CN203874760U - Reaction system for removing 1,3-butadiene impurities from C4 raw material - Google Patents
Reaction system for removing 1,3-butadiene impurities from C4 raw material Download PDFInfo
- Publication number
- CN203874760U CN203874760U CN201420080250.6U CN201420080250U CN203874760U CN 203874760 U CN203874760 U CN 203874760U CN 201420080250 U CN201420080250 U CN 201420080250U CN 203874760 U CN203874760 U CN 203874760U
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- CN
- China
- Prior art keywords
- removes
- reactor
- reaction system
- carbon
- raw materials
- 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.)
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- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000002994 raw material Substances 0.000 title claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 26
- 239000012535 impurity Substances 0.000 title claims abstract description 25
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 22
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 229910052799 carbon Inorganic materials 0.000 claims description 28
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 8
- 150000002940 palladium Chemical class 0.000 claims description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 abstract description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 28
- 238000006317 isomerization reaction Methods 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000009835 boiling Methods 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- IAQRGUVFOMOMEM-ONEGZZNKSA-N trans-but-2-ene Chemical compound C\C=C\C IAQRGUVFOMOMEM-ONEGZZNKSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a reaction system for removing 1,3-butadiene impurities from a C4 raw material. The reaction system comprises a removing reactor, wherein a material inlet is formed in the top end of the removing reactor, a material outlet is formed in the bottom end of the removing reactor, a catalyst bed layer covering the whole cross section of the removing reactor is arranged in the removing reactor, and catalysts in the catalyst bed layer are palladium catalysts. According to the reaction system, 1,3-butadiene in the C4 raw material can be subjected to selective hydrogenation to generate alkane, so that the purpose of removing the 1,3-butadiene impurities from the C4 raw material is achieved.
Description
Technical field
The utility model relates to a kind of reaction system that removes the impurity in carbon four raw materials, relates in particular to a kind of reaction system that removes 1,3-butadiene impurity residual in carbon four raw materials.
Background technology
In the production process of 1-butene purification unit, carbon four raw materials contain a certain amount of 1,3-butadiene impurity, its boiling point is-4.4 ℃, ℃ very approaching with boiling point-6.25 of butene-1, adopt common rectificating method to be difficult to say that 1,3-butadiene separates from butene-1, and can cause the loss of butene-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 reaction system that removes 1,3-butadiene impurity in carbon four raw materials, can effectively remove 1,3 butadiene impurity residual in carbon four raw materials.
The technical solution adopted in the utility model is: a kind ofly remove in carbon four raw materials 1, the reaction system of 3-butadiene impurity, comprise and remove reactor, the described top that removes reactor is provided with material inlet, bottom is provided with material outlet, the described inside that removes reactor is provided with the beds that covers its whole cross section, and the catalyst of filling in described beds is palladium series catalyst.
On the sidewall of the described upper, middle and lower that removes reactor, can be respectively equipped with temperature detection mouth.
Described temperature detection mouth can be provided with temperature sensor, and the output of described temperature sensor connects alarm terminal.
The described bottom that removes reactor can be provided with manhole.
The described bottom that removes reactor can be provided with for dismantling the discharge port of described catalyst.
The described reactor that removes is preferably vertical reactor.
The described reaction system that removes 1,3-butadiene impurity in carbon four raw materials can also comprise feed preheater, removes the material inlet of reactor described in the outlet of described feed preheater connects by feed line.
The described reaction system that removes 1,3-butadiene impurity in carbon four raw materials can also comprise that the outlet of described hydrogenation pipeline is communicated with described feed line for delivery of the hydrogenation pipeline of the hydrogen containing CO.
The beneficial effects of the utility model: can make 1,3 butadiene in carbon four raw materials carry out selective hydrogenation generation alkane by the utility model, thereby remove the 1,3-butadiene impurity in carbon four raw materials.
By temperature sensor, can detect in real time the temperature that removes relevant temperature detection mouthful position in reactor, when runaway reaction, high temperature alarm chain hydrogen feed and the feed preheater thermal source of closing, try to avert accidents.
The convenience personnel when removing reactor down-time maintenance that arrange of manhole pass in and out, and the setting of discharge port is convenient for changing, dismantles catalyst.
Adding the object of trace amounts of CO when removing hydrogenation in reactor is improve hydrogenation selective, if do not add CO, hydrogenation reaction is not only 1, on 3-butadiene, occur, there is hydrogenation reaction in butene-1 simultaneously too, butene-1 loss is serious, also have a large amount of butene-1 generation isomerization reactions and generate butene-2 simultaneously, add after CO, CO is optionally adsorbed onto the active district of butene-1 hydrogenation on catalyst and above the active district of isomerization, can effectively stops the hydrogenation of butene-1 and the generation of isomerization reaction.
Accompanying drawing explanation
Fig. 1 is the structural representation that removes reactor of the present utility model.
The specific embodiment
Referring to Fig. 1, the utility model provides a kind of and has removed in carbon four raw materials 1, the reaction system of 3-butadiene impurity, comprise and remove reactor 1, the described reactor that removes is preferably vertical reactor, described in remove reactor top be provided with material inlet 2, bottom is provided with material outlet 3, the described inside that removes reactor is provided with the beds 4 that covers its whole cross section, and the catalyst of filling in described beds is with Al
2o
3precious metal palladium series catalysts for carrier.
