CN101708378B - Compound catalyzing bubble cap tray - Google Patents
Compound catalyzing bubble cap tray Download PDFInfo
- Publication number
- CN101708378B CN101708378B CN2009102645344A CN200910264534A CN101708378B CN 101708378 B CN101708378 B CN 101708378B CN 2009102645344 A CN2009102645344 A CN 2009102645344A CN 200910264534 A CN200910264534 A CN 200910264534A CN 101708378 B CN101708378 B CN 101708378B
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- Prior art keywords
- bubble
- cap
- bubble cap
- tray
- staving
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- Expired - Fee Related
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 23
- 239000003054 catalyst Substances 0.000 claims abstract description 38
- 239000011949 solid catalyst Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 238000011068 loading method Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000006555 catalytic reaction Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000003197 catalytic effect Effects 0.000 description 15
- 239000007788 liquid Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 8
- 238000004821 distillation Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005504 petroleum refining Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The invention discloses a compound catalyzing bubble cap tray mainly comprising a bubble cap top cover, a bubble cap barrel body, a solid catalyst, a catalyst support, bubble cap supporting legs and a tray sieve plate, wherein the hole diameter d of the tray sieve plate is from 10 to 150mm; the diameter D of the bubble cap barrel body is from 30 to 200mm; the height H of each bubble cap is from 100 to 500mm; the catalyst filling height in the bubble cap barrel body is from 50 to 250mm; the bubble cap barrel body is provided with the bubble cap top cover; the distance from the top cover to the upper tray is form 10 to 50mm; the catalyst support is arranged in the bubble cap barrel body; the height of the catalyst support is from 20 to 100mm; the distance from the bottom of the catalyst support to the tray sieve plate is from 20 to 50mm; the side wall of the bubble cap barrel body is provided with 4 to 16 ligulate guiding holes; and the bubble cap barrel body is fixed on an open hole of the tray sieve plate by the bubble cap supporting legs. Compared with a traditional bubble cap tray and a traditional plate type catalyzing rectifying tower, the compound catalyzing bubble cap tray has the advantages of high space utilization rate, large operating elasticity, tray pressure reduction, simple structure, convenient processing, low equipment expense and the like. The tray largely enhances the catalyzing efficiency and better meets the technological requirement of catalysis and rectification in the petrifaction industry.
Description
Technical field
The present invention relates to compound catalyzing bubble cap tray, it is to the catalytic distillation column plate in petroleum refining and the chemical engineering industry and the architecture advances of bubble cap plate.
Background technology
In industrial process such as PETROLEUM PROCESSING, chemical industry, fine chemistry industry, environmental protection, use various board-like separation and mass transfer tower in a large number, so that the liquid mixture of various ingredients, gas phase mixture are separated as requested.Plate column has all kinds, as bubble column, sieve-plate tower, valve tower, jet tray etc.Wherein bubble cap plate is as far back as one of column plate of industrial large-scale application, ripe method for designing and operating experience are arranged, the advantage of bubble cap plate is that operating flexibility is bigger, and column plate is difficult for stopping up, and can satisfy in higher gas load and the minimum operation operating mode of liquid load.Compare with other column plates, bubble column is very suitable for the catalytic distillation operation, current improvement for bubble column mainly is from improving gas-liquid flux and transmission efficiency, or research and development bubble-column reactor, relevant patent has super bubble column (CN1506144A), in bubble-column reactor, inject oxygen (97120840.9), have the method (CN1230941) of the bubble-column reactor and the regeneration catalyst wherein of draft tube, and combined porous medium bubble cap plate (CN2604219).Catalytic reaction rectification is a kind of application prospect novel reaction, separating technology widely, and it is at rectifying column catalyst to be set, and the reaction of material and separation process are finished in rectifying column simultaneously.Because the timely taking-up of reactant has promoted reaction forward to carry out, and has improved reaction efficiency, has realized higher selectivity, make total equipment investment and operating cost reduce.In the catalytic distillation process, the loadings of catalyst, the good contact of gas-liquid and catalyst, the length of time of contact can influence reaction efficiency.The rectifying section member of the catalytic rectifying tower of East China University of Science's exploitation is made up of the overlapping accumulation of a plurality of rectifying member units, the rectifying member unit comprises the junior unit of " complementation " about in the of two, junior unit comprise the one or more structured packing element of alternate combination and one or more catalyst element (referring to: patent CN00111945.1).The catalytic rectification tower plate of Hebei University of Technology's exploitation, regularly arranged riser is installed on column plate, the combined jet unit cooperate to be installed on the riser, the combinations of injections unit by stereo-spray calotte and solid catalyst combine (referring to: patent CN1895715).Also by corrugated shell apparatus with catalyst inside with form catalytic rectification packing (referring to: patent 92222666.0), the catalyze rectification packing tower of University Of Tianjin's exploitation, set gradually liquid distribution trough in its tower body from top to bottom, conical deflector, the catalytic filler section, gas distributor, the catalytic filler section by catalytic filler layer and structured filling material layer constitute alternately (referring to: patent CN101254353).In the catalytic rectifying tower of routine, catalyst comprises with conventional materials such as silk screens and is placed on the column plate after tying up or in the downspout, so that liquid can contact with catalyst when flowing through.Because tower plate structure restriction, the loadings of catalyst and all be very restricted, and exist pressure drop big with the contact area and time of liquid phase, energy consumption is big, and catalyst amount is big, change difficulty, inefficient shortcoming.
Summary of the invention
The compound catalyzing bubble cap tray that the object of the present invention is to provide a kind of large-flux low-pressure to fall.It can be used in the catalytic distillation operation in petroleum refining and the chemical industry, can effectively improve reaction efficiency, reduces plate pressure drop, increases operating flexibility, improves separative efficiency.Because catalyst is arranged in the blister configuration, greatly improved space availability ratio simultaneously.
Technical scheme of the present invention is as follows:
A kind of compound catalyzing bubble cap tray, it mainly comprises the bubble-cap top cover, the bubble-cap staving, solid catalyst, catalyst supports, bubble-cap leg and column plate sieve plate, aperture d=10～the 150mm of the column plate sieve plate of this compound catalyzing bubble cap tray, bubble-cap staving diameter is D=30～200mm, high H=100～the 500mm of bubble-cap, bubble-cap staving inner catalyst loading height is 50～250mm, the bubble-cap top cover is arranged on the bubble-cap staving, the bubble-cap top cover is 10～50mm apart from the last layer column plate, there is catalyst to support in the bubble-cap staving, catalyst supports high 20～100mm, its distance from bottom column plate sieve plate 20～50mm, have 4～16 ligulate pilot holes on the bubble-cap staving sidewall, the single hole area is 50～500mm
2, the perforate on the column plate sieve plate is flat hole or flared hole, the bubble-cap staving is fixed in the perforate of column plate sieve plate by the bubble-cap leg.In the bubble-cap staving, be provided with solid catalyst, be used for the catalytic distillation operation, under the gas collection structure function that catalyst supports, the ascending air band the liquid that enters bubble-cap and is moved upward, enter beds, after the abundant haptoreaction of catalyst, discharge by the pilot hole on the bubble-cap staving sidewall, the direction basically identical of liquid flow on fluid discharge horizontal flow direction and the column plate
It is the bottom that is fixed on the bubble-cap staving by three arrow gauges that are welded on bubble-cap staving bottom that above-mentioned compound catalyzing bubble cap tray, described catalyst support.
Above-mentioned compound catalyzing bubble cap tray, described catalyst support, top is a disc, can be porous materials such as porous plate, the silk screen of belt supporting frame.
Above-mentioned compound catalyzing bubble cap tray, described bubble-cap staving can be gone out a plurality of fluid passages with guide function, with the raising gas flux, and the approaching fluid motion of liquid flow direction on generation and the plate.
Above-mentioned compound catalyzing bubble cap tray, described top cover can adopt bolt, clamp or screw thread to fix with being connected of bubble-cap.
Above-mentioned compound catalyzing bubble cap tray can not add catalyst in the described bubble-cap staving, and then this bubble-cap then can be used as the efficient mass transfer device, and gas-liquid is fully mixed in the cover, and from covering the pilot hole ejection of being opened on the wall, column plate can be used as efficient separation tray then.
Compare with board-like catalytic rectifying tower with traditional bubble column, compound catalyzing bubble cap tray of the present invention has the space availability ratio height, and operating flexibility is big, plate pressure drop is low, simple in structure, easy to process, advantage such as cost of equipment is low.This column plate can greatly improve catalytic efficiency, and can be good at satisfying is the technological requirement of catalytic distillation in the petrochemical industry.
The advantage of patent of the present invention is:
1, the gas collection structure that support to adopt of catalyst can effectively be utilized the kinetic energy of gas, improves gas-liquid mixed, and provides stronger kinetic energy by beds for gas-liquid mixture;
2, gas-liquid can fully be mixed in bubble-cap, reaches higher transmission efficiency
3, the gas port on bubble-cap staving top reduces kinetic energy rejection, alleviates air-teturning mixed phenomenon, improves separative efficiency.
4, in the composite catalyzing bubble-cap, the filling of catalyst and change very convenient, and since catalyst can effectively utilize, catalyst consumption will be lacked relatively.
5, the composite catalyzing bubble-cap can be used as the efficient mass transfer original paper, is used for the on-catalytic distillation operation.
6, compound rectifying catalysis column plate flux is big, the efficient height, and operating flexibility is good, the cost performance height.
Description of drawings
Fig. 1 is the compound catalyzing bubble cap tray schematic diagram, and wherein: 1 is the bubble-cap top cover; 2 is the bubble-cap staving; 3 solid catalysts; 4 are the catalyst support; 5 is the bubble-cap leg; 6 is the column plate sieve plate; 7 is pilot hole.
Fig. 2 is the cap structure schematic diagram.
Fig. 3 is a bubble-cap bucket body structure schematic diagram.
Fig. 4 supports schematic diagram for catalyst.
Fig. 5 is a column plate perforate schematic diagram, and a is a flared hole; B is flat perforate.
Fig. 6 is a column plate liquid flow schematic diagram.
The specific embodiment
Embodiment 1
The structure of the compound catalyzing bubble cap tray of present embodiment is seen accompanying drawing 1 to 6, and it chooses the material that carbon steel is a sieve plate 6, and tower diameter is 1400mm, thick δ=the 4mm of column plate, aperture d=30mm, bubble-cap staving 2 adopts stainless steel processing, and wall thickness is 2mm, the bubble-cap setting height(from bottom) is h1=10mm, bubble-cap staving 2 diameters are D=60mm, high H=80mm, top cover 1 high h3=20mm, top cover 1 is connected strip width a=10mm with bubble-cap staving 2, and adopting diameter is the bolting (Fig. 3) of 6mm.Catalyst supports 4 lower diameter D1=50mm, upper diameter D2=14mm, high h2=18mm.Bubble-cap staving 2 adopts three L shaped steel bubble-cap legs 5 to be welded on the column plate sieve plate 6.High 50mm place on bubble-cap staving 2 sidewalls has 4 ligulate pilot holes 7, and towards the liquid level direction, the area in each hole is about 100mm
2
Claims (5)
1. compound catalyzing bubble cap tray, it is characterized in that: it mainly comprises bubble-cap top cover (1), bubble-cap staving (2), solid catalyst (3), catalyst supports (4), bubble-cap leg (5) and column plate sieve plate (6), aperture d=10～the 150mm of the column plate sieve plate (6) of this compound catalyzing bubble cap tray, bubble-cap staving (2) diameter is D=30～200mm, high H=100～the 500mm of bubble-cap, bubble-cap staving (2) inner catalyst loading height is 50～250mm, bubble-cap top cover (1) is arranged on the bubble-cap staving (2), bubble-cap top cover (1) is apart from last layer column plate 10～50mm, there is catalyst to support (4) in the bubble-cap staving (2), catalyst supports (4) high 20～100mm, its distance from bottom column plate sieve plate (6) 20～50mm, have 4～16 ligulate pilot holes (7) on bubble-cap staving (2) sidewall, the single hole area is 50～500mm
2, the perforate on the column plate sieve plate (6) is flat hole or flared hole, bubble-cap staving (2) is fixed in the perforate of column plate sieve plate (6) by bubble-cap leg (5).
2. compound catalyzing bubble cap tray according to claim 1 is characterized in that: it is the bottom that is fixed on bubble-cap staving (2) by three arrow gauges that are welded on bubble-cap staving (2) bottom that described catalyst supports (4).
3. compound catalyzing bubble cap tray according to claim 1 is characterized in that: it is the web material of disc porous plate or belt supporting frame that described catalyst supports (4) top.
4. compound catalyzing bubble cap tray according to claim 1 is characterized in that: described bubble-cap top cover is gone out a plurality of fluid passages with guide function.
5. compound catalyzing bubble cap tray according to claim 1 is characterized in that: described top cover adopts bolt, clamp or screw thread to fix with being connected of bubble-cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102645344A CN101708378B (en) | 2009-12-25 | 2009-12-25 | Compound catalyzing bubble cap tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102645344A CN101708378B (en) | 2009-12-25 | 2009-12-25 | Compound catalyzing bubble cap tray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101708378A CN101708378A (en) | 2010-05-19 |
| CN101708378B true CN101708378B (en) | 2011-11-02 |
Family
ID=42401198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102645344A Expired - Fee Related CN101708378B (en) | 2009-12-25 | 2009-12-25 | Compound catalyzing bubble cap tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101708378B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101940848B (en) * | 2010-09-27 | 2012-05-30 | 大庆油田飞马有限公司 | Catalytic rectification column member |
| CN106345391B (en) * | 2016-11-17 | 2019-02-22 | 河北工业大学 | Combined type solid eddy flow sieve plate and combined type sieve-plate tower |
-
2009
- 2009-12-25 CN CN2009102645344A patent/CN101708378B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101708378A (en) | 2010-05-19 |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Application publication date: 20100519 Assignee: HUBEI RUISI TECHNOLOGY CO., LTD. Assignor: Nanjing University Contract record no.: 2013420000031 Denomination of invention: Compound catalyzing bubble cap tray Granted publication date: 20111102 License type: Exclusive License Record date: 20130428 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20141225 |
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| EXPY | Termination of patent right or utility model |