CN207786830U - A kind of grease sand separation triphase horizontal screw centrifuge - Google Patents
A kind of grease sand separation triphase horizontal screw centrifuge Download PDFInfo
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- CN207786830U CN207786830U CN201721824598.1U CN201721824598U CN207786830U CN 207786830 U CN207786830 U CN 207786830U CN 201721824598 U CN201721824598 U CN 201721824598U CN 207786830 U CN207786830 U CN 207786830U
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- Prior art keywords
- oil
- horizontal screw
- big end
- separation
- auger conveyor
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- 239000004576 sand Substances 0.000 title claims abstract description 36
- 238000000926 separation method Methods 0.000 title claims abstract description 29
- 239000004519 grease Substances 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 7
- 241000826860 Trapezium Species 0.000 claims description 4
- 101100041681 Takifugu rubripes sand gene Proteins 0.000 abstract description 29
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004062 sedimentation Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 78
- 239000012071 phase Substances 0.000 description 22
- 230000032683 aging Effects 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000009671 shengli Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Centrifugal Separators (AREA)
Abstract
A kind of grease sand separation triphase horizontal screw centrifuge, belongs to oil exploration and development fields.Circumferential direction is welded with 12 pieces of risers on the auger conveyor wall surface of this horizontal spiral centrifuge, auger blade is welded on riser, 12 pieces of risers add the settling height for reducing oil droplet in liquid pool, increase the sedimentation time, are more advantageous to the separation of oil phase and water phase.It is welded with the oil baffle of a column tapered structure on the wall surface at auger conveyor column cone junction end to the right, oil phase can be prevented to be moved towards sand export direction, reduce the oil content that shakes out.Rotary drum is provided with a ring diversion plate at big end, and the separation for being more advantageous to oil phase and water phase is arranged in this, improves oil removal efficiency.Overflow oil baffle is equipped on big end flanges outer end face, the size of control overflow oil outlet reaches best oil-water separation to adjust Fluid tank depth.It was verified that the triphase horizontal screw centrifuge of this structure is apparent to the separating effect of grease sand.
Description
Technical field
The utility model is related to a kind of grease sand separation triphase horizontal screw centrifuges, belong to oil exploration and development fields.
Background technology
In recent years with the substantial increase of oil field mining liquid water content, increase Produced Liquid treating capacity conveying and processing when
Between energy consumption sharp increase.It needs to carry out dehydration oil removing to Produced Liquid, so that crude oil is further processed.It is sleeping using three-phase
Formula screw centrifuge to carry out oil field mining liquid the three phase separation of grease sand, can disposably realize up to standard to discharge of wastewater
It eliminates harmful solid phase particles simultaneously and recycles useful oil phase.
In " three mud " processing, oily sludge dehydration is to refine oil the common technology problem of Petrochemical Enterprises for a long time.For example
The generally modified sewage of sewage or condensed oil sewage of domestic Shengli Oil Field sludge dewatering system processing, water inlet oil content is high, nothing
The reasons such as machine object content is high, and grease density contrast is small make the centrifugal dehydration system temporarily run show there are operational effect is bad
As.
Patent CN103143453A discloses a kind of triphase horizontal spiral centrifugal suitable for method for treating ageing oil of viscous oil
Machine adds ageing oil demulsifier into the viscous crude ageing oil after heating by dosing pump, will be added to the viscous crude of demulsifier later
Ageing oil is transported in ageing oil buffering settling tank, and the viscous crude ageing oil after settlement treatment is transported to three by heat preservation settlement about 8h
In phase horizontal spiral centrifuge, isolated grease mud three-phase, wherein oil is through pump input oil storage tank or is directly entered crude oil transmission
System；Water goes multi-purpose station sewage disposal system after pump is promoted；The regular automotive of greasy filth goes to centralized treatment plant.Water content is by initial
45-50% drop to 8% or so.Greasy filth oil-containing 20%, sewage with oil average value are 2623.68ppm.But greasy filth oil-containing and
Sewage with oil is not up to state standards.
Patent CN103586142A discloses a kind of horizontal type spiral sedimentation three-phase separation centrifugal machine, described in ring flange
The first circumferencial direction on the outside of axis hole is provided with the fuel-displaced spout hole of more than two numbers, and any one of spout hole connects
The inner side and outer side of logical rotary drum, one the second circumferencial direction setting of ring flange upper edge of first periphery there are two with
The throttle orifice of upper number, any one throttle orifice include respectively that there are one radial hole and an axial hole, one end of radial hole
It is connected to one end of axial hole, and is respectively communicated with the outer circumference surface and inner face of ring flange.The utility model patent does not specify simultaneously
How liquid separation is collected into respective gathering line after grease discharge.
Invention content
In order to overcome problems of the prior art, the utility model to provide a kind of grease sand separation triphase horizontal spiral
Centrifuge, the horizontal spiral centrifuge should add different structures in rotary drum and outside rotary drum, make full use of fluid flow and
Law of segregation improves the separating effect to grease sand, effectively can reliably be directed to oil field mining liquid, oil refining Petrochemical Enterprises contain greasy dirt
Mud problem is handled.
The technical solution adopted in the utility model is：A kind of grease sand separation triphase horizontal screw centrifuge, including rotary drum,
Auger conveyor, big end flanges, small end flanges, left-hand screw axle journal, right-hand screw axle journal and satellite differential, the rotary drum packet
Containing a shell of column cylinder and a cone section cylinder, in rotary drum along radial position liquid pool be successively from inside to outside layer of light liquid oil,
Heavy-fluid layer water and residue layer sand, circumferential direction is welded with 12 pieces of risers, auger conveyor leaf on the wall surface of the auger conveyor
Piece is welded on riser, and sub-material mouth, the wall at the column cone junction end to the right of auger conveyor is arranged in distribution cabins in auger conveyor
An oil baffle is welded on face；The rotary drum is equipped with a ring diversion plate at big end, is set on the outer end face of big end flanges
There are the overflow oil baffle of control overflow oil outlet size, big end flanges to be externally provided with an annular liquid separatnig plate, pass through pipe flange and screw
With big end flanged joint.
The length of the riser covers the entire shell of column of auger conveyor and sub-fraction cone section inner cylinder wall surface, the height of riser
According to how much changes of charging oil content.
The oil baffle is column tapered structure, there is the axial distance of 3.0-12mm between riser.
Waist-shaped hole is arranged in the ring diversion plate, is distributed in a ring.
The overflow oil baffle（12）It is 12, is in circumferentially distributed trapezium structure.
The utility model has the beneficial effects that：This grease sand separation triphase horizontal screw centrifuge includes rotary drum, spiral
Conveyer, big end flanges, small end flanges, left-hand screw axle journal, right-hand screw axle journal and satellite differential.The wall of auger conveyor
Circumferential direction is welded with 12 pieces of risers on face, and auger blade is welded on riser, and the adding of 12 pieces of risers reduces oil droplet and exist
Settling height in liquid pool, increases the sedimentation time, is more advantageous to the separation of oil phase and water phase.Auger conveyor column bores junction
The oil baffle of a column tapered structure is welded in end wall surface to the right, the more complete cylindrical baffle of this structure can more prevent oil phase court
Sand export direction moves, and reduces the oil content that shakes out, the oil-containing that shakes out meets national standard emission request.Rotary drum is set at big end
There is a ring diversion plate, the setting less deflector of this deflector is more advantageous to the separation of oil phase and water phase, without deflector
When a part of oil phase can flow into water outlet, increase the oil content of water outlet, reduce oil removal efficiency.In big end flanges outer end face
It is equipped with overflow oil baffle, controls the size of overflow oil outlet, to adjust Fluid tank depth, reaches best water-oil separating effect
Fruit.It was verified that the triphase horizontal screw centrifuge of this structure is apparent to the separating effect of grease sand, can be directed to oil field produced
The effectively reliable technical supports of offers such as liquid, the processing for refining oil Petrochemical Enterprises oily sludge.
Description of the drawings
Fig. 1 is a kind of structure chart of grease sand separation triphase horizontal screw centrifuge.
Fig. 2 is a kind of left-half schematic enlarged-scale view of grease sand separation triphase horizontal screw centrifuge.
Fig. 3 is a kind of right half part schematic enlarged-scale view of grease sand separation triphase horizontal screw centrifuge.
Fig. 4 is big end flanges drainage structure enlarged drawing.
Fig. 5 is big end end face of flange left view.
Fig. 6 is B-B (sand export) sectional view in Fig. 1.
Fig. 7 is the structure chart of auger conveyor.
