CN201384864Y - Novel packed tower - Google Patents
Novel packed tower Download PDFInfo
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- CN201384864Y CN201384864Y CN200920037478U CN200920037478U CN201384864Y CN 201384864 Y CN201384864 Y CN 201384864Y CN 200920037478 U CN200920037478 U CN 200920037478U CN 200920037478 U CN200920037478 U CN 200920037478U CN 201384864 Y CN201384864 Y CN 201384864Y
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- liquid
- structured packing
- tower body
- hollow cylinder
- packed tower
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Abstract
The utility model discloses a novel packed tower. A structured packing is composed by the combination of two or more hollow column bodies, and the cross sections of the hollow column bodies are round, hexagonal or other shapes; small holes are arranged on a liquid distribution plate, liquid guide pipes are connected under the small holes, the liquid guide pipes are communicated into the hollow column bodies of the structured packing, and the liquid distribution plate is horizontally arranged above the structured packing in a tower body; gas flow guide plates are made by the rotating and twisting of rectangular plates, a plurality of convex points are arranged at the side edges of the gas flow guide plates, the gas flow guide plates are arranged in the hollow column bodies of the structured packing, the height of the gas flow guide plates is slightly smaller than that of the hollow column bodies, and a gas outlet is arranged between the structured packing and the liquid distribution plate. The novel packed tower can thoroughly eliminate non-uniform distribution of liquid in the packed tower, greatly increase the speed of ascending air flow, strengthen the stirring function against a liquid film, promote the upgrading of the liquid phase surface, increase the gas-liquid mass transfer rate to a large degree, and improve the production capacity as well as separation efficiency of the packed tower.
Description
Technical field
The utility model relates to the equipment in a kind of Chemical Manufacture, is specifically related to the gas-liquid mass transfer in the Chemical Manufacture, the packed tower of using as GAS ABSORPTION or liquid distillation.Belong to technical field of chemical.
Background technology
Packed tower is the common equipment of mass-transfer progress.Flow behavior, the distribution of liquid situation of gas-liquid two-phase have material impact to separative efficiency, the production capacity of packed tower in the tower.There is following shortcoming in the packed tower that uses in the Chemical Manufacture at present: (1) filler itself can't effectively overcome wall stream effect, need install a liquid apparatus for redistributing additional every certain altitude, dried wall phenomenon occurs to stop filling surface, but install the space availability ratio that the liquid apparatus for redistributing has reduced packed tower additional; (2) even and filling surface do not form dried wall, owing to reasons such as wall flow phenomenons, the distribution that liquid flows downward along filling surface is uneven, also can produce bigger influence to absorption process; (3) filler all fails gas flow is effectively guided.Liquid distribution is inhomogeneous and even dried wall phenomenon, uprising gas occur that liquid film is stirred dynamics is not enough etc., all will influence the contact of gas-liquid two-phase, reduction mass transfer separative efficiency and production capacity.
The utility model content
The purpose of this utility model is the research by behavior that gas-liquid two-phase in the conventional filler tower is flowed, from another new angle, with a new theory packed tower is optimized, strengthens the contact of gas-liquid two-phase, to improve the mass transfer separative efficiency and the production capacity of packed tower.
For achieving the above object, the utility model is to take following technical scheme to realize:
A kind of novel packed tower, comprise tower body, gas feed, gas vent, liquid-inlet, liquid outlet, filler and filler bracing or strutting arrangement, described liquid outlet is located at the lower end of tower body, described liquid-inlet is located at the upper end of tower body, filler is installed in the tower body, and the bottom is supported with the filler bracing or strutting arrangement; It is characterized in that also comprising liquid distributing board and liquid guiding tube, described filler is structured packing, constitute by two or more hollow cylinder permutation and combination together, be installed on the filler bracing or strutting arrangement in the tower body, make it seamless at the filler of jumping a queue between each hollow cylinder of structured packing and between structured packing and the tower body wall; Described liquid distributing board is the plectane that a diameter is slightly less than the tower body internal diameter, level is installed in the top of structured packing in the tower body, having the aperture that diameter is identical, quantity equals hollow cylinder quantity in the structured packing on the plectane, the below of each aperture connects the liquid guiding tube, described liquid guiding tube passes in each hollow cylinder of structured packing, and each liquid guide tube diameter equates, equal in length; Described gas feed is located at the below of filler bracing or strutting arrangement in the tower body, and described gas vent is located between structured packing and the liquid distributing board; The filler bracing or strutting arrangement supports filler and gas guide board simultaneously.
