CN214261909U

CN214261909U - High-efficiency benzene preprocessor

Info

Publication number: CN214261909U
Application number: CN202022632105.2U
Authority: CN
Inventors: 陈少忠; 谭志香
Original assignee: Jiangyin Zhongnan Heavy Industry Holdings Co ltd
Current assignee: Jiangyin Zhongnan Heavy Industry Holdings Co ltd
Priority date: 2020-11-15
Filing date: 2020-11-15
Publication date: 2021-09-24
Anticipated expiration: 2030-11-15

Abstract

The utility model discloses a high-efficient benzene preprocessor, including the treater body, the treater body includes upper cover, upper barrel, lower barrel and low head, upper barrel upper end and upper cover lower extreme fixed connection, lower barrel lower extreme and low head upper end fixed connection, terminal surface middle part fixedly connected with benzene discharge gate under the low head, terminal surface one side fixedly connected with puts clean mouthful under the low head, it is provided with the thermometer mouth to put clean mouthful top, thermometer mouth fixed connection is on treater body lateral wall, upper cover up end middle part fixedly connected with benzene feed inlet, the benzene feed inlet is close to put clean mouthful one side and is provided with safe valve port. The utility model discloses a high-efficient benzene preprocessor, the device simple structure is compact, and pressure drop is little, and throughput is big, effectively improves the purity of benzene, is convenient for simultaneously to tower interior filler periodic cleaning, detection and plant maintenance, reduces and maintains the clearance work load.

Description

High-efficiency benzene preprocessor

Technical Field

The utility model relates to a benzene preprocessor technical field especially relates to high-efficient benzene preprocessor.

Background

The processor is one of the most important devices in the production of chemical industry, petrochemical industry, oil refining chemical industry and the like, and the performance of the processor in a chemical plant and a petrochemical plant has great influence on the product, the yield, the production capacity and the consumption quota of the whole device, the three-waste treatment, the environmental protection and other aspects.

The benzene preprocessor in the prior art usually comprises a shell, a filler grid, a support, pipe orifices of a distributor and the like, and has the defects of uneven gas-liquid distribution, efficiency reduction caused by poor contact and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency benzene preprocessor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-efficiency benzene preprocessor comprises a preprocessor body, wherein the preprocessor body comprises an upper end enclosure, an upper barrel body, a lower barrel body and a lower end enclosure, the upper end of the upper barrel body is fixedly connected with the lower end of the upper end enclosure, the lower end of the lower barrel body is fixedly connected with the upper end of the lower end enclosure, the middle part of the lower end surface of the lower end enclosure is fixedly connected with a benzene discharge hole, one side of the lower end surface of the lower end enclosure is fixedly connected with a clean discharge hole, a thermometer hole is arranged above the clean discharge hole, the thermometer hole is fixedly connected on the side wall of the preprocessor body, the middle part of the upper end surface of the upper end enclosure is fixedly connected with a benzene feed hole, one side of the benzene feed hole close to the clean discharge hole is provided with a safety valve port, one side of the benzene feed hole, far away from the safety valve port, is provided with a standby port, the safety valve port and the standby port are both arranged on the upper end surface of the upper end enclosure, a distributor is arranged below the benzene feed hole, the distributor comprises a central pipe and a main pipe, the upper end of the central tube is communicated with the lower end of the benzene feed inlet, the lower end of the central tube is communicated with a main tube, the two sides of the main pipe are connected with a plurality of branch pipes in a run-through way, the distributor is fixedly connected on the inner wall of the processor body close to the upper end surface, the inner wall of the lower cylinder body is fixedly provided with a grid, a support is fixedly arranged below the grid, pressure grids are arranged above the lower cylinder body and the upper cylinder body, the pressure grid is fixedly connected on the inner wall of the processor body, the lower cylinder body and the upper cylinder body are both internally provided with fillers, the lower cylinder body and the upper cylinder body are respectively provided with a lower hand hole and an upper hand hole at the side close to the lower end surface and far away from the cleaning opening, an upper pipe orifice is arranged above the upper hand hole, a lower pipe orifice is arranged between the upper hand hole and the lower hand hole, the lower pipe orifice and the upper pipe orifice are fixedly connected to the side wall of the processor body, and one side, away from the clean opening, of the lower seal head is provided with a nitrogen inlet.

As a further description of the above technical solution:

the lower end face of the lower end socket and the upper end face of the upper end socket are both arc-shaped cover structures.

As a further description of the above technical solution:

the nitrogen inlet is arranged below the lower hand hole.

As a further description of the above technical solution:

the internal structure and the connection mode of the lower cylinder and the upper cylinder are completely the same.

As a further description of the above technical solution:

the upper hand hole and the lower hand hole are identical in structure.

As a further description of the above technical solution:

the lower pipe orifice and the upper pipe orifice have the same structure.

As a further description of the above technical solution:

the grid and the support are positioned below the filler.

As a further description of the above technical solution:

the grid is arranged above the two fillers.

As a further description of the above technical solution:

the bottom end of the processor body is provided with a skirt.

The utility model discloses following beneficial effect has:

the utility model provides a high-efficient benzene preprocessor, the device simple structure is compact, convenient operation, and pressure drop is little, and the production capacity improves the purity of benzene greatly, is convenient for simultaneously to tower interior filler periodic cleaning, detection and plant maintenance, reduces and maintains the clearance work load.

Drawings

FIG. 1 is a schematic diagram of the main structure of a high-efficiency benzene pre-processor provided by the present invention;

FIG. 2 is a front view of a distributor of the high-efficiency benzene preprocessor of the present invention;

FIG. 3 is a top view of a distributor of the high efficiency benzene pre-processor of the present invention;

FIG. 4 is a sectional view of the distributor branch A-A of the high efficiency benzene pre-processor of the present invention;

FIG. 5 is a front view of the high efficiency benzene pre-processor of the present invention;

FIG. 6 is a top view of the high efficiency benzene pre-processor of the present invention;

FIG. 7 is a front view of a grating of the high efficiency benzene pre-processor of the present invention;

FIG. 8 is a top view of a grating of the high efficiency benzene pre-processor of the present invention;

fig. 9 is a B-B sectional view of the grating tapered grid of the high-efficiency benzene pre-processor of the present invention.

Illustration of the drawings:

1. a processor body; 101. a skirt; 2. putting a clean mouth; 3. a lower end enclosure; 4. a thermometer port; 5. a lower pipe orifice; 6. a grid; 601. grid pressing; 7. supporting; 8. a lower cylinder body; 9. a filler; 10. an upper cylinder body; 11. an upper hand hole; 12. a distributor; 13. an upper end enclosure; 14. a safety valve port; 15. a benzene feed port; 16. a spare port; 17. an upper pipe orifice; 18. a lower hand hole; 19. a nitrogen inlet; 20. a benzene discharge hole; 21. a central tube; 22. a main pipe; 23. and (4) branch pipes.

