CN106947518A - A kind of circuit simulated experiment crude dehydrating plant and method - Google Patents
A kind of circuit simulated experiment crude dehydrating plant and method Download PDFInfo
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- CN106947518A CN106947518A CN201710314819.9A CN201710314819A CN106947518A CN 106947518 A CN106947518 A CN 106947518A CN 201710314819 A CN201710314819 A CN 201710314819A CN 106947518 A CN106947518 A CN 106947518A
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- crude oil
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/06—Dewatering or demulsification of hydrocarbon oils with mechanical means, e.g. by filtration
-
- 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
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/30—Fractionating columns with movable parts or in which centrifugal movement is caused
-
- 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
- C10G2300/10—Feedstock materials
- C10G2300/1033—Oil well production fluids
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention relates to a kind of circuit simulated experiment crude dehydrating plant and method, the device is main to be made up of heating stirring dewatering unit, air cooling buffer cell, water-cooled condensing unit and separation and recovery unit.Wherein, heating stirring dewatering unit is used for heating crude oil stirring and dehydration by evaporation, air cooling buffer cell is used for air cooling and buffering to water vapour and light component, water-cooled condensing unit circulating water further makes water vapour and light component liquefy, and separation and recovery unit is used to separate and recover the light component and water after liquefaction.Crude oil dehydration method of the present invention is to make the moisture evaporation in crude oil by heating, and by the light components in condensation, separation, recovered steam, reaches the purpose that crude oil dehydration and light component are reclaimed.The present invention has the advantages that treating capacity is big, process simple, easy to use and low cost, can meet the requirement that circuit simulated experiment is dehydrated to crude oil.
Description
Technical field
Crude oil is dehydrated with crude dehydrating plant and using the device the present invention relates to a kind of circuit simulated experiment
Method.
Background technology
To carry out indoor crude oil experimental study, many scientific research institutions establish all kinds of for untreated oil line characteristic, two in succession
The circuit analogue means of the research such as phase stream and multiphase flow, but substantial amounts of crude oil is needed in circuit simulated experiment.On the one hand, from
Often contain a certain proportion of moisture in the oil sample of oil field shaft mouth collection, this can produce considerable influence to the test of crude oil basic physical properties
And cannot be used directly for preparing the mixed crude of various moisture ratio；On the other hand, it is former after each circuit profit simulated experiment
Oil and water can be mixed to form emulsion and cause separation difficult, it is impossible to directly reclaim crude oil recycling, often need profit is thorough
Separation.Therefore, need to be dehydrated crude oil often in progress circuit profit simulated experiment.
At present, domestic and international laboratory using sedimentation separation dehydration, electric dehydration and adds the methods such as demulsifier to aqueous original mostly
Oil is dehydrated, and generally existing dehydrating amount is small, cost is high, efficiency is low and the problems such as complex operation.For this reason, it may be necessary to seek a kind of suitable
Close that the treating capacity that laboratory circuit simulation experiment study needs is big, processing is simple and crude dehydrating plant and its dehydration of low cost
Method.
The content of the invention
It is an object of the invention to provide a kind of circuit simulated experiment crude dehydrating plant, with treating capacity is big, processing
Simply, the advantages of easy to use and low cost, the requirement that circuit simulated experiment is dehydrated to crude oil can be met.
Another object of the present invention also resides in a kind of crude oil dehydration method based on said apparatus of offer, and this method principle can
Lean on, easy to operate, dewatering efficiency it is high.
To achieve the above objectives, on the one hand, the present invention uses following technical scheme：
A kind of circuit simulated experiment crude dehydrating plant, mainly by heating stirring dewatering unit, air cooling buffer cell, water
Cold condensing unit and separation and recovery unit composition.Wherein, heating stirring dewatering unit is used to stirring heating crude oil and evaporating de-
Water, air cooling buffer cell is used for air cooling and buffering to water vapour and light component, and water-cooled condensing unit is further with circulating water
Water vapour and light component is set to liquefy, separation and recovery unit is used to separate the light component and water after liquefaction, so as to reach that crude oil is dehydrated
And the purpose that light component is reclaimed.
The heating stirring dewatering unit it is main by electric boiling plate, staving, bung, heat-insulation layer, K-type thermocouple, temperature controller,
Agitator, steam outlet and silk screen froth breaker etc. are constituted.Wherein, electric boiling plate by the heating crude oil in bucket to 110 DEG C or so,
Evaporate former water content in oil；To reduce the thermal loss of staving, in staving and bung outer surface covering and heat insulating layer；In order that steam
Discharged as far as possible from steam outlet, reduce the leakage of steam, add flange sealing ring at bung edge, and fastened with clamp button of the spring
Staving and bung, it is ensured that sealing property；To reach acceleration moisture evaporation and making the purpose that crude oil is heated evenly in bucket, using stirring
Device stirs crude oil, and the agitator is made up of rotational speed governor, motor, agitating shaft and blade；For crude oil temperature in control bucket, adopt
With K-type thermocouple as temperature sensor, it is 110 DEG C to control crude oil temperature in bucket by temperature controller；Due to being steamed in stirring, heating
A certain amount of foam may be produced during hair, causes the excessive of profit, therefore silk screen froth breaker is set in steam outlet
To eliminate foam.
The air cooling buffer cell is mainly made up of U-shaped steel pipe, U-shaped steel pipe heat-insulation layer and distilling flask, the steam of staving
Floss hole is connected through U-shaped steel pipe with distilling flask；To avoid steam, condensing reflux is to staving in U-shaped steel pipe, on U-shaped steel pipe
Covering and heat insulating layer, steam is tentatively cooled down and buffered in distilling flask.
The water-cooled condensing unit is mainly made up of serpentine condenser and rubber water inlet pipe and water outlet pipe, and the steam after air cooling is snakelike
It is cooled directly with water again in condenser pipe, conical flask is flowed into after liquefaction.
The separation and recovery unit is mainly made up of conical flask and separatory funnel etc., after the completion of crude oil dehydration in bucket, will
The liquid collected in bung, silk screen froth breaker, distilling flask and conical flask pours into separatory funnel, uses separatory funnel oil-water separation,
It will finally reclaim and pour into the crude oil after dehydration and stir after the light oil after dehydration is weighed, reach that light components reclaim purpose.
On the other hand, the present invention uses following technical scheme：
A kind of crude oil dehydration method based on said apparatus, comprises the following steps successively：
(1) weighing needs dewatered oil and pours into bucket, covers bung, fastens clamp button of the spring and inserts K-type thermocouple probe,
Then staving is placed on electric boiling plate；
(2) U-shaped steel pipe, distilling flask, serpentine condenser are sequentially connected from the steam outlet of bung, in serpentine condenser
Exit connects conical flask；
(3) circulating condensing water entrance valve, temperature controller power supply are opened successively, are after 110 DEG C by temperature controller temperature setting,
Open the power switch of electric boiling plate, begin to warm up dehydration, then turn on agitator, adjust the rotating speed of agitator to it is suitable greatly
Small, crude oil reaches acceleration moisture evaporation and makes the purpose that crude oil is heated evenly in bucket in agitator；
(4) when serpentine condenser, which exports condensate liquid moisture-free, or continues heating is produced without steam, show inside crude oil
Moisture be evaporated, be then turned off the power switch of electric boiling plate, disconnect the connection of bung and U-shaped steel pipe, open bung
Weigh and pour out the crude oil in bucket；
(5) liquid collected in bung, silk screen froth breaker, distilling flask and conical flask is poured into separatory funnel, with a point liquid
Funnel oil-water separation, will finally reclaim and pours into the crude oil after dehydration and stir after the light oil after dehydration is weighed, reach lightweight
Component reclaims purpose.
Advantages of the present invention：Treating capacity is big, process simple, easy to use, low cost, can meet circuit simulated experiment to original
The requirement of oil dehydration.
Brief description of the drawings
Fig. 1 is a kind of one of circuit simulated experiment crude dehydrating plant schematic diagram of the invention.
Fig. 2 is the two of a kind of circuit simulated experiment crude dehydrating plant schematic diagram of the invention.
Fig. 3 is bung upward view.
Fig. 4 is flange sealing ring enlarged diagram.
Fig. 5 is clamp button of the spring enlarged diagram.
In figure：1-1. heating stirring dewatering units, 1-2. air cooling buffer cells, 1-3. water-cooled condensing units, 1-4. separation
Recovery unit, 1. motors, 2. rotational speed governors, 3. agitating shafts, 4. temperature controllers, 5.K type thermocouples, 6. bung heat-insulation layers, 7. barrels
Lid, 8. clamp button of the spring, 9. staving heat-insulation layers, 10. stavings, 11. blades, 12. steam outlets, 13. flange sealing rings, 14. stir
Mix axle jack, 15. electric boiling plates, 16. silk screen froth breakers, 17.U shape steel tube heat-insulation layers, 18.U shape steel tubes, 19. distilling flask plugs
Son, 20. distilling flasks, 21. serpentine condenser plugs, 22. serpentine condensers, 23. water inlets, 24. delivery ports, 25. conical flasks
Plug, 26. conical flasks, 27. thermocouple jacks, 28. agitators.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of circuit simulated experiment crude dehydrating plant of the invention, is mainly dehydrated by heating stirring
Unit 1-1, air cooling buffer cell 1-2, water-cooled condensing unit 1-3 and separation and recovery unit 1-4 compositions.Wherein, heating stirring takes off
Water unit 1-1 is used for heating crude oil stirring and dehydration by evaporation, and air cooling buffer cell 1-2 is used for the sky to water vapour and light component
Cold and buffering, water-cooled condensing unit 1-3 circulating waters further make water vapour and light component liquefy, separation and recovery unit 1-4
For separating light component and water after liquefaction, so as to reach the purpose that crude oil dehydration and light component are reclaimed.The heating stirring takes off
Water unit 1-1 is main by electric boiling plate 15, staving 10, bung 7, K-type thermocouple 5, temperature controller 4, agitator 28, steam outlet
12 and silk screen froth breaker 16 constitute；Wherein, electric boiling plate 15 makes former water content in oil by the heating crude oil in bucket to 110 DEG C or so
Evaporation；To reduce the thermal loss of staving 10 and bung 7 (referring to Fig. 3), staving heat-insulation layer 9 and bung are covered each by outer surface
Heat-insulation layer 6；In order that steam is discharged from steam outlet 12 as far as possible, the leakage of steam is reduced, it is close plus flange at bung edge
Seal 13 (refers to Fig. 4), and fastens staving 10 and bung 7 with clamp button of the spring 8 (referring to Fig. 5), it is ensured that sealing property；Add to reach
Fast moisture evaporation and make the purpose that crude oil is heated evenly in bucket, crude oil is stirred using agitator 28, the agitator 28 is by rotating speed
Controller 2, motor 1, agitating shaft 3 and blade 11 are constituted；For crude oil temperature in control bucket, passed using K-type thermocouple 5 as temperature
Sensor, it is 110 DEG C to control crude oil temperature in bucket by temperature controller 4；Due to one may be produced during stirring, heating evaporation
Quantitative foam, causes the excessive of profit, therefore set silk screen froth breaker 16 to eliminate foam in steam outlet 12.The sky
Cold buffer unit 1-2 is mainly made up of U-shaped steel pipe 18, U-shaped steel pipe heat-insulation layer 17 and distilling flask 20, the discharge of steam of staving 10
Mouth 12 is connected through U-shaped steel pipe 18 with distilling flask 20；To avoid steam, condensing reflux is to staving 10 in U-shaped steel pipe 18, U-shaped
Heat-insulation layer is covered on steel pipe 18, steam is tentatively cooled down and buffered in distilling flask 20.The water-cooled condensing unit 1-3 master
To be made up of serpentine condenser 22 and rubber water inlet pipe and water outlet pipe, the steam after air cooling is water cooled again in serpentine condenser 22
But, conical flask 26 is flowed into after liquefaction；The separation and recovery unit 1-4 is mainly made up of conical flask 26 and separatory funnel, when in bucket
After the completion of crude oil dehydration, the liquid collected in bung 7, silk screen froth breaker 16, distilling flask 20 and conical flask 26 is poured into a point liquid
Funnel, uses separatory funnel oil-water separation, will finally reclaim and pours into the crude oil after dehydration and stir after the light oil after dehydration is weighed
Mix, reach that light components reclaim purpose.
Weighing needs dewatered oil and pours into bucket, covers bung 7, fastens clamp button of the spring 8 and inserts K-type thermocouple 5 and pops one's head in,
Then staving 10 is placed on electric boiling plate 15；U-shaped steel pipe 18, distillation are sequentially connected from the steam outlet 12 of bung 7 to burn
Bottle 20, serpentine condenser 22, conical flask 26 is connected in the exit of serpentine condenser 22；Circulating condensing water water inlet 23 is opened successively
With the valve of delivery port 24, the power supply of temperature controller 4, by the temperature setting of temperature controller 4 be 110 DEG C after, open electric boiling plate 15 power supply open
Close, begin to warm up dehydration, then turn on agitator 28, the rotating speed of regulation agitator 28 to suitable size, crude oil reaches in agitator
To accelerating moisture evaporation and to make the purpose that crude oil is heated evenly in bucket；When serpentine condenser 22 export condensate liquid moisture-free or after
When continuous heating is produced without steam, show that the moisture inside crude oil is evaporated, be then turned off the power switch of electric boiling plate 15,
The connection of bung 7 and U-shaped steel pipe 18 is disconnected, bung 7 is opened and weighs and pour out the crude oil in bucket；By bung 7, silk screen froth breaker
16th, the liquid collected in distilling flask 20 and conical flask 26 pours into separatory funnel, uses separatory funnel oil-water separation, will finally reclaim
Light oil after dehydration is poured into the crude oil after dehydration and stirred after weighing, and reaches that light components reclaim purpose.
Claims (6)
1. a kind of circuit simulated experiment crude dehydrating plant, mainly by heating stirring dewatering unit (1-1), air cooling buffer cell
(1-2), water-cooled condensing unit (1-3) and separation and recovery unit (1-4) composition, it is characterised in that：The heating stirring dehydration is single
First (1-1) is used for heating crude oil stirring and dehydration by evaporation, and air cooling buffer cell (1-2) is used for the sky to water vapour and light component
Cold and buffering, water-cooled condensing unit (1-3) further makes water vapour and light component liquefy with circulating water, separates and recovers unit
(1-4) is used to separate the light component and water after liquefaction, so as to reach the purpose that crude oil dehydration and light component are reclaimed.
2. a kind of circuit simulated experiment crude dehydrating plant according to claim 1, it is characterised in that：The heating is stirred
Mix dewatering unit (1-1) it is main by electric boiling plate (15), staving (10), bung (7), K-type thermocouple (5), temperature controller (4), stir
Mix device (28), steam outlet (12) and silk screen froth breaker (16) composition；Wherein, electric boiling plate (15) is by the heating crude oil in bucket
To 110 DEG C or so, evaporate former water content in oil；To reduce the thermal loss of staving (10) and bung (7), covered respectively in outer surface
Lid staving heat-insulation layer (9) and bung heat-insulation layer (6)；In order that steam reduces steam as far as possible from steam outlet (12) discharge
Leakage, flange sealing ring (13) is added at bung edge, and fasten staving (10) and bung (7) with clamp button of the spring (8), it is ensured that close
Sealing property；To reach acceleration moisture evaporation and making the purpose that crude oil is heated evenly in bucket, crude oil, institute are stirred using agitator (28)
Agitator (28) is stated to be made up of rotational speed governor (2), motor (1), agitating shaft (3) and blade (11)；For crude oil temperature in control bucket
Degree, using K-type thermocouple (5) as temperature sensor, it is 110 DEG C to control crude oil temperature in bucket by temperature controller (4)；Due to
A certain amount of foam may be produced during stirring, heating evaporation, causes the excessive of profit, therefore in steam outlet (12)
Silk screen froth breaker (16) is set to eliminate foam.
3. a kind of circuit simulated experiment crude dehydrating plant according to claim 1, it is characterised in that：The air cooling delays
Rush unit (1-2) to be mainly made up of U-shaped steel pipe (18), U-shaped steel pipe heat-insulation layer (17) and distilling flask (20), the steaming of staving (10)
Vapour floss hole (12) is connected through U-shaped steel pipe (18) with distilling flask (20)；To avoid steam condensing reflux in U-shaped steel pipe (18)
To staving (10), heat-insulation layer is covered on U-shaped steel pipe (18), steam is tentatively cooled down and buffered in distilling flask (20).
4. a kind of circuit simulated experiment crude dehydrating plant according to claim 1, it is characterised in that：The water-cooled is cold
Solidifying unit (1-3) is mainly made up of serpentine condenser (22) and rubber water inlet pipe and water outlet pipe, and the steam after air cooling is in serpentine condenser
(22) it is cooled directly with water again in, conical flask (26) is flowed into after liquefaction.
5. a kind of circuit simulated experiment crude dehydrating plant according to claim 1, it is characterised in that：It is described to separate back
Receive unit (1-4) to be mainly made up of conical flask (26) and separatory funnel, after the completion of crude oil dehydration in bucket, by bung (7), silk screen
The liquid collected in froth breaker (16), distilling flask (20) and conical flask (26) pours into separatory funnel, and oil is separated with separatory funnel
Water, will finally reclaim and pours into the crude oil after dehydration and stir after the light oil after dehydration is weighed, reach that light components reclaim mesh
's.
6. a kind of dehydration side of the circuit simulated experiment crude dehydrating plant based on described in any one in Claims 1 to 5
Method, comprises the following steps：
Step one：Weighing needs dewatered oil and pours into bucket, covers bung (7), and fastening clamp button of the spring (8) simultaneously inserts K-type thermoelectricity
Staving (10), is then placed on electric boiling plate (15) by the probe of even (5)；
Step 2：U-shaped steel pipe (18), distilling flask (20), snakelike condensation are sequentially connected from the steam outlet (12) of bung (7)
Manage (22), in serpentine condenser (22) exit connection conical flask (26)；
Step 3：Circulating condensing water water inlet (23) and delivery port (24) valve, temperature controller (4) power supply are opened successively, by temperature control
Device (4) temperature setting is after 110 DEG C, the power switch of opening electric boiling plate (15) begins to warm up dehydration, then turns on agitator
(28), the rotating speed of regulation agitator (28) is to suitable size, and crude oil reaches acceleration moisture evaporation and makes crude oil in bucket in agitator
The purpose being heated evenly；
Step 4：When serpentine condenser (22) exports condensate liquid moisture-free or continuation heating is produced without steam, show crude oil
The moisture of the inside is evaporated, is then turned off the power switch of electric boiling plate (15), disconnects bung (7) and U-shaped steel pipe (18)
Connection, open bung (7) and weigh and simultaneously pour out the crude oil in bucket；
Step 5：The liquid collected in bung (7), silk screen froth breaker (16), distilling flask (20) and conical flask (26) is poured into
Separatory funnel, uses separatory funnel oil-water separation, will finally reclaim after the light oil after dehydration is weighed and pours into the crude oil after dehydration
And stir, reach that light components reclaim purpose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710314819.9A CN106947518A (en) | 2017-05-07 | 2017-05-07 | A kind of circuit simulated experiment crude dehydrating plant and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710314819.9A CN106947518A (en) | 2017-05-07 | 2017-05-07 | A kind of circuit simulated experiment crude dehydrating plant and method |
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| CN108007884A (en) * | 2017-12-05 | 2018-05-08 | 西南石油大学 | A kind of viscous crude rate of dissolution measuring device and method in diluent |
| CN109575972A (en) * | 2018-12-22 | 2019-04-05 | 魏新文 | Distillation equipment is used in a kind of production and processing of coal tar |
| CN109648734A (en) * | 2018-12-26 | 2019-04-19 | 贵州大学 | Pasty masses fast melt instrument in a kind of industrial production |
| CN112774233A (en) * | 2020-12-30 | 2021-05-11 | 徐州砥研医药科技有限公司 | Distillation device for preparing pyridine-containing medical intermediate and working method thereof |
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| CN2449777Y (en) * | 2000-10-21 | 2001-09-26 | 赵章才 | Distillation heating device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007884A (en) * | 2017-12-05 | 2018-05-08 | 西南石油大学 | A kind of viscous crude rate of dissolution measuring device and method in diluent |
| CN108007884B (en) * | 2017-12-05 | 2020-06-09 | 西南石油大学 | Device and method for measuring dissolving rate of thickened oil in diluent |
| CN109575972A (en) * | 2018-12-22 | 2019-04-05 | 魏新文 | Distillation equipment is used in a kind of production and processing of coal tar |
| CN109648734A (en) * | 2018-12-26 | 2019-04-19 | 贵州大学 | Pasty masses fast melt instrument in a kind of industrial production |
| CN112774233A (en) * | 2020-12-30 | 2021-05-11 | 徐州砥研医药科技有限公司 | Distillation device for preparing pyridine-containing medical intermediate and working method thereof |
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