CN204320229U - Be provided with the mist projection granulating knockout tower of anti-back-mixing baffle plate - Google Patents
Be provided with the mist projection granulating knockout tower of anti-back-mixing baffle plate Download PDFInfo
- Publication number
- CN204320229U CN204320229U CN201420653205.5U CN201420653205U CN204320229U CN 204320229 U CN204320229 U CN 204320229U CN 201420653205 U CN201420653205 U CN 201420653205U CN 204320229 U CN204320229 U CN 204320229U
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- China
- Prior art keywords
- baffle plate
- mixing baffle
- mist projection
- projection granulating
- granulation tower
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Abstract
A kind of mist projection granulating knockout tower being provided with anti-back-mixing baffle plate, primarily of granulation tower direct tube section (1), mist projection granulating nozzle material-feeding system (2), granulation tower cone section (3), lower blow-down drum (4), lower discharge gate (5), upper discharge gate (6) and anti-back-mixing baffle plate (7) composition, and anti-back-mixing baffle plate (7) is for plate, open cell type, slit type or perforate are cracked combined, be arranged on the below of discharge gate on granulation tower (6), diameter is larger than the diameter of upper discharge gate (6), form gas flow-disturbing, the fine particle thing carried secretly is departed from, clean gas leaves granulation tower, while improving separative efficiency, the overall change in pressure drop of granulation tower is little.
Description
Art
The invention belongs to chemical separation engineering plant equipment, particularly relate to a kind of mist projection granulating knockout tower being provided with anti-back-mixing baffle plate, mist projection granulating and the separation process of heavy oil step separating technology medium pitch residue can be applied to, while realizing granulation, realize being efficiently separated solvent and particle, be conducive to carrying out smoothly and next step conveying of particle of technique.
Background technology
In the overcritical step extraction and separation technology of heavy oil, after depitching wet goods high-quality Component seperation, the residues such as remaining pitch and colloid need be carried out flash boiling spray granulation, so that follow-up process and application.In mist projection granulating tower, liquid flux (pentane) under HTHP and the mixture of pitch particle spray fast from nozzle, solvent flashing is vaporized, system temperature reduces, pitch and colloid atomization are for after fine drop, due to the volatilization of solvent and the reduction of system temperature, condense for solid particle.Meanwhile, granulation tower also will possess gas solid separation function, the solvent quick separating of the particle produced and vaporization, so that recycling design is reused, reduces production cost.Due to the top of granulation tower be separated after the discharge gate of clean air, due to the effect of eddy flow, air-flow is before rising to and leaving granulation tower near discharge gate, and the particle easily carrying small particle diameter secretly leaves granulation tower together, therefore, the separative efficiency of mist projection granulating tower receives certain impact.
The present invention proposes a kind of mist projection granulating knockout tower being provided with anti-back-mixing baffle plate, effectively can control clean gas and carry small size particle amount secretly, thus improves the separative efficiency of mist projection granulating tower.
Summary of the invention
In order to overcome the limited problem of existing spraying granulation system separative efficiency, the present invention proposes a kind of mist projection granulating knockout tower being provided with anti-back-mixing baffle plate, solving the technical scheme that this technical problem adopts is: granulation tower close on anti-back-mixing baffle plate is installed near discharge gate, effective obstruction small size particle is involved in clean gas and leaves granulation tower together, improves the separative efficiency of granulation tower.
The present invention includes a kind of mist projection granulating knockout tower being provided with anti-back-mixing baffle plate, primarily of granulation tower direct tube section (1), mist projection granulating nozzle material-feeding system (2), granulation tower cone section (3), lower blow-down drum (4), lower discharge gate (5), upper discharge gate (6) and anti-back-mixing baffle plate (7) composition, it is characterized in that: the below of discharge gate (6) on granulation tower, be provided with anti-back-mixing baffle plate (7).Anti-back-mixing baffle plate (7) is circular, and the axis coinciding of axle center and granulation tower direct tube section (1) is installed, and the diameter of anti-back-mixing baffle plate (7) is D, and the height at distance granulation tower direct tube section (1) top is h; The excursion of D is 1.1d ~ 3d, the excursion of h is 0.1H ~ 0.6H, wherein d is the diameter of upper discharge gate (6), and H is the distance at jet expansion and granulation tower direct tube section (1) top in mist projection granulating nozzle material-feeding system (2).Anti-back-mixing baffle plate (7) is cracked combined for plate, open cell type, slit type or perforate; Hole on the anti-back-mixing baffle plate of open cell type is annular array distribution; Seam on the anti-back-mixing baffle plate of slit type is annular array distribution.
Accompanying drawing explanation
Fig. 1 is the mist projection granulating knockout tower main body figure being provided with anti-back-mixing baffle plate of the present invention.
Fig. 2 is the schematic diagram of anti-back-mixing baffle plate of the present invention.
In Fig. 1,1. granulation tower direct tube section, 2. mist projection granulating nozzle material-feeding system, 3. granulation tower cone section, 4. descends blow-down drum, 5. descends discharge gate, 6. go up discharge gate, 7. anti-back-mixing baffle plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the course of work being provided with the mist projection granulating knockout tower of anti-back-mixing baffle plate of the present invention is described.
The mist projection granulating knockout tower use procedure being provided with anti-back-mixing baffle plate of the present invention, can be such as, the mixture of HTHP liquid phase solvent and asphaltic residue sprays into granulation tower through each nozzle of mist projection granulating nozzle material-feeding system (2), because pressure reduces, liquid phase solvent is at lower generation flash of steam, and pitch then becomes solid particle.While completing granulation process, by the arrangement of nozzle, downward rotary motion is formed in granulation tower direct tube section (1), under the influence of centrifugal force, vapor phase solvent is separated with solid particle, solid particle is split into wall place, and along wall slide downward in the shape of a spiral, enter granulation tower cone section (3), continue to rotate downward landing, the rotation function of particle exhausts gradually, enter lower blow-down drum (4), and carry out sedimentation separation further, so that de-solvent to the greatest extent, then through lower discharge gate (5) discharger, conveying and packaging is carried out.Vapor phase solvent then negative pressuren zone centrally upwards flows, and walks around anti-back-mixing baffle plate (7), through upper discharge gate (6) discharger on device top, recycles.
In fig. 1 and 2, anti-back-mixing baffle plate (7) is arranged on the lower end of discharge gate (6), and diameter is larger than the diameter of upper discharge gate (6), forms gas flow-disturbing, departed from by the fine particle thing carried secretly, clean gas leaves granulation tower.
The experimental result that the mist projection granulating knockout tower being provided with anti-back-mixing baffle plate of the present invention's proposition carries out is shown, as long as the structural parameters of the anti-back-mixing baffle plate (7) of optimal design and installation site, the flowing of rationalization's gas-particle two-phase fluid be separated, effectively can improve separative efficiency.And for the open cell type of anti-back-mixing baffle plate (7), slit type or combined design in the present invention, while raising separative efficiency, the pressure drop that the plate anti-back-mixing baffle plate of gas flow-disturbing produces can be reduced.
The mist projection granulating knockout tower being provided with anti-back-mixing baffle plate that the present invention proposes, may be used for all mist projection granulating places.
Claims (3)
1. one kind is provided with the mist projection granulating knockout tower of anti-back-mixing baffle plate, primarily of granulation tower direct tube section (1), mist projection granulating nozzle material-feeding system (2), granulation tower cone section (3), lower blow-down drum (4), lower discharge gate (5), upper discharge gate (6) and anti-back-mixing baffle plate (7) composition, it is characterized in that: the below of discharge gate (6) on granulation tower, be provided with anti-back-mixing baffle plate (7).
2. the mist projection granulating knockout tower being provided with anti-back-mixing baffle plate according to claim 1, it is characterized in that: anti-back-mixing baffle plate (7) is for circular, the axis coinciding of axle center and granulation tower direct tube section (1) is installed, the diameter of anti-back-mixing baffle plate (7) is D, and the height at distance granulation tower direct tube section (1) top is h; The excursion of D is 1.1d ~ 3d, the excursion of h is 0.1H ~ 0.6H, wherein d is the diameter of upper discharge gate (6), and H is the distance at jet expansion and granulation tower direct tube section (1) top in mist projection granulating nozzle material-feeding system (2).
3. the mist projection granulating knockout tower being provided with anti-back-mixing baffle plate according to claim 1, is characterized in that: anti-back-mixing baffle plate (7) is cracked combined for plate, open cell type, slit type or perforate; Hole on the anti-back-mixing baffle plate of open cell type is annular array distribution; Seam on the anti-back-mixing baffle plate of slit type is annular array distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653205.5U CN204320229U (en) | 2014-11-05 | 2014-11-05 | Be provided with the mist projection granulating knockout tower of anti-back-mixing baffle plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653205.5U CN204320229U (en) | 2014-11-05 | 2014-11-05 | Be provided with the mist projection granulating knockout tower of anti-back-mixing baffle plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204320229U true CN204320229U (en) | 2015-05-13 |
Family
ID=53156632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420653205.5U Expired - Fee Related CN204320229U (en) | 2014-11-05 | 2014-11-05 | Be provided with the mist projection granulating knockout tower of anti-back-mixing baffle plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204320229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368273A (en) * | 2014-11-05 | 2015-02-25 | 中国石油大学(北京) | Spray granulation and separation tower with anti-backmixing baffle |
-
2014
- 2014-11-05 CN CN201420653205.5U patent/CN204320229U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368273A (en) * | 2014-11-05 | 2015-02-25 | 中国石油大学(北京) | Spray granulation and separation tower with anti-backmixing baffle |
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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: 20150513 Termination date: 20191105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |