CN208482029U - Butene-1 separator - Google Patents
Butene-1 separator Download PDFInfo
- Publication number
- CN208482029U CN208482029U CN201820056588.6U CN201820056588U CN208482029U CN 208482029 U CN208482029 U CN 208482029U CN 201820056588 U CN201820056588 U CN 201820056588U CN 208482029 U CN208482029 U CN 208482029U
- Authority
- CN
- China
- Prior art keywords
- section
- butene
- pieces
- rectifying
- column
- 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.)
- Active
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a kind of butene-1 separators, it include: rectifying column and vertical partition plate, vertical partition plate is arranged in rectifying column, rectifying column is separated into four prefractionation section, main column section, tower top rectifying section and tower bottom stripping section active sections, output side line is provided in main column section, the output end of prefractionation section is connected to the input terminal of main column section, the output end of the main column section input terminal with the input terminal of tower top rectifying section, tower bottom stripping section, and output side line connection respectively；Wherein, the number of theoretical plate of prefractionation section is 5 pieces~80 pieces, and the number of theoretical plate of main column section is 5 pieces~80 pieces, and the number of theoretical plate of tower top rectifying section is 10 pieces~80 pieces, and the number of theoretical plate of tower bottom stripping section is 10 pieces~100 pieces.Above-mentioned butene-1 separator is with separation process is short, low energy consumption, small investment, the beneficial effect for saving occupied area.
Description
Technical field
The utility model relates to butene-1 extractive technique field more particularly to a kind of butene-1 separators.
Background technique
Butene-1 substance can be used as the important comonomer of ethylene, with the continuous growth of ethylene yield, to butene-1
Demand is also increasing.Butene-1 mixed component is typically derived from MTBE (Methyl Tert-Butyl Ether, methyl- tert
Butyl ether) device unreacted C4 component, the product of butene-1 component can also be contained from other upstream devices, butene-1 is mixed
Be combined point includes C3, iso-butane, butene-1, butene-2, normal butane and other components.Concatenated iso-butane is used in the prior art
Rectifying column and butene-1 rectifying column separating butane-1 mixed component, butene-1 mixed component first pass through iso-butane the top of the distillation column and cut
Except light components such as iso-butanes, iso-butane tower bottom of rectifying tower heavy constituent separates normal butane, fourth using butene-1 rectifying column, tower reactor
Alkene -2 and other heavy constituents, tower top separating high-purity butene-1 product.The butene-1 mixed component separation system of above-mentioned double tower string
It needs to carry out the separation of butene-1 mixed component using two rectifying columns, so that separation process is long, energy consumption is high, and occupation area of equipment
Greatly, investment cost is high.
Utility model content
The purpose of this utility model is that a kind of butene-1 separator is proposed, to overcome existing butene-1 mixed component point
, energy consumption height long from separation process existing for system, the technical problem that occupation area of equipment is big, investment cost is high.
For this purpose, the utility model uses following technical scheme:
A kind of butene-1 separator, comprising: rectifying column and vertical partition plate, vertical partition plate are arranged in rectifying column, will be smart
It evaporates tower and is separated into four prefractionation section, main column section, tower top rectifying section and tower bottom stripping section active sections, be provided with output in main column section
Side line, the output end of prefractionation section are connected to the input terminal of main column section, and the output end of main column section is defeated with tower top rectifying section respectively
Enter the input terminal at end, tower bottom stripping section, and output side line connection；Wherein, the number of theoretical plate of prefractionation section is 5 pieces~80 pieces, main
The number of theoretical plate of tower section is 5 pieces~80 pieces, and the number of theoretical plate of tower top rectifying section is 10 pieces~80 pieces, the theoretical plate of tower bottom stripping section
Number is 10 pieces~100 pieces.
The tower top temperature of rectifying column is 40 DEG C~100 DEG C in one of the embodiments,.
The tower top operating pressure of rectifying column is 0.2MPa (a)~0.8MPa (a) in one of the embodiments,.
The reflux ratio of rectifying column is 1~40 in one of the embodiments,.
Butene-1 separator further includes reflux assembly in one of the embodiments, and reflux assembly is connected to rectifying column
Tower top.
Reflux assembly includes sequentially connected cooler, return tank and reflux pump in one of the embodiments,.
Butene-1 separator further includes reboiler in one of the embodiments, and reboiler is connect with rectifying column.
When using above-mentioned butene-1 separator separating butane-1 mixed component, butene-1 mixed component to be separated is certainly
Enter in the middle part of prefractionation section, initial gross separation C3/ iso-butane/two groups of objects of components such as butene-1 and butene-1/butene-2/normal butane
Stream；After two streams enter main column section, tower top rectifying section completes the separation of C3/ iso-butane/butene-1, and tower bottom stripping section is completed
Butene-1/butene-2/normal butane separation.The components such as C3/ iso-butane are obtained from tower top, tower bottom obtains butene-2/normal butane etc.
Component, intermediate species high-purity butylene-1 is from output side take-off, to realize C3/ iso-butane/butene-1/butene-2/positive fourth
The separation of the mixed components such as alkane, obtains high-purity butylene-1.
Above-mentioned butene-1 separator integrates double-column process by being provided with the rectifying column of vertical partition plate, using with four
The rectifying column separating butane-1 mixed component of a active section, reduces a rectifying column and its corollary equipment, greatly shortens separation stream
Journey, can effectively save process energy consumption, energy saving reaches 25% or more, and can effectively reduce occupation area of equipment, reduce
Equipment investment.Therefore, compared with prior art, above-mentioned butene-1 separator have separation process is short, low energy consumption, small investment,
Save the beneficial effect of occupied area.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of butene-1 separator in one embodiment；
Fig. 2 is the structural schematic diagram of rectifying column in one embodiment.
In figure:
10- rectifying column, 20- vertical partition plate, 30- reflux assembly, 40- reboiler, 11- prefractionation section, 12- main column section, 13-
Tower top rectifying section, 14- tower bottom stripping section, 31- cooler, 32- return tank, 33- reflux pump, 121- export side line.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Fig. 1 to Fig. 2 is please referred to, the butene-1 separator of an embodiment includes rectifying column 10 and vertical partition plate 20, is hung down
Straight baffle 20 is arranged in rectifying column 10, is located at 10 middle part of rectifying column, rectifying column 10 is separated into prefractionation section 11, main column section
12,14 4 active sections of tower top rectifying section 13 and tower bottom stripping section are provided with output side line 121, prefractionation section in main column section 12
11 output end is connected to the input terminal of main column section 12, the output end of main column section 12 respectively with the input terminal of tower top rectifying section 13,
The input terminal of tower bottom stripping section 14, and output side line 121 are connected to.Wherein, the number of theoretical plate of prefractionation section 11 is 5 pieces~80 pieces,
The number of theoretical plate of main column section 12 is 5 pieces~80 pieces, and the number of theoretical plate of tower top rectifying section 13 is 10 pieces~80 pieces, tower bottom stripping section 14
Number of theoretical plate be 10 pieces~100 pieces.
Specifically, in practical application, the position of vertical partition plate 20 can be adjusted according to separation requirement to adjust each active section
Number of theoretical plate can be realized the optimization of energy utilization.
When using above-mentioned butene-1 separator separating butane-1 mixed component, butene-1 mixed component to be separated is certainly
Enter in the middle part of prefractionation section 11, initial gross separation C3/ iso-butane/two groups of components of butene-1 and butene-1/butene-2/normal butane etc.
Logistics；After two streams enter main column section 12, tower top rectifying section 13 completes the separation of C3/ iso-butane/butene-1, tower bottom stripping
Section 14 completes butene-1/butene-2/normal butane separation.Obtain the components such as C3/ iso-butane from tower top, tower bottom obtain butene-2/
The components such as normal butane, intermediate species high-purity butylene-1 from output side line 121 produce, thus realize C3/ iso-butane/butene-1/
The separation of the mixed components such as butene-2/normal butane, obtains high-purity butylene-1.Above-mentioned butene-1 separator is by being provided with
The rectifying column 10 of vertical partition plate 20 integrates double-column process, and using tool, there are four the 10 separating butane-1 mixing groups of rectifying column of active section
Point, reduce a rectifying column and its corollary equipment, greatly shorten separation process, can effectively save process energy consumption, energy saving
Reach 25% or more, and occupation area of equipment can be effectively reduced, reduces equipment investment.