Aforesaid novel packed tower is characterized in that described hollow cylinder, and its shape of cross section is circle, regular hexagon, equilateral triangle, quadrangle or other shape.
Aforesaid novel packed tower, it is characterized in that also comprising gas guide board, described gas guide board entirely rotates distortion by a rectangular slab and makes, its cross section is a straight line, be installed in each hollow cylinder of structured packing, highly be slightly less than the height of hollow cylinder, lower support is on the filler bracing or strutting arrangement, and top is pushed down by the liquid guiding tube.
Aforesaid novel packed tower is characterized in that described gas guide board made by sheet plastic.
Aforesaid novel packed tower is characterized in that the side of described gas guide board is provided with a plurality of protruding points.
Aforesaid novel packed tower, it is characterized in that also comprising the liquid automatic control device, be installed on the tower body of liquid distributing board upside, described liquid automatic control device is made of liquid level emasuring device, automatic admission valve and automatic air outlet valve, keeps the liquid level on the liquid distributing board constant by the pressure above the control liquid distributing board.
The utility model has the advantages that: structured packing is made of two or more hollow cylinders, has formed two or more separate little packed towers like this in packed tower, and gas, liquid in each little packed tower do not mix mutually.By liquid automatic control device, liquid distributing board and liquid guiding tube guarantee liquid successfully, flow flows into each little packed tower in full accordly, thoroughly eliminate the inhomogeneous influence to absorption process of liquid distribution, the liquid guiding tube works to fix gas guide board in each hollow cylinder simultaneously; Between each hollow cylinder and seamless between structured packing and tower wall, stop gas and liquid flows through; Gas guide board guides gas high speed rotational flow in each little packed tower, has improved the flow velocity of gas, has strengthened the agitaion of gas to liquid film, has promoted the renewal on liquid phase surface, has improved gas-liquid mass transfer speed; A plurality of protruding points that the gas guide board side leaves prevent that it is close to the hollow cylinder inboard, do not influence liquid along the downward flow distribution of hollow cylinder inwall; The liquid automatic control device is adjusted pressure according to the height of liquid level on the liquid distributing board, guarantees that liquid flows in each hollow cylinder of filler smoothly.Gas-liquid mass transfer speed be can accelerate largely by above-mentioned measure, filler output of column and separative efficiency improved.
The utility model can thoroughly be eliminated the inhomogeneous of the interior liquid distribution of packed tower, improve the speed of ascending air greatly, strengthened agitaion, promoted the renewal on liquid phase surface liquid film, gas-liquid mass transfer speed be can accelerate largely, filler output of column and separative efficiency improved.
Description of drawings
Fig. 1 is the structural representation of packed tower of the present utility model;
Fig. 2 is the cross sectional representation of structured packing;
Fig. 3 is the structural representation of gas guide board.
Main symbol description among the figure:
1, gas feed 2, tower body 3, gas vent 4, liquid guiding tube
5, liquid distributing board 6, liquid-inlet 7, liquid automatic control device
8, structured packing 9, filler bracing or strutting arrangement 10, liquid outlet 11, gas guide board
The specific embodiment
Below in conjunction with accompanying drawing the utility model specifically is described below:
Fig. 1 is the structural representation of packed tower of the present utility model, and Fig. 2 is the cross sectional representation of structured packing, and Fig. 3 is the structural representation of gas guide board.
As shown in the figure, novel packed tower of the present utility model comprises tower body 2, gas vent 3, gas feed 1, liquid outlet 10, liquid-inlet 6, structured packing 8, liquid guiding tube 4, liquid distributing board 5, gas guide board 11, liquid automatic control device 7 and filler bracing or strutting arrangement 9.
In order to strengthen the flow velocity of gas in hollow cylinder and, to improve mass transfer rate, a gas guide board 11 is installed in each hollow cylinder to the agitaion of liquid film.The gas flow guiding utmost point 11 is made through rotation distortion entirely by a rectangular slab, and its cross section all is a straight line, highly is slightly less than the height of hollow cylinder, and lower support is on filler bracing or strutting arrangement 9, and top is pushed down by liquid guiding tube 4, positions.Gas is under the guiding of gas guide board 11, and high speed rotational flow in hollow cylinder improves gas flow rate, and has strengthened the agitaion to liquid film, has promoted the renewal on liquid phase surface.
