CN114426869A - Top-reducing oil-water separation tank - Google Patents
Top-reducing oil-water separation tank Download PDFInfo
- Publication number
- CN114426869A CN114426869A CN202010996084.4A CN202010996084A CN114426869A CN 114426869 A CN114426869 A CN 114426869A CN 202010996084 A CN202010996084 A CN 202010996084A CN 114426869 A CN114426869 A CN 114426869A
- Authority
- CN
- China
- Prior art keywords
- oil
- plate
- horizontal cylinder
- water separation
- pipe
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/02—Dewatering or demulsification of hydrocarbon oils with electrical or magnetic means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
- C10G31/10—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for with the aid of centrifugal force
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/06—Dewatering or demulsification of hydrocarbon oils with mechanical means, e.g. by filtration
Abstract
The invention discloses a top-reducing oil-water separation tank which comprises a horizontal cylinder, a vertical cylinder, an electrostatic coalescence unit and a transformer, wherein a weir plate is vertically arranged on the right side in the horizontal cylinder, the vertical cylinder is vertically inserted into the left side of the horizontal cylinder, the electrostatic coalescence unit is positioned in the horizontal cylinder between the vertical cylinder and the weir plate, the electrostatic coalescence unit comprises a plurality of corrugated electrode plates which are arranged in parallel along the front-back direction, a flow channel is formed between every two adjacent corrugated electrode plates, a liquid distribution member is arranged at the bottom of the vertical cylinder, an upper tube plate and a lower tube plate are sequentially and horizontally arranged in the vertical cylinder from top to bottom, a cyclone tube is vertically and fixedly arranged on the lower tube plate, and a cyclone exhaust pipe is arranged at the top of the cyclone tube. The invention can realize three-stage separation of oil, gas and water, greatly simplify the separation process and realize intensive separation.
Description
Technical Field
The invention relates to the technical field of pressure reduction tower systems of atmospheric and vacuum distillation units in the oil refining industry, in particular to a top reduction oil-water separation tank.
Background
As the oil field exploitation gradually enters the middle and later stages, the water content of crude oil is increased rapidly, and meanwhile, the emulsification of the crude oil is aggravated by the wide application of tertiary oil recovery technologies such as chemical flooding and the like, and the high-emulsified crude oil enters an atmospheric and vacuum device in a refinery, so that the emulsification of various equipment on the top of a vacuum tower is serious. At present, a reduced-roof oil-water separation tank in a refinery mainly absorbs reduced-roof oil from each evacuated condenser, partial reduced-roof gas and sulfur-containing sewage, separates oil, gas and water into three phases, and respectively discharges the three phases to a reduced-roof oil pump, a reduced-roof drainage pump and non-condensable gas skid-mounted equipment.
CN210473134U discloses a high-efficient oil water separator for chemical industry. The oil-water separator is of a tank-type hollow structure, a separation channel coated with a hydrophobic membrane, a physical partition plate and a novel liquid level floating plate are arranged inside the oil-water separator, and an oil phase discharge port and a water phase discharge port are respectively arranged at the bottom of the tank. By arranging the hydrophobic film layer, the rapid separation of oil and water is realized in the separation channel, and the oil-water separation time is shortened; the novel air bag floating plate is adopted, the oil-water separation liquid level floating plate with adjustable density is designed, and the separation of an oil phase and a water phase is efficiently promoted. But has the following disadvantages: physical separation is carried out only through the separation channel coated with the hydrophobic membrane and the liquid level floating plate, the technical advantages of electrostatic coalescence separation and cyclone separation are not utilized in a combined mode, and the application range is narrow.
CN111349455A A method for operating a multistage oil-water separation tank with intelligent pulse electrostatic coalescence electrode, the amount of high water content crude oil in the oil-water separation chamber is increased continuously to make the liquid level rise continuously, the liquid level of the high water content crude oil is made to enter into the first stage electrostatic coalescence oil-water separation zone, the second stage electrostatic coalescence oil-water separation zone, the third stage electrostatic coalescence oil-water separation zone, the fourth stage electrostatic coalescence oil-water separation zone, the fifth stage electrostatic coalescence oil-water separation zone in turn, the charge on the first insulation electrode and the second insulation electrode is adjusted by the controller to control the electrostatic field capacity of each zone, the water drops in the water content crude oil are polarized and deformed by the action of the electrostatic field after the water content crude oil enters into the electrostatic field, the small water drops are coalesced into big water drops to settle downwards, and the water content of the separated crude oil is ensured to be greatly reduced. But has the following disadvantages: oil-water separation is carried out only through multi-stage electrostatic coalescence, the technical advantages of gravity settling and cyclone separation are not utilized, in addition, the removal of associated gas carried by equipment such as a plate heat exchanger, an electric desalting tank and the like in the prior process flow is not considered, and the application range is narrow.
From top to bottom, the inner structure of current topping oil water knockout drum is not good to high emulsified crude oil deoiling effect, and at the pressure reducing tower top, the velocity of flow of profit is very fast, and the interface is fuzzy hardly thoroughly separates, and then causes the loss of topping oil easily, and in addition, water oil separating is inefficient, and the mixed medium gets into in the follow-up process flow, brings certain potential safety hazard for sour water stripping device and hydrogenation equipment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a reduced-roof oil-water separation tank, wherein an electrostatic coalescence separation module in a gathering process is arranged in an oil-water separation tank at the top of a vacuum tower, so that the efficient separation of all components at the top of the vacuum tower is ensured; in addition, by cyclone separation, the reduced-overhead gas can be thoroughly separated from the liquid phase, and the process optimization and stable operation of subsequent non-condensable gas skid-mounted equipment are facilitated.
In order to realize the purpose, the invention provides a reduced-ceiling oil-water separation tank, which adopts the technical scheme that:
the utility model provides a subtract top oil water knockout drum, includes horizontal barrel, its characterized in that: the top-reducing oil-water separation tank also comprises a vertical cylinder, an electrostatic coalescence unit and a transformer, wherein a weir plate is vertically arranged at the bottom of the horizontal cylinder on the right side in the horizontal cylinder, a water outlet is arranged at the bottom of the horizontal cylinder on the left side of the weir plate, an oil outlet is arranged at the bottom of the horizontal cylinder on the right side of the weir plate, the vertical cylinder is vertically inserted into the left side of the horizontal cylinder, the electrostatic coalescence unit is positioned in the horizontal cylinder between the vertical cylinder and the weir plate, the electrostatic coalescence unit is electrically connected with the transformer through a high-voltage cable and a second low-voltage cable, a liquid distribution member is arranged at the bottom of the vertical cylinder, liquid distribution holes are formed in the side surface and the bottom surface of the liquid distribution member, a first gas outlet pipe is arranged at the top of the vertical cylinder, an upper pipe plate and a lower pipe plate are sequentially and horizontally arranged in the vertical cylinder from top to bottom, and an inlet pipe is arranged on the side wall of the vertical cylinder between the upper pipe plate and the lower pipe plate, the utility model discloses an electrostatic coalescence unit, including pipe plate, upper tube plate, lower tube plate, vertical fixed a plurality of vortex pipes that are provided with down on the pipe plate, the top of vortex pipe is provided with the whirl blast pipe, the bottom of whirl pipe is inserted to the lower extreme of whirl blast pipe, the upper end of whirl blast pipe run through the upper tube plate and with upper tube plate fixed connection, electrostatic coalescence unit includes a plurality of ripple electrode boards along fore-and-aft direction parallel arrangement, forms the runner between the adjacent ripple electrode board.
The top-reducing oil-water separation tank is characterized in that the liquid distribution member is preferably cylindrical, and the liquid distribution hole is a circular hole.
According to the reduced-roof oil-water separation tank, the transformer is preferably arranged inside the horizontal cylinder and arranged on the right side of the weir plate; when the transformer is arranged inside the horizontal cylinder, a cable lead hole is formed in the right end of the horizontal cylinder, the transformer is connected into a low-voltage cable through the cable lead hole, and the transformer is fixedly connected with the inner wall of the horizontal cylinder through a suspension insulator.
According to the reduced-roof oil-water separation tank, the front end and the rear end of the electrostatic coalescence unit are fixedly connected with the inner wall of the horizontal cylinder.
According to the top-reducing oil-water separation tank, the corrugated plate coalescer and the wire mesh mist catcher are preferably arranged in the vertical cylinder at the upper part of the upper tube plate from bottom to top in sequence.
According to the reduced-ceiling oil-water separation tank, the bottom of the cyclone tube is preferably in a conical surface structure with a thick upper part and a thin lower part.
The top-reducing oil-water separation tank is characterized in that two tangential inlets which are centrosymmetric and tangent to a cyclone tube barrel are preferably arranged at the upper part of the cyclone tube, a flow passage of each tangential inlet is of a streamline structure, and the cross section of each tangential inlet is of a tapered structure.
According to the top-reducing oil-water separation tank, a mist catcher is preferably arranged at the upper part of the right side of the horizontal cylinder, a second gas outlet pipe is arranged at the upper part of the mist catcher, and the first gas outlet pipe is communicated with the second gas outlet pipe.
According to the oil-water separation tank with the reduced oil content, the electrostatic coalescence unit is preferably formed by pouring epoxy resin.
The invention is mainly used for the decompression tower top of the atmospheric and vacuum distillation unit, and has the following beneficial effects compared with the prior art:
(1) according to the reduced-roof oil-water separation tank, three-stage separation of oil, gas and water is realized through the vertical cylinder, the horizontal cylinder and the electrostatic coalescence unit, so that on one hand, the separation process is greatly simplified, and intensive separation is realized; meanwhile, the flow channel in the electrostatic coalescence unit adopts a curved surface corrugated channel design, the collision probability of dispersed phase water drops is increased by utilizing a shallow pool theory and a turbulent flow pulsation effect, the hydraulic retention time can be obviously shortened on the premise of ensuring the oil-water separation efficiency, and the flow channel also has a rectification effect; the corrugated electrode plates are vertically arranged in parallel front and back, a non-uniform high-voltage electric field is generated in the flow channel, the coalescence of dispersed phase water drops is enhanced by utilizing the dielectrophoresis phenomenon, and the oil-water separation efficiency is improved.
(2) According to the reduced-roof oil-water separation tank, the plurality of cyclone tubes are arranged in the vertical cylinder body, degassing is performed in a cyclone separation mode, and fog drops contained in a gas phase separated by cyclone are preferably removed for the second time through the corrugated plate coalescer and the wire mesh mist catcher, so that the separation effect is further improved, and the effect of efficient degassing is achieved.
The invention is described in further detail below with reference to the figures and the detailed description, without limiting the scope of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a reduced-head oil-water separation tank according to the present invention;
FIG. 2 is a schematic perspective view of a cyclone in a reduced-head oil-water separator tank according to the present invention;
3 FIG. 3 3 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 2 3; 3
FIG. 4 is a schematic top view of the electrostatic coalescing unit in a reduced-head de-oiler tank of the present invention.
The reference symbols shown in the figures are:
1-horizontal cylinder, 101-weir plate, 102-water outlet, 103-oil outlet, 104-cable lead hole, 105-mist catcher, 106-second gas outlet pipe;
2-vertical cylinder, 201-upper tube plate, 202-lower tube plate, 203-inlet tube, 204-corrugated plate coalescer, 205-wire mesh mist catcher, 206-cyclone tube, 2061-tangential inlet, 207-cyclone exhaust tube, 208-liquid distribution member, 209-liquid distribution hole, 210-first gas outlet tube;
3-electrostatic coalescence unit, 301-corrugated electrode plate, 302-flow channel;
5-transformer, 501-suspension insulator, 502-low voltage cable, 503-high voltage cable, 504-second low voltage cable.
Detailed Description
As shown in fig. 1, the reduced-ceiling oil-water separation tank of the invention comprises a horizontal cylinder 1, a vertical cylinder 2, an electrostatic coalescence unit 3 and a transformer 5, wherein a weir plate 101 is vertically arranged at the bottom of the horizontal cylinder 1 at the right side inside the horizontal cylinder 1, a water outlet 102 is arranged at the bottom of the horizontal cylinder 1 at the left side of the weir plate 101, an oil outlet 103 is arranged at the bottom of the horizontal cylinder 1 at the right side of the weir plate 101, the vertical cylinder 2 is vertically inserted into the left side of the horizontal cylinder 1, the electrostatic coalescence unit 3 is arranged inside the horizontal cylinder 1 between the vertical cylinder 2 and the weir plate 101, the electrostatic coalescence unit 3 and the transformer 5 are electrically connected through a high-voltage cable 503 and a second low-voltage cable 504, a liquid distribution member 208 is arranged at the bottom of the vertical cylinder 2, liquid distribution holes 209 are arranged at the side surface and the bottom surface of the liquid distribution member 208, a first gas outlet pipe 210 is arranged at the top of the vertical cylinder 2, an upper pipe plate 201 and a lower pipe plate 202 are horizontally arranged in the vertical cylinder 2 from top to bottom, go up and be provided with inlet tube 203 on 2 lateral walls of vertical barrel between tube sheet 201 and the lower tube sheet 202, vertical fixed a plurality of cyclone tubes 206 that are provided with on tube sheet 202 down, as shown in fig. 2, cyclone tube 206's top is provided with whirl blast pipe 207, cyclone blast pipe 207's lower extreme inserts cyclone tube 206's bottom, cyclone blast pipe 207's upper end runs through last tube sheet 201 and with last tube sheet 201 fixed connection, electrostatic coalescence unit 3 includes a plurality of corrugated electrode plate 301 along fore-and-aft direction parallel arrangement, forms runner 302 between the adjacent corrugated electrode plate 301.
The transformer 5 is arranged inside or outside the horizontal cylinder 1, preferably inside the horizontal cylinder 1, fig. 1 shows that the transformer 5 is arranged inside the horizontal cylinder 1, when the transformer 5 is arranged inside the horizontal cylinder 1, the transformer 5 is arranged inside the horizontal cylinder 1 on the right side of the weir plate 101, a cable lead hole 104 is arranged at the right end of the horizontal cylinder 1, the transformer 5 is connected to a low-voltage cable 502 through the cable lead hole 104, and the transformer 5 is fixedly connected with the inner wall of the horizontal cylinder 1 through a suspension insulator 501. The transformer 5 is arranged in an oil chamber of the horizontal cylinder 1 and is submerged by insulating oil to provide a high-voltage power supply for the electrostatic coalescence unit 3.
The vertical cylinder 2 is divided into three regions by the upper tube plate 201 and the lower tube plate 202, the region above the upper tube plate 201 is a gas phase region where the reduced overhead gas separated by cyclone is located, the region between the upper tube plate 201 and the lower tube plate 202 is a liquid inlet region communicated with the inlet tube 203, and the region below the lower tube plate 202 is a liquid phase region. The top-reducing oil separated from the vertical cylinder 2 stably flows into the horizontal cylinder 1 through the circular liquid distribution hole 209 at the bottom of the liquid distribution member 208, so that secondary emulsification of oil and water caused by severe impact is avoided.
The electrostatic coalescence unit 3 is positioned in the horizontal cylinder 1 between the vertical cylinder 2 and the weir plate 101, and the front end and the rear end of the electrostatic coalescence unit 3 are fixedly connected with the inner wall of the horizontal cylinder 1; as shown in fig. 4, the electrostatic coalescing unit 3 includes a plurality of corrugated electrode plates 301 arranged in parallel in the front-rear direction, that is, the corrugated electrode plates 301 are arranged vertically, and a flow channel 302 is formed between adjacent corrugated electrode plates 301; the flow channel 302 adopts a curved surface corrugated channel design, the collision probability of dispersed phase water drops is increased by utilizing a shallow pool theory and a turbulent flow pulsation effect, the hydraulic retention time can be obviously shortened, and meanwhile, the flow channel 302 also has a rectification effect; the corrugated electrode plates 301 are vertically arranged in parallel, a non-uniform high-voltage electric field is generated in the flow channel 302, and the dispersed phase water drop coalescence is enhanced by utilizing the dielectrophoresis phenomenon.
Preferably, the liquid distribution member 208 is cylindrical, and the liquid distribution holes 209 are circular holes.
Preferably, a corrugated plate coalescer 204 and a wire mesh mist catcher 205 are sequentially arranged in the vertical cylinder 2 at the upper part of the upper tube plate 201 from bottom to top; the corrugated plate coalescer 204 and the wire mesh mist catcher 205 are mainly used for removing mist drops carried in the top reducing gas, the corrugated plate coalescer 204 conducts multiple baffling separation on the top reducing gas containing the mist drops when the top reducing gas passes through the corrugated plate coalescer 204, most of the mist drops are coalesced and separated, and when the rest mist drops in the top reducing gas pass through the wire mesh mist catcher 205, the wire mesh mist catcher 205 is porous, so that the mist drops can be better adsorbed, and the separation effect is further improved.
Preferably, the bottom of the cyclone tube 206 is in a conical surface structure with a thick upper part and a thin lower part.
Preferably, as shown in fig. 2-3, two centrosymmetric tangential inlets 2061 tangential to the barrel of the swirl tube 206 are provided at the upper part of the swirl tube 206, the flow passage of the tangential inlet 2061 is of a streamline structure, and the cross section of the tangential inlet 2061 is of a tapered structure.
Preferably, a mist catcher 105 is arranged at the upper part of the right side of the horizontal cylinder 1, a second gas outlet pipe 106 is arranged at the upper part of the mist catcher 105, and the first gas outlet pipe 210 is communicated with the second gas outlet pipe 106; the reduced-ceiling oil separated by the vertical cylinder 2 also contains a small amount of reduced-ceiling gas, and the small amount of reduced-ceiling gas is gathered in the upper space of the horizontal cylinder 1, is mist-captured by the mist-capturing device 105 and then is separated out by the second gas outlet pipe 106.
Preferably, the electrostatic coalescence unit 3 is cast by epoxy resin, which can effectively avoid the problem of electric breakdown, and a higher voltage can be applied to the high-water-content crude oil for dehydration treatment.
The invention relates to a top-reducing oil-water separation tank, which has the following specific implementation mode:
external low-voltage alternating current is connected to the transformer 5 through the low-voltage cable 502, and is converted into high-voltage alternating current through the transformer 5, and then the electrostatic coalescence unit 3 provides high-voltage power.
When the reduced-ceiling oil enters the vertical cylinder 2 through the inlet pipe 203, under the limitation of the lower tube plate 202 and the upper tube plate 201, the mixture can only pass through the tangential inlets 2061 at the two sides of the cyclone tube 206 to be carried out inside the cyclone tube 206, and because the tangential inlets 2061 at the two sides of the cyclone tube 206 are tangent to the cylinder of the cyclone tube 206, when the mixture flows through the cyclone tube, a cyclone field can be formed inside an annular space formed by the cyclone tube 206 and the cyclone exhaust pipe 207 by consuming the pressure drop of the mixture; the lighter components of the reduced-top gas move upwards along the cyclone exhaust pipe 207, when the reduced-top gas passes through the corrugated plate coalescer 204, mist drops in the reduced-top gas are baffled, coalesced and separated for multiple times to form larger coalesced liquid drops to drop, when the residual mist drops in the reduced-top gas pass through the wire mesh mist catcher 205, the wire mesh mist catcher 205 is porous, so that the mist drops can be better adsorbed, the separation effect is further improved, and the separated reduced-top gas is exhausted from the first gas outlet pipe 210; the heavy component reduced-ceiling oil is separated in the cyclone tube 206 by centrifugal force and then flows into the horizontal cylinder 1 through the liquid distribution hole 209 at the bottom of the liquid distribution member 208.
The top reducing oil entering the horizontal cylinder 1 contains a small amount of top reducing gas, is gathered in the upper space of the horizontal cylinder 1, and is discharged through a second gas outlet pipe 106 after being mist-captured by a mist-capturing device 105; the advancing top-reduced oil layer is firstly subjected to secondary separation through the electrostatic coalescence unit 3, the top-reduced oil layer of the electrostatic coalescence unit 3 is thinned, and the particle size of separated phase water drops is increased; then entering a later settling section for three-stage separation; the finally separated water is separated out through a water outlet 102, and the separated oil overflows the weir plate 101 into the oil chamber and is separated out through an oil outlet 103.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited thereto, and various modifications and changes that can be made by those skilled in the art without inventive efforts based on the technical solution of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a subtract top oil water knockout drum, includes horizontal barrel, its characterized in that: the top-reducing oil-water separation tank also comprises a vertical cylinder, an electrostatic coalescence unit and a transformer, wherein a weir plate is vertically arranged at the bottom of the horizontal cylinder on the right side in the horizontal cylinder, a water outlet is arranged at the bottom of the horizontal cylinder on the left side of the weir plate, an oil outlet is arranged at the bottom of the horizontal cylinder on the right side of the weir plate, the vertical cylinder is vertically inserted into the left side of the horizontal cylinder, the electrostatic coalescence unit is positioned in the horizontal cylinder between the vertical cylinder and the weir plate, the electrostatic coalescence unit is connected with the transformer through a high-voltage cable and a second low-voltage cable, a liquid distribution member is arranged at the bottom of the vertical cylinder, liquid distribution holes are formed in the side surface and the bottom surface of the liquid distribution member, a first gas outlet pipe is arranged at the top of the vertical cylinder, an upper pipe plate and a lower pipe plate are sequentially and horizontally arranged in the vertical cylinder from top to bottom, and an inlet pipe is arranged on the side wall of the vertical cylinder between the upper pipe plate and the lower pipe plate, the utility model discloses an electrostatic coalescence unit, including pipe plate, upper tube plate, lower tube plate, vertical fixed a plurality of vortex pipes that are provided with down on the pipe plate, the top of vortex pipe is provided with the whirl blast pipe, the bottom of whirl pipe is inserted to the lower extreme of whirl blast pipe, the upper end of whirl blast pipe run through the upper tube plate and with upper tube plate fixed connection, electrostatic coalescence unit includes a plurality of ripple electrode boards along fore-and-aft direction parallel arrangement, forms the runner between the adjacent ripple electrode board.
2. The reduced-ceiling oil-water separation tank of claim 1, wherein: the liquid distribution component is cylindrical, and the liquid distribution holes are round holes.
3. The reduced-ceiling oil-water separation tank of claim 1, wherein: the transformer is arranged in the horizontal cylinder and arranged on the right side of the weir plate; when the transformer is arranged inside the horizontal cylinder, a cable lead hole is formed in the right end of the horizontal cylinder, the transformer is connected into a low-voltage cable through the cable lead hole, and the transformer is fixedly connected with the inner wall of the horizontal cylinder through a suspension insulator.
4. The reduced-ceiling oil-water separation tank of claim 1, wherein: the corrugated plate coalescer and the wire mesh mist catcher are sequentially arranged in the vertical cylinder at the upper part of the upper tube plate from bottom to top.
5. The reduced-ceiling oil-water separation tank of claim 1, wherein: the front end and the rear end of the electrostatic coalescence unit are fixedly connected with the inner wall of the horizontal cylinder.
6. The reduced-ceiling oil-water separation tank of claim 1, wherein: the bottom of the cyclone tube is in a conical surface structure with a thick upper part and a thin lower part.
7. The reduced-ceiling oil-water separation tank as claimed in claim 1 or 6, wherein: the upper part of the cyclone tube is provided with two tangential inlets which are centrosymmetric and tangent with the cyclone tube barrel.
8. The reduced-ceiling oil-water separation tank of claim 7, wherein: the flow channel of the tangential inlet is of a streamline structure, and the cross section of the tangential inlet is of a tapered structure.
9. The reduced-ceiling oil-water separation tank of claim 1, wherein: the upper part of the right side of the horizontal cylinder body is provided with a mist catcher, the upper part of the mist catcher is provided with a second gas outlet pipe, and the first gas outlet pipe is communicated with the second gas outlet pipe.
10. The reduced-ceiling oil-water separation tank as claimed in claim 1 or 5, wherein: the electrostatic coalescing unit is cast from epoxy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010996084.4A CN114426869A (en) | 2020-09-21 | 2020-09-21 | Top-reducing oil-water separation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010996084.4A CN114426869A (en) | 2020-09-21 | 2020-09-21 | Top-reducing oil-water separation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114426869A true CN114426869A (en) | 2022-05-03 |
Family
ID=81309144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010996084.4A Pending CN114426869A (en) | 2020-09-21 | 2020-09-21 | Top-reducing oil-water separation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114426869A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105087056A (en) * | 2014-05-15 | 2015-11-25 | 中石化洛阳工程有限公司 | Three-phase separator |
| CN107365598A (en) * | 2017-08-11 | 2017-11-21 | 中国石油大学(华东) | A kind of cyclone electrostatic coalescing devices |
| CN107723020A (en) * | 2017-11-22 | 2018-02-23 | 中国石油大学(华东) | A kind of oil gas water three phase electrostatic coalescence separator |
| CN209548775U (en) * | 2019-01-29 | 2019-10-29 | 山东药品食品职业学院 | A kind of multicyclone depassing unit |
-
2020
- 2020-09-21 CN CN202010996084.4A patent/CN114426869A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105087056A (en) * | 2014-05-15 | 2015-11-25 | 中石化洛阳工程有限公司 | Three-phase separator |
| CN107365598A (en) * | 2017-08-11 | 2017-11-21 | 中国石油大学(华东) | A kind of cyclone electrostatic coalescing devices |
| CN107723020A (en) * | 2017-11-22 | 2018-02-23 | 中国石油大学(华东) | A kind of oil gas water three phase electrostatic coalescence separator |
| CN209548775U (en) * | 2019-01-29 | 2019-10-29 | 山东药品食品职业学院 | A kind of multicyclone depassing unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107723020B (en) | A kind of oil gas water three phase electrostatic coalescence separator | |
| CN202289572U (en) | Horizontal-type oil-gas-water triphase separator | |
| CN209815822U (en) | Oil-water coalescence-separation device | |
| CN102021019A (en) | Novel high-efficiency crude oil electric dehydration and desalination method and equipment | |
| CN114164019B (en) | Offshore oilfield oil well produced liquid dehydration treatment system and process | |
| CN111040805B (en) | Crude oil pre-dehydration, deep dehydration and sewage oil removal integrated device and method | |
| CN102732296A (en) | High water-content crude oil electrostatic dehydration device | |
| CN114164020B (en) | Offshore oilfield crude oil dehydration treatment system and process | |
| CN108686400A (en) | A kind of double field cross-flow coalescence oily-water seperating equipments | |
| CN114426867A (en) | Top-reducing oil-water electrostatic coalescence-separation device | |
| CN106318442A (en) | Sump oil purifying device and method | |
| CN107162106B (en) | A kind of pair of oily wastewater carries out the separator of water-oil separating | |
| CN108609793A (en) | A kind of acidity water degasification deoiling method and its device | |
| CN114426869A (en) | Top-reducing oil-water separation tank | |
| CN106032473A (en) | High-frequency electric coalescence type high-efficiency oil-gas-water three-phase separator | |
| CN114426868A (en) | Top-reducing oil-water separation device | |
| CN213416586U (en) | Cyclone floating separator with demulsification and coalescence functions | |
| CN201501845U (en) | Novel efficient electric crude oil dehydration and desalination equipment | |
| CN2449779Y (en) | Incompatible media separating apparatus | |
| CN115557631A (en) | Oil-water separation device and method integrating cyclone, air flotation and medium coalescence | |
| CN206613217U (en) | A kind of pair of field cross-flow coalescence oily-water seperating equipment | |
| CN108070400B (en) | Alkylation method | |
| CN114653099A (en) | Oil purifying device | |
| CN111171859B (en) | Sectional type electromagnetic coupling separator for treating oilfield produced liquid | |
| CN103274545A (en) | High-efficiency compact floatation unit (CFU) water treatment method applicable to offshore oil field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |