CN205868566U - Decanter centrifuge - Google Patents
Decanter centrifuge Download PDFInfo
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- CN205868566U CN205868566U CN201620868361.2U CN201620868361U CN205868566U CN 205868566 U CN205868566 U CN 205868566U CN 201620868361 U CN201620868361 U CN 201620868361U CN 205868566 U CN205868566 U CN 205868566U
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Abstract
The utility model provides a decanter centrifuge belongs to the centrifuge apparatus field. The utility model provides a decanter centrifuge is divided into two models in two cameras and three cameras, divide two cameras of solid -liquid and oil in two cameras again two cameras in the muddy water are two kinds. Main structural component divide into parts such as spiral, rotary drum, oil removal board, annular space board, annular space passageway, major diameter end cover, minor diameter end cover, solid phase mouth, liquid phase mouth, light liquid mouth, heavy -fluid mouth and constitutes, with the most apparent the difference of ordinary decanter centrifuge exactly at inside oil removal board, annular space board and the annular space channel design of having increased of centrifuge. The design of oil removal board, annular space board can be with oil, water, the solid better separation of three -phase, and the turbulent influence of reduction that the annular space channel design can the maximize makes the output material more stable. The spiral shell machine for sleeping in of this design has better separation effect than ordinary horizontal spiral centrifuge.
Description
Technical field
This utility model relates to a kind of centrifuge instrument, particularly relates to a kind of horizontal screw centrifuge.
Background technology
Currently used Horizontal settling screw conveyer centrifugal is turned to identical and rotating ratio by high-revolving rotary drum and rotary drum
The parts compositions such as spiral that rotary drum is slightly higher or lower slightly and differential mechanism, after suspension to be separated enters bowl, at a high speed
Rotate rotary drum produce powerful centrifugal force the solid phase particles bigger than density of liquid phase is deposited to drum inner wall, due to spiral and turn
The rotating speed of drum is different, and the two there are relative motion (i.e. speed discrepancy), utilizes the relative motion of spiral and rotary drum to turn being deposited on
The solid phase of drum inwall is pushed rotary drum small end exit to and is discharged, and the clear liquid after separation is discharged spout hole from the centrifuge other end and overflowed,
The most constantly circulation, to reach the purpose being continuously separated.It is mainly used in separation and the purification of solid-liquid in industry.
Horizontal settling screw conveyer centrifugal divides again two cameras and three cameras, two-phase machine be mainly used in the separation of solid-liquid, three
Camera is mainly used in solid-water-oil separating, and owing to generic centrifuge internal structure design is the most single, shortcoming is obvious, table
Material turbulent flow ratio in entering centrifuge cavity is more serious now, causes solid-liquid phase or solid-water-oil channelling each other serious
And make the degree of purity of each material after separation relatively low, be not suitable for fine separation.Two cameras are in separating solid phase procedures, and solid phase needs
Releasing oil phase through spiral to be then exhausted from outside machine, the solid phase after this just allows the most by centrifugation is polluted by the oil again, causes oil content in solid phase
Increase.This is the insoluble problem of conventional centrifuge.
Three cameras need that artificial regulation is light, adjustable plate between heavy-fluid regulates centrifuge interior oil water interface level, this
Having led in the case of input material density or content range fluctuation ratio are relatively big, its internal weight liquid interface fluctuation is relatively
Greatly, its oil phase discharged and the purity of aqueous phase fluctuate the most therewith, make oil phase, the purity of aqueous phase is greatly reduced.This is the most common
Horizontal helical type centrifuge is difficult to accurately control the subject matter place of oil content and Water in oil rate in water.
Utility model content
For the shortcoming overcoming above-mentioned centrifuge to exist, provided herein is a kind of horizontal screw centrifuge, be divided into two cameras and three-phase
Two models of machine.It is respectively designated as according to specific category and model: sleeping spiral shell two camera, sleeping spiral shell three camera, wherein crouch spiral shell two
Sleeping spiral shell solid-liquid two camera and sleeping spiral shell oil-two kinds of types of muddy water two camera it are divided into again in camera.Above-mentioned Design of Centrifuge the most former
Manage the liquid level difference produced with high and low density liquid phase and reach to separate the purpose of weight liquid phase, also design gently with this, heavy-fluid goes out mutually
Open height, this principle is the limited principle of this Design of Centrifuge.The annualate lamella being overlapped mutually can accelerate the separation of solid, liquid
And increase each phase degree of stability.The design of annulus access makes gently, maximize that to prevent the impact of channelling from causing respective between heavy-fluid
Degree of purity is greatly improved.The design preferably resolves the problems that conventional common horizontal screw machine exists, and uses environment more
Universal adaptability.
To achieve these goals, this utility model provides a kind of horizontal screw centrifuge, main structure include spiral, rotary drum,
Major diameter end cap, minor diameter end cap, solid phase mouth, liquid phase mouth；Rotary drum is made up of taper round end and cylindrical shape round end two parts,
Cylindrical shape round end is pure straight cylinder or has certain taper cylinder, major diameter end cap close；Smaller diameter end is rotary drum taper rotation
Turning end, minor diameter end cap close, tapering point is provided above with solid phase mouth；Larger diameter end is rotary drum cylindrical shape round end, by greatly
Diameter end cap is closed, and end cap is arranged above with liquid phase mouth；Spiral is made up of with helical blade spiral-tube, and helical blade is hollow or reality
Core structure, spiral-tube is provided with charging aperture, wherein,
Described spiral-tube barrel near described minor diameter end cap is provided with has one with described spiral-tube centerline direction
Solid or the hollow at clamp angle or oil separating plate with holes, the outer edge of described oil separating plate and described rotary drum are provided with and pass through for heavy-fluid
Oil separating plate heavy-fluid port；
Described spiral-tube barrel near described major diameter end cap is provided with has certain angle with spiral-tube centrage
Hollow or annular space plate with holes, the inner side edge of described annular space plate is provided with the annular space plate light liquid port passed through for light liquid, described ring
The outer side edges of hollow plate is along being provided with the annular space plate heavy-fluid port passed through for heavy-fluid；
Described oil separating plate and described annular space plate are integrated with described spiral-tube respectively.
Wherein, described oil separating plate is solid or hollow or formboard with holes or the hollow sheeting of band wall；Described annular space plate is
Formboard with holes or be hollow sheeting with holes on inside and outside wall.
Wherein, each of described oil separating plate heavy-fluid port, described annular space plate light liquid port and described annular space plate heavy-fluid port
Single hole area is more than 1mm2。
Wherein, the diameter at rotary drum parts residing for liquid phase mouth is less than the diameter at rotary drum parts residing for solid phase mouth.
This horizontal screw centrifuge is sleeping spiral shell solid-liquid two camera: redesign on the basis of common horizontal screw centrifuge,
Increase stacked oil separating plate and annular space plate.Main structural components is divided into spiral, rotary drum, oil separating plate, annular space plate, major diameter end cap, little
The part composition such as diameter end cap, solid phase mouth, liquid phase mouth.Oil separating plate, annular space plate are located on spiral-tube, integrated with spiral-tube set
Meter, has certain interval with rotary drum；Oil separating plate is to have the solid of certain angle or hollow or with holes with spiral-tube centerline direction
Formboard, annular space plate is to have hollow or formboard with holes, oil separating plate and the annular space of certain angle with spiral-tube centrage
Plate is arranged in that phase mutual is necessarily equidistant or the multi-laminate in the same direction or in opposite directions in Unequal distance gap successively along spiral-tube centerline direction
Sheet or monolithic；Oil separating plate or annular space plate design attachment structure between two-by-two as required, and attachment structure can be by the entirety between plate and plate
Space is separated into the channel space along the radiation of rotary drum direction that each is independent.Diameter at rotary drum parts residing for liquid phase mouth is less than solid
Diameter at rotary drum parts residing for mouth mutually.Profit solid-phase mixture machine by centrifugation obtains solid phase after separating and liquid phase is biphase.
It addition, to achieve these goals, this utility model additionally provides a kind of horizontal screw centrifuge, and main structure includes spiral shell
Rotation, rotary drum, major diameter end cap, minor diameter end cap, light liquid mouth, heavy-fluid mouth；Rotary drum is by taper round end and cylindrical shape round end two
Part composition, cylindrical shape round end is pure straight cylinder or has certain taper cylinder, major diameter end cap closes；Smaller diameter end is for turning
Drum taper round end, is closed by minor diameter end cap, and tapering point is provided above with heavy-fluid mouth；Larger diameter end is that rotary drum cylindrical shape rotates
End, is closed by major diameter end cap, and end cap is arranged above with light liquid mouth；Spiral is made up of with helical blade spiral-tube, and helical blade is
Hollow or solid construction, spiral-tube is provided with charging aperture, wherein,
Described spiral-tube barrel near described minor diameter end cap is provided with has one with described spiral-tube centerline direction
Solid or the hollow at clamp angle or oil separating plate with holes, the outer edge of described oil separating plate and described rotary drum are provided with and pass through for heavy-fluid
Oil separating plate heavy-fluid port；
Described spiral-tube barrel near described major diameter end cap is provided with has certain angle with spiral-tube centrage
Hollow or annular space plate with holes, the inner side edge of described annular space plate is provided with the annular space plate light liquid port passed through for light liquid, described ring
The outer side edges of hollow plate is along being provided with the annular space plate heavy-fluid port passed through for heavy-fluid；
Described oil separating plate and described annular space plate are integrated with described spiral-tube respectively；
Be provided with ring bodies in the same direction concentric with described spiral-tube centrage on described larger diameter end lid, described ring bodies with
Described spiral-tube outer wall or the ring bodies with another different-diameter constitute annular light liquid flow-guiding channel.
Wherein, described ring bodies is integrated with described major diameter end cap.
Wherein, the diameter at rotary drum parts residing for light liquid mouth is less than the diameter at rotary drum parts residing for heavy-fluid mouth.
This horizontal screw centrifuge is sleeping spiral shell oil-muddy water two camera:
Redesign on the basis of common horizontal screw centrifuge, increase stacked oil separating plate and annular space plate and light liquid ring
Empty passage.Main structural components is divided into spiral, rotary drum, oil separating plate, annular space plate, light liquid annulus access, major diameter end cap, smaller diameter end
The part composition such as lid, heavy-fluid mouth, light liquid mouth.
Oil separating plate, annular space plate are located on spiral-tube, are the integrated design with spiral-tube, have certain interval with rotary drum；Oil removal
Plate is to have the solid of certain angle or hollow or formboard with holes with spiral-tube centerline direction, and annular space plate is and spiral-tube
Centrage has the hollow of certain angle or formboard with holes, and oil separating plate and annular space plate are arranged along spiral-tube centerline direction successively
Arrange into that phase mutual is necessarily equidistant or the multi-layer stacks in the same direction or in opposite directions in Unequal distance gap or monolithic；Oil separating plate or annular space plate are two-by-two
Between design attachment structure as required, it is independent along rotary drum side that the overall space between plate and plate can be separated into each by attachment structure
Channel space to radiation；
Light liquid annulus access is arranged on spiral or on rotary drum or on minor diameter end cap or larger diameter end lid, annulus access is
It is arranged on spiral or ring bodies in the same direction concentric with spiral-tube centrage on rotary drum or on larger diameter end lid is parallel with this
Another different-diameter ring bodies or spiral-tube outer wall or drum inner wall between formed annular flow-guiding channel, centre can have support knot
Structure.Annulus access divides derives from major diameter end cap end and derives two kinds of designs at minor diameter end cap.Light liquid mouth is residing to be turned
Diameter at drum assembly is less than the diameter at rotary drum parts residing for heavy-fluid mouth.Profit solid-phase mixture machine by centrifugation obtains oily after separating
Mutually the most biphase with muddy water.
To achieve these goals, this utility model additionally provides a kind of horizontal screw centrifuge, and main structure includes spiral, turns
Drum, major diameter end cap, minor diameter end cap, light liquid mouth, heavy-fluid mouth and solid phase mouth；Rotary drum is by taper round end and cylindrical shape round end
Two parts form, and cylindrical shape round end is pure straight cylinder or has certain taper cylinder, major diameter end cap closes；Smaller diameter end is
Rotary drum taper round end, is closed by minor diameter end cap, and tapering point is provided above with solid phase mouth；Larger diameter end is the rotation of rotary drum cylindrical shape
Turning end, major diameter end cap close, end cap is arranged above with light liquid mouth and heavy-fluid mouth, and light liquid mouth is arranged at described major diameter end cap end
Portion；Spiral is made up of with helical blade spiral-tube, and helical blade is hollow or solid construction, and spiral-tube is provided with charging aperture,
Wherein,
Described spiral-tube barrel near described minor diameter end cap is provided with has one with described spiral-tube centerline direction
Solid or the hollow at clamp angle or oil separating plate with holes, the outer edge of described oil separating plate is provided with the oil separating plate weight passed through for heavy-fluid
Liquid port；
Described spiral-tube barrel near described major diameter end cap is provided with has certain angle with spiral-tube centrage
Hollow or annular space plate with holes, the inner side edge of described annular space plate is provided with the annular space plate light liquid port passed through for light liquid, described ring
The outer side edges of hollow plate is along being provided with the annular space plate heavy-fluid port passed through for heavy-fluid；
Described oil separating plate and described annular space plate are integrated with described spiral-tube respectively；
Light liquid ring bodies in the same direction concentric with described spiral-tube centrage, described light liquid it is provided with on described larger diameter end lid
The ring bodies ring bodies with spiral-tube outer wall or with another different-diameter constitutes annular light liquid flow-guiding channel；
Heavy-fluid ring bodies in the same direction concentric with described spiral-tube centrage, described heavy-fluid it is provided with on described larger diameter end lid
Ring bodies and described rotary drum cylinder end form heavy-fluid annulus access, described heavy-fluid ring bodies and described heavy-fluid interruption-forming heavy-fluid mouth U
Type passage.
Described heavy-fluid mouth, light liquid mouth are arranged at side, described major diameter end cap end；
Wherein, straight more than at rotary drum parts residing for described solid phase mouth of the diameter at rotary drum parts residing for described heavy-fluid mouth
Footpath, the diameter at rotary drum parts residing for described solid phase mouth is more than the diameter at rotary drum parts residing for described light liquid mouth.
This horizontal screw centrifuge is sleeping spiral shell three camera:
Redesign on the basis of common horizontal screw centrifuge, increase stacked oil separating plate and annular space plate and light liquid ring
Empty passage, heavy-fluid annulus access.Main structural components is divided into spiral, rotary drum, oil separating plate, annular space plate, light liquid annulus access, heavy-fluid ring
The part compositions such as empty passage, major diameter end cap, minor diameter end cap, heavy-fluid mouth, light liquid mouth, solid phase mouth.
Oil separating plate, annular space plate are located on spiral-tube, are the integrated design with spiral-tube, have certain interval with rotary drum；Oil removal
Plate is to have the solid of certain angle or hollow or formboard with holes with spiral-tube centerline direction, and annular space plate is and spiral-tube
Centrage has the hollow of certain angle or formboard with holes, and oil separating plate and annular space plate are arranged along spiral-tube centerline direction successively
Arrange into that phase mutual is necessarily equidistant or the multi-layer stacks in the same direction or in opposite directions in Unequal distance gap or monolithic；Oil separating plate or annular space plate are two-by-two
Between design attachment structure as required, it is independent along rotary drum side that the overall space between plate and plate can be separated into each by attachment structure
Channel space to radiation；
Weight, light liquid annulus access are arranged on spiral or on rotary drum or on minor diameter end cap or larger diameter end lid, annular space leads to
Road be disposed on spiral or ring bodies in the same direction concentric with spiral-tube centrage on rotary drum or on larger diameter end lid with and this
Forming annular flow-guiding channel between parallel another different-diameter ring bodies or spiral-tube outer wall or drum inner wall, centre can have props up
Support structure.Annulus access divides derives from major diameter end cap end, it is possible to derive two kinds of designs at minor diameter end cap.Described heavy
Diameter at rotary drum parts residing for liquid mouth is more than the diameter at rotary drum parts residing for described solid phase mouth, rotary drum residing for described solid phase mouth
Diameter at parts is more than the diameter at rotary drum parts residing for described light liquid mouth.Profit solid-phase mixture machine by centrifugation obtains after separating
Solid phase, oil phase, aqueous phase three-phase.
Wherein, formboard includes the formboards such as the regular shape such as annular, circle, regular polygon of symmetry, also includes non-simultaneously
Other formboard symmetrical or irregular.
The beneficial effects of the utility model are:
1) after sleeping spiral shell solid-liquid two camera increases oil separating plate and annular space plate, more thorough to separation of oil, oil-containing in solid phase
Rate reduces further；
2) after sleeping spiral shell oil-muddy water two camera increases oil separating plate, annular space plate, light liquid annulus access, to separation of oil more
Thoroughly, muddy water middle oil content mutually reduces further, and in oil phase, moisture content, solid content reduce further；
3) after sleeping spiral shell three camera increases oil separating plate, annular space plate, heavy and light liquid passage, more thorough to separation of oil, solid phase
Middle oil content reduces further, oil content reduces further in aqueous phase, solid content, moisture content reduce further in oil phase；
4) each type input concentration scope does not the most limit, and no longer requires as conventional centrifuge to needs
The material concentration of reason keeps relative stability, and anti-concentration hop or impact are good, and this is more advanced than currently used conventional centrifuge；
5) lifting of separation efficiency, accelerates oil, water, the separating rate of solid three-phase, can improve production efficiency, save into
This；
6) efficiency can replace external high-revolving expensive centrifuge after improving, and reduces production cost, improves society
Benefit.
Accompanying drawing explanation
Fig. 1 is that first embodiment of the present utility model crouches spiral shell oil-muddy water two camera schematic cross-section；
Fig. 2 is that in Fig. 1, A is annular space plate left view；
Fig. 3 is that in Fig. 1, B is oil separating plate left view；
Fig. 4 is that the second embodiment of the present utility model crouches spiral shell solid-liquid two camera schematic cross-section；
Fig. 5 is that in Fig. 4, C is annular space plate left view；
Fig. 6 is that in Fig. 4, D is oil separating plate left view；
Fig. 7 is that the 3rd embodiment of the present utility model crouches spiral shell three camera schematic cross-section；
Fig. 8 is that in Fig. 7, E is annular space plate left view；
Fig. 9 is that in Fig. 7, F is oil separating plate left view；
Figure 10 is that in Fig. 7, N-N is major diameter end cap end light liquid mouth channel cross-section figure；
Figure 11 is that in Fig. 7, M-M is major diameter end cap end ring sky passage and ring bodies profile；
Description of reference numerals:
101-heliocentric pipe；102-rotary drum tapering point；103-rotary drum cylinder end；104-minor diameter end cap；105-major diameter
End cap；106-heavy-fluid mouth；107-light liquid mouth；108-helical blade；109-spiral-tube；110-charging aperture；111-oil separating plate；112-
Annular space plate；113-annular space plate heavy-fluid port；114-annular space plate light liquid port；115-oil separating plate heavy-fluid port；116-light liquid is ring-type
Body；117-light liquid annulus access；
201-heliocentric pipe；202-rotary drum tapering point；203-rotary drum cylinder end；204-minor diameter end cap；205-major diameter
End cap；206-solid phase mouth；207-liquid phase mouth；208-helical blade；209-spiral-tube；210-charging aperture；211-oil separating plate；212-
Annular space plate；213-annular space plate heavy-fluid port；214-annular space plate light liquid port；215-oil separating plate heavy-fluid port；
301-heliocentric pipe；302-rotary drum tapering point；303-rotary drum cylinder end；304-minor diameter end cap；305-major diameter
End cap；306-solid phase mouth；307-light liquid mouth；308-light liquid annulus access；309-heavy-fluid mouth；310-heavy-fluid annulus access；311-
Oil separating plate；312-annular space plate；313-helical blade；314-spiral-tube；315-charging aperture；316-annular space plate heavy-fluid port；317-
Annular space plate light liquid port；318-oil separating plate heavy-fluid port；319-light liquid mouth passage；320-heavy-fluid annulus access；321-heavy and light liquid
Ring bodies gap；322-heavy-fluid ring bodies；323-light liquid ring bodies；324-major diameter end cap；325-spiral-tube；326-heavy-fluid mouth
U-shaped passage；327-light liquid annulus access.
Fig. 1, Fig. 2, Fig. 3 are high direction at serpentine pipe, are low direction at the rotary drum of both sides.
Detailed description of the invention
For the technical characterstic of this programme can be clearly described, below by detailed description of the invention, this programme is illustrated.
Embodiment 1 crouches spiral shell oil-muddy water two camera
As Figure 1-3, crouching spiral shell oil-muddy water two camera for the first embodiment of this patent, in Fig. 1, A is that annular space plate 112 is left
View, in Fig. 1, B is oil separating plate 111 left view.Described oil-muddy water two-phase machine specifically includes that 101-heliocentric pipe；102-turns
Drum tapering point；103-rotary drum cylinder end；104-minor diameter end cap；105-major diameter end cap；106-heavy-fluid mouth；107-light liquid mouth；
108-helical blade；109-spiral-tube；110-charging aperture；111-oil separating plate；112-annular space plate；113-annular space plate heavy-fluid port；
114-annular space plate light liquid port；115-oil separating plate heavy-fluid port；116-light liquid ring bodies；117-light liquid annulus access.Rotary drum is bored
Shape end 102 and rotary drum cylinder end 103 collectively form rotary drum, helical blade 108 and spiral-tube 109 and collectively form spiral, and spiral sets
Rotate in rotary drum and with certain differential same-directional high-speed.
Minor diameter end cap 104 and major diameter end cap 105 are respectively arranged on the two ends of rotary drum, and major diameter end cap 105 is provided with gently
Liquid mouth 107.Heavy-fluid mouth 106, light liquid mouth 107 a little higher than heavy-fluid mouth 106 is had on rotary drum tapering point 102.Heliocentric is had in spiral-tube
Pipe 101, it has charging aperture 110, oil separating plate 111 and annular space plate 112 are arranged on spiral-tube, larger diameter end lid has light liquid ring
Shape body 116 and light liquid annulus access 117, this is also the improvements of this centrifuge, is exactly additionally that light liquid mouth 107 is higher than heavy-fluid mouth
106, these factors are key points of the present utility model.
Oil separating plate 111 described in diagram, annular space plate 112 are placed on spiral-tube 109, and position is minor diameter end cap 104 He
Between major diameter end cap 105, the plate with spiral-tube 109 centerline direction has certain angle, it is both greater than 1 millimeter with rotary drum gap,
Mutually equidistant or non-equidistant, in opposite directions or reverse monolithic or lamination, oil separating plate, every thickness of annular space plate do not limit.Outside oil separating plate 111
Enclose periphery and have the symmetrical oil separating plate heavy-fluid port 115 that quantity does not waits；Annular space plate 112 circumferential perimeter has the right of quantity not grade
The annular space plate heavy-fluid port 113 claimed, inside encloses periphery and has the symmetrical annular space plate light liquid port 114 that quantity does not waits.
Light liquid ring bodies 116 described in diagram, light liquid annulus access 117 are arranged on major diameter end cap 105, light liquid ring
Shape body 116 is ring bodies in the same direction concentric with spiral-tube 109 centrage, and light liquid annulus access is different from another directly by ring bodies
Forming annular flow-guiding channel between footpath ring bodies or spiral-tube 109 outer wall, can there be supporting construction centre.Light liquid annulus access divide from
Major diameter end cap end is derived and derives two kinds of designs at minor diameter end cap.
Material is entered in cavity by charging aperture, and owing to there is annular space plate 111 on charging aperture both sides, therefore material is limited in two annular spaces
In less space between plate, oil phase and solid phase in material are difficult to spread to both sides, the most quickly mud
Being thrown on the inwall of rotary drum cylinder end 103, oil phase encounters annular space plate 112 during both sides are spread simultaneously, and at annular space
Plate 112 surface aggregation, the work at centrifugal force is assembled with to spiral-tube 109 direction, thus is realized oil, water, solid crude separation.Water
In mutually, remaining oil droplet runs into the annular space plate of inclination in moving process and then again can be caught by annular space plate and to spiral-tube 109 side
To gathering, when oil phase runs at oil separating plate 111, owing to oil separating plate is arranged above solid slab, therefore oil phase is blocked and can not
Enter the space of oil separating plate opposite side.Assemble more oil phase by the annular space plate light liquid port 114 above annular space plate 112 to gently
Flowing at liquid mouth 107, owing to light liquid mouth 107 specific gravity liquid mouth 106 is slightly higher, and oil density is low, and the aspect ratio aqueous phase of oil phase wants high by one
A bit, therefore overflow from light liquid mouth when liquid level is higher than light liquid open height thus realize the separation of oil phase.Aqueous phase passes through annular space plate weight
Liquid port 113 and oil separating plate heavy-fluid port 115 move at heavy-fluid mouth 106, solid phase under the promotion of helical blade 108 to heavy-fluid
Mouth 106 flowing, owing to heavy-fluid mouth 106 is less than light liquid mouth 107, Gu Shui and solid phase are discharged from heavy-fluid mouth 106.Thus achieve oil
Separate from solid phase, aqueous phase.The height ratio of heavy-fluid mouth 106 and light liquid mouth 107 is according to oil phase and the density contrast of aqueous phase
Depending on.
Oil phase can be separated from water solid phase by the centrifuge after this improvement, and the annular space plate 112 increased is permissible
Play the function of trapping dispersed oil, greatly increase the separating power of oil phase in mixed material, due to the existence of oil separating plate 111
Making oil phase can not meet with the solid water after separating thus avoid the secondary pollution after separating, this is that conventional centrifuge is not accomplished
Place, this just further reduce solid water mutually in oil content, make separating effect more thorough.
(1) mixed phase solid for profit can be separated into oil phase and muddy water phase two parts by the centrifuge after this improvement；(2) increase
The annular space plate 112 added can play the function of trapping dispersed oil, greatly increases the separating power of oil phase in mixed material, greatly
Reduce greatly the probability that oil phase sticks in solid phase and is mixed in aqueous phase, thus reduce the oil content of solid phase and the oil-containing of aqueous phase
Rate；(3) due to the existence of oil separating plate 111 makes oil phase can not meet with the solid phase after separating and aqueous phase thus avoid separate after solid
Phase, aqueous phase are by the secondary pollution of oil phase, the oil content during the most relatively conventional centrifuge reduces solid phase；(4) oil, water termination are
Automatically adjust, it is not necessary to regulation enters each concentration of the material of centrifuge, the restricted fluctuation of concentration little, anti-of concentration to pan feeding
Property big, this just further reduces after process the content of oil in solid phase, aqueous phase, makes separating effect more thorough.
Embodiment 2 crouches spiral shell solid-liquid two camera
As Figure 4-Figure 6, crouching spiral shell solid-liquid two camera for the second embodiment of this patent, in Fig. 2, C is annular space plate 212 left view
Figure, in Fig. 2, D is oil separating plate 211 left view.Described solid-liquid two-phase machine specifically includes that 201-heliocentric pipe；202-rotary drum taper
End；203-rotary drum cylinder end；204-minor diameter end cap；205-major diameter end cap；206-solid phase mouth；207-liquid phase mouth；208-spiral shell
Vane sheet；209-spiral-tube；210-charging aperture；211-oil separating plate；212-annular space plate；213-annular space plate heavy-fluid port；214-ring
Hollow plate light liquid port；215-oil separating plate heavy-fluid port etc..Rotary drum tapering point 202 and rotary drum cylinder end 203 collectively form rotary drum, spiral shell
Vane sheet 208 and spiral-tube 209 collectively form spiral, rotate in rotary drum is located at by spiral and with certain differential same-directional high-speed.
Minor diameter end cap 204 and major diameter end cap 205 are respectively arranged on the two ends of rotary drum, and major diameter end cap 205 is provided with liquid
Mouth 207 mutually.Having solid phase mouth 206 on rotary drum tapering point 202, liquid phase mouth 207 is less than solid phase mouth 206.Heliocentric is had in spiral-tube 209
Pipe 201, it has charging aperture 210, oil separating plate 211 and annular space plate 212 are arranged on spiral-tube 209, and this is also this centrifuge
Improvements, are key points of the present utility model, and additionally solid phase mouth is higher than liquid phase mouth.
Oil separating plate 211 described in diagram, annular space plate 212 are placed on spiral-tube 209, and position is minor diameter end cap 204 He
Between major diameter end cap 205, the plate with spiral-tube 209 centerline direction has certain angle, it is both greater than 1 millimeter with rotary drum gap,
Mutually equidistant or non-equidistant, in opposite directions or reverse monolithic or lamination, oil separating plate 211, every thickness of annular space plate 212 do not limit.Oil removal
Plate 211 circumferential perimeter has the symmetrical oil separating plate heavy-fluid port 215 that quantity does not waits；Annular space plate 212 circumferential perimeter has quantity
The symmetrical annular space plate heavy-fluid port 213 not waited, inside encloses periphery and has the symmetrical annular space plate light liquid port 214 that quantity does not waits.
Material is entered in cavity by charging aperture, and owing to there is annular space plate 211 on charging aperture both sides, therefore material is limited in two annular spaces
In less space between plate, oil phase and solid phase in material are difficult to spread to both sides, the most quickly mud
Being thrown on the inwall of rotary drum cylinder end, oil phase encounters annular space plate during both sides are spread simultaneously, and on annular space plate surface
Assembling, the work at centrifugal force is assembled with to spiral-tube 209 direction, thus realizes oil, water, solid crude separation.Aqueous phase remains
Oil droplet in moving process, run into the annular space plate of inclination then can again be caught by annular space plate and assemble to spiral-tube 209 direction,
When oil phase runs at oil separating plate 211, owing to oil separating plate is arranged above solid slab, therefore oil phase is blocked and can not be entered oil removal
The space of plate opposite side.Assemble more oil phase by the annular space plate light liquid port 214 above annular space plate 212 to liquid phase mouth 207
Place's flowing, therefrom overflows when liquid level is higher than liquid phase mouth 207 height.Aqueous phase passes through annular space plate heavy-fluid port 213 and oil separating plate weight
Liquid port 215 is to two side shiftings, owing to liquid phase mouth 207 relatively solid phase mouth 206 is low, therefore when aqueous phase liquid level exceedes the height of liquid phase mouth 207
The most therefrom overflow when spending.Solid phase moves to solid phase mouth 206 under the promotion of helical blade 208, owing to solid phase mouth 206 is higher than liquid phase
Mouth 207, solid phase is discharged from solid phase mouth 206 after being spirally pushed out the water surface.Thus achieve solid phase from profit mutually separate.
Solid phase mouth is higher than liquid phase mouth, and the moisture content of its solid phase the highest is the lowest, also has the mistake of a drying dehydration after releasing liquid level
Journey, this need to be designed according to specific needs.
(1) mixed phase solid for profit can be separated into solid phase and profit liquid phase two parts by the centrifuge after this improvement；(2)
The annular space plate 212 increased can play the function of trapping dispersed oil, greatly increases the separating power of oil phase in mixed material,
Greatly reduce the probability that oil phase sticks in solid phase, thus reduce the oil content of solid phase；(3) depositing due to oil separating plate 211
Make oil phase can not with separate after met by the solid phase of oil separating plate 211 solid phase mouth side thus avoid separate after solid phase oily
The secondary pollution of phase, the oil content during the most relatively conventional centrifuge reduces solid phase；(4) oil, water termination are automatically to adjust,
Need not each concentration that regulation enters the material of centrifuge, big to the restricted fluctuation of concentration little, anti-of concentration of pan feeding, this is the most more
Reduce further after process the content of oil in solid phase, make separating effect more thorough；
Embodiment 3 crouches spiral shell three camera
As illustrated in figures 7-11, crouching spiral shell three camera schematic cross-section for the 3rd embodiment of the present utility model, in Fig. 3, E is ring
Hollow plate 312 left view, in Fig. 3, F is oil separating plate 311 left view, and in Fig. 3, N-N is that major diameter end cap end light liquid mouth passage 319 cuts open
Face, in Fig. 3, M-M is major diameter end cap end ring sky passage 308,320 and ring bodies 322,323 section.Described three-phase owner wants
Including: 301-heliocentric pipe；302-rotary drum tapering point；303-rotary drum cylinder end；304-minor diameter end cap；305-larger diameter end
Lid；306-solid phase mouth；307-light liquid mouth；308-light liquid annulus access；309-heavy-fluid mouth；310-heavy-fluid annulus access；311-every
Oiled-plate method；312-annular space plate；313-helical blade；314-spiral-tube；315-charging aperture；316-annular space plate heavy-fluid port；317-ring
Hollow plate light liquid port；318-oil separating plate heavy-fluid port；319-light liquid mouth passage；320-heavy-fluid annulus access；321-heavy and light pendular ring
Shape body space；322-heavy-fluid ring bodies；323-light liquid ring bodies；324-major diameter end cap；325-spiral-tube；326-heavy-fluid mouth U
Type passage；327-light liquid annulus access.Rotary drum tapering point 302 and rotary drum cylinder end 303 collectively form rotary drum, helical blade 313
Collectively form spiral with spiral-tube 314, rotate in rotary drum is located at by spiral and with certain differential same-directional high-speed.
Minor diameter end cap 304 and major diameter end cap 305 are respectively arranged on the two ends of rotary drum, and rotary drum tapering point 302 has solid phase
Mouthfuls 306, major diameter end cap 305 be provided with light liquid mouth 307, heavy-fluid mouth 309, light liquid mouth passage 319, the U-shaped passage of heavy-fluid mouth 326,
Heavy-fluid ring bodies 322, light liquid ring bodies 323.The U-shaped passage of heavy-fluid mouth 326 connects with heavy-fluid mouth 309, heavy-fluid annulus access 320,
Less than solid phase mouth 306 at heavy-fluid mouth U-shaped passage 326 maximum height, light liquid mouth 307 is higher than heavy-fluid mouth U-shaped passage 326 maximum height
Place.There is heliocentric pipe 301 in spiral-tube 314, it has charging aperture 315, oil separating plate 311 and annular space plate 312 are arranged in spiral-tube
On 314.Be connected with light liquid mouth 307 is light liquid mouth passage 319, light liquid annulus access 308；It is connected with heavy-fluid mouth 309
The U-shaped passage of heavy-fluid mouth 326, heavy-fluid annulus access 310, light liquid be by light liquid annulus access 308 after light liquid mouth passage 319
Discharge machine from light liquid mouth 307；Heavy-fluid be by heavy-fluid annulus access 310 after the U-shaped passage of heavy-fluid mouth 326 from heavy-fluid mouth 309
And outside discharge machine.Oil separating plate 311, annular space plate 312, annulus access 308 and 310, the U-shaped passage of heavy-fluid mouth 326, light liquid mouth passage
319 etc. is the improvements of this centrifuge, is key point of the present utility model, the additionally highest point of the U-shaped passage of heavy-fluid mouth 326
Less than solid phase mouth 206, also below light liquid mouth 307.
Oil separating plate 311 described in diagram, annular space plate 312 are placed on spiral-tube, and position is straight with big at minor diameter end cap 304
Between footpath end cap 305, with the plate that spiral-tube centerline direction has certain angle, it is both greater than 1 millimeter with rotary drum gap, the most equidistantly
Or non-equidistant, in opposite directions or reverse monolithic or lamination, oil separating plate, every thickness of annular space plate do not limit.Oil separating plate 311 circumferential perimeter is opened
There is the symmetrical oil separating plate heavy-fluid port 318 that quantity does not waits；Annular space plate 312 circumferential perimeter has the symmetrical annular space that quantity does not waits
Plate heavy-fluid port 316, inside encloses periphery and has the symmetrical annular space plate light liquid port 317 that quantity does not waits.
Light liquid mouth 307 described in diagram, light liquid mouth passage 319, light liquid annulus access 308, heavy-fluid mouth 309, heavy-fluid ring
Empty passage 310, the U-shaped passage of heavy-fluid mouth 326, heavy-fluid ring bodies 322, light liquid ring bodies 323 are positioned on major diameter end cap 305.With
What light liquid mouth 307 was connected is light liquid mouth passage 319, light liquid annulus access 308；That be connected with heavy-fluid mouth 309 is heavy-fluid mouth U
Type passage 326, heavy-fluid annulus access 310.Light liquid annulus access 308 is that light liquid ring bodies 323 constitutes ring with spiral-tube 314 outer wall
Shape passage, heavy-fluid annulus access 310 is the inwall composition circular passage of heavy-fluid ring bodies 322 and rotary drum cylinder end 303.
Material is entered in cavity by charging aperture, and owing to there is annular space plate 311 on charging aperture both sides, therefore material is limited in two annular spaces
In less space between plate, oil phase and solid phase in material are difficult to spread to both sides, the most solid
Be thrown to mutually on the inwall of rotary drum cylinder end, simultaneously oil phase to both sides spread during a part under the influence of centrifugal force to
Upper motion, another part encounters annular space plate, and at annular space plate surface aggregation, the work at centrifugal force is used to spiral-tube 314 direction
Assembling, profit solid phase is progressively divided into three layers, thus realizes oil, water, solid crude separation.In aqueous phase, remaining oil droplet is at moving process
In run into the annular space plate of inclination and then can again be caught by annular space plate and assemble to spiral-tube 314 direction, when oil phase runs to oil removal
Time at plate 311, owing to oil separating plate is arranged above solid slab, therefore oil phase is blocked and can not be entered the space of oil separating plate opposite side.
Oil phase is constantly accumulated at top, and when reaching the height of light liquid annulus access 308, light liquid mouth 307, oil flows out from light liquid mouth 307
Outer row, it is achieved the separation of oil phase.
Aqueous phase through annular space plate heavy-fluid port 316 and oil separating plate heavy-fluid port 318 to two side shiftings, owing to heavy-fluid mouth is U-shaped
The highest point of passage 326 is lower than solid phase mouth 306, light liquid mouth 307, and aqueous phase initially enters heavy-fluid annulus access 310, when aqueous phase liquid level
When accumulating the highest point to the U-shaped passage of heavy-fluid mouth 326, aqueous phase can overflow from heavy-fluid mouth 309, it is achieved the separation of aqueous phase.
Solid phase flows to solid phase mouth 306 under the promotion of helical blade 313, owing to solid phase mouth 306 is U-shaped higher than heavy-fluid mouth logical
The highest point in road 326, solid phase is discharged from solid phase mouth 306 after being spirally pushed out the water surface.Thus achieve solid phase from profit mutually
Separate.The moisture content of solid phase mouth its solid phase the highest is the lowest, also has the process of a drying dehydration after releasing liquid level,
This need to be designed according to specific needs.
(1) mixed phase solid for profit can be separated into oil, water, solid independent phase by the centrifuge after this improvement；(2) increase
Annular space plate 312 can play trapping dispersed oil function, greatly increase the separating power of oil phase in mixed material, significantly
Reduce the oil content in aqueous phase and solid phase；(3) make solid phase release can not during liquid level due to the existence of oil separating plate 311
After meeting with oil phase thus avoiding separation, solid phase is by the secondary pollution of oil phase, and this is the place that relatively conventional centrifuge improves, and enters
One step reduces the oil content in solid phase；(4) oil, water termination are automatically to adjust, it is not necessary to regulation enters the material of centrifuge
Each concentration, big to the restricted fluctuation of concentration little, anti-of concentration of pan feeding, this contains in solid phase after just further reducing process
Oil rate, makes separating effect more thorough, and this is the place that conventional centrifuge is not accomplished；(5) design of annulus access make oil phase and
Aqueous phase respectively mixes mutually, solves the oil that turbulent flow causes to greatest extent and is mixed into water and water is mixed into the problem of oil phase, maintains mutually
Cleanliness factor, further improve respective purity.
This utility model can pass through or use prior art to realize without the technical characteristic described, and does not repeats them here,
Certainly, described above is not to restriction of the present utility model, and this utility model is also not limited to the example above, and this technology is led
Change that the those of ordinary skill in territory is made in essential scope of the present utility model, retrofit, add or replace, also should belong to
Protection domain of the present utility model.
Claims (9)
1. a horizontal screw centrifuge, main structure includes spiral, rotary drum, major diameter end cap, minor diameter end cap, solid phase mouth, liquid phase mouth；
Rotary drum is made up of taper round end and cylindrical shape round end two parts, and cylindrical shape round end is pure straight cylinder or has certain taper circle
Cylinder, is closed by major diameter end cap；Smaller diameter end is rotary drum taper round end, minor diameter end cap close, and tapering point is arranged above with
There is solid phase mouth；Larger diameter end is rotary drum cylindrical shape round end, major diameter end cap close, and end cap is arranged above with liquid phase mouth；Spiral
Being made up of with helical blade spiral-tube, helical blade is hollow or solid construction, and spiral-tube is provided with charging aperture, and its feature exists
In,
Described spiral-tube barrel near described minor diameter end cap is provided with has a clamp with described spiral-tube centerline direction
Solid or the hollow at angle or oil separating plate with holes, the outer edge of described oil separating plate and described rotary drum be provided with for heavy-fluid pass through every
Oiled-plate method heavy-fluid port；
It is provided with near the described spiral-tube barrel of described major diameter end cap, with spiral-tube centrage, there is the hollow of certain angle
Or annular space plate with holes, the inner side edge of described annular space plate is provided with the annular space plate light liquid port passed through for light liquid, described annular space plate
Outer side edges along being provided with the annular space plate heavy-fluid port passed through for heavy-fluid；
Described oil separating plate and described annular space plate are integrated with described spiral-tube respectively.
Horizontal screw centrifuge the most according to claim 1, it is characterised in that described oil separating plate is solid or hollow or with holes
Formboard or the hollow sheeting of band wall；Described annular space plate is formboard with holes or is hollow sheeting with holes on inside and outside wall.
Horizontal screw centrifuge the most according to claim 1, it is characterised in that described oil separating plate heavy-fluid port, described annular space plate
The single hole area of light liquid port and described annular space plate heavy-fluid port is more than 1mm2。
Horizontal screw centrifuge the most according to claim 1, it is characterised in that the diameter at rotary drum parts residing for liquid phase mouth is less than
Diameter at rotary drum parts residing for solid phase mouth.
5. a horizontal screw centrifuge, main structure includes spiral, rotary drum, major diameter end cap, minor diameter end cap, light liquid mouth, heavy-fluid mouth；
Rotary drum is made up of taper round end and cylindrical shape round end two parts, and cylindrical shape round end is pure straight cylinder or has certain taper circle
Cylinder, is closed by major diameter end cap；Smaller diameter end is rotary drum taper round end, minor diameter end cap close, and tapering point is arranged above with
There is heavy-fluid mouth；Larger diameter end is rotary drum cylindrical shape round end, major diameter end cap close, and end cap is arranged above with light liquid mouth；Spiral
Being made up of with helical blade spiral-tube, helical blade is hollow or solid construction, and spiral-tube is provided with charging aperture, and its feature exists
In,
Described spiral-tube barrel near described minor diameter end cap is provided with has a clamp with described spiral-tube centerline direction
Solid or the hollow at angle or oil separating plate with holes, the outer edge of described oil separating plate and described rotary drum be provided with for heavy-fluid pass through every
Oiled-plate method heavy-fluid port；
It is provided with near the described spiral-tube barrel of described major diameter end cap, with spiral-tube centrage, there is the hollow of certain angle
Or annular space plate with holes, the inner side edge of described annular space plate is provided with the annular space plate light liquid port passed through for light liquid, described annular space plate
Outer side edges along being provided with the annular space plate heavy-fluid port passed through for heavy-fluid；
Described oil separating plate and described annular space plate are integrated with described spiral-tube respectively；
Being provided with ring bodies in the same direction concentric with described spiral-tube centrage on described larger diameter end lid, described ring bodies is with described
Spiral-tube outer wall constitutes annular light liquid flow-guiding channel.
Horizontal screw centrifuge the most according to claim 5, it is characterised in that described ring bodies and described major diameter end cap are one
Body.
Horizontal screw centrifuge the most according to claim 5, it is characterised in that the diameter at rotary drum parts residing for light liquid mouth is less than
Diameter at rotary drum parts residing for heavy-fluid mouth.
8. a horizontal screw centrifuge, main structure includes spiral, rotary drum, major diameter end cap, minor diameter end cap, light liquid mouth, heavy-fluid mouth
With solid phase mouth；Rotary drum is made up of taper round end and cylindrical shape round end two parts, and cylindrical shape round end is pure straight cylinder or has
Certain taper cylinder, is closed by major diameter end cap；Smaller diameter end is rotary drum taper round end, minor diameter end cap close, taper
End is provided above with solid phase mouth；Larger diameter end is rotary drum cylindrical shape round end, major diameter end cap close, and end cap is arranged above with gently
Liquid mouth and heavy-fluid mouth, light liquid mouth is arranged at described major diameter end cap end；Spiral is made up of with helical blade spiral-tube, helical-blade
Sheet is hollow or solid construction, and spiral-tube is provided with charging aperture, it is characterised in that
Described spiral-tube barrel near described minor diameter end cap is provided with has a clamp with described spiral-tube centerline direction
Solid or the hollow at angle or oil separating plate with holes, the outer edge of described oil separating plate is provided with the oil separating plate heavy-fluid passed through for heavy-fluid and leads to
Mouthful；
It is provided with near the described spiral-tube barrel of described major diameter end cap, with spiral-tube centrage, there is the hollow of certain angle
Or annular space plate with holes, the inner side edge of described annular space plate is provided with the annular space plate light liquid port passed through for light liquid, described annular space plate
Outer side edges along being provided with the annular space plate heavy-fluid port passed through for heavy-fluid；
Described oil separating plate and described annular space plate are integrated with described spiral-tube respectively；
Being provided with light liquid ring bodies in the same direction concentric with described spiral-tube centrage on described larger diameter end lid, described light liquid is ring-type
Body and spiral-tube outer wall constitute annular light liquid flow-guiding channel；
Being provided with heavy-fluid ring bodies in the same direction concentric with described spiral-tube centrage on described larger diameter end lid, described heavy-fluid is ring-type
Body and described rotary drum cylinder end form heavy-fluid annulus access, and described heavy-fluid ring bodies is U-shaped with described heavy-fluid interruption-forming heavy-fluid mouth logical
Road；
Described heavy-fluid mouth, light liquid mouth are arranged at side, described major diameter end cap end.
Horizontal screw centrifuge the most according to claim 8, it is characterised in that the diameter at rotary drum parts residing for described heavy-fluid mouth
More than the diameter at rotary drum parts residing for described solid phase mouth, the diameter at rotary drum parts residing for described solid phase mouth is more than described light liquid
Diameter at rotary drum parts residing for mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620868361.2U CN205868566U (en) | 2016-08-11 | 2016-08-11 | Decanter centrifuge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620868361.2U CN205868566U (en) | 2016-08-11 | 2016-08-11 | Decanter centrifuge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11660614B2 (en) | 2019-05-16 | 2023-05-30 | Alfa Laval Corporate Ab | Heavy phase liquid discharge element for a centrifugal separator, centrifugal separator and method for separating two liquid phases |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11660614B2 (en) | 2019-05-16 | 2023-05-30 | Alfa Laval Corporate Ab | Heavy phase liquid discharge element for a centrifugal separator, centrifugal separator and method for separating two liquid phases |
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Granted publication date: 20170111 Termination date: 20210811 |