CN209412104U - A kind of alkylation reaction product isooctane purification system - Google Patents
A kind of alkylation reaction product isooctane purification system Download PDFInfo
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- CN209412104U CN209412104U CN201821969271.8U CN201821969271U CN209412104U CN 209412104 U CN209412104 U CN 209412104U CN 201821969271 U CN201821969271 U CN 201821969271U CN 209412104 U CN209412104 U CN 209412104U
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- tower
- normal butane
- isooctane
- deisobutanizer
- butane
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Abstract
The utility model discloses a kind of alkylation reaction product isooctane purification systems, including reactor, deisobutanizer and de- normal butane tower；It is connected to through heat exchanger and heater by pipeline between reactor and deisobutanizer；Deisobutanizer tower top is connected to return tank of top of the tower by pipeline through air cooler；Deisobutanizer tower bottom is connected to de- normal butane tower by pipeline；De- normal butane column overhead is connected to normal butane return tank of top of the tower by pipeline through condenser；De- normal butane tower tower bottom is connected to after heat exchanger, with mixing isooctane product pump and isooctane cooler by pipeline, and isooctane carrying device will be mixed.The alkylation reaction product isooctane purification system of the utility model, the carbon four (iso-butane and normal butane) generated in sulfuric acid process alkylation production process can be effectively removed, the purity for improving isooctane meets the requirement of product quality, and purification efficiency is high.
Description
Technical field
The utility model relates to be alkylated production field, and in particular to a kind of alkylation reaction product isooctane purification system
System.
Background technique
Production technology is alkylated using sulfuric acid process, 98% sulfuric acid is used as catalyst, in production process, due to reaction turn
The problems such as rate, side reaction, reaction product are the mixtures such as carbon four, light dydrocarbon, carbon six, carbon seven, carbon eight.
The purity for how improving isooctane meets the requirement of product quality, becomes the critical issue of alkylation production.
It based on the above situation, can be effective the utility model proposes a kind of alkylation reaction product isooctane purification system
Solve problem above.
Utility model content
The purpose of this utility model is to provide a kind of alkylation reaction product isooctane purification systems.The utility model
Alkylation reaction product isooctane purification system can effectively remove the four (isobutyl of carbon generated in sulfuric acid process alkylation production process
Alkane and normal butane), the purity of isooctane is improved, meets the requirement of product quality, and purification efficiency is high；Raw material availability
Height, almost non-pollutant discharge, environmentally protective；Rationally, structure is simple for design, and convenient for operation, operating cost is low.
The utility model is achieved through the following technical solutions:
A kind of alkylation reaction product isooctane purification system, including reactor, deisobutanizer and de- normal butane tower；Institute
It states and is connected to through heat exchanger and heater by pipeline between reactor and deisobutanizer；The deisobutanizer tower top is through air-cooled
Device is connected to return tank of top of the tower by pipeline；The return tank of top of the tower has 3 outflow directions, the first outflow direction first go back to
Stream pump returns to deisobutanizer tower top, and the second outflow direction Returning reactor, third, which flows out direction, sends out extra iso-butane
Device；The deisobutanizer tower bottom is connected to the de- normal butane tower by pipeline；The de- normal butane column overhead is through condensing
Device is connected to normal butane return tank of top of the tower by pipeline；The normal butane return tank of top of the tower has 2 outflow directions, the first outflow
The second reflux pump of direction returns to de- normal butane column overhead, second outflow direction carrying device after normal butane reactor product cooler；
The de- normal butane tower tower bottom is connected to after heat exchanger, with mixing isooctane product pump and isooctane cooler by pipeline, will
Mix isooctane carrying device.
The alkylation reaction product isooctane purification system of the utility model can effectively remove sulfuric acid process alkylation and produce
The carbon four (iso-butane and normal butane) generated in journey improves the purity of isooctane, meets the requirement of product quality, Er Qieti
It is pure high-efficient；Raw material availability is high, and almost non-pollutant discharge, environmentally protective；Rationally, structure is simple for design, convenient for operation, fortune
Row is at low cost.
Outflow direction described in the utility model passes through outflow pipeline and necessary facility realizes outflow.
Preferably, the deisobutanizer inside sets 60 layers of column plate for separating iso-butane.
Preferably, the de- normal butane tower inside sets 40 layers of column plate for separating normal butane and alkylate oil.
Preferably, the first reboiler of lower part side of the deisobutanizer.
Preferably, the lower part side of the de- normal butane tower is provided with the second reboiler.
The utility model compared with prior art, have the following advantages that and the utility model has the advantages that
The alkylation reaction product isooctane purification system of the utility model can effectively remove sulfuric acid process alkylation and produce
The carbon four (iso-butane and normal butane) generated in journey improves the purity of isooctane, meets the requirement of product quality, Er Qieti
It is pure high-efficient；Raw material availability is high, and almost non-pollutant discharge, environmentally protective；Rationally, structure is simple for design, convenient for operation, fortune
Row is at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, below with reference to specific implementation
The preferred embodiment of the utility model is described in example, but it is to be understood that these descriptions are only to further illustrate this
The feature and advantage of utility model rather than to the utility model patent require limitation.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Embodiment 1:
As shown in Figure 1, a kind of alkylation reaction product isooctane purification system, including reactor 1,4 and of deisobutanizer
De- normal butane tower 8；It is connected to through heat exchanger 2 and heater 3 by pipeline between the reactor 1 and deisobutanizer 4；It is described de-
4 tower top of iso-butane tower is connected to return tank of top of the tower 6 by pipeline through air cooler 5；The return tank of top of the tower 6 has 3 outflow sides
To first outflow the first reflux pump of direction 7 returns to 4 tower top of deisobutanizer, the second outflow direction Returning reactor 1, third
Direction is flowed out by extra iso-butane carrying device；4 tower bottom of deisobutanizer and the de- normal butane tower 8 are connected by pipeline
It is logical；De- 8 tower top of normal butane tower is connected to normal butane return tank of top of the tower 10 by pipeline through condenser 9；The normal butane tower
Pushing up return tank 10 has 2 outflow directions, and first outflow the second reflux pump of direction 11, which returns, takes off 8 tower top of normal butane tower, and second
Flow out direction carrying device after normal butane reactor product cooler 12；De- 8 tower bottom of normal butane tower and mixes after heat exchanger 2
Isooctane product pump 13 is connected to isooctane cooler 14 by pipeline, and isooctane carrying device will be mixed.
Embodiment 2:
As shown in Figure 1, a kind of alkylation reaction product isooctane purification system, including reactor 1,4 and of deisobutanizer
De- normal butane tower 8；It is connected to through heat exchanger 2 and heater 3 by pipeline between the reactor 1 and deisobutanizer 4；It is described de-
4 tower top of iso-butane tower is connected to return tank of top of the tower 6 by pipeline through air cooler 5；The return tank of top of the tower 6 has 3 outflow sides
To first outflow the first reflux pump of direction 7 returns to 4 tower top of deisobutanizer, the second outflow direction Returning reactor 1, third
Direction is flowed out by extra iso-butane carrying device；4 tower bottom of deisobutanizer and the de- normal butane tower 8 are connected by pipeline
It is logical；De- 8 tower top of normal butane tower is connected to normal butane return tank of top of the tower 10 by pipeline through condenser 9；The normal butane tower
Pushing up return tank 10 has 2 outflow directions, and first outflow the second reflux pump of direction 11, which returns, takes off 8 tower top of normal butane tower, and second
Flow out direction carrying device after normal butane reactor product cooler 12；De- 8 tower bottom of normal butane tower and mixes after heat exchanger 2
Isooctane product pump 13 is connected to isooctane cooler 14 by pipeline, and isooctane carrying device will be mixed.
Further, in another embodiment, the deisobutanizer 4 inside sets 60 layers of tower for separating iso-butane
Plate.
Further, in another embodiment, the heat source of the first reboiler 16 of the deisobutanizer 4 is 0.8Mpa
Steam.
Further, in another embodiment, the de- normal butane tower 8 is used to separate normal butane and alkylate oil,
Inside set 40 layers of column plate.
Further, in another embodiment, the first reboiler of lower part side 16 of the deisobutanizer 4.
Further, in another embodiment, the lower part side of the de- normal butane tower 8 is provided with the second reboiler
15。
The working principle of the utility model is as follows:
The effluent come out at the top of reactor 1, exchanges heat through heat exchanger 2, then enters de- iso-butane after heated device 3
Tower 4；
Deisobutanizer 4 inside sets 60 layers of column plate, tower top pressure is controlled in 0.63Mpa for separating iso-butane.
4 overhead of deisobutanizer is set after the air cooler 5 of the deisobutanizer tower top is condensed,
It forms condensate liquid and enters return tank of top of the tower 6；
Condensate liquid is extracted out through the first reflux pump 7, and a part returns to 4 tower top of deisobutanizer as reflux, and another part is
Recycle isobutane Returning reactor 1, to guarantee iso-butane and olefin ratios appropriate, extra isobutyl in 1 combined feed of reactor
Alkane carrying device.
The heat source of first reboiler 16 of the deisobutanizer 4 is 0.8Mpa steam.
The hydro carbons extracted out from 4 tower bottom of deisobutanizer enters de- normal butane tower 8 from force feed；De- normal butane tower 8 is used for positive fourth
Alkane is separated with alkylate oil, inside sets 40 layers of column plate, and tower top pressure is controlled in 0.52Mpa.
De- 8 overhead of normal butane tower is set after the condenser 9 of the de- normal butane column overhead condenses, condensation
Liquid enters normal butane return tank of top of the tower 10；
Condensate liquid is extracted out with the second reflux pump 11, and a part is to de- 8 overhead reflux of normal butane tower, and another part is through normal butane
Carrying device after reactor product cooler 12 is cooled to 40 DEG C.
The mixing isooctane of de- 8 tower bottom of normal butane tower is extracted out with mixing isooctane product pump 13, after the heat exchange of heat exchanger 2,
The carrying device after mixing isooctane cooler 14 is cooled to 40 DEG C.
The heat source of second reboiler 15 of the de- normal butane tower 8 is 1.3Mpa steam.
Description and attached drawing, those skilled in the art according to the utility model are easily manufactured or using the utility model
Alkylation reaction product isooctane purification system, and following good effect can be generated:
The alkylation reaction product isooctane purification system of the utility model can effectively remove sulfuric acid process alkylation and produce
The carbon four (iso-butane and normal butane) generated in journey improves the purity of isooctane, meets the requirement of product quality, Er Qieti
It is pure high-efficient；Raw material availability is high, and almost non-pollutant discharge, environmentally protective；Rationally, structure is simple for design, convenient for operation, fortune
Row is at low cost.
Unless otherwise specified, in the utility model, if having term " length ", " width ", "upper", "lower", "front", "rear",
"left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ",
The orientation or positional relationship of instructions such as " circumferential directions " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Utility model and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore the term of orientation or positional relationship is described only for illustration in the utility model, no
It can be understood as a limitation of this patent, it for the ordinary skill in the art, can be in conjunction with attached drawing, and according to specific feelings
Condition understands the concrete meaning of above-mentioned term.
Unless otherwise clearly defined and limited, in the utility model, if there is term " setting ", " connected " and " connection " to answer
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be direct phase
Even, the connection inside two elements can also be can be indirectly connected through an intermediary.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the protection scope of the utility model.
Claims (5)
1. a kind of alkylation reaction product isooctane purification system, it is characterised in that: including reactor (1), deisobutanizer (4)
With de- normal butane tower (8)；Pass through pipe through heat exchanger (2) and heater (3) between the reactor (1) and deisobutanizer (4)
Road connection；Deisobutanizer (4) tower top is connected to return tank of top of the tower (6) by pipeline through air cooler (5)；The tower top returns
Flow tank (6) have 3 outflow directions, first outflow the first reflux pump of direction (7) return deisobutanizer (4) tower top, second
It flows out direction Returning reactor (1), third flows out direction for extra iso-butane carrying device；Deisobutanizer (4) tower
Bottom is connected to the de- normal butane tower (8) by pipeline；De- normal butane tower (8) tower top is through condenser (9) and normal butane tower
Return tank (10) are pushed up to be connected to by pipeline；The normal butane return tank of top of the tower (10) has 2 outflow directions, the first outflow direction
De- normal butane tower (8) tower top is returned to through the second reflux pump (11), the second outflow direction is sent after normal butane reactor product cooler (12)
Device out；De- normal butane tower (8) tower bottom is cooling with isooctane product pump (13) and isooctane is mixed after heat exchanger (2)
Device (14) is connected to by pipeline, will mix isooctane carrying device.
2. alkylation reaction product isooctane purification system according to claim 1, it is characterised in that: the de- iso-butane
Tower (4) inside sets 60 layers of column plate for separating iso-butane.
3. alkylation reaction product isooctane purification system according to claim 1, it is characterised in that: the de- normal butane
Tower (8) inside sets 40 layers of column plate for separating normal butane and alkylate oil.
4. alkylation reaction product isooctane purification system according to claim 1, it is characterised in that: the de- iso-butane
The first reboiler of lower part side (16) of tower (4).
5. alkylation reaction product isooctane purification system according to claim 1, it is characterised in that: the de- normal butane
The lower part side of tower (8) is provided with the second reboiler (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821969271.8U CN209412104U (en) | 2018-11-27 | 2018-11-27 | A kind of alkylation reaction product isooctane purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821969271.8U CN209412104U (en) | 2018-11-27 | 2018-11-27 | A kind of alkylation reaction product isooctane purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209412104U true CN209412104U (en) | 2019-09-20 |
Family
ID=67935517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821969271.8U Active CN209412104U (en) | 2018-11-27 | 2018-11-27 | A kind of alkylation reaction product isooctane purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209412104U (en) |
-
2018
- 2018-11-27 CN CN201821969271.8U patent/CN209412104U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210727 Address after: 314000 floor 2, building 3, No. 988, Yashan West Road, gangang District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang maidui Technology Co.,Ltd. Address before: No. 988, Yashan West Road, Zhapu Town, Pinghu City, Jiaxing City, Zhejiang Province 314000 Patentee before: ZHEJIANG SEG ENERGY Co.,Ltd. |