CN103386210B - Inner sleeve plate structure of packed fractionating tower - Google Patents
Inner sleeve plate structure of packed fractionating tower Download PDFInfo
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- CN103386210B CN103386210B CN201210141239.1A CN201210141239A CN103386210B CN 103386210 B CN103386210 B CN 103386210B CN 201210141239 A CN201210141239 A CN 201210141239A CN 103386210 B CN103386210 B CN 103386210B
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- inner sleeve
- sleeve plate
- plate structure
- filler
- fractionating column
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Abstract
The invention relates to an inner sleeve plate structure of a packed fractionating tower. The inner sleeve plate structure comprises at least one inner sleeve plate; the inner sleeve plate structure is along a tower height direction; namely, at least one inner sleeve plate is fixed in the tower along the wall of the packed fractionating tower. The inner sleeve plate structure is used for changing an overflowing area of a packed bed layer and improving gas-liquid distribution condition in the packed bed layer. The inner sleeve plate structure increases mass transfer efficiency, improves process performance of the fractionating tower, increases spraying density above the packed materials, prevents high temperature poor quality oil from coking in the packed bed layer, and reduces equipment investment.
Description
Technical field
The present invention relates to a kind of fractionating column internals, be specifically related to filler fractionating column inner sleeve plate structure.
Background technology
Filler fractionating column, as the important mass transfer separation equipment of oil and petrochemical industry, medicine and other fields, is applied very extensive.Packed tower internals mainly comprise the structures such as filling batch, feed distributor (distributor pipe), oil sump tank, gas distributor, liquid phase distributor.
In engineering practice, in filler fractionating column, the gas-liquid load of each filling batch often has larger difference, the selection of tower diameter must meet again the requirement of peak load filling batch, this will cause the filling batch that has or gas phase load too low, or liquid phase load is too low, also or all low both gas-liquid load, cause packed bed interval mass transfer, heat transfer efficiency too low or add unnecessary equipment investment.In addition, high temperature heavy system is because containing higher mechanical admixture, asphalitine, colloid, content of beary metal are also higher, filling batch needs higher sprinkle density, to improve mass transfer separative efficiency, to avoid occurring the coking phenomenon of filling batch inside, under overall filler fractionating column tower diameter, often liquid spraying density is too low.Such as, the vacuum tower inner top filling batch gas phase load of crude oil atmospheric vacuum distillation device be on the low side, to subtract packed bed interval liquid phase load in be that usually asphalitine, colloid, heavy metal, carbon residue equal size are higher for the system of on the low side, washing section packed bed interval, operating temperature is higher and liquid phase load is on the low side.
As shown in Figure 1, Chinese patent CN202052338 provides a kind of metallic packing fractionating tower for separating of imflammable gas, is provided with back-fire relief sieve plate between its packing layer, effectively can prevent the burning of imflammable gas and the generation of explosion accident.Above-mentioned patent all fails to improve gas-liquid load distribution in filling batch, also cannot effectively avoid heavy system material that the phenomenons such as coking, fouling, blocking occur in filling batch; Further, its installation cost is higher.
Summary of the invention
In order to improve the gas-liquid load distribution in fractionating column filling batch, improving the processing performance of corresponding filling batch, and effectively avoiding material that the phenomenons such as coking, fouling, blocking occur in filling batch, the invention provides a kind of filler fractionating column inner sleeve plate structure.
Design of the present invention is as follows:
Filler fractionating column inner sleeve plate structure, described inner sleeve plate structure comprises at least one inner sleeve plate, described inner sleeve plate structure is arranged along tower height direction, namely at least one inner sleeve plate is fixedly installed in tower along filler column wall of fractionation tray, for changing the area of passage of packed bed, improve the gas-liquid distribution situation in filling batch.
Described inner sleeve plate structure comprises at least one inner sleeve plate and attaching parts thereof; The attaching parts of described each inner sleeve plate comprise inner sleeve plate connecting plate, lamina tecti and gripper shoe; The side of described inner sleeve plate is fixedly connected with described inner sleeve plate connecting plate or bolt is connected; Described inner sleeve plate is fixedly connected with described lamina tecti or bolt is connected, and described lamina tecti is fixedly connected with described gripper shoe or bolt is connected; Described gripper shoe is fixedly connected with described inner wall of tower; Described inner sleeve plate connecting plate is fixedly connected on inner wall of tower; Namely described each inner sleeve plate top is closed by lamina tecti, lower open.
In order to the invention effect reached, described inner sleeve plate structure arranges and covers whole packed bed, and namely described each lamina tecti rational height is not less than the trim ring of this layer of packed bed; Under described inner sleeve plate, edge is not higher than the bottom of this layer of packed bed.
Described inner sleeve plate can be made up of one or more compoboard according to the demand of intensity and setting height(from bottom).
Described in concrete enforcement, inner sleeve plate structure comprises 1-4 inner sleeve plate and attaching parts thereof; Inner sleeve plate is arranged in each layer packed bed; Each inner sleeve plate and inner sleeve plate connecting plate, lamina tecti and gripper shoe combining structure change the area of passage of this layer of packed bed.
Described inner sleeve plate structure comprises 2 inner sleeve plates and attaching parts thereof; When number is more than 2 (containing 2), described inner sleeve plate mutually joins between any two or does not join, as shown in Figure 4, Figure 5; Described inner sleeve plate is parallel or vertical between any two.
In order to make whole inner sleeve plate be arranged in whole fractionating column, described inner sleeve plate comprises at least one block of inner sleeve plate compoboard, is bolted or is welded and fixed between described adjacent inner sleeve plate compoboard.
In specific embodiment, described inner sleeve plate comprises 1-3 block inner sleeve plate compoboard, and each adjacent inner sleeve plate compoboard described is fixedly connected sequentially from top to bottom, forms an inner sleeve plate.
Another inventive point of the present invention is exactly the application of this inner sleeve plate structure, and described inner sleeve plate structure is applied to arbitrarily using filler as in the fractionating column of resolution element.
Effect of the present invention is as follows:
1) in packed tower, the gas-liquid load along tower height direction changes greatly, and tower diameter need be chosen according to gas-liquid load maximum, and use inner sleeve plate structure can improve the gas-liquid distribution situation in filling batch, improves mass-transfer efficiency, improves the processing performance of fractionating column;
2) when the process of fractionating column section be high temperature low grade oils time, use inner sleeve plate structure can increase sprinkle density above filler, strengthen the clean result of bed, prevent the coking of high temperature low grade oils in filling batch.
3) inner sleeve plate structure is adopted to reduce equipment investment.
Accompanying drawing explanation
Fig. 1 is the structural representation of filler fractionating column in prior art;
Fig. 2 is the installation sketch of inner sleeve plate structure of the present invention in fractionating column;
Fig. 3 a is the top cross-sectional view of the inner sleeve plate structure of the embodiment of the present invention 1;
Fig. 3 b is the top cross-sectional view of the inner sleeve plate structure of the embodiment of the present invention 2;
Fig. 3 c is the top cross-sectional view of the inner sleeve plate structure of the embodiment of the present invention 3;
Fig. 3 d is the top cross-sectional view of the inner sleeve plate structure of the embodiment of the present invention 4.
Fig. 4 is the schematic diagram not joining structure between inner sleeve plate of the present invention.
Fig. 5 is the schematic diagram joining structure between inner sleeve plate of the present invention.
Detailed description of main elements
1-inner sleeve plate; 2-lamina tecti; 3-inner sleeve plate connecting plate; 4-filling batch; 5-lamina tecti gripper shoe; 6-tower wall;
1-1 inner sleeve plate compoboard one; 1-2 inner sleeve plate compoboard two; 1-3 inner sleeve plate compoboard three;
Be described in more detail the present invention below in conjunction with the drawings and specific embodiments, protection scope of the present invention is not limited to following detailed description of the invention.
Detailed description of the invention
In order to improve the gas-liquid load distribution in fractionating column filling batch, improving the processing performance of corresponding filling batch, and effectively avoiding material that the phenomenons such as coking, fouling, blocking occur in filling batch, the invention provides a kind of filler fractionating column inner sleeve plate structure.
Design of the present invention is as follows: filler fractionating column inner sleeve plate structure, described inner sleeve plate structure comprises at least one inner sleeve plate, described inner sleeve plate structure is arranged along tower height direction, namely at least one inner sleeve plate is fixedly installed in tower along filler column wall of fractionation tray, for changing the area of passage of packed bed, improve the gas-liquid distribution situation in packed bed.
Described inner sleeve plate structure comprises at least one inner sleeve plate and attaching parts thereof; The attaching parts of described each inner sleeve plate comprise inner sleeve plate connecting plate, lamina tecti and gripper shoe; The side of described inner sleeve plate is fixedly connected with described inner sleeve plate connecting plate or bolt is connected; Described inner sleeve plate is fixedly connected with described lamina tecti or bolt is connected, and described lamina tecti is fixedly connected with described gripper shoe or bolt is connected; Described gripper shoe is fixedly connected with described inner wall of tower; Described inner sleeve plate connecting plate is fixedly connected on inner wall of tower; Namely described each inner sleeve plate top is closed by lamina tecti, lower open.
In order to the invention effect reached, described inner sleeve plate structure arranges and covers whole packed bed, and namely described each lamina tecti rational height is not less than the trim ring of this layer of packed bed; Under described inner sleeve plate, edge is not higher than the bottom of this layer of packed bed.
As shown in Figure 2, filler fractionating column inner sleeve plate structure of the present invention is arranged in certain fractionating column, and its setting height(from bottom) span covering number is the whole section of filling batch of ' I ', and lamina tecti 2 setting height(from bottom) is higher than edge on filling batch, and inner sleeve plate 1 bottom is lower than edge under filling batch; Shutoff is carried out, lower open by lamina tecti 2 in inner sleeve plate structure top.
In accompanying drawing 2, inner sleeve plate 1 is combined by three pieces of inner sleeve plate compoboards 1-1,1-2,1-3, connects between three blocks of inner sleeve plate compoboards with bolt; Inner sleeve plate 1 and lamina tecti 2, lamina tecti 2 are with lamina tecti gripper shoe 5, be all connected with bolt between inner sleeve plate 1 with inner sleeve plate connecting plate 3; Lamina tecti gripper shoe 5 and inner sleeve plate connecting plate 3 are welded on tower wall 6.
Embodiment 1
The quantity of inner sleeve plate structure is one.
Embodiment 2
The quantity of inner sleeve plate structure is two, and embodiment gives a kind of relative position relation of two inner sleeve plates, mutually vertical between two inner sleeve plates.
Embodiment 3
The quantity of inner sleeve plate structure is three, and inner sleeve plate is mutually perpendicular or parallel between any two.
Embodiment 4
The quantity of inner sleeve plate structure is four, and inner sleeve plate is mutually perpendicular or parallel between any two.
Technique scheme is the embodiment of example of the present invention, for those skilled in the art, on the basis that the invention discloses application process and principle, be easy to make various types of improvement or distortion, and the structure be not limited only to described by the above-mentioned detailed description of the invention of the present invention, therefore previously described mode just preferably, and do not have restrictive meaning.
Claims (8)
1. filler fractionating column inner sleeve plate structure, it is characterized in that: described inner sleeve plate structure comprises at least one inner sleeve plate, described inner sleeve plate structure is arranged along tower height direction, namely at least one inner sleeve plate is fixedly installed in tower along filler column wall of fractionation tray, for changing the area of passage of filling batch, improve the gas-liquid distribution situation in filling batch;
Described inner sleeve plate structure comprises at least one inner sleeve plate and attaching parts thereof; The attaching parts of described each inner sleeve plate comprise inner sleeve plate connecting plate, lamina tecti and gripper shoe; The side of described inner sleeve plate is fixedly connected with described inner sleeve plate connecting plate or bolt is connected; Described inner sleeve plate is fixedly connected with described lamina tecti or bolt is connected, and described lamina tecti is fixedly connected with described gripper shoe or bolt is connected; Described gripper shoe is fixedly connected with described inner wall of tower; Described inner sleeve plate connecting plate is fixedly connected on inner wall of tower; Namely described each inner sleeve plate top is closed by lamina tecti, lower open.
2. filler fractionating column inner sleeve plate structure according to claim 1, is characterized in that:
Described inner sleeve plate structure arranges and covers whole filling batch, and namely described each lamina tecti rational height is not less than the trim ring of this layer of packed bed; Under described inner sleeve plate, edge is not higher than the bottom of this layer of packed bed.
3. filler fractionating column inner sleeve plate structure according to claim 1, is characterized in that:
Described inner sleeve plate structure comprises 1-4 block inner sleeve plate and attaching parts thereof; Inner sleeve plate is arranged in each layer packed bed; Each inner sleeve plate and inner sleeve plate connecting plate, the textural association of lamina tecti and gripper shoe changes the area of passage of this layer of packed bed.
4. filler fractionating column inner sleeve plate structure according to claim 3, is characterized in that:
Described inner sleeve plate structure comprises 2 inner sleeve plates and attaching parts thereof; Mutually join between described inner sleeve plate or do not join; Parallel or vertical between described 2 inner sleeve plates.
5. filler fractionating column inner sleeve plate structure according to claim 3, is characterized in that:
Described inner sleeve plate structure comprises 4 inner sleeve plates and attaching parts thereof; Mutually join between two between described 4 inner sleeve plates or do not join; Parallel or vertical between described 4 inner sleeve plates.
6. according to the filler fractionating column inner sleeve plate structure one of claim 1-4 Suo Shu, it is characterized in that: described inner sleeve plate comprises at least one block of inner sleeve plate compoboard, be bolted or be welded and fixed between described adjacent inner sleeve plate compoboard.
7. filler fractionating column inner sleeve plate structure according to claim 6, is characterized in that: described inner sleeve plate comprises 1-3 block inner sleeve plate compoboard, and each adjacent inner sleeve plate compoboard described is fixedly connected sequentially from top to bottom, forms an inner sleeve plate.
8. according to the application of the inner sleeve plate structure of one of claim 1-5, it is characterized in that, described inner sleeve plate structure is applied to arbitrarily using filler as in the fractionating column of resolution element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210141239.1A CN103386210B (en) | 2012-05-08 | 2012-05-08 | Inner sleeve plate structure of packed fractionating tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210141239.1A CN103386210B (en) | 2012-05-08 | 2012-05-08 | Inner sleeve plate structure of packed fractionating tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103386210A CN103386210A (en) | 2013-11-13 |
| CN103386210B true CN103386210B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210141239.1A Active CN103386210B (en) | 2012-05-08 | 2012-05-08 | Inner sleeve plate structure of packed fractionating tower |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0065920A1 (en) * | 1981-05-18 | 1982-12-01 | B.S.L. (Bignier Schmid-Laurent) | Treatment-column, especially for absorption and distillation |
| US4582569A (en) * | 1981-01-22 | 1986-04-15 | Distillation Technology Limited | Mass transfer apparatus |
| GB2338194A (en) * | 1998-06-08 | 1999-12-15 | Norton Chem Process Prod | Wall wiper for mass transfer towers |
| CN1864787A (en) * | 2006-03-31 | 2006-11-22 | 天津大学 | Liquid-collecting energy absorption device |
| CN201132100Y (en) * | 2007-12-06 | 2008-10-15 | 天津天大天久科技股份有限公司 | Trough and tube gas-liquid distribution apparatus for packed tower |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001025601A (en) * | 1999-07-13 | 2001-01-30 | Nisshin Flour Milling Co Ltd | Liquid disperser |
| JP2005224721A (en) * | 2004-02-13 | 2005-08-25 | Sumiju Plant Engineering Kk | Liquid dispersion apparatus |
-
2012
- 2012-05-08 CN CN201210141239.1A patent/CN103386210B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4582569A (en) * | 1981-01-22 | 1986-04-15 | Distillation Technology Limited | Mass transfer apparatus |
| EP0065920A1 (en) * | 1981-05-18 | 1982-12-01 | B.S.L. (Bignier Schmid-Laurent) | Treatment-column, especially for absorption and distillation |
| GB2338194A (en) * | 1998-06-08 | 1999-12-15 | Norton Chem Process Prod | Wall wiper for mass transfer towers |
| CN1864787A (en) * | 2006-03-31 | 2006-11-22 | 天津大学 | Liquid-collecting energy absorption device |
| CN201132100Y (en) * | 2007-12-06 | 2008-10-15 | 天津天大天久科技股份有限公司 | Trough and tube gas-liquid distribution apparatus for packed tower |
Non-Patent Citations (2)
| Title |
|---|
| JP特開2001-25601A 2001.01.30 * |
| JP特開2005-224721A 2005.08.25 * |
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| CN103386210A (en) | 2013-11-13 |
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Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: SINOPEC Group Patentee after: Sinopec Engineering Construction Co., Ltd Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: Sinopec Engineering Construction Co., Ltd |