CN2813618Y - High-speed electrostatic desalting and dewatering equipment for crude oil - Google Patents

High-speed electrostatic desalting and dewatering equipment for crude oil Download PDF

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Publication number
CN2813618Y
CN2813618Y CNU2005201126450U CN200520112645U CN2813618Y CN 2813618 Y CN2813618 Y CN 2813618Y CN U2005201126450 U CNU2005201126450 U CN U2005201126450U CN 200520112645 U CN200520112645 U CN 200520112645U CN 2813618 Y CN2813618 Y CN 2813618Y
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China
Prior art keywords
oil
crude oil
electrode
horizontal electrode
type horizontal
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Expired - Lifetime
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CNU2005201126450U
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Chinese (zh)
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蒋长胜
孙云
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ZHENJIANG JINMEN INDUSTRY Co Ltd
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ZHENJIANG JINMEN INDUSTRY Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G31/00Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
    • C10G31/08Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by treating with water

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Electrostatic Separation (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

The utility model relates to a high-speed electrostatic desalting and dewatering apparatus for crude oil, which comprises a crude oil electrostatic processing bank, an oil entering main pipe arranged on the outer side of the crude oil electrostatic processing bank, a combined type horizontal electrode, a disc type horizontal electrode, a combined type vertical electrode, an electric desalting transformer of 100% impedance and explosion prevention, a high tension electricity flexible connecting device, a high tension electricity introducing stick, etc., wherein the combined type horizontal electrode and the disc type horizontal electrode are arranged above the central line in the crude oil electrostatic processing tank. The electric desalting transformer of 100% impedance and explosion prevention is arranged above the bank body of the crude oil electrostatic processing bank and is connected with the combined type horizontal electrode by the high tension electricity flexible connecting device and the high tension electricity introducing stick.

