CN206562406U - A kind of novel composite efficient steam stripping machine - Google Patents
A kind of novel composite efficient steam stripping machine Download PDFInfo
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- CN206562406U CN206562406U CN201621421347.4U CN201621421347U CN206562406U CN 206562406 U CN206562406 U CN 206562406U CN 201621421347 U CN201621421347 U CN 201621421347U CN 206562406 U CN206562406 U CN 206562406U
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- baffle plate
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- cylindrical section
- stripped vapor
- steam
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Abstract
The utility model belongs to catalytic cracking technology field, proposes a kind of novel composite efficient steam stripping machine.A kind of cylinder of the novel composite efficient steam stripping machine proposed has cylindrical section（4）, top expanding prick section（7）Section is bored with bottom undergauge（9）；Cylindrical section（4）It is interior multiple by baffle plate I with being provided with（2）With baffle plate II（3）The baffle combination of composition；Cylindrical section（4）Be provided centrally with the stripped vapor gas collecting main pipe isometric with cylindrical section（10）；Stripped vapor gas collecting main pipe（10）Upper end and main steam range（8）Connection, lower end is fixed on fixing support rack（1）On；Baffle plate I（2）With baffle plate II（3）It is nested with stripped vapor gas collecting main pipe（10）On；Composite highly effective stripper is additionally provided with stripped vapor endless tube（11）；Described stripped vapor endless tube（11）At least one.The utility model improves effective vapour efficiency and saves quantity of steam, also with overhaul it is easy for installation the characteristics of.
Description
Technical field
The utility model belongs to catalytic cracking technology field, relates generally to a kind of novel composite efficient steam stripping machine.
Background technology
Catalytic unit in process of production, reacts the coke produced and passed through and Oil-gas Separation by the catalyst that coke pollutes
Afterwards, collected in stripping section, these do not arrhea dynamic coke and still carry many oil gas by the catalyst that coke pollutes, needed
Want stripper that further Oil-gas Separation is gone out, require control less than 0.1% the phosphorus content of catalyst in the country at present.Point
It is to influence the activity and selectivity of catalyst from effect first, second changes the yield of product, and coke yield is to whole catalysis
For the thermal balance of cracking unit, influence very big.Catalytic processes seek to constantly be reduced to completely again coke yield at present
Under conditions of life, the level for maintaining thermal balance to say needs is only capable of, i.e., under complete regeneration condition during thermally equilibrated minimum calorie value
Coke yield.Can intuitively, one of research direction of modern catalytic cracking unit is exactly by developing new High efficiency stripping
Coke contains dose rate in device reduction reclaimable catalyst.
Catalytic cracking unit settler stripping section is its critical component for putting forward of the oil gas that carries reclaimable catalyst, right
Improve product yield and reduce regenerator carbon-burning load and have a significant impact, if more importantly effectively oil gas can not be stripped
Out, this part oil gas will be converted into coke in regenerator burning process, and various researchs and creation data show, this part is burnt
Charcoal is one of main source of catalytic coke, therefore major design research and development institutions all pass through continuous design optimization settler both at home and abroad
The structure of stripping section is to improve the Srteam Stripping effect of settler stripping section.I by with Luoyang Dechang petrochemical industry, Shandong Heng Yuan petrochemical industry
After relevant speciality personage exchange and actual rebuilding construction, the structure to catalytic cracking unit stripping section is researched and developed, and is carried
Go out a kind of maintenance convenience, new and effective stripper structure rational in infrastructure, it is specific as follows：
At present, domestic and international settler stripping segment structure mainly has following several representatives.
1st, the settler stripping section of early stage
The settler stripping section of early stage is annular and conical baffled sub-assembly, because feedstock oil was relatively good at that time, simultaneously
Requirement to catalyst coking is not very high, Catalytic processes temperature and rises that temperature is not high again, and baffle design is fairly simple, the number of plies one
As be no more than two layers, annular and conical baffled percent opening and aperture requires not high, and the steam stripping efficiency of stripping section is generally 50-
60%。
2nd, universal settler stripping section
Later as raw material oil nature is more and more thicker, the component of easy coking is more and more in oil gas, will to catalyst regeneration
More and more higher is sought, improvement is constantly optimized to settler stripping section, improves main from the progress of following several respects：1. use four sections
Or more multistage gas baffle, enter steam from middle part, two sections of lower part respectively, steam above is mainly first between catalyst
Oil gas molecule be stripped off, following steam is mainly stripped off the oil gas molecule of catalyst granules endoporus；2. baffle plate
Upper percent opening is improved, and particularly conical baffled hole count and the number of turns are all improved, baffle plate lower edge design group's plate, makes gas wrong with catalyst
Stream contact, improves gas efficiency, and current gas efficiency commonly reaches 85%；3. lengthen stripping segment length, extension catalyst and steam
Time of contact.Its basic structure with it is similar above.
3rd, latest model settler stripping section
In order to further reduce coke yield, Srteam Stripping effect is improved, it is as follows that each side has done many scheme primary structures：
1）Macropore settler stripping section
The aperture of baffle plate, is designed as wear-resisting macropore or short tube by the principle of Primary Reference destilling tower float valve tray（Diameter
80-100mm）So that partial catalyst carries out gas exchanges from big aerial whereabouts with stripped vapor, so may be such that gas is imitated
Rate brings up to 90%, but there are problems that plug-hole when running into bulk catalyst.
2）Grid stripping section
Abroad, UOP uses the principle of filler stripper newly developed and a kind of general baffle plate adds the stripping section of grid, baffle plate
Based on aperture baffle plate, structure is similar to conventional baffles, and the main distinction is one layer of special shape of increase between middle epimere baffle plate
Grid, so as to increase the attaching space of catalyst and steam, lower catalyst vapor oil content, according to data introduction, gas efficiency
Reach 92%.
Domestic individual businesses also develop a variety of grid strippers, wherein a kind of herringbone baffle plate shape developed comprising us
The Multilayer grid stripper of shape, the stripper is that the units such as flower carry out good use in Heng Yuan, and this patent is exactly in perseverance
A kind of maintenance convenience of exploitation, new and effective stripping rational in infrastructure are further thought deeply during the petrochemical industry stripper rebuilding construction of source
Device.
Such as Fig. 5, the catalytic unit of the country substantially 92% uses the stripper of this old-fashioned structure, from each dress at present
The condition of production put sees that it is not very high that the stripping section of such scheme design, which largely has steam stripping efficiency, and stripper structure is answered
It is miscellaneous, exist that the nozzle on stripper baffle plate is blocked, stripped vapor endless tube is because stress twists inclination more
With touch sharp-tongued bad the problem of.Key is that maintenance is extremely difficult, even if many appearance of enterprise parts are problematic, it is contemplated that maintenance is difficult
The phenomenon of many time length also abnormal maintenance, is all negative effect to catalyst regeneration, coking yield, catalyst activity;
In addition, the stripper of prior art has a many stripped vapor house stewards, many stripped vapors always in equipment design and
Installing needs through every group of stripper baffle plate, it is necessary to which design meets the looping pit that main steam range is passed through in baffle plate appropriate location
Hole, the on the one hand influence integrally-built design of stripper, and cause steam in lower floor's baffle plate from main steam range and annular hole
Between annular space run vapour, simultaneously because stripped vapor house steward will need through every group of stripper baffle plate when changing baffle plate every time
Main steam range is cut away, causes the big difficulty of construction task many.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to propose a kind of novel composite efficient steam stripping machine.
The utility model completes its invention task and adopted the technical scheme that：
A kind of novel composite efficient steam stripping machine, the cylinder of the composite highly effective stripper has cylindrical section, top expanding prick
Section and bottom undergauge cone section；Described top expanding prick section and bottom undergauge cone section is located at the two ends of cylindrical section；Described cylinder
Have in section and be provided with baffle combination；Described baffle combination is setting up and down multiple；Described baffle combination includes gear
Plate I and baffle plate II；Described baffle plate I is located at the bottom of baffle plate II；Cylindrical section described in cylinder is provided centrally with cylindrical section etc.
Long stripped vapor gas collecting main pipe；The upper end of the stripped vapor gas collecting main pipe couples with main steam range, and lower end is fixed on fixation
On support frame；Described baffle plate I and baffle plate II is nested with described stripped vapor gas collecting main pipe；Described baffle plate I is welded
On the inwall of the cylindrical section；Described baffle plate II is welded on described stripped vapor gas collecting main pipe；Described compound height
Effect stripper is additionally provided with stripped vapor endless tube；Described stripped vapor endless tube is at least one；Described stripped vapor endless tube
It is upper that there is multiple nozzles III to reasonable distribution quantity of steam；Described stripped vapor endless tube is arranged on cylindrical section described in cylinder
Bottom or between two neighboring described baffle combination.
Described baffle plate I is hollow-core construction, with cylindrical section and the frustum of a cone in flaring footpath section；Described frustum of a cone section is located at
The top of cylindrical section, its maximum gauge is identical with the internal diameter of cylindrical section described in cylinder；Have described in baffle plate I on the wall of frustum of a cone section
There is nozzle I.
Described baffle plate II is hollow-core construction, with cylindrical section and the frustum of a cone in tapered footpath section；Described frustum of a cone section
In the top of cylindrical section, its minimum diameter is identical with the external diameter of stripped vapor gas collecting main pipe, the diameter of maximum gauge and cylindrical section
It is identical, and less than the internal diameter of cylindrical section described in cylinder；There is nozzle II on the wall of frustum of a cone section described in baffle plate II.
Described nozzle I is the hollow cylindrical structure that upper end has protective cover；It is provided with the wall of the nozzle I many
The steam hole of individual circle distribution.
The structure of the nozzle II is identical with the structure of nozzle I.
The utility model proposes a kind of novel composite efficient steam stripping machine, in the centrally disposed of composite highly effective stripper cylinder
Stripped vapor gas collecting main pipe, it is to avoid perforated in addition on baffle plate I, baffle plate II, improves effective vapour efficiency and saves steam
Amount, also with overhaul it is easy for installation the characteristics of；By the improvement to nozzle, spray nozzle clogging can be prevented, stripper is improved
Using effect；Reduce catalyst granules endoporus CH compounds contents, reduce the carbon-burning load that reclaimable catalyst regenerates link, indirectly
The activity of regenerated catalyst is improved, promotes the reaction of raw material.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of nozzle I in the utility model.
Fig. 3 is the structural representation of baffle plate I in the utility model.
Fig. 4 is the structural representation of baffle plate II in the utility model.
Fig. 5 is the total schematic diagram of universal stripper.
In figure：1st, fixing support rack, 2, ring baffle, 3, conical baffled, 4, cylindrical section, 7, top expanding prick section, 8, steam
Vapour house steward, 9, bottom undergauge cone section, 10, stripped vapor gas collecting main pipe, 11, stripped vapor endless tube, 12, the nozzle on ring baffle
Nozzle I, 13, nozzle II, 14, fixed mount, 15, steam hole, 16, protective cover.
Embodiment
The utility model is further illustrated with embodiment with reference to accompanying drawing：
As shown in figure 1, a kind of novel composite efficient steam stripping machine, the cylinder of the composite highly effective stripper have cylindrical section 4,
Top expanding prick section 7 and bottom undergauge cone section 9；Described top expanding prick section 7 and bottom undergauge cone section 9 is located at cylindrical section 4
Two ends；Have in described cylindrical section 4 and be provided with baffle combination；Described baffle combination is setting up and down multiple；Described
Baffle combination includes baffle plate I 2 and baffle plate II 3；Described baffle plate I 2 is located at the bottom of baffle plate II 3；Cylindrical section 4 described in cylinder
It is provided centrally with the stripped vapor gas collecting main pipe 10 isometric with cylindrical section；The upper end of the stripped vapor gas collecting main pipe 10 passes through method
Orchid couples with main steam range 8, and lower end is fixed by bolts on fixing support rack 1；Described baffle plate I 2 and baffle plate II 3 is nested with
On described stripped vapor gas collecting main pipe 10；Described baffle plate I 2 is welded on the inwall of the cylindrical section 4；Described baffle plate II
3 are welded on described stripped vapor gas collecting main pipe 10；Described composite highly effective stripper is additionally provided with stripped vapor endless tube 11；
Described stripped vapor endless tube 11 is at least one；Have on described stripped vapor endless tube 11 multiple to reasonable distribution steam
The nozzle III of amount；The quantity of nozzle III is according to technology Calculation, so as to reasonable distribution quantity of steam, steam saving；Described stripping steams
Vapour endless tube 11 is arranged on the bottom of cylindrical section described in cylinder or between two neighboring described baffle combination；The embodiment
In, described stripped vapor endless tube 11 is two, and one of them is located at the bottom of cylindrical section described in cylinder, and another is located at adjacent
Between baffle combination described in two.
Stripped vapor endless tube 11 is welded on stripped vapor collection by the short metal pipe being connected with stripped vapor gas collecting main pipe 10
On gas supervisor 10.
As shown in figure 3, described baffle plate I 2 is hollow-core construction, with cylindrical section and the frustum of a cone in flaring footpath section；Described
Frustum of a cone section is located at the top of cylindrical section, and its maximum gauge is identical with the internal diameter of cylindrical section described in cylinder；Circular cone described in baffle plate I 2
There is nozzle I 12 on the wall of platform section.
As shown in figure 4, described baffle plate II 3 is hollow-core construction, with cylindrical section and the frustum of a cone in tapered footpath section；Described
Frustum of a cone section is located at the top of cylindrical section, and its minimum diameter is identical with the external diameter of stripped vapor gas collecting main pipe, maximum gauge and circle
The diameter of shell of column is identical, and less than the internal diameter of cylindrical section described in cylinder；There is nozzle on the wall of frustum of a cone section described in baffle plate II 3
Ⅱ13。
As shown in Fig. 2 described nozzle I 12 is the hollow cylindrical structure that upper end has protective cover 16；The nozzle I 12
Wall on be provided with the steam holes 15 of multiple circle distributions.
The structure of the nozzle II is identical with the structure of nozzle I.
Described stripped vapor endless tube 11, baffle plate II 3 are welded into an entirety with stripped vapor gas collecting main pipe 10 and set greatly
It is standby, vapour problem is run in the absence of steam, and also when the temperature is changed, this equipment assembly integrally expands with heat and contract with cold on centerline,
The displacement of generation and stress are absorbed by " several " the font jet chimney on top, can prevent device damage；Stripped vapor is in vapour
Carry and collecting in steam gas collecting main pipe 10, then sprayed by the nozzle I 12 on multigroup stripped vapor endless tube 11 and endless tube, nozzle II 13
Go out, into stripper diverse location, quantity of steam is that, by accounting, distribution of steam also compares homogenizing, can be with steam saving；It is described
It is provided with the baffle combination that multilayer is made up of baffle plate I 2 and baffle plate II 3 in stripper cylinder, wherein baffle plate II 3 is when mounted point
Piece welding is in the installation site of stripped vapor gas collecting main pipe 10, and the baffle plate II 3 for being used for a long time and damaging can also compare
Easily cut down from the installation site burst of stripped vapor gas collecting main pipe 10, be easier maintenance；The baffle plate II 3,
Nozzle I 12, nozzle II 13 are set on the inclined-plane of baffle plate I 2, because design changes, it is not easy to nozzle occur and block, if nozzle is stifled
Extremely, staff can be freed in and out by the space for maintenance between baffle plate II 3, baffle plate I 2, process accident nozzle, including steam
Nozzle on endless tube；Phase mutual 400mm straight line spacing between baffle plate II 3, baffle plate I 2, can facilitate personnel to enter maintenance.
In normal work, reacted reclaimable catalyst enters in stripper, the combination baffle that catalyst passes through the superiors
Flow downward, steam is entered in stripped vapor gas collecting main pipe 10 by main steam range 8, then passes through stripped vapor endless tube 11 and ring
In nozzle spirt stripper on pipe, stripped vapor passes through the nozzle I 12 on combination baffle and baffle plate II 3, the inclined-plane of baffle plate I 2, spray
Mouth II 13, heat and mass is carried out with catalyst, is disperseed catalyst, is distributed to fluidizing state in the inclined plane of baffle group, can
The attachment between stripping catalyst aggregation, is stripped off the oil gas molecule between catalyst, finally to the greatest extent may be used to large extent
The oil gas molecule of catalyst granules endoporus will be stripped off in energy ground.
Claims (5)
1. a kind of novel composite efficient steam stripping machine, the cylinder of the composite highly effective stripper has cylindrical section（4）, top expanding prick
Section（7）Section is bored with bottom undergauge（9）；Described top expanding prick section（7）Section is bored with bottom undergauge（9）Positioned at cylindrical section（4）'s
Two ends；Described cylindrical section（4）It is interior have be provided with baffle combination；Described baffle combination is setting up and down multiple；It is described
Baffle combination include baffle plate I（2）With baffle plate II（3）；Described baffle plate I（2）Positioned at baffle plate II（3）Bottom；Its feature
It is：Cylindrical section described in cylinder（4）Be provided centrally with the stripped vapor gas collecting main pipe isometric with cylindrical section（10）；The stripping
Steam gas collecting main pipe（10）Upper end and main steam range（8）Connection, lower end is fixed on fixing support rack（1）On；Described baffle plate I
（2）With baffle plate II（3）It is nested with described stripped vapor gas collecting main pipe（10）On；Described baffle plate I（2）It is welded on the circle
Cylinder section（4）Inwall on；Described baffle plate II（3）It is welded on described stripped vapor gas collecting main pipe（10）On；Described is compound
High efficiency stripper is additionally provided with stripped vapor endless tube（11）；Described stripped vapor endless tube（11）At least one；Described vapour
Carry steam loop（11）It is upper that there is multiple nozzles III to reasonable distribution quantity of steam；Described stripped vapor ring（11）Pipe is set
In the bottom of cylindrical section described in cylinder or between two neighboring described baffle combination.
2. a kind of novel composite efficient steam stripping machine as claimed in claim 1, it is characterised in that：Described baffle plate I（2）To be hollow
Structure, with cylindrical section and the frustum of a cone in flaring footpath section；Described frustum of a cone section is located at the top of cylindrical section, its maximum gauge with
The internal diameter of cylindrical section described in cylinder is identical；Baffle plate I（2）There is nozzle I on the wall of the frustum of a cone section（12）.
3. a kind of novel composite efficient steam stripping machine as claimed in claim 2, it is characterised in that：Described nozzle I（12）To be upper
End has protective cover（16）Hollow cylindrical structure；The nozzle I（12）Wall on be provided with the steamings of multiple circle distributions
Steam vent（15）.
4. a kind of novel composite efficient steam stripping machine as claimed in claim 1, it is characterised in that：Described baffle plate II（3）For sky
Core structure, with cylindrical section and the frustum of a cone in tapered footpath section；Described frustum of a cone section is located at the top of cylindrical section, its minimum diameter
Identical with the external diameter of stripped vapor gas collecting main pipe, maximum gauge is identical with the diameter of cylindrical section, and less than cylindrical section described in cylinder
Internal diameter；Baffle plate II（3）There is nozzle II on the wall of the frustum of a cone section（13）.
5. a kind of novel composite efficient steam stripping machine as claimed in claim 4, it is characterised in that：The structure of the nozzle II and spray
The structure of mouth I is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621421347.4U CN206562406U (en) | 2016-12-23 | 2016-12-23 | A kind of novel composite efficient steam stripping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621421347.4U CN206562406U (en) | 2016-12-23 | 2016-12-23 | A kind of novel composite efficient steam stripping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206562406U true CN206562406U (en) | 2017-10-17 |
Family
ID=60028575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621421347.4U Expired - Fee Related CN206562406U (en) | 2016-12-23 | 2016-12-23 | A kind of novel composite efficient steam stripping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206562406U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126644A (en) * | 2018-01-19 | 2018-06-08 | 德山化工（浙江）有限公司 | Chlorosilane liquid produced neutralisation treatment device and processing method |
| CN111334323B (en) * | 2020-03-18 | 2021-08-06 | 深圳前海新域能源科技有限公司 | Elution tower and elution method of elution tower on full-range coal tar |
-
2016
- 2016-12-23 CN CN201621421347.4U patent/CN206562406U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126644A (en) * | 2018-01-19 | 2018-06-08 | 德山化工（浙江）有限公司 | Chlorosilane liquid produced neutralisation treatment device and processing method |
| CN108126644B (en) * | 2018-01-19 | 2023-08-29 | 德山化工（浙江）有限公司 | Chlorosilane liquid neutralization treatment device and treatment method |
| CN111334323B (en) * | 2020-03-18 | 2021-08-06 | 深圳前海新域能源科技有限公司 | Elution tower and elution method of elution tower on full-range coal tar |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20181223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |