CN207793112U - A kind of novel isobutene production equipment - Google Patents
A kind of novel isobutene production equipment Download PDFInfo
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- CN207793112U CN207793112U CN201820023821.0U CN201820023821U CN207793112U CN 207793112 U CN207793112 U CN 207793112U CN 201820023821 U CN201820023821 U CN 201820023821U CN 207793112 U CN207793112 U CN 207793112U
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Abstract
A kind of novel isobutene production equipment, including add hydrogen heating furnace, hydrogenation reactor, the first desulfurization bed, the second desulfurization bed, dehydrogenation heating furnace, the first dehydrogenation reactor, the second dehydrogenation reactor, compression separator, water treatment facilities, adsorbent bed, the first knockout tower, isobutene rectifying column, n-hexane storage tank and the second knockout tower.The novel isobutene production equipment, simple in structure, reliable for operation, the yield height of the isobutene of production, purity are high, so that dehydrogenation reactor is slow compared to other technique coking speed due to introducing steam, can improve the regeneration period to reduce operating cost；The novel isobutene production equipment can reuse water and other by-product recoveries, and production cost is saved in using water wisely, pressure caused by avoiding the discharge because of iso-butane, 1 butylene, 2 butylene and normal butane etc. environment, without secondary pollution.
Description
Technical field
The utility model is related to chemical production equipment more particularly to a kind of novel isobutene production equipments.
Background technology
Isobutene, (CH3)2C=CH2Also known as 2- metering systems, inflammable, explosion hazard gases (explosion limit 1.7%~9.0%
Volume), -6.90 DEG C of boiling point, 144.75 DEG C of critical-temperature, critical pressure 4.00MPa is important industrial chemicals, is widely used in
Prepare medicine, pesticide, antioxidant, the important Organic Chemicals for synthesizing senior lubricant and other fine chemical products.Its
The isobutene of middle high-purity can be used for producing butyl rubber and polyisobutene, and butyl rubber is mainly used to produce tire and medical vials
Plug.
With the rapid development and variation of BTX aromatics product market economy, the domestic emerging technique production capacity of BTX aromatics is continuous
Increasing, industry competition is also increasing.As using isobutene as the catalytic unit of major product, because actual processing amount is not achieved
It is even more imperative to improve the BTX aromatics output value for design value.
Utility model content
The purpose of this utility model is to provide a kind of novel isobutyls simple in structure, reliable for operation, yield is high, purity is high
Alkene production equipment.
In order to solve the above technical problems, the utility model provides a kind of novel isobutene production equipment, including hydrogen is added to heat
Stove, hydrogenation reactor, the first desulfurization bed, the second desulfurization bed, dehydrogenation heating furnace, the first dehydrogenation reactor, the second dehydrogenation reactor,
Compress separator, water treatment facilities, adsorbent bed, the first knockout tower, isobutene rectifying column, n-hexane storage tank and the second separation
Tower, described plus hydrogen heating furnace are equipped with four import of hydrogen inlet and carbon, add hydrogen heating furnace to be connected with hydrogenation reactor, hydrogenation reaction
Device is connected with the first desulfurization bed, and hydrogenation reactor is connected with the second desulfurization bed, and the first desulfurization bed is connected with dehydrogenation heating furnace
Logical, the second desulfurization bed is connected with dehydrogenation heating furnace, and dehydrogenation heating furnace one end is connected with first dehydrogenation reactor one end, and first
The dehydrogenation reactor other end is connected with the dehydrogenation heating furnace other end, and the dehydrogenation heating furnace other end is connected with the second dehydrogenation reactor
Logical, the second dehydrogenation reactor is connected with compression separator, and compression separator is connected with water treatment facilities, water process dress
It sets and is connected with dehydrogenation heating furnace, compression separator is connected with adsorbent bed, and adsorbent bed is connected with the first knockout tower, and first
It is connected at the top of separation column and isobutene rectifying column, isobutene rectifier bottoms are exported equipped with isobutene, the first knockout tower
Bottom is connected with n-hexane storage tank, and n-hexane storage tank is connected with adsorbent bed, and adsorbent bed is connected with the second knockout tower, and second
Separation tower bottom is connected with n-hexane storage tank, and the second separation column is connected with hydrogen heating furnace is added, isobutene rectifying tower top
Portion is connected with hydrogen heating furnace is added.
Preferably, the novel isobutene production equipment, further includes third dehydrogenation reactor, the third dehydrogenation reactor one
End is connected with dehydrogenation heating furnace one end, and the third dehydrogenation reactor other end is connected with the dehydrogenation heating furnace other end.
Preferably, the novel isobutene production equipment, further includes the 4th dehydrogenation reactor, the 4th dehydrogenation reactor one
End is connected with the dehydrogenation heating furnace other end, and the 4th dehydrogenation reactor other end is connected with compression separator.
