CN107355682A - Heavy crude petroleum originates from certainly mixes diluent device - Google Patents
Heavy crude petroleum originates from certainly mixes diluent device Download PDFInfo
- Publication number
- CN107355682A CN107355682A CN201710344551.3A CN201710344551A CN107355682A CN 107355682 A CN107355682 A CN 107355682A CN 201710344551 A CN201710344551 A CN 201710344551A CN 107355682 A CN107355682 A CN 107355682A
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- Prior art keywords
- heat exchanger
- flash column
- viscous crude
- tank
- outlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
- F17D1/17—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by mixing with another liquid, i.e. diluting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention, which provides a kind of heavy crude petroleum and originated from certainly, mixes diluent device, viscous crude field is internally formed closed loop reducing thick oil viscosity system, by setting viscous crude visbreaking technological process in multi-purpose station, while by either shallow thermal cracking, a certain proportion of light component is obtained as reducing thick oil viscosity diluent；According to demand, portion of diluent is returned and mixed to heavy crude well shaft bottom, meets the defeated demand of heavy crude well collection, another part diluent is mixed to visbreaking after-purification viscous crude, meets defeated requirement outside viscous crude；Advantage is：By either shallow thermal cracking, viscous crude viscosity reducing rate reaches more than 95%, and is suitably incorporated self-produced unnecessary diluent, meets defeated condition outside viscous crude；The reducing thick oil viscosity diluent of production is continuously circulated by system, meets the defeated demand of collection of the viscous crude from well head to multi-purpose station, thoroughly solves the problems such as mixing light oil source deficiency, gathering system heating high energy consumption, realizes the defeated inexpensive target of collection of viscous crude.
Description
Technical field
The present invention relates to viscous crude process units field, is originated from certainly more particularly, to a kind of heavy crude petroleum and mixes diluent device.
Background technology
With fast-developing and to oil demand the continuous growth of World Economics, conventional oil reserves are increasingly reduced；Meanwhile
Petroleum technology progress brings heavy oil production to improve constantly, and thickened oil recovery cost constantly reduces, and viscous crude resource will turn into important
Strategy takes over one of energy.
However, the heavy constituent content such as resin and asphalt in viscous crude composition is high, light component content is few, causes the viscous of viscous crude
Spend high, relatively denser, poor fluidity.Because the viscosity of viscous crude is very high, it is conventional manage defeated mode technically with economy
Many problems all be present, this makes viscous crude develop, collect that defeated etc. all there is very big difficulty.Heavy oil transportation and processing are most
Big to hinder to be viscosity height, how to reduce viscosity is to realize the key of super-viscous oil oil field high-efficiency and economic production.Currently used viscous crude
Viscosity reduction conveying technique mainly has following several：1st, single tube heating, viscosity reducing conveys；2nd, adding active water viscosity reduction conveys；3rd, thin oil blending visbreaking
Conveying；4th, friction reducer viscosity reduction conveying etc. is injected.And above reducing thick oil viscosity conveying technique has the limitation of different aspect.Single tube adds
The viscous conveying of heat drop need to set more intermediate heating stations to ensure that viscous crude pipe is defeated in the case where heavy oil transportation distance, flow are small
Temperature, also it is unfavorable for daily production management while investment is high, energy consumption is big；Adding active water viscosity reduction technique in course of conveying oil,
Water is easily layered, and the viscous crude suspension flowing of bulk easily occurs for the viscous crude that viscosity is big, condensation point is high, so that blocking pipeline and equipment,
And easily cause pipeline corrosion, structure and multi-purpose station dehydration load increase, energy consumption raise the problems such as；Blending diluting oil technology needs to protect
Card has the blending of the thin oil oil sources, in addition viscous crude and thin oil of abundance, has an impact to respective oil property, it is difficult to effectively using thick
Oil and thin oil resource；Injection friction reducer viscosity reduction technique influences Water Cut Oil ' after friction reducer cost height, injection friction reducer being present
State, cause the dehydration of multi-purpose station crude oil and the increase of sewage disposal difficulty.
The content of the invention
It is an object of the invention to be solution the deficiencies in the prior art, and heavy crude petroleum is provided and originated from certainly and mixes diluent dress
Put.
The new technical scheme of the present invention is:Heavy crude petroleum originates from certainly mixes diluent device, including returns and mix pump, heat exchanger, enter
Expect pump, surge tank, flash column, pump, air cooler, reflux pump, heating furnace, reaction tower, fractionating column, return tank, between each device by
Pipeline connects, surge tank, flash column, reaction tower, fractionating column, return tank top installation pressure gauge and thermometer, between device
Check valve is installed on pipeline, device is connected with pipeline by flange, and thick oil pipeline is directly connected to thin oil surge tank entrance, and thin oil delays
Rush tank side and be provided with charge door, mixing diluent material stock tank with oil well time is connected, and the outlet of thin oil surge tank is connected with thin oil heat exchanger；
The thin oil outlet of thin oil heat exchanger mixes pump by thin oil time and transports to heavy oil wells bottom, and the viscous crude outlet of thin oil heat exchanger is thick with not being dehydrated
Oil heat exchanger connects；The well liquid outlet for not being dehydrated thick oil heat exchanger connects through flash column feed pump and flash column feed exchanger
Connect, flash column feed exchanger is connected with flash column；The viscous crude outlet of flash column is through flashing column bottoms pump and flash column bottom heat exchanger
It is connected with heating furnace；The top exit connection flash column head space cooler of flash column, flash column head space cooler take one's place heat with flash column
Device connects；Flash column top heat exchanger is connected with flash distillation tower top surge tank, and flash distillation tower top surge tank top exit is connected with heating furnace；
Heating furnace is connected with reaction tower, and the viscous crude outlet of reaction tower is connected with fractionating column；Fractionator overhead is connected with air cooler, and is passed through
Pipeline connects heating furnace, and bottom of towe exports for viscous crude.
The viscous crude entrance of surge tank is located at the upper lateral part of tank body, and charge door is located at tank body side, and outlet is located at tank base；
The entrance of thin oil heat exchanger is located at tank base, and thin oil outlet is at the top of tank body, and viscous crude outlet is located at tank base, and gas enters
Mouth sets out tank body side；The top for not being dehydrated thick oil heat exchanger is provided with viscous crude entrance, and tank body side exports provided with well liquid, bottom
Provided with sewage draining exit.
The top gas outlet of described flash column feed exchanger is connected with thin oil heat exchanger.
Described flash column feed exchanger heat transferring medium communicates with flash column bottom heat exchanger heat transferring medium.
Described flash distillation tower top surge tank top gas outlet is connected with heating furnace.
Described air cooler is connected with fractionation return tank of top of the tower, and the outlet of fractionation return tank of top of the tower top gas connects with heating furnace
Connect.
The beneficial effects of the invention are as follows：By either shallow thermal cracking, viscous crude viscosity reducing rate reaches more than 95%, and is suitably incorporated certainly
Unnecessary diluent is produced, meets defeated condition outside viscous crude；The reducing thick oil viscosity diluent of production is continuously circulated by system, meet viscous crude from
The defeated demand of collection of well head to multi-purpose station, thoroughly solve the problems such as mixing light oil source deficiency, gathering system heating high energy consumption, realize viscous crude
The defeated inexpensive target of collection.
Brief description of the drawings
Fig. 1 is the device connection diagram of the present invention.
Fig. 2 is the device connection diagram of the present invention.
Wherein：1 is that thin oil time mixes pump, and 2 be thin oil heat exchanger, and 3 is are not dehydrated thick oil heat exchanger, and 4 be flash column feed pump,
5 be flash column feed exchanger, and 6 be thin oil surge tank, and 7 be flash column, and 8 be flash distillation column bottoms pump, and 9 be flash column head space cooler,
10 be flash column top heat exchanger, and 11 be flash distillation tower top surge tank, and 12 be flash distillation tower top reflux pump, and 13 be flash column bottom heat exchanger,
14 be heating furnace, and 15 be reaction tower, and 16 be fractionating column, and 17 be air cooler, and 18 be fractionation return tank of top of the tower.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Heavy crude petroleum mixes diluent device from originating from, including return mix pump, heat exchanger, feed pump, surge tank, flash column 7,
Pump, air cooler 17, flash distillation tower top reflux pump 12, heating furnace 14, reaction tower 15, fractionating column 16, return tank, by pipe between each device
Line connects, surge tank, flash column 7, reaction tower 15, fractionating column 16, return tank top installation pressure gauge and thermometer, between device
Pipeline on be installed on check valve, device is connected with pipeline by flange, and thick oil pipeline is directly connected to the entrance of thin oil surge tank 6, dilute
The oily side of surge tank 6 is provided with charge door, and mixing diluent material stock tank with oil well time is connected, and the outlet of thin oil surge tank 6 exchanges heat with thin oil
Device 2 connects；The thin oil outlet of thin oil heat exchanger 2 mixes pump 1 by thin oil time and transports to heavy oil wells bottom, and the viscous crude of thin oil heat exchanger 2 goes out
Mouth is connected with not being dehydrated thick oil heat exchanger 3；The well liquid outlet of thick oil heat exchanger 3 is not dehydrated through flash column feed pump 4 and flash distillation
Tower feed exchanger 5 is connected, and flash column feed exchanger 5 is connected with flash column 7；The viscous crude of flash column 7 is exported through flash column bottom
Pump 8 and flash column bottom heat exchanger 13 are connected with heating furnace 14；The top exit connection flash column head space cooler 9 of flash column 7, flash distillation
Tower top air cooler 9 is connected with flash column top heat exchanger 10；Flash column top heat exchanger 10 is connected with flash distillation tower top surge tank 11, is flashed
The top exit of tower top surge tank 11 is connected with heating furnace 14；Heating furnace 14 is connected with reaction tower 15, the viscous crude outlet of reaction tower 15
It is connected with fractionating column 16；The tower top of fractionating column 16 is connected with air cooler 17, and connects heating furnace 14 by pipeline, and bottom of towe goes out for viscous crude
Mouthful.
The viscous crude entrance of surge tank is located at the upper lateral part of tank body, and charge door is located at tank body side, and outlet is located at tank base；
The entrance of thin oil heat exchanger 2 is located at tank base, and at the top of tank body, viscous crude outlet is located at tank base, gas for thin oil outlet
Entrance sets out tank body side；The top for not being dehydrated thick oil heat exchanger 3 is provided with viscous crude entrance, and tank body side exports provided with well liquid,
Bottom is provided with sewage draining exit.
The top gas outlet of described flash column feed exchanger 5 is connected with thin oil heat exchanger 2.
The described heat transferring medium of flash column feed exchanger 5 communicates with the heat transferring medium of flash column bottom heat exchanger 13.
The described top gas of flash distillation tower top surge tank 11 outlet is connected with heating furnace 14.
Described air cooler 17 is connected with fractionation return tank of top of the tower 18, and the outlet of fractionation return tank of top of the tower 18 top gas is with adding
Hot stove 14 connects.
According to the defeated demand of heavy crude well collection, a certain amount of oil well is inputted in thin oil surge tank 6 and is returned and mixes diluent, by thin oil
After heat exchanger 2 heats up, return to mix pump 1 and transport to heavy oil wells bottom by thin oil and carry out back mixing viscosity reduction, meet heavy oil gathering system initial state
Lower production run；Mix the oil well after diluent and carry out liquid into not being dehydrated in multi-purpose station after thick oil heat exchanger 3 heats up, taken off through multi-purpose station
Water system is dehydrated, and purification viscous crude is after flash column feed pump 4, flash column feed exchanger 5 heat, into flash column 7, abjection portion
Divide fixed gas and light oil.Viscous crude enters after flash distillation column bottoms pump 8 and flash column bottom heat exchanger 13 heat after the processing of flash column 7
Heating furnace 14 is heated up again, to specified temp after into reaction tower 15 carry out the reaction of light cracking visbreaking.By reaction tower 15
Viscous crude afterwards is fractionated into fractionating column 16, and overhead components form fixed gas and self-produced diluent after the cooling of air cooler 17,
Bottom of towe is viscous crude after visbreaking.Fixed gas is used for the defeated drop of heavy crude well collection as the fuel combustion of system heating furnace 14, self-produced diluent
Defeated viscosity reduction outside viscous crude after viscous and visbreaking.
Claims (6)
1. heavy crude petroleum originates from certainly mixes diluent device, including returns and mix pump, heat exchanger, feed pump, surge tank, flash column, pump, sky
Cooler, reflux pump, heating furnace, reaction tower, fractionating column, return tank, connected by pipeline between each device, it is surge tank, flash column, anti-
Answer tower, fractionating column, installation pressure gauge and thermometer at the top of return tank, be installed on check valve on the pipeline between device, device with
Pipeline is connected by flange, it is characterised in that：Thick oil pipeline is directly connected to thin oil surge tank entrance, and thin oil surge tank side, which is provided with, to be added
Material mouth, mix diluent material stock tank with oil well time and be connected, the outlet of thin oil surge tank is connected with thin oil heat exchanger；Thin oil heat exchanger it is dilute
Oil export mixes pump by thin oil time and transports to heavy oil wells bottom, and the viscous crude outlet of thin oil heat exchanger is connected with not being dehydrated thick oil heat exchanger；
The well liquid outlet for not being dehydrated thick oil heat exchanger is connected through flash column feed pump with flash column feed exchanger, and flash column charging is changed
Hot device is connected with flash column；The viscous crude outlet of flash column is connected through flashing column bottoms pump and flash column bottom heat exchanger with heating furnace；Dodge
The top exit connection flash column head space cooler of tower is steamed, flash column head space cooler is connected with flash column top heat exchanger；Flash tower top
Heat exchanger is connected with flash distillation tower top surge tank, and flash distillation tower top surge tank top exit is connected with heating furnace；Heating furnace and reaction tower
Connection, the viscous crude outlet of reaction tower are connected with fractionating column；Fractionator overhead is connected with air cooler, and is connected and heated by pipeline
Stove, bottom of towe export for viscous crude.
