CN203174041U - Steam stripping tower - Google Patents
Steam stripping tower Download PDFInfo
- Publication number
- CN203174041U CN203174041U CN2013202099671U CN201320209967U CN203174041U CN 203174041 U CN203174041 U CN 203174041U CN 2013202099671 U CN2013202099671 U CN 2013202099671U CN 201320209967 U CN201320209967 U CN 201320209967U CN 203174041 U CN203174041 U CN 203174041U
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- tower body
- tower
- stripping
- section tower
- stripping section
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Abstract
The utility model relates to the field of steam stripping of hydrogenated oil extraction and rectification systems in coking industries and petrochemical engineering industries, and in particular relates to a steam stripping tower. A tower body consists of a stripping section tower body and a rectification section tower body which are connected with each other, wherein the stripping section tower body is positioned below the rectification section tower body. The steam stripping tower is characterized in that a tower kettle is arranged on the lower part of the stripping section tower body; a skirt seat is arranged on the lower part of the tower kettle; a cyclic material outlet and a cyclic material inlet are formed in the stripping section tower body; an impact prevention plate is arranged at an inlet opposite to the cyclic material inlet; a tower disk is arranged inside the stripping section tower body; a starting solvent circulation inlet is formed in the lower part of the stripping section tower body; a material inlet is formed in the upper part of the stripping section tower body; a filler layer is arranged inside the rectification section tower body; a steam outlet is formed in the top of the rectification section tower body; a tower top backflow opening is formed in the side wall of the tower top. Compared with the prior art, the steam stripping tower has the beneficial effects that a solvent in a raw material is separated from aromatic hydrocarbon, so that over 99 percent of aromatic hydrocarbon can be recycled, and the solvent with the purity of over 99 percent can be obtained. The tower body is simple in structure and easy to operate and maintain.
Description
Technical field
The utility model relates to hydrogenated oil abstraction distillation system stripping field, particularly a kind of stripping tower in coking industry and the petrochemical complex industry.
Background technology
Hydrogenated oil is needing aromatic hydrocarbon is separated with non-aromatics through after the extracting rectifying, but can mix extraction agent in aromatic hydrocarbon, therefore needs design one cover to separate the device of aromatic hydrocarbon and extraction agent.
Existing tripping device only can reclaim most extraction agent, but overhead product purity is not high, and this has directly influenced the working efficiency of follow up device.
Summary of the invention
The purpose of this utility model provides a kind of stripping tower, simple in structure, can reclaim the aromatic hydrocarbon of the overwhelming majority, and obtain highly purified extraction solvent, aromatic hydrocarbon in the raw material is separated with extraction solvent, recycle in order to high-purity extraction solvent is sent into extractive distillation column, and aromatic hydrocarbon is sent into follow-up workshop section continue to separate to obtain product.
For achieving the above object, the utility model adopts following technical scheme to realize:
A kind of stripping tower, tower body is connected and composed by stripping section tower body (5) and rectifying head tower body (11), stripping section tower body (5) is positioned at rectifying section tower body (11) below, tower reactor (4) is installed in stripping section tower body (5) bottom, skirt (1) is installed in the bottom of tower reactor (4), skirt (1) is provided with bottom liquid outlet (2), and bottom liquid outlet (2) is connected with tower reactor (4) by pipeline, and the interior pipeline of tower reactor (4) end is provided with prevention blocking device (3);
Stripping section tower body (5) is provided with recycle stock outlet (16) and recycle stock import (18), the punching (17) of setting up defences over against the ingress of recycle stock import (18); Tower tray (7) is installed in the stripping section tower body (5), and the solvent cycle entrance (6) that goes into operation is installed in stripping section tower body (5) bottom, and opening for feed (15) is established on stripping section tower body (5) top;
Establish packing layer (10) in the rectifying section tower body (11), vapour outlet (14) is established at rectifying section tower body (11) top, and the cat head sidewall is established trim the top of column mouth (13).
Described tower tray (7) is a kind of in board-like of float-valve type, bubble-cap formula or vertical screen.
Described packing layer (10) is structured packing or random packing.
Feed liquid divider (8) is established in described opening for feed (15) bottom, and trim the top of column mouth (13) links to each other by pipeline with withdrawing fluid divider (12), and packing layer (10) bottom is provided with gas-liquid allotter (9).
Compared with prior art, the beneficial effects of the utility model are: utilize tower tray that the solvent in the raw material is separated with aromatic hydrocarbon, can reclaim the aromatic hydrocarbon more than 99%, and obtain the solvent of purity more than 99%, for the separation of follow-up aromatic hydrocarbon has improved favourable condition, and alleviated the burden of follow-up equipment, and housing structure is simple, working stability is reliable, and Operation and Maintenance is simple.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the Process configuration block diagram of the utility model embodiment.
Among the figure: the 1-skirt 2-bottom liquid outlet 3-prevention blocking device 4-tower reactor 5-stripping section tower body 6-solvent cycle entrance 7-tower tray 8-feed liquid divider 9-gas-liquid allotter 10-packing layer 11-rectifying section tower body 12-withdrawing fluid divider 13-trim the top of column mouth 14-vapour outlet 15-opening for feed 16-recycle stock outlet 17-striking plate 18-recycle stock import 19-liquid collecting mouth that goes into operation
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
See Fig. 1, Fig. 2, it is the structural representation of a kind of stripping tower embodiment of the utility model, tower body is connected and composed by stripping section tower body 5 and rectifying head tower body 11, and stripping section tower body 5 is positioned at rectifying section tower body 11 belows, and tower reactor 4 is installed in stripping section tower body 5 bottoms, skirt 1 is installed in the bottom of tower reactor 4, skirt 1 is provided with bottom liquid outlet 2, and bottom liquid outlet 2 is connected with tower reactor 4 by pipeline, and tower reactor 4 interior pipeline ends are provided with prevention blocking device 3, to prevent that exporting liquid produces vortex, influences rate of discharge; Stripping section tower body 5 is provided with recycle stock outlet 16 and recycle stock import 18, the punching 17 of setting up defences over against the ingress of recycle stock import 18; Tower tray 7 is installed in the stripping section tower body 5, and the solvent cycle entrance 6 that goes into operation is installed in stripping section tower body 5 bottoms, and opening for feed 15 is established on stripping section tower body 5 tops; Establish packing layer 10 in the rectifying section tower body 11, vapour outlet 14 is established at rectifying section tower body 11 tops, and the cat head sidewall is established trim the top of column mouth 13.Feed liquid divider 8 is established in opening for feed 15 bottoms, and trim the top of column mouth 13 and withdrawing fluid divider 12 link to each other by pipeline, and packing layer 10 bottoms are provided with gas-liquid allotter 9.Among the embodiment, tower tray 7 is selected from a kind of in board-like of float-valve type, bubble-cap formula or vertical screen.Packing layer 10 all can for structured packing or random packing.
During use, earlier recycle stock outlet 16 is connected with the stripping tower reboiler, again stripping tower reboiler and recycle stock import 18 are constituted circulation loop by pipe connection, vapour outlet 14 is connected with the stripping overhead condenser, trim the top of column mouth 13 is connected with the stripping tower backflash by reflux pump, at last the stripping overhead condenser is connected with the stripping tower backflash.
The aromatic hydrocarbon and the extraction solvent mixture that are come by extractive distillation column enter stripping section tower body 5 by opening for feed 15, stock liquid is sprayed onto the first layer tower tray of stripping section tower body 5 uniformly through the feed liquid divider 8 on the opening for feed 15, the tower tray liquid layer is evenly distributed, through after the separating treatment of tower tray 7, enter liquid collecting mouth 19, stock liquid in this process heats up in a steamer processing through carrying, obtained highly purified extraction solvent, extraction solvent part after the purification is through recycle stock outlet 16, and another part flows into tower reactor 4 by the perforate of liquid collecting mouth bottom.The solvent that enters recycle stock outlet 16 flows into the stripping tower reboiler, after heating becomes solvent vapo(u)r, is back to again in the stripping section tower body 5 by recycle stock import 18 through pipeline, separates the thermal source of solvent as stripping tower.The solvent that enters tower reactor 4 is discharged by bottom liquid outlet 2, after interchanger reclaims heat energy, enters extractive distillation column, carries out extracting rectifying as extraction solvent.Solvent vapo(u)r on tower tray 7 with top-down stock liquid counter current contact, remove the aromatic hydrocarbon in the stock liquid.The solvent vapo(u)r that is mingled with aromatic hydrocarbon enters rectifying section tower body 11 by gas-liquid allotter 9, continues and top-down phlegma counter current contact at packing layer 10, removes the most aromatic hydrocarbon in the phlegma.Steam continues up, arrive cat head, vapour outlet 14 by cat head enters the stripping overhead condenser, phlegma enters the stripping tower backflash, again after reflux pump boosts, enter withdrawing fluid divider 12 through pipeline by trim the top of column mouth 13, withdrawing fluid divider 12 evenly is sprayed onto phlegma on the packing layer 10 of rectifying section tower body 11, carries out gas-liquid mass transfer as liquid phase and rising steam.For improving separating effect, packing layer 10 adopts stainless material to make.
For guaranteeing to go into operation smoothly, the solvent cycle entrance 6 that goes into operation is installed in stripping section tower body 5 bottoms.When going into operation, extraction solvent is entered bottom one deck column plate of stripping section tower body 5 by the solvent cycle entrance 6 that goes into operation, and enter recycle stock outlet 16 by liquid collecting mouth 19, after being become solvent vapo(u)r by stripping tower reboiler heating, through pipeline is back to stripping tower stripping section tower body 5 again by recycle stock import 18 in the middle of, go into operation thereby finish.
