CN204816561U - Cloverleaf pattern catalyst - Google Patents
Cloverleaf pattern catalyst Download PDFInfo
- Publication number
- CN204816561U CN204816561U CN201520459767.0U CN201520459767U CN204816561U CN 204816561 U CN204816561 U CN 204816561U CN 201520459767 U CN201520459767 U CN 201520459767U CN 204816561 U CN204816561 U CN 204816561U
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- China
- Prior art keywords
- pore passage
- clover
- passage structure
- catalyst
- circle
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- Expired - Fee Related
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 58
- 239000011148 porous material Substances 0.000 claims abstract description 55
- 241000219793 Trifolium Species 0.000 claims description 10
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 235000004035 Cryptotaenia japonica Nutrition 0.000 description 1
- 240000005702 Galium aparine Species 0.000 description 1
- 235000014820 Galium aparine Nutrition 0.000 description 1
- 241000612118 Samolus valerandi Species 0.000 description 1
- 102000007641 Trefoil Factors Human genes 0.000 description 1
- 235000015724 Trifolium pratense Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Catalysts (AREA)
Abstract
The utility model discloses a cloverleaf pattern catalyst, its radial transversal cloverleaf pattern form of forming by three circle of personally submitting, two arbitrary circles are circumscribed each other in the three circle, cloverleaf pattern catalyst's both ends face and side surface are provided with a plurality of porous structure, just set up not to be the through -hole in the porous structure of cloverleaf pattern catalyst's both ends face. The utility model has the characteristics of outer specific surface is big, and the long -pending height of pore volume, bulk density hang down, the crushing strength is high, the porosity is high, the appearance is miscellaneous can the reinforce to can promote liquid evenly distributed etc.
Description
Technical field
The utility model relates to a kind of petrochemical industry used catalyst or guard catalyst; be applicable to, as light ends oil and the catalyst of heavy distillate or guard catalyst, be particularly useful for the catalyst as gasoline, kerosene, diesel oil, normal pressure wax oil, decompressed wax oil and residual oil or guard catalyst.
Background technology
Catalyst plays core important function at catalytic field, usual catalyst all has certain pattern, a kind of catalyst is in the industry along with application target is different, have different requirement to the aspect such as specific area, pore volume, intensity, pressure drop, mass transfer, fluid distrbution of catalyst, research shows that catalyst is made different exterior appearances and all can be affected the serviceability of catalyst in industrial aspect.
The exterior appearance of traditional catalyst has that cylindrical, Raschig ring shape, seven apertures in the human head are spherical, cloverleaf pattern, bunge bedstraw herb shape, wheel shape, gear shape, wherein cloverleaf pattern is a kind of conventional catalyst shape at petrochemical industry.
Chinese patent CN201061759Y discloses a kind of symmetrical clover catalyst, clover forms three blades by three circles, a great circle and trefoil three circles circumscribed, define the proportionate relationship of outside diameter and interior circular diameter, Chinese patent CN202290060U also discloses a kind of symmetrical clover catalyst, and inner circle diameter d is 0.4641 times of outside diameter D.
Chinese patent CN202410682U discloses a kind of asymmetric clover catalyst, and this catalyst is made up of large roundlets such as a great circle and two.
Above publication just protects the overall appearance structure of catalyst; do not relate to design catalyst radial cross-section and particle surface at the catalyst of macroscopic perspective with pore passage structure; which limits catalyst and have high pore volume; for requiring in industry that high catalyst holds impurity ability; this kind of catalyst effectively can not meet instructions for use, and this catalyst particle surface and radial cross-section are restricted in industrial application without the Clover-shaped catalyzer of pore passage structure.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of external surface area is large, pore volume is high, bulk density is low, the good catalyst of crushing strength, better meets the instructions for use to catalyst high-specific surface area, high pore volume in industry.
