CN105983245B - A kind of rectifying column extraction structure and extraction method - Google Patents
A kind of rectifying column extraction structure and extraction method Download PDFInfo
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- CN105983245B CN105983245B CN201510050552.8A CN201510050552A CN105983245B CN 105983245 B CN105983245 B CN 105983245B CN 201510050552 A CN201510050552 A CN 201510050552A CN 105983245 B CN105983245 B CN 105983245B
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- measuring tank
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Abstract
The present invention relates to a kind of rectifying column extraction structure and extraction method, extraction structure includes several rectifying column tower tops extraction pipeline, is located at the oil water separator and several measuring tanks and medial launder for being connected by pipeline with overhead extraction pipeline and oil water separator of overhead extraction end of line, the overhead extraction pipeline can be connected by oil water separator or be directly connected to medial launder or one-level, two level measuring tank, can individually be connected between oil water separator and one-level, two level measuring tank, between one-level measuring tank and two level measuring tank.Overhead fraction can be adopted to any one or more measuring tank specified, medial launder or reactors, and the gatherer process of cut is more flexibly, accurately.Compared with prior art, the beneficial effects of the invention are as follows：1) when one-pot produces, directly cut can be adopted to medial launder；2) when multitower produces, the cut that certain tower produces can be made to enter the measuring tank specified；3) when produced quantity is smaller, cut is not directly entered measuring tank by oil water separator.
Description
Technical field
The present invention relates to coking industry rectifying column to produce technical field, more particularly to a kind of rectifying column produces tubular construction and adopted
Go out method.
Background technology
In process of coking, liquid mixture is carried out frequently with rectifying column to be distilled to yield high-purity isolate, but it is existing
With the presence of extraction line construction certain defect, be in particular in：1) when one-pot produces, directly cut can not be adopted to centre
Groove；2) when multitower produces, the cut that certain tower can not be selected to produce enters the measuring tank specified；3) when produced quantity is smaller, cut
Mixed into oil water separator with water, easily cause quality fluctuation.As shown in figure 1, as can be seen from the figure 101~103 oil
Separator is directly connected with one-level measuring tank 201~203, and 104 oil water separators are directly connected with one-level measuring tank 204, and one
Level measuring tank is connected with two level measuring tank and medial launder, and therefore, cut can only be by entering after oil water separator and measuring tank
Medial launder.Further, since 101~103 oil water separators share a main pipeline when leading to one-level measuring tank, and between each section not
If valve, therefore the cut of several rectifying column tower tops extraction will be mixed into same one-level measuring tank during multitower production, at this
All it is unfavorable for examining the extraction quality of certain column overhead and the quality control of cut in the case of kind.
The content of the invention
The invention provides a kind of rectifying column extraction line construction and extraction method, overhead fraction can adopt to any one or
The multiple measuring tank specified, medial launder or reactors, can individually be connected between each measuring tank, medial launder or reactor, make to evaporate
The gatherer process divided more flexibly, accurately, is advantageous to control product quality, reduces labor intensity.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of rectifying column produces structure, including several rectifying column tower tops produce pipeline, are located at overhead extraction end of line
Oil water separator and several measuring tanks and medial launder for being connected by pipeline with overhead extraction pipeline and oil water separator, it is described
Overhead extraction pipeline can be connected or be directly connected to medial launder or one-level, two level measuring tank, water-oil separating by oil water separator
Can individually it be connected between device and one-level, two level measuring tank, between one-level measuring tank and two level measuring tank.
On each section of main pipeline and subtube for connecting overhead extraction pipeline, oil water separator, medial launder and measuring tank
It is all provided with stop valve.
The stop valve is electric check valve, and its control terminal connects control system respectively, passes through the connection between each stop valve
Dynamic realize produces cut to appointed part.
The overhead extraction pipeline, which leads on the main pipeline of measuring tank and medial launder, sets sight glass.
A kind of extraction method of rectifying column extraction structure, comprises the following steps：
1) when normally producing, cut is produced by multiple rectifying tower tops, now corresponds to the unlatching of the stop valve before oil water separator,
Stop valve on pipeline branch road is closed, and cut is adopted to corresponding oil water separator；
2) one-pot production or during smaller overhead extraction amount, the stop valve before corresponding oil water separator is closed, on pipeline branch road
Stop valve towards corresponding medial launder is all turned on, and other stop valves are closed on pipeline branch road, and cut is adopted to corresponding medial launder；
3) multitower produces and when needing to adopt cut to specified measuring tank, before corresponding oil water separator and towards specified metering
The stop valve of barrel road branch road is opened, and other stop valves are closed on pipeline branch road, and cut is gone to correspondingly through corresponding oil water separator
One-level measuring tank or two level measuring tank；Or the stop valve before corresponding oil water separator is closed, lead on pipeline branch road and specify metering
The stop valve of groove is opened, and other stop valves are closed on pipeline branch road, and cut is gone directly to specify one-level measuring tank by pipeline branch road
Or two level measuring tank；Into one-level measuring tank cut can also by open be corresponded on pipeline branch road thereafter stop valve go to it is specified
Two level measuring tank.
The stop valve that each extraction pipeline goes to each oil water separator, measuring tank and medial launder realizes linkage, in control room control
Control the order of each stop valve to open and close by control system after selection route on panel processed and complete cut extraction to appointed part.
Compared with prior art, the beneficial effects of the invention are as follows：
1) when one-pot produces, directly cut can be adopted to medial launder；
2) when multitower produces, the cut that certain tower produces can be made to enter the measuring tank specified；
3) when produced quantity is smaller, cut is not directly entered measuring tank by oil water separator, prevents cut from being mixed with water
Cause quality fluctuation.
4) realize that cut produces to appointed part automatically by control system.
Brief description of the drawings
Fig. 1 is the rectifying column extraction structural representation in traditional handicraft.
Fig. 2 is the structural representation of the embodiment of the present invention 1.
In figure：The two level of I/101~104. oil water separator, II/201~204. one-level measuring tank III/301~302. is measured
The sight glass of IV/1~30. stop valve of groove V
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
A kind of rectifying column extraction structure of the present invention, including several rectifying column tower tops produce pipeline, are located at overhead extraction pipeline
The oil water separator I of end and several measuring tanks II, III being connected by pipeline with overhead extraction pipeline and oil water separator I
And medial launder, the overhead extraction pipeline can be connected or are directly connected to medial launder or one-level, two level meter by oil water separator I
Between measuring tank II, III, oil water separator I and one-level, two level measuring tank II, III, one-level measuring tank II and two level measuring tank III it
Between can individually connect.
The connection overhead extraction pipeline, oil water separator I, medial launder and measuring tank II, III each section of main pipeline and point
Stop valve IV is all provided with pipeline.
The overhead extraction pipeline, which leads on the main pipeline of measuring tank II, III and medial launder, sets sight glass V.
A kind of extraction method of rectifying column extraction structure, comprises the following steps：
1) when normally producing, cut is produced by multiple rectifying tower tops, is now corresponded to the stop valve V before oil water separator I and is opened
Open, the stop valve V on pipeline branch road is closed, and cut is adopted to corresponding oil water separator I；
2) one-pot production or during smaller overhead extraction amount, the stop valve V before corresponding oil water separator I is closed, pipeline branch road
The upper stop valve V for leading to corresponding medial launder is all turned on, and other stop valves V are closed on pipeline branch road, and cut is adopted into correspondence
Between groove；
3) multitower produces and when needing to adopt cut to specified measuring tank II, III, before corresponding oil water separator I and towards finger
Devise a stratagem measuring tank II, the stop valve V of III pipeline branch road are opened, and other stop valves V are closed on pipeline branch road, and cut is through corresponding profit
Separator I goes to corresponding one-level measuring tank II or two level measuring tank III；Or the stop valve V before corresponding oil water separator I is closed,
On pipeline branch road lead to specify measuring tank II, III stop valve V open, other stop valves V are closed on pipeline branch road, cut by
Pipeline branch road goes directly to specify one-level measuring tank II or two level measuring tank III；Cut into one-level measuring tank II can also pass through
Unlatching corresponds to thereafter stop valve V and goes to specified two level measuring tank III on pipeline branch road.
Following examples are implemented under premised on technical solution of the present invention, give detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to following embodiments.Method therefor is such as without spy in following embodiments
It is conventional method not mentionlet alone bright.
【Embodiment 1】See Fig. 2, be the structural representation of the present embodiment, including 4 overhead extraction pipelines, oil water separators
101~104, one-level measuring tank 201~204, two level measuring tank 301~302.4 overhead extraction pipelines respectively by pipeline with
Oil water separator 101~104, one-level measuring tank 201~204, two level measuring tank 301~302 connect, and can also go in 1~5#
Between groove work 1~2# reactors.Sight glass V is equipped with the lateral of oil water separator 101~104, for observing liquid flow
Emotionally condition.
Each oil water separator I is all provided with pipeline branch road before inlet pipeline stop valve IV, such as the inlet tube of oil water separator 101
Before road stop valve 1, before the inlet pipeline stop valve 2 of oil water separator 102, before the inlet pipeline stop valve 3 of oil water separator 103
With pipeline branch road is equipped with before the inlet pipeline stop valve 4 of oil water separator 104, and the arrival end of pipeline branch road respectively sets stop valve
5~8, when stop valve 5~8 is closed, and any one or more in 1~4 are opened, the cut can extraction of corresponding rectifying column
Into corresponding oil water separator.
During such as one-pot production or smaller overhead extraction amount, cut need to be adopted to a certain medial launder, now correspond to oil water separator I
Preceding stop valve IV is closed, and the stop valve IV that corresponding medial launder is led on pipeline branch road is all turned on, other sections on pipeline branch road
Only valve IV is closed.Cut such as overhead extraction 1 will go to 3# medial launders, in the feelings of all Close Alls of stop valve IV of original state
Under condition, order opening stop valve 5 and 13；As overhead extraction 4 will go to 4# medial launders, in all stop valves IV of original state
In the case of Close All, order opening stop valve 8-20-19-18-17-16-15；The opening process of above stop valve IV can
Controlled by computer programming, only need to select beginning and end on control screen, the most short passing line of computer Automated Design,
By controlling the unlatching of each stop valve IV on route to realize, the orientation of cut produces.
Similarly, it is before corresponding oil water separator I and logical when multitower produces and needs to adopt cut to specified measuring tank II, III
Opened toward specified measuring tank II, the stop valve IV of III pipeline branch road, other stop valves IV are closed on pipeline branch road, and cut is through corresponding
Oil water separator I goes to corresponding one-level measuring tank II or two level measuring tank III；Cut such as overhead extraction 2 will go to two level metering
Groove 301, in the case of all Close Alls of stop valve IV of original state, order opening stop valve 2-10-21-25-29-30-
35-37.When cut needs directly to adopt corresponding measuring tank II, III without oil water separator I, corresponding oil water separator I
Preceding stop valve IV is closed, and is led on pipeline branch road and is specified the stop valve IV of measuring tank to open, other stop valves on pipeline branch road
IV is closed, and cut is gone directly to specify one-level measuring tank II or two level measuring tank III by pipeline branch road；Such as the cut of overhead extraction 3
Two level measuring tank 302 is gone to, in the case of all Close Alls of stop valve IV of original state, order opening stop valve 7-
23-27-31-35-38.
Above so that single column produces as an example, extraction process can be completed simultaneously by path planning when multitower produces, it is same
The cut of tower top can also produce to multiple measuring tanks, medial launder simultaneously, or adopt simultaneously into measuring tank, medial launder or reactor,
Using very flexible.
The pipeline that one-level measuring tank 201~204 picks out is respectively communicated with two level measuring tank 301~302 and 1#, 2# reactor,
One-level measuring tank II can also connect medial launder with two level measuring tank III by pipeline, and cut-off is equipped with every section of lateral
Valve IV, so, going out the cut of one-level measuring tank 201~204 can arbitrarily select concurrently or separately to enter one or two two level
Measuring tank 301,302, or it is directly entered 1#, 2# reactor or 1~5# medial launders.Cut such as one-level measuring tank 203 will be simultaneously
1# medial launders and 2# reactors are gone to, in the case of all Close Alls of stop valve IV of original state, stop valve 27-31=
34-36-39 orders are opened, while stop valve 32 is also opened, and divide two-way from 203 cut out, all the way through stop valve 27-31=
34-36-39 goes to 1# medial launders, goes to 2# reactors through stop valve 27-32 all the way.
Claims (6)
1. a kind of rectifying column produces structure, including several rectifying column tower tops extraction pipeline, the oil for being located at overhead extraction end of line
Separator and several measuring tanks and medial launder for being connected by pipeline with overhead extraction pipeline and oil water separator, its feature
It is, the overhead extraction pipeline can be connected or be directly connected to medial launder or one-level, two level measuring tank by oil water separator,
Can individually it be connected between oil water separator and one-level, two level measuring tank, between one-level measuring tank and two level measuring tank.
2. a kind of rectifying column extraction structure according to claim 1, it is characterised in that the overhead extraction pipeline, profit
Stop valve is all provided with each section of main pipeline and subtube between separator, medial launder and measuring tank.
3. a kind of rectifying column extraction structure according to claim 2, it is characterised in that the stop valve is electronic cut-off
Valve, its control terminal connect control system respectively, are realized by the linkage between each stop valve and produce cut to appointed part.
4. a kind of rectifying column extraction structure according to claim 1, it is characterised in that the overhead extraction pipeline leads to meter
Sight glass is set on the main pipeline of measuring tank and medial launder.
5. the extraction method of a kind of rectifying column extraction structure according to claim 1, it is characterised in that including following step
Suddenly：
1) when normally producing, cut is produced by multiple rectifying tower tops, now corresponds to the unlatching of the stop valve before oil water separator, pipeline
Stop valve on branch road is closed, and cut is adopted to corresponding oil water separator；
2) one-pot production or during smaller overhead extraction amount, the stop valve before corresponding oil water separator is closed, and is led on pipeline branch road
The stop valve of corresponding medial launder is all turned on, and other stop valves are closed on pipeline branch road, and cut is adopted to corresponding medial launder；
3) multitower produces and when needing to adopt cut to specified measuring tank, before corresponding oil water separator and towards specified metering barrel
The stop valve of road branch road is opened, and other stop valves are closed on pipeline branch road, and cut goes to corresponding one-level through corresponding oil water separator
Measuring tank or two level measuring tank；Or the stop valve before corresponding oil water separator is closed, lead on pipeline branch road and specify measuring tank
Stop valve is opened, and other stop valves are closed on pipeline branch road, and cut is gone directly to specify one-level measuring tank or two by pipeline branch road
Level measuring tank；Cut into one-level measuring tank can also correspond to thereafter stop valve and go to specified two level by opening on pipeline branch road
Measuring tank.
6. the extraction method of a kind of rectifying column extraction structure according to claim 5, it is characterised in that each extraction pipeline is gone
Toward each oil water separator, measuring tank and medial launder stop valve realize linkage, on control room control panel select route after by
Control system controls the order of each stop valve to open and close completion cut extraction and arrives appointed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510050552.8A CN105983245B (en) | 2015-01-30 | 2015-01-30 | A kind of rectifying column extraction structure and extraction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510050552.8A CN105983245B (en) | 2015-01-30 | 2015-01-30 | A kind of rectifying column extraction structure and extraction method |
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| Publication Number | Publication Date |
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| CN105983245A CN105983245A (en) | 2016-10-05 |
| CN105983245B true CN105983245B (en) | 2018-01-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454887A (en) * | 2002-05-01 | 2003-11-12 | 罗姆和哈斯公司 | Method for preparing high-purity methyl-propenoic acid |
| CN201279398Y (en) * | 2008-10-09 | 2009-07-29 | 上海宝钢化工有限公司 | Rectifier |
| CN102058993A (en) * | 2010-12-01 | 2011-05-18 | 天津凯赛特科技有限公司 | Extractive rectification system for coked pure benzene or pure benzene containing sulfur and refining method thereof |
| CN102180791A (en) * | 2011-04-13 | 2011-09-14 | 天津大学 | Method for separating methyl acetate-methanol mixture by ionic liquid intermittent extractive rectification |
| FR3006206A1 (en) * | 2013-05-30 | 2014-12-05 | China Petroleum & Chemical | APPARATUS FOR PRODUCING DICUMYL PEROXIDE AND METHOD FOR PRODUCING THE SAME |
-
2015
- 2015-01-30 CN CN201510050552.8A patent/CN105983245B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454887A (en) * | 2002-05-01 | 2003-11-12 | 罗姆和哈斯公司 | Method for preparing high-purity methyl-propenoic acid |
| CN201279398Y (en) * | 2008-10-09 | 2009-07-29 | 上海宝钢化工有限公司 | Rectifier |
| CN102058993A (en) * | 2010-12-01 | 2011-05-18 | 天津凯赛特科技有限公司 | Extractive rectification system for coked pure benzene or pure benzene containing sulfur and refining method thereof |
| CN102180791A (en) * | 2011-04-13 | 2011-09-14 | 天津大学 | Method for separating methyl acetate-methanol mixture by ionic liquid intermittent extractive rectification |
| FR3006206A1 (en) * | 2013-05-30 | 2014-12-05 | China Petroleum & Chemical | APPARATUS FOR PRODUCING DICUMYL PEROXIDE AND METHOD FOR PRODUCING THE SAME |
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| Publication number | Publication date |
|---|---|
| CN105983245A (en) | 2016-10-05 |
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Effective date of registration: 20210827 Address after: 114000 Angang Xiaodongmen, Lishan District, Anshan City, Liaoning Province Patentee after: Anshan Chemical Technology Co.,Ltd. Address before: 114000 No. 1 ring steel road, Tiexi District, Liaoning, Anshan Patentee before: ANGANG STEEL Co.,Ltd. |