Description

Crude oil high speed electric desalting dehydration equipment
Technical field
The utility model belongs to the crude oil upgrading technical field, particularly a kind of crude oil high speed electric desalting dehydration equipment that is used for enterprises such as petrochemical complex, oil refining.
Background technology
Along with the development of petrochemical complex and oil refining industry, in order to obtain the scale and benefit of enterprise, all petrochemical compleies and oil refining enterprise have all proposed the expansion scale, increase year requirement of the former oil mass of processing.Adopt original alternating-current desalination or alternating current-direct current desalting technology, existing crude oil Electrostatic Treatment jar is carried out amplification design according to treatment capacity, investment is big, equipment is huge, floor space is also big.And part petroleum chemical enterprise extends also existence nothing ground available problem in the original place.In order to adapt to the needs of crude oil upgrading expansion capability, some enterprises have released a kind of high speed electric desalting equipment both at home and abroad, but these equipment adapt to the oil product ability, handle the technical indicator that the back oil product does not reach regulation.Some manufacturer can only the first step adopt the high speed electric desalting equipment, and original interchange or alternating current-direct current desalter are still adopted in the second stage, has lost the meaning of using the high speed electric desalting equipment.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of crude oil high speed electric desalting dehydration equipment, it can be under the constant situation of original Electrostatic Treatment tank volume, by changing Electrostatic Treatment jar internal structure external structure, make crude charging capacity reach 1.5~2 times of former treatment capacity.And saliferous is not more than under the situation of 100mg/L before crude Treatment, by the processing of two-stage high speed electric desalting dehydration equipment, reach take off the back salt content in crud oil be not more than this index of 3mg/L.For this reason, the technical scheme that the utility model solves described problem is: a kind of crude oil high speed electric desalting dehydration equipment, it comprises crude oil Electrostatic Treatment jar, be arranged on the oil-feed house steward in the crude oil Electrostatic Treatment jar outside, the oil-feed arm, flow control valve, under meter, the oil-feed sparger, the oil-feed shower nozzle, combined type horizontal electrode and disc type horizontal electrode, the built-up type vertical electrode, the explosion-proof electric desalting transformer of 100% impedance, the high voltage electric flexible connecting device, the high voltage electric leading-in rod, fuel-displaced collecting tubule, controlled mixing equipment, water shoot, downcomer, wherein, in described crude oil Electrostatic Treatment jar medullary ray above combined type horizontal electrode and disc type horizontal electrode are installed, the explosion-proof electric desalting transformer of described 100% impedance is arranged on the tank body top of described crude oil Electrostatic Treatment jar and passes through the high voltage electric flexible connecting device, the high voltage electric leading-in rod is connected with described combined type horizontal electrode, described disc type horizontal electrode is connected with the tank ground line, between described combined type horizontal electrode and described disc type horizontal electrode, be provided with the oil-feed shower nozzle more than at least one, below described disc type horizontal electrode, be provided with the built-up type vertical electrode that is connected with each other and connects, the built-up type vertical electrode, and the other end of described built-up type vertical electrode is connected with the tank ground line, at described built-up type vertical electrode, the below of built-up type vertical electrode is provided with the oil-feed sparger.The described oil-feed house steward who is arranged on the crude oil Electrostatic Treatment jar outside, its house steward comprises that two-way divides oil inlet pipe, a road its pipeline wherein is provided with flow control valve and is connected with described oil-feed shower nozzle with under meter and by the oil-feed arm, and its pipeline of another road is provided with flow control valve and is connected with the oil-feed sparger with under meter and by the oil-feed arm.Described disc type horizontal electrode is a kind of plate-like horizontal electrode with hierarchical structure, and the described relatively crude oil Electrostatic Treatment of electrode jar presses the clearance space setting, and its electrode perimeter has an edge, connects the downcomer more than at least one on its disk body.
Compared to existing technology, the positively effect that the utility model had is: owing in crude oil Electrostatic Treatment jar, have a structure of built-up type vertical electrode, built-up type vertical electrode, therefore can be balanced the treatment capacity of two electric fields of vertical and horizontal direction.When oil product changes, for the treatment effect that guarantees to reach good, can regulate flow control valve, make two electric fields all have best treatment capacity.It can control absolute oil after the lower horizontal electric field treatment velocity of flow that makes progress, the saliferous drops of water fall down that absolute oil come-up after the lower horizontal electric field treatment and top electric field remove is taken their own roads and is not disturbed mutually, moisture in the absolute oil after minimizing is handled, thus make equipment can obtain ideal desalting and dewatering effect.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model crude oil high speed electric desalting dehydration equipment;
Fig. 2 is the side-looking structural representation about Fig. 1.
Among the figure: 1-crude oil Electrostatic Treatment jar, 2-is arranged on the oil-feed house steward in the crude oil Electrostatic Treatment jar outside, 3,4-oil-feed arm, 5,6-flow control valve, 7,8-under meter, 9-oil-feed sparger, 10-oil-feed shower nozzle, 11-combined type horizontal electrode, 12-disc type horizontal electrode, 13,14-built-up type vertical electrode, the explosion-proof electric desalting transformer of 15-100% impedance, 16-high voltage electric flexible connecting device, 17-high voltage electric leading-in rod, the fuel-displaced collecting tubule of 18-, the controlled mixing equipment of 19-, the 20-water shoot, the 21-downcomer.
Embodiment
By Fig. 1, Fig. 2, the utility model relates to a kind of crude oil high speed electric desalting dehydration equipment, it comprises crude oil Electrostatic Treatment jar 1, be arranged on the oil-feed house steward 2 in crude oil Electrostatic Treatment jar 1 outside, oil-feed arm 3,4, flow control valve 5,6, under meter 7,8, oil-feed sparger 9, oil-feed shower nozzle 10, combined type horizontal electrode 11 and disc type horizontal electrode 12, built-up type vertical electrode 13 and 14, the explosion-proof electric desalting transformer 15 of 100% impedance, high voltage electric flexible connecting device 16, high voltage electric leading-in rod 17, fuel-displaced collecting tubule 18, controlled mixing equipment 19, water shoot 20, downcomer 21, wherein, in described crude oil Electrostatic Treatment jar 1 medullary ray above combined type horizontal electrode 11 and disc type horizontal electrode 12 are installed, the explosion-proof electric desalting transformer 15 of described 100% impedance is arranged on the tank body top of described crude oil Electrostatic Treatment jar 1 and passes through high voltage electric flexible connecting device 16, high voltage electric leading-in rod 17 is connected with described combined type horizontal electrode 11, described disc type horizontal electrode 12 is connected with the tank ground line, between described combined type horizontal electrode 11 and described disc type horizontal electrode 12, be provided with the oil-feed shower nozzle 10 more than at least one, below described disc type horizontal electrode 12, be provided with the built-up type vertical electrode 13 that is connected with each other and connects, built-up type vertical electrode 14, and the other end of described built-up type vertical electrode 14 is connected with the tank ground line, at described built-up type vertical electrode 13, the below of built-up type vertical electrode 14 is provided with oil-feed sparger 9.Described oil-feed house steward 2 is arranged on 1 outside of crude oil Electrostatic Treatment jar, its house steward comprises that two-way divides oil inlet pipe, a road its pipeline wherein is provided with flow control valve 5 and is connected with described oil-feed shower nozzle 10 with under meter 7 and by oil-feed arm 3, and its pipeline of another road is provided with flow control valve 6 and is connected with oil-feed sparger 9 with under meter 8 and by oil-feed arm 4.Described disc type horizontal electrode 12 be a kind of have hierarchical structure for the plate-like horizontal electrode, and the described relatively crude oil Electrostatic Treatment of electrode 12 jar press the clearance space setting, its electrode perimeter has an edge, the downcomer 21 of connection more than at least one on its disk body.In this case, be covered with crude oil between built-up type vertical electrode 13 in crude oil Electrostatic Treatment jar 1 and the built-up type vertical electrode 14, and the saliferous water droplet under the coalescent sedimentation of forming by combined type horizontal electrode 11 and disc type electrode 12 of vertical electric field, all be flocked in the disc type horizontal electrode 12, because the relative tertiary location between disc type horizontal electrode 12 and the crude oil Electrostatic Treatment jar 1, the saliferous water droplet during disc type horizontal electrode 12 dishes are interior enters in the water layer of crude oil Electrostatic Treatment jar 1 bottom by some downcomers 21.This device is when operation, undressed crude oil is after injecting controlled mixing tank 19 mixing of fresh water and emulsion splitter process, through oil-feed house steward 2, by oil-feed arm 3 and 4) divide two-way one tunnel to enter the vertical electric field of forming by combined type horizontal electrode 11 and disc type horizontal electrode 12, another road enters built-up type vertical electrode 13 and 14 horizontal component of electric fields of forming.Be separately installed with flow control valve 5,6 on the oil-feed arm 3 and 4, under meter 7,8 can be regulated the oil hydrosol flow that enters two electric fields according to the difference of oil product, makes two electric fields all by having optimum capacity.By oil-feed arm and 4 and the water solution of oil of oil-feed sparger 9 ejection, enter built-up type vertical electrode 13 and 14 and form weak electric field and highfield, the saliferous water droplets coalescence is settled down to the water layer of crude oil Electrostatic Treatment jar 1 under the effect of electrical forces, absolute oil come-up after the processing, by disc type horizontal electrode 12 passage between any two, and the passage between disc type horizontal electrode 12 and the crude oil Electrostatic Treatment jar 1 enters top absolute oil layer.Water solution of oil by oil-feed arm 3 and 10 ejections of oil-feed shower nozzle, enter the vertical electric field that combined type horizontal electrode 11 and disc type horizontal electrode 12 are formed, under the effect of electrical forces, the saliferous water droplets coalescence is settled down in the dish of disc type horizontal electrode 12, by some downcomers 21 brackish water is entered in the water layer of crude oil Electrostatic Treatment jar 1 bottom.The diameter of water shoot 21 and quantity, what calculate and determine according to water displacement.Absolute oil through after the vertical electric field processing of combined type horizontal electrode 11 and disc type horizontal electrode 12 compositions floats to the absolute oil layer on crude oil Electrostatic Treatment jar 1 top, draws crude oil Electrostatic Treatment jar 1 by fuel-displaced collecting tubule 18.Because the come-up of the absolute oil after the electric field treatment of bottom is by disc type horizontal electrode 12 passage between any two, and passage between disc type horizontal electrode 12 and the crude oil Electrostatic Treatment jar 1, enters crude oil Electrostatic Treatment jar 1 top absolute oil layer.The brackish water that the top electric field removes is deposited in the dish of disc type horizontal electrode 12, by some downcomers 21, brackish water is entered the water layer of crude oil Electrostatic Treatment jar 1 bottom.Handle back absolute oil come-up and brackish water and sink to taking their own roads and does not disturb mutually, reduced after handling moisture in the absolute oil, thereby guaranteed that the utility model crude oil static high speed electrical desalting and dehydration equipment can reach ideal desalting and dewatering effect.So device can improve crude Treatment ability and treatment capacity, under the constant situation of original Electrostatic Treatment tank volume, makes crude charging capacity reach 1.5~2 times of former treatment capacity; Be not more than in salt content of crude oil under the situation of 100mg/L, by two-stage crude oil static high speed electrical desalting and dehydration equipment serial operation, can reach take off the back salt content in crud oil be not more than this index of 3mg/L; Reduce facility investment, reduce the floor space of half, make things convenient for the capacity expansion revamping of petroleum chemical enterprise.

Claims (3)

1. crude oil high speed electric desalting dehydration equipment, it comprises crude oil Electrostatic Treatment jar (1), be arranged on the oil-feed house steward (2) in crude oil Electrostatic Treatment jar (1) outside, oil-feed arm (3), (4), flow control valve (5), (6), under meter (7), (8), oil-feed sparger (9), oil-feed shower nozzle (10), combined type horizontal electrode (11) and disc type horizontal electrode (12), built-up type vertical electrode (13) and (14), the explosion-proof electric desalting transformer of 100% impedance (15), high voltage electric flexible connecting device (16), high voltage electric leading-in rod (17), fuel-displaced collecting tubule (18), controlled mixing equipment (19), water shoot (20), downcomer (21), it is characterized in that, the top of medullary ray is equipped with combined type horizontal electrode (11) and disc type horizontal electrode (12) in described crude oil Electrostatic Treatment jar (1), the explosion-proof electric desalting transformer of described 100% impedance (15) is arranged on the tank body top of described crude oil Electrostatic Treatment jar (1) and passes through high voltage electric flexible connecting device (16), high voltage electric leading-in rod (17) is connected with described combined type horizontal electrode (11), described disc type horizontal electrode (12) is connected with the tank ground line, between described combined type horizontal electrode (11) and described disc type horizontal electrode (12), be provided with the oil-feed shower nozzle (10) more than at least one, be provided with the built-up type vertical electrode (13) that is connected with each other and connects in the below of described disc type horizontal electrode (12), built-up type vertical electrode (14), and the other end of described built-up type vertical electrode (14) is connected with the tank ground line, at described built-up type vertical electrode (13), the below of built-up type vertical electrode (14) is provided with oil-feed sparger (9).
2. crude oil high speed electric desalting dehydration equipment according to claim 1, it is characterized in that, the described oil-feed house steward (2) who is arranged on crude oil Electrostatic Treatment jar (1) outside, its house steward comprises that two-way divides oil inlet pipe, a road its pipeline wherein is provided with flow control valve (5) and is connected with described oil-feed shower nozzle (10) with under meter (7) and by oil-feed arm (3), and its pipeline of another road is provided with flow control valve (6) and is connected with oil-feed sparger (9) with under meter (8) and by oil-feed arm (4).
3. crude oil high speed electric desalting dehydration equipment according to claim 1, it is characterized in that, described disc type horizontal electrode (12) is a kind of plate-like horizontal electrode with hierarchical structure, and the described relatively crude oil Electrostatic Treatment of electrode (12) jar is pressed the clearance space setting, its electrode perimeter has an edge, connects the downcomer (21) more than at least one on its disk body.
CNU2005201126450U 2005-07-07 2005-07-07 High-speed electrostatic desalting and dewatering equipment for crude oil Expired - Lifetime CN2813618Y (en)

Priority Applications (1)

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CNU2005201126450U CN2813618Y (en) 2005-07-07 2005-07-07 High-speed electrostatic desalting and dewatering equipment for crude oil

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Application Number Priority Date Filing Date Title
CNU2005201126450U CN2813618Y (en) 2005-07-07 2005-07-07 High-speed electrostatic desalting and dewatering equipment for crude oil

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Cited By (6)

* Cited by examiner, † Cited by third party
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
CN102260522A (en) * 2011-06-21 2011-11-30 沈阳新电脱盐设备制造厂 High-voltage introduction connecting device for electrical desalting tank
CN102585892A (en) * 2012-02-21 2012-07-18 中国石油大学(北京) Crude oil electro-desalting dehydrator based on double-phase and single-phase rectifier power supply
CN102618318A (en) * 2011-01-30 2012-08-01 长江(扬中)电脱盐设备有限公司 Clapboard-type electric desalting and dehydration device
CN102732296A (en) * 2012-07-26 2012-10-17 中国海洋石油总公司 High water-content crude oil electrostatic dehydration device
CN102827630A (en) * 2012-08-09 2012-12-19 中国石油化工股份有限公司 Electrostatic coalescence water knockout drum for crude oil

Cited By (8)

* Cited by examiner, † Cited by third party
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
CN102618318A (en) * 2011-01-30 2012-08-01 长江(扬中)电脱盐设备有限公司 Clapboard-type electric desalting and dehydration device
CN102618318B (en) * 2011-01-30 2014-07-30 长江(扬中)电脱盐设备有限公司 Clapboard-type electric desalting and dehydration device
CN102260522A (en) * 2011-06-21 2011-11-30 沈阳新电脱盐设备制造厂 High-voltage introduction connecting device for electrical desalting tank
CN102585892A (en) * 2012-02-21 2012-07-18 中国石油大学(北京) Crude oil electro-desalting dehydrator based on double-phase and single-phase rectifier power supply
CN102732296A (en) * 2012-07-26 2012-10-17 中国海洋石油总公司 High water-content crude oil electrostatic dehydration device
CN102732296B (en) * 2012-07-26 2014-05-14 中国海洋石油总公司 High water-content crude oil electrostatic dehydration device
CN102827630A (en) * 2012-08-09 2012-12-19 中国石油化工股份有限公司 Electrostatic coalescence water knockout drum for crude oil

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C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Sun Yun

Inventor after: Li Hong

Inventor after: Jiang Changsheng

Inventor before: Jiang Changsheng

Inventor before: Sun Yun

COR Change of bibliographic data

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C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Jiang Changsheng

Inventor after: Sun Yun

Inventor before: Sun Yun

Inventor before: Li Hong

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COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: SUN YUN LI HONG JIANG ZHANGSHENG TO: JIANG ZHANGSHENG SUN YUN

EE01 Entry into force of recordation of patent licensing contract

Assignee: JIANGSU JINMEN ENERGY EQUIPMENT CO., LTD.

Assignor: Zhenjiang Jinmen Industry Co., Ltd.

Contract record no.: 2014320000301

Denomination of utility model: Oil distributor for crude oil high-speed electric desalting and dewatering equipment

Granted publication date: 20060906

License type: Exclusive License

Record date: 20140409

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
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Addressee: Jiang Changsheng

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EXPY Termination of patent right or utility model