On the sidewall of the described upper, middle and lower that removes reactor, can be respectively equipped with temperature detection mouth 5, described temperature detection mouth can be provided with temperature sensor, the output of described temperature sensor connects alarm terminal, the control end of all right connection closed hydrogen feed and feed preheater thermal source.The temperature that removes relevant temperature detection mouthful position in reactor described in can detecting in real time by described temperature sensor, when runaway reaction, realizes high temperature alarm chain hydrogen feed and the feed preheater thermal source of closing, and tries to avert accidents.
The described bottom that removes reactor can be provided with manhole 6, convenient in described personnel's turnover while removing reactor down-time maintenance, described in remove reactor bottom can be provided with discharge port 7, be convenient for changing, dismantle catalyst.
Describedly remove in carbon four raw materials 1, the reaction system of 3-butadiene impurity can also comprise feed preheater, described in the outlet of described feed preheater connects by feed line, remove the material inlet of reactor, the entrance of described feed preheater connects carbon four raw material source.Conventionally, carbon four raw materials temperature after by described preheater is preheated to 40 ℃～60 ℃.
Describedly remove in carbon four raw materials 1, the reaction system of 3-butadiene impurity can also comprise the hydrogenation pipeline for delivery of the hydrogen containing CO, the entrance of described hydrogenation pipeline connects hydrogen and CO source, the outlet of described hydrogenation pipeline is communicated with described feed line, for the carbon four raw material hydrogenation after preheating.Conventionally, in the hydrogen that contains CO of interpolation and carbon four raw materials, the mol ratio of 1,3-butadiene is 2～3.5, and in hydrogen, the content of CO is 500～1500ppm (v).
The course of work of the present utility model and principle are: carbon four raw materials mix with the hydrogen that contains CO described in entering from described material inlet and remove reactor after described feed preheater preheating, reaction is to occur in downward mobile phase, under 2.0MPaG, the condition of 40 ℃～60 ℃, by the catalytic action of catalyst, 1,3-butadiene in raw material carries out selective hydrogenation and generates alkane, thereby removes 1 in carbon four raw materials, 3-butadiene impurity, reaction equation is as follows:
1,3-C
4H
6+2H
2→C
4H
10
Product is discharged and is entered subsequent processing from described material outlet.
The object that adds CO in hydrogen is improve hydrogenation selective.If do not add CO, hydrogenation reaction is not only 1, on 3-butadiene, occur, there is hydrogenation reaction in butene-1 simultaneously too, butene-1 loss is serious, also has a large amount of butene-1 generation isomerization reactions simultaneously and generates butene-2, adds after CO, CO is optionally adsorbed onto on catalyst the active district of butene-1 hydrogenation and above the active district of isomerization, can effectively stops the hydrogenation of butene-1 and the generation of isomerization reaction.
Claims (8)
1. one kind removes in carbon four raw materials 1, the reaction system of 3-butadiene impurity, it is characterized in that comprising and remove reactor, the described top that removes reactor is provided with material inlet, bottom is provided with material outlet, the described inside that removes reactor is provided with the beds that covers its whole cross section, and the catalyst of filling in described beds is palladium series catalyst.
2. the reaction system that removes 1,3-butadiene impurity in carbon four raw materials according to claim 1, removes described in it is characterized in that on the sidewall of upper, middle and lower of reactor and is respectively equipped with temperature detection mouth.
3. the reaction system that removes 1,3-butadiene impurity in carbon four raw materials according to claim 2, is characterized in that described temperature detection mouth is provided with temperature sensor, and the output of described temperature sensor connects alarm terminal.
4. the reaction system that removes 1,3-butadiene impurity in carbon four raw materials according to claim 3, the bottom that removes reactor described in it is characterized in that is provided with manhole.
5. the reaction system that removes 1,3-butadiene impurity in carbon four raw materials according to claim 4, the bottom that removes reactor described in it is characterized in that is provided with for dismantling the discharge port of described catalyst.
6. the reaction system that removes 1,3-butadiene impurity in carbon four raw materials according to claim 5, described in it is characterized in that, removing reactor is vertical reactor.
7. according to removing in carbon four raw materials 1 described in claim 1,2,3,4,5 or 6, the reaction system of 3-butadiene impurity, characterized by further comprising feed preheater, described in the outlet of described feed preheater connects by feed line, remove the material inlet of reactor.
8. the reaction system that removes 1,3-butadiene impurity in carbon four raw materials according to claim 7, characterized by further comprising the hydrogenation pipeline for delivery of the hydrogen containing CO, and the outlet of described hydrogenation pipeline is communicated with described feed line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080250.6U CN203874760U (en) | 2014-02-25 | 2014-02-25 | Reaction system for removing 1,3-butadiene impurities from C4 raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080250.6U CN203874760U (en) | 2014-02-25 | 2014-02-25 | Reaction system for removing 1,3-butadiene impurities from C4 raw material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203874760U true CN203874760U (en) | 2014-10-15 |
Family
ID=51675306
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420080250.6U Expired - Lifetime CN203874760U (en) | 2014-02-25 | 2014-02-25 | Reaction system for removing 1,3-butadiene impurities from C4 raw material |
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|---|---|
| CN (1) | CN203874760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546969A (en) * | 2020-12-07 | 2021-03-26 | 安徽贝克联合制药有限公司 | Catalytic hydrogenation continuous production device and preparation method of ritonavir intermediate |
-
2014
- 2014-02-25 CN CN201420080250.6U patent/CN203874760U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546969A (en) * | 2020-12-07 | 2021-03-26 | 安徽贝克联合制药有限公司 | Catalytic hydrogenation continuous production device and preparation method of ritonavir intermediate |
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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: 20170505 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: 20141015 |
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| CX01 | Expiry of patent term |