CN214881314U

CN214881314U - Crude benzene washing and recovering tower

Info

Publication number: CN214881314U
Application number: CN202121728731.XU
Authority: CN
Inventors: 李诗明; 彭开范; 刘丽军; 彭敏捷
Original assignee: Honghu Jinfa Coking Equipment Complete Set Co ltd
Current assignee: Honghu Jinfa Coking Equipment Complete Set Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-11-26
Anticipated expiration: 2031-07-28

Abstract

The utility model provides a crude benzene tower is retrieved in washing relates to crude benzene recovery processing technology field, the on-line screen storage device comprises a base, the top surface of base is fixed with a jar body, the top surface of the jar body is fixed with the rotating electrical machines, the output of rotating electrical machines is fixed with the drive bevel gear, the top surface of the jar body is fixed with the sleeve, and the sleeve runs through a jar body top surface, be equipped with the connecting pipe in the sleeve, and connecting pipe and the inside swing joint of sleeve, the fixed surface of connecting pipe has driven bevel gear, and driven bevel gear and drive bevel gear intermeshing. The rotary motor is arranged at the top of the tank body, the output end of the rotary motor is fixedly provided with the driving bevel gear, the driving bevel gear is meshed with the driven bevel gear on the surface of the connecting pipe, the contact area of the cleaning solution and the coke oven gas is increased through the design, the recovery efficiency of crude benzene in the coke oven gas is increased, and the resource utilization rate is improved.

Description

Crude benzene washing and recovering tower

Technical Field

The utility model relates to a crude benzol recovery processing technology field especially relates to a crude benzol tower is retrieved in washing.

Background

The process comprises two procedures of oil washing and benzene absorption and rich oil debenzolization, wherein the process flow of tar oil washing and benzene absorption is that coal gas with the temperature of 25-27 ℃ from a coke oven gas final cooling tower sequentially passes through a series-connected benzene washing tower to be in countercurrent contact with washing oil sprayed on the top of the coal tar, the coal tar is discharged from the top of the tower after crude benzene is removed, rich oil containing about 2.5 percent of the crude benzene is discharged from the bottom of the tower and is sent to a rich oil debenzolization procedure for distillation, the crude benzene is evaporated to become lean oil containing 0.2-0.4 percent of the crude benzene, the lean oil is sent to the series-connected benzene washing tower after being cooled to 27-30 ℃, crude benzene (benzene hydrocarbon) in the coal gas is absorbed again to form rich oil, unsaturated compounds and sulfides in the tar oil and the coal gas can generate high molecular polymers, therefore, an oil washing regenerator is arranged in the rich oil debenzolization procedure to discharge polymer residues accumulated in the circulation of the washing oil, and simultaneously, new wash oil is supplemented to maintain the quality of tar wash oil.

According to the patent that patent number is CN211999529U discloses a crude benzol recovery unit, including taking off the benzene tower, the upper end of taking off the benzene tower is provided with exhaust port, the right side of taking off the benzene tower is provided with the purifying box, the lateral wall of purifying box is provided with the air inlet, set up induced air mechanism between purifying box and the benzene tower that takes off, the inside of purifying box is provided with purification mechanism, the upper end of purifying box is provided with the discharge port, the lower extreme of purifying box is provided with the liquid outlet. The utility model has the advantages of reasonable design, can adsorb other poisonous and harmful gas in the gas, reduce the harm to air and human body to can carry out recycle with a small amount of crude benzol that get off in the waste gas, reduce the waste of resource.

The existing tower for washing and recovering crude benzene has the advantages that in the contact process of washing liquid and coke oven gas, the contact area of the washing liquid and the coke oven gas is small, the recovery efficiency of crude benzene is low, effective recovery and utilization cannot be carried out, and resources are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a crude benzene washing and recovering tower.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a wash and retrieve thick benzene tower, includes the base, the top surface of base is fixed with a jar body, the top surface of jar body is fixed with the rotating electrical machines, the output of rotating electrical machines is fixed with the drive bevel gear, the top surface of jar body is fixed with the sleeve, and the sleeve runs through a jar body top surface, be equipped with the connecting pipe in the sleeve, and connecting pipe and the inside swing joint of sleeve, the fixed surface of connecting pipe has driven bevel gear, and driven bevel gear and drive bevel gear intermeshing, the bottom mounting of connecting pipe has the shower nozzle, and the shower nozzle surface has evenly seted up the orifice.

Preferably, the top surface of base is fixed with the washing tank, the top of washing tank is fixed with agitator motor, and agitator motor's output runs through the washing tank top surface, agitator motor's output is fixed with the rotation axis, the surface uniform fixation of rotation axis has the stirring leaf.

Preferably, the top surface of the tank body is provided with a liquid conveying pipe, one end of the liquid conveying pipe is movably connected with the top end of the connecting pipe, one end of the liquid conveying pipe, far away from the tank body, is fixedly connected with the surface of the washing box, one end of the liquid conveying pipe penetrates through the surface of the washing box, a vacuum pump is fixed on the surface of the liquid conveying pipe, and the vacuum pump is fixedly connected with the top surface of the base.