The beneficial effects of the utility model are：The novel isobutene production equipment, it is simple in structure, it is reliable for operation, production
The yield of isobutene is high, purity is high, so that dehydrogenation reactor is slow compared to other technique coking speed due to introducing steam, Ke Yiti
The high regeneration period is to reduce operating cost；The novel isobutene production equipment can repeat water and other by-product recoveries
It utilizes, using water wisely, saves production cost, avoid the discharge because of iso-butane, 1- butylene, 2- butylene and normal butane etc. to environment
Caused by pressure, without secondary pollution.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the novel isobutene production equipment of the utility model；
Label declaration：1- adds hydrogen heating furnace；101- hydrogen inlets；Four import of 102- carbon；2- hydrogenation reactors；3- first is de-
Sulphur bed；The second desulfurization beds of 4-；5- dehydrogenation heating furnaces；The first dehydrogenation reactors of 6-；The second dehydrogenation reactors of 7-；8- third dehydrogenations are anti-
Answer device；The 4th dehydrogenation reactors of 9-；10- compresses separator；11- water treatment facilities；12- adsorbent beds；The first knockout towers of 13-；
14- isobutene rectifying columns；1401- isobutenes export；15- n-hexane storage tanks；The second knockout towers of 16-.
Specific implementation mode
For the technology contents of the utility model, construction feature, the objects and the effects are described in detail, below in conjunction with implementation
Mode simultaneously coordinates attached drawing to be explained in detail.
With reference to attached drawing 1, the utility model provides a kind of novel isobutene production equipment, including adds hydrogen heating furnace 1 plus hydrogen anti-
Answer device 2, the first desulfurization bed 3, the second desulfurization bed 4, dehydrogenation heating furnace 5, the first dehydrogenation reactor 6, the second dehydrogenation reactor 7, pressure
Contracting separator 10, water treatment facilities 11, adsorbent bed 12, the first knockout tower 13, isobutene rectifying column 14,15 and of n-hexane storage tank
Second knockout tower 16, described plus hydrogen heating furnace 1 are equipped with four import 102 of hydrogen inlet 101 and carbon, add hydrogen heating furnace 1 and add hydrogen anti-
Device 2 is answered to be connected, hydrogenation reactor 2 is connected with the first desulfurization bed 3, and hydrogenation reactor 2 is connected with the second desulfurization bed 4, the
One desulfurization bed 3 is connected with dehydrogenation heating furnace 5, and the second desulfurization bed 4 is connected with dehydrogenation heating furnace 5,5 one end of dehydrogenation heating furnace with
First dehydrogenation reactor, 6 one end is connected, and 6 other end of the first dehydrogenation reactor is connected with 5 other end of dehydrogenation heating furnace, dehydrogenation
5 other end of heating furnace is connected with the second dehydrogenation reactor 7, and the second dehydrogenation reactor 7 is connected with compression separator 10, presses
Contracting separator 10 is connected with water treatment facilities 11, and water treatment facilities 11 is connected with dehydrogenation heating furnace 5, compresses separator
10 are connected with adsorbent bed 12, and adsorbent bed 12 is connected with the first knockout tower 13,13 top of the first knockout tower and isobutene rectifying
14 top of tower is connected, and 14 bottom of isobutene rectifying column is equipped with isobutene outlet 1401,13 bottom of the first knockout tower and n-hexane
Storage tank 15 is connected, and n-hexane storage tank 15 is connected with adsorbent bed 12, and adsorbent bed 12 is connected with the second knockout tower 16, second point
It is connected with n-hexane storage tank 15 from 16 bottom of tower, 16 top of the second knockout tower is connected with hydrogen heating furnace 1 is added, isobutene rectifying
14 top of tower is connected with hydrogen heating furnace 1 is added.
The novel isobutene production equipment, further includes third dehydrogenation reactor 8, described 8 one end of third dehydrogenation reactor with
5 one end of dehydrogenation heating furnace is connected, and 8 other end of third dehydrogenation reactor is connected with 5 other end of dehydrogenation heating furnace.
The novel isobutene production equipment, further includes the 4th dehydrogenation reactor 9, described 4th dehydrogenation reactor, 9 one end with
5 other end of dehydrogenation heating furnace is connected, and 9 other end of the 4th dehydrogenation reactor is connected with compression separator 10.
The novel isobutene production equipment, when work, hydrogen and four raw material of carbon are respectively by four import of hydrogen inlet 101 and carbon
102, into adding hydrogen heating furnace 1, hydrogenated heating furnace 1 to enter hydrogenation reactor 2 after heating, react generation in hydrogenation reactor 2
Mixture containing isobutene, these mixtures for containing isobutene enter the first desulfurization bed 3 or the second desulfurization bed 4 to remove
Sulfide therein, the first desulfurization bed 3 and the second desulfurization bed 4 can be with rotation works, and the mixture of the isobutene after desulfurization enters
Dehydrogenation heating furnace 5 enters the first dehydrogenation reactor 6 after heating, since the reaction is the endothermic reaction, the first dehydrogenation reactor 6 goes out
It is again passed by after material and enters the second dehydrogenation reactor 7 after dehydrogenation heating furnace 5 heats, the compressed separator of following reaction object 10 divides
Separate out process water and the mixture (third dehydrogenation reactor 8 and the 4th dehydrogenation reactor 9 be spare) containing isobutene, wherein technique
Water generates steam after the processing of water treatment facilities 11, and steam enters dehydrogenation heating furnace together with the mixture of the isobutene after desulfurization
5, the mixture containing isobutene isolated enters adsorbent bed 12, after the absorption of adsorbent bed 12, isobutene, iso-butane and n-hexane
Mixture enter the first knockout tower 13, through the first knockout tower 13 separation isobutene, iso-butane and n-hexane, wherein n-hexane by
First knockout tower, 13 bottom of tower is discharged and is pipelined to n-hexane storage tank 15, while n-hexane storage tank 15 is mended to adsorbent bed 12
N-hexane is filled, iso-butane and isobutene in addition are discharged by the tower top of the first knockout tower 13 and are pipelined to isobutene essence
Tower 14 is evaporated, is detached isobutene and iso-butane through 14 rectifying of isobutene rectifying column, wherein isobutene is by 14 tower of isobutene rectifying column
1401 discharge of isobutene outlet at bottom, and iso-butane is discharged by 14 tower top of isobutene rectifying column and is returned by pipeline plus hydrogen adds
Hot stove 1；Other materials after the absorption of adsorbent bed 12 enter the second knockout tower 16, and material is isolated just through the second knockout tower 16
Hexane is pipelined to n-hexane storage tank 15 by bottom of tower discharge, and surplus material passes through pipe through the discharge of 16 tower top of the second knockout tower
Road is transmitted back to plus hydrogen heating furnace 1.
The novel isobutene production equipment, simple in structure, reliable for operation, the yield height of the isobutene of production, purity are high, by
In introduce steam make dehydrogenation reactor compared to other technique coking speed it is slow, the regeneration period can be improved to reduce operation at
This；The novel isobutene production equipment can reuse water and other by-product recoveries, and using water wisely, saving is produced into
This, pressure caused by avoiding the discharge because of iso-butane, 1- butylene, 2- butylene and normal butane etc. environment, without secondary pollution.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (3)
1. a kind of novel isobutene production equipment, which is characterized in that the novel isobutene production equipment includes adding hydrogen heating furnace, adding
Hydrogen reactor, the first desulfurization bed, the second desulfurization bed, dehydrogenation heating furnace, the first dehydrogenation reactor, the second dehydrogenation reactor, compression
Separator, water treatment facilities, adsorbent bed, the first knockout tower, isobutene rectifying column, n-hexane storage tank and the second knockout tower, institute
State plus hydrogen heating furnace be equipped with four import of hydrogen inlet and carbon, add hydrogen heating furnace to be connected with hydrogenation reactor, hydrogenation reactor and
First desulfurization bed is connected, and hydrogenation reactor is connected with the second desulfurization bed, and the first desulfurization bed is connected with dehydrogenation heating furnace, the
Two desulfurization beds are connected with dehydrogenation heating furnace, and dehydrogenation heating furnace one end is connected with first dehydrogenation reactor one end, the first dehydrogenation
The reactor other end is connected with the dehydrogenation heating furnace other end, and the dehydrogenation heating furnace other end is connected with the second dehydrogenation reactor,
Second dehydrogenation reactor is connected with compression separator, and compression separator is connected with water treatment facilities, water treatment facilities
It is connected with dehydrogenation heating furnace, compression separator is connected with adsorbent bed, and adsorbent bed is connected with the first knockout tower, first point
From being connected at the top of top of tower and isobutene rectifying column, isobutene rectifier bottoms are exported equipped with isobutene, the first knockout tower bottom
Portion is connected with n-hexane storage tank, and n-hexane storage tank is connected with adsorbent bed, and adsorbent bed is connected with the second knockout tower, second point
It is connected with n-hexane storage tank from tower bottom, the second separation column is connected with hydrogen heating furnace is added, at the top of isobutene rectifying column
It is connected with hydrogen heating furnace is added.
2. novel isobutene production equipment according to claim 1, which is characterized in that the novel isobutene production equipment is also
Including third dehydrogenation reactor, third dehydrogenation reactor one end is connected with dehydrogenation heating furnace one end, third dehydrogenation reaction
The device other end is connected with the dehydrogenation heating furnace other end.
3. novel isobutene production equipment according to claim 1 or 2, which is characterized in that the novel isobutene production is set
Standby further includes the 4th dehydrogenation reactor, and described 4th dehydrogenation reactor one end is connected with the dehydrogenation heating furnace other end, and the 4th is de-
The hydrogen reactor other end is connected with compression separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023821.0U CN207793112U (en) | 2018-01-05 | 2018-01-05 | A kind of novel isobutene production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023821.0U CN207793112U (en) | 2018-01-05 | 2018-01-05 | A kind of novel isobutene production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207793112U true CN207793112U (en) | 2018-08-31 |
Family
ID=63277775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820023821.0U Active CN207793112U (en) | 2018-01-05 | 2018-01-05 | A kind of novel isobutene production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207793112U (en) |
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2018
- 2018-01-05 CN CN201820023821.0U patent/CN207793112U/en active Active
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