CN204293899U - Ethylene trimerization prepares hexene-1 reaction product flash tank - Google Patents
Ethylene trimerization prepares hexene-1 reaction product flash tank Download PDFInfo
- Publication number
- CN204293899U CN204293899U CN201420080381.4U CN201420080381U CN204293899U CN 204293899 U CN204293899 U CN 204293899U CN 201420080381 U CN201420080381 U CN 201420080381U CN 204293899 U CN204293899 U CN 204293899U
- Authority
- CN
- China
- Prior art keywords
- tank body
- hexene
- reaction product
- prepares
- ethylene trimerization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000005977 Ethylene Substances 0.000 title claims abstract description 23
- 238000005829 trimerization reaction Methods 0.000 title claims abstract description 23
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000007795 chemical reaction product Substances 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- 239000007791 liquid phase Substances 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 238000009834 vaporization Methods 0.000 abstract description 4
- 230000008016 vaporization Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 5
- 239000011344 liquid material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000000069 prophylactic effect Effects 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a kind of ethylene trimerization and prepares hexene-1 reaction product flash tank, comprise tank body, the sidewall of described tank body is provided with opening for feed, tank wall between the bottom of described opening for feed and described tank body is provided with heating unit, the bottom of described tank body is provided with polymer exit, top in described tank body is provided with traverse baffle, and described heating unit is heating agent chuck, and the liquid phase discharge port of flash tank is arranged on the sidewall of described tank body.The utility model effectively can solve the problem that reaction product that ethylene trimerization prepares hexene-1 has polymkeric substance to separate out in flash vaporization process, even if the situation having polymkeric substance to separate out occurs, also can prevent polymer plugging subsequent production pipeline and system.
Description
Technical field
The utility model relates to a kind of flash tank, particularly relates to a kind of flash tank being applied to ethylene trimerization and preparing the reaction product of hexene-1.
Background technology
Prepare in the production process of hexene-1 at ethylene trimerization, reaction product decompression enters ethene flash tank and flashes off unreacted ethene, through compressor boost cycle recycling, flash tank bottom liquid phases material enters follow-up system and is separated the product obtaining ethylene trimerization and prepare hexene-1.
Ethylene trimerization reaction product enters in the process of ethene flash tank, ethene flash tank decompression cooling, be easy in flash tank that polymkeric substance occurs separate out (polymkeric substance starts to separate out at about 90 DEG C usually), polymkeric substance is once precipitation is difficult to be dissolved into liquid phase again, polymkeric substance will enter the pipeline of follow-up system with liquid material, very easily cause the blocking of down-stream system pipeline, affect the production that ethylene trimerization prepares hexene-1.
Utility model content
For overcoming the above-mentioned defect of prior art, the purpose of this utility model is to provide a kind of ethylene trimerization to prepare hexene-1 reaction product flash tank, can solve polymkeric substance and separate out problem, even if there is precipitation situation, also can prevent polymer plugging follow-up system pipeline.
The technical solution adopted in the utility model is: a kind of ethylene trimerization prepares hexene-1 reaction product flash tank, comprise tank body, the sidewall of described tank body is provided with opening for feed, tank wall between the bottom of described opening for feed and described tank body is provided with heating unit, the bottom of described tank body is provided with polymer exit, and the top in described tank body is provided with traverse baffle.
Described heating unit can be heating agent chuck.
Described heating unit can be outer disk pipe.
Described heating unit can be outer disk semicanal.
Preferably, liquid phase discharge port is arranged on the sidewall of described tank body.
Usually, described liquid phase discharge port is positioned at the below of described opening for feed.
The quantity of described traverse baffle can be some layers.
The described traverse baffle of some layers is preferably crisscross arranged up and down.
The beneficial effects of the utility model: arranging of described heating unit can prevent in the initial stage of going into operation and production process, the temperature in flash tank is lower than the Precipitation Temperature of polymkeric substance, thus the precipitation of effective prophylactic response product polymkeric substance in flash vaporization process.
Density due to polymkeric substance is greater than normal material, is usually gathered in the bottom of flash tank, is arranged on by discharge port on the sidewall of described tank body, together can flow out by preventing polymer in advance, reduce the probability of polymer plugging subsequent production pipeline and system with liquid material.
Tank base is provided with polymer exit, and the convenient polymkeric substance periodic exhaustion to being gathered in tank body is removed.
Flash distillation gas phase main component is ethene, utilizes through compressor boost cycle, traverse baffle the amount of liquid that effectively can reduce flashed vapour phase materials and carry is set, ensure the smooth running of compressor.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present utility model;
Fig. 2 is the structural representation of another kind of embodiment of the present utility model;
Fig. 3 is the structural representation of the third embodiment of the present utility model.
Embodiment
See Fig. 1, Fig. 2 and Fig. 3, the utility model provides a kind of ethylene trimerization and prepares hexene-1 reaction product flash tank, the production of hexene-1 is prepared for ethylene trimerization, comprise tank body 1, the sidewall of described tank body is provided with opening for feed 2, tank wall between the bottom of described opening for feed and described tank body is provided with heating unit, and described heating unit is provided with thermal medium inlet and thermal medium outlet.
Described heating unit can be heating agent chuck 3, outer coil pipe 4 or outer disk semicanal 5, and thermal medium can adopt hot water, steam or heat conduction wet goods, by heating and the insulation of thermal medium, usually makes the temperature in described tank body remain on 90-120 DEG C.
Because ethylene trimerization is prepared containing a small amount of polymkeric substance in hexene-1 reaction product, these polymkeric substance start to separate out usually about 90 DEG C time, are difficult to be dissolved into liquid phase again once separate out.The arranging of described heating unit can to prevent in tank body described in the initial stage of going into operation and production process temperature lower than the Precipitation Temperature of polymkeric substance, thus the precipitation of effective prophylactic response product polymkeric substance in flash vaporization process.
Preferably, liquid phase discharge port 6 is arranged on the sidewall of described tank body, together can flow out (density of polymkeric substance is greater than normal material, is usually gathered in the bottom of flash tank) in described tank body with liquid material by preventing polymer in advance, reduce the probability of polymer plugging subsequent production pipeline and system.Usually, described liquid phase discharge port is positioned at the below of described opening for feed, and gas phase discharge port 7 is positioned at the top of described tank body.
The bottom of described tank body can be provided with polymer exit 8, convenient to being gathered in the polymkeric substance periodic exhaustion removing (being mainly bottom) in described tank body.
Top in described tank body can be provided with traverse baffle 9, the cross section of the described tank body of preferred covering, effectively can reduce amount of liquid that flashed vapour phase materials carries (when flashed vapour phase materials is by traverse baffle region, its drop carried can on traverse baffle lime set be back in tank body), usually, the quantity of described traverse baffle is some layers, and the described traverse baffle of some layers is preferably crisscross arranged up and down, more effectively to play lime set effect.
The utility model effectively can solve the problem that reaction product that ethylene trimerization prepares hexene-1 has polymkeric substance to separate out in flash vaporization process, even if the situation having polymkeric substance to separate out occurs, also can prevent polymer plugging subsequent production pipeline and system.
Claims (8)
1. an ethylene trimerization prepares hexene-1 reaction product flash tank, comprise tank body, the sidewall of described tank body is provided with opening for feed, tank wall between the bottom that it is characterized in that described opening for feed and described tank body is provided with heating unit, the bottom of described tank body is provided with polymer exit, and the top in described tank body is provided with traverse baffle.
2. ethylene trimerization according to claim 1 prepares hexene-1 reaction product flash tank, it is characterized in that described heating unit is heating agent chuck.
3. ethylene trimerization according to claim 1 prepares hexene-1 reaction product flash tank, it is characterized in that described heating unit is outer coil pipe.
4. ethylene trimerization according to claim 1 prepares hexene-1 reaction product flash tank, it is characterized in that described heating unit is outer disk semicanal.
5. the ethylene trimerization according to claim 1,2,3 or 4 prepares hexene-1 reaction product flash tank, it is characterized in that liquid phase discharge port is arranged on the sidewall of described tank body.
6. ethylene trimerization according to claim 5 prepares hexene-1 reaction product flash tank, it is characterized in that described liquid phase discharge port is positioned at the below of described opening for feed.
7. ethylene trimerization according to claim 6 prepares hexene-1 reaction product flash tank, it is characterized in that the quantity of described traverse baffle is some layers.
8. ethylene trimerization according to claim 7 prepares hexene-1 reaction product flash tank, it is characterized in that the described traverse baffle of some layers is crisscross arranged up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080381.4U CN204293899U (en) | 2014-02-25 | 2014-02-25 | Ethylene trimerization prepares hexene-1 reaction product flash tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080381.4U CN204293899U (en) | 2014-02-25 | 2014-02-25 | Ethylene trimerization prepares hexene-1 reaction product flash tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204293899U true CN204293899U (en) | 2015-04-29 |
Family
ID=53099484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420080381.4U Expired - Lifetime CN204293899U (en) | 2014-02-25 | 2014-02-25 | Ethylene trimerization prepares hexene-1 reaction product flash tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204293899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327214A (en) * | 2019-07-31 | 2019-10-15 | 湖北省李时珍医院制剂集团中药产业有限公司 | Traditional Chinese medicine decocting method and Traditional Chinese medicine decocting device and its integrated system |
| CN111375219A (en) * | 2018-12-31 | 2020-07-07 | 中国石油化工股份有限公司 | Dividing wall tower and dividing wall rectification method |
-
2014
- 2014-02-25 CN CN201420080381.4U patent/CN204293899U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111375219A (en) * | 2018-12-31 | 2020-07-07 | 中国石油化工股份有限公司 | Dividing wall tower and dividing wall rectification method |
| CN111375219B (en) * | 2018-12-31 | 2022-02-08 | 中国石油化工股份有限公司 | Dividing wall tower and dividing wall rectification method |
| CN110327214A (en) * | 2019-07-31 | 2019-10-15 | 湖北省李时珍医院制剂集团中药产业有限公司 | Traditional Chinese medicine decocting method and Traditional Chinese medicine decocting device and its integrated system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170418 Address after: 163714 Daqing, Longfeng District, Henan Province, lying in the street, Tuen Mun, No. 90 Patentee after: DAQING PETROCHEMICAL ENGINEERING Co.,Ltd. Address before: 100037 Beijing city Haidian District Zengguang Road No. 21 Co-patentee before: DAQING PETROCHEMICAL ENGINEERING Co.,Ltd. Patentee before: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150429 |
|
| CX01 | Expiry of patent term |