CN203750547U - KF catalysis component - Google Patents
KF catalysis component Download PDFInfo
- Publication number
- CN203750547U CN203750547U CN201420151141.9U CN201420151141U CN203750547U CN 203750547 U CN203750547 U CN 203750547U CN 201420151141 U CN201420151141 U CN 201420151141U CN 203750547 U CN203750547 U CN 203750547U
- Authority
- CN
- China
- Prior art keywords
- catalyst
- catalysis
- ceramic membrane
- inorganic ceramic
- stainless steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model provides a KF catalysis component. The KF catalysis component comprises a tubular inorganic ceramic membrane element, wherein a catalyst filling channel is arranged in the tubular inorganic ceramic membrane element, and stainless steel screens are fixed at the two ends of the tubular inorganic ceramic membrane element. The KF catalyst component has high catalytic efficiency and also has high separation efficiency.
Description
Technical field
The utility model relates to a kind of catalysis member, especially a kind of KF catalysis member.
Background technology
The catalyst that fluorine ion is supplied with body and non-nucleophilicity as weak base, electronics is applied to organic synthesis, though have reaction condition gentleness, selective high, productive rate advantages of higher, often needs to use anhydrous fluoride.Therefore occurred many fluoride being coated on to supported catalyst system, wherein with KF/Al
2o
3the activity of system is higher.It can the many organic reactions of single-minded catalysis under room temperature heterogeneous conditions, and its effect is not second to KF/18-crown ether, and can be recycled.At present, this catalyst commercialization abroad.KF/Al
2o
3support type is widely used in the reactions such as alkylated reaction, Michael, Henry, Knoevenagel, Perkin, Claisen-Schmidt because of its strong effectively catalytic activity.
Traditional pellet type catalyst exists some obvious shortcomings, i.e. beds pressure drop is large, and reactant is large etc. in catalyst granules surface distributed inequality and beds each point thermograde.Componentization catalyst can overcome above-mentioned deficiency, can also strengthen chemical process, forms more compact, clean and energy-conservation new technology, becomes in current heterogeneous catalysis field one of the most potential research direction.
The catalyst of a China Patent Publication No. CN1304797A carrying potassium oxide, its percentage by weight consists of metal oxide, zeolite molecular sieve or the active carbon of 5-20% potassium fluoride and 80-95%, by catalyst carrier roasting 2 hours at 400 DEG C, then the composition of pressing catalyst by carrier impregnation in the aqueous solution of KF, vacuumize, leave standstill 12 hours, through 120 DEG C dry, at 600 DEG C, calcination activation obtains catalyst for 4 hours.Catalyst of the present invention have preparation process simple, be easy to get, active and selectively higher, reaction finishes rear catalyst and is separated by filtration, and there is reusable feature. but this catalyst is powdered granule, in the time that being used, liquid phase can lump, material distributing uniformity is poor, affects result of use.
China Patent Publication No. CN1299704A patent discloses a kind of catalytic distillation structure for gas-liquid-solid reaction system, it comprises a kind of catalyst, a kind of filler and a kind of metal structured packing as support vessels of distilling, it is characterized in that, catalyst is the special-shaped configuration particle of hollow; Distillation filler be have its size, configuration and bulk density all to the similar particle of catalyst granules.The shortcoming of this patent is not to be suitable for the catalyst that particle is little, as ion-exchange resin catalyst.
All these catalysis techniques are all coming with some shortcomings aspect material distributing uniformity, operating flexibility to some extent, and filling is also inconvenient.
Summary of the invention
The purpose of this utility model is the defect that overcomes prior art, and a kind of material filling convenience, distributed uniform, KF catalysis member that operating flexibility is large are provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows: a kind of KF catalysis member, comprise shell and tube inorganic ceramic membrane component, in described shell and tube inorganic ceramic membrane component, be provided with catalyst filling channel, described shell and tube inorganic ceramic membrane component two ends are fixed with stainless steel cloth.
The number of described catalyst filling channel is 5-19.
The aperture of described catalyst filling channel is 6-18mm.
Described stainless steel cloth mesh diameter is 100-150 order.
In described catalyst filling channel, be filled with KF and stainless steel row θ ring filler 1-3 by volume: 1 catalyst mixing.
Described catalyst filling rate is 70-90%.
Shell and tube inorganic ceramic membrane component in the present invention can adopt commercially available product, as the inorganic ceramic membrane film pipe of Nanjing Tian Ya membrane separation technique Co., Ltd production, the inorganic ceramic membrane component that Jiangsu Jiuwu High-Tech Co., Ltd. produces, its leading indicator is as follows: catalyst filling channel: 5-19, the aperture of catalyst filling channel is 5-15mm, length: 100-1000mm, material: aluminium oxide.
Stainless steel row θ ring filler can be selected the models such as 2mm × 2mm, 3 × 3mm, 4mm × 4mm, and material is 304 stainless steels.Stainless steel metal silk screen mesh diameter is not more than 150 orders to ensure that catalyst granules does not spill.Material is 304,316 or 316L stainless steel etc.
Compared with prior art, the utility model has the advantage of:
The existing higher catalytic efficiency of this KF catalysis element structure, has again good separative efficiency.Contrast KF/Al
2o
3loaded catalyst, under equivalent responses condition, material distributing uniformity is improved.Not only overcome traditional pellet type catalyst bed pressure drop high, the shortcoming such as temperature and concentration gradient are large, but also there is its unique shape selective catalysis function and good resistance to elevated temperatures, thereby catalyst activity and selectivity improves greatly.
Brief description of the drawings
Fig. 1 is KF catalysis element structure schematic diagram of the present utility model.
In figure, shell and tube inorganic ceramic membrane component 1, catalyst filling channel 2, stainless steel cloth 3.
Detailed description of the invention
Structure of the present utility model is referring to Fig. 1, a kind of KF catalysis member, comprise shell and tube inorganic ceramic membrane component 1, on shell and tube inorganic ceramic membrane component, be provided with catalyst filling channel 2, shell and tube inorganic ceramic membrane component two ends are fixed with stainless steel cloth 3, are filled with KF catalyst 4 and stainless steel row θ ring filler 5 1-3 by volume: 1 catalyst mixing in catalyst filling channel 2.
Embodiment 1.
By the KF catalysis member of a preferred embodiment of the present utility model, catalyze and synthesize cinnamic acid reaction test according to the member of accompanying drawing.
Catalytic filler tower internal diameter is φ 10mm, and the packed tower of height 1000mm is pressed the KF catalysis member that the utility model method is made for in-built 10.
The inorganic ceramic membrane component that this KF catalysis member adopts Nanjing Tian Ya membrane separation technique Co., Ltd to produce, leading indicator is as follows: port number=5, membrane aperture=0.5 μ m, the aperture 18mm of catalyst filling channel, length=100mm, material: aluminium oxide.It is the catalyst that 304 stainless steel row θ ring filler by volume=1 (V/V) mix with material that centre is filled with KF, filling rate=80%, the top and bottom of tubulation shape inorganic ceramic membrane component all seal with the stainless steel cloth that material is 304, and the 100 order stainless steel wires that are 304 by material are tied up.Form KF catalysis member of the present utility model.
Reaction condition is: within 1: 1 in molar ratio, add benzaldehyde and acetic anhydride, and benzaldehyde air speed=1, reaction tower feeding temperature is controlled at 160 DEG C, reaction 24h, LC-20A type liquid chromatographic detection cinnamic acid product content for sampling, calculated yield and selective.Record yield 91.2%, selective 94.2%.
Embodiment 2.
By the KF catalysis member of a preferred embodiment of the present utility model, catalyze and synthesize cinnamic acid reaction test.
Catalytic filler tower internal diameter is φ 30mm, and the packed tower of height 2000mm is pressed the KF catalysis member that the utility model method is made for in-built 2.
The inorganic ceramic membrane component that this KF catalysis member adopts Nanjing Tian Ya membrane separation technique Co., Ltd to produce, leading indicator is as follows: port number=19, membrane aperture=2mm, the aperture 6mm of catalyst filling channel, length=1000mm, material: aluminium oxide.It is the catalyst that 304 stainless steel row θ ring filler by volume=3 (V/V) mix with material that centre is filled with KF, filling rate=70%, the top and bottom of tubulation shape inorganic ceramic membrane component all seal with the stainless steel cloth that material is 316, and the 150 order stainless steel wires that are 316 by material are tied up.Form KF catalysis member of the present utility model.Form catalysis member of the present utility model.
Reaction condition is: within 1: 1 in molar ratio, add benzaldehyde and acetic anhydride, and benzaldehyde air speed=1, reaction tower feeding temperature is controlled at 160 DEG C, reaction 24h, LC-20A type liquid chromatographic detection cinnamic acid product content for sampling.Record yield 92.2%, selective 95.1%.
Embodiment 3.
By the KF catalysis member of a preferred embodiment of the present utility model, catalyze and synthesize cinnamic acid reaction test.
Catalytic filler tower internal diameter is φ 20mm, the packed tower of height 1500mm, in-built 3 KF catalysis members of the present utility model.
The inorganic ceramic membrane component that this KF catalysis member adopts Nanjing Tian Ya membrane separation technique Co., Ltd to produce, leading indicator is as follows: port number=7, membrane aperture=0.8 μ m, the aperture 12mm of catalyst filling channel, length=500mm, material: aluminium oxide.It is the catalyst that 304 stainless steel row θ ring filler by volume=2 (V/V) mix with material that centre is filled with KF, filling rate=90%, the top and bottom of tubulation shape inorganic ceramic membrane component all seal with the stainless steel cloth that material is 316L, and the 120 order stainless steel wires that are 316L by material are tied up.Form KF catalysis member of the present utility model.
Reaction condition is: within 1: 1 in molar ratio, add benzaldehyde and acetic anhydride, and benzaldehyde air speed=1, reaction tower feeding temperature is controlled at 160 DEG C, reaction 24h, LC-20A type liquid chromatographic detection cinnamic acid product content for sampling.Record yield 91.9%, selective 93.1%.
Comparative example
KF/Al
2o
3loaded catalyst, Shanxi coal chemical research institute produces.
Reaction condition is with embodiment 1, and just KF catalysis member changes KF/Al into
2o
3loaded catalyst, the other the same as in Example 1.Record yield 75.1%, selective 73.9%.
Claims (6)
1. a KF catalysis member, comprise shell and tube inorganic ceramic membrane component (1), it is characterized in that being provided with catalyst filling channel (2) in described shell and tube inorganic ceramic membrane component (1), described shell and tube inorganic ceramic membrane component (1) two ends are fixed with stainless steel cloth (3).
2. KF catalysis member according to claim 1, the number that it is characterized in that described catalyst filling channel (2) is 5-19.
3. KF catalysis member according to claim 1, is characterized in that the aperture of described catalyst filling channel (2) is 6-18mm.
4. KF catalysis member according to claim 1, is characterized in that described stainless steel cloth mesh diameter is 100-150 order.
5. KF catalysis member according to claim 1, is filled with KF and stainless steel row θ ring filler 1-3 by volume: 1 catalyst mixing in the catalyst filling channel (2) described in it is characterized in that.
