CN208591839U - Regenerator - Google Patents
Regenerator Download PDFInfo
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- CN208591839U CN208591839U CN201820788352.1U CN201820788352U CN208591839U CN 208591839 U CN208591839 U CN 208591839U CN 201820788352 U CN201820788352 U CN 201820788352U CN 208591839 U CN208591839 U CN 208591839U
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- distribution part
- fuel
- fuel distribution
- shell
- regenerator
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Abstract
The utility model discloses a kind of regenerators, belong to PETROLEUM PROCESSING field.The regenerator includes: shell, multiple fuel distribution part；It is provided with reclaimable catalyst import, regenerated catalyst outlet, air intlet, multiple fuel inlets on shell, reclaimable catalyst import, regenerated catalyst outlet are respectively used to outlet with reactor, inlet communication；Fuel is distributed part and is arranged in shell, and is connected to corresponding fuel inlet；Multiple nozzles are provided on fuel distribution part；Nozzle includes: major diameter section, the path section being sequentially connected to, and the internal diameter of major diameter section is greater than the internal diameter of path section；Major diameter section is connected to fuel distribution part.The utility model can effectively avoid phenomena such as detonation of regenerator part, overtemperature；Abrasion of the combustion gas to reclaimable catalyst can also be reduced.
Description
Technical field
The utility model relates to PETROLEUM PROCESSING field, in particular to a kind of regenerator.
Background technique
In petroleum refining process, fluidized catalytic process for transforming is widely used in fluid catalytic cracking, methanol-to-olefins, first
In the devices such as alcohol aromatic hydrocarbons, dehydrogenating propane use.Such device includes: reactor, regenerator, the import and export of reactor respectively with
Regenerator go out, inlet communication.Wherein, it is burnt in a regenerator from the coked catalyst of reactor (i.e. reclaimable catalyst)
When the calory burning released absorbed by regenerated catalyst (reclaimable catalyst after going coke removal), catalyst to be regenerated returns
The calory burning of absorption is supplied petroleum hydrocarbon when reactor, it is made to carry out catalytic conversion reaction.Due to partial fluidised catalytic cracking,
Heat required for dehydrogenating propane etc. reacts is big, and calory burning entrained by regenerated catalyst cannot be met the requirements.
It is directed to the above problem, usually fuel port is arranged in the bottom of regenerator in the prior art, to supplement into regenerator
Fuel, makes coke and air, fuel co-fire on reclaimable catalyst, and the calory burning released is inhaled by regenerated catalyst
It receives.
The existing technology has at least the following problems for designer's discovery:
Fuel gas can cause phenomena such as detonation of regenerator part, overtemperature, not only will affect the fluidisation of reclaimable catalyst bed
Stability, and the structure of reclaimable catalyst can be destroyed, and then increase the consumption of reclaimable catalyst.
Utility model content
The utility model embodiment provides a kind of regenerator, can solve the above problem.The technical solution is as follows:
A kind of regenerator, the regenerator include: shell, multiple fuel distribution part；
Reclaimable catalyst import, regenerated catalyst outlet, air intlet, multiple fuel inlets are provided on the shell,
The reclaimable catalyst import, the regenerated catalyst outlet are respectively used to outlet with reactor, inlet communication；
The fuel distribution part is arranged in the shell, and is connected to the corresponding fuel inlet；
Multiple nozzles are provided on the fuel distribution part；
Wherein, the nozzle includes: major diameter section, the path section being sequentially connected to, and the internal diameter of the major diameter section is greater than described small
The internal diameter of diameter section；
The major diameter section is connected to fuel distribution part.
In a kind of possible design, multiple fuel distribution parts are arranged along the axially spaced-apart of the shell.
In a kind of possible design, the fuel distribution part includes: symmetrically arranged first fuel distribution part, the second combustion
Material distribution part；
The first fuel distribution part, second fuel distribution part are connected to the corresponding fuel inlet respectively.
In a kind of possible design, the first fuel distribution part, second fuel distribution part are curved pipe；
And the two-port closing of the curved pipe.
In a kind of possible design, the first fuel distribution part, second fuel distribution part include: two-port
Closed supervisor and multiple branch pipes；
The supervisor is connected to the fuel inlet；
The branch pipe is connected to the supervisor, and multiple branch pipes are arranged along the axially spaced-apart of the supervisor；
The nozzle is arranged on the branch pipe.
In a kind of possible design, it is provided with fixed plate on the inner wall of the shell, for fixing the supervisor.
In a kind of possible design, the inner wall of the fixed plate and the shell is welded.
In a kind of possible design, the supervisor is arranged in the fixed plate by U-bolt.
In a kind of possible design, the fuel distribution part is distributed in the reclaimable catalyst import and urges with the regeneration
Between agent outlet.
In a kind of possible design, the nozzle is arranged on the bottom wall of the fuel distribution part, and outlet end is downward
Setting.
Technical solution bring beneficial effect provided by the embodiment of the utility model includes at least:
Regenerator provided by the embodiment of the utility model is distributed part by the way that fuel is arranged in shell, combustion gas can be improved and exist
The degree that is evenly distributed in regenerator, phenomena such as capable of effectively avoiding the detonation of regenerator part, overtemperature；In addition, by the way that nozzle is set
It is set to the major diameter section being sequentially communicated, path segment structure, and the internal diameter of major diameter section is greater than the internal diameter of path section, it not only can be with fuel point
Cloth member cooperation, further increases the degree that is evenly distributed of combustion gas, and can reduce the linear speed of combustion gas, so as to reduce combustion gas pair
The abrasion of reclaimable catalyst.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of regenerator provided by the embodiment of the utility model；
Fig. 2 is the scheme of installation of nozzle provided by the embodiment of the utility model and fuel distribution part；
Fig. 3 is the result schematic diagram of nozzle provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of fuel distribution part provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram that the first fuel provided by the embodiment of the utility model is distributed part, the second fuel distribution part.
Wherein, each label declaration in attached drawing is as follows:
1- shell；
101- reclaimable catalyst import；
102- regenerated catalyst outlet；
103- air intlet；
104- fuel inlet；
2- fuel is distributed part；
The first fuel of 201- is distributed part；
The second fuel of 202- is distributed part；
2a- supervisor；
2b- branch pipe；
3- nozzle；
301- major diameter section；
302- path section.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
The utility model embodiment provides a kind of regenerator, and as shown in Fig. 1, which includes: shell 1, multiple
Fuel is distributed part 2；Reclaimable catalyst import 101, regenerated catalyst outlet 102, air intlet 103, multiple is provided on shell 1
Fuel inlet 104, reclaimable catalyst import 101, regenerated catalyst outlet 102 are respectively used to outlet, import with reactor and connect
It is logical；Fuel is distributed part 2 and is arranged in shell 1, and is connected to corresponding fuel inlet 104；It is provided on fuel distribution part 2 multiple
Nozzle 3 (referring to attached drawing 2)；Wherein, nozzle 3 includes: the major diameter section 301 being sequentially connected to, path section 302, the internal diameter of major diameter section 301
Greater than the internal diameter of path section 302 (referring to attached drawing 4)；Major diameter section 301 is connected to fuel distribution part 2.
It should be noted that the structure of regenerator for ease of description, 1 is only provided on the fuel distribution part 2 in attached drawing 2
A nozzle 3.
Description is based on regard to the working principle of regenerator provided by the embodiment of the utility model below:
In application, first by the outlet of the reclaimable catalyst import 101 of regenerator and reactor, regenerated catalyst outlet
102 with the inlet communication of reactor.It is distributed delivery of fuel gas in part 2 to fuel by fuel inlet 104, combustion gas is uniform through nozzle 3
Ground flow into regenerator in, with from reactor reclaimable catalyst (i.e. the catalyst of coking) and air mix, fired
It burns, to remove the coke on reclaimable catalyst, so that it is generated regenerated catalyst, and the calory burning released is reproduced catalyst suction
It receives, when catalyst to be regenerated is back to reactor by the regenerated catalyst outlet 102 of regenerator, the calory burning of absorption is supplied
Petroleum hydrocarbon makes it carry out catalytic conversion reaction.
Since the internal diameter of the path section 302 of nozzle 3 is less than the internal diameter of bigger diameter end 301, can reducing the pressure of combustion gas, (pressure drop is
1KPa~30KPa), so that combustion gas is evenly distributed；In addition, the major diameter section 301 of nozzle 3 can reduce the linear speed (outlet of combustion gas of combustion gas
Linear speed is 1m/s~100m/s), so as to reduce abrasion of the combustion gas to reclaimable catalyst.
As it can be seen that regenerator provided by the embodiment of the utility model, is distributed part 2 by the way that fuel is arranged in shell 1, can be improved
Be evenly distributed degree of the combustion gas in regenerator, phenomena such as capable of effectively avoiding the detonation of regenerator part, overtemperature；In addition, pass through by
Nozzle 3 is arranged to the major diameter section 301 being sequentially communicated, 302 structure of path section, and the internal diameter of major diameter section 301 is greater than path section 302
Internal diameter not only can be distributed part 2 with fuel and cooperate, further increase the degree that is evenly distributed of combustion gas, and can reduce combustion gas
Linear speed, so as to reduce abrasion of the combustion gas to reclaimable catalyst.
In order to increase the processing volume to reclaimable catalyst, and the degree that is evenly distributed of raising combustion gas, the utility model
In embodiment, multiple fuel distribution parts 2 are arranged along the axially spaced-apart of shell 1.
Wherein, the number about fuel distribution part 2, settable 2~6, such as settable 2,3,4,5,6
It is a etc..The utility model embodiment does not carry out concrete restriction to the number of fuel distribution part 2, as long as not influencing reclaimable catalyst
Burning.
Under the premise of simple, easy to process based on structure, as shown in Fig. 4, in the utility model embodiment, fuel point
Cloth member 2 includes: symmetrically arranged first fuel distribution part 201, the second fuel distribution part 202；First fuel is distributed part 201, the
Two fuel are distributed part 202 and are connected to respectively with corresponding fuel inlet 104.
It is understood that the axis of the symmetry axis and shell 1 of the first fuel distribution part 201 and the second fuel distribution part 202
Line is vertical, and is provided at least one nozzle 3 on the first fuel distribution part 201 and the second fuel distribution part 202.
By being as above arranged, be evenly distributed degree of the combustion gas in regenerator also can be improved.
About the structure of the first fuel distribution part 201, the second fuel distribution part 202, the utility model embodiment provides two
Kind example:
(1) plants example
As shown in Fig. 4, the first fuel distribution part 201, the second fuel distribution part 202 are curved pipe；And curved pipe
Two-port closing.
The first fuel distribution part 201 of this kind of structure, the second fuel distribution 202 structure of part are simple, easy to process.
Wherein, the first fuel distribution part 201, the second fuel distribution part 202 can be arranged by fuel inlet 104 in shell 1
It is interior.Specifically, as shown in Fig. 4, the first fuel is distributed part 201, the second fuel is distributed part 202 and corresponding fuel inlet 104
Connection, and fuel inlet 104 stretches to the inside of shell 1, and the first fuel distribution part 201, the second fuel distribution part 202 is arranged
Gap is formed in shell 1, and between the inner wall of shell 1.
Also alternatively, fixed plate is arranged on the inner wall of shell 1, for fixing the first fuel distribution part 201, the second fuel point
Cloth member 202.
Specifically, the first fuel distribution part 201, the second fuel distribution part 202 can be wound by wire or metal strip
Mode be fixed on fixing piece；Alternatively, being vertically arranged grip block on fixing piece, the first fuel is distributed part 201, the second fuel point
Cloth member 202 is seated fixing bolt between corresponding two grip blocks, and in the upper lateral of corresponding two grip blocks, so that tightly
The top of fixing bolt and the first fuel distribution part 201, the second fuel distribution part 202 offsets；Again alternatively, being fixed by U-bolt
On fixing piece.
In addition, the first fuel distribution part 201, the second fuel distribution part 202 can be distributed and corresponding 104 flange of fuel inlet
Connection, convenient for the installation and removal of the first fuel distribution part 201, the second fuel distribution part 202.
(2) plant example
As shown in Fig. 5, the first fuel distribution part 201, the second fuel distribution part 202 include: the closed master of two-port
Pipe 2a and multiple branch pipe 2b；Supervisor 2a is connected to fuel inlet 104；Branch pipe 2b is connected to supervisor 2a, and the edge multiple branch pipe 2b
It is responsible for the axially spaced-apart setting of 2a；Nozzle 3 is arranged on branch pipe 2b.
By being as above arranged, the degree that is evenly distributed of combustion gas can be improved.
It should be noted that it is provided with nozzle 3 on above-mentioned each branch pipe 2b, and number is specifically arranged can be according to practical feelings
Condition is configured.In addition, two-port, the two-port of branch pipe 2b of supervisor 2a are all closed.
Wherein, for the ease of the fixation of the first fuel distribution part 201, the second fuel distribution part 202, on the inner wall of shell 1
It is provided with fixed plate, for fixed supervisor 2a.
Specifically, which can be high temperature resistant, corrosion resistant metal plate, which can weld the inner wall in shell 1
On.
In addition, the connection type about supervisor 2a and fixing piece, can be set to a variety of, for example, be responsible for leading to for 2a
The mode for crossing wire or metal strip winding is fixed on fixing piece；Alternatively, being vertically arranged two grip blocks on fixing piece, it is responsible for
2a is located between two grip blocks, and is seated fixing bolt in the upper lateral of two grip blocks, so that fastening bolt is with supervisor 2a's
Top offsets；Again alternatively, being fixed on fixing piece by U-bolt.
In order to improve the utilization rate of combustion gas, in the utility model embodiment, fuel distribution part 2 be distributed in reclaimable catalyst into
Between mouth 101 and regenerated catalyst outlet 102.By being as above arranged, reclaimable catalyst may make to come into full contact with combustion gas, in turn
The calory burning that the coke on reclaimable catalyst is discharged can be increased.
Further, in order to improve the utilization rate of combustion gas, in the utility model embodiment, the setting of nozzle 3 is distributed part 2 in fuel
Bottom wall on, and outlet end is down-set.
Wherein, the length about nozzle 3, the utility model embodiment is without concrete restriction, for example, the outlet of nozzle 3
End is coaxially disposed with shell 3.
All the above alternatives can form the alternative embodiment of the disclosure, herein no longer using any combination
It repeats one by one.
The foregoing is merely the illustrative embodiments of the utility model, the protection model that is not intended to limit the utility model
It encloses, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of utility model.
Claims (10)
1. a kind of regenerator, which is characterized in that the regenerator includes: shell (1), multiple fuel distribution part (2)；
Be provided on the shell (1) reclaimable catalyst import (101), regenerated catalyst outlet (102), air intlet (103),
Multiple fuel inlets (104), the reclaimable catalyst import (101), the regenerated catalyst outlet (102) be respectively used to instead
Answer outlet, the inlet communication of device；
Fuel distribution part (2) setting is connected in the shell (1), and with the corresponding fuel inlet (104)；
Multiple nozzles (3) are provided on fuel distribution part (2)；
Wherein, the nozzle (3) includes: the major diameter section (301) being sequentially connected to, path section (302), the major diameter section (301)
Internal diameter is greater than the internal diameter of the path section (302)；
The major diameter section (301) is connected to fuel distribution part (2).
2. regenerator according to claim 1, which is characterized in that multiple fuel distributions part (2) are along the shell (1)
Axially spaced-apart setting.
3. regenerator according to claim 2, which is characterized in that fuel distribution part (2) includes: symmetrically arranged the
One fuel is distributed part (201), the second fuel distribution part (202)；
First fuel distribution part (201), second fuel distribution part (202) respectively with the corresponding fuel inlet
(104) it is connected to.
4. regenerator according to claim 3, which is characterized in that the first fuel distribution part (201), second combustion
Material distribution part (202) is curved pipe；
And the two-port closing of the curved pipe.
5. regenerator according to claim 3, which is characterized in that the first fuel distribution part (201), second combustion
Material distribution part (202) includes: the closed supervisor (2a) of two-port and multiple branch pipes (2b)；
The supervisor (2a) is connected to the fuel inlet (104)；
The branch pipe (2b) is connected to the supervisor (2a), and multiple branch pipes (2b) are along the axially spaced-apart of the supervisor (2a)
Setting；
The nozzle (3) is arranged on the branch pipe (2b).
6. regenerator according to claim 5, which is characterized in that be provided with fixed plate on the inner wall of the shell (1), use
In the fixation supervisor (2a).
7. regenerator according to claim 6, which is characterized in that the inner wall of the fixed plate and the shell (1) welds.
8. regenerator according to claim 6, which is characterized in that the supervisor (2a) is arranged by U-bolt described
In fixed plate.
9. regenerator according to claim 1, which is characterized in that fuel distribution part (2) is distributed in described to be generated urge
Between agent import (101) and the regenerated catalyst outlet (102).
10. described in any item regenerators according to claim 1~9, which is characterized in that the nozzle (3) is arranged in the combustion
On the bottom wall of material distribution part (2), and outlet end is down-set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820788352.1U CN208591839U (en) | 2018-05-24 | 2018-05-24 | Regenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820788352.1U CN208591839U (en) | 2018-05-24 | 2018-05-24 | Regenerator |
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| Publication Number | Publication Date |
|---|---|
| CN208591839U true CN208591839U (en) | 2019-03-12 |
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ID=65598874
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820788352.1U Active CN208591839U (en) | 2018-05-24 | 2018-05-24 | Regenerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523439A (en) * | 2018-05-24 | 2019-12-03 | 中国石油天然气集团有限公司 | Regenerator |
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2018
- 2018-05-24 CN CN201820788352.1U patent/CN208591839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523439A (en) * | 2018-05-24 | 2019-12-03 | 中国石油天然气集团有限公司 | Regenerator |
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