CN114870438A - Electrostatic coalescer of flat electrode - Google Patents
Electrostatic coalescer of flat electrode Download PDFInfo
- Publication number
- CN114870438A CN114870438A CN202210418238.0A CN202210418238A CN114870438A CN 114870438 A CN114870438 A CN 114870438A CN 202210418238 A CN202210418238 A CN 202210418238A CN 114870438 A CN114870438 A CN 114870438A
- Authority
- CN
- China
- Prior art keywords
- electrode
- side wall
- bare
- cavity
- barrel
- 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
- 238000007789 sealing Methods 0.000 claims description 31
- 238000004581 coalescence Methods 0.000 abstract description 5
- 239000002569 water oil cream Substances 0.000 description 10
- 230000005684 electric field Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
- B01D17/06—Separation of liquids from each other by electricity
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/208—Sediments, e.g. bottom sediment and water or BSW
Abstract
The invention discloses a flat electrode electrostatic coalescer, which comprises an outer barrel, an inner barrel, a plurality of insulated electrodes and a plurality of bare electrodes, wherein grooves at the top and bottom ends of the inner barrel are respectively an inlet cavity and an outlet cavity, a cavity at the middle part is a circuit cavity, the inner barrel is fixed at the central part of the outer barrel, an annular space between the inner barrel and the outer barrel is a flow channel, and a plurality of sliding grooves are respectively fixed on the side walls of an inner ring and an outer ring of the flow channel; the two ends of each insulated electrode are respectively fixed with a rubber sliding strip, the two rubber sliding strips are respectively inserted into one sliding groove on the side wall of the inner ring and one sliding groove on the side wall of the outer ring, the two ends of each bare electrode are respectively fixed with a rubber sliding strip, the two rubber sliding strips are respectively inserted into one sliding groove on the side wall of the inner ring and one sliding groove on the side wall of the outer ring, each bare electrode is adjacent to the two insulated electrodes, and each insulated electrode is adjacent to the two bare electrodes. The invention is convenient to maintain and improves the coalescence efficiency.
Description
Technical Field
The invention relates to the technical field of electrostatic coalescers, in particular to a flat electrode electrostatic coalescer.
Background
The electrostatic coalescence device is an indispensable component of an oil-water separation system of each oil field, and most oil-gas treatment stations and united stations in China currently use the traditional electric dehydrator.
Chinese patent (No. CN105802660A) proposes a plate electrode electrostatic coalescer, which can prolong the retention time of oil-water emulsion in an electric field, and increase the oil-water separation efficiency due to the larger effect of electric field force, but its flow channels are fewer, which affects the flow rate of oil-water emulsion and the efficiency of electrostatic coalescence. Accordingly, one skilled in the art provides a flat-plate electrode electrostatic coalescer to solve the problems set forth in the background above.
Disclosure of Invention
In order to solve the technical problems, the invention provides a flat electrode electrostatic coalescer, which comprises an outer barrel, an inner barrel, a plurality of insulated electrodes and a plurality of bare electrodes, wherein a sealing cover is connected at the top port of the outer barrel, and a plurality of supporting legs are fixed on the bottom side wall; the top and bottom end grooves of the inner barrel are respectively an inlet cavity and an outlet cavity, the cavity in the middle is a circuit cavity, a plurality of through holes arranged on the side wall of the inlet cavity are inlets, a plurality of through holes arranged on the side wall of the outlet cavity are outlets, the inner barrel is fixed at the central part of the outer barrel, the annular space between the inner barrel and the outer barrel is a flow channel, and a plurality of sliding chutes are respectively fixed on the side walls of the inner ring and the outer ring of the flow channel; the two ends of each insulated electrode are respectively fixed with a rubber sliding strip, the two rubber sliding strips are respectively inserted into one sliding groove on the side wall of the inner ring and one sliding groove on the side wall of the outer ring, the two ends of each bare electrode are respectively fixed with a rubber sliding strip, the two rubber sliding strips are respectively inserted into one sliding groove on the side wall of the inner ring and one sliding groove on the side wall of the outer ring, each bare electrode is adjacent to the two insulated electrodes, and each insulated electrode is adjacent to the two bare electrodes.
Preferably: and a discharge pipe is fixed in the through hole of the bottom wall of the discharge cavity.
Preferably: an inlet pipe is fixed in the central through hole of the sealing cover.
Preferably: and a sealing ring is fixed at the central part of the bottom side wall of the sealing cover and is hermetically inserted into the top port of the discharge cavity.
Preferably: the outer ring part of the bottom side wall of the sealing cover is uniformly fixed with a plurality of sealing strips, the bottom end of each sealing strip is closely fit with the top end of an insulated electrode or a bare electrode, and two ends of each sealing strip are respectively inserted into the top end parts of sliding grooves in the inner ring side wall and the outer ring side wall.
Preferably: and each sliding groove on the inner ring wall of the flow channel is internally provided with a first terminal, each insulated electrode and the rubber slide bar at the inner side end of each bare electrode are respectively provided with a second terminal, and the second terminals are electrically connected with the insulated electrodes or the bare electrodes and are matched with the first terminals.
Preferably: and the circuit cavity is internally provided with an electrostatic generation module, and the electrostatic generator module is electrically connected with each first terminal.
Preferably: the discharging cavity is internally provided with a cable tube, and the upper part and the lower part of the cable tube are respectively fixed in the through hole in the top bottom wall of the discharging cavity in a sealing manner.
The invention has the technical effects and advantages that:
1. the invention forms an annular flow channel by surrounding the outer barrel and the inner barrel, and is divided into a plurality of small flow channels by a plurality of insulated electrodes and a plurality of bare electrodes, thereby increasing the section area of the flow channel and improving the coalescence efficiency; and the small flow channel enables the oil-water emulsion to be uniformly subjected to electric field force.
2. The insulating electrode and the bare electrode are in sliding connection with the outer barrel and the outer barrel through the sliding strip and the sliding groove, so that the bare electrode and the insulating electrode are convenient to install and maintain.
Drawings
FIG. 1 is a perspective view of a flat-plate electrode electrostatic coalescer provided in an embodiment of the present application;
fig. 2 is a top perspective view of an outer drum of a flat-plate electrode electrostatic coalescer according to an embodiment of the present application;
FIG. 3 is an inverted perspective view of a seal cap of a flat-plate electrode electrostatic coalescer according to an embodiment of the present application;
fig. 4 is a cross-sectional view of an outer barrel of a flat-plate electrode electrostatic coalescer according to an embodiment of the present application.
In the figure: the device comprises an outer barrel 10, an inner barrel 11, an inlet cavity 12, a circuit cavity 13, a discharge cavity 14, an inlet 15, an outlet 16, a sliding groove 17, a first terminal 18, a static electricity generation module 19, a cable pipe 20, an insulated electrode 21, a bare electrode 22, a rubber slide bar 23, a flow channel 24, a discharge pipe 25, a sealing cover 26, a sealing ring 27, an inlet pipe 28 and a sealing strip 29.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1 to 4, in the present embodiment, a flat electrode electrostatic coalescer is provided, including an outer tub 10, an inner tub 11, a plurality of insulated electrodes 21, and a plurality of bare electrodes 22, wherein a top port of the outer tub 10 is connected with a sealing cover 26, and a bottom sidewall is fixed with a plurality of legs; the top and bottom end grooves of the inner barrel 11 are respectively an inlet cavity 12 and an outlet cavity 14, the cavity in the middle is a circuit cavity 13, a plurality of through holes arranged on the side wall of the inlet cavity 12 are inlets 15, a plurality of through holes arranged on the side wall of the outlet cavity 14 are outlets 16, the inner barrel 11 is fixed at the central part of the outer barrel 10, the annular space between the inner barrel 11 and the outer barrel 10 is a runner 24, and a plurality of chutes 17 are respectively fixed on the inner ring side wall and the outer ring side wall of the runner 24; two ends of each insulated electrode 21 are respectively fixed with a rubber sliding strip 23, the two rubber sliding strips 23 are respectively inserted into one sliding groove 17 on the side wall of the inner ring and the outer ring, two ends of each bare electrode 22 are respectively fixed with a rubber sliding strip 23, the two rubber sliding strips 23 are respectively inserted into one sliding groove 17 on the side wall of the inner ring and the outer ring, each bare electrode 22 is adjacent to two insulated electrodes 21, and each insulated electrode 21 is adjacent to two bare electrodes 22.
A discharge pipe 25 is fixed in the through hole of the bottom wall of the discharge chamber 14 and is used for guiding the oil-water emulsion out of the discharge chamber 14.
An inlet pipe 28 is fixed in the central through hole of the sealing cover 26 for introducing an oil-water emulsion into the inlet chamber 12.
A sealing ring 27 is fixed to a central portion of the bottom side wall of the sealing cover 26, and the sealing ring 27 is hermetically inserted into the top end of the discharge chamber 12 to prevent the oil-water emulsion in the discharge chamber 12 from overflowing into the flow channel 24 from the top end.
A plurality of sealing strips 29 are uniformly fixed on the outer ring part of the bottom side wall of the sealing cover 26, the bottom end of each sealing strip 29 is closely fitted with the top end of an insulated electrode 21 or a bare electrode 22, and two ends of each sealing strip are respectively inserted into the top end part of a sliding groove 17 on the inner ring side wall and the outer ring side wall, so that the oil-water emulsion is placed and flows into the sliding grooves 17, and the small flow passages are prevented from being communicated.
Each sliding groove on the inner ring wall of the flow channel 24 is provided with a first terminal 18, each insulating electrode 21 and the rubber slide bar 23 at the inner side end of each bare electrode 22 are provided with a second terminal, and the second terminals are electrically connected with the insulating electrodes 21 or the bare electrodes 22 and matched with the first terminals 18, so that the electrostatic generation module 19 and the electrodes can be electrically connected conveniently.
An electrostatic generating module 19 is arranged in the circuit cavity 13, and the electrostatic generating module 19 is electrically connected with each first terminal 18.
Be provided with cable duct 20 in the discharge chamber 14, the upper and lower part of cable duct 20 is sealed respectively to be fixed in the through-hole in the top diapire of discharge chamber 14, makes things convenient for outside cable and static to take place module electric connection.
The working principle of the invention is as follows: when in use, the oil-water emulsion flows into the inlet cavity 12 from the inlet pipe 28 and then flows into each small flow channel 24 from the inlet 15, and an electric field is formed between two adjacent insulated electrodes 21 and the bare electrode 22, so that the oil-water emulsion in the flow channel 24 is influenced by the electric field to be coalesced; the coalesced oil-water emulsion flows from the outlet 16 into the discharge chamber 14 and then out of the discharge pipe 25; when maintenance is performed, the sealing cover 26 can be opened, the sealing strip 29 leaves the sliding groove 17, the flow channel 24 is exposed, then the insulated electrode 21 or the bare electrode 22 is pulled upwards, the rubber sliding strip 23 is pulled out of the sliding groove 17, and the electrode is taken down for maintenance. The invention is convenient to maintain and improves the coalescence efficiency.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (5)
1. The flat electrode electrostatic coalescer is characterized by comprising an outer barrel (10), an inner barrel (11), a plurality of insulated electrodes (21) and a plurality of bare electrodes (22), wherein a sealing cover (26) is connected at the top port of the outer barrel (10), and a plurality of supporting legs are fixed on the bottom side wall; the top and bottom end grooves of the inner barrel (11) are respectively an inlet cavity (12) and a discharge cavity (14), the cavity in the middle is a circuit cavity (13), a plurality of through holes arranged on the side wall of the inlet cavity (12) are inlets (15), a plurality of through holes arranged on the side wall of the discharge cavity (14) are outlets (16), the inner barrel (11) is fixed at the central part of the outer barrel (10), the annular space between the inner barrel (11) and the outer barrel (10) is a runner (24), and a plurality of chutes (17) are respectively fixed on the side walls of the inner ring and the outer ring of the runner (24); the two ends of each insulated electrode (21) are respectively fixed with one rubber sliding strip (23), the two rubber sliding strips (23) are respectively inserted into one sliding groove (17) on the side walls of the inner ring and the outer ring, the two ends of each bare electrode (22) are respectively fixed with one rubber sliding strip (23), the two rubber sliding strips (23) are respectively inserted into one sliding groove (17) on the side walls of the inner ring and the outer ring, each bare electrode (22) is adjacent to the two insulated electrodes (21), and each insulated electrode (21) is adjacent to the two bare electrodes (22).
2. The electrostatic coalescer of claim 1, wherein a drain (25) is secured in a through hole in the bottom wall of the drain chamber (14).
3. The planar electrode electrostatic coalescer according to claim 1, wherein an inlet pipe (28) is secured in the central through hole of the sealing cover (26).
4. The electrostatic coalescer of claim 1, wherein a sealing ring (27) is fixed to a central portion of a bottom side wall of the sealing cap (26), and the sealing ring (27) is hermetically inserted into a top port of the drain chamber (12).
5. The electrostatic coalescer of claim 1, wherein a plurality of sealing strips (29) are uniformly fixed to the outer circumferential portion of the bottom side wall of the sealing cap (26), the bottom end of each sealing strip (29) is closely fitted to the top end of an insulated electrode (21) or a bare electrode (22), and the two ends are respectively inserted into the top end portions of a sliding groove (17) formed in the inner circumferential side wall and the outer circumferential side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418238.0A CN114870438A (en) | 2022-04-20 | 2022-04-20 | Electrostatic coalescer of flat electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418238.0A CN114870438A (en) | 2022-04-20 | 2022-04-20 | Electrostatic coalescer of flat electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114870438A true CN114870438A (en) | 2022-08-09 |
Family
ID=82672462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210418238.0A Pending CN114870438A (en) | 2022-04-20 | 2022-04-20 | Electrostatic coalescer of flat electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114870438A (en) |
-
2022
- 2022-04-20 CN CN202210418238.0A patent/CN114870438A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220809 |
|
| WD01 | Invention patent application deemed withdrawn after publication |