To achieve these goals, the utility model provides a kind of Clover-shaped catalyzer, its radial cross-section is in the clover shape be made up of three circles, in described three circles, any two circles are mutually circumscribed, wherein, the both ends of the surface of described Clover-shaped catalyzer and side surface are provided with several pore passage structures, and the pore passage structure being arranged at the both ends of the surface of Clover-shaped catalyzer is not through hole.
Clover-shaped catalyzer described in the utility model, wherein, described pore passage structure is circular pore passage structure.
Clover-shaped catalyzer described in the utility model, wherein, described pore passage structure is polygon pore passage structure.
Clover-shaped catalyzer described in the utility model, wherein, described pore passage structure is circular pore passage structure and polygon pore passage structure.
Clover-shaped catalyzer described in the utility model, wherein, described polygon pore passage structure is positive n limit shape pore passage structure.
Clover-shaped catalyzer described in the utility model, wherein, in the shape pore passage structure of described positive n limit, the value of n is not more than 6.
Clover-shaped catalyzer described in the utility model, wherein, in described catalyst radial cross-section, the ratio of the diameter of the circular pore passage structure that each diameter of a circle and described catalyst external surface distribute is 5 ~ 40.
Clover-shaped catalyzer described in the utility model, wherein, in described catalyst radial cross-section, the ratio of the external diameter of a circle of the positive n limit shape pore passage structure that each diameter of a circle and described catalyst external surface distribute is 5 ~ 40.
Clover-shaped catalyzer described in the utility model, wherein, have the circle of two equal diameters in described three circles at least, in described three circles, each diameter of a circle is 1:2 ~ 1:20 with the ratio of described catalyst length.
In sum, the utility model is relative to its beneficial effect of prior art, has external surface area large, pore volume is high, bulk density is low, crushing strength is high, porosity is high, holds assorted ability by force, and can promote the features such as uniform liquid distribution.
Below in conjunction with drawings and Examples, the utility model is described further.
Accompanying drawing explanation
Fig. 1: the utility model one is provided with the perspective view of circular pore passage structure and regular hexagon pore passage structure embodiment;
Fig. 2: the utility model one is provided with the radial cross-section schematic diagram of circular pore passage structure and regular hexagon pore passage structure embodiment;
Wherein Reference numeral:
The end face of 1-catalyst;
The side surface of 2-catalyst;
The circular pore passage structure of 3-;
4-regular hexagon pore passage structure;
The radial cross-section of 5-catalyst;
6-forms the circle of cloverleaf pattern radial cross-section;
The diameter of a circle of Φ-composition cloverleaf pattern radial cross-section;
The length of L-catalyst;
The diameter of the circular pore passage structure of d1-;
The circumscribed circle diameter of d2-regular hexagon pore passage structure.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, technical solutions of the utility model are described in detail, further to understand the purpose of this utility model, scheme and effect, but and are not used to limit the utility model.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the perspective view that the utility model one is provided with circular pore passage structure and regular hexagon pore passage structure embodiment, and Fig. 2 is the radial cross-section schematic diagram that the utility model one is provided with circular pore passage structure and regular hexagon pore passage structure embodiment.As depicted in figs. 1 and 2, the radial cross-section of Clover-shaped catalyzer 5 in the clover shape be made up of three circles 6, in described three circles 6 any two mutual circumscribed.
End face 1 and the side surface 2 of Clover-shaped catalyzer are provided with some pore passage structures, and described pore passage structure is circular pore passage structure 3 and regular hexagon duct 4.The ratio of the diameter d 1 of the circular pore passage structure 3 that the diameter of phi of the circle 6 of composition cloverleaf pattern radial cross-section and this catalyst surface distribute is 5 ~ 40; The ratio of the circumscribed circle diameter d2 of the regular hexagon pore passage structure 4 that the diameter of phi of the circle 6 of composition cloverleaf pattern radial cross-section and this catalyst surface distribute is 5 ~ 40.The diameter of circle 6 is 1:2 ~ 1:20 with the ratio of this catalyst particles grain length L.
Therefore, Clover-shaped catalyzer of the present utility model is better distributed by pore passage structure, and the pore volume that achieves catalyst is high, porosity is high, hold the strong feature of assorted ability; Design the proportionate relationship of clover catalyst blade circular diameter and catalyst particles grain length; more be conducive to Catalyst Adsorption ability, activity and stability better to play; simultaneously also to have external surface area large for this clover catalyst; the feature that bulk density is low, crushing strength is high; this kind of clover catalyst is suitable as catalyst or the guard catalyst of light ends oil and heavy distillate, is particularly useful for the catalyst as gasoline kerosene, diesel oil, normal pressure wax oil, decompressed wax oil and residual oil or guard catalyst.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the utility model.
Claims (9)
1. a Clover-shaped catalyzer, its radial cross-section is in the clover shape be made up of three circles, in described three circles, any two circles are mutually circumscribed, it is characterized in that, the both ends of the surface of described Clover-shaped catalyzer and side surface are provided with several pore passage structures, and the pore passage structure being arranged at the both ends of the surface of Clover-shaped catalyzer is not through hole.
2. Clover-shaped catalyzer as claimed in claim 1, it is characterized in that, described pore passage structure is circular pore passage structure.
3. Clover-shaped catalyzer as claimed in claim 1, it is characterized in that, described pore passage structure is polygon pore passage structure.
4. Clover-shaped catalyzer as claimed in claim 1, it is characterized in that, described pore passage structure is circular pore passage structure and polygon pore passage structure.
5. the Clover-shaped catalyzer as described in claim 3 or 4, is characterized in that, described polygon pore passage structure is positive n limit shape pore passage structure.
6. Clover-shaped catalyzer as claimed in claim 5, it is characterized in that, in the shape pore passage structure of described positive n limit, the value of n is not more than 6.
7. the Clover-shaped catalyzer as described in claim 2 or 4, is characterized in that, in described catalyst radial cross-section, the ratio of the diameter of the circular pore passage structure that each diameter of a circle and described catalyst external surface distribute is 5 ~ 40.
8. Clover-shaped catalyzer as claimed in claim 5, it is characterized in that, in described catalyst radial cross-section, the ratio of the external diameter of a circle of the positive n limit shape pore passage structure that each diameter of a circle and described catalyst external surface distribute is 5 ~ 40.
9. Clover-shaped catalyzer as claimed in claim 1, it is characterized in that having the circle of two equal diameters in described three circles at least, in described three circles, each diameter of a circle is 1:2 ~ 1:20 with the ratio of described catalyst length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459767.0U CN204816561U (en) | 2015-06-30 | 2015-06-30 | Cloverleaf pattern catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459767.0U CN204816561U (en) | 2015-06-30 | 2015-06-30 | Cloverleaf pattern catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204816561U true CN204816561U (en) | 2015-12-02 |
Family
ID=54674204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520459767.0U Expired - Fee Related CN204816561U (en) | 2015-06-30 | 2015-06-30 | Cloverleaf pattern catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204816561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944036A (en) * | 2017-03-24 | 2017-07-14 | 清华大学 | A kind of cloverleaf pattern strip low-temperature denitration of flue gas catalyst preparation process |
| CN107511156A (en) * | 2016-06-17 | 2017-12-26 | 中国石油天然气股份有限公司 | Catalyst for Hydrogenation of Coker Gasoline processing and preparation method thereof |
-
2015
- 2015-06-30 CN CN201520459767.0U patent/CN204816561U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511156A (en) * | 2016-06-17 | 2017-12-26 | 中国石油天然气股份有限公司 | Catalyst for Hydrogenation of Coker Gasoline processing and preparation method thereof |
| CN106944036A (en) * | 2017-03-24 | 2017-07-14 | 清华大学 | A kind of cloverleaf pattern strip low-temperature denitration of flue gas catalyst preparation process |
| CN106944036B (en) * | 2017-03-24 | 2020-06-02 | 清华大学 | Preparation process of clover-shaped strip-shaped low-temperature flue gas denitration catalyst |
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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 |
Granted publication date: 20151202 |