CN219942845U

CN219942845U - Mixed benzene hydrogenation reaction device

Info

Publication number: CN219942845U
Application number: CN202321661712.9U
Authority: CN
Inventors: 王冠春; 黎宁; 张明; 宜瑞瑞; 汪振; 王宏; 田洋; 曹志峰; 周杨; 朱盛涛
Original assignee: Ningxia Tianyuan Petrochemical Co ltd
Current assignee: Ningxia Tianyuan Petrochemical Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-11-03
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses a mixed benzene hydrogenation reaction device, which belongs to the technical field of benzene processing devices and aims at the problems that crude benzene is not fully reacted with hydrogen and sediment such as polymer, coking and the like can be accumulated on the surface of a catalyst to reduce the activity of the catalyst, and the mixed benzene hydrogenation reaction device comprises a processing barrel, wherein one side of the peripheral surface of the processing barrel is fixedly communicated with an air inlet pipe, the top of the processing barrel is in threaded connection with a top cover, a placing barrel is arranged in the processing barrel, a discharging pipe is fixedly communicated with the bottom of the placing barrel, and the bottom of the discharging pipe extends out of the processing barrel and is rotationally connected with the inner wall of the processing barrel; the placing barrel can rotate during processing operation, so that the period of coking of the catalyst is reduced, the probability that polymer, coking and other sediments can accumulate on the surface of the catalyst is reduced, the utilization rate of the catalyst is improved, and the practicability of the device is improved.

Description

Mixed benzene hydrogenation reaction device

Technical Field

The utility model belongs to the technical field of benzene processing devices, and particularly relates to a mixed benzene hydrogenation reaction device.

Background

The crude benzene is refined by taking crude benzene as a raw material, removing the impurities by chemical and physical methods and the like to obtain high-purity benzene which can be used as the raw material, and the crude benzene can be refined by a corresponding hydrogenation reaction device assisted by a catalyst.

In the prior art, the benzene hydrogenation reaction device has short contact time between benzene and hydrogen, small contact area, insufficient reaction of crude benzene and hydrogen, and deposits such as polymer, coking and the like can be accumulated on the surface of the catalyst in the use process of the catalyst, so that the activity of the catalyst is reduced, the refining efficiency of the crude benzene is reduced, and the use is not facilitated.

Therefore, a mixed benzene hydrogenation reaction device is needed to solve the problems that crude benzene and hydrogen react insufficiently and sediment such as polymer and coking can accumulate on the surface of a catalyst to reduce the activity of the catalyst in the prior art.

Disclosure of Invention

The utility model aims to provide a mixed benzene hydrogenation reaction device to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mixed benzene hydrogenation reaction unit, includes a processing section of thick bamboo, one side fixed intercommunication of processing section of thick bamboo outer peripheral surface has the intake pipe, the top threaded connection of processing section of thick bamboo has the top cap, the inside of processing section of thick bamboo is provided with places the bucket, the bottom fixed intercommunication of placing the bucket has the discharging pipe, the outside that the processing section of thick bamboo was extended to the bottom of discharging pipe and be the rotation with the inner wall of processing section of thick bamboo and be connected the setting, place the inside of bucket and offered and placed the chamber, place the outside that the bucket is located and placed the chamber and offered the thing chamber, put the thing chamber and placed and offered a plurality of connecting holes between the chamber, the top of placing barrel inner peripheral surface is fixed with the supporting seat, the intermediate position department of top cap runs through and is fixed with the gas-supply pipe, the bottom of gas-supply pipe passes the supporting seat and extends to the inside of intake pipe.

In the scheme, it is to be noted that the fixed surface of processing section of thick bamboo bottom is equipped with the motor, the output of motor extends to the position department of processing section of thick bamboo inner chamber, the fixed cover in outer peripheral face of discharging pipe is equipped with the second gear, the fixed cover in outer peripheral face that the motor extends the outside part of processing section of thick bamboo is equipped with first gear, be the meshing between first gear and the second gear and be connected the setting.

It is further worth to say that the top of processing section of thick bamboo inner peripheral surface is fixed with the ring gear, the both sides of ring gear inner peripheral surface meshing have and are the third gear of symmetric distribution, the intermediate position department of third gear runs through and is fixed with the loose axle, the bottom of loose axle is the rotation with the surface of supporting seat and is connected the setting.

It should be further noted that, one side that the loose axle is close to each other is meshed with the fourth gear, the intermediate position department of fourth gear is fixed with the puddler, be the through rotation setting between puddler and the supporting seat, the bottom of puddler extends to the bottom position department of placing the chamber inner chamber.

As a preferred embodiment, the connecting holes are multiple groups, each group of connecting holes are uniformly distributed along the vertical direction, and the connecting holes are distributed in an equidistant surrounding manner at the middle position of the barrel.

As a preferred implementation mode, the bottom of the inner cavity surface of the placing barrel is arc-shaped, and the two gas delivery pipes are arranged at the opposite positions of the two sides of the inner cavity of the placing barrel by taking the central line of the vertical direction of the front surface of the placing barrel as a symmetrical axis.

Compared with the prior art, the mixed benzene hydrogenation reaction device provided by the utility model at least comprises the following beneficial effects:

(1) Through placing the bucket, put thing chamber and place the chamber to add the crude benzol from the gas-supply pipe to place the inside in chamber, put the inside in thing chamber with the catalyst, and from the inside of intake pipe and gas-supply pipe department with hydrogen injection intake pipe, place the bucket and can rotate when processing the operation, thereby reduced the cycle of catalyst coking, thereby reduced the polymer, deposit such as coking can accumulate the probability on the surface of catalyst, thereby improved the utilization ratio of catalyst, thereby improved the practicality of device.

(2) Through ring gear, puddler and fourth gear to when placing the bucket and rotate, can drive the supporting seat and do circular motion, thereby take place the rotation when making the puddler can do circular motion, thereby can carry out intensive mixing to getting into the crude benzol of placing the intracavity portion, thereby make crude benzol can fully make it reduce reaction time with hydrogen contact, thereby improved crude benzol refining's efficiency, thereby further improved the practicality of the device.

Drawings

FIG. 1 is a schematic perspective view of the present utility model in front view;

FIG. 2 is a schematic cross-sectional view of a front view of a three-dimensional structure according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2 in accordance with the present utility model;

fig. 4 is a schematic cross-sectional view of a three-dimensional structure in a top view of the present utility model.

In the figure: 1. a processing cylinder; 2. an air inlet pipe; 3. a top cover; 4. placing a barrel; 5. a discharge pipe; 6. a storage cavity; 7. a placement cavity; 8. a connection hole; 9. a motor; 10. a first gear; 11. a second gear; 12. a gear ring; 13. a support base; 14. a movable shaft; 15. a third gear; 16. a stirring rod; 17. a fourth gear; 18. and a gas pipe.

Detailed Description

Referring to fig. 1-4, the utility model provides a mixed benzene hydrogenation reaction device, which comprises a processing barrel 1, one side of the outer peripheral surface of the processing barrel 1 is fixedly communicated with an air inlet pipe 2, the top of the processing barrel 1 is in threaded connection with a top cover 3, a placement barrel 4 is arranged in the processing barrel 1, a discharging pipe 5 is fixedly communicated with the bottom of the placement barrel 4, the bottom of the discharging pipe 5 extends out of the processing barrel 1 and is in rotary connection with the inner wall of the processing barrel 1, a placement cavity 7 is arranged in the placement barrel 4, a placement cavity 6 is arranged in the placement cavity 7, a plurality of connecting holes 8 are arranged between the placement cavity 6 and the placement cavity 7, a supporting seat 13 is fixed at the top of the inner peripheral surface of the placement barrel 4, an air conveying pipe 18 is fixedly arranged at the middle position of the top cover 3 in a penetrating manner, the bottom of the air conveying pipe 18 penetrates through the supporting seat 13 and extends to the inner part of the air inlet pipe 2, the placement cavity 6 and the placement cavity 7 are arranged in a rotary connection manner, thus crude benzene is added into the inner part of the placement cavity 7 from the position of the processing barrel 18, a catalyst is placed into the inner part of the placement cavity 6, and the placement cavity 2 is injected into the inner part of the placement cavity 2, a plurality of connecting holes 8 are arranged between the placement cavity 4 and the placement cavity 7, a plurality of connecting holes 8 are arranged, when the catalyst is placed inside the air inlet pipe and the air inlet pipe is subjected to be subjected to processing, and the catalyst, the catalyst can accumulate on the surface of a catalyst, and the catalyst can be reduced, when the catalyst can be coked, and can have a cycle can and can be reduced.

Further, as shown in fig. 2, it is worth specifically explaining that the surface of the bottom of the processing cylinder 1 is fixed with a motor 9, the output end of the motor 9 extends to the position of the inner cavity of the processing cylinder 1, the outer peripheral surface of the discharging pipe 5 is fixedly sleeved with a second gear 11, the outer peripheral surface of the outer part of the motor 9 extending out of the processing cylinder 1 is fixedly sleeved with a first gear 10, the first gear 10 and the second gear 11 are in meshed connection, and when the motor 9 is started, the output end of the motor 9 drives the first gear 10 to rotate, so that the first gear 10 can be meshed with the second gear 11, and the discharging pipe 5 can drive the placing cylinder 4 to rotate.

Further, as shown in fig. 2 and fig. 3, it is worth specifically explaining that the top of the inner peripheral surface of the processing cylinder 1 is fixed with the gear ring 12, the two sides of the inner peripheral surface of the gear ring 12 are engaged with the third gears 15 which are symmetrically distributed, the middle position of the third gears 15 is penetrated and fixed with the movable shaft 14, the bottom of the movable shaft 14 is rotatably connected with the surface of the supporting seat 13, one side of the movable shaft 14, which is close to each other, is engaged with the fourth gears 17, the middle position of the fourth gears 17 is fixed with the stirring rod 16, the bottom of the stirring rod 16 is penetrated and rotatably connected with the supporting seat 13, the bottom of the stirring rod 16 extends to the bottom position of the inner cavity of the placing cavity 7, when the placing cylinder 4 is in a rotating process, the supporting seat 13 is driven to do circular motion, the third gears 15 are driven by a human body to rotate under the meshing action between the third gears 15 and the gear ring 12, and the stirring rod 16 is driven to rotate under the meshing action between the third gears 15 and the fourth gears 17, so that coarse benzene inside the placing cylinder 4 can be stirred.

Further, as shown in fig. 3, it is worth specifically explaining that the plurality of groups of connecting holes 8, each group of connecting holes 8 are uniformly distributed along the vertical direction, the plurality of groups of connecting holes 8 are equidistantly and circumferentially distributed at the middle position of the placing barrel 4, and good connectivity is provided between the placing cavity 6 and the placing cavity 7 due to the position distribution of the connecting holes 8, so that the catalyst can fully react with the crude benzene in the placing cavity 7.

The scheme comprises the following working processes: in the in-process of actual use, when the user needs to carry out the exquisite processing to crude benzol, seal discharging pipe 5 at first, and with the pipe way of intake pipe 2 and the external transport hydrogen of gas-supply pipe 18, through separating top cap 3 and processing section of thick bamboo 1, add the catalyst to the inside of putting thing chamber 6, and add crude benzol to the inside of placing chamber 7, afterwards seal top cap 3 from the top of processing section of thick bamboo 1 and start motor 9, thereby make the output of motor 9 drive first gear 10 rotate, thereby make the meshing effect between first gear 10 and the second gear 11, thereby make the material pipe 5 can drive and place bucket 4 and rotate, thereby make loose axle 14 rotate under the meshing effect between its and ring gear 12 from the circular motion of the personnel messenger third gear 15, thereby make puddler 16 rotate under the meshing effect between third gear 15 and fourth gear 17, thereby can stir the crude benzol of placing inside barrel 4, can with hydrogen in the course of stirring, and fully react with the inside of placing chamber 7 through connecting hole 8, thereby the crude benzol can fully contact with the catalyst, the inside of the crude benzol can be placed in the inside of the chamber 7, thereby fully contact with the crude benzol has been reduced, fully.

The working process can be as follows: through placing bucket 4, put thing chamber 6 and place chamber 7, thereby add the crude benzol from gas-supply pipe 18 to the inside of placing chamber 7, put the inside of putting thing chamber 6 with the catalyst, and from the inside of intake pipe 2 with hydrogen injection intake pipe 2 in gas-supply pipe 18 department, place bucket 4 and can rotate when processing the operation, thereby reduce the cycle of catalyst coking, thereby the deposit probability such as polymer, coking can accumulate on the surface of catalyst has been reduced, thereby the utilization ratio of catalyst has been improved, thereby the practicality of the device has been improved, through ring gear 12, puddler 16 and fourth gear 17, thereby when placing bucket 4 and rotate, can drive supporting seat 13 and do circular motion, thereby make puddler 16 take place the rotation when circular motion, thereby can carry out abundant stirring to the crude benzol that gets into the inside of placing chamber 7, thereby make the crude benzol can fully contact with hydrogen and make it reduce reaction time, thereby the efficiency of crude benzol refining has been improved, thereby the practicality of the device has been further improved.

Further, as shown in fig. 4, it is worth specifically explaining that the bottom of the inner cavity surface of the placing barrel 4 is arc-shaped, and the two air delivery pipes 18 are placed at two opposite positions of the inner cavity of the placing barrel 4 by taking the central line of the front vertical direction of the placing barrel 4 as a symmetry axis, and the shape of the inner cavity surface of the placing barrel 4 is convenient for the crude benzene in the air inlet pipe 2 to move to the inner part of the discharging pipe 5 under the action of gravity, and the stirring rod 16 is symmetrically distributed, so that the stirring effect is more uniform.