2. heavy crude petroleum according to claim 1 originates from certainly mixes diluent device, it is characterised in that：The viscous crude of surge tank enters
Mouth is located at the upper lateral part of tank body, and charge door is located at tank body side, and outlet is located at tank base；The entrance of thin oil heat exchanger is located at tank
Body bottom, thin oil outlet is at the top of tank body, and viscous crude outlet is located at tank base, and gas access sets out tank body side；It is not dehydrated
The top of thick oil heat exchanger is provided with viscous crude entrance, and tank body side exports provided with well liquid, and bottom is provided with sewage draining exit.
3. heavy crude petroleum according to claim 1 originates from certainly mixes diluent device, it is characterised in that：Described flash column enters
The top gas outlet of material heat exchanger is connected with thin oil heat exchanger.
4. heavy crude petroleum according to claim 1 originates from certainly mixes diluent device, it is characterised in that：Described flash column enters
Material heat exchanger heat transferring medium communicates with flash column bottom heat exchanger heat transferring medium.
5. heavy crude petroleum according to claim 1 originates from certainly mixes diluent device, it is characterised in that：Described flash distillation tower top
The outlet of surge tank top gas is connected with heating furnace.
6. heavy crude petroleum according to claim 1 originates from certainly mixes diluent device, it is characterised in that：Described air cooler with
Return tank of top of the tower connection is fractionated, the outlet of fractionation return tank of top of the tower top gas is connected with heating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344551.3A CN107355682B (en) | 2017-05-16 | 2017-05-16 | Heavy crude petroleum originates from certainly mixes diluent device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344551.3A CN107355682B (en) | 2017-05-16 | 2017-05-16 | Heavy crude petroleum originates from certainly mixes diluent device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107355682A true CN107355682A (en) | 2017-11-17 |
| CN107355682B CN107355682B (en) | 2019-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710344551.3A Active CN107355682B (en) | 2017-05-16 | 2017-05-16 | Heavy crude petroleum originates from certainly mixes diluent device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107355682B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201040747Y (en) * | 2007-03-30 | 2008-03-26 | 中国石油天然气股份有限公司 | Equipment combination for adjusting feeding temperature of ultra-thick crude oil delay coking fractionating tower |
| CN102234536A (en) * | 2010-05-07 | 2011-11-09 | 中国石油化工股份有限公司 | Combined technology for processing heavy oil |
| CN104673371A (en) * | 2013-12-02 | 2015-06-03 | 中石化洛阳工程有限公司 | Method for improving yield of delay coking liquid products |
| CN105754644A (en) * | 2014-12-17 | 2016-07-13 | 郭米慧 | Coal tar treatment system |
-
2017
- 2017-05-16 CN CN201710344551.3A patent/CN107355682B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201040747Y (en) * | 2007-03-30 | 2008-03-26 | 中国石油天然气股份有限公司 | Equipment combination for adjusting feeding temperature of ultra-thick crude oil delay coking fractionating tower |
| CN102234536A (en) * | 2010-05-07 | 2011-11-09 | 中国石油化工股份有限公司 | Combined technology for processing heavy oil |
| CN104673371A (en) * | 2013-12-02 | 2015-06-03 | 中石化洛阳工程有限公司 | Method for improving yield of delay coking liquid products |
| CN105754644A (en) * | 2014-12-17 | 2016-07-13 | 郭米慧 | Coal tar treatment system |
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| Publication number | Publication date |
|---|---|
| CN107355682B (en) | 2019-07-30 |
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Address after: 257091 Shandong Province, Dongying city the Yellow River Road No. 721 senuo Victory Mansion Patentee after: Suno Technology Co., Ltd Address before: 257091 Shandong Province, Dongying city the Yellow River Road No. 721 senuo Victory Mansion Patentee before: Shengli Oilfield Sino Shengli Engineering Co., Ltd. |
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