CN202064929U - Dynamic hydrocyclone for crude oil sand removal - Google Patents
Dynamic hydrocyclone for crude oil sand removal Download PDFInfo
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- CN202064929U CN202064929U CN2011200281685U CN201120028168U CN202064929U CN 202064929 U CN202064929 U CN 202064929U CN 2011200281685 U CN2011200281685 U CN 2011200281685U CN 201120028168 U CN201120028168 U CN 201120028168U CN 202064929 U CN202064929 U CN 202064929U
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Abstract
The utility model relates to a dynamic hydrocyclone for sand removal from crude, which is applied to the sand removal from oilfield sandy crude and mainly comprises a transmission part and a hydraulic cyclone separation part. A belt pulley, an upper rotary bearing and a lower rotary bearing are fixed on the outer wall of the middle part of a feed pipe; an upper seal cover and an upper seal receptacle are fixed at one end of the feed pipe; an upper seal is arranged in the upper seal receptacle; the outer wall of the feed pipe is sheathed with a lower seal cover and a lower seal receptacle; an impeller is fixed at the other end of the feed pipe; a cyclone shell is fixed at the lower part of the lower seal receptacle; a cyclone wear-resisting neck bush is fixed on the inner wall of the lower seal receptacle; an underflow pipe is fixed on a flange at the lower end of a cyclone shell; and the inner end of a fluid outlet pipe is provided with an overflow pipe. The utility model has the effects that the dynamic hydrocyclone for the sand removal from the crude can be directly applied to the solid-liquid separation and recovery of the field of the sand removal from the crude, and the service life of the hydrocyclone is prolonged by 80 percent.
Description
Technical field
The utility model relates to oil recovery technique field, oil field, and particularly a kind of oil field sandy crude desanding device is a kind of crude oil desanding dynamic hydrocyclone, belongs to multi-phase ingredients centrifugal cyclone separation field.
Background technology
At present, technology of Hydrocyclone Scperation is the centrifugal separation technology that has developed rapidly since the eighties in 20th century, can be divided into static eddy flow and dynamic eddy flow two big classes by its mode that produces eddy flow.Static state waterpower cyclone technique is simple in structure because of it, movement-less part, and earlier obtain paying close attention to, realize commercialization at present and promoted application.But be subjected to the technical limitations that some are derived from oneself factor when static hydrocyclone is used for water-oil separating, can not reach the requirement of advanced treating, must be supporting in addition on the technology; While is because its operate as normal is to rely on its pressure that enters the mouth medium can change into high-speed rotational to realize, so the pressure loss is bigger.So people began again sight is turned on the dynamic technology of Hydrocyclone Scperation in recent years.
Dynamic hydrocyclone was come out the eighties in last century, developed so far the Total type is arranged, the flow pattern of prewhirling and compound three kinds of common forms.Its basic structure all is to have increased a rotary part on the basis of static hydrocyclone, and the rotation of fluid is the high speed rotation generation by rotatable parts.Because the input of shaft work has been arranged, reduced inlet pressure medium loss of energy, centrifugal force field also can strengthen greatly, thereby the equipment pressure drop reduces the separative efficiency raising.But the Total type and the flow pattern of prewhirling are outside cylindrical shell rotation, because outside cylindrical shell is diameter and all maximum parts of volume on the cyclone equipment, machining error easily causes the equipment unbalance vibration, influences the operation and the separating property of equipment.Compound is the direction of Future Development, but its overfall and underflow opening be in the equipment both sides, and wherein overfall and equipment running part cause the device structure complexity in the same side, and the running part cantilever is overhanging longer, is unfavorable for the steady running of equipment.
Except device structure and mechanical oscillation problem, ensure that dynamic hydrocyclone can be used for crude oil desanding occasion, also must solve following two problems:
The first, owing to have running gear in the equipment, must consideration equipment sealing problem.From bibliographical information as can be seen, most equipment all adopts contact seal---mechanical seal.Owing to contain sand grains in the medium crude oil, will destroy mechanical seal when sand grains enters the sealing surface of mechanical seal.
The second, the dynamic hydrocyclone medium is the high speed rotation status, under this state in the crude oil sand grains will produce wearing and tearing to component in the equipment, thereby shorten the equipment operation cycle greatly.
The utility model content
The purpose of this utility model is: a kind of crude oil desanding dynamic hydrocyclone is provided, introduces power set, select the wear-resistant liner of polyurethane as consumable accessory, realize Separation of Solid and Liquid, satisfy the needs of crude oil desanding.It is serious to overcome conventional hydrocyclone inter deterioration, and work elasticity is little, the deficiency that pressure drop is big.
The technical solution adopted in the utility model is: crude oil desanding dynamic hydrocyclone, mainly form by running part and hydraulic cyclone separating part.It is characterized in that:
Running part comprises top cover labyrinth, upward sealing, upper seal support, feed pipe, goes up rolling bearing, belt pulley, following rolling bearing, lower sealing cover, lower seal and bottom sealing socket; Be fixed with belt pulley on the outer wall of the middle part of feed pipe, belt pulley can drive the feed pipe rotation by driving belt; Be fixed with rolling bearing on the outer wall of feed pipe and on the top of belt pulley, be fixed with rolling bearing down in the bottom of belt pulley; End at feed pipe is fixed with top cover labyrinth, and upper seal support is enclosed within on the outer wall of feed pipe; The bottom of top cover labyrinth is fixed with upper seal support, sealing on having in upper seal support; Be with lower sealing cover on the outer wall of feed pipe, lower sealing cover is in the bottom of following rolling bearing; Bottom in lower sealing cover is fixed with bottom sealing socket, and bottom sealing socket is enclosed within on the outer wall of feed pipe; Lower seal is arranged in bottom sealing socket;
The hydraulic cyclone separating part is made up of impeller, bleed off pipe, cyclone wear-resistant liner cover, cyclone shell body and underflow pipe, is fixed with impeller at the other end of feed pipe; Be fixed with conical cyclone shell body in the bottom of bottom sealing socket; On the inwall of cyclone shell body, be fixed with conical cyclone wear-resistant liner cover, the upper end of impeller in cyclone wear-resistant liner cover; Following end flanges at the cyclone shell body is fixed with underflow pipe; There is the solid phase outlet lower end of underflow pipe; Be fixed with fluid outlet pipe on the sidewall of underflow pipe, in the inner of fluid outlet pipe bleed off pipe arranged, bleed off pipe overlaps center line on the bar straight line at center line and cyclone wear-resistant liner.
In order to make the sealing cooling good lubricated, two cooling-lubricant mouths are arranged on the outer wall of upper seal support, one is inlet, one is liquid outlet.
Lubricated for lower seal is cooled off, a cooling-lubricant mouth is arranged respectively on the outer wall of lower sealing cover and bottom sealing socket, one is inlet, one is liquid outlet.
Cyclone wear-resistant liner cover adopts high-abrasive materials such as nonmetals or pottery.
For the fluid that enters in the eddy flow cylindrical shell is flowed evenly, described impeller is made up of 2～12 blades, blade radially outwards radially or crooked radial uniform, the blade location is installed between two end plates of rotation grid (wherein a slice is axial flow-stopping plate).
The top sidewall of described bleed off pipe has 4～20 radially radially rectangle inlets, and cross form drag whirlpool plate is arranged in the top of bleed off pipe, and rectangular aperture can ensure that lightweight liquid discharges smoothly, and cross resistance whirlpool plate can reclaim the pressure energy of overflow outlet liquid.
The summary crude oil desanding operating principle of dynamic hydrocyclone.Consult Fig. 1.
The fluid-mixing medium enters in the feed pipe 4 by top cover labyrinth 1, and the impeller 11 that is rotated then is drawn in the blade of impeller, obtains certain rotary speed, and the annular space that overlaps between 13 inwalls from rotary blade and cyclone wear-resistant liner flows out at last.In static eddy flow chamber, be rotated the medium that impeller prewhirled and deferred to the conservation of angular momentum rule, along with reducing of eddy flow barrel diameter, the medium angular velocity of rotation increases gradually, produce powerful centrifugal force field, heavy-fluid and solid particle are got rid of to the border, and flow, enter underflow pipe 15 backs and discharge cyclone towards the annular space outlet that 13 thin mouthfuls of ends of cyclone wear-resistant liner cover and bleed off pipe 12 are surrounded.And the isolated light liquid phase of internal layer then oppositely flows to the top of bleed off pipe along the outside wall surface of bleed off pipe 12, enter bleed off pipe 12 and discharge cyclone from its side opening.
The beneficial effects of the utility model: the utility model crude oil desanding dynamic hydrocyclone, the Separation of Solid and Liquid that can directly apply to crude oil desanding field reclaims, and hydrocyclone improves 80% application life.
By with overfall and underflow opening in the same side of equipment, drive disk assembly is at the opposite side of equipment; The bleed off pipe lateral opening, inner is that cross hinders vortex structure; Adopt the double shrouded wheel structure, the equipment charging aperture is positioned at the drive disk assembly center; Mechanical seal cooling system and external pressurized system combine and the equipment inwall adds measures such as wear-resistant liner, make this kind hydrocyclone desander possess that mechanical oscillation are little, separative efficiency is high, pressure reaches characteristics such as wear-resisting well.
1. solid phase outlet and fluid issuing are at the same end of equipment, and drive disk assembly is at the other end.Outlet and running part after separating are separated, can be reduced the complexity of drive disk assembly structure, reduce the jib-length of drive disk assembly, thereby reduce the plant machinery vibration.The overflow mouth of pipe extend into medium inside, not only can play the effect of stablizing the whirl cylinder flow field, and stretch into the position can regulated at will, can not influence the discharge of lightweight liquid.
2, bleed off pipe lateral opening, inner for cross resistance vortex structure, can improve the pressure of bleed off pipe outlet.In rotational flow field, the center is a low-pressure area, if bleed off pipe is the open topped structure, will cause the bleed off pipe outlet pressure lower, and the pressure of feed liquid access arrangement reduces bigger.Change the bleed off pipe opening into side, and pass through to change the diameter of bleed off pipe, thereby can realize controlling the purpose of bleed off pipe outlet pressure.After fluid entered into bleed off pipe, inner cross resistance vortex structure can stop the rotation of lightweight liquid, and its kinetic energy is converted into the pressure energy, thereby improves the pressure of cyclone.
3. charging aperture is positioned at drive disk assembly center (feed pipe 4).Can reduce the pressure that enters the impeller medium, improve the pressure of impeller outlet medium, thereby reduce the pressure reduction of medium by cyclone.Impeller drives the cyclone interior media and rotates at a high speed, and spin intensity can be controlled the separating property of raising equipment and the compliance of unsteady flow amount operating mode by motor.Import is positioned at the drive disk assembly center, can not increase the jib-length of drive disk assembly, helps the equipment steady running.
4. mechanical seal cooling and lubricating system and external pressurized system combine.The cooling system of mechanical seal is improved, add the external pressurized system, allow its cooling fluid have certain pressure, and this pressure is higher than the device interior pressure medium, thereby sand grains can not enter in the sealing surface of mechanical seal in the guarantee interior media, ensures the service cycle of mechanical seal.
5. cyclone wear-resistant liner cover 13 adopts a kind of high-abrasive material, is processed into type by casting technique, and it is embedded in equipment whirl cylinder inwall and equipment upper surface, and sand grains improves the equipment operation cycle to the direct wearing and tearing of equipment inwall in the crude oil to avoid.
Description of drawings
Fig. 1 is the structural profile schematic diagram of the utility model crude oil desanding with dynamic hydrocyclone.
Fig. 2 is the A-A generalized section of Fig. 1.
Fig. 3 is the B-B generalized section of Fig. 1.
Among the figure, 1-top cover labyrinth, the last sealing of 2-, 3-upper seal support, 4-feed pipe, the last rolling bearing of 5-, the 6-belt pulley, rolling bearing under the 7-, 8-lower sealing cover, 9-lower seal, 10-bottom sealing socket, the 11-impeller, 12-bleed off pipe, 13-cyclone wear-resistant liner cover, 14-cyclone shell body, 15-underflow pipe.
The specific embodiment
Embodiment 1: with a crude oil desanding dynamic hydrocyclone is example, and the utility model is described in further detail.
Consult Fig. 1.The utility model crude oil desanding dynamic hydrocyclone mainly is made up of running part and hydraulic cyclone separating part.
Running part comprise top cover labyrinth 1, on seal 2, upper seal support 3, feed pipe 4, go up rolling bearing 5, belt pulley 6, rolling bearing 7, lower sealing cover 8, lower seal 9 and bottom sealing socket 10 down; Be fixed with belt pulley 6 on the outer wall of the middle part of feed pipe 4, feed pipe 4 also is a main shaft simultaneously.Be fixed with rolling bearing 5 on the outer wall of feed pipe 4 and on the top of belt pulley 6, be fixed with rolling bearing 7 down in the bottom of belt pulley 6; End at feed pipe 4 is fixed with top cover labyrinth 1, and upper seal support 3 is enclosed within on the outer wall of feed pipe 4; The bottom of top cover labyrinth 1 is fixed with upper seal support 3, seals 2 on having in upper seal support 3, and two cooling-lubricant mouths are arranged on the outer wall of upper seal support 3.Be with lower sealing cover 8 on the outer wall of feed pipe 4, lower sealing cover 8 is in the bottom of following rolling bearing 7; Be fixed with bottom sealing socket 10 in the bottom of lower sealing cover 8, bottom sealing socket 10 is enclosed within on the outer wall of feed pipe 4; Lower seal 9 is arranged in bottom sealing socket 10, a cooling-lubricant mouth is arranged respectively on the outer wall of lower sealing cover 8 and bottom sealing socket 10.
The hydraulic cyclone separating part is made up of impeller 11, bleed off pipe 12, cyclone wear-resistant liner cover 13, cyclone shell body 14 and underflow pipe 15, is fixed with impeller 11 at the other end of feed pipe 4; Be fixed with conical cyclone shell body 14 in the bottom of bottom sealing socket 10; Be nested with conical cyclone wear-resistant liner cover 13 on the inwall of cyclone shell body 14, cyclone wear-resistant liner cover 13 adopts the ceramic wear-resisting material.The upper end of impeller 11 in cyclone wear-resistant liner cover 13; Following end flanges at cyclone shell body 14 is fixed with underflow pipe 15; There is the solid phase outlet lower end of underflow pipe 15; Be fixed with fluid outlet pipe on the sidewall of underflow pipe 15, in the inner of fluid outlet pipe bleed off pipe 12 arranged, bleed off pipe 12 overlaps 13 center lines on the bar straight line at center line and cyclone wear-resistant liner.
Consult Fig. 2.Impeller 11 is made up of 5 blades, and radially outwards radially or crooked radial uniform, the blade location is installed between two end plates of rotation grid blade.
Consult Fig. 3.The top sidewall of bleed off pipe 12 has 16 radially radially rectangle inlets, is welded with cross form drag whirlpool plate in the top of bleed off pipe 12.
Claims (5)
1. a crude oil desanding dynamic hydrocyclone mainly is made up of running part and hydraulic cyclone separating part; It is characterized in that:
Running part comprises top cover labyrinth (1), last sealing (2), upper seal support (3), feed pipe (4), goes up rolling bearing (5), belt pulley (6), following rolling bearing (7), lower sealing cover (8), lower seal (9) and bottom sealing socket (10); On the middle part outer wall of feed pipe (4), be fixed with belt pulley (6); On the outer wall of feed pipe (4) and on the top of belt pulley (6), be fixed with rolling bearing (5), be fixed with rolling bearing (7) down in the bottom of belt pulley (6); End at feed pipe (4) is fixed with top cover labyrinth (1), and upper seal support (3) is enclosed within on the outer wall of feed pipe (4); The bottom of top cover labyrinth (1) is fixed with upper seal support (3), and the sealing of going up (2) is arranged in upper seal support (3); Be with lower sealing cover (8) on the outer wall of feed pipe (4), lower sealing cover (8) is in the bottom of following rolling bearing (7); Be fixed with bottom sealing socket (10) in the bottom of lower sealing cover (8), bottom sealing socket (10) is enclosed within on the outer wall of feed pipe (4); Lower seal (9) is arranged in bottom sealing socket (10);
The hydraulic cyclone separating part is made up of impeller (11), bleed off pipe (12), cyclone wear-resistant liner cover (13), cyclone shell body (14) and underflow pipe (15), is fixed with impeller (11) at the other end of feed pipe (4); Be fixed with conical cyclone shell body (14) in the bottom of bottom sealing socket (10); On the inwall of cyclone shell body (14), be fixed with conical cyclone wear-resistant liner cover (13), the upper end of impeller (11) in cyclone wear-resistant liner cover (13); Following end flanges at cyclone shell body (14) is fixed with underflow pipe (15); There is the solid phase outlet lower end of underflow pipe (15); On the sidewall of underflow pipe (15), be fixed with fluid outlet pipe, bleed off pipe (12) arranged in the inner of fluid outlet pipe, bleed off pipe (12) at center line and cyclone wear-resistant liner cover (13) center line on the bar straight line.
2. crude oil desanding dynamic hydrocyclone according to claim 1 is characterized in that: two cooling-lubricant mouths are arranged on the outer wall of upper seal support (3); On the outer wall of lower sealing cover (8) and bottom sealing socket (10), a cooling-lubricant mouth is arranged respectively.
3. crude oil desanding dynamic hydrocyclone according to claim 1 is characterized in that: cyclone wear-resistant liner cover (13) adopts nonmetals or ceramic wear-resisting material.
4. according to claim 1,2 or 3 described crude oil desanding dynamic hydrocyclones, it is characterized in that: described impeller (11) is made up of 2～12 blades, radially outwards radially or crooked radial uniform, the blade location is installed between two end plates of rotation grid blade.
5. according to claim 1,2 or 3 described crude oil desanding dynamic hydrocyclones, it is characterized in that: the top sidewall of described bleed off pipe (12) has 4～20 radially radially rectangle inlets, and cross form drag whirlpool plate is arranged in the top of bleed off pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200281685U CN202064929U (en) | 2011-01-27 | 2011-01-27 | Dynamic hydrocyclone for crude oil sand removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200281685U CN202064929U (en) | 2011-01-27 | 2011-01-27 | Dynamic hydrocyclone for crude oil sand removal |
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| Publication Number | Publication Date |
|---|---|
| CN202064929U true CN202064929U (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200281685U Expired - Lifetime CN202064929U (en) | 2011-01-27 | 2011-01-27 | Dynamic hydrocyclone for crude oil sand removal |
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| CN (1) | CN202064929U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184861A (en) * | 2013-04-02 | 2013-07-03 | 荆州市明德科技有限公司 | Crude oil sand content analysis device |
| GB2525509A (en) * | 2014-04-25 | 2015-10-28 | Hunting Energy Services Uk Ltd | Conversion method |
| CN108557950A (en) * | 2018-03-31 | 2018-09-21 | 鲍志兴 | A kind of dynamic hydrocyclone |
| CN108612515A (en) * | 2018-06-15 | 2018-10-02 | 西南石油大学 | A kind of sea bottom hydrate underground separator with spiral current stabilization cone |
| CN108993763A (en) * | 2018-08-14 | 2018-12-14 | 中国恩菲工程技术有限公司 | Classifying cyclone, slime separation device, separation system and method for separating |
| CN109290075A (en) * | 2018-08-30 | 2019-02-01 | 东北石油大学 | Hydrocyclone separation technology device based on partial size selection |
| CN109382223A (en) * | 2018-12-05 | 2019-02-26 | 沈阳环境科学研究院 | A kind of four phase cyclone separators |
| GB2580169B (en) * | 2018-12-21 | 2021-02-17 | Vulco Sa | Hydrocyclone |
| CN113482589A (en) * | 2021-07-28 | 2021-10-08 | 张华� | Oil exploitation desanding all-in-one machine and desanding method thereof |
-
2011
- 2011-01-27 CN CN2011200281685U patent/CN202064929U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184861A (en) * | 2013-04-02 | 2013-07-03 | 荆州市明德科技有限公司 | Crude oil sand content analysis device |
| GB2525509A (en) * | 2014-04-25 | 2015-10-28 | Hunting Energy Services Uk Ltd | Conversion method |
| CN108557950A (en) * | 2018-03-31 | 2018-09-21 | 鲍志兴 | A kind of dynamic hydrocyclone |
| CN108612515A (en) * | 2018-06-15 | 2018-10-02 | 西南石油大学 | A kind of sea bottom hydrate underground separator with spiral current stabilization cone |
| CN108993763A (en) * | 2018-08-14 | 2018-12-14 | 中国恩菲工程技术有限公司 | Classifying cyclone, slime separation device, separation system and method for separating |
| CN108993763B (en) * | 2018-08-14 | 2024-03-19 | 中国恩菲工程技术有限公司 | Classifying cyclone, slime separation device, separation system and separation method |
| CN109290075A (en) * | 2018-08-30 | 2019-02-01 | 东北石油大学 | Hydrocyclone separation technology device based on partial size selection |
| CN109382223A (en) * | 2018-12-05 | 2019-02-26 | 沈阳环境科学研究院 | A kind of four phase cyclone separators |
| GB2580169B (en) * | 2018-12-21 | 2021-02-17 | Vulco Sa | Hydrocyclone |
| CN113482589A (en) * | 2021-07-28 | 2021-10-08 | 张华� | Oil exploitation desanding all-in-one machine and desanding method thereof |
| CN113482589B (en) * | 2021-07-28 | 2023-11-03 | 张华� | Petroleum exploitation and desanding integrated machine and desanding method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
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| CX01 | Expiry of patent term |