CN109647005A - Hybrid technique and device before a kind of dephenolize washing pump - Google Patents
Hybrid technique and device before a kind of dephenolize washing pump Download PDFInfo
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- CN109647005A CN109647005A CN201910025857.1A CN201910025857A CN109647005A CN 109647005 A CN109647005 A CN 109647005A CN 201910025857 A CN201910025857 A CN 201910025857A CN 109647005 A CN109647005 A CN 109647005A
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- pump
- knockout tower
- washing
- tower
- dephenolize
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0217—Separation of non-miscible liquids by centrifugal force
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The present invention relates to hybrid technique and devices before a kind of dephenolize washing pump, including mix part delivery pump, once connect wash knockout tower, pump is washed by a dephenolize dashpot, secondary company, knockout tower, adding base groove, alkali pump, discharge record instrument, proportion adjustment discharge record control instrument, liquid level recorder control instrument and oil-water separation interface recording controller table are washed by alkaline phenol sodium slot, alkaline phenol sodium pump, secondary company.The beneficial effect is that: by improving separation tower structure and separation principle, grease settle and separate mobilism, emulsion can be improved comprehensively, the tower kinetic energy that enters of need oil water mixture to be separated is become advantageous centrifugal force, improve the efficiency of water-oil separating, clearly oil-water separation interface makes water-oil separating operation have specific operation index, stable operation, automatization level are high, good separating effect, stable product quality.
Description
Technical field
The present invention relates to the tarry distillate dephenolizing process of metallurgical coking technical field, more particularly to a kind of dephenolize washing pump
Preceding hybrid technique and device.
Background technique
Metallurgical coking industry, the carbolic oil cut to tar distillation, naphtalene oil and wash oil fraction are usually with 12% concentration
NaOH solution carry out phenol extraction, i.e. carbolic oil, naphtalene oil and washing oil tri-mixed fractions after being mixed with the NaOH solution of 12% concentration, wherein
Phenol can react with alkali, generate and be dissolved in the sodium phenolate of water, by standing, part can be mixed with dephenolize and carries out water-oil separating, this
A process is referred to as dephenolize washing.Currently, common dephenolize washing process is divided into before pump mixing and to two kind of spray formula, pump therein
Preceding hybrid technique, using the water-oil separating for even washing knockout tower progress fraction, keeping oil-water separation interface constant is disintegrate-quality effect
The key of fruit quality and separative efficiency height.There is following defects for the technique:
1) existing company washes knockout tower and generally uses the upright void tower of drum type brake (hollow structure), carbolic oil, naphtalene oil and washing oil three
Mixed fraction and alkaline phenol sodium once connect wash pump before mixed, entered in the middle part of knockout tower after pump stirring by even washing, due to mixing
It closes fraction and has certain kinetic energy, even washing in the middle part of knockout tower the turbosphere for forming certain altitude, also referred to as emulsion layer, therefore grease
It is difficult to stand and is separated, and upper and lower fluid column is had an impact, therefore without specific oil-water separation interface, that is to say, that it is existing
There is design, oil-water separation interface can not find at all, not there is this separating interface in other words, therefore, the outlet of neutral phenol sodium
The flowing full height of pipeline (oil export) can only grope by scene, and operation difficulty is big；
2) due to not specific oil-water separation interface, so automatization level is low, fluctuation of service；
3) inferior separating effect, unstable product quality.
Summary of the invention
To overcome prior art defect, the technical problem to be solved by the present invention is to provide hybrid techniques before a kind of dephenolize washing pump
And device, tower structure and separation principle are separated by improving, grease settle and separate mobilism, emulsion can be improved comprehensively,
It needs the tower kinetic energy that enters of oil water mixture to be separated to become advantageous centrifugal force, improves the efficiency of water-oil separating, clearly grease
Separating interface makes water-oil separating operation have specific operation index, and stable operation, automatization level are high, good separating effect,
Stable product quality.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
Hybrid technique device before a kind of dephenolize washing pump, including mix part delivery pump, once connect and wash knockout tower, a dephenolize
Dashpot, secondary company wash pump, knockout tower, adding base groove, alkali pump, flow registering instrument are washed by alkaline phenol sodium slot, alkaline phenol sodium pump, secondary company
Table, proportion adjustment discharge record control instrument, liquid level recorder control instrument and oil-water separation interface recording controller table, feature
Be, it is described once connect to wash in the middle part of knockout tower be equipped with grease entrance and connect with mixing part delivery pump, lower part is equipped with water out, top
Pump is washed with a dephenolize dashpot, secondary company equipped with oil export, secondary company washes the grease entrance being equipped in the middle part of knockout tower and successively connects
It connects；The secondary company washes the water out that knockout tower lower part is equipped with and connect with alkaline phenol sodium groove top portion, alkaline phenol sodium trench bottom and alkali
Property phenol sodium pump connection after access mixing part delivery pump before not washing mixing part pipeline on；The secondary company washes knockout tower top and is equipped with
Oil export；The adding base groove accesses secondary company and washes on pump preceding pipeline after connecting with alkali pump；The discharge record instrument is arranged not
Wash on mixing part pipeline, proportion adjustment discharge record control instrument is arranged after alkali pump on pipeline, the two respectively with its pipeline valve
Door chain control, while chain control between the two；The liquid level recorder control instrument is two pieces, and one piece is arranged in a dephenolize
Knockout tower grease entrance early gate chain control is washed on dashpot and with secondary company；Another piece be arranged on alkaline phenol sodium slot and with
Alkaline phenol sodium pump late gate chain control；The oil-water separation interface recording controller table is two pieces, and one piece of setting is once connecting
Wash on knockout tower and with its water out valve chain control, another piece of setting secondary company wash on knockout tower and with its water out valve
Door chain control.
It is described once connect wash knockout tower be vertical cylinder structure, by tower body, grease entrance, water out, oil export and partition
Composition, wherein partition is several, is uniformly arranged on the circumference on tower body top, and tower body is divided into top static separation area under
Dynamic Separation area, portion, grease entrance are arranged in the middle part of tower body and are in arranged tangential with tower body outer wall, and water out is arranged at tower body bottom
Portion and with tower body outer wall in tangentially-arranged, oil export is arranged on tower body top.
It is identical as the structure type of washing knockout tower is once connected that knockout tower is washed by the secondary company.
Hybrid technique before a kind of dephenolize washing pump, comprising the following steps:
Mixing part is not washed mixed part delivery pump revolve from once connecting the grease entrance for washing knockout tower and tangentially enter tower body high speed
Turn, due to the difference of grease specific gravity, according to centrifugal principle, sodium phenolate solution is outside, moves down, and dephenolize mixes part inwardly, upwards
It is mobile；
1) inwardly, the dephenolize that moves up mix part by several spacers blocks, the rotation function that it flows up of decaying,
Once connect to wash after the separation of knockout tower top static separation area and enter dephenolize dashpot from oil export, with conveyed by alkali pump
It pump washed by secondary company after lye mixing is transported to secondary company and washes knockout tower and carry out secondary separation, the alkaline phenol sodium obtained after washing is molten
Liquid is washed knockout tower tower body bottom water out from secondary company and is tangentially produced into alkaline phenol sodium slot, is transported to mixing by alkaline phenol sodium pump
Mixing part pipeline is not washed before part delivery pump, washes knockout tower circulation washing with not washing to mix to be again introduced into once to connect after part mixes,
The oil export outflow washed mixing part and washed knockout tower tower body top from secondary company obtained after washing；
2) sodium phenolate solution that is outside, moving down is rotated down outward along tower body outer wall high speed, washs in obtaining after separating
Property sodium phenolate solution wash knockout tower tower body bottom water out slipstream and go out from once connecting；
3) mixing part flow is not washed in the control of discharge record instrument, and liquid level recorder regulation meter controls mixed alkaline phenol
The flow of sodium solution is mixed before mixing part delivery pump, is entered once to connect after agitated and is washed knockout tower and carry out standing grease
Separation, bottom obtain the neutral phenol sodium product after dephenolize washing, and discharge is controlled by oil-water separation interface recorder controller table；
Once connect mixing part (flow is controlled by liquid level recorder regulation meter) after washing separation column once washing and 10%NaOH is molten
Liquid (additional amount is compared by discharge record instrument and proportion adjustment discharge record control instrument, proportion adjustment control) is in secondary company
It washes before pump intake after mixing to enter secondary company and wash knockout tower and carries out secondary dephenolize washing, tower body bottom obtains alkaline phenol sodium, flows
Output is controlled by oil-water separation interface recorder controller table.
Compared with prior art, the beneficial effects of the present invention are:
1) separation tower structure and separation principle are improved, using the vertical knockout tower of drum type brake, the installation of knockout tower upper portion side wall
Vertical knockout tower is functionally divided into upper and lower Liang Ge water-oil separating area by a certain number of equidistant vertical partitions, above
It is below rotation Dynamic Separation area for static water-oil separating area；
2) entire technique uses instrument for automatic control, by oil-water separation interface measure centered on carry out automatic control；
3) stable operation, automatization level are high, good separating effect, stable product quality.
Detailed description of the invention
Fig. 1 is process flow diagram of the invention；
Fig. 2 is the structural principle schematic front view that the present invention even washes knockout tower；
Fig. 3 is the structural principle diagrammatic top view that the present invention even washes knockout tower.
In figure: 1-, which mixes part delivery pump 2- and once connects, washes knockout tower 21- tower body 22- grease entrance 23- water out
Pump 5- alkalinity phenol sodium slot 6- alkalinity phenol sodium pump 7- washes in bis- companies of dephenolize dashpot 4- of 24- oil export 25- partition 3-
Knockout tower 8- adding base groove 9- alkali pump FRC- discharge record instrument FFRC- proportion adjustment discharge record control instrument is washed by secondary company
LRC01/LRC02- liquid level recorder control instrument LDRC01/LDRC02- oil-water separation interface recording controller table
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
As shown in Fig. 1-Fig. 3, hybrid technique device before a kind of dephenolize washing pump of the present invention, including mix part conveying
Pump 1, once connect wash 2, dephenolize dashpots 3 of knockout tower, pump 4 is washed by secondary company, alkaline phenol sodium slot 5, alkaline phenol sodium pump 6, secondary
Knockout tower 7, adding base groove 8, alkali pump 9, discharge record instrument FRC, proportion adjustment discharge record control instrument FFRC, liquid level note are washed by company
Record control instrument LRC01/LRC02 and oil-water separation interface recording controller table LDRC01/LDRC02, it is described once connect wash separation
It is equipped with grease entrance in the middle part of tower 2 to connect with part delivery pump 1 is mixed, lower part is equipped with water out, and top is equipped with oil export and takes off with primary
Phenol dashpot 3, secondary company wash pump 4, secondary company washes the grease entrance being equipped in the middle part of knockout tower 7 and is sequentially connected；The secondary company washes
It the water out that 7 lower part of knockout tower is equipped with and is connected at the top of alkaline phenol sodium slot 5, alkaline 5 bottom of phenol sodium slot is connect with alkalinity phenol sodium pump 6
Not washing on mixing part pipeline before access mixing part delivery pump 1 afterwards；7 top of knockout tower is washed equipped with oil export by the secondary company；Institute
State accessed after adding base groove 8 is connect with alkali pump 9 secondary company wash pump 4 preceding pipelines on；Discharge record instrument FRC setting do not wash it is mixed
Close on part pipeline, proportion adjustment discharge record control instrument FFRC is arranged after alkali pump 9 on pipeline, the two respectively with its pipeline valve
Door chain control, while chain control between the two；The liquid level recorder control instrument LRC01/LRC02 is two pieces, one piece
(LRC01) it is arranged on a dephenolize dashpot 3 and washes 7 grease entrance early gate chain control of knockout tower with secondary company；It is another
Block (LRC02) be arranged on alkaline phenol sodium slot 5 and with alkaline 6 late gate chain control of phenol sodium pump；The oil-water separation interface note
Record control instrument LDRC01/LDRC02 be two pieces, one piece (LDRC01) setting once connect wash on knockout tower 2 and with its water out
Valve chain control, another piece (LDRC02) setting secondary company wash on knockout tower 7 and with its water out valve chain control.
It is described once connect wash knockout tower 2 be vertical cylinder structure, by tower body 21, grease entrance 22, water out 23, oil export
24 and partition 25 form, wherein partition 25 be several, be uniformly arranged on the circumference on 21 top of tower body, tower body 21 be divided into
Static separation area, portion and lower part Dynamic Separation area, the setting of grease entrance 22 are in tangential cloth at 21 middle part of tower body and with 21 outer wall of tower body
Set, the setting of water out (neutral phenol sodium) 23 21 bottom of tower body and with 21 outer wall of tower body in tangentially-arranged, oil export (has washed mixing
Part) 24 be arranged on 21 top of tower body.
It is identical as the structure type of washing knockout tower 2 is once connected that knockout tower 7 is washed by the secondary company.
Hybrid technique before a kind of dephenolize washing pump, comprising the following steps:
Mixing part is not washed is mixed part delivery pump 1 from the grease entrance 22 for washing knockout tower 2 is once connected tangentially into tower body 21
High speed rotation, due to the difference of grease specific gravity, according to centrifugal principle, sodium phenolate solution outward, move down, dephenolize mix part to
It is interior, move up；
1) inwardly, the dephenolize that moves up mix part and stopped by several partitions 25, the rotation function that it flows up of decaying,
Stablize so that water-oil separating state in top is stood, washes after 2 top static separation area of knockout tower separates once connecting from oil export 24
Into a dephenolize dashpot 3, after mixing with the lye conveyed by alkali pump 9 pump 4 is washed by secondary company and be transported to secondary company and washed point
Secondary separation is carried out from tower 7, it is tangential that the alkaline sodium phenolate solution obtained after washing from secondary company washes 7 tower body bottom water out of knockout tower
Extraction enters alkaline phenol sodium slot 5, is transported to before mixing part delivery pump 1 by alkaline phenol sodium pump 6 and not washing mixing part pipeline, and does not wash
It is again introduced into once to connect after mixing part mixing and washes the circulation washing of knockout tower 2, the mixing part of having washed obtained after washing is washed from secondary company
Oil export (the having washed mixing part) outflow on 7 top of knockout tower tower body, belongs to flowing full mouth；
2) outward, the sodium phenolate solution that moves down, along 21 outer wall of tower body high speed outward, be rotated down, after washing separation
It washes 2 tower body bottom water out slipstream of knockout tower to neutral sodium phenolate solution from once connecting and goes out；
3) mixing part flow is not washed in discharge record instrument FRC control, and liquid level recorder regulation meter LRC02 control is mixed
Alkaline sodium phenolate solution flow, mixed before mixing part delivery pump 1, it is agitated after enter once connect wash knockout tower 2 into
Row stands water-oil separating, and bottom obtains the neutral phenol sodium product after dephenolize washing, and discharge is recorded by oil-water separation interface and adjusted
Save instrument LDRC01 control；Once connecting mixing part after washing 2 top once washing of knockout tower, (flow is by liquid level recorder regulation meter
LRC01 control) (additional amount passes through discharge record instrument FRC and proportion adjustment discharge record control instrument with 10%NaOH solution
FFRC comparison, proportion adjustment control) enter after being mixed before 4 entrances of pump are washed by secondary company secondary company wash knockout tower 7 carry out it is secondary de-
Phenol washing, tower body bottom obtain alkaline phenol sodium, and discharge is controlled by oil-water separation interface recorder controller table LDRC01, top
Mixing part has been washed, has been sent to commercial naphthalene workshop section as raw material, technique entire in this way can be carried out Automatic Control.
Claims (3)
1. hybrid technique device before a kind of dephenolize washing pump, including mixes part delivery pump, once connects that wash knockout tower, a dephenolize slow
Jet-bedding, secondary company wash pump, knockout tower, adding base groove, alkali pump, flow registering instrument are washed by alkaline phenol sodium slot, alkaline phenol sodium pump, secondary company
Table, proportion adjustment discharge record control instrument, liquid level recorder control instrument and oil-water separation interface recording controller table, feature
Be, it is described once connect to wash in the middle part of knockout tower be equipped with grease entrance and connect with mixing part delivery pump, lower part is equipped with water out, top
Pump is washed with a dephenolize dashpot, secondary company equipped with oil export, secondary company washes the grease entrance being equipped in the middle part of knockout tower and successively connects
It connects；The secondary company washes the water out that knockout tower lower part is equipped with and connect with alkaline phenol sodium groove top portion, alkaline phenol sodium trench bottom and alkali
Property phenol sodium pump connection after access mixing part delivery pump before not washing mixing part pipeline on；The secondary company washes knockout tower top and is equipped with
Oil export；The adding base groove accesses secondary company and washes on pump preceding pipeline after connecting with alkali pump；The discharge record instrument is arranged not
Wash on mixing part pipeline, proportion adjustment discharge record control instrument is arranged after alkali pump on pipeline, the two respectively with its pipeline valve
Door chain control, while chain control between the two；The liquid level recorder control instrument is two pieces, and one piece is arranged in a dephenolize
Knockout tower grease entrance early gate chain control is washed on dashpot and with secondary company；Another piece be arranged on alkaline phenol sodium slot and with
Alkaline phenol sodium pump late gate chain control；The oil-water separation interface recording controller table is two pieces, and one piece of setting is once connecting
Wash on knockout tower and with its water out valve chain control, another piece of setting secondary company wash on knockout tower and with its water out valve
Door chain control.
2. hybrid technique device before a kind of dephenolize washing pump according to claim 1, which is characterized in that described once to connect and wash
Knockout tower is vertical cylinder structure, is made of tower body, grease entrance, water out, oil export and partition, and wherein partition is several
It is a, it is uniformly arranged on the circumference on tower body top, tower body is divided into top static separation area and lower part Dynamic Separation area, grease enters
Mouth is arranged in the middle part of tower body and is in arranged tangential with tower body outer wall, and water out setting is in tangentially in tower body bottom and with tower body outer wall
Setting, oil export are arranged on tower body top.
3. realizing hybrid technique before a kind of dephenolize washing pump described in claim 1, which comprises the following steps:
Mixing part is not washed mixed part delivery pump tangentially enter tower body high speed rotation from the grease entrance for washing knockout tower is once connected, by
In the difference of grease specific gravity, according to centrifugal principle, sodium phenolate solution outward, move down, dephenolize mix part inwardly, move up；
1) inwardly, the dephenolize that moves up mix part by several spacers blocks, the rotation function that it flows up of decaying, primary
Company, which washes after the separation of knockout tower top static separation area, enters a dephenolize dashpot from oil export, with the lye that is conveyed by alkali pump
After mixing by secondary company wash pump be transported to secondary company wash knockout tower carry out secondary separation, the alkaline sodium phenolate solution obtained after washing from
Secondary company washes knockout tower tower body bottom water out and tangentially produces into alkaline phenol sodium slot, and it is defeated to be transported to mixing part by alkaline phenol sodium pump
It send and not washing mixing part pipeline before pumping, wash knockout tower circulation washing, washing with not washing to mix to be again introduced into once to connect after part mixes
The oil export outflow washed mixing part and washed knockout tower tower body top from secondary company obtained afterwards；
2) sodium phenolate solution that is outside, moving down is rotated down outward along tower body outer wall high speed, obtains neutral phenol after washing separation
Sodium solution is washed knockout tower tower body bottom water out slipstream and is gone out from once connecting；
3) mixing part flow is not washed in the control of discharge record instrument, and it is molten that liquid level recorder regulation meter controls mixed alkaline phenol sodium
The flow of liquid is mixed before mixing part delivery pump, is entered once to connect after agitated and is washed knockout tower and carry out standing water-oil separating,
Bottom obtains the neutral phenol sodium product after dephenolize washing, and discharge is controlled by oil-water separation interface recorder controller table；Once
Connect mixing part (flow is controlled by liquid level recorder regulation meter) after washing separation column once washing (to add with 10%NaOH solution
Enter amount to compare by discharge record instrument and proportion adjustment discharge record control instrument, proportion adjustment control) pump is washed in secondary company
Enter secondary company after mixing before entrance and wash the secondary dephenolize washing of knockout tower progress, tower body bottom obtains alkaline phenol sodium, discharge
It is controlled by oil-water separation interface recorder controller table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910025857.1A CN109647005B (en) | 2019-01-11 | 2019-01-11 | Pre-mixing process and device for dephenolization washing pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910025857.1A CN109647005B (en) | 2019-01-11 | 2019-01-11 | Pre-mixing process and device for dephenolization washing pump |
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| CN109647005A true CN109647005A (en) | 2019-04-19 |
| CN109647005B CN109647005B (en) | 2023-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112939746A (en) * | 2021-02-04 | 2021-06-11 | 中冶焦耐(大连)工程技术有限公司 | Pre-pump mixing tower type continuous washing dephenolizing process |
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