Detailed Description

Referring to fig. 1-9, the present invention provides an embodiment: a high-efficiency benzene preprocessor comprises a preprocessor body 1, wherein the preprocessor body 1 comprises an upper end enclosure 13, an upper cylinder 10, a lower cylinder 8 and a lower end enclosure 3, the upper end of the upper cylinder 10 is fixedly connected with the lower end of the upper end enclosure 13, the lower end of the lower cylinder 8 is fixedly connected with the upper end of the lower end enclosure 3, the middle part of the lower end surface of the lower end enclosure 3 is fixedly connected with a benzene discharge hole 20, one side of the lower end surface of the lower end enclosure 3 is fixedly connected with a clean discharge hole 2, a thermometer hole 4 is arranged above the clean discharge hole 2, the thermometer hole 4 is fixedly connected on the side wall of the preprocessor body 1, the middle part of the upper end surface of the upper end enclosure 13 is fixedly connected with a benzene feed hole 15, one side of the benzene feed hole 15 close to the clean discharge hole 2 is provided with a safety valve port 14, one side of the benzene feed hole 15 far away from the safety valve port 14 is provided with a spare port 16, the safety valve port 14 and the spare port 16 are both arranged on the upper end surface of the upper end enclosure 13, a distributor 12 is arranged below the benzene feed hole 15, the distributor 12 ensures that the liquid is uniformly distributed, has large operation elasticity, small pressure drop and difficult blockage, has simple and reliable structure, improves the separation effect of the treater by spraying the liquid on the top of the treater body 1, comprises a central pipe 21 and a main pipe 22, the upper end of the central pipe 21 is communicated and connected with the lower end of a benzene feed inlet 15, the lower end of the central pipe 21 is communicated and connected with the main pipe 22, two sides of the main pipe 22 are communicated and connected with a plurality of branch pipes 23, the liquid is introduced from the central pipe 21 and is sprayed through small holes on the branch pipes 23 by the horizontal main pipe 22, the distributor 12 is fixedly connected on the inner wall of the treater body 1 close to the upper end surface, the inner wall of the lower cylinder 8 is fixedly provided with a grid 6, a support 7 is fixedly arranged below the grid 6, pressure grids 601 are respectively arranged above the lower cylinder 8 and the upper cylinder 10, the pressure grids 601 are fixedly connected on the inner wall of the treater body 1, the lower cylinder 8 and the upper cylinder 10 are both internally provided with a filler 9, the packing 9 adopts pall ring, it has flux big, high efficiency, the characteristics that the pressure drop is little, and pack 9 top all is provided with the manhole that is used for overhauing and handling, lower barrel 8 and last barrel 10 are close to lower terminal surface and keep away from putting clean mouth 2 one side and have seted up lower hand hole 18 and last hand hole 11 respectively, it is provided with mouth of pipe 17 to go up hand hole 11 top, be provided with down mouth of pipe 5 between last hand hole 11 and lower hand hole 18, lower mouth of pipe 5 and last mouth of pipe 17 all fixed connection are on the treater body 1 lateral wall, lower head 3 keeps away from putting clean mouth 2 one side and has seted up nitrogen gas inlet 19, distributor 12 evenly distributes benzene on the packing 9 of upper barrel 10 inner, material that flows down along lower barrel 8 inner wall behind grid 6 flows into on the packing 9 of lower barrel 8 inner, thereby ensure that the inside material of treater body 1 and gas are in the layer of feeding reverse continuous contact.

The lower end face of the lower end enclosure 3 and the upper end face of the upper end enclosure 13 are both arc-shaped cover structures, a nitrogen inlet 19 is located below a lower hand hole 18, the lower barrel 8 is completely identical to the internal structure and the connection mode of the upper barrel 10, the upper hand hole 11 is identical to the lower hand hole 18 in structure, the inner ends of the lower and upper hand holes are provided with baffles, the problem that due to local overheating or detention, a medium is accumulated or coked in a hand hole barrel section is solved, the lower pipe opening 5 is identical to the upper pipe opening 17 in structure, the grating 6 and the support 7 are located below the filler 9, the grating 601 is located above the two fillers 9, and the skirt 101 is arranged at the bottom end of the processor body 1.

The working principle is as follows: when the device is used, materials on the upper part of the upper barrel 10 flow from top to bottom along the filler 9 and the grid 6 on the connecting structure of the upper barrel 10 and the filler 9 and the grid 6 on the connecting structure of the lower barrel 8 through the distributor 12, nitrogen conveyed by the existing device nitrogen making machine enters from the nitrogen inlet 19 on the lower part of the lower barrel 8, flows from bottom to top and sequentially passes through the filler 9 connected with the upper barrel 10 and the filler 9 connected with the lower barrel 8, and impurities of the nitrogen are attached to the filler 9. Nitrogen gas and the reverse continuous contact of benzene guarantee the nitrogen gas washing, and simultaneously, the filler 9 that lower barrel 8 is connected, the silk screen structure that filler 9 bottom that upper barrel 10 is connected was equipped with can effectively improve the purity of benzene, and benzene flows out from processor body 1 bottom benzene discharge gate 20 at last.

Claims

1. High-efficient benzene preprocessor, including treater body (1), its characterized in that: the treater body (1) comprises an upper end enclosure (13), an upper barrel (10), a lower barrel (8) and a lower end enclosure (3), the upper end of the upper barrel (10) is fixedly connected with the lower end of the upper end enclosure (13), the lower end of the lower barrel (8) is fixedly connected with the upper end of the lower end enclosure (3), the middle part of the lower end surface of the lower end enclosure (3) is fixedly connected with a benzene discharge hole (20), one side of the lower end surface of the lower end enclosure (3) is fixedly connected with a net placing port (2), a thermometer port (4) is arranged above the net placing port (2), the thermometer port (4) is fixedly connected onto the side wall of the treater body (1), the middle part of the upper end surface of the upper end enclosure (13) is fixedly connected with a benzene feed port (15), one side of the benzene feed port (15), which is close to the net placing port (2), is provided with a safety valve port (14), and one side of the benzene feed port (15), which is far away from the safety valve port (14), is provided with a standby port (16), the safety valve port (14) and the spare port (16) are both arranged on the upper end surface of the upper end enclosure (13), the distributor (12) is arranged below the benzene feed port (15), the distributor (12) comprises a central pipe (21) and a main pipe (22), the upper end of the central pipe (21) is communicated with the lower end of the benzene feed port (15), the lower end of the central pipe (21) is communicated with the main pipe (22), two sides of the main pipe (22) are communicated with a plurality of branch pipes (23), the distributor (12) is fixedly connected to the inner wall of the upper end surface of the treater body (1), the inner wall of the lower barrel (8) is fixedly provided with a grating (6), the lower part of the grating (6) is fixedly provided with a support (7), pressure gratings (601) are arranged above the lower barrel (8) and the upper barrel (10), and the pressure gratings (601) are fixedly connected to the inner wall of the treater body (1), barrel (8) and last barrel (10) are inside all to be equipped with filler (9) down, barrel (8) and last barrel (10) are close to the lower terminal surface down and keep away from putting clean mouth (2) one side and have seted up down hand hole (18) and last hand hole (11) respectively down, it is provided with mouth of pipe (17) to go up hand hole (11) top, it is provided with down mouth of pipe (5) to go up between hand hole (11) and lower hand hole (18), the equal fixed connection of mouth of pipe (5) and last mouth of pipe (17) is on treater body (1) lateral wall down, nitrogen gas import (19) have been seted up to keep away from putting clean mouth (2) one side in low head (3).

2. The efficient benzene pre-processor according to claim 1, characterized in that: the lower end face of the lower end enclosure (3) and the upper end face of the upper end enclosure (13) are both arc-shaped cover structures.

3. The efficient benzene pre-processor according to claim 1, characterized in that: the nitrogen inlet (19) is arranged below the lower hand hole (18).

4. The efficient benzene pre-processor according to claim 1, characterized in that: the internal structures and the connection modes of the lower barrel (8) and the upper barrel (10) are completely the same.

5. The efficient benzene pre-processor according to claim 1, characterized in that: the upper hand hole (11) and the lower hand hole (18) have the same structure.

6. The efficient benzene pre-processor according to claim 1, characterized in that: the lower nozzle (5) and the upper nozzle (17) have the same structure.

7. The efficient benzene pre-processor according to claim 1, characterized in that: the grid (6) and the support (7) are positioned below the filler (9).

8. The efficient benzene pre-processor according to claim 1, characterized in that: the grid (601) is arranged above the two fillers (9).

9. The efficient benzene pre-processor according to claim 1, characterized in that: the bottom end of the processor body (1) is provided with a skirt (101).