CN105733661B - Circular arc camber electric-field electric desalting tank - Google Patents
Circular arc camber electric-field electric desalting tank Download PDFInfo
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- CN105733661B CN105733661B CN201410743070.6A CN201410743070A CN105733661B CN 105733661 B CN105733661 B CN 105733661B CN 201410743070 A CN201410743070 A CN 201410743070A CN 105733661 B CN105733661 B CN 105733661B
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Abstract
The present invention discloses a kind of circular arc camber electric-field electric desalting tank, including：One outer cylinder body；One crude oil oil charging structure, connects the outer cylinder body inner space and the external world；One drainpipe, is connected to the outer cylinder body outer wall；One collection tube, connects the outer cylinder body inner space and the external world；Two circular arc camber electrodes, are arranged in the outer cylinder body, and the two circular arc cambers electrode connects positive-negative power and provides electric field in the operating condition for the electrical desalter respectively；Wherein, the two circular arc cambers electrode is located at upper position in the outer cylinder body inside, corresponding parallel with arc surface on the two of the outer cylinder body respectively.The present invention can increase the electric field action region of electrical desalter.
Description
Technical field
Desalting dewatering device is pre-processed the present invention relates to crude oil, it is more particularly to a kind of to pre-process desalting and dewatering for crude oil
Electrical oil dewatering salt cellar.
Background technology
Crude oil electric desalting technique is generally used in refinery, by crude oil water filling, by static mixer and mixing valve pair
Crude oil carries out the salt in immixture, water washing crude oil with water, and oil-water mixture enters electrical desalter afterwards, in electric field and gravity
Under effect, water-oil separating obtains the crude oil of desalting and dewatering, here it is described crude oil electric desalting technique.In technology of electric de-salting, borrow
The effect of electric field is helped, the small water droplet of saliferous produces dipole coalescence, accelerates the separation process of profit.
Existing crude oil electric desalting technique, its feed entrance point of the crude oil of water filling is located on the middle and lower part of tank, oil-water interfaces,
I.e. oil phase is fed, during to avoid the crude oil water containing of rising higher, the short circuit between electrodes of electric field, it is considered to which industry security is run,
Battery lead plate in electrical desalter is normally at the middle and upper part of tank body, and battery lead plate typically makes two equidistant metals that are parallel to each other
Bar or wire netting, two electrodes connect the both positive and negative polarity of high voltage power supply respectively, in the operating condition, the bonding jumper belonging to two electrodes
Or highfield is formed between wire netting, main contributions are served to the water-oil separating that wet crude carries out dewatering and desalting.It is existing
For the electric field region space formed between crude oil electric desalting technique, electrode is with respect to tank interior space, space availability ratio ratio
It is relatively low.In addition, in electrical oil dewatering salt cellar, rising the moisture content of crude oil gradually reduces, to reach more preferable dewatering and desalting
Effect, preferable electric-field intensity should also be gradually to be strengthened from bottom to top, so, and crude oil dewatering efficiency is efficiently and saved, but
Current electrical desalter can not reach this effect.
Therefore, how a kind of electrical desalter is provided, it is solved the defect in the presence of above-mentioned prior art,
For those skilled in the art's urgent problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of circular arc camber electric-field electric desalting tank, the electricity for alloing it to increase electrical desalter
Field action region.
To achieve the above object, the present invention provides a kind of circular arc camber electric-field electric desalting tank, including：
One outer cylinder body；
One crude oil oil charging structure, connects the outer cylinder body inner space and the external world；
One drainpipe, is connected to the outer cylinder body outer wall；
One collection tube, connects the outer cylinder body inner space and the external world；
Two circular arc camber electrodes, are arranged in the outer cylinder body, the two circular arc cambers electrode connect respectively positive-negative power and
Under working condition electric field is provided for the electrical desalter；
Wherein, the two circular arc cambers electrode is located at upper position in the outer cylinder body inside, respectively with circle on the two of the outer cylinder body
Cambered surface correspondence is parallel (that is, on the corresponding outer cylinder body of each circular arc camber electrode arc surface each other concentric circles).
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the outer cylinder body is metal material
Matter.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the outer cylinder body is a closing
Formula crouches tank body, including a circular straight barrel dished (torispherical) head with closing the circular straight barrel left and right ends.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the crude oil oil charging structure bag
Include a crude oil pipeline network and a crude oil oil inlet pipe；The crude oil pipeline network is horizontally placed on the outer cylinder body lower inside；The crude oil oil inlet pipe
Directly it is inserted upwardly into the outer cylinder body, is connected with the crude oil pipeline network by the positive backbone in outer cylinder body bottom.Crude oil oil charging structure can be used
Chinese patent 201320359959.5《A kind of electrical oil dewatering salt cellar oil inlet pipe structure》Disclosed structure, the crude oil of water filling is thus
Pipe enters electrical desalter.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the drainpipe is arranged at this
Outer cylinder body bottom.The water obtained through electro-desalting water-oil separating technique, the electrical desalter is discharged by the drainpipe.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the collection tube includes a tank
Inner tube and a tank outer tube；The tank inner tube is located inside the outer cylinder body (at the top of close to outer cylinder body), parallel in the outer cylinder body level
Heart axis and directly over the axis, and the tank inner tube left and right ends and the crude oil pipeline network of outer cylinder body lower inside or so
Two ends are concordant；The tank inner tube left and right ends are closed and the left and right sides is uniformly distributed aperture；The tank outer tube one end is communicated in the tank
Pipe is hit exactly, and the other end protrudes upward the outer cylinder body.The crude oil of desalting and dewatering is collected by flowline aperture, flows out the electrical desalter.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the two circular arc cambers electrode
For wire netting or bonding jumper.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the two circular arc cambers electrode
Left and right ends and the circular straight barrel left and right ends it is concordant (that is, neat with dished (torispherical) head junction).
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the two circular arc cambers electrode
Lower end begin from the outer cylinder body horizontal center line axis equal-height position, end at the lower edge of upper end to slightly below collection tube.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, each circular arc camber electrode
Spacing (i.e. two cambered surface spacing of concentric circles) with the outer cylinder body is between 1~100 centimetre.This spacing is big according to tank body
Small, oil property etc. is determined.
To solve problem of the prior art, the present invention provides a kind of circular arc camber electric-field electric desalting tank, and its specific effect is former
Reason and technique effect are described below in detail：
1) present invention upper side of middle and upper part two along along electrical desalter arranges two circular arc camber electrodes, connects respectively positive and negative
Power supply.After setting according to this, in the region that electrical desalter Crude Oil rises, from tank central axis with the lower section of up to collection tube,
It can provide and promote electric field required for water-oil separating, the electric field action region significantly increased.
2) in electrical desalter during the separation of crude oil and water, crude oil is aqueous from bottom to top to be gradually reduced, and circular arc
The distance between two electrodes of curved surface, are gradually reduced from bottom to top, in the operating condition, and the electric-field intensity in circular arc camber will
Grow from weak to strong from bottom to top, the distribution of this electric-field intensity change is very beneficial for rising crude oil and is constantly dehydrated, crude oil water containing by
The change requirement that step declines, in this course, is dehydrated the high water-content crude oil being easier to and removes big water droplet in weak electric field, with upper
The aqueous decline of crude oil, dehydration difficulty increase are risen, and corresponding electric-field intensity also strengthens, and promotes the small water droplet in crude oil also continuous
Separate, until at collection tube, electric-field intensity is maximum, corresponding crude oil water containing is also minimum.Meanwhile, this electricity from bottom to top
Field intensity is corresponding with crude oil water containing change profile, it is possible to increase efficiency, energy-saving, and reduces electro-desalting generation
Excessively stream, the upset operation risk of unexpected tripping operation.
3) in addition, in circular arc camber electric-field electric desalting tank, two circular arc camber electrodes middle and upper part both sides tank skin in tank
Neighbouring position, is the basic metastable crude oil of nonflowing character matter around it, this structure is set not on the route that profit is flowed through
Put so that electric field action is difficult to be influenceed by water-oil separating technological fluctuation, operation is safer.
4) a kind of circular arc camber electric-field electric desalting tank proposed by the present invention, relatively conventional electrical desalter can significantly increase
Big electric field action region, improves crude oil dewatering and desalting effect while energy-saving, raising utilization rate of equipment and installations.It is applied to refinery
Crude oil electric desalting technology is upgraded, and safe operation, oil-water separation is significantly improved, and has good prospects for commercial application.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 is the front view of the circular arc camber electric-field electric desalting jar structure disclosed in a preferred embodiment of the present invention；
Fig. 2 is the circular arc camber electric-field electric desalting jar structure signal left view disclosed in a preferred embodiment of the present invention.