As shown in Figure 1, in one embodiment, butene-1 separator further includes reflux assembly 30, reflux assembly 30 connects
It is connected to the tower top of rectifying column 10.Specifically, reflux assembly 30 includes sequentially connected cooler 31, return tank 32 and reflux pump
33, cooler 31 is arranged in 10 tower top of rectifying column, and 32 one end of return tank is connect with cooler 31, and the other end and reflux pump 33 connect
It connects, reflux pump 33 is connected to 10 tower top of rectifying column.Wherein, top gaseous phase can be condensed into liquid phase and enters return tank by cooler 31
32,32 liquid phase of return tank returns to the tower top first of corresponding rectifying column 10 through pump pressurization rear portion as reflux through reflux pump 33
Block tower tray, a part are extracted out as product.
As shown in Figure 1, butene-1 separator further includes reboiler 40, reboiler 40 is connected to 10 tower bottom of rectifying column, weight
Boiling device 40 can heat tower reactor liquid phase make its part vaporize and become upflowing vapor, for 10 vehicle repair major of rectifying column carry out mass transfer biography
Heat provides required heat.Specifically, reboiler 40 is used as heat source using steam, hot water, conduction oil or process-stream etc..
In one embodiment, the tower top temperature of rectifying column 10 be 40 DEG C~100 DEG C, operating pressure be 0.2MPa (a)~
0.8MPa(a).Further, the reflux ratio of rectifying column 10 is 1~40.
Process using above-mentioned butene-1 separator separating butane-1 mixed component is as follows:
Raw material to be separated is the mixed component containing butene-1 substance, including C3, iso-butane, butene-1, butene-2 and
Normal butane, the temperature of butene-1 mixed component to be separated into rectifying column 10 are 20~60 DEG C.Firstly, butene-1 to be separated is mixed
It is combined and point enters from the middle part of prefractionation section 11, after initial gross separation, the mixtures such as 3/ iso-butane of upper section flow C/butene-1, lower section
Logistics is the mixtures such as butene-1/butene-2/normal butane；After two streams enter main column section 12, tower top rectifying section 13 is completed
The separation of the mixtures such as C3/ iso-butane/butene-1, the C3/ iso-butane obtained from tower top enter after the condensation of tower top cooler 31
Return tank 32, return tank 32 have the evolution of the fixed gases such as C3, and 32 liquid phase a part of return tank returns to essence through reflux pump 33 as reflux
Column overhead rectifying section 13 is evaporated, a part is produced as overhead product；Tower bottom stripping section 14 completes butene-1/butene-2/normal butane
The separation of equal mixtures obtains the heavy constituents such as butene-2/normal butane from tower bottom, a part as reboiling be recycled to reboiler 40 into
Row heating, a part are produced as downstream raw material；High-purity butylene-1 product is from 12 side take-off of tower section.
Above-mentioned butene-1 separator separates the mixed component containing butene-1 substance by rectifying column 10, only needs
One rectifying column, 10, reboilers 40 and a reflux assembly 30 can be obtained by high-purity butylene-1 product.With traditional fourth
- 1 separating technology of alkene compares, and above-mentioned butene-1 separator saves a rectifying column and auxiliary device, greatly reduces and is
System energy consumption.Also, material is further separated in main column section 12, after the separation of prefractionation section 11 in main column section in rectifying column 10
12 intermediate species concentration maximum extracts intermediate species out, reduces the back-mixing of intermediate species, heat can be significantly increased
Utilization rate realizes being highly coupled for heat, needs smaller reboiling heat and condensation number than conventional double-column process, can be further
Reduce system energy consumption.Compared to the butene-1 mixed component separation system of traditional double-column in series, above-mentioned butene-1 separator section
About energy consumption can reach 25% or more.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (5)
1. a kind of butene-1 separator, comprising: rectifying column (10), which is characterized in that further include vertical partition plate (20) and reflux
Component (30), the reflux assembly (30) are connected to the tower top of the rectifying column (10), and the vertical partition plate (20) is arranged in institute
State in rectifying column (10), by the rectifying column (10) be separated into prefractionation section (11), main column section (12), tower top rectifying section (13) and
(14) four active sections of tower bottom stripping section are provided with output side line (121), the prefractionation section (11) on the main column section (12)
Output end be connected to the input terminal of the main column section (12), the output end of the main column section (12) respectively with the tower top rectifying
The input terminal of section (13), the input terminal of the tower bottom stripping section (14) and the output side line (121) connection；Wherein, described pre-
The number of theoretical plate of distillation stage (11) is 5 pieces~80 pieces, and the number of theoretical plate of the main column section (12) is 5 pieces~80 pieces, the tower top
The number of theoretical plate of rectifying section (13) is 10 pieces~80 pieces, and the number of theoretical plate of the tower bottom stripping section (14) is 10 pieces~100 pieces.
2. butene-1 separator according to claim 1, which is characterized in that the tower top temperature of the rectifying column (10) is
40 DEG C~100 DEG C.
3. butene-1 separator according to claim 1, which is characterized in that the tower top of the rectifying column (10) operates pressure
Power is 0.2MPa (a)~0.8MPa (a).
4. butene-1 separator according to claim 1, which is characterized in that the reflux ratio of the rectifying column (10) is 1
~40.
5. butene-1 separator according to claim 1, which is characterized in that the butene-1 separator further includes weight
It boils device (40), the reboiler (40) connect with the rectifying column (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056588.6U CN208482029U (en) | 2018-01-12 | 2018-01-12 | Butene-1 separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056588.6U CN208482029U (en) | 2018-01-12 | 2018-01-12 | Butene-1 separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208482029U true CN208482029U (en) | 2019-02-12 |
Family
ID=65254518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820056588.6U Active CN208482029U (en) | 2018-01-12 | 2018-01-12 | Butene-1 separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208482029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109796310A (en) * | 2019-03-26 | 2019-05-24 | 河北工业大学 | A method of initial gross separation being carried out to F- T synthesis water using next door rectifying column |
-
2018
- 2018-01-12 CN CN201820056588.6U patent/CN208482029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109796310A (en) * | 2019-03-26 | 2019-05-24 | 河北工业大学 | A method of initial gross separation being carried out to F- T synthesis water using next door rectifying column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8287698B2 (en) | Process and system for producing alcohol by split-feed distillation | |
| CN103432761B (en) | Be separated the rectificating method of dichloro-benzenes isomer | |
| CN1918090A (en) | Method for obtaining raw-1,3-butadiene | |
| CN106518640B (en) | A kind of method that cyclohexanone product efficiently separates purification | |
| CN110256202A (en) | A kind of refining crude methanol process of four towers quadruple effect | |
| CN106316769A (en) | Apparatus and method for separating styrene from hydrocarbons mixture | |
| CN208482029U (en) | Butene-1 separator | |
| Liang et al. | Optimal separation of acetonitrile and pyridine from industrial wastewater | |
| CN103484154A (en) | Condensed water stripped crude oil stabilization method and special device thereof | |
| CN106588572B (en) | Three-tower differential pressure coupling rectification system and method for separating low-carbon mixed alcohol | |
| CN209507583U (en) | A kind of Analytic Tower hydrogen chloride recovery system | |
| CN103463826B (en) | Rectification and separation method | |
| CN103833537B (en) | Absorption and refining method for high-purity methylacrolein | |
| CN203060873U (en) | Continuous rectifying tower for N-methylaniline | |
| CN110483249A (en) | A kind of six tower quadruple effect rectificating method of single column steam drive type methanol of not by-product fusel oil | |
| CN208008695U (en) | Crude styrene piece-rate system | |
| CN213760551U (en) | 1-butene refining energy-saving device with heat pump heat integration | |
| CN208008728U (en) | Raw pyrolysis gasoline separator | |
| CN208287526U (en) | Alkylation reaction product separator | |
| RU2722593C2 (en) | Methods and systems for purifying 1,3-butadiene | |
| CN205099600U (en) | Fuel ethanol purification system | |
| CN213760550U (en) | Two-tower double-heat-pump integrated 1-butene refining energy-saving device | |
| CN110002960B (en) | Device and method for separating ABE fermentation pervaporation liquid | |
| JP6312614B2 (en) | Hydrous ethanol distillation apparatus and method for producing absolute ethanol | |
| CN208008694U (en) | Crude styrene piece-rate system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |