CN208018619U - Isomerization unit catalyst regeneration system - Google Patents
Isomerization unit catalyst regeneration system Download PDFInfo
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- CN208018619U CN208018619U CN201721908403.1U CN201721908403U CN208018619U CN 208018619 U CN208018619 U CN 208018619U CN 201721908403 U CN201721908403 U CN 201721908403U CN 208018619 U CN208018619 U CN 208018619U
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- isomerization
- regeneration
- pipeline
- heat exchanger
- outlet
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Abstract
The utility model discloses isomerization unit catalyst regeneration systems, including regenerating air compressor, gas heat exchanger is desorbed, stock Product heat exchanger, isomerization heating furnace and isomerization reactor, the outlet of the regeneration air compressor is connected by pipeline with the entrance that gas heat exchanger is desorbed, the outlet of the desorption gas heat exchanger is connected by pipeline with the bottom inlet of stock Product heat exchanger, the top exit of the stock Product heat exchanger is connected by pipeline with the side entrance of isomerization heating furnace, the side outlet of the isomerization heating furnace is connected by pipeline with the top entry of isomerization reactor, and heating coke burning regeneration operation is carried out to the gas of regeneration gas compressor outlet by isomerization heating furnace and isomerization reactor；The utility model has the beneficial effects that：Entrance of the outlet of regeneration gas water distributing can directly with regeneration air compressor is attached, and is greatly reduced the cost of equipment, is improved the economic benefit in production process.
Description
Technical field
The utility model is related to chemical producing system technical fields, and in particular to isomerization unit catalyst regeneration system.
Background technology
Catalyst is essential in chemical process, with the progress of reaction, the coking amount meeting on catalyst
It is stepped up, reactivity worth cannot gradually meet product requirement, it is therefore desirable to which coke burning regeneration is carried out to catalyst；Current existing skill
The structure of catalyst regeneration system is complex in art, and the reaction time is more normal, and normal reaction production process is about 30 days；
It influences normal chemical process to a certain extent in this way, while reducing production efficiency.
Utility model content
In order to solve the problems in the existing technology, the utility model provides short different reasonable for structure, reaction time
Catalyst regeneration system is set in structure makeup.
The technical solution of the utility model is as follows：
Isomerization unit catalyst regeneration system, which is characterized in that including regeneration air compressor, desorption gas heat exchanger, original
Expect that product exchanger, isomerization heating furnace and isomerization reactor, the outlet of the regeneration air compressor pass through pipeline and desorption
The entrance of gas heat exchanger is connected, and the outlet of the desorption gas heat exchanger passes through the bottom inlet phase of pipeline and stock Product heat exchanger
Even, the top exit of the stock Product heat exchanger is connected by pipeline with the side entrance of isomerization heating furnace, the isomerization
The side outlet of heating furnace is connected by pipeline with the top entry of isomerization reactor, and passes through isomerization heating furnace and isomerization
Reactor carries out heating coke burning regeneration operation to the gas of regeneration gas compressor outlet；The outlet at bottom of the isomerization heating furnace
It is connected with the side entrance of stock Product heat exchanger by pipeline, the side outlet of the stock Product heat exchanger is set by piping connection
Product water cooler is set, regeneration gas geomantic omen tank, the regeneration gas geomantic omen is arranged by piping connection in the outlet of the product water cooler
The outlet of tank is connected by pipeline with the entrance for regenerating air compressor, to constitute regenerative circuit.
The isomerization unit catalyst regeneration system, which is characterized in that the outlet of regeneration gas geomantic omen tank with again
Pipeline between the entrance of angry compressor is circumscribed with nitrogen pipeline, and nitrogen is passed through regeneration air compressor by nitrogen pipeline
Entrance.
The isomerization unit catalyst regeneration system, which is characterized in that the outlet of regeneration gas geomantic omen tank with again
It is circumscribed with air pipe line on pipeline between the entrance of angry compressor, and air is passed through by regeneration gas compression by air pipe line
The entrance of machine.
The isomerization unit catalyst regeneration system, which is characterized in that positioned at it in the tank of the regeneration gas geomantic omen
The upper end of side entrance is equipped with coalescer filter element.
The utility model has the beneficial effects that：
1）Entrance of the outlet of regeneration gas water distributing can directly with regeneration air compressor is attached, and in regeneration gas water distributing can
Interior setting coalescer filter element so that the water content in the flue gas of regeneration gas suction port of compressor is reduced to 0.2-1 ﹪ from 3-5 ﹪, really
Guarantor's regenerative process is unaffected, while reducing the use of regeneration gas dryer, greatly reduces the cost of equipment, improves life
Economic benefit during production.
2）The system structure is simple, and reaction rate is very fast so that the regeneration period that coke burning regeneration is carried out to catalyst contracts
Short half.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
In figure：1- regenerates air compressor, and gas heat exchanger, 3- regeneration gas water distributing cans, 4- product water coolers, 5- raw materials is desorbed in 2-
Product exchanger, 6- isomerization heating furnaces, 7- isomerization reactors, 8- nitrogen pipelines, 9- air pipe lines.
Specific implementation mode
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, isomerization unit catalyst regeneration system, including regeneration air compressor 1, desorption gas heat exchanger 2, again
Angry water distributing can 3, product water cooler 4, stock Product heat exchanger 5, isomerization heating furnace 6 and isomerization reactor 7, nitrogen pipeline
8 and air pipe line 9.The outlet of regeneration air compressor 1 is connected by pipeline with the entrance that gas heat exchanger 2 is desorbed, desorption gas heat exchange
The outlet of device 2 is connected by pipeline with the bottom inlet of stock Product heat exchanger 5, and the top exit of stock Product heat exchanger 5 is logical
It crosses pipeline with the side entrance of isomerization heating furnace 6 to be connected, the side outlet of isomerization heating furnace 6 passes through pipeline and isomerization reactor
7 top entry is connected, and the gas that regeneration air compressor 1 is exported by isomerization heating furnace 6 and isomerization reactor 7 into
Row heating coke burning regeneration operation；The side entrance phase that the outlet at bottom of isomerization heating furnace 7 passes through pipeline and stock Product heat exchanger 5
Even, product water cooler 4 is arranged by piping connection in the side outlet of the stock Product heat exchanger 5, and the product water cooler 4 goes out
Regeneration gas geomantic omen tank 3 is arranged by piping connection in mouth, and the outlet of regeneration gas geomantic omen tank 3 passes through pipeline and regeneration air compressor
1 entrance is connected, to constitute regenerative circuit.
Pipeline between the outlet and the entrance of regeneration air compressor 1 of regeneration gas geomantic omen tank 3 is circumscribed with nitrogen pipeline 8, and
Nitrogen is passed through to the entrance of regeneration air compressor 1 by nitrogen pipeline 8.
It is circumscribed with air pipe line 9 on pipeline between the outlet and the entrance of regeneration air compressor 1 of regeneration gas geomantic omen tank 3,
And air is passed through to the entrance of regeneration air compressor 1 by air pipe line 9.
In regeneration gas geomantic omen tank 3 coalescer filter element is equipped in the upper end positioned at its side entrance.
The course of work：
Before burning beginning, first start regeneration air compressor 1, is drawn from the inlet of regeneration air compressor 1 by nitrogen pipeline 8
Enter nitrogen, the nitrogen of supercharging exchanges heat by stock Product heat exchanger 5, then heated through isomerization heating furnace 6, anti-into isomerization
Device 7 is answered to carry out hot nitrogen purge operations, after the cooling of product cooler, into regeneration 3 tank of qi leel water, tank bottom interval oil extraction, with gradually
Take the oil gas in isomerization reactor 7 out of.When the oil gas in reactor reaches safety requirements, and 7 entrance of isomerization reactor
When temperature reaches the temperature for burning needs, air is introduced by air pipe line 9 from the entrance of regeneration air compressor 1, starts to burn
Operation, it is desirable that control loop gas initial oxygen concentration is not higher than 0.5V%, and the Wen Sheng of isomerization reactor 7 is not higher than 50 DEG C.According to different
7 situation of burning of structure reactor steps up the inlet temperature of oxygen content and isomerization reactor 7 in circulating air, works as isomerization
7 inlet temperature of reactor reaches 500 DEG C, and the oxygen content in regeneration recycle gas reaches the concentration of oxygen in air, and isomerization reaction
There is no Wen Shenghou in device 7, burns end.System is purged with nitrogen at this time and is replaced, after the oxygen content qualification in system, can be carried out
Normal production.
Claims (4)
1. isomerization unit catalyst regeneration system, which is characterized in that including regenerating air compressor（1）, desorption gas heat exchanger
（2）, stock Product heat exchanger（5）, isomerization heating furnace（6）And isomerization reactor（7）, the regeneration air compressor（1）'s
Outlet passes through pipeline and desorption gas heat exchanger（2）Entrance be connected, the desorption gas heat exchanger（2）Outlet pass through pipeline with it is former
Expect product exchanger（5）Bottom inlet be connected, the stock Product heat exchanger（5）Top exit pass through pipeline and isomerization
Heating furnace（6）Side entrance be connected, the isomerization heating furnace（6）Side outlet pass through pipeline and isomerization reactor（7）'s
Top entry is connected, and passes through isomerization heating furnace（6）And isomerization reactor（7）To regenerating air compressor（1）The gas of outlet
Body carries out heating coke burning regeneration operation；The isomerization heating furnace（6）Outlet at bottom pass through pipeline and stock Product heat exchanger
（5）Side entrance be connected, the stock Product heat exchanger（5）Side outlet pass through piping connection be arranged product water cooler（4）, institute
State product water cooler（4）Outlet pass through piping connection regeneration gas geomantic omen tank be set（3）, regeneration gas geomantic omen tank（3）Go out
Mouth passes through pipeline and regeneration air compressor（1）Entrance be connected, to constitute regenerative circuit.
2. isomerization unit catalyst regeneration system according to claim 1, which is characterized in that regeneration gas geomantic omen tank
（3）Outlet with regeneration air compressor（1）Entrance between pipeline be circumscribed with nitrogen pipeline（8）, and pass through nitrogen pipeline（8）
Nitrogen is passed through regeneration air compressor（1）Entrance.
3. isomerization unit catalyst regeneration system according to claim 1, which is characterized in that regeneration gas geomantic omen tank
（3）Outlet with regeneration air compressor（1）Entrance between pipeline on be circumscribed with air pipe line（9）, and pass through air pipe line
（9）Air is passed through regeneration air compressor（1）Entrance.
4. isomerization unit catalyst regeneration system according to claim 1, which is characterized in that regeneration gas geomantic omen tank
（3）The upper end that inherence is located at its side entrance is equipped with coalescer filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721908403.1U CN208018619U (en) | 2017-12-29 | 2017-12-29 | Isomerization unit catalyst regeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721908403.1U CN208018619U (en) | 2017-12-29 | 2017-12-29 | Isomerization unit catalyst regeneration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208018619U true CN208018619U (en) | 2018-10-30 |
Family
ID=63901172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721908403.1U Active CN208018619U (en) | 2017-12-29 | 2017-12-29 | Isomerization unit catalyst regeneration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208018619U (en) |
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2017
- 2017-12-29 CN CN201721908403.1U patent/CN208018619U/en active Active
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