Fig. 8 is C-C (auger conveyor distribution cabins sub-material mouth) sectional view in Fig. 7.
Fig. 9 is the structure chart of rotary drum shell of column cylinder.
Figure 10 is D-D (rotary drum big end ring diversion plate) sectional view in Fig. 9.
Figure 11 is the general assembly drawing of grease sand separation triphase horizontal screw centrifuge.
In figure：1, rotary drum shell of column cylinder, 1a, rotary drum bore section cylinder, and 2, auger conveyor, 3, big end flanges, 4, small hold-carrying
Orchid, 5, left-hand screw axle journal, 6, right-hand screw axle journal, 7, satellite differential, 8, riser, 9, auger blade, 10, gear oil
Plate, 11, ring diversion plate, 11a, waist-shaped hole, 12, overflow oil baffle, 13, annular liquid separatnig plate, 14, pipe flange, 15, screw, 16,
Distribution cabins sub-material mouth, 17, oil outlet, 18, oil drain passage, 19, drainage channel, 20, sand export.
Specific implementation mode
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1,2,3,7,11 show a kind of structure chart of grease sand separation triphase horizontal screw centrifuge.It is this in figure
Grease sand separation triphase horizontal screw centrifuge includes rotary drum, auger conveyor 2, big end flanges 3, small end flanges 4, left-hand screw axis
Neck 5, right-hand screw axle journal 6 and satellite differential 7.Rotary drum includes a shell of column cylinder 1 and a cone section cylinder 1a, in rotary drum
Interior is layer of light liquid oil, heavy-fluid layer water and residue layer sand successively from inside to outside along radial position liquid pool.Auger conveyor 2
Circumferential direction is welded with 12 pieces of risers 8 on wall surface, and auger blade 9 is welded on riser 8, and the length of riser 8 covers spiral transferring
2 entire shell of column of device and sub-fraction is sent to bore section inner cylinder wall surface, the height of riser 8 is according to how much changes of charging oil content, spiral
Distribution cabins are equipped with sub-material mouth 16 in conveyer 2, and one column of welding is bored on the wall surface at the column cone junction end to the right of auger conveyor 2
The oil baffle 10 of type structure, there is the axial distance of 3.0-12mm between riser 8.Rotary drum is led at big end equipped with an annular
Flowing plate 11, waist-shaped hole 11a thereon are arranged in a ring, and control overflow oil outlet size is equipped on the outer end face of big end flanges 3
Overflow oil baffle 12, overflow oil baffle 12 is 12, is in circumferentially distributed trapezium structure, big end flanges 3 are externally provided with a ring
Shape liquid separatnig plate 13 is connect by pipe flange 14 and screw 15 with big end flanges 3.
Using above-mentioned technical solution, 12 pieces of risers 8 add the settling height for reducing oil droplet in liquid pool, increase
Sedimentation time is more advantageous to the separation of oil phase and water phase（As shown in Fig. 2,3,8）.Auger conveyor column bores junction end wall to the right
The oil baffle 10 of a column tapered structure is welded on face（As shown in Fig. 3,7）.The more complete cylindrical baffle of this structure can more hinder
Only oil phase is moved towards sand export direction, reduces the oil content that shakes out, the oil-containing that shakes out meets national standard emission request.
Rotary drum is provided with a ring diversion plate 11 at big end, and waist-shaped hole 11a thereon is arranged in a ring（As Fig. 2,4,
9, shown in 10）.The setting less deflector of this deflector is more advantageous to the separation of oil phase and water phase, one when without deflector
Divide oil phase that can flow into water outlet, increases the oil content of water outlet, reduce oil removal efficiency.
It is provided with overflow oil baffle 12 on big end flanges outer end face, controls the size of overflow oil outlet（Such as the institute of Fig. 2,4,5
Show）.It is in circumferentially distributed that overflow oil baffle 12, which is 12, is trapezium structure.According to charging oil content number, by adjust overflow
Flow oil baffle 12, thus it is possible to vary the size of oil outlet reaches best oil-water separation to adjust Fluid tank depth.
Big end flanges peripheral hardware is equipped with an annular liquid separatnig plate 13, is connect with big end flanges 3 by pipe flange 14 and screw 15（Such as
Fig. 2, shown in 4）.
The operation principle of this grease sand separation triphase horizontal screw centrifuge is：Grease sand mixed liquor by feed pipe into
Enter distribution cabins, enter rotary drum liquid pool from distribution cabins sub-material mouth 16 later, rotary drum and spiral cylinder intense rotation generate it is powerful from
Under the action of mental and physical efforts, oil phase due in mixed liquor material three density it is minimum, gradually get rid of in riser channel, and when passing through column
After boring handover region, most of oil droplet is blocked by oil baffle 10 and cannot continue to move towards sand export direction, finally by setting
Rotary drum is discharged in oil outlet 17 on big end end face of flange, enters shell oil phase channel later, finally from casing oil drain passage 18
Discharge；Water phase initially passes through ring diversion plate 11 in the outer layer of oil phase, later by the way that the pipe flange on big end end face of flange is arranged
14 discharge rotary drums are finally discharged from casing drainage channel 19 into shell water phase channel；It is outermost that solid phase sand grains is dumped into liquid pool
Layer pushes to sand export 20 by helical blade 9 and is discharged close to rotatory drum wall under the action of auger conveyor and rotary drum speed discrepancy
Casing finally transports centralized processing by clearing and transporting vehicle.Thereby realize the separation of grease sand three-phase（As shown in Fig. 2,3,11）.
Claims (5)
1. a kind of grease sand separation triphase horizontal screw centrifuge, including rotary drum, auger conveyor（2）, big end flanges（3）, it is small
End flanges（4）, left-hand screw axle journal（5）, right-hand screw axle journal（6）And satellite differential（7）, the rotary drum includes a shell of column
Cylinder（1）With a cone section cylinder（1a）, it is layer of light liquid oil, heavy-fluid successively from inside to outside along radial position liquid pool in rotary drum
Layer water and residue layer sand, it is characterized in that：The auger conveyor（2）Wall surface on circumferential direction be welded with 12 pieces of risers（8）, spiral shell
Revolve conveyer blade（9）It is welded on riser（8）On, auger conveyor（2）Sub-material mouth is arranged in interior distribution cabins（16）, auger conveyor
（2）Column cone junction end to the right wall surface on weld an oil baffle（10）；The rotary drum is equipped with an annular at big end
Deflector（11）, in big end flanges（3）Outer end face be equipped with control overflow oil outlet size overflow oil baffle（12）, big end
Flange（3）It is externally provided with an annular liquid separatnig plate（13）, pass through pipe flange（14）And screw（15）With big end flanges（3）Connection.
2. grease sand separation triphase horizontal screw centrifuge according to claim 1, it is characterized in that：The riser（8）'s
Length covers auger conveyor（2）Entire shell of column and sub-fraction bore section inner cylinder wall surface, riser（8）Height according to charging oil-containing
How much changes of amount.
3. grease sand separation triphase horizontal screw centrifuge according to claim 1, it is characterized in that：The oil baffle（10）
For column tapered structure, with riser（8）Between have the axial distance of 3.0-12mm.
4. grease sand separation triphase horizontal screw centrifuge according to claim 1, it is characterized in that：The ring diversion plate
（11）Waist-shaped hole is set（11a）, it is distributed in a ring.
5. grease sand separation triphase horizontal screw centrifuge according to claim 1, it is characterized in that：The overflow oil baffle
（12）It is 12, is in circumferentially distributed trapezium structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824598.1U CN207786830U (en) | 2017-12-25 | 2017-12-25 | A kind of grease sand separation triphase horizontal screw centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824598.1U CN207786830U (en) | 2017-12-25 | 2017-12-25 | A kind of grease sand separation triphase horizontal screw centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207786830U true CN207786830U (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721824598.1U Withdrawn - After Issue CN207786830U (en) | 2017-12-25 | 2017-12-25 | A kind of grease sand separation triphase horizontal screw centrifuge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067358A (en) * | 2017-12-25 | 2018-05-25 | 大连理工大学 | A kind of grease sand separation triphase horizontal screw centrifuge |
-
2017
- 2017-12-25 CN CN201721824598.1U patent/CN207786830U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067358A (en) * | 2017-12-25 | 2018-05-25 | 大连理工大学 | A kind of grease sand separation triphase horizontal screw centrifuge |
| CN108067358B (en) * | 2017-12-25 | 2023-12-22 | 大连理工大学 | Oil-water-sand separation three-phase horizontal spiral centrifuge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180831 Effective date of abandoning: 20231222 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180831 Effective date of abandoning: 20231222 |