge from the equipment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of VOCs tail gas recovery purification device with multistage filtration function, including purification tank, the inner side of the purification tank is rotatably connected with two square boxes, the inner side of each square box is fixedly connected with filter plate, the side of the square box is fixedly connected with rotating shaft, the rotating shaft penetrates the purification tank and is connected with the purification tank by bearing, the end of the rotating shaft is fixedly connected with pulley, the outer side of the pulley is sleeved with connecting belt, the lower pulley is fixedly connected with rotating rod, the outer wall of the purification tank is provided with locking mechanism.

[0007] Preferably, the screen hole diameter of the upper filter plate is greater than that of the lower filter plate. The two filter plates have different hole diameters, which can achieve multistage filtration of tail gas purification.

[0008] Preferably, the front and rear edges of the square box are both provided with circular arc chamfer. By setting the circular arc chamfer, the jamming between the square box and the purification tank during rotation can be prevented.

[0009] Preferably, the upper and lower ends of the purification tank are both fixedly connected with end cover, the end cover is fixedly connected with channel, and the channel is arranged through the end cover. By setting the end cover and the channel, the entry and exit of tail gas in the purification tank are facilitated.

[0010] Preferably, the locking mechanism comprises a hollow sleeve fixedly connected to the outer wall of the purification tank, a sliding rod slidingly connected to the inner side of the hollow sleeve, a connecting rod fixedly connected to the rod body of the sliding rod, a limiting sleeve fixedly connected to the end of the connecting rod, and the limiting sleeve slidingly sleeved on the outer side of the rotating rod. Through the setting of the locking mechanism, the rotating rod is locked, thereby ensuring the stability of the horizontal state of the square frame and the filter plate.

[0011] Preferably, the inner side of the hollow sleeve is provided with a spring, one end of the spring is fixedly connected with the sliding rod, and the other end of the spring is fixedly connected to the inner surface of the hollow sleeve. Through the setting of the spring, the reaction force can be applied to the limiting sleeve through the sliding rod and the connecting rod.

[0012] Preferably, a guide block is fixedly connected to the rod body of the sliding rod, and the guide block is slidingly connected with the hollow sleeve. Through the setting of the guide block, the sliding of the sliding rod in the hollow sleeve is guided.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a filter tank, which comprises a filter tank body, two square frames with rotating shafts arranged in the filter tank body, and filter plates arranged on the inner sides of the square frames.

[0015] 2. The utility model discloses a filter tank, which comprises a filter tank body, two square frames with rotating shafts arranged in the filter tank body, and filter plates arranged on the inner sides of the square frames. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure perspective drawing of the utility model;

[0017] Figure 2 It is a whole structure perspective drawing of the utility model; Figure 1 It is a schematic view of the internal structure of the purification tank of the utility model;

[0018] Figure 3 It is a front view sectional view of the utility model; Figure 1 It is a front view sectional view of the utility model;

[0019] Figure 4 It is an enlarged view of the A part structure of the utility model; Figure 3 It is an enlarged view of the A part structure of the utility model;

[0020] In the figure: 1, purification tank; 2, square frame; 3, filter plate; 4, rotating shaft; 5, pulley; 6, connecting belt; 7, rotating rod; 8, locking mechanism; 9, end cover; 10, channel; 81, hollow sleeve; 82, sliding rod; 83, connecting rod; 84, limiting sleeve; 85, spring; 86, guide block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-3 A VOCs tail gas recovery and purification device with multi-stage filtering function, comprising a purification tank 1, two square frames 2 are rotatably connected to the inner side of the purification tank 1, and the front and rear edges of the square frames 2 are provided with circular arc chamfers. The circular arc chamfer can prevent the square frame 2 from being stuck when rotating with the purification tank 1. Each square frame 2 is fixedly connected with a filter plate 3 on the inner side, and the screen hole diameter of the upper filter plate 3 is larger than that of the lower filter plate 3. The two filter plates 3 have different hole diameters, which can realize multi-stage filtering of the tail gas. The side edges of the square frame 2 are fixedly connected with a rotating shaft 4, the rotating shaft 4 penetrates through the purification tank 1 and is connected with the purification tank 1 through a bearing, the end of the rotating shaft 4 is fixedly connected with a pulley 5, the outer side of the pulley 5 is sleeved with a connecting belt 6, a rotating rod 7 is fixedly connected to the lower pulley 5, and the upper and lower ends of the purification tank 1 are fixedly connected with end covers 9. The end covers 9 are fixedly connected with channels 10, and the channels 10 penetrate through the end covers 9. The end covers 9 and the channels 10 facilitate the entry and exit of the tail gas in the purification tank 1.

[0023] Please refer to Figures 1-4The outer wall of the purifying tank 1 is provided with a locking mechanism 8, the locking mechanism 8 has a locking effect on the rotating rod 7, so that the stability of the horizontal state of the square frame 2 and the filter plate 3 is ensured, the locking mechanism 8 comprises a hollow sleeve 81 fixedly connected to the outer wall of the purifying tank 1, a sliding rod 82 is slidably connected to the inner side of the hollow sleeve 81, a connecting rod 83 is fixedly connected to the rod body of the sliding rod 82, a limiting sleeve 84 is fixedly connected to the end of the connecting rod 83, and the limiting sleeve 84 is slidably sleeved on the outer side of the rotating rod 7. The inner side of the hollow sleeve 81 is provided with a spring 85, one end of the spring 85 is fixedly connected to the sliding rod 82, and the other end of the spring 85 is fixedly connected to the inner surface of the hollow sleeve 81. Through the arrangement of the spring 85, the reaction force can be applied to the limiting sleeve 84 through the sliding rod 82 and the connecting rod 83. The rod body of the sliding rod 82 is fixedly connected with a guide block 86, and the guide block 86 is slidably connected with the hollow sleeve 81. Through the arrangement of the guide block 86, the sliding of the sliding rod 82 in the hollow sleeve 81 is guided.

[0024] The specific implementation process of the utility model is as follows: in use, the tail gas can enter from the channel 10 of the upper end cover 9, then pass through the filtration of the two filter plates 3, and then be discharged from the channel 10 of the lower end cover 9, in the later use, the sliding rod 82 is pulled by the connecting rod 83, so that the sliding rod 82 slides in the hollow sleeve 81, and the spring 85 is stretched, at the same time, the limiting sleeve 84 at the end of the connecting rod 83 is separated from the rotating rod 7, so that the restriction on the rotating rod 7 is removed, then the lower belt pulley 5 is rotated through the rotating rod 7, and then the upper belt pulley 5 is synchronously rotated through the action of the connecting belt 6, so that the square frame 2 and the filter plate 3 are turned over through the rotating shaft 4, thereby facilitating the discharge of the trapped impurities.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A VOCs tail gas recovery purification device with multi-stage filtering function, comprising a purification tank (1), characterized in that: The inside of the purification tank (1) is rotationally connected with two square boxes (2), the inside of each square box (2) is fixedly connected with a filter plate (3), the side of the square box (2) is fixedly connected with a rotating shaft (4), the rotating shaft (4) penetrates the purification tank (1) and is connected with the purification tank (1) through a bearing, the end of the rotating shaft (4) is fixedly connected with a belt pulley (5), the outside of the belt pulley (5) is sleeved with a connecting belt (6), the lower belt pulley (5) is fixedly connected with a rotating rod (7), and the outer wall of the purification tank (1) is provided with a locking mechanism (8).

2. The VOCs tail gas recovery and purification device with multi-stage filtering function according to claim 1, characterized in that: The screen hole diameter of the upper filter plate (3) is greater than that of the lower filter plate (3).

3. The VOCs exhaust gas recovery and purification device with multi-stage filtering function according to claim 1, characterized in that: The front and rear edges of the square box (2) are both provided with a circular arc chamfer.

4. The VOCs exhaust gas recovery and purification device with multi-stage filtering function according to claim 1, characterized in that: The upper and lower ends of the purification tank (1) are both fixedly connected with an end cover (9), the end cover (9) is fixedly connected with a channel (10), and the channel (10) penetrates the end cover (9) and is arranged.

5. The VOCs exhaust gas recovery and purification device with multi-stage filtering function according to claim 1, characterized in that: The locking mechanism (8) comprises a hollow sleeve (81) fixedly connected to the outer wall of the purification tank (1), a sliding rod (82) slidably connected to the inside of the hollow sleeve (81), a connecting rod (83) fixedly connected to the rod body of the sliding rod (82), a limiting sleeve (84) fixedly connected to the end of the connecting rod (83), and the limiting sleeve (84) is slidably sleeved on the outside of the rotating rod (7).

6. The VOCs exhaust gas recovery and purification device with multi-stage filtering function according to claim 5, characterized in that: The inside of the hollow sleeve (81) is provided with a spring (85), one end of the spring (85) is fixedly connected with the sliding rod (82), and the other end of the spring (85) is fixedly connected to the inner surface of the hollow sleeve (81).

7. The VOCs exhaust gas recovery and purification device with multi-stage filtering function according to claim 5, characterized in that: The rod body of the sliding rod (82) is fixedly connected with a guide block (86), and the guide block (86) is slidably connected with the hollow sleeve (81).

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