6. KF catalysis member according to claim 5, is characterized in that described catalyst filling rate is 70-90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151141.9U CN203750547U (en) | 2014-03-27 | 2014-03-27 | KF catalysis component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151141.9U CN203750547U (en) | 2014-03-27 | 2014-03-27 | KF catalysis component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203750547U true CN203750547U (en) | 2014-08-06 |
Family
ID=51245859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420151141.9U Expired - Fee Related CN203750547U (en) | 2014-03-27 | 2014-03-27 | KF catalysis component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203750547U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499473A (en) * | 2016-09-23 | 2017-03-15 | 合肥信达膜科技有限公司 | A kind of vehicle exhaust film purifying device |
| CN109180440A (en) * | 2018-11-08 | 2019-01-11 | 凯瑞环保科技股份有限公司 | Extract catalytic tower |
| CN114702097A (en) * | 2022-04-08 | 2022-07-05 | 青岛理工大学 | Immersed coupling membrane filtration reactor, preparation method and application thereof |
-
2014
- 2014-03-27 CN CN201420151141.9U patent/CN203750547U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499473A (en) * | 2016-09-23 | 2017-03-15 | 合肥信达膜科技有限公司 | A kind of vehicle exhaust film purifying device |
| CN106499473B (en) * | 2016-09-23 | 2018-09-18 | 合肥信达膜科技有限公司 | A kind of vehicle exhaust film purifying device |
| CN109180440A (en) * | 2018-11-08 | 2019-01-11 | 凯瑞环保科技股份有限公司 | Extract catalytic tower |
| CN109180440B (en) * | 2018-11-08 | 2024-03-19 | 凯瑞环保科技股份有限公司 | Extraction catalytic reaction tower |
| CN114702097A (en) * | 2022-04-08 | 2022-07-05 | 青岛理工大学 | Immersed coupling membrane filtration reactor, preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI782921B (en) | Fixed catalyst bed comprising metal foam bodies | |
| CN103007929B (en) | The Pd bases catalyst of colloidal deposition method preparation, preparation method and application | |
| CN203750547U (en) | KF catalysis component | |
| EP3092072A1 (en) | A process for vapor-phase methanol carbonylation to methyl formate, a catalyst used in the process and a method for preparing the catalyst | |
| KR101960146B1 (en) | Method for producing isobutylene from isobutanol | |
| CN104710289A (en) | Method for olefin hydroformylation reaction through adopting solid heterogeneous catalyst | |
| CN102380380A (en) | Mercury-free catalyst system for acetylene hydrochlorination and use thereof | |
| Zhao et al. | Sulphated mesoporous La2O3–ZrO2 composite oxide as an efficient and reusable solid acid catalyst for alkenylation of aromatics with phenylacetylene | |
| CN102633754B (en) | Method for preparing high-purity 2, 5-dihydrofuran by modified nano alumina catalyst | |
| NO803816L (en) | PREPARATION OF ACETAMIDES WITH RODIUM-MANGAN CATALYST | |
| CN103506158B (en) | A kind of tert-butyl alcohol dehydration preparing isobutene catalysts and preparation method thereof | |
| CN103007943A (en) | Catalyst used for preparing ethanol by hydrogenation of acetic ester as well as preparation method and application of catalyst | |
| CN109569712A (en) | One kind being used for CO2The catalyst and its preparation method and purposes of hydrogenating reduction production ethyl alcohol | |
| CN108097324A (en) | A kind of catalyst for preparing acrylic acid and methyl acrylate and preparation method thereof | |
| CN109422657B (en) | Method for separating methylamine mixed gas and co-producing formamide compound | |
| CN103880661B (en) | A kind of catalysis ethanol direct dehydrogenation is prepared the method for ethyl acetate | |
| CN103894221B (en) | A kind of method utilizing molecular sieve catalyst without mercury catalyzing acetylene preparing vinyl chloride by hydrochlorination | |
| CN102367220A (en) | 3-methyl-3-butenyl-1-alcohol production method | |
| CN104419453B (en) | A kind of method of many unsaturated hydrocarbon selective hydrogenations | |
| CN103864597B (en) | The application that a kind of loading type Ru is catalyst based | |
| CN107405601B (en) | Catalyst for production of isobutylene and method for production of isobutylene | |
| CA2847233A1 (en) | Catalyst for c2 oxygenate synthesis, device for manufacturing c2 oxygenate, and method for manufacturing c2 oxygenate | |
| CN104437265A (en) | Self-condensation reaction preparation device of cyclohexanone | |
| Rosengart et al. | Renewable adipic acid from the hydrogenation of trans, trans-muconic acid: Selection of a three phases kinetic model | |
| CN102336630B (en) | Catalytic synthesis method of 2, 3-dichloro-1, 1, 1-trifluoropropane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140806 Termination date: 20170327 |