Wherein, reference：
1：Outer cylinder body
2：Crude oil oil inlet pipe
3：Drainpipe
4：Circular arc camber electrode
5：Collection tube
Embodiment
Technical scheme is described in detail below in conjunction with specific embodiment, and listed illustrative embodiments are only
It is used as illustration, is not intended as the limitation of the present invention.
Fig. 1, Fig. 2 are refer to, it is respectively the circular arc camber electric-field electric desalting tank disclosed in a preferred embodiment of the present invention
The front view of structure, and the circular arc camber electric-field electric desalting jar structure signal left view disclosed in a preferred embodiment of the present invention
Figure.
To increase the electric field action region of electrical desalter, the present invention provides a kind of circular arc camber electric-field electric desalting tank, including：
One outer cylinder body 1；
One crude oil oil charging structure 2, connects the inner space of outer cylinder body 1 and the external world；
One drainpipe 3, is connected to the outer wall of outer cylinder body 1；
One collection tube 5, connects the inner space of outer cylinder body 1 and the external world；
Two circular arc camber electrodes 4, are arranged in the outer cylinder body 1, and the two circular arc cambers electrode 4 connects positive-negative power simultaneously respectively
In the operating condition electric field is provided for the electrical desalter；
Wherein, the two circular arc cambers electrode 4 is located at upper position in the inside of outer cylinder body 1, respectively with the two of the outer cylinder body 1
Arc surface correspondence is parallel (that is, on the corresponding outer cylinder body of each circular arc camber electrode arc surface each other concentric circles).
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the outer cylinder body 1 is metal material
Matter, is made using metal, and those skilled in the art can select available material according to actual conditions.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the outer cylinder body 1 is common sleeping
Formula electrical desalter profile.Specifically, the outer cylinder body 1 is a closed sleeping tank body, including a circular straight barrel is with closing the circle
The dished (torispherical) head of shape straight barrel left and right ends, is connected by circular straight barrel with both sides dished (torispherical) head, constitutes the sleeping tank body of the closing.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the crude oil oil charging structure 2 is wrapped
Include a crude oil pipeline network and a crude oil oil inlet pipe；The crude oil pipeline network is horizontally placed on the lower inside of outer cylinder body 1；The crude oil oil inlet pipe
Directly it is inserted upwardly into the outer cylinder body 1, is connected with the crude oil pipeline network by the positive backbone in the bottom of outer cylinder body 1.Crude oil oil charging structure can be adopted
With Chinese patent 201320359959.5《A kind of electrical oil dewatering salt cellar oil inlet pipe structure》Disclosed structure, the crude oil of water filling by
This pipe enters electrical desalter.Certainly, those skilled in the art can also select other oil charging structures according to actual conditions, not
It is in the manner previously described limitation.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the drainpipe 3 is arranged at this
The bottom of outer cylinder body 1.The water obtained through electro-desalting water-oil separating technique, the electrical desalter is discharged by the drainpipe 3.On the draining
The specific set location of pipe 3, those skilled in the art can make a choice according to actual conditions, without with position shown in the drawings
For limitation.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the collection tube 5 includes a tank
Inner tube and a tank outer tube；The tank inner tube is located at the inside of outer cylinder body 1 (close to the top of outer cylinder body 1), parallel to the level of outer cylinder body 1
Central axis and directly over the axis, and the tank inner tube left and right ends and the crude oil pipeline network of the lower inside of outer cylinder body 1
Left and right ends are concordant；The tank inner tube left and right ends are closed and the left and right sides is uniformly distributed aperture；The tank outer tube one end is communicated in this
Tank inner tube is hit exactly, and the other end protrudes upward the outer cylinder body 1.The crude oil of desalting and dewatering is collected by flowline aperture, is flowed out the electricity and is taken off
Salt cellar.Collection tube 5 receives oily structure herein, the preferably implementation of only one cited by this section, and not with institute above
State the limitation as the present invention.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the two circular arc cambers electrode 4
For wire netting or bonding jumper.The specific material of the two circular arc cambers electrode 4, those skilled in the art can be according to actual conditions
Make a choice.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the two circular arc cambers electrode 4
Left and right ends and the circular straight barrel left and right ends it is concordant (that is, neat with dished (torispherical) head junction).
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, the two circular arc cambers electrode 4
Lower end begin from the horizontal center line axis equal-height position of outer cylinder body 1, end at the lower edge of upper end to slightly below collection tube.
Wherein, in the better embodiment of circular arc camber electric-field electric desalting tank one of the present invention, each circular arc camber electrode 4
Spacing (i.e. two cambered surface spacing of concentric circles) with the outer cylinder body 1 is between 1~100 centimetre.This spacing is big according to tank body
Small, oil property etc. is determined.In preferred embodiment, this spacing could be arranged to 1cm, 10cm, 50cm, 70cm, 100cm
Deng those skilled in the art can make a choice according to actual needs.
After the circular arc camber electric-field electric desalting tank of the present invention is installed, two circular arc camber electrodes 4 are connected respectively
Positive-negative power, in the operating condition, electric field is provided for this electrical desalter.
To solve problem of the prior art, the present invention provides a kind of circular arc camber electric-field electric desalting tank, and its specific effect is former
Reason and technique effect are described below in detail：
1) present invention upper side of middle and upper part two along along electrical desalter arranges two circular arc camber electrodes, connects respectively positive and negative
Power supply.After setting according to this, in the region that electrical desalter Crude Oil rises, from tank central axis with the lower section of up to collection tube,
It can provide and promote electric field required for water-oil separating, the electric field action region significantly increased.
2) in electrical desalter during the separation of crude oil and water, crude oil is aqueous from bottom to top to be gradually reduced, and circular arc
The distance between two electrodes of curved surface, are gradually reduced from bottom to top, in the operating condition, and the electric-field intensity in circular arc camber will
Grow from weak to strong from bottom to top, the distribution of this electric-field intensity change is very beneficial for rising crude oil and is constantly dehydrated, crude oil water containing by
The change requirement that step declines, in this course, is dehydrated the high water-content crude oil being easier to and removes big water droplet in weak electric field, with upper
The aqueous decline of crude oil, dehydration difficulty increase are risen, and corresponding electric-field intensity also strengthens, and promotes the small water droplet in crude oil also continuous
Separate, until at collection tube, electric-field intensity is maximum, corresponding crude oil water containing is also minimum.Meanwhile, this electricity from bottom to top
Field intensity is corresponding with crude oil water containing change profile, it is possible to increase efficiency, energy-saving, and reduces electro-desalting generation
Excessively stream, the upset operation risk of unexpected tripping operation.
3) in addition, in circular arc camber electric-field electric desalting tank, two circular arc camber electrodes middle and upper part both sides tank skin in tank
Neighbouring position, is the basic metastable crude oil of nonflowing character matter around it, this structure causes not on the route that profit is flowed through
Electric field action is difficult to be influenceed by water-oil separating technological fluctuation, operates safer.
4) a kind of circular arc camber electric-field electric desalting tank proposed by the present invention, relatively conventional electrical desalter can significantly increase
Big electric field action region, improves crude oil dewatering and desalting effect while energy-saving, raising utilization rate of equipment and installations.It is applied to refinery
Crude oil electric desalting technology is upgraded, and safe operation, oil-water separation is significantly improved, and has good prospects for commercial application.
The circular arc camber electric-field electric desalting tank of the present invention is described further below by embodiment and its experimental data,
To clearly show that its technique effect.
In the present embodiment, from the sleeping tank that volume is 10 liters, a kind of its internal circular arc camber electricity using the present invention
The structure of field electrical desalter, specifically refer to Fig. 1, Fig. 2, and its structure and assembling are implemented in manner explained hereinafter：
One outer cylinder body 1；The outer cylinder body 1 is metal material, is made, is shaped as outside common horizontal electrical desalter using metal
Shape, including a circular straight barrel and the dished (torispherical) head of the closing circular straight barrel left and right ends, constitute closed tank；
One crude oil oil charging structure 2, connects the inner space of outer cylinder body 1 and the external world；The crude oil oil charging structure 2 includes a crude oil
Pipe network and a crude oil oil inlet pipe；The crude oil pipeline network is horizontally placed on the lower inside of outer cylinder body 1；The crude oil oil inlet pipe is by the outer barrel
The positive backbone in the bottom of body 1 is directly inserted upwardly into the outer cylinder body 1, is connected with the crude oil pipeline network；
One drainpipe 3, is connected to the outer wall of outer cylinder body 1；The drainpipe 3 is arranged at the bottom of outer cylinder body 1, for discharging warp
The water that electro-desalting water-oil separating technique is obtained；
One collection tube 5, connects the inner space of outer cylinder body 1 and the external world；The collection tube 5 is included outside a tank inner tube and a tank
Pipe；The tank inner tube is located at the inside of outer cylinder body 1 (close to the top of outer cylinder body 1), parallel to the horizontal center line axis of outer cylinder body 1 and position
Directly over the axis, and the tank inner tube left and right ends are concordant with the crude oil pipeline network left and right ends of the lower inside of outer cylinder body 1；
The tank inner tube left and right ends are closed and the left and right sides is uniformly distributed aperture；The tank outer tube one end is communicated in tank inner tube center, separately
One end protrudes upward the outer cylinder body 1.The crude oil of desalting and dewatering is collected by flowline aperture, flows out the electrical desalter；
Two circular arc camber electrodes 4, are arranged in the outer cylinder body 1, and the two circular arc cambers electrode 4 connects positive-negative power simultaneously respectively
In the operating condition electric field is provided for the electrical desalter；The two circular arc cambers electrode 4 is wire netting or bonding jumper；Two circular arc is bent
The left and right ends of face electrode 4 and the circular straight barrel left and right ends are concordant (that is, neat with dished (torispherical) head junction)；
Wherein, the two circular arc cambers electrode 4 is located at upper position in the inside of outer cylinder body 1, respectively with the two of the outer cylinder body 1
Arc surface correspondence is parallel (that is, on the corresponding outer cylinder body of each circular arc camber electrode arc surface each other concentric circles)；Two circle
The lower end of arc surface electrode 4 is begun from the horizontal center line axis equal-height position of outer cylinder body 1, at the lower edge of upper end to slightly below collection tube
End；
Wherein, the spacing (i.e. two cambered surface spacing of concentric circles) of each circular arc camber electrode 4 and the outer cylinder body 1 is set to
1 centimetre.This spacing is determined according to tank body size, oil property etc..Be set to 1 centimetre in the present embodiment, but other compared with
In good embodiment, this spacing is it can also be provided that 10cm, 50cm, 70cm, 100cm etc., those skilled in the art can roots
Made a choice according to being actually needed.
After the circular arc camber electric-field electric desalting tank of the present invention is installed, two circular arc camber electrodes 4 are connected respectively
Positive-negative power, it is possible to provide electric field in the operating condition for this electrical desalter.
Thus, after assembling is finished, with saliferous 9.6mgNaCl/L, the Kelamayi super-viscous oil of water filling 6% enters at 135 DEG C
Voltage 5000v between residence time 30min in the electrical desalter, tank, two circular arc electrodes, oil is taken out by collection tube, drainpipe
Sample, water sample.
It is another that a traditional horizontal electrical desalter is set as a comparison case, run simultaneously with the device of the present invention, volume is similarly
10 liters, and other operating conditions are identical.
Embodiment see the table below 1 with comparative example correlation analysis result.
Table 1
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention by knowing those skilled in the art
The protection domain of the claims in the present invention should all be belonged to.
Claims (9)
1. a kind of circular arc camber electric-field electric desalting tank, it is characterised in that the circular arc camber electric-field electric desalting tank is by following parts group
Into：
One outer cylinder body；
One crude oil oil charging structure, connects the outer cylinder body inner space and the external world；
One drainpipe, is connected to the outer cylinder body outer wall；
One collection tube, connects the outer cylinder body inner space and the external world；
Two circular arc camber electrodes, are arranged in the outer cylinder body, and the two circular arc cambers electrode connects positive-negative power and in work respectively
Under state electric field is provided for the electrical desalter；
Wherein, the two circular arc cambers electrode is located at upper position in the outer cylinder body inside, respectively with arc surface on the two of the outer cylinder body
Correspondence is parallel, and the lower end of the two circular arc cambers electrode is begun from the outer cylinder body horizontal center line axis equal-height position, upper end to slightly below receipts
It is last at the lower edge of oil pipe.
2. circular arc camber electric-field electric desalting tank according to claim 1, it is characterised in that the outer cylinder body is metal material.
3. circular arc camber electric-field electric desalting tank according to claim 1, it is characterised in that the outer cylinder body is one closed sleeping
Tank body, including a circular straight barrel and the dished (torispherical) head of the closing circular straight barrel left and right ends.
4. circular arc camber electric-field electric desalting tank according to claim 1, it is characterised in that the crude oil oil charging structure includes one
Crude oil pipeline network and a crude oil oil inlet pipe；The crude oil pipeline network is horizontally placed on the outer cylinder body lower inside；The crude oil oil inlet pipe is by this
The positive backbone in outer cylinder body bottom is directly inserted upwardly into the outer cylinder body, is connected with the crude oil pipeline network.
5. circular arc camber electric-field electric desalting tank according to claim 1, it is characterised in that the drainpipe is arranged at the outer barrel
Body bottom.
6. circular arc camber electric-field electric desalting tank according to claim 1, it is characterised in that the collection tube includes a tank inner tube
With a tank outer tube；The tank inner tube is located inside the outer cylinder body, parallel to the outer cylinder body horizontal center line axis and positioned at the axis just
Top, and the tank inner tube left and right ends are concordant with the crude oil pipeline network left and right ends of outer cylinder body lower inside；The tank inner tube is left
The right side is closed at both ends and the left and right sides is uniformly distributed aperture；The tank outer tube one end is communicated in tank inner tube center, and the other end is stretched upwards
Go out the outer cylinder body.
7. circular arc camber electric-field electric desalting tank according to claim 1, it is characterised in that the two circular arc cambers electrode is gold
Belong to net or bonding jumper.
8. circular arc camber electric-field electric desalting tank according to claim 3 a, it is characterised in that left side for the two circular arc cambers electrode
Right two ends are concordant with the circular straight barrel left and right ends.
9. circular arc camber electric-field electric desalting tank according to claim 1, it is characterised in that each circular arc camber electrode is with being somebody's turn to do
The spacing of outer cylinder body is between 1~100 centimetre.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410743070.6A CN105733661B (en) | 2014-12-08 | 2014-12-08 | Circular arc camber electric-field electric desalting tank |
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|---|---|---|---|
| CN201410743070.6A CN105733661B (en) | 2014-12-08 | 2014-12-08 | Circular arc camber electric-field electric desalting tank |
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| CN105733661B true CN105733661B (en) | 2017-09-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4374724A (en) * | 1980-09-15 | 1983-02-22 | Petrolite Corporation | Plural stage desalting/dehydrating apparatus |
| CN200999235Y (en) * | 2007-01-29 | 2008-01-02 | 中国石油化工集团公司 | Electric desalting dewatering equipment |
| CN101191076A (en) * | 2006-12-06 | 2008-06-04 | 辽宁石油化工大学 | Combined electrode electric desalting dewatering equipment |
| CN201506769U (en) * | 2009-09-15 | 2010-06-16 | 中国石油化工集团公司 | Electro-desalting dewatering equipment |
| CN102382674A (en) * | 2010-08-25 | 2012-03-21 | 中国石油化工股份有限公司 | Electrodesalting and electrodehydrating device |
| CN203393107U (en) * | 2013-06-21 | 2014-01-15 | 中国石油天然气股份有限公司 | Oil inlet pipe structure for crude oil electric desalting tank |
-
2014
- 2014-12-08 CN CN201410743070.6A patent/CN105733661B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4374724A (en) * | 1980-09-15 | 1983-02-22 | Petrolite Corporation | Plural stage desalting/dehydrating apparatus |
| CN101191076A (en) * | 2006-12-06 | 2008-06-04 | 辽宁石油化工大学 | Combined electrode electric desalting dewatering equipment |
| CN200999235Y (en) * | 2007-01-29 | 2008-01-02 | 中国石油化工集团公司 | Electric desalting dewatering equipment |
| CN201506769U (en) * | 2009-09-15 | 2010-06-16 | 中国石油化工集团公司 | Electro-desalting dewatering equipment |
| CN102382674A (en) * | 2010-08-25 | 2012-03-21 | 中国石油化工股份有限公司 | Electrodesalting and electrodehydrating device |
| CN203393107U (en) * | 2013-06-21 | 2014-01-15 | 中国石油天然气股份有限公司 | Oil inlet pipe structure for crude oil electric desalting tank |
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|---|---|
| CN105733661A (en) | 2016-07-06 |
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