CN100556493C - Plated tower - Google Patents
Plated tower Download PDFInfo
- Publication number
- CN100556493C CN100556493C CNB2007100209712A CN200710020971A CN100556493C CN 100556493 C CN100556493 C CN 100556493C CN B2007100209712 A CNB2007100209712 A CN B2007100209712A CN 200710020971 A CN200710020971 A CN 200710020971A CN 100556493 C CN100556493 C CN 100556493C
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- Prior art keywords
- plate
- downspout
- column
- tower
- liquid
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- Expired - Fee Related
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Abstract
The present invention relates to the plated tower in a kind of Chemical Manufacture, comprise: tower wall, gas feed, gas vent, liquid-inlet, tower still, liquid outlet, column plate and downspout, it is characterized in that described downspout is made of downspout plate and tower wall, described downspout plate is the perforate rectangular slab, have the hole of circle, rectangle or other shape on the downspout plate, and combine closely seamless with column plate.Adopt plate column of the present invention, can increase the percent opening on the downspout plate, to improve the logical liquid ability of downspout; Can increase the opening area of column plate, when improving plate column production capacity, optimize the contact of gas-liquid two-phase in plate column, improve heat transfer, the mass-transfer efficiency of gas-liquid two-phase in plate column, to reduce tower height, to reduce tower diameter.
Description
Technical field:
The present invention relates to a kind of chemical production equipment, specifically relate to gas-liquid heat-transfer, mass transfer such as gas-liquid heat exchange, GAS ABSORPTION or liquid distillation plate column in a kind of Chemical Manufacture.Belong to technical field of chemical.
Background technology
Plate column is the common equipment of gas-liquid heat-transfer, mass transport process.The flow behavior of gas-liquid two-phase has material impact to heat transfer, the mass-transfer efficiency of plate column in the tower.At present the plate column that moves in the Chemical Manufacture all is that liquid is flowed downward by downspout, and the level that enters from the slit between downspout and lower floor's column plate is also passed lower floor's column plate, flows to the tower still so repeatedly always.Liquid layer thickness on the column plate is by the height decision of exit weir, and gas enters and pass liquid layer realization heat transfer, mass transfer on the plate then from bottom to top by the perforate on the column plate.In this traditional plate column, particularly when gas phase load was low, the contact area of gas-liquid two-phase was less, time of contact is shorter, conducted heat, mass-transfer efficiency is lower.
Summary of the invention:
The objective of the invention is at above-mentioned problem, research by behavior that gas-liquid two-phase in traditional plate column is flowed, from another new angle, with a new theory plate column is optimized, strengthen the contact of gas-liquid two-phase, so that a kind of plated tower that improves plate column heat transfer, mass-transfer efficiency to be provided.
For addressing the above problem, the present invention takes following technical scheme to realize:
A kind of plated tower, comprise: tower wall, gas feed, gas vent, liquid-inlet, tower still, liquid outlet, column plate and downspout, described downspout is made of downspout plate and tower wall, it is characterized in that described downspout plate and column plate combine closely seamless, the downspout plate is the perforate rectangular slab, and the hole on the downspout plate is a pilot hole.
Aforesaid plated tower is characterized in that described downspout plate, and the hole of opening on it is circle, rectangle, square or other different shape.
Aforesaid plated tower is characterized in that installing additional one or above porous demarcation strip or separate mesh between adjacent two column plates.
Aforesaid plated tower is characterized in that filling between adjacent two column plates or part installs filler additional.
Aforesaid plated tower is characterized in that described column plate is the column plate of sieve tray, pilot hole column plate or other form.
The invention has the beneficial effects as follows: the present invention adopts perforate downspout plate and tower wall to constitute novel downspout, install demarcation strip or separate mesh additional between adjacent two column plates, can be when improving plate column production capacity, optimize the contact of gas-liquid two-phase in plate column, improve heat transfer, the mass-transfer efficiency of gas-liquid two-phase in plate column.Be in particular in: 1, because downspout is made of perforate downspout plate and tower wall, and the percent opening that increases on the downspout plate can not produce harmful effect to heat transfer, mass transfer, so can be by increasing the percent opening on the downspout plate, to improve the logical liquid ability of downspout; 2, under similarity condition, can reduce the sectional area of downspout, increase the opening area of column plate; 3, there is not the leakage problem in plated tower, can increase open ratio of plate, to improve the gas communication ability; 4, owing in this plate column, being full of liquid between two column plates, so increased contact area, the time of contact of gas-liquid two-phase; 5, the hole of opening on the downspout plate can be that pilot hole also can be non-pilot hole, and pilot hole can prevent that gas from entering downspout; 6, owing to installed one or an above porous demarcation strip or a separate mesh between adjacent two column plates additional, fill or part installs filler additional, can reduce the axial backmixing of liquid, stop the merging of rising bubble and promote bubble surface to upgrade.Thereby board-like output of column and heat transfer, mass-transfer efficiency have been improved;
Description of drawings:
Fig. 1 is the structural representation of plated tower of the present invention.
Main symbol description among the figure:
1, column plate 2, downspout plate 3, downspout 4, gas flow
5, demarcation strip 6, flow direction 7, Ta Bi
The specific embodiment:
Below in conjunction with accompanying drawing the present invention specifically is described below:
Fig. 1 is the structural representation of plated tower of the present invention, as shown in the figure, plated tower, comprise tower wall 7, gas feed, gas vent, liquid-inlet, tower still, liquid outlet, column plate 1 and downspout 3, column plate 1 has only an end to pass downspout plate 2 and connects with tower wall 7, have the hole of sieve aperture, pilot hole or other form, the not perforate of part in downspout 3 at the mid portion of column plate 1.Downspout 3 is made of downspout plate 2 and tower wall 7, and downspout plate 2 is the perforate rectangular slab, has the pilot hole or the non-pilot hole of circle, rectangle or other form thereon, and wherein pilot hole can prevent effectively that gas from entering downspout 3.Downspout plate 2 is combined closely with column plate 1, and the slit is not stayed in the centre, is beneficial to the control of flow direction 6.Between adjacent two column plates, can install one or above porous demarcation strip 5 or separate mesh additional, and can fill therein or part installs filler additional.Flow direction 6 enters for the liquid-inlet from plate column top among the figure, pilot hole on downspout plate 2 enters and level is passed column plate, pilot hole from the downspout plate of another side flows out, flow downward and once more the pilot hole from the downspout plate enter, and level is passed column plate and is entered downspout 3, carry out so repeatedly finishing heat transfer, mass transport process until entering the tower still.Gas flow 4 is upward through through gas distributor and enters liquid phase on the column plate for the gas feed from the plate column bottom enters, and finishes heat transfer, the mass transfer of gas-liquid two-phase.
Embodiment
In laboratory with common sieve-plate tower separating alcohol-water mixed solution.12 blocks of column plates, 50 millimeters of tray spacings are installed in 80 millimeters of the rectifying column internal diameters, tower.Contain ethanol 63% (mass percent, down together) in the charging, reflux ratio is 3, and atmospheric operation records the top distillate after stablizing and contains ethanol 90%, and the bottom raffinate contains ethanol 5%.
Use plated tower of the present invention instead.Common sieve plate is installed in the tower, the number of plates is kept to 10, column plate opening area area increases by 10%, tray spacing is kept to 40 millimeters, have the rectangle pilot hole on the downspout plate, percent opening is 20%, and the effective depth of tower (tray spacing * number of plates) is kept to 400 millimeters by original 600 millimeters, record the top distillate after stable and contain ethanol 91%, the bottom raffinate contains ethanol 4.2%.Carry out plant capacity test and record the latter and improved 15%, illustrate that plated tower of the present invention can improve the separative efficiency and the disposal ability of tower effectively, has reduced the effective depth of tower simultaneously than the former.
The foregoing description does not limit the present invention in any form, and all technical schemes that form obtained of taking to be equal to replacement or equivalent transformation all drop within protection scope of the present invention.
Claims (5)
1, plated tower, comprise: tower wall, gas feed, gas vent, liquid-inlet, tower still, liquid outlet, column plate and downspout, described downspout is made of downspout plate and tower wall, it is characterized in that described downspout plate and column plate combine closely seamless, the downspout plate is the perforate rectangular slab, and the hole on the downspout plate is a pilot hole.
2, plated tower according to claim 1 is characterized in that described downspout plate, and the hole of opening on it is circle, rectangle or square.
3, plated tower according to claim 1 is characterized in that installing additional one or above porous demarcation strip or separate mesh between adjacent two column plates.
4, plated tower according to claim 1 is characterized in that filling between adjacent two column plates or part installs filler additional.
5, plated tower according to claim 1 is characterized in that described column plate is sieve tray or pilot hole column plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100209712A CN100556493C (en) | 2007-04-05 | 2007-04-05 | Plated tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100209712A CN100556493C (en) | 2007-04-05 | 2007-04-05 | Plated tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101073710A CN101073710A (en) | 2007-11-21 |
| CN100556493C true CN100556493C (en) | 2009-11-04 |
Family
ID=38975079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100209712A Expired - Fee Related CN100556493C (en) | 2007-04-05 | 2007-04-05 | Plated tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100556493C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041762A (en) * | 2012-12-21 | 2013-04-17 | 泰州职业技术学院 | Grid plate tower |
| CN103418151B (en) * | 2013-08-19 | 2016-08-24 | 中广核研究院有限公司 | A kind of distilling apparatus |
| CN104162290B (en) * | 2014-08-07 | 2015-12-16 | 黎明化工研究设计院有限责任公司 | A kind of liquid-liquid extraction tower hanging downcomer |
-
2007
- 2007-04-05 CN CNB2007100209712A patent/CN100556493C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101073710A (en) | 2007-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Dong Jianlin Document name: Written notice of preliminary examination of application for patent for invention |
|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Huanxin High-Tech Materials Co., Ltd. Assignor: Nanjing College of Chemical Technology Contract record no.: 2012320000176 Denomination of invention: Plated tower Granted publication date: 20091104 License type: Exclusive License Open date: 20071121 Record date: 20120307 |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 225774, Taizhou District, Jiangsu City, Xinghua Province West Industrial Park two district Patentee after: Nanjing College of Chemical Technology Address before: 210048 Jiangsu city of Nanjing province Dachang geguan Road No. 625 Patentee before: Nanjing College of Chemical Technology |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20180405 |