Preferably, the top surface of wash tank is fixed with the inlet pipe, and the inlet pipe runs through the wash tank top surface, the top surface of wash tank is fixed with the controller, and the controller respectively with rotating electrical machines, agitator motor electric connection.

Preferably, the surface mosaic of controller has the display screen, the controller surface is equipped with adjustment button, and adjustment button and controller swing joint, and adjustment button and display screen electric connection.

Preferably, the top surface of the jar body is fixed with the outlet duct, and the outlet duct runs through a jar body top surface, the fixed surface of the jar body has the intake pipe, and the intake pipe runs through a jar body surface, jar body fixed surface has the drain pipe, and the drain pipe runs through a jar body surface.

Preferably, the inner wall of the tank body is uniformly fixed with grid plates, and the central axes of the grid plates are respectively superposed with the central axis of the tank body and the central axis of the sleeve.

Advantageous effects

The utility model discloses in, be equipped with the rotating electrical machines at the top of the jar body, the output of rotating electrical machines is fixed with initiative bevel gear, initiative bevel gear and the driven bevel gear intermeshing on connecting pipe surface, make the connecting pipe can be at the sleeve internal rotation, thereby it is rotatory to drive the shower nozzle of connecting pipe bottom, make the washing liquid can fall at jar internal homodisperse, the area of contact of washing liquid with coke oven gas has been increased, the area of contact of washing liquid with coke oven gas is increased to this kind of design, the recovery efficiency of crude benzol in the coke oven gas has been increased, resource utilization rate is improved.

The utility model discloses in, evenly be fixed with the grid plate on jar internal wall, this in-process evenly distributed that makes the washing liquid at the whereabouts has increased the time that the washing liquid descends on the grid plate, makes the contact time extension of coke oven gas and washing liquid, both fully react of being convenient for.

Drawings

Fig. 1 is an isometric view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a cross-sectional view of the present invention;

fig. 5 is an enlarged view of a in fig. 2 according to the present invention.

Illustration of the drawings:

1. a tank body; 2. a transfusion tube; 3. a controller; 4. a washing tank; 5. an air inlet pipe; 6. a display screen; 7. a base; 8. a liquid outlet pipe; 9. an adjustment button; 10. a vacuum pump; 11. a feed pipe; 12. a stirring motor; 13. a shower head; 14. a grid plate; 15. a rotating shaft; 16. stirring blades; 17. a rotating electric machine; 18. a drive bevel gear; 19. a connecting pipe; 20. a driven bevel gear; 21. a sleeve; 22. and an air outlet pipe.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-5, a tower for washing and recovering crude benzene comprises a base 7, wherein a tank body 1 is fixed on the top surface of the base 7, a rotating motor 17 is fixed on the top surface of the tank body 1, a driving bevel gear 18 is fixed on the output end of the rotating motor 17, a sleeve 21 is fixed on the top surface of the tank body 1, the sleeve 21 penetrates through the top surface of the tank body 1, a connecting pipe 19 is arranged in the sleeve 21, the connecting pipe 19 is movably connected with the inside of the sleeve 21, a driven bevel gear 20 is fixed on the surface of the connecting pipe 19, the driven bevel gear 20 is meshed with the driving bevel gear 18, a shower nozzle 13 is fixed at the bottom end of the connecting pipe 19, and spray holes are uniformly formed in the surface of the shower nozzle 13. The top surface of base 7 is fixed with washing tank 4, and the top of washing tank 4 is fixed with agitator motor 12, and agitator motor 12's output runs through washing tank 4 top surface, and agitator motor 12's output is fixed with rotation axis 15, and rotation axis 15's surface evenly is fixed with stirring leaf 16.

The top surface of the tank body 1 is provided with a transfusion tube 2, one end of the transfusion tube 2 is movably connected with the top end of the connecting tube 19, one end of the transfusion tube 2, which is far away from the tank body 1, is fixedly connected with the surface of the washing box 4, one end of the transfusion tube 2 penetrates through the surface of the washing box 4, the surface of the transfusion tube 2 is fixedly provided with a vacuum pump 10, and the vacuum pump 10 is fixedly connected with the top surface of the base 7. The top surface of washing tank 4 is fixed with inlet pipe 11, and inlet pipe 11 runs through washing tank 4 top surface, and washing tank 4's top surface is fixed with controller 3, and controller 3 respectively with rotating electrical machines 17, agitator motor 12 electric connection. The surface mosaic of controller 3 has display screen 6, and controller 3 surface is equipped with adjustment button 9, and adjustment button 9 and controller 3 swing joint, and adjustment button 9 and display screen 6 electric connection. The top surface of the jar body 1 is fixed with outlet duct 22, and outlet duct 22 runs through a jar body 1 top surface, and the fixed surface of the jar body 1 has intake pipe 5, and intake pipe 5 runs through a jar body 1 surface, and 1 fixed surface of the jar body has drain pipe 8, and drain pipe 8 runs through a jar body 1 surface. The inner wall of the tank body 1 is uniformly fixed with grid plates 14, and the central axes of the grid plates 14 are respectively superposed with the central axis of the tank body 1 and the central axis of the sleeve 21.

