CN2311493Y - Multi-stage dispersion and coalescencing crude oil electric desalting and dehydrating equipment - Google Patents
Multi-stage dispersion and coalescencing crude oil electric desalting and dehydrating equipment Download PDFInfo
- Publication number
- CN2311493Y CN2311493Y CN 97203371 CN97203371U CN2311493Y CN 2311493 Y CN2311493 Y CN 2311493Y CN 97203371 CN97203371 CN 97203371 CN 97203371 U CN97203371 U CN 97203371U CN 2311493 Y CN2311493 Y CN 2311493Y
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- desalting
- horizontal electrode
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- crude oil
- electrode plate
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Abstract
The utility model relates to a multi-speed dispersion and agglutinated crude oil electric desalting and dehydrating equipment. In the electric desalting drain sump (1) interior are furnished with horizontal electrode plates (3, 4, 5). These horizontal electrode plates are arranged baffle plate on the top and bottom of the horizontal electrode plates (3, 4, 5) respectively and are hung installed on the electrode plate (8, 9) on the baffle plates. 9. The major advantage of the equipment is that it is able to enhance desalinization squeeze ratio and lowered specific power consumption. On the condition of original desalinization drain sump constancy of volume, the equipment is able to augment crude charging capacity by a relatively great amplitude. And When the salt content of crude oil is not very high, desalinization is able to within reach prescribed desalinization dehydration index.
Description
The utility model belongs to a kind of petrochemical equipment, particularly in a kind of coalescent electrical desalting and dehydration equipment of multistage dispersion of crude oil.
All contain water after crude oil is exploited out, all be dissolved with NaCl, CaCl in these water
2, MgCl
2Deng salt and other impurity.In order to alleviate the corrosion of equipment, prolong the work-ing life of catalyzer, satisfy the requirement of crude oil deep processing, petrochemical enterprise must carry out pre-treatment to crude oil, with the salt in the crude oil and other impurity removal, and reaches certain index.What prior art adopted is the technology of washing crude oil with fresh water.With certain quantity of fresh water, emulsion splitter adds in the crude oil, mixes through mixing tank, with mixed emulsion process oil inlet pipe, is transported in the electrical desalter and goes then.In divider entered jar, the salt in the crude oil was dissolved in water droplet and irregularly is distributed in the oil phase emulsion by the desalter bottom.Prior art adopts and set up alternating-electric field in the electrical oil dewatering salt cellar, perhaps set up the method for AC-DC two-fold electric field, when mixed emulsion from bottom to top passes through alternating-electric field or DC electric field, small water droplet is produced induced charge by the electric field induction polarization, has formed the dipole electric field of varying strength between these charged dipoles each other.Under the effect of extra electric field and dipole electric field, small water droplet trend aligns along the power line direction.There is a natural attraction between the sexes between the adjacent water droplet, and the same sex is repelled each other, and under the effect of this coalescence force, small water droplet is close to each other, and is elongated and is elliposoidal, simultaneously drawing oil water termination material.When coalescence force is enough extruded boundary material, and can make the intermolecular attraction of water-water system reach effective numerical value the time, tiny droplets just cohesion is big water droplet.Because the water oil ratio method of double differences, when drops of water fall down speed surpassed the current lift velocity, water droplet is sedimentation and separating of oil just, discharged at the bottom of jar, and salt soluble in water also is removed thereupon in the crude oil.Because some salt solution droplet fails to be agglomerated into big water droplet, take out of outside the jar together with the oily stream that the big water droplet of minority is risen, add a water washing not exclusively, fully and thoroughly.Therefore, prior art desalting and dewatering rate is not high, must contact same electric desalting equipment, carries out secondary even three grades of desalinations, just can reach the desalting and dewatering index, the cost of equipment height, and floor space is big, and treatment capacity is little; The power consumption height.
The purpose of this utility model is to overcome problems of the prior art, the special coalescent crude oil electric desalting dewatering equipment of a kind of multistage dispersion that proposes.
The technical scheme of the coalescent crude oil electric desalting dewatering equipment of this multistage dispersion is: the coalescent crude oil electric desalting dewatering equipment of a kind of multistage dispersion, it is mainly by mixing tank (11), electrodesalting and electrodehydrating jar (1), the explosion-proof electric desalting transformer of 100% high resistance (2), high voltage electric flexible connector (13), high voltage electric leading-in rod (14), oil collecting box (17), oil outlet pipe (18), rising pipe (15), horizontal electrode plate (3,4,5) and variable field forceful electric power pole plate (8,9) constitute, it is characterized in that in electrodesalting and electrodehydrating jar (1), horizontal electrode plate (3 being installed, 4,5), be contained in horizontal electrode plate (3 respectively, 4,5) on, under flow-stopping plate (6), be installed in the variable field forceful electric power pole plate (8 of flow-stopping plate (6) top with suspension, 9), at horizontal electrode plate (3,4) and (4, several oil-feed dividers (12) also are housed 5), on flow-stopping plate (6) and variable field forceful electric power pole plate (8,9) under, at passage place some inverse water pipes (7) are installed, offer plurality of nozzles (16) thereon to the stream that oils.The explosion-proof electric desalting transformer of 100% high resistance (2) in the top of electrodesalting and electrodehydrating jar (1) can replace with the explosion-proof booster converter of 100% impedance.Be coated with one deck zinc alloy on the inwall of electrodesalting and electrodehydrating jar (1), its thickness is 0.3-0.6mm.The middle body of described variable field forceful electric power pole plate (8,9) is a metallic substance, and its neighboring area is an insulating material.Described horizontal electrode plate (3,4,5) is the arachnoid metal construction, by central authorities to around its spacing by rare to close.
The major advantage of electrical desalting and dehydration equipment of the present utility model is that it can improve the desalting and dewatering rate, reduce unit consumption of energy, under the constant situation of former desalting and dewatering tank volume, can increase crude charging capacity by a relatively large margin, when salt content of crude oil is not very high, single jar of desalination just can reach the desalting and dewatering index of regulation, thereby reduces facility investment, increases economic efficiency.
Specifically describe for further specifying the structure of equipment of the present utility model, reaching in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the skeleton view of the coalescent crude oil electric desalting dewatering equipment of this multistage dispersion, and part is a sectional view.
In the drawings: 1 desalting and dewatering jar, 2 transformers, 3,4,5 horizontal electrode plates, 6 flow-stopping plates, 7 water injection pipes, 8,9 variable field forceful electric power pole plates, 10 oil inlet pipes, 11 oil-water mixers, 12 oil-feed dividers, 13 high voltage electric flexible connectors, 14 high voltage electric leading-in rods, 15 rising pipes, 16 nozzles, 17 oil headers, 18 oil outlet pipes.Represent that to upward arrow oil flows to, arrow is represented current direction downwards.
Embodiment:
Equipment as shown in Figure 1, it is mainly by mixing tank (11), electrodesalting and electrodehydrating jar (1), the explosion-proof electric desalting transformer of 100% high resistance (2), high voltage electric flexible connector (13), high voltage electric leading-in rod (14), oil collecting box (17), oil outlet pipe (18), rising pipe (15), horizontal electrode plate (3,4,5) and variable field forceful electric power pole plate (8,9) constitute, it is characterized in that in electrodesalting and electrodehydrating jar (1), horizontal electrode plate (3 being installed, 4,5), be contained in horizontal electroplax plate (3 respectively, 4,5) on, under flow-stopping plate (6) and the suspension variable field forceful electric power pole plate (8,9) that is installed in flow-stopping plate (6) top, at horizontal electrode plate (3,4) and (4, several oil-feed dividers (12) also are housed 5), on flow-stopping plate (6) and variable field forceful electric power pole plate (8,9) under, some inverse water pipes (7) are installed, offer plurality of nozzles (16) thereon at passage place to the stream that oils.
Electrodesalting and electrodehydrating jar (1) is the elongated vessel of horizontal positioned, jar inner-wall spraying one deck zinc alloy, thickness is 0.5mm.The high-tension current of the explosion-proof electric desalting transformer of 100% high resistance (2) output, through high voltage electric flexible connector (13) and high voltage electric leading-in rod (14), be applied on variable field forceful electric power pole plate (8) and the horizontal electrode plate (4), variable field forceful electric power pole plate (9) and horizontal electrode plate (3) and (5) are ground connection respectively.
The utility model one-level is disperseed coalescent, and just once washing is to realize like this.
Crude oil, the emulsion that emulsion splitter and fresh water form after oil-water mixer (11) mixes, through oil inlet pipe (10) and former oil dispenser (12), uniformly distributing is in plurality of sections horizontal electrode plate (3) and (4), between (4) and (5).Because in horizontal electrode plate (3) top, (5) below all is equipped with flow-stopping plate (6),, can not flow up and down so emulsion is mobile about can only be forwards, backwards between (4) and (5) between horizontal electrode plate (3) and (4).Horizontal electrode plate (3,4,5) is the arachnoid metal structure, from central authorities to around the net spacing by rare to close.Between horizontal electrode plate (3) and (4), between (4) and (5), from the middle section to the peripheral regions, exist an enhanced electric-force gradient gradually like this.When emulsion from former oil dispenser (12) ejection, cover horizontal electrode plate (3) and (4), during the weak electric field of middle section, under the effect of weak electric field, the small water droplet of saliferous is agglomerated into water droplet greatly between (4) and (5).Because the water oil ratio method of double differences, big water droplet is deposited on flow-stopping plate (6) lower plate.The water that is deposited on flow-stopping plate (6) lower plate flows to plate four limits, is deposited to the bottom of electrodesalting and electrodehydrating jar (1) at last, becomes the part of water body, drains from rising pipe (15).Remove the emulsion of bigger a part of water, in horizontal electrode plate (3) and (4), (4) and between (5) from weak electric field to around flow, when arriving strong electric field region, littler more stable dispersive saliferous water droplet is agglomerated into big water droplet, with last same, coalescent water is deposited in the water body at last, drains from rising pipe (15).
The utility model secondary washing, secondary dispersion just is coalescent to be to realize like this.
Crude oil after desalting and dewatering of horizontal electrode plate (3,4,5) is handled, from the some disconnections of horizontal electrode plate (3,4,5) position, with along desalting and dewatering jar (1) tank skin to the upper reaches liter, through inverse water pipe (7) and nozzle (16), the capillary fresh water droplet of ejection is dispersed in the oil stream of rising.Be dispersed in the fresh water droplet in the oil stream that rises, crude oil is carried out secondary washing, the saliferous water droplet dilution that makes a time desalting and dewatering does not purify.Under the drive of oil stream, brackish water droplet and crude oil hang variable field forceful electric power pole plate (8) and (9) intermediary parallel channels of installing by some groups to be passed through.Variable field forceful electric power pole plate (8) and (9), central part is that metallic substance is made, four sides fringe region up and down is that insulating material is made, during the equipment operation, when crude oil passes through variable field forceful electric power pole plate (8) and (9) lower end insulative material region, be subjected to an influence of enhanced electric-force gradient gradually, at this moment bigger and more unsettled dispersion brackish water droplet is agglomerated into bigger droplet sedimentation.When the middle part that enters variable field forceful electric power pole plate (8,9), metallic substance is made when regional, is subjected to the influence of a uniform high field gradient, and littler more stable brackish water droplet is agglomerated into big droplet sedimentation.Oil flows to the top into variable field forceful electric power pole plate (8,9), insulating material is made when regional, be subjected to the influence of an electric-force gradient that weakens gradually, do not have between the settled big droplet further coalescent sedimentation between big droplet and the littler droplet here at the middle part.
Crude oil through the coalescent multistage electric field desalting and dewatering of twice dispersion was handled upwards flows, and through the oily collecting box (17) and the oil outlet pipe (18) on electrodesalting and electrodehydrating jar (1) top, will take away through the crude oil that desalting and dewatering is handled.
Claims (5)
1, the coalescent crude oil electric desalting dewatering equipment of a kind of multistage dispersion, it is mainly by mixing tank (11), electrodesalting and electrodehydrating jar (1), the explosion-proof electric desalting transformer of 100% high resistance (2), high voltage electric flexible connector (13), high voltage electric leading-in rod (14), oil collecting box (17), oil outlet pipe (18), rising pipe (15), horizontal electrode plate (3,4,5) and variable field forceful electric power pole plate (8,9) constitute, it is characterized in that in electrodesalting and electrodehydrating jar (1), horizontal electrode plate (3 being installed, 4,5), be contained in horizontal electrode plate (3 respectively, 4,5) on, under flow-stopping plate (6) and the suspension variable field forceful electric power pole plate (8,9) that is installed in flow-stopping plate (6) top, at horizontal electrode plate (3,4) and (4, several oil-feed dividers (12) also are housed 5), on flow-stopping plate (6) and variable field forceful electric power pole plate (8,9) under, some inverse water pipes (7) are installed, offer plurality of nozzles (16) thereon at passage place to the stream that oils.
2, electrical desalting and dehydration equipment as claimed in claim 1 is characterized in that can replacing with the explosion-proof booster converter of 100% impedance at the explosion-proof electric desalting transformer of 100% high resistance (2) of the top of electrodesalting and electrodehydrating jar (1).
3, electrical desalting and dehydration equipment as claimed in claim 1 is characterized in that being coated with one deck zinc alloy on the inwall of electrodesalting and electrodehydrating jar (1), its thickness is 0.3-0.6mm.
4, electrical desalting and dehydration equipment as claimed in claim 1 is characterized in that the middle body of described variable field forceful electric power pole plate (8,9) is a metallic substance, and its neighboring area is an insulating material.
5, electrical desalting and dehydration equipment as claimed in claim 1 is characterized in that described horizontal electrode plate (3,4,5) for the arachnoid metal construction, by central authorities to its spacing all around by rare to close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97203371 CN2311493Y (en) | 1997-04-11 | 1997-04-11 | Multi-stage dispersion and coalescencing crude oil electric desalting and dehydrating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97203371 CN2311493Y (en) | 1997-04-11 | 1997-04-11 | Multi-stage dispersion and coalescencing crude oil electric desalting and dehydrating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2311493Y true CN2311493Y (en) | 1999-03-24 |
Family
ID=33924256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97203371 Expired - Lifetime CN2311493Y (en) | 1997-04-11 | 1997-04-11 | Multi-stage dispersion and coalescencing crude oil electric desalting and dehydrating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2311493Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191076B (en) * | 2006-12-06 | 2010-12-22 | 辽宁石油化工大学 | Combined electrode electric desalting dewatering equipment |
| CN102021019A (en) * | 2009-09-23 | 2011-04-20 | 北京石油化工学院 | Novel high-efficiency crude oil electric dehydration and desalination method and equipment |
