CN219091132U

CN219091132U - Xylene rectifying device

Info

Publication number: CN219091132U
Application number: CN202320039708.2U
Authority: CN
Inventors: 陈士博; 曲良龙; 田晓宝; 曲香玉
Original assignee: Beijing Energy Engineering Technologies Co ltd; Cangzhou Lingang Annaiji New Material Co ltd; Karamay Aneji Separation Technology Co ltd
Current assignee: Beijing Energy Engineering Technologies Co ltd; Cangzhou Lingang Annaiji New Material Co ltd; Karamay Aneji Separation Technology Co ltd
Priority date: 2023-01-08
Filing date: 2023-01-08
Publication date: 2023-05-30
Anticipated expiration: 2033-01-08

Abstract

The utility model relates to the field of dimethylbenzene and discloses a dimethylbenzene rectifying device which effectively solves the problem that part of dimethylbenzene liquid can flow back to reboiling equipment at present to cause uneven liquid components in the reboiling equipment.

Description

Xylene rectifying device

Technical Field

The utility model belongs to the field of dimethylbenzene, and particularly relates to a dimethylbenzene rectifying device.

Background

According to patent document with the publication number of CN212523067U, the utility model is entitled "a xylene rectifying device", which is described in the specification: the material is conveyed to the liquid distribution pipe from the feeding pipe, then the liquid distribution pipe is dripped at the top of the distribution plate, meanwhile, the motor is started to enable the rotating rod to rotate with the driving bevel gear, the driving bevel gear rotates to enable the driven bevel gear which is meshed with the driving bevel gear to rotate, the driven bevel gear rotates to enable the mounting rod and the distribution plate which are sequentially connected with the driven bevel gear to rotate, the material on the surface of the distribution plate can be evenly distributed, meanwhile, the reboiler is started, steam generated in the reboiler is used for rectifying the paraxylene liquid through the reboiling port, meanwhile, part of the xylene liquid is converted into steam through the reboiling port and is transmitted into the tower body again through the air return pipe to be rectified, and the steam is discharged through the air outlet, but the following defects still exist:

since part of the xylene liquid can flow back to the reboiling device, the liquid components in the reboiling device are uneven, and the re-rectification of the returned xylene liquid is affected.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects in the prior art, the utility model provides the dimethylbenzene rectifying device, which effectively solves the problem that partial dimethylbenzene liquid can flow back to reboiling equipment at present, so that liquid components in the reboiling equipment are uneven.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a xylene rectifying device comprises a tower body, wherein a feeding pipe is arranged on one side of the tower body, a return pipe is arranged on the other side of the tower body, a feeding device is arranged in the tower body, and a rectifying component is arranged in the tower body;

the rectification subassembly is including installing in the inside reboiling case of tower, the mid-mounting of reboiling case has the cover that rotates, the change groove has been seted up on the inner wall of cover that rotates, logical groove has been seted up to the bottom of cover that rotates, logical groove runs through to the bottom of reboiling case, the internally mounted of cover that rotates has the pivot, the swivel is installed in the outside of pivot, the swivel is rotated with the change groove and is connected, the bottom of pivot is equipped with the driving piece, the connecting rod is installed to the outside equiangle of pivot, stirring flabellum is installed to the bottom of connecting rod, stirring flabellum is located the inside of reboiling case, install heating coil on the interior bottom wall of reboiling case.

Preferably, the driving piece comprises a driven gear arranged at the bottom end of the rotating shaft, the driven gear is positioned below the reboiling box, one side of the driven gear is connected with a driving gear in a meshed mode, the rotation center of the driving gear is provided with an output shaft of a motor, and the motor is fixedly arranged on the inner bottom wall of the tower body.

Preferably, one end of the feeding pipe positioned in the tower body is arranged above the reboiling box, and the first switch valve is arranged in the feeding pipe.

Preferably, the feeding equipment comprises a material inlet pipe arranged at the top end of one side of the tower body, the bottom end of the material inlet pipe is positioned in the tower body, a liquid separation disc is arranged at the bottom end of the material inlet pipe, liquid separation drop pipes are uniformly arranged at the bottom end of the liquid separation disc, and a second switch valve is arranged in the material inlet pipe.

Preferably, a distribution plate is arranged below the liquid distribution plate and fixedly arranged at the top end of the rotating shaft.

Preferably, both ends of the return pipe are located in the tower body, one end of the return pipe is located in the reboiling box, and the other end of the return pipe is located above the liquid separating disc.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, part of the dimethylbenzene flows back into the reboiling box through the reflux pipe, and the stirring fan blade is driven to rotate by the rotating shaft, so that the mixed liquid in the reboiling box is stirred, the liquid in the reboiling box is more uniform, and the reboiling effect of the dimethylbenzene is facilitated;

(2) After the novel material enters into the liquid distribution plate, the liquid distribution plate is dripped from the liquid distribution pipe uniformly arranged at the bottom end of the liquid distribution plate, so that the material can be uniformly distributed, the rotating shaft rotates to drive the distribution plate to rotate, and the material on the surface of the distribution plate is further uniformly dispersed under the action of rotation, so that the rectification is convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a xylene rectifying unit according to the present utility model;

FIG. 2 is a schematic view of the internal structure of the tower body according to the present utility model;

FIG. 3 is a schematic view of the structure of the feeding device of the present utility model;

FIG. 4 is a schematic view of the reboiling box structure of the present utility model;

FIG. 5 is a schematic view of a driving member according to the present utility model;

in the figure: 1. a tower body; 2. a feeding tube; 3. a return pipe; 4. a material inlet pipe; 5. a liquid separation disc; 6. a liquid-separating dropper; 7. a rectification assembly; 701. a reboiling box; 702. a heating coil; 703. a rotating sleeve; 704. a rotary groove; 705. a through groove; 706. a rotating shaft; 707. a distribution plate; 708. a swivel; 709. a connecting rod; 710. stirring fan blades; 711. a driven gear; 712. a drive gear; 713. and a motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The first embodiment is shown in fig. 1-5, the utility model comprises a tower body 1, wherein a feeding pipe 2 is arranged on one side of the tower body 1, a return pipe 3 is arranged on the other side of the tower body 1, a feeding device is arranged in the tower body 1, and a rectifying component 7 is arranged in the tower body 1;

the rectification component 7 comprises a reboiling box 701 arranged in the tower body 1, a rotating sleeve 703 is arranged in the middle of the reboiling box 701, a rotating groove 704 is formed in the inner wall of the rotating sleeve 703, a through groove 705 is formed in the bottom end of the rotating sleeve 703, the through groove 705 penetrates to the bottom of the reboiling box 701, a rotating shaft 706 is arranged in the rotating sleeve 703, a rotating ring 708 is arranged on the outer side of the rotating shaft 706, the rotating ring 708 is rotationally connected with the rotating groove 704, a driving piece is arranged at the bottom end of the rotating shaft 706, a connecting rod 709 is arranged at the outer side of the rotating shaft 706 at equal angles, a stirring fan blade 710 is arranged at the bottom end of the connecting rod 709, part of dimethylbenzene is refluxed into the reboiling box 701 through a reflux pipe 3, and the rotating shaft 706 drives the stirring fan blade 710 to rotate, so that the mixed liquid in the reboiling box 701 is stirred, the liquid in the reboiling box 701 is more uniform, the reboiling effect of dimethylbenzene is convenient, the heating coil 702 is arranged on the inner bottom wall of the reboiling box 701, the driving piece comprises a driven gear 711 arranged at the bottom end of the rotating shaft 706, the driven gear 711 is positioned below the reboiling box 701, one side of the driven gear 711 is connected with a driving gear 712 in a meshed manner, the rotating center of the driving gear 712 is provided with an output shaft of a motor 713, the motor 713 is fixedly arranged on the inner bottom wall of the tower body 1, one end of a charging pipe 2 positioned inside the tower body 1 is arranged above the reboiling box 701, a first switch valve is arranged inside the charging pipe 2, the charging equipment comprises a material inlet pipe 4 arranged at the top end of one side of the tower body 1, the bottom end of the material inlet pipe 4 is positioned inside the tower body 1, a liquid distributing disc 5 is arranged at the bottom end of the material inlet pipe 4, a liquid distributing pipe 6 is uniformly arranged at the bottom end of the liquid distributing disc 5, a second switch valve is arranged inside the material inlet pipe 4, a distributing plate 707 is arranged below the liquid distributing disc 5, distribution board 707 fixed mounting is in the top of pivot 706, and the both ends of back flow 3 all are located the inside of tower body 1, and the one end of back flow 3 is located the inside of reboiling case 701, and the other end of back flow 3 is located the top of dividing the liquid dish 5, and the material enters into the inside back of dividing the liquid dish 5, and the drop pipe 6 that divides the even setting of liquid dish 5 bottom drops to distribution board 707 surface to make the material evenly distributed, pivot 706 rotates simultaneously and drives distribution board 707 and rotate, under the effect of rotation, the material on distribution board 707 surface further evenly disperses, convenient rectification.

Working principle: when the device is used, the switch valve in the material inlet pipe 4 is opened, the material is introduced from the material inlet pipe 4 into the liquid separation disc 5, the liquid separation disc 5 is uniformly provided with the liquid separation pipe 6 at the bottom, so that the material can uniformly drop on the surface of the distribution plate 707 from the liquid separation pipe 6, the heating coil 702 is electrified to heat the interior of the reboiling box 701, so that after heating, water in the reboiling box 701 forms steam to move upwards, the dimethylbenzene is rectified, meanwhile, the motor 713 is started, the output shaft of the motor 713 drives the driving gear 712 to rotate, the driving gear 712 is meshed with the driven gear 711 at the top end of the rotating shaft 706, the rotating shaft 706 is driven to rotate, the distribution plate 707 is driven to rotate, the material at the top end of the distribution plate 707 is further uniformly distributed, and part of dimethylbenzene liquid returns to the interior of the reboiling box 701 through the reflux pipe 3 to be rectified again, and at the moment, the stirring fan blade 710 at the outer side of the rotating shaft 706 is driven to rotate, so that the liquid in the reboiling box is uniformly mixed, and the rectified effect of the dimethylbenzene liquid is improved.

Claims

1. The utility model provides a dimethylbenzene rectifying device, includes tower body (1), its characterized in that: a feeding pipe (2) is arranged on one side of the tower body (1), a return pipe (3) is arranged on the other side of the tower body (1), a feeding device is arranged in the tower body (1), and a rectifying component (7) is arranged in the tower body (1);

rectifying component (7) are including installing in the inside reboiling case (701) of tower body (1), mid-mounting of reboiling case (701) has swivel case (703), set up on the inner wall of swivel case (703) and changeed groove (704), logical groove (705) have been seted up to the bottom of swivel case (703), the internally mounted of swivel case (703) has pivot (706), swivel (708) are installed in the outside of pivot (706), swivel (708) are connected with swivel case (704) rotation, the bottom of pivot (706) is equipped with the driving piece, connecting rod (709) are installed to the outside equiangle of pivot (706), stirring flabellum (710) are installed to the bottom of connecting rod (709), stirring flabellum (710) are located the inside of reboiling case (701), install heating coil (702) on the interior bottom wall of reboiling case (701).

2. The xylene rectifying unit according to claim 1, characterized in that: the driving piece comprises a driven gear (711) arranged at the bottom end of the rotating shaft (706), the driven gear (711) is positioned below the reboiling box (701), one side of the driven gear (711) is connected with a driving gear (712) in a meshed mode, the rotation center of the driving gear (712) is provided with an output shaft of a motor (713), and the motor (713) is fixedly arranged on the inner bottom wall of the tower body (1).

3. The xylene rectifying unit according to claim 1, characterized in that: one end of the feeding pipe (2) positioned in the tower body (1) is arranged above the reboiling box (701), and a first switch valve is arranged in the feeding pipe (2).

4. The xylene rectifying unit according to claim 1, characterized in that: the feeding equipment comprises a material inlet pipe (4) arranged at the top end of one side of the tower body (1), the bottom end of the material inlet pipe (4) is positioned in the tower body (1), a liquid separation disc (5) is arranged at the bottom end of the material inlet pipe (4), liquid separation drop pipes (6) are uniformly arranged at the bottom end of the liquid separation disc (5), and a second switching valve is arranged in the material inlet pipe (4).

5. The xylene rectifying unit according to claim 4, characterized in that: a distribution plate (707) is arranged below the liquid separation plate (5), and the distribution plate (707) is fixedly arranged at the top end of the rotating shaft (706).

6. The xylene rectifying unit according to claim 4, characterized in that: both ends of the return pipe (3) are located in the tower body (1), one end of the return pipe (3) is located in the reboiling box (701), and the other end of the return pipe (3) is located above the liquid separating disc (5).