The utility model discloses a theory of operation: coke oven gas enters the tank body 1 from the gas inlet pipe 5, then a vacuum pump 10 conveys washing liquid in a washing tower to the top of the tank body 1 through a liquid conveying pipe 2, then a rotating motor 17 is started, a driving bevel gear 18 at the output end of the rotating motor 17 drives a driven bevel gear 20 to rotate, so that the washing liquid is rotated and sprinkled through a shower nozzle 13, then the washing liquid falls on a grid plate 14 and slowly flows into the bottom of the tank, the coke oven gas after reaction is discharged through a gas outlet pipe 22, and the washing liquid is discharged through a liquid outlet pipe 8, the rotating motor 17 is arranged at the top of the tank body 1, the driving bevel gear 18 is fixed at the output end of the rotating motor 17, the driving bevel gear 18 is mutually meshed with the driven bevel gear 20 on the surface of a connecting pipe 19, so that the connecting pipe 19 can rotate in a sleeve 21, so as to drive the shower nozzle 13 at the bottom end of the connecting pipe 19 to rotate, so that the washing liquid can be uniformly dispersed and fall in the tank body 1, and the contact area of the washing liquid and the coke oven gas is increased, the design increases the contact area of the washing liquid and the coke oven gas, increases the recovery efficiency of crude benzene in the coke oven gas, and improves the resource utilization rate. The grid plates 14 are uniformly fixed on the inner wall of the tank body 1, so that the washing liquid is uniformly distributed on the grid plates 14 in the falling process, the falling time of the washing liquid is increased, the contact time of the coke oven gas and the washing liquid is prolonged, and the full reaction of the coke oven gas and the washing liquid is facilitated.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a crude benzene tower is retrieved in washing, includes base (7), its characterized in that: the top surface of base (7) is fixed with jar body (1), the top surface of the jar body (1) is fixed with rotating electrical machines (17), the output of rotating electrical machines (17) is fixed with initiative bevel gear (18), the top surface of the jar body (1) is fixed with sleeve (21), and sleeve (21) run through jar body (1) top surface, be equipped with connecting pipe (19) in sleeve (21), and connecting pipe (19) and the inside swing joint of sleeve (21), the fixed surface of connecting pipe (19) has driven bevel gear (20), and driven bevel gear (20) and initiative bevel gear (18) intermeshing, the bottom mounting of connecting pipe (19) has shower nozzle (13), and shower nozzle (13) surface has evenly seted up the orifice.

2. The tower for washing and recovering the crude benzene according to claim 1, characterized in that: the top surface of base (7) is fixed with washing tank (4), the top of washing tank (4) is fixed with agitator motor (12), and the output of agitator motor (12) runs through washing tank (4) top surface, the output of agitator motor (12) is fixed with rotation axis (15), the surface uniform fixation of rotation axis (15) has stirring leaf (16).

3. The tower for washing and recovering the crude benzene according to claim 1, characterized in that: the top surface of the tank body (1) is provided with a liquid conveying pipe (2), one end of the liquid conveying pipe (2) is movably connected with the top end of the connecting pipe (19), one end of the liquid conveying pipe (2), far away from the tank body (1), is fixedly connected with the surface of the washing box (4), one end of the liquid conveying pipe (2) penetrates through the surface of the washing box (4), the surface of the liquid conveying pipe (2) is fixedly provided with a vacuum pump (10), and the vacuum pump (10) is fixedly connected with the top surface of the base (7).

4. The tower for washing and recovering the crude benzene according to claim 2, wherein: the top surface of wash tank (4) is fixed with inlet pipe (11), and inlet pipe (11) run through wash tank (4) top surface, the top surface of wash tank (4) is fixed with controller (3), and controller (3) respectively with rotating electrical machines (17), agitator motor (12) electric connection.

5. The tower for washing and recovering the crude benzene according to claim 4, wherein: the surface mosaic of controller (3) has display screen (6), controller (3) surface is equipped with adjustment button (9), and adjustment button (9) and controller (3) swing joint, and adjustment button (9) and display screen (6) electric connection.

6. The tower for washing and recovering the crude benzene according to claim 1, characterized in that: the top surface of the tank body (1) is fixed with an air outlet pipe (22), and the air outlet pipe (22) runs through the top surface of the tank body (1), the fixed surface of the tank body (1) is fixed with an air inlet pipe (5), and the air inlet pipe (5) runs through the surface of the tank body (1), the surface of the tank body (1) is fixed with a liquid outlet pipe (8), and the liquid outlet pipe (8) runs through the surface of the tank body (1).

7. The tower for washing and recovering the crude benzene according to claim 1, characterized in that: the inner wall of the tank body (1) is uniformly fixed with grid plates (14), and the central axes of the grid plates (14) are respectively superposed with the central axis of the tank body (1) and the central axis of the sleeve (21).