In order to prevent that gas guide board 11 is close to the hollow cylinder inboard of structured packing 8, influence liquid along the downward flow distribution of hollow cylinder inwall, side at gas guide board 11 is provided with a plurality of protruding points, makes gas guide board 11 and hollow cylinder inwall remain certain clearance.Gas guide board 11 can adopt sheet plastic or other material to make.
In the utility model, also be provided with liquid automatic control device 7, be installed on the tower body 2 of liquid distributing board 5 upsides, comprise liquid level emasuring device, automatic admission valve and automatic air outlet valve, height according to liquid level on the liquid distributing board 8 is adjusted pressure, guarantees that liquid flows in each hollow cylinder of structured packing 8 smoothly.
Liquid distributing board 5 tops of liquid in liquid-inlet 6 enters tower body 2, under the guiding of liquid distributing board 5, liquid guiding tube 4 and liquid automatic control device 7, control, flow fully equably, successfully enters in each hollow cylinder of structured packing 8, flow downward along the hollow cylinder inwall, at the bottom of tower, compile the back and flow out tower body 2 from liquid outlet 10.Gas enters tower body 2 by gas feed 1, rotation is upwards mobile at a high speed in each hollow cylinder of structured packing 8 under gas guide board 11 guiding, finish heat transfer, the mass transfer of gas-liquid two-phase, leave tower body 2 from the gas vent 3 between structured packing 8 and the liquid distributing board 5, filler bracing or strutting arrangement 9 supports structured packing 8 and gas guide board 11 simultaneously.
The utility model major technology characteristics are:
This packed tower is characterised in that:
1, the packed tower of this structure is made of two or more separate little packed towers, and gas, liquid in each little packed tower do not mix mutually, and fluid flow is in full accord, thoroughly eliminates the inhomogeneous influence to absorption process of liquid distribution.
2, the gas guide board that in each hollow cylinder of structured packing, installs additional, improved the speed of ascending air greatly, strengthened agitaion, promoted the renewal on liquid phase surface liquid film, gas-liquid mass transfer speed be can accelerate largely, filler output of column and separative efficiency improved.
3, the liquid automatic control device is kept the constant of liquid level on the liquid distributing board by the pressure of adjusting the liquid distributing board top, guarantees that liquid flows in each hollow cylinder of structured packing smoothly.
4, in the packed tower of this structure, no matter how high packing layer have, and all need not install the liquid apparatus for redistributing additional.Improved the space availability ratio of packed tower.
Embodiment one
In the packed absorber that the stainless steel wire corrugated wire gauze packing is installed, with the ammonia in absorbing pure water air, the ammonia mist, the operation liquid-gas ratio is 1.8 (mol ratios), contains ammonia 2.5% (volume %) in the inlet mist, and recording absorptivity is 92.6%.Use packed tower of the present utility model instead, promptly the repacking radius is that 1.0 centimetres circular hollow cylinder is structured packing in tower, install additional in each circular hollow cylinder through the sheet plastic of rotation distortion and make gas guide board, pack into behind liquid distributing board, the liquid guiding tube in the structured packing top, under the constant situation of other condition, record absorptivity and be increased to 95.8%.In addition, under two kinds of situations, the maximum processing capability latter of experimental rig has improved 13% than the former in the above.
Embodiment two:
In the packed absorber that stainless steel cloth θ ring is installed, with the acetone in absorbing pure water air, the acetone mist, operating temperature is 293K, and operation pressure is 101.3kPa, when containing acetone 3% (volume %) in the inlet mist, the absorptivity that records experimental rig is 91%.Use packed tower of the present utility model instead, promptly the repacking radius is that 1.0 centimetres circular hollow cylinder is structured packing in tower, install additional in each circular hollow cylinder through the sheet plastic of rotation distortion and make gas guide board, pack into behind liquid distributing board, the liquid guiding tube in the structured packing top, under the constant situation of other condition, the absorptivity that records experimental rig is increased to 94.9%.In addition, under two kinds of situations, the maximum processing capability latter of experimental provision has improved 11% than the former in the above.
The foregoing description does not limit the utility model in any form, and all technical schemes that form obtained of taking to be equal to replacement or equivalent transformation all drop within the protection domain of the present utility model.
Claims (6)
1, a kind of novel packed tower, comprise tower body, gas feed, gas vent, liquid-inlet, liquid outlet, filler and filler bracing or strutting arrangement, described liquid outlet is located at the lower end of tower body, described liquid-inlet is located at the upper end of tower body, filler is installed in the tower body, and the bottom is supported with the filler bracing or strutting arrangement; It is characterized in that also comprising liquid distributing board and liquid guiding tube, described filler is structured packing, constitute by two or more hollow cylinder permutation and combination together, be installed on the filler bracing or strutting arrangement in the tower body, make it seamless at the filler of jumping a queue between each hollow cylinder of structured packing and between structured packing and the tower body wall; Described liquid distributing board is the plectane that a diameter is slightly less than the tower body internal diameter, level is installed in the top of structured packing in the tower body, having the aperture that diameter is identical, quantity equals hollow cylinder quantity in the structured packing on the plectane, the below of each aperture connects the liquid guiding tube, described liquid guiding tube passes in each hollow cylinder of structured packing, and each liquid guide tube diameter equates, equal in length; Described gas feed is located at the below of filler bracing or strutting arrangement in the tower body, and described gas vent is located between structured packing and the liquid distributing board.
2, novel packed tower according to claim 1 is characterized in that described hollow cylinder, and its shape of cross section is circle, regular hexagon, equilateral triangle or quadrangle.
3, novel packed tower according to claim 1, it is characterized in that also comprising gas guide board, described gas guide board entirely rotates distortion by a rectangular slab and makes, its cross section is a straight line, be installed in each hollow cylinder of structured packing, highly be slightly less than the height of hollow cylinder, lower support is on the filler bracing or strutting arrangement, and top is pushed down by the liquid guiding tube.
4, novel packed tower according to claim 3 is characterized in that described gas guide board made by sheet plastic.
5, novel packed tower according to claim 3 is characterized in that the side of described gas guide board is provided with a plurality of protruding points.
6, novel packed tower according to claim 1, it is characterized in that also comprising the liquid automatic control device, be installed on the tower body of liquid distributing board upside, described liquid automatic control device is made of liquid level emasuring device, automatic admission valve and automatic air outlet valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920037478U CN201384864Y (en) | 2009-02-13 | 2009-02-13 | Novel packed tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920037478U CN201384864Y (en) | 2009-02-13 | 2009-02-13 | Novel packed tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201384864Y true CN201384864Y (en) | 2010-01-20 |
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ID=41577385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920037478U Expired - Lifetime CN201384864Y (en) | 2009-02-13 | 2009-02-13 | Novel packed tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201384864Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101507884B (en) * | 2009-02-13 | 2010-12-01 | 南京化工职业技术学院 | Novel packed tower |
| CN103394321A (en) * | 2013-07-22 | 2013-11-20 | 杭州杭氧股份有限公司 | Mounting method for large-diameter packed tower internals |
| CN105709447A (en) * | 2016-04-29 | 2016-06-29 | 河北工业大学 | Packing tower for honeycomb grids |
| CN106267874A (en) * | 2016-09-12 | 2017-01-04 | 东南大学 | A kind of rectification of gases device using water conservancy diversion silk |
-
2009
- 2009-02-13 CN CN200920037478U patent/CN201384864Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101507884B (en) * | 2009-02-13 | 2010-12-01 | 南京化工职业技术学院 | Novel packed tower |
| CN103394321A (en) * | 2013-07-22 | 2013-11-20 | 杭州杭氧股份有限公司 | Mounting method for large-diameter packed tower internals |
| CN103394321B (en) * | 2013-07-22 | 2015-04-01 | 杭州杭氧股份有限公司 | Mounting method for large-diameter packed tower internals |
| CN105709447A (en) * | 2016-04-29 | 2016-06-29 | 河北工业大学 | Packing tower for honeycomb grids |
| CN106267874A (en) * | 2016-09-12 | 2017-01-04 | 东南大学 | A kind of rectification of gases device using water conservancy diversion silk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100120 Effective date of abandoning: 20090213 |