Claims (4)
1. stripping tower, tower body is connected and composed by stripping section tower body (5) and rectifying head tower body (11), stripping section tower body (5) is positioned at rectifying section tower body (11) below, it is characterized in that, tower reactor (4) is installed in stripping section tower body (5) bottom, and skirt (1) is installed in the bottom of tower reactor (4), and skirt (1) is provided with bottom liquid outlet (2), bottom liquid outlet (2) is connected with tower reactor (4) by pipeline, and the interior pipeline of tower reactor (4) end is provided with prevention blocking device (3);
Stripping section tower body (5) is provided with recycle stock outlet (16) and recycle stock import (18), the punching (17) of setting up defences over against the ingress of recycle stock import (18); Tower tray (7) is installed in the stripping section tower body (5), and the solvent cycle entrance (6) that goes into operation is installed in stripping section tower body (5) bottom, and opening for feed (15) is established on stripping section tower body (5) top;
Establish packing layer (10) in the rectifying section tower body (11), vapour outlet (14) is established at rectifying section tower body (11) top, and the cat head sidewall is established trim the top of column mouth (13).
2. a kind of stripping tower according to claim 1 is characterized in that, described tower tray (7) is a kind of in board-like of float-valve type, bubble-cap formula or vertical screen.
3. a kind of stripping tower according to claim 1 is characterized in that, described packing layer (10) is structured packing or random packing.
4. a kind of stripping tower according to claim 1, it is characterized in that, feed liquid divider (8) is established in described opening for feed (15) bottom, and trim the top of column mouth (13) links to each other by pipeline with withdrawing fluid divider (12), and packing layer (10) bottom is provided with gas-liquid allotter (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202099671U CN203174041U (en) | 2013-04-24 | 2013-04-24 | Steam stripping tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202099671U CN203174041U (en) | 2013-04-24 | 2013-04-24 | Steam stripping tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203174041U true CN203174041U (en) | 2013-09-04 |
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ID=49070773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202099671U Expired - Lifetime CN203174041U (en) | 2013-04-24 | 2013-04-24 | Steam stripping tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203174041U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621436A (en) * | 2016-12-07 | 2017-05-10 | 鞍山华信重工机械有限公司 | Three-level stripping tower structure in vertical skirt overlapping and supporting connection mode |
| CN109173310A (en) * | 2018-08-29 | 2019-01-11 | 张家港市科华化工装备制造有限公司 | Dimethoxym ethane rectifying column |
| CN110787477A (en) * | 2019-11-18 | 2020-02-14 | 沈阳派司钛设备有限公司 | Novel titanium-molybdenum-nickel tower device for butanone oxime |
| CN114470834A (en) * | 2020-10-27 | 2022-05-13 | 湖南中岭化工有限责任公司 | Crude benzene hydrogenation extraction device |
| CN117264724A (en) * | 2023-11-21 | 2023-12-22 | 中集安瑞醇科技股份有限公司 | Flavor spirit distillation tower |
-
2013
- 2013-04-24 CN CN2013202099671U patent/CN203174041U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621436A (en) * | 2016-12-07 | 2017-05-10 | 鞍山华信重工机械有限公司 | Three-level stripping tower structure in vertical skirt overlapping and supporting connection mode |
| CN109173310A (en) * | 2018-08-29 | 2019-01-11 | 张家港市科华化工装备制造有限公司 | Dimethoxym ethane rectifying column |
| CN110787477A (en) * | 2019-11-18 | 2020-02-14 | 沈阳派司钛设备有限公司 | Novel titanium-molybdenum-nickel tower device for butanone oxime |
| CN110787477B (en) * | 2019-11-18 | 2023-08-25 | 沈阳派司钛设备有限公司 | Novel titanium molybdenum nickel tower device for butanone oxime |
| CN114470834A (en) * | 2020-10-27 | 2022-05-13 | 湖南中岭化工有限责任公司 | Crude benzene hydrogenation extraction device |
| CN117264724A (en) * | 2023-11-21 | 2023-12-22 | 中集安瑞醇科技股份有限公司 | Flavor spirit distillation tower |
| CN117264724B (en) * | 2023-11-21 | 2024-01-30 | 中集安瑞醇科技股份有限公司 | Flavor spirit distillation tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180904 Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee after: ACRE COKING & REFRACTORY ENGINEERING CONSULTING CORPORATION (DALIAN), MCC Address before: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee before: ACRE COKING & REFRACTORY ENGINEERING CONSULTING CORPORATION, MCC |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
|
| CX01 | Expiry of patent term |