To sum up: through placing bucket 4, put thing chamber 6 and place chamber 7, thereby add the crude benzol from gas-supply pipe 18 to the inside of placing chamber 7, put the inside of putting thing chamber 6 with the catalyst, and from the inside of intake pipe 2 with hydrogen injection intake pipe 2 in gas-supply pipe 18 department, place bucket 4 and can rotate when processing the operation, thereby reduce the cycle of catalyst coking, thereby the deposit probability such as polymer, coking can accumulate on the surface of catalyst has been reduced, thereby the utilization ratio of catalyst has been improved, thereby the practicality of the device has been improved, through ring gear 12, puddler 16 and fourth gear 17, thereby when placing bucket 4 and rotate, can drive supporting seat 13 and do circular motion, thereby make puddler 16 take place the rotation when circular motion, thereby can carry out abundant stirring to the crude benzol that gets into the inside of placing chamber 7, thereby make the crude benzol can fully contact with hydrogen and make it reduce reaction time, thereby the efficiency of crude benzol refining has been improved, thereby the practicality of the device has been further improved.

The motor 9 can be purchased in the market, and the motor 9 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so that the description is not repeated.

Claims

1. The utility model provides a mixed benzene hydrogenation device, includes processing section of thick bamboo (1), its characterized in that, one side fixed intercommunication of processing section of thick bamboo (1) outer peripheral face has intake pipe (2), the top threaded connection of processing section of thick bamboo (1) has top cap (3), the inside of processing section of thick bamboo (1) is provided with places bucket (4), the fixed intercommunication in bottom of placing bucket (4) has discharging pipe (5), the outside of processing section of thick bamboo (1) is extended to the bottom of discharging pipe (5) and is the rotation with the inner wall of processing section of thick bamboo (1) and is connected the setting, place the inside of bucket (4) and offered and put chamber (7), place the outside of bucket (4) and be located and put chamber (7) and offered a plurality of connecting holes (8) between putting chamber (6) and placing chamber (7), the top of placing bucket (4) inner peripheral face is fixed with supporting seat (13), the intermediate position department of top cap (3) runs through and is fixed with gas-supply pipe (18), the bottom of gas-supply pipe (18) passes supporting seat (13) and extends to the inside of intake pipe (2).

2. The mixed benzene hydrogenation reaction apparatus according to claim 1, wherein: the surface mounting of processing section of thick bamboo (1) bottom has motor (9), the output of motor (9) extends to the position department of processing section of thick bamboo (1) inner chamber, the fixed cover in outer peripheral face of discharging pipe (5) is equipped with second gear (11), the fixed cover in outer peripheral face of the outside part of processing section of thick bamboo (1) of motor (9) extension is equipped with first gear (10), be the meshing between first gear (10) and second gear (11) and connect the setting.

3. The mixed benzene hydrogenation reaction apparatus according to claim 2, wherein: the top of processing section of thick bamboo (1) inner peripheral surface is fixed with ring gear (12), the both sides meshing of ring gear (12) inner peripheral surface has third gear (15) that are symmetrical distribution, the intermediate position department of third gear (15) runs through and is fixed with loose axle (14), the bottom of loose axle (14) is the rotation with the surface of supporting seat (13) and is connected the setting.

4. A mixed benzene hydrogenation reaction apparatus according to claim 3, wherein: one side that loose axle (14) are close to each other is meshed with fourth gear (17), intermediate position department of fourth gear (17) is fixed with puddler (16), be run through rotation between puddler (16) and supporting seat (13) and be connected the setting, the bottom of puddler (16) extends to the bottom position department of placing chamber (7) inner chamber.

5. The mixed benzene hydrogenation reaction apparatus according to claim 1, wherein: the connecting holes (8) are in multiple groups, each group of connecting holes (8) are uniformly distributed along the vertical direction, and the middle positions of the multiple groups of connecting holes (8) for placing the barrel (4) are equidistantly and circumferentially distributed.

6. The mixed benzene hydrogenation reaction apparatus according to claim 5, wherein: the bottom of the inner cavity surface of the placing barrel (4) is arc-shaped, and the two gas transmission pipes (18) are arranged at the opposite positions of the two sides of the inner cavity of the placing barrel (4) by taking the central line of the vertical direction of the front surface of the placing barrel (4) as a symmetrical axis.