| CN102021020A (en) * | 2009-09-23 | 2011-04-20 | 北京石油化工学院 | Dielectrophoresis demulsification mechanism-based novel crude oil electric dehydration and desalination method and equipment |
| CN102061188A (en) * | 2009-11-16 | 2011-05-18 | 江苏三星化工有限公司 | Novel high-speed electrical desalting and dewatering apparatus |
| CN101104818B (en) * | 2006-07-12 | 2011-06-08 | 镇江金门实业有限公司 | Double-oil-feeding double-electric-field electric desalting and dewatering device |
| CN102086406A (en) * | 2009-12-08 | 2011-06-08 | 江苏三星化工有限公司 | High-frequency intelligent response electro-desalting complete 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 |
| CN102796554A (en) * | 2012-06-06 | 2012-11-28 | 胜利油田胜利勘察设计研究院有限公司 | High frequency resonant induction coalescence type oil-gas-water separating device |
| CN102994140A (en) * | 2011-09-09 | 2013-03-27 | 中国石油化工股份有限公司 | Crude oil electric desalting and dehydrating device and method |
| CN102994139A (en) * | 2011-09-09 | 2013-03-27 | 中国石油化工股份有限公司 | Electric desalting and dehydrating device, and electric desalting and dehydrating method |
| CN106433728A (en) * | 2016-12-07 | 2017-02-22 | 江苏金门能源装备有限公司 | Coal tar desalination and dehydration device and method for treating overwater tar and underwater tar by device |
| CN108753351A (en) * | 2018-06-12 | 2018-11-06 | 帕提古丽·奥布力 | A kind of Multistage dispersion coalescence crude oil electric desalting dewatering equipment |
-
1997
- 1997-04-11 CN CN 97203371 patent/CN2311493Y/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104818B (en) * | 2006-07-12 | 2011-06-08 | 镇江金门实业有限公司 | Double-oil-feeding double-electric-field electric desalting and dewatering device |
| CN101191076B (en) * | 2006-12-06 | 2010-12-22 | 辽宁石油化工大学 | Combined electrode electric desalting dewatering equipment |
| CN102021019A (en) * | 2009-09-23 | 2011-04-20 | 北京石油化工学院 | Novel high-efficiency crude oil electric dehydration and desalination method and equipment |
| CN102021020A (en) * | 2009-09-23 | 2011-04-20 | 北京石油化工学院 | Dielectrophoresis demulsification mechanism-based novel crude oil electric dehydration and desalination method and equipment |
| CN102061188A (en) * | 2009-11-16 | 2011-05-18 | 江苏三星化工有限公司 | Novel high-speed electrical desalting and dewatering apparatus |
| CN102086406A (en) * | 2009-12-08 | 2011-06-08 | 江苏三星化工有限公司 | High-frequency intelligent response electro-desalting complete 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 |
| CN102382674B (en) * | 2010-08-25 | 2014-05-14 | 中国石油化工股份有限公司 | Electrodesalting and electrodehydrating device |
| CN102994140A (en) * | 2011-09-09 | 2013-03-27 | 中国石油化工股份有限公司 | Crude oil electric desalting and dehydrating device and method |
| CN102994139A (en) * | 2011-09-09 | 2013-03-27 | 中国石油化工股份有限公司 | Electric desalting and dehydrating device, and electric desalting and dehydrating method |
| CN102994140B (en) * | 2011-09-09 | 2015-01-21 | 中国石油化工股份有限公司 | Crude oil electric desalting and dehydrating device and method |
| CN102994139B (en) * | 2011-09-09 | 2015-03-25 | 中国石油化工股份有限公司 | Electric desalting and dehydrating device, and electric desalting and dehydrating method |
| CN102796554A (en) * | 2012-06-06 | 2012-11-28 | 胜利油田胜利勘察设计研究院有限公司 | High frequency resonant induction coalescence type oil-gas-water separating device |
| CN102796554B (en) * | 2012-06-06 | 2015-04-15 | 胜利油田胜利勘察设计研究院有限公司 | High frequency resonant induction coalescence type oil-gas-water separating device |
| CN106433728A (en) * | 2016-12-07 | 2017-02-22 | 江苏金门能源装备有限公司 | Coal tar desalination and dehydration device and method for treating overwater tar and underwater tar by device |
| CN108753351A (en) * | 2018-06-12 | 2018-11-06 | 帕提古丽·奥布力 | A kind of Multistage dispersion coalescence crude oil electric desalting dewatering equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |