CN207929216U - A kind of n-butene isomerization process reaction system of optimization - Google Patents
A kind of n-butene isomerization process reaction system of optimization Download PDFInfo
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- CN207929216U CN207929216U CN201721674099.9U CN201721674099U CN207929216U CN 207929216 U CN207929216 U CN 207929216U CN 201721674099 U CN201721674099 U CN 201721674099U CN 207929216 U CN207929216 U CN 207929216U
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- heat exchanger
- pipeline
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- reaction system
- cooler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model provides a kind of n-butene isomerization process reaction system of optimization, including feedstock device, material heat exchanger, reaction heating furnace, isomerization reactor, cooler, reaction product discharger, the feedstock device is connected by pipeline with the material inlet end of the material heat exchanger, the material outlet end of the material heat exchanger is connected by pipeline with the reaction heating furnace, the reaction heating furnace is connected by pipeline with the isomerization reactor, the isomerization reactor is connected by pipeline with the reaction-ure inlet end of the material heat exchanger, the reactant exit end of the material heat exchanger is connected by pipeline with the cooler.The n-butene isomerization process reaction system of optimization described in the utility model substitutes former shell-and-tube heat exchanger using wrap-round tubular heat exchanger, greatly improves heat transfer efficiency, reduces heat exchanger requirement and heat exchange area, and floor space, equipment investment reduce.
Description
Technical field
The utility model belongs to chemical industry processing equipment field, anti-more particularly, to a kind of n-butene isomerization process of optimization
Answer system.
Background technology
The material heat exchanger of existing n-butene isomerization process system is using common shell-and-tube heat exchanger realization raw material and instead
The heat exchange for answering product, to meet technique heat transfer requirements, is generally changed using 4 since common shell-and-tube heat exchanger heat exchange efficiency is low
Hot device serial operation, there are heat exchangers to take up a large area, and pipeline layout is complicated, and investment is big, high energy consumption, and big wait of hot side pressure drop lacks
Point.And the connection of heat exchanger and pipeline uses flanged joint, there are problems that High-temperature Liquefaction gas material is easily revealed.
Invention content
In view of this, the utility model is directed to a kind of n-butene isomerization process reaction system of optimization, to solve
Equipment investment mentioned above in the background art is big, high energy consumption, take up a large area, High-temperature Liquefaction gas material is easily revealed, hot side pressure
Big problem drops.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of n-butene isomerization process reaction system of optimization, including feedstock device, material heat exchanger, reaction plus
Hot stove, isomerization reactor, cooler, reaction product discharger, the feedstock device by pipeline with it is described
The material inlet end of material heat exchanger is connected, and the material outlet end of the material heat exchanger is added by pipeline with described reacting
Hot stove is connected, and the reaction heating furnace is connected by pipeline with the isomerization reactor, the isomerization reactor
It is connected with the reaction-ure inlet end of the material heat exchanger by pipeline, the reactant exit end of the material heat exchanger is logical
It crosses pipeline with the cooler to be connected, the cooler is connected by pipeline with the reaction product discharger.
Further, the reaction system further includes reaction product discharge line, feedstock pipeline, the raw material into
One end of pipe material is connected with the feedstock device, the material inlet end phase of the other end and the material heat exchanger
Even, one end of the reaction product discharge line is connected with the cooler, and the other end is discharged with the reaction product
Device is connected.
Further, the reaction product discharge line, be both provided with insulating layer on the outside of feedstock pipeline.
Further, the material heat exchanger is wrap-round tubular heat exchanger.
Further, it is welded to connect between the material heat exchanger and pipeline.
The reaction product discharger is produced using conventional discharger；The feedstock device is adopted
It is produced with conventional feeding equipment.
Compared with the existing technology, the n-butene isomerization process reaction system of optimization described in the utility model has following
Advantage：
(1) the n-butene isomerization process reaction system of optimization described in the utility model is replaced using wrap-round tubular heat exchanger
Generation former shell-and-tube heat exchanger, greatly improves heat transfer efficiency, reduces heat exchanger requirement and heat exchange area, floor space is set
Standby investment reduces；The recycling of simultaneous reactions product heat is more abundant than original, and further the required heating furnace thermic load of heating declines raw material,
Reaction product further cools down required product water cooler thermic load and declines, and total energy consumption reduces.
(2) connection of material product exchanger and pipeline described in the utility model greatly reduces height using welding manner
The risk of warm Liquified gas leakage, the safety is improved.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the schematic diagram of the n-butene isomerization process reaction system of the optimization described in the utility model embodiment.
Reference sign：
1- feedstock devices；2- material heat exchangers；3- reaction heating furnaces；4- isomerization reactors；5- coolers；6-
Reaction product discharge line；7- feedstock pipelines；8- reaction product dischargers.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of n-butene isomerization process reaction system of optimization, including feedstock device 1, material change
Hot device 2, reaction heating furnace 3, isomerization reactor 4, cooler 5, reaction product discharger 8, the feedstock device 1
It is connected with the material inlet end of the material heat exchanger 2 by pipeline, the material outlet end of the material heat exchanger 2 passes through
Pipeline is connected with the reaction heating furnace 3, and the reaction heating furnace 3 passes through pipeline and 4 phase of isomerization reactor
Even, the isomerization reactor is connected by pipeline with the reaction-ure inlet end of the material heat exchanger 2, the material
The reactant exit end of heat exchanger 2 is connected by pipeline with the cooler 5, the cooler 5 by pipeline with it is described
Reaction product discharger 8 be connected.
The reaction system further includes reaction product discharge line 6, feedstock pipeline 7, the material feeding tube
The one end in road 7 is connected with the feedstock device 1, and the other end is connected with the material inlet end of the material heat exchanger 2,
One end of the reaction product discharge line 6 is connected with the cooler 5, and the other end is filled with the reaction product discharge
8 are set to be connected.The outside of the reaction product discharge line 6, feedstock pipeline 7 is both provided with insulating layer.
The material heat exchanger 2 is wrap-round tubular heat exchanger.Reaction heating furnace 3 uses vertical cylindrical heater, isomerization anti-
Answer device 4 that fixed bed reactors, cooler 5 is used to use shell-and-tube heat exchanger.
It is welded to connect between the material heat exchanger 2 and pipeline.
It is different to be heated to 280-420 DEG C of entrance after the heat exchange of material heat exchanger 2 further across reaction heating furnace 3 for raw material
Structure reactor 4, reaction product enter water cooler 5 after material heat exchanger 2 and raw material heat exchange, are cooled with circulating water to 40 DEG C
Enter subsequent separation system afterwards.
By taking 360,000 tons/year of n-butene isomerization units as an example, process operation parameter is as shown in table 1, and raw material enters material and changes
Hot device 2 exchanges heat with reaction product, continues to be heated to reaction temperature into reaction heating furnace 3 after rising to certain temperature, reflexive
Answer and enter isomerizing reactor 4 at the top of device, reaction product is flowed out from 4 bottom of isomerizing reactor, into material heat exchanger 2 and raw material into
Row heat exchange, reaction product travels further into cooler 5 and cools to 40 DEG C after heat exchange, into later separation part.
1 process operation parameter of table
| Material number | Temperature (DEG C) | Pressure (MPaG) | Remarks |
| Raw material | 40 | 0.25 | |
| Heating furnace entrance | 400 | 0.2 | |
| Furnace outlet | 420 | 0.1 | |
| Reactor outlet | 430 | 0.08 | |
| Cooler entrance | 80 | 0.05 | |
| Cooler outlet | 40 | 0.04 |
Compared with existing n-butene isomerization process reaction system, 2 quantity of material heat exchanger can be reduced to 1 by 4, if
Standby weight reduces 13.592t, and heat exchange area reduces 402m2, 17 m of floor space reduction2, 200,000 yuan of investment reduction, saving 2.3t
Recirculated water/t raw materials saves 1.8Nm3Natural gas/t raw materials, hot side pressure drop reduce 50kPa, and heat exchanger High-temperature Liquefaction gas reveals wind
Danger reduces, referring specifically to table 2.
2 process optimization of table compares
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of n-butene isomerization process reaction system of optimization, it is characterised in that：Including feedstock device, material-heat-exchanging
Device, reaction heating furnace, isomerization reactor, cooler, reaction product discharger, the feedstock device pass through pipeline
Be connected with the material inlet end of the material heat exchanger, the material outlet end of the material heat exchanger by pipeline with it is described
Reaction heating furnace be connected, the reaction heating furnace is connected by pipeline with the isomerization reactor, the isomery
Change reactor by pipeline to be connected with the reaction-ure inlet end of the material heat exchanger, the reactant of the material heat exchanger
Outlet end is connected by pipeline with the cooler, and the cooler passes through pipeline and the reaction product discharger
It is connected.
2. the n-butene isomerization process reaction system of optimization according to claim 1, it is characterised in that：The reaction
System further includes reaction product discharge line, feedstock pipeline, one end of the feedstock pipeline and the raw material
Feeding equipment is connected, and the other end is connected with the material inlet end of the material heat exchanger, the reaction product discharge line
One end be connected with the cooler, the other end is connected with the reaction product discharger.
3. the n-butene isomerization process reaction system of optimization according to claim 2, it is characterised in that：The reaction
It is both provided with insulating layer on the outside of product discharge line, feedstock pipeline.
4. the n-butene isomerization process reaction system of optimization according to claim 1, it is characterised in that：The material
Heat exchanger is wrap-round tubular heat exchanger.
5. the n-butene isomerization process reaction system of optimization according to claim 1, it is characterised in that：The material
It is welded to connect between heat exchanger and pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674099.9U CN207929216U (en) | 2017-12-05 | 2017-12-05 | A kind of n-butene isomerization process reaction system of optimization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674099.9U CN207929216U (en) | 2017-12-05 | 2017-12-05 | A kind of n-butene isomerization process reaction system of optimization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207929216U true CN207929216U (en) | 2018-10-02 |
Family
ID=63644757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721674099.9U Active CN207929216U (en) | 2017-12-05 | 2017-12-05 | A kind of n-butene isomerization process reaction system of optimization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207929216U (en) |
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2017
- 2017-12-05 CN CN201721674099.9U patent/CN207929216U/en active Active
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