CN216878625U

CN216878625U - Tail gas recovery device for fluorobenzene synthesis convenient for replacing filler

Info

Publication number: CN216878625U
Application number: CN202123375362.3U
Authority: CN
Inventors: 赵树清; 王乐; 赵常宇; 费晓忠
Original assignee: Shandong Fuer Co ltd
Current assignee: Shandong Fuer Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-05
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a tail gas recovery device for fluorobenzene synthesis, which is convenient for replacing a filler and comprises an absorption tower, wherein the upper end of the front side of the absorption tower is provided with a bin door, the bin door is in sliding connection with a sealing plate, the left side of the sealing plate is provided with a second connecting piece, the left side and the right side of the middle part of the absorption tower are respectively provided with an end cover, the end covers are rotationally connected with a cross rod, the cross rod is connected with a first connecting piece, the cross rod is connected with a screw rod through a bevel gear set, the screw rod is sleeved in a shaft tube sleeve, the shaft tube sleeve is slidably connected in a limiting groove on the inner wall of the absorption tower, the shaft tube sleeve is fixedly connected with a support frame, the utility model lifts the filler by the supporting frame through the bin door arranged on the upper side, the spray rack is drawn out of the absorption tower, so that the spray pipe on the spray rack is maintained, and the maintenance difficulty is reduced.

Description

Tail gas recovery device for fluorobenzene synthesis convenient for replacing filler

Technical Field

The utility model relates to the field of tail gas recovery, in particular to a tail gas recovery device for fluorobenzene synthesis, which is convenient for replacing a filler.

Background

In the process of fluorobenzene synthesis, tail gas is generated and can be discharged after being treated, in the prior art, purge gas and reaction tail gas are sequentially sent into an activated carbon adsorption tower and a solid soda lime absorption tower for adsorption so as to remove unreacted fluorine gas and acid gas in the reaction tail gas, and finally the obtained non-condensable gas is discharged at high altitude.

In the process of absorption, the filler needs to be replaced after a period of time, but the existing mechanism has the problems of inconvenient replacement and difficult filler replacement. Therefore, those skilled in the art have provided an apparatus for recovering tail gas for fluorobenzene synthesis, which facilitates the replacement of the filler, so as to solve the problems mentioned in the above background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a tail gas recovery device for fluorobenzene synthesis, which is convenient for filler replacement and comprises an absorption tower, wherein an air inlet and a liquid inlet are formed in the front side of the absorption tower, an air outlet is formed in the upper side of the absorption tower, a bin door is arranged at the upper end of the front side of the absorption tower, a sealing plate is slidably connected in the bin door, a second connecting piece is arranged on the left side of the sealing plate, the second connecting piece comprises a gear and a clamping port, the gear is meshed with a rack on the front side of the sealing plate, and a tool is connected with the clamping port to drive the sealing plate to move;

the middle part left and right sides of absorption tower all is equipped with the end cover, and the end cover internal rotation is connected with the horizontal pole, and horizontal pole connection connecting piece one, the horizontal pole passes through bevel gear group connection lead screw, and the lead screw cup joints in the central siphon cover, and central siphon cover sliding connection is in the spacing inslot of absorption tower inner wall, central siphon cover fixed connection support frame, a plurality of filler frames have been placed to the top of support frame, have placed the filler in the filler frame, the height that highly is less than the door of filler frame makes things convenient for the filler frame to shift out.

Preferably: the shrouding is equipped with the sealed pad of frame form towards absorption tower body one side, improves the leakproofness.

Preferably: the equal sliding connection in the door of storehouse of the upper and lower both sides of shrouding, the door inboard is equipped with sealed the pad.

Preferably: the upper sides of the packing frame and the supporting frame are both fixed with a plurality of annular butt joint strips, and the lower side of the packing frame is provided with a corresponding annular groove.

Preferably: the butt joint strip and the absorption tower are coaxially arranged, the section of the upper end of the butt joint strip is smaller than that of the lower end of the butt joint strip, and butt joint is facilitated.

Preferably: the downside of support frame is fixed with the T type guide rail of fore-and-aft direction, sliding connection center block on the T type guide rail, and the downside joint of center block has a plurality of layers to spray the frame, sprays between the frame and all through bellows connection between the inlet.

Preferably: the center block is provided with a plurality of layers of annular grooves, the spray rack is fixed in the annular grooves through positioning bolts, and the lower end of the center block is connected with a threaded cover, so that the spray rack is convenient to disassemble and convenient to maintain.

The utility model has the technical effects and advantages that:

1. according to the utility model, the bin door is arranged on the upper side, the filler is lifted by the support frame and is replaced outside, and the bin door is convenient and quick.

2. According to the utility model, the spray frame is drawn out of the absorption tower, so that the spray pipe on the spray frame is maintained, and the maintenance difficulty is reduced.

Drawings

Fig. 1 is a schematic perspective view of a tail gas recovery device for fluorobenzene synthesis, which is convenient for replacing a filler and provided by the application;

fig. 2 is a schematic top view of the tail gas recovery device for fluorobenzene synthesis, which is convenient for replacing the filler and provided by the present application;

FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;

FIG. 4 is a schematic view of a portion of the enlarged structure of A in FIG. 3;

fig. 5 is a schematic structural diagram of a sealing plate in the tail gas recovery device for fluorobenzene synthesis, which is convenient for replacing the filler;

in the figure: 1. an absorption tower; 2. an air inlet; 3. a liquid inlet; 4. an end cap; 5. a first connecting piece; 6. a second connecting piece; 7. a bin gate; 8. closing the plate; 9. an air outlet; 10. a filling frame; 11. butting strips; 12. a limiting groove; 13. a support frame; 14. a T-shaped guide rail; 15. a center block; 16. a spray rack; 17. a bellows; 18. positioning the bolt; 19. a bevel gear set; 20. a cross bar; 21. a sleeve for the shaft; 22. and a screw rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 5, in the present embodiment, there is provided a tail gas recovery device for fluorobenzene synthesis, which is convenient for filler replacement, and includes an absorption tower 1, an air inlet 2 and a liquid inlet 3 are disposed on a front side of the absorption tower 1, an air outlet 9 is disposed on an upper side of the absorption tower 1, a door 7 is disposed at an upper end of the front side of the absorption tower 1, a sealing plate 8 is slidably connected in the door 7, a second connecting member 6 is disposed on a left side of the sealing plate 8, the second connecting member 6 includes a gear and a clamping port, the gear engages with a rack on the front side of the sealing plate 8, the sealing plate 8 is driven to move by a clamping port connecting tool, a frame-shaped sealing gasket is disposed on one side of the sealing plate 8 facing a body of the absorption tower 1, so as to improve sealing performance, both upper and lower sides of the sealing plate 8 are slidably connected in the door 7, and a sealing gasket is disposed on an inner side of the door 7;

the left side and the right side of the middle of the absorption tower 1 are respectively provided with an end cover 4, the end covers 4 are rotationally connected with a cross rod 20, the cross rod 20 is connected with a first connecting piece 5, the cross rod 20 is connected with a screw rod 22 through a bevel gear set 19, the screw rod 22 is sleeved in a shaft sleeve 21, the shaft sleeve 21 is slidably connected in a limiting groove 12 on the inner wall of the absorption tower 1, the shaft sleeve 21 is fixedly connected with a support frame 13, a plurality of packing frames 10 are placed above the support frame 13, packing is placed in the packing frames 10, the height of the packing frames 10 is smaller than that of a bin gate 7, the packing frames 10 are convenient to move out, a plurality of annular butt-joint strips 11 are fixed on the upper sides of the packing frames 10 and the support frame 13, corresponding annular grooves are formed in the lower side of the packing frames 10, the butt-joint strips 11 are coaxially arranged with the absorption tower 1, and the upper end sections of the butt-joint strips 11 are smaller than the lower ends, so that butt-joint is convenient;

the downside of support frame 13 is fixed with the T type guide rail 14 of fore-and-aft direction, sliding connection center block 15 on the T type guide rail 14, and the downside joint of center block 15 has a plurality of layers of spray frame 16, all connects through bellows 17 between the spray frame 16 and between the inlet 3, be equipped with a plurality of layers of ring channels on the center block 15, spray frame 16 passes through positioning bolt 18 to be fixed in the ring channel, and the lower extreme of center block 15 is connected with the screw cap for spray frame 16 dismantles conveniently, and maintenance are convenient.

The working principle of the utility model is as follows: when the tail gas absorption device is used, tail gas enters through the gas inlet 2, absorption liquid enters through the liquid inlet 3, and the filler frame 10 is filled with absorption filler. The gas is sprayed and absorbed in sequence, so that the pollution is reduced.

After using a period, need change the filler, through connecting piece two 6 and connecting piece 5 connecting tool, connecting piece two 6 drives shrouding 8 from the left side roll-off, open door 7, take out the filled frame 10 of the top side, connecting piece one 5 drives horizontal pole 20 and rotates after that, and then drives lead screw 22 through bevel gear group 19 and rotates, and lead screw 22 drives axle pipe box 21 and rises, and then drives support frame 13 and rises, lift up the filler, lift off filled frame 10 in proper order, change in the outside.

When the support frame 13 is positioned at the uppermost end, the central block 15 can slide through the T-shaped guide rail 14, so that the spray rack 16 slides out from the bin door 7, the corrugated pipe 17 is kept connected, the spray pipe on the spray rack 16 is maintained, and the maintenance difficulty is reduced.

During installation, reverse operation is only needed, and the butt joint strips 11 ensure the stability after connection.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The tail gas recovery device for fluorobenzene synthesis, which is convenient for filler replacement, comprises an absorption tower (1), wherein an air inlet (2) and a liquid inlet (3) are arranged on the front side of the absorption tower (1), and an air outlet (9) is arranged on the upper side of the absorption tower (1), and is characterized in that a bin door (7) is arranged at the upper end of the front side of the absorption tower (1), a sealing plate (8) is slidably connected in the bin door (7), a connecting piece II (6) is arranged on the left side of the sealing plate (8), the connecting piece II (6) comprises a gear and a clamping port, and the gear is meshed with a rack on the front side of the sealing plate (8);

the middle part left and right sides of absorption tower (1) all is equipped with end cover (4), and end cover (4) internal rotation is connected with horizontal pole (20), and connecting piece (5) are connected in horizontal pole (20), and lead screw (22) are connected through bevel gear group (19) in horizontal pole (20), and lead screw (22) cup joint in axle pipe box (21), and axle pipe box (21) sliding connection is in spacing groove (12) of absorption tower (1) inner wall, axle pipe box (21) fixed connection support frame (13), a plurality of packing framves (10) have been placed to the top of support frame (13), have placed the filler in packing frame (10), the height that highly is less than bin gate (7) of packing frame (10).

2. The tail gas recovery device for fluorobenzene synthesis, which is convenient for replacing the packing, according to claim 1, wherein a frame-shaped sealing gasket is arranged on one side of the sealing plate (8) facing the absorption tower (1) body.

3. The tail gas recovery device for fluorobenzene synthesis, which is convenient for replacing the filler, according to claim 1, wherein the upper side and the lower side of the sealing plate (8) are both connected in the bin gate (7) in a sliding manner, and a sealing gasket is arranged on the inner side of the bin gate (7).

4. The tail gas recovery device for fluorobenzene synthesis, which is convenient for filler replacement, according to claim 1, is characterized in that a plurality of annular butt-joint strips (11) are fixed on the upper sides of the filler frame (10) and the support frame (13), and corresponding annular grooves are formed in the lower side of the filler frame (10).

5. The tail gas recovery device for fluorobenzene synthesis, which is convenient for replacing a filler, according to claim 4, is characterized in that the butt joint strip (11) and the absorption tower (1) are coaxially arranged, and the section of the upper end of the butt joint strip (11) is smaller than that of the lower end.

6. The fluorobenzene synthesis tail gas recovery device convenient for filler replacement according to claim 1, characterized in that a T-shaped guide rail (14) in the front-back direction is fixed on the lower side of the support frame (13), a center block (15) is connected on the T-shaped guide rail (14) in a sliding manner, a plurality of layers of spraying frames (16) are clamped on the lower side of the center block (15), and the spraying frames (16) and the liquid inlet (3) are connected through corrugated pipes (17).

7. The fluorobenzene synthesis tail gas recovery device convenient for filler replacement according to claim 6, wherein a plurality of layers of annular grooves are formed in the central block (15), the spray rack (16) is fixed in the annular grooves through positioning bolts (18), and a threaded cover is connected to the lower end of the central block (15).