CN106311490B - The method that a kind of solid whirlpool centrifugal separation equipment and its progress oil spilling skim object separation - Google Patents
The method that a kind of solid whirlpool centrifugal separation equipment and its progress oil spilling skim object separation Download PDFInfo
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- CN106311490B CN106311490B CN201611000394.6A CN201611000394A CN106311490B CN 106311490 B CN106311490 B CN 106311490B CN 201611000394 A CN201611000394 A CN 201611000394A CN 106311490 B CN106311490 B CN 106311490B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/04—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/02—Continuous feeding or discharging; Control arrangements therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/04—Periodical feeding or discharging; Control arrangements therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
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Abstract
The invention discloses the methods that a kind of solid whirlpool centrifugal separation equipment and its progress oil spilling skim object separation, support arm, column rotary drum, suction line, pre-rotation guide vane, grid, central fixed shaft, water phase overflow weir, oily phase overflow weir, water phase outlet, oil phase outlet pipe and gas phase outlet, wherein, suction line and column rotary drum are coaxial, and suction line end is equipped with pre-rotation guide vane, by grid is divided into several mutually independent fan-shaped Disengagement zone in column rotary drum.It generates centrifugal force progress water phase using motor drive column drum rotating to be mutually gradually disengaged with oil, oil mutually flows into the oil storage chamber that oil phase discharge pipe is expelled to oil skimmer barge through overflow weir after separation；And water phase up to standard is then expelled directly out through water phase overflow weir through water phase outlet.The separation equipment is small in size, strong applicability, stable, separative efficiency is high, can not add any medicament and realize efficiently separating for oil and water, separative efficiency can reach 99%, meet the requirement of oil skimming oily water separating equipment peculiar to vessel.
Description
Technical field
The present invention relates to oil spilling processing equipments, more particularly to a kind of solid whirlpool centrifugal separation equipment and its carry out oil spilling slash
The method of object separation out, can be widely used for emergency disposal of spill oil at sea field.
Background technique
With the enhancing of environmental consciousness, the emergency processing work of oil spill accident is received more and more attention.It is online on ship
The oil-collecting ratio of oil skimmer barge can be increased substantially by skimming object oily water separation technique, be water pollution range after reducing oil spilling, ensured
Drinking water safety, the Key technology that processing with regeneration are carried out to the polluted-water of recycling.Skimmed object complicated component,
Physical parameter at any time constantly variation, space is small on ship, lack professional operator on ship and outer draining oil content require it is tight
The limitation of the conditions such as lattice, the progress peculiar to vessel for skimming object oily water separation technique are more slow always.
Currently, for oil spilling skim object feature frequently with separation equipment have hydrocyclone and voraxial separator.
1991, Concophillips Company of the U.S. devised using Vortoil type hydrocyclone as core resolution element first in the world first
Cover oil skimming water-oil separating technique peculiar to vessel；2010, EVTN company of the U.S., which devises, separated member by core of voraxial separator
The oil skimming of part water-oil separating technique peculiar to vessel.Hydraulic detention time is short in hydrocyclone and the voraxial separator course of work
It is (2S or so), small in size, but it is sensitive to mixed liquor physical parameter to be separated, and oil spilling uncertain for physical parameter skims object
Treatment effect is bad, and when entrance oil content is low, treatment effect is also worse, and the oil content of externally discharged waste water is unable to reach environmental regulation
It is required that 15ppm.In addition, this kind of equipment formed vortex during skim object by biggish shear stress easily cause grease into
The emulsification of one step.2013, Hoverspill company was directed to skims object complicated component for the first time, physical parameter gradually changes at any time
Characteristic, and the separation equipment that is mounted on oil skimmer barge needs to meet that small in size, hydraulic detention time is short, the spies such as easy to operate
Different condition proposes a kind of adaptable oil skimming Turbylec type centrifugal separator peculiar to vessel, and has applied for the U.S. with 2014
Patent " Device for Separating tow Immiscible Fluids of Different Densities by
Centrifugation " Patent No.: 2014/0251145 A1 of US.Turbylec type centrifugal separator drum is straight using motor
Driving is connect, rotary drum revolving speed can be adjusted according to physical parameter, and the method by increasing hydraulic detention time is dynamic to improve
The stability of state centrifugal separator, design hydraulic detention time is 15S, much higher than used strong centrifugal separation equipment 2S or so
Hydraulic detention time.However, its arrival end fluid is by static really very short, the biggish acceleration to the time for forming vortex process
Strong shear stress and strong turbulence caused by degree will lead to the broken of oil droplet.Therefore, nothing under the hydraulic detention time of 15S
Method removes the part oil emulsion formed by the breakup of drop, and field test also indicates that the oil content of its water out fluid still can not
It is down to 15ppm or less.
Summary of the invention
Based on the problems of prior art, the object of the present invention is to provide a kind of solid whirlpool centrifugal separation equipment and its
The method that oil spilling skims object separation is carried out, may be implemented to skim the online grease of object and efficiently separate, equipment volume is small, operation is simple
Single, strong applicability.
The purpose of the present invention is what is be achieved through the following technical solutions:
The embodiment of the present invention provides a kind of solid whirlpool centrifugal separation equipment, comprising:
Support arm, column rotary drum, suction line, pre-rotation guide vane, grid, central fixed shaft, water phase overflow weir, oil
Phase overflow weir, water phase outlet, oil phase outlet pipe and gas phase outlet；Wherein,
The column rotary drum is located in the support arm by the central fixed shaft, and the column rotary drum in it by setting
Several grids set are fixedly connected with the central fixed shaft, several grids by the column rotary drum and the central fixed shaft it
Between annular space be divided into several fan-shaped Disengagement zone independent, the bottom end of each sector Disengagement zone is entrance, and top is
Mouthful；
The column rotary drum can be rotated with the central fixed shaft in the support arm；
Column rotary drum bottom end is equipped with driving device connecting shaft, and the driving device connecting shaft is in outside the support arm
Portion；
The suction line is located at the shaft core position of the column rotary drum, and the outlet of the suction line is in column rotary drum
Bottom, the pre-rotation guide vane is equipped in the outlet of the suction line；
The oil phase overflow weir is located at the top of the column rotary drum, and the oil phase overflow weir upper end is arranged the water phase and overflows
Weir is flowed, the bottom plate outer ring of the oil phase overflow weir is connected with the inner wall of the column rotary drum, and the outer rim of the oil phase overflow weir is equipped with
Several rectangular channels of water phase are flowed out, each rectangular channel is connected to the water phase overflow weir, and the centre of the oil phase overflow weir is equipped with stream
The hollow duct of fuel-displaced phase, the hollow duct are connected to the oil gas two-phase laminated flow area above the water phase overflow weir；
The water phase outlet is located on the support arm, is connected to the annular space at the top of the water phase overflow weir；
The oil phase outlet pipe is located on the support arm, is connected with the oil gas two-phase laminated flow area above the water phase overflow weir
It is logical；
The gaseous phase outlet pipe is located on the support arm, is connected with the oil gas two-phase laminated flow area above the water phase overflow weir
It is logical.
The embodiment of the present invention, which also provides a kind of solid whirlpool of the present invention centrifugal separation equipment and carries out oil spilling, skims object
Separation method, comprising:
Make to skim suction line of the object through separation equipment and flows into the separation equipment, suction line end along the axle center of column rotary drum
Arrival end runner is divided into several independent sector shaped helical runners by the pre-rotation guide vane of end setting；Sector shaped helical runner drives
It is dynamic flow through skim object and enter in the column rotary drum in the form being vortexed and be divided into several independent fan-shaped Disengagement zone by several grids；
The column drum rotating is driven by driving device, skims object in each independent fan section in the column rotary drum
It rotates according to solid volute formula, is rapidly separated in the different water-oil phase of rotating centrifugal effect lower density；
Water phase and oil mutually enter water phase outlet through water phase overflow weir and oily phase overflow weir respectively and mutually export with oil after separation
Pipe discharge；
Oil containing gas phase mutually skims object and further separates through oily phase overflow weir inflow Oil-gas Separation area, the gas phase after separation
By the gaseous phase outlet pipe discharge being located at the top of Oil-gas Separation area, oil is mutually by being located at the oil phase outlet pipe of Oil-gas Separation area bottom
Discharge.
As seen from the above technical solution provided by the invention, separation equipment provided in an embodiment of the present invention, by
Guide vane of prewhirling is arranged in suction line end, skims object and enters column rotary drum after pre-rotation, accelerator is in closed spiral shell
It is completed in eddy flow road, to completely eliminate the Strong shear effect of vortex forming process；Due to column rotary drum and central fixed shaft
Between connected using several grids, the annulus between column rotary drum and central fixed shaft is divided by several grids several each
From independent fan-shaped Disengagement zone, and then realize fluid with the separation process of solid volute formula, reduce in separation process fluid by
The shear stress arrived.By using above structure, which, can be significantly compared with existing dynamic centrifugal isolation technics
The percentage of damage of oil droplet is reduced, and then improves the separative efficiency of equipment, the outer oil content drained is reduced, environmental regulation can be met
It is required that.Separation equipment of the invention efficiently separates, it can be achieved that skimming the online oily, water of object, and equipment volume is small, easy to operate, suitable
With property is strong, stability is high, it is suitble to long-term operation, fundamentally avoids existing oil spilling and skim object oily water separating equipment point
The disadvantage big from low efficiency, whirlpool forming process shear stress has biggish application value.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is solid whirlpool centrifugal separation equipment schematic diagram provided in an embodiment of the present invention.
Fig. 2 be Fig. 1 in separation equipment A-A to cross section view；
Fig. 3 is the cross section view of the B-B direction of separation equipment in Fig. 1；
The corresponding component of each label in figure are as follows: 1- pre-rotation guide vane, 2- suction line, 3- column rotary drum, 4- grid,
5- central fixed shaft, 6- support arm, 7- water phase overflow weir, 8- oil phase overflow weir, 9- oil phase outlet pipe, 10- gaseous phase outlet pipe,
11- oil gas phase separation region, 12- water phase outlet.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
As shown in Figures 1 to 3, the embodiment of the present invention provides a kind of solid whirlpool centrifugal separation equipment, it can be achieved that skim object online
Oil, water and gas efficiently separate, comprising:
Support arm 6, column rotary drum 3, suction line 2, pre-rotation guide vane 1, grid 4, central fixed shaft 5, water phase are overflow
Flow weir 7, oily phase overflow weir 8, water phase outlet 12, oil phase outlet pipe 9 and gas phase outlet 10；Wherein,
Column rotary drum 3 is located in support arm 6 by central fixed shaft 5, and column rotary drum 3 passes through several grids being arranged inside
4 are fixedly connected with central fixed shaft 5, and the annular space between column rotary drum 3 and central fixed shaft 5 is divided by several grids 4
Several fan-shaped Disengagement zone independent, the bottom end of each sector Disengagement zone are entrance, and top is outlet；
Column rotary drum 3 can be rotated with central fixed shaft 5 in support arm 6；
3 bottom end of column rotary drum is equipped with driving device connecting shaft, and driving device connecting shaft is in outside support arm 6；
Suction line is located at the shaft core position of column rotary drum, and the outlet of the suction line is in the bottom in column rotary drum 3,
Pre-rotation guide vane 1 is equipped in the outlet of the suction line；
Oily phase overflow weir 8 is located at the top of column rotary drum 3, and water phase overflow weir 7, oily phase overflow is arranged in oily phase overflow weir upper end
The bottom plate outer ring on weir 8 is connected with the inner wall of column rotary drum, and the outer rim of the oil phase overflow weir is equipped with several rectangles of outflow water phase
Slot, each rectangular channel are connected to water phase overflow weir 7, and the centre of the oil phase overflow weir 8 is equipped with the hollow duct of effluent oil phase, hollow flow
Road is connected to the oil gas two-phase laminated flow area of 7 top of water phase overflow weir；
Water phase outlet 12 is located on support arm 6, is connected to the annular space at the top of water phase overflow weir；
Oil phase outlet pipe 9 is located on support arm 6, is connected to the oil gas two-phase laminated flow area above water phase overflow weir；
Gaseous phase outlet pipe 10 is located on support arm 6, is connected to the oil gas two-phase laminated flow area above water phase overflow weir.
In above-mentioned separation equipment, suction line 2 and column rotary drum 3 are coaxial.
In above-mentioned separation equipment, pre-rotation guide vane 1 is actively installed on the exit of 2 end of suction line, can be in entrance
Rotation in pipeline 2.
In above-mentioned separation equipment, oil phase outlet pipe 9 is connected to 11 bottom of oil gas two-phase laminated flow area.
In above-mentioned separation equipment, gaseous phase outlet pipe 10 is connected to the top in oil gas two-phase laminated flow area 11.
In above-mentioned separation equipment, matched by water phase overflow weir diameter and the oil-water interfaces of fan-shaped Disengagement zone.
The embodiment of the present invention also provides a kind of solid whirlpool centrifugal separation equipment and carries out the separation method that oil spilling skims object, packet
It includes:
Make to skim suction line of the object through separation equipment and flows into the separation equipment, suction line end along the axle center of column rotary drum
Arrival end runner is divided into several independent sector shaped helical runners by the pre-rotation guide vane of end setting；Sector shaped helical runner drives
It is dynamic flow through skim object and enter in column rotary drum in the form being vortexed and be divided into several independent fan-shaped Disengagement zone by several grids；
Column drum rotating is driven by driving device, skims object according to solid in each independent fan section in column rotary drum
The rotation of volute formula is rapidly separated in the different water-oil phase of rotating centrifugal effect lower density；
Water phase and oil mutually enter water phase outlet through water phase overflow weir and oily phase overflow weir respectively and mutually export with oil after separation
Pipe discharge；
Oil containing gas phase mutually skims object and further separates through oily phase overflow weir inflow Oil-gas Separation area, the gas phase after separation
By the gaseous phase outlet pipe discharge being located at the top of Oil-gas Separation area, oil is mutually by being located at the oil phase outlet pipe of Oil-gas Separation area bottom
Discharge.
It in the above method, keeps the pressure of water phase outlet and oil phase outlet pipe equal, can control each fan-shaped Disengagement zone
Water-oil phase interface maintains the position of the annulus where water phase overflow weir.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Fig. 1 to 3 show solid whirlpool provided by the present invention centrifugal separation equipment, wherein Fig. 1 is the whole of the separation equipment
Body structural schematic diagram, Fig. 2 and Fig. 3 are the A-A and B-B direction cross section view of the separation equipment in Fig. 1, which includes: pre-rotation
Guide vane 1, suction line 2, column rotary drum 3, grid 4, central fixed shaft 5, equipment support arm 6, water phase overflow weir 7, oily phase
Overflow weir 8, oil phase outlet pipe 9, gaseous phase outlet pipe 10, oil gas phase separation region 11 and water phase outlet 12 etc..Wherein, suction line
2 are mounted at the axle center of column rotary drum, and the end of suction line 2 is equipped with guide vane of prewhirling；Central fixed shaft and column rotary drum
With one heart, grid is mounted between central fixed shaft and column rotary drum, is formed in annulus in column rotary drum with central fixed shaft
Form several independent fan-shaped Disengagement zone；Water phase and oily phase overflow weir are mounted on the upside of column rotary drum, the diameter of water phase overflow weir
The middle position of oil, the outlet of water two-phase is set, and the setting of water phase outlet is at the top of water phase overflow weir and at the top of oily phase overflow weir
At the annular space formed below sealing plate；There are oil gas two-phase laminated flow area, oil phase outlet pipe settings at the top of oily phase overflow weir
In the bottom in oil gas two-phase laminated flow area, gaseous phase outlet pipe is from equipment Base top contact.
Separation equipment separation oil spilling of the invention skims the process of object are as follows: oil spilling skims object and is in 3 axle center of column rotary drum certainly
Suction line 2 enter the separation equipment, skim object accelerates under the action of pre-rotation vanes 1 of 2 end of suction line formation
It is vortexed, the angle of outlet and rotary drum revolving speed of pre-rotation guide vane 1 match, and pre- supination is made to skim the angular velocity of rotation and rotary drum of object
Revolving speed is consistent；Each sector for skimming object and being flowed under conditions of the opposite tangential velocity of very little is poor in column rotary drum 3 of pre- supination
Disengagement zone, and with column rotary drum 3 together according to solid volute at rotation, it is close in each fan-shaped Disengagement zone under rotary centrifugal force effect
It spends different water-oil phases and fast implements separation；Water phase is discharged into water phase outlet 12, oil phase and slash through water phase overflow weir after separation
The portion gas contained in object out is discharged into oil after then separating again by oily phase overflow weir inflow Oil-gas Separation area 11 respectively and mutually goes out
Mouth pipe 9 and gas phase outlet 10；In the case where keeping water, the identical situation of oily two-phase outlet pressure, oil, water two are alternate in separation process
Interface will control at the annulus position locating for water phase overflow weir, therefore the stalling characteristic of equipment is not by operating condition and slash
The influence of object physical parameter out, stability with higher.
The present invention in actual use, suitable separation equipment of the present invention can be selected according to the treating capacity of oil skimmer, will be separated
The suction line of equipment and the outlet line of oil skimmer connect, and export oil content according to oil skimmer, selection installation level-one separation is set
The series connection of standby or two-stage separation equipment, connect according to two pieces separation equipment, then the water phase outlet of afterbody separation equipment
It is discharged direct outlet, oil phase outlet pipe is connected with oil skimmer barge oil storage chamber；When specific separation, valve before and after separation equipment is checked, really
Recognize after unlatching to open and carry out liquid valve, makes to skim object and smoothly flow through separation equipment, start driving motor.
Separation equipment of the invention has the advantage that
(1) CENTRIFUGAL ACCELERATING is high, and adjustability is good: the column rotary drum 3 in separation equipment, therefore can be with directly by motor drive
It is adjusted according to the property of separation of material and treating capacity, centrifugal acceleration is up to 1000 g or more.Higher centrifugal acceleration
It is rapidly separated the water-oil phase with smaller density contrast, compared with hydrocyclone and voraxial separator, separation process
It is completed in rotary drum, centrifugal acceleration remains constant, therefore can isolate more short grained oil droplet, and separative efficiency also obtains
To greatly improving, highest separative efficiency is up to 99% or more.
(2) vortex forming process is stablized, and oil droplet is not crushed: suction line 2 and column rotary drum 3 are coaxial, suction line 2
End is equipped with guide vane 1 of prewhirling, and skims object and gradually forms whirlpool in the independent spiral runner for prewhirling guide vane 1 formation
Stream, and enter Disengagement zone with tangential velocity identical with 3 revolving speed of column rotary drum, vortex forming process is stablized, and shear stress is low, without office
Bilge vortex, therefore fundamentally reduce the physical condition for causing Oil Droplet Breakup.Compared with Turbylec type centrifugal separator, whirlpool
It flows forming process to stablize, it is lower that broken probability occurs for oil droplet.
(3) separation process fluid keeps the form in solid whirlpool, and no shearing: Disengagement zone is separated into several independent fans by grid
Shape region, fluid remains angular speed rotation consistent with rotary drum in each fan section in separation process, forms stringent solid whirlpool
Form, avoids influence of the fluid inertia to fluidised form, without shearing effect in separation process.
(4) stability is high, easy to operate: the measure of water phase and oily phase interface after being separated using overflow weir diameter control,
Operating parameter can be greatly lowered and skim influence of the object physical parameter to equipment stalling characteristic, the operation is stable with higher
Property.Water phase and oil mutually flow into respective discharge pipe through overflow weir after separation, without being accurately controlled each operating procedure when work
Parameter, it is easy to operate, it can be used under the working environment of no professional operator.
(5) water, oil, gas three phase separation can be achieved: there are oil, gas two-phase laminated flow area on oily phase overflow weir top, for containing
Gas skims object, can not only complete the separation of oil, water two-phase, can also isolate gas phase, therefore can not only use
Object is skimmed in processing oil spilling, can be also used for the Produced Liquid of processing high water cut oil field.
In actual operation, solid whirlpool centrifugal separation equipment of the invention and method are mainly used for oil spilling and skim the online of object
Separation, high (average moisture content 90% or so) for water content of matter is skimmed in spilled oil on water surface emergency processing, oil skimmer barge is frequently round-trip
Oil spilling spot and emergency ports and the problem of lead to oil skimming low efficiency, which is directly installed on oil skimmer barge, when operation
It only need to start driving motor, carry out water-oil separating to object is skimmed, water phase up to standard is expelled directly out after processing, and oil is mutually arranged after concentration
Enter oil storage chamber on ship, so that the round-trip number of oil skimmer barge be greatly reduced, increases oil skimmer barge working efficiency, improve emergency disposal of spill oil at sea
Ability.This skims that object oily water separating equipment and method are easy to operate, stability is good, high-efficient, can be applicable in skim in object and contains
Oil mass, the wide variation of air content meet the special operating condition of oil skimmer barge.When operation, temperature is controlled at -20~80 DEG C,
Inlet pressure is lower than 1.0Mpa, and the residence time is less than 20S, and operating parameter lacks professional operator without accurate control, satisfaction
Spill response operating condition.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (8)
1. a kind of solid whirlpool centrifugal separation equipment characterized by comprising
Support arm (6), column rotary drum (3), suction line (2), pre-rotation guide vane (1), grid (4), central fixed shaft
(5), water phase overflow weir (7), oily phase overflow weir (8), water phase outlet (12), oil phase outlet pipe (9) and gas phase outlet (10)；
Wherein,
The column rotary drum (3) is located in the support arm (6) by the central fixed shaft (5), and the column rotary drum (3) is logical
It crosses several grids (4) being arranged inside to be fixedly connected with the central fixed shaft (5), several grids (4) are by the column rotary drum
(3) annular space between the central fixed shaft (5) is divided into several fan-shaped Disengagement zone independent, each fan-shaped separation
The bottom end in area is entrance, and top is outlet；
The column rotary drum (3) and the central fixed shaft (5) can the rotations in the support arm (6)；
Column rotary drum (3) bottom end is equipped with driving device connecting shaft, and the driving device connecting shaft is in the support arm (6)
It is external；
The suction line is located at the shaft core position of the column rotary drum, and the outlet of the suction line is in column rotary drum (3)
Bottom, the pre-rotation guide vane (1) is equipped in the outlet of the suction line；
The oil phase overflow weir (8) is located at the top of the column rotary drum (3), and the water phase is arranged in the oil phase overflow weir upper end
The bottom plate outer ring of overflow weir (7), the oil phase overflow weir (8) is connected with the inner wall of the column rotary drum, the oil phase overflow weir
Outer rim is equipped with several rectangular channels of outflow water phase, and each rectangular channel is connected to the water phase overflow weir (7), the oil phase overflow weir
(8) centre is equipped with the hollow duct of effluent oil phase, and the hollow duct is connected to the oil gas above the water phase overflow weir (7)
Two-phase laminated flow area；
The water phase outlet (12) is located on the support arm (6), is connected to the annular space at the top of the water phase overflow weir；
The oil phase outlet pipe (9) is located on the support arm (6), with the oil gas two-phase laminated flow area above the water phase overflow weir
Connection；
The gaseous phase outlet pipe (10) is located on the support arm (6), with the oil gas two-phase laminated flow above the water phase overflow weir
Area's connection.
2. a kind of solid whirlpool centrifugal separation equipment according to claim 1, which is characterized in that the suction line (2) with
The column rotary drum (3) is coaxial.
3. a kind of solid whirlpool centrifugal separation equipment according to claim 1, which is characterized in that the pre-rotation guide vane
(1) it is actively installed on the exit of the suction line (2) end, it can the rotation in the suction line (2).
4. a kind of solid whirlpool centrifugal separation equipment according to claim 1, which is characterized in that the oil phase outlet pipe (9)
It is connected to oil gas two-phase laminated flow area (11) bottom.
5. a kind of solid whirlpool centrifugal separation equipment according to claim 1, which is characterized in that the gaseous phase outlet pipe (10)
It is connected to the top in oil gas two-phase laminated flow area (11).
6. a kind of solid whirlpool centrifugal separation equipment according to claim 1, which is characterized in that the water phase overflow weir diameter
Match with the oil-water interfaces of the fan-shaped Disengagement zone.
7. a kind of solid whirlpool as claimed in any one of claims 1 to 6 centrifugal separation equipment carries out the method that oil spilling skims object separation,
It is characterised by comprising:
Make to skim suction line of the object through separation equipment and flow into the separation equipment along the axle center of column rotary drum, suction line end is set
Arrival end runner is divided into several independent sector shaped helical runners by the pre-rotation guide vane set；Sector shaped helical runner driving stream
Skimming object and entering in the column rotary drum in the form that is vortexed for crossing is divided into several independent fan-shaped Disengagement zone by several grids；
The column drum rotating is driven by driving device, in the column rotary drum in each independent fan section skim object according to
The rotation of solid volute formula is rapidly separated in the different water-oil phase of rotating centrifugal effect lower density；
Water phase and oil mutually enter water phase outlet and oil phase outlet pipe row through water phase overflow weir and oily phase overflow weir respectively after separation
Out；
Oil containing gas phase mutually skims object and further separates through oily phase overflow weir inflow Oil-gas Separation area, and the gas phase after separation passes through
The gaseous phase outlet pipe discharge being located at the top of Oil-gas Separation area, oil are mutually arranged by being located at the oil phase outlet pipe of Oil-gas Separation area bottom
Out.
8. solid whirlpool according to claim 7 centrifugal separation equipment carries out the method that oil spilling skims object separation, feature exists
In in the method, the pressure of holding water phase outlet and oil phase outlet pipe is equal, can control the grease two of each fan-shaped Disengagement zone
Phase interface maintains the position of the annulus where water phase overflow weir.
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| CN201611000394.6A CN106311490B (en) | 2016-11-14 | 2016-11-14 | The method that a kind of solid whirlpool centrifugal separation equipment and its progress oil spilling skim object separation |
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| CN201611000394.6A CN106311490B (en) | 2016-11-14 | 2016-11-14 | The method that a kind of solid whirlpool centrifugal separation equipment and its progress oil spilling skim object separation |
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| CN106311490B true CN106311490B (en) | 2019-01-04 |
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| CN109731699B (en) * | 2019-01-18 | 2020-04-10 | 西安交通大学 | Liquid-liquid two-phase fluid centrifugal separation device and method |
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| CN102423550A (en) * | 2011-10-20 | 2012-04-25 | 上海市第一中学 | Centrifugal separation apparatus for crude oil pollution in seawater |
| FR2986439B1 (en) * | 2012-02-02 | 2015-04-10 | Ylec Consultants | DEVICE FOR SEPARATING TWO NON-MISCIBLE FLUIDS OF DIFFERENT DENSITY |
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