CN201271549Y - Vapour liquid separator for evaporation in crude oil leaching process - Google Patents

Vapour liquid separator for evaporation in crude oil leaching process Download PDF

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Publication number
CN201271549Y
CN201271549Y CNU200820027725XU CN200820027725U CN201271549Y CN 201271549 Y CN201271549 Y CN 201271549Y CN U200820027725X U CNU200820027725X U CN U200820027725XU CN 200820027725 U CN200820027725 U CN 200820027725U CN 201271549 Y CN201271549 Y CN 201271549Y
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China
Prior art keywords
crude oil
liquid separator
sieve plate
evaporation
vapour liquid
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Expired - Fee Related
Application number
CNU200820027725XU
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Chinese (zh)
Inventor
王勇
王岩
刘剑侠
张全刚
程平
王非
何玉梅
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Shandong Xiwang Food Co., Ltd.
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XIWANG GROUP CO Ltd
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Priority to CNU200820027725XU priority Critical patent/CN201271549Y/en
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Publication of CN201271549Y publication Critical patent/CN201271549Y/en
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Abstract

The utility model belongs to a gas-liquid separation device, in particular to a vapor/liquid separator used in the crude oil evaporation separation by a lixiviation process. The vapor/liquid separator for evaporation used in the crude oil lixiviating process comprises a cylinder body, a feed inlet, an air outlet and a discharge opening, a sieve plate is arranged below one side of the feed inlet in the cylinder body, sieve holes are evenly arranged on the sieve plate, and a riser is arranged on the sieve plate. By using the vapor/liquid separator, the evaporating operation is easy to control, the phenomenon of pot boiling can be basically eliminated, and the evaporating temperature drops obviously, thereby meeting the operation requirements. The steam consumption is obviously reduced, and demands on energy saving and consumption reduction are satisfied. The consumption of solvent is dramatically reduced, and reaches the highest level in history. The quality of crude oil is obviously improved: the qualification rate of water volatile matters is 99 percent, and the qualification rate of color and luster is 98 percent.

Description

Evaporation vapour liquid separator in a kind of crude oil leaching process
Affiliated technical field
The utility model belongs to vapor-liquid separation devices, specifically is the vapour liquid separator that is used for lixiviation process crude oil evaporation separation process.
Background technology
The process that lixiviation process is produced crude oil comprises that pre-treatment of raw material, grease leach, and through evaporation for the first time, miscella concentration brings up to 60~65% to the miscella after the leaching earlier; Through evaporation for the second time, the concentration of miscella reaches 90~95% again; The solvent gas of discharging in the evaporation process, reclaim solvent through the vapour liquid separator separation and through cooling system, recycle, the vapour liquid separator of prior art all adopts general cyclone type vapour liquid separator, this equipment is cylindrical shape, the top is for falling infundibulate, there is a gas outlet in central authorities, the bottom is an infundibulate, and a liquid-collecting bin is arranged, and the side tangential direction has a charging aperture, liquid-vapor mixture at full speed tangentially enters in the vapour liquid separator, do gyration, make isolated liquid get rid of the bottom that falls into separator to the barrel periphery, gas is then gone out from the gas outlet of center of top.Because the space in the vapour liquid separator is excessive, liquid strength when spraying is less than normal, and radius of turn diminishes, moment vacuum diminish, separating effect reduces.Produce in the practical application of crude oil at lixiviation process, because solvent boiling effect reduces, under the normal temperature state, just can't satisfy solvent and the thorough of crude oil separates, solvent exceeds standard in the crude oil, will make the crude oil temperature too high if improve temperature increase evaporation rate, the crude oil variable color, increased the work difficulty in later process salad oil workshop, reduced coal throughput, molten consumption is higher, and steam consumption is too high.
Summary of the invention
In order to solve the problem that exists in the existing evaporation separating technology, the utility model on the basis of existing technology, designed the vapour liquid separator of evaporization process in a kind of suitable crude oil extract technology, it can improve the effect of separating in the gas from liquid greatly, evaporating temperature is descended, reduce steam consumption, solvent consumption significantly reduces, the crude oil quality be improved significantly.
Vapour liquid separator is used in evaporation in a kind of crude oil leaching process described in the utility model, comprises cylindrical shell, charging aperture, gas outlet and discharge gate, and the below of inner barrel charging aperture one side is provided with sieve plate, evenly has sieve aperture on the sieve plate, is provided with riser on sieve plate.
Use evaporation vapour liquid separator in the crude oil leaching process described in the utility model, liquid-vapor mixture is sentenced from charging aperture and is tangentially entered vapour liquid separator at a high speed, liquid wherein can change traffic direction after running into sieve plate, at full speed splash away again, get rid of to cylinder inboard wall, by changing the running orbit of liquid in separator, increased running route, the time that liquid is stopped in separator and rotate is elongated, prolong the centrifugation time of liquid, improved the separating effect of gas and liquid thus.
In order to improve separating effect, sieve plate has been carried out optimizing research with technical characterictics such as cylindrical shell cross-sectional area ratio, sieve plate setting angle, slot size and distributions concrete design.
Described sieve plate area and cylindrical shell cross-sectional area be than being 1:1~2, if the ratio of the area of sieve plate and cylindrical shell cross section less than 1:2, the effect of sieve plate is little, separating effect is not obvious.
Described sieve plate is inclined upwardly, and with horizontal direction angle α=3~7 °, a lower end is near charging aperture, apart from 4~12 centimetres of the lower edges of charging aperture.The liquid-vapor mixture that enters by the horizontal tangent direction, become a less angle to nuzzle up with sieve plate, increased the impact of liquid and sieve plate, drop is splashed to cylinder inboard wall, change the running route of liquid, prolonged the liquid path length, increased moment vacuum, thereby made the more volatile separation of solvent.
Described sieve aperture is circular, and diameter is 1~2 centimetre, and the distance of center circle between adjacent sieve aperture is from being 3~4 centimetres.
Described sieve plate below has screen casing to be connected with sieve aperture, and the longitudinal axis of screen casing parallels with the longitudinal axis of cylindrical shell.When gas-liquid mixture passes through screen casing, will do the secondary gyration, make the more volatile separation of vapour-liquid, increased moment vacuum, liquid flows down fast along screen casing simultaneously, has accelerated the falling speed of liquid.
Described riser is positioned at the position of the place ahead of liquid approach axis near cylinder lateral wall, parallels with the longitudinal axis of cylindrical shell, and riser is a multi-edge column-shaped or cylindrical.When liquid at full speed tangentially enters the cylindrical shell inboard, part liquid is just in time beaten on the outer wall of Steam Pipe, make liquid once more to splash away at a high speed, changed the running orbit of liquid, the gas below the sieve plate can be discharged from the exit of separator by riser.
Use to evaporate in a kind of crude oil leaching process of the present utility model and can obtain following beneficial effect: owing to be provided with sieve plate in the cylindrical shell with vapour liquid separator, liquid at full speed becomes certain included angle to clash into mutually with sieve plate, liquid splash is gone out, the running track of liquid in cylindrical shell changed, increase the centrifugal radius of turn of liquid, prolonged the route of operation, thereby centrifugation time is elongated, and having increased moment vacuum, favourable gaseous volatilization makes gas and fluid separation applications be more prone to thorough.
Produce with lixiviation process in the actual production utilization of crude oil, use vapour liquid separator of the present utility model, evaporation operation is controlled easily, and the basic pot phenomenon of boiling of eliminating takes place, and evaporating temperature descends obviously, has reached the operation requirement.Steam consumption obviously reduces, and has reached energy-saving and cost-reducing requirement.Solvent consumption obtains the first mate to be reduced, and is historical highest level.The crude oil quality is obviously improved: moisture evaporation thing qualification rate 99%, color and luster qualification rate 98%.
Utilization prior art and vapour liquid separator of the present utility model be the index correction data in crude oil is produced: former vapour liquid separator:
Sequence number Check top order Standard-required Assay Judge
1 The crude oil moisture and volatile matter content ≤0.50% 1.06% (in) Defective
2 Crude oil contains assorted ≤0.20% 0.07% (in) Qualified
3 The dregs of beans Residual oil ≤0.65% 0.45% (in) Qualified
4 The crude oil color and luster ≤Y70R5.0 Y70R9.2 (in) Defective
Vapour liquid separator of the present utility model:
Sequence number Check top order Standard-required Assay Judge
1 The crude oil moisture and volatile matter content ≤0.50% 0.24% (in) Qualified
2 Crude oil contains assorted ≤0.20% 0.03% (in) Qualified
3 The dregs of beans Residual oil ≤0.65% 0.55% (in) Qualified
4 The crude oil color and luster ≤Y70R5.0 Y70R5.0 (in) Qualified
The utility model vapour liquid separator is not only applicable to the process that lixiviation process is produced crude oil, also can be applicable to the vapor-liquid separation of other industry or other operations.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
Fig. 2 is sieve plate and a horizontal angle schematic diagram among Fig. 1,
Fig. 3 be among Fig. 1 along the cross-sectional schematic of first kind of embodiment of A-A direction,
Fig. 4 is the enlarged drawing of B portion among Fig. 1,
Fig. 5 be among Fig. 1 along the cross-sectional schematic of second kind of embodiment of A-A direction,
Fig. 6 is along the cross-sectional schematic of the third embodiment of A-A direction among Fig. 1.
Among the figure: 1 is cylindrical shell, and 2 is charging aperture, and 3 is riser, and 4 is sieve aperture, and 5 is sieve plate, and 6 is screen casing, and 7 is the gas outlet, and 8 is discharge gate.
Be described in further details with vapour liquid separator evaporating in a kind of crude oil leaching process of the utility model below in conjunction with the drawings and specific embodiments:
The specific embodiment
Be feature and the design main points that example specifies the utility model gas-liquid separator now with the vapour liquid separator that is applicable to 200T crude oil production line.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, this vapour liquid separator comprises cylindrical shell 1, charging aperture 2, gas outlet 7 and discharge gate 8, and cylindrical shell 1 is cylindrical, and radius is 0.6 meter, highly is 1 meter.At the lower edge of charging aperture 2 10 centimeters mounted sieves 5, being shaped as of sieve plate 5 is arc, and arc rise is 0.6 meter, and radius is 0.6 meter, angle α=5 of sieve plate 5 and horizontal direction °; Riser 3 on the sieve plate 5 is positioned at the position of the place ahead of liquid approach axis near cylinder lateral wall, riser 3 is that cross section is rectangular straight tube, the rectangle length of cross section is 4 centimetres, wide is 2.5 centimetres, riser 3 also can be multi-edge column-shaped or circle arbitrarily, and riser parallels with the longitudinal axis of cylindrical shell; Be evenly distributed with diameter and be 1.4 centimetres round sieve 4 on sieve plate 5, the spacing of adjacent sieve aperture 4 is 3.5 centimetres, has screen casing 6 to be connected with each sieve aperture 4 below sieve plate 5, and screen casing 6 parallels with the axis of cylindrical shell, and the length of screen casing 6 is 5 centimetres.
Fig. 5 is second kind of embodiment of the present utility model, described sieve plate 5 is in the lower edge of charging aperture 2 12 centimeters, being shaped as of sieve plate 5 is arc, arc rise is 0.9 meter, for radius is 0.6 meter, angle α=7 of sieve plate 5 and horizontal direction °, riser 3 is positioned at the position of the place ahead of liquid approach axis near cylinder lateral wall, riser 3 is that cross section is rectangular straight tube, the rectangle length of cross section is 4 centimetres, wide is 2.5 centimetres, and riser 3 also can be a multi-edge column-shaped arbitrarily, and riser parallels with the longitudinal axis of cylindrical shell; Be evenly distributed with diameter and be 1 centimetre round sieve 4 on sieve plate 5, the spacing of adjacent sieve aperture 4 is 3 centimetres, has screen casing 6 to be connected with each sieve aperture 4 below sieve plate 5, and screen casing 6 parallels with the axis of cylindrical shell, and the length of screen casing 6 is 5 centimetres.
Fig. 6 is the third embodiment of the present utility model, described sieve plate 5 is in the lower edge of charging aperture 24 centimeters, sieve plate 5 be shaped as ellipse, with angle α=3 of horizontal direction °, riser 3 is positioned at the position of the place ahead of liquid approach axis near cylinder lateral wall, riser 3 is cylindrical, and riser parallels with the longitudinal axis of cylindrical shell; Be evenly distributed with diameter and be 2 centimetres round sieve 4 on sieve plate 5, the spacing of adjacent sieve aperture 4 is 4 centimetres, has screen casing 6 to be connected with each sieve aperture 4 below sieve plate 5, and screen casing 6 parallels with the axis of cylindrical shell, and the length of screen casing 6 is 5 centimetres.

Claims (6)

1, evaporation vapour liquid separator in a kind of crude oil leaching process, comprise cylindrical shell, charging aperture, gas outlet and discharge gate, it is characterized in that: the below of described inner barrel charging aperture one side is provided with sieve plate, evenly has sieve aperture on the sieve plate, is provided with riser on sieve plate.
2, vapour liquid separator is used in evaporation in a kind of crude oil leaching process as claimed in claim 1, it is characterized in that: described sieve plate area is 1:1~2 with cylindrical shell cross-sectional area ratio.
3, evaporation vapour liquid separator in a kind of crude oil leaching process as claimed in claim 1 or 2, it is characterized in that: described sieve plate is inclined upwardly, with horizontal direction angle α=3~7 °, a lower end is near charging aperture, apart from 4~12 centimetres of the lower edges of charging aperture.
4, vapour liquid separator use in evaporation in a kind of crude oil leaching process as claimed in claim 1, it is characterized in that: described sieve aperture is circle, and diameter is 1~2 centimetre, and the distance of center circle between adjacent sieve aperture is from being 3~4 centimetres.
5, vapour liquid separator is used in evaporation in a kind of crude oil leaching process as claimed in claim 1, it is characterized in that: described sieve plate below has screen casing to be connected with sieve aperture, and the longitudinal axis of screen casing parallels with the longitudinal axis of cylindrical shell.
6, evaporation vapour liquid separator in a kind of crude oil leaching process as claimed in claim 1, it is characterized in that: described riser is positioned at the position of the place ahead of liquid approach axis near cylinder lateral wall, parallel with the longitudinal axis of cylindrical shell, riser is a multi-edge column-shaped or cylindrical.
CNU200820027725XU 2008-09-08 2008-09-08 Vapour liquid separator for evaporation in crude oil leaching process Expired - Fee Related CN201271549Y (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CNU200820027725XU CN201271549Y (en) 2008-09-08 2008-09-08 Vapour liquid separator for evaporation in crude oil leaching process

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101721837B (en) * 2009-12-29 2011-09-07 武汉科技大学 Leaching equipment
CN102965195A (en) * 2012-12-06 2013-03-13 广西京桂香料有限公司 Natural cinnamon oil redistillation kettle
CN107670355A (en) * 2017-11-01 2018-02-09 岳西县光圣茶油有限公司 A kind of multiple field crude oil filter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101721837B (en) * 2009-12-29 2011-09-07 武汉科技大学 Leaching equipment
CN102965195A (en) * 2012-12-06 2013-03-13 广西京桂香料有限公司 Natural cinnamon oil redistillation kettle
CN107670355A (en) * 2017-11-01 2018-02-09 岳西县光圣茶油有限公司 A kind of multiple field crude oil filter

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shandong Xiwang Food Co., Ltd.

Assignor: Xiwang Group Co., Ltd.

Contract fulfillment period: 2009.10.30 to 2017.10.30

Contract record no.: 2010370000030

Denomination of utility model: Vapour liquid separator for evaporation in crude oil leaching process

Granted publication date: 20090715

License type: Exclusive license

Record date: 20100118

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.10.30 TO 2017.10.30; CHANGE OF CONTRACT

Name of requester: SHANDONG XIWANG FOOD CO., LTD.

Effective date: 20100118

ASS Succession or assignment of patent right

Owner name: SHANDONG XIWANG FOOD CO., LTD.

Free format text: FORMER OWNER: XIWANG GROUP CO., LTD.

Effective date: 20100430

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 256209 XIWANG INDUSTRIAL PARK, ZOUPING COUNTY, BINZHOU CITY, SHANDONG PROVINCE TO: 256209 SHANDONG PROVINCE BINZHOU CITY ZOUPING COUNTY SHANDONG XIWANG FOOD CO., LTD.

TR01 Transfer of patent right

Effective date of registration: 20100430

Address after: Shandong 256209 Shandong province Binzhou city Zouping County Xiwang Food Co. Ltd.

Patentee after: Shandong Xiwang Food Co., Ltd.

Address before: West Industrial Park 256209 Shandong province Binzhou city Zouping County

Patentee before: Xiwang Group Